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authoripknHama <ipknhama@gmail.com>2017-09-18 05:15:41 +0900
committeripknHama <ipknhama@gmail.com>2017-09-18 05:15:41 +0900
commit274aad86e77c35072b4287f08213990cca9a14e8 (patch)
tree16cb359dcb8797a245b09b63915abdf187c92d2d
parent7560f329c90fe3d9777ad41cdcbb94b1a67986b8 (diff)
downloadcrow-274aad86e77c35072b4287f08213990cca9a14e8.tar.gz
crow-274aad86e77c35072b4287f08213990cca9a14e8.zip
Remove amalgamation result (`crow_all.h`) from the repository
Diffstat
-rw-r--r--CMakeLists.txt2
-rw-r--r--amalgamate/crow_all.h9662
-rw-r--r--examples/CMakeLists.txt1
3 files changed, 2 insertions, 9663 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4afc7cf..40d53f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,7 +64,7 @@ else()
COMMAND python ${PROJECT_SOURCE_DIR}/amalgamate/merge_all.py ${PROJECT_SOURCE_DIR}/include
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/amalgamate/crow_all.h ${PROJECT_SOURCE_DIR}/amalgamate
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/amalgamate
- DEPENDS ${PROJECT_SOURCE_DIR}/include/*.h
+ DEPENDS ${PROJECT_SOURCE_DIR}/include/*.h ${PROJECT_SOURCE_DIR}/include/crow/*.h
)
add_custom_target(amalgamation ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/amalgamate/crow_all.h)
diff --git a/amalgamate/crow_all.h b/amalgamate/crow_all.h
deleted file mode 100644
index 0c88e5d..0000000
--- a/amalgamate/crow_all.h
+++ /dev/null
@@ -1,9662 +0,0 @@
-/*
- *
- * TinySHA1 - a header only implementation of the SHA1 algorithm in C++. Based
- * on the implementation in boost::uuid::details.
- *
- * SHA1 Wikipedia Page: http://en.wikipedia.org/wiki/SHA-1
- *
- * Copyright (c) 2012-22 SAURAV MOHAPATRA <mohaps@gmail.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-#ifndef _TINY_SHA1_HPP_
-#define _TINY_SHA1_HPP_
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <stdint.h>
-namespace sha1
-{
- class SHA1
- {
- public:
- typedef uint32_t digest32_t[5];
- typedef uint8_t digest8_t[20];
- inline static uint32_t LeftRotate(uint32_t value, size_t count) {
- return (value << count) ^ (value >> (32-count));
- }
- SHA1(){ reset(); }
- virtual ~SHA1() {}
- SHA1(const SHA1& s) { *this = s; }
- const SHA1& operator = (const SHA1& s) {
- memcpy(m_digest, s.m_digest, 5 * sizeof(uint32_t));
- memcpy(m_block, s.m_block, 64);
- m_blockByteIndex = s.m_blockByteIndex;
- m_byteCount = s.m_byteCount;
- return *this;
- }
- SHA1& reset() {
- m_digest[0] = 0x67452301;
- m_digest[1] = 0xEFCDAB89;
- m_digest[2] = 0x98BADCFE;
- m_digest[3] = 0x10325476;
- m_digest[4] = 0xC3D2E1F0;
- m_blockByteIndex = 0;
- m_byteCount = 0;
- return *this;
- }
- SHA1& processByte(uint8_t octet) {
- this->m_block[this->m_blockByteIndex++] = octet;
- ++this->m_byteCount;
- if(m_blockByteIndex == 64) {
- this->m_blockByteIndex = 0;
- processBlock();
- }
- return *this;
- }
- SHA1& processBlock(const void* const start, const void* const end) {
- const uint8_t* begin = static_cast<const uint8_t*>(start);
- const uint8_t* finish = static_cast<const uint8_t*>(end);
- while(begin != finish) {
- processByte(*begin);
- begin++;
- }
- return *this;
- }
- SHA1& processBytes(const void* const data, size_t len) {
- const uint8_t* block = static_cast<const uint8_t*>(data);
- processBlock(block, block + len);
- return *this;
- }
- const uint32_t* getDigest(digest32_t digest) {
- size_t bitCount = this->m_byteCount * 8;
- processByte(0x80);
- if (this->m_blockByteIndex > 56) {
- while (m_blockByteIndex != 0) {
- processByte(0);
- }
- while (m_blockByteIndex < 56) {
- processByte(0);
- }
- } else {
- while (m_blockByteIndex < 56) {
- processByte(0);
- }
- }
- processByte(0);
- processByte(0);
- processByte(0);
- processByte(0);
- processByte( static_cast<unsigned char>((bitCount>>24) & 0xFF));
- processByte( static_cast<unsigned char>((bitCount>>16) & 0xFF));
- processByte( static_cast<unsigned char>((bitCount>>8 ) & 0xFF));
- processByte( static_cast<unsigned char>((bitCount) & 0xFF));
-
- memcpy(digest, m_digest, 5 * sizeof(uint32_t));
- return digest;
- }
- const uint8_t* getDigestBytes(digest8_t digest) {
- digest32_t d32;
- getDigest(d32);
- size_t di = 0;
- digest[di++] = ((d32[0] >> 24) & 0xFF);
- digest[di++] = ((d32[0] >> 16) & 0xFF);
- digest[di++] = ((d32[0] >> 8) & 0xFF);
- digest[di++] = ((d32[0]) & 0xFF);
-
- digest[di++] = ((d32[1] >> 24) & 0xFF);
- digest[di++] = ((d32[1] >> 16) & 0xFF);
- digest[di++] = ((d32[1] >> 8) & 0xFF);
- digest[di++] = ((d32[1]) & 0xFF);
-
- digest[di++] = ((d32[2] >> 24) & 0xFF);
- digest[di++] = ((d32[2] >> 16) & 0xFF);
- digest[di++] = ((d32[2] >> 8) & 0xFF);
- digest[di++] = ((d32[2]) & 0xFF);
-
- digest[di++] = ((d32[3] >> 24) & 0xFF);
- digest[di++] = ((d32[3] >> 16) & 0xFF);
- digest[di++] = ((d32[3] >> 8) & 0xFF);
- digest[di++] = ((d32[3]) & 0xFF);
-
- digest[di++] = ((d32[4] >> 24) & 0xFF);
- digest[di++] = ((d32[4] >> 16) & 0xFF);
- digest[di++] = ((d32[4] >> 8) & 0xFF);
- digest[di++] = ((d32[4]) & 0xFF);
- return digest;
- }
-
- protected:
- void processBlock() {
- uint32_t w[80];
- for (size_t i = 0; i < 16; i++) {
- w[i] = (m_block[i*4 + 0] << 24);
- w[i] |= (m_block[i*4 + 1] << 16);
- w[i] |= (m_block[i*4 + 2] << 8);
- w[i] |= (m_block[i*4 + 3]);
- }
- for (size_t i = 16; i < 80; i++) {
- w[i] = LeftRotate((w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16]), 1);
- }
-
- uint32_t a = m_digest[0];
- uint32_t b = m_digest[1];
- uint32_t c = m_digest[2];
- uint32_t d = m_digest[3];
- uint32_t e = m_digest[4];
-
- for (std::size_t i=0; i<80; ++i) {
- uint32_t f = 0;
- uint32_t k = 0;
-
- if (i<20) {
- f = (b & c) | (~b & d);
- k = 0x5A827999;
- } else if (i<40) {
- f = b ^ c ^ d;
- k = 0x6ED9EBA1;
- } else if (i<60) {
- f = (b & c) | (b & d) | (c & d);
- k = 0x8F1BBCDC;
- } else {
- f = b ^ c ^ d;
- k = 0xCA62C1D6;
- }
- uint32_t temp = LeftRotate(a, 5) + f + e + k + w[i];
- e = d;
- d = c;
- c = LeftRotate(b, 30);
- b = a;
- a = temp;
- }
-
- m_digest[0] += a;
- m_digest[1] += b;
- m_digest[2] += c;
- m_digest[3] += d;
- m_digest[4] += e;
- }
- private:
- digest32_t m_digest;
- uint8_t m_block[64];
- size_t m_blockByteIndex;
- size_t m_byteCount;
- };
-}
-#endif
-
-
-
-#pragma once
-// settings for crow
-// TODO - replace with runtime config. libucl?
-
-/* #ifdef - enables debug mode */
-#define CROW_ENABLE_DEBUG
-
-/* #ifdef - enables logging */
-#define CROW_ENABLE_LOGGING
-
-/* #ifdef - enables ssl */
-//#define CROW_ENABLE_SSL
-
-/* #define - specifies log level */
-/*
- Debug = 0
- Info = 1
- Warning = 2
- Error = 3
- Critical = 4
-
- default to INFO
-*/
-#define CROW_LOG_LEVEL 1
-
-
-// compiler flags
-#if __cplusplus >= 201402L
-#define CROW_CAN_USE_CPP14
-#endif
-
-#if defined(_MSC_VER)
-#if _MSC_VER < 1900
-#define CROW_MSVC_WORKAROUND
-#define constexpr const
-#define noexcept throw()
-#endif
-#endif
-
-
-
-#pragma once
-
-#include <cstdint>
-#include <stdexcept>
-#include <tuple>
-#include <type_traits>
-#include <cstring>
-#include <functional>
-#include <string>
-
-
-
-
-namespace crow
-{
- namespace black_magic
- {
-#ifndef CROW_MSVC_WORKAROUND
- struct OutOfRange
- {
- OutOfRange(unsigned /*pos*/, unsigned /*length*/) {}
- };
- constexpr unsigned requires_in_range( unsigned i, unsigned len )
- {
- return i >= len ? throw OutOfRange(i, len) : i;
- }
-
- class const_str
- {
- const char * const begin_;
- unsigned size_;
-
- public:
- template< unsigned N >
- constexpr const_str( const char(&arr)[N] ) : begin_(arr), size_(N - 1) {
- static_assert( N >= 1, "not a string literal");
- }
- constexpr char operator[]( unsigned i ) const {
- return requires_in_range(i, size_), begin_[i];
- }
-
- constexpr operator const char *() const {
- return begin_;
- }
-
- constexpr const char* begin() const { return begin_; }
- constexpr const char* end() const { return begin_ + size_; }
-
- constexpr unsigned size() const {
- return size_;
- }
- };
-
- constexpr unsigned find_closing_tag(const_str s, unsigned p)
- {
- return s[p] == '>' ? p : find_closing_tag(s, p+1);
- }
-
- constexpr bool is_valid(const_str s, unsigned i = 0, int f = 0)
- {
- return
- i == s.size()
- ? f == 0 :
- f < 0 || f >= 2
- ? false :
- s[i] == '<'
- ? is_valid(s, i+1, f+1) :
- s[i] == '>'
- ? is_valid(s, i+1, f-1) :
- is_valid(s, i+1, f);
- }
-
- constexpr bool is_equ_p(const char* a, const char* b, unsigned n)
- {
- return
- *a == 0 && *b == 0 && n == 0
- ? true :
- (*a == 0 || *b == 0)
- ? false :
- n == 0
- ? true :
- *a != *b
- ? false :
- is_equ_p(a+1, b+1, n-1);
- }
-
- constexpr bool is_equ_n(const_str a, unsigned ai, const_str b, unsigned bi, unsigned n)
- {
- return
- ai + n > a.size() || bi + n > b.size()
- ? false :
- n == 0
- ? true :
- a[ai] != b[bi]
- ? false :
- is_equ_n(a,ai+1,b,bi+1,n-1);
- }
-
- constexpr bool is_int(const_str s, unsigned i)
- {
- return is_equ_n(s, i, "<int>", 0, 5);
- }
-
- constexpr bool is_uint(const_str s, unsigned i)
- {
- return is_equ_n(s, i, "<uint>", 0, 6);
- }
-
- constexpr bool is_float(const_str s, unsigned i)
- {
- return is_equ_n(s, i, "<float>", 0, 7) ||
- is_equ_n(s, i, "<double>", 0, 8);
- }
-
- constexpr bool is_str(const_str s, unsigned i)
- {
- return is_equ_n(s, i, "<str>", 0, 5) ||
- is_equ_n(s, i, "<string>", 0, 8);
- }
-
- constexpr bool is_path(const_str s, unsigned i)
- {
- return is_equ_n(s, i, "<path>", 0, 6);
- }
-#endif
- template <typename T>
- struct parameter_tag
- {
- static const int value = 0;
- };
-#define CROW_INTERNAL_PARAMETER_TAG(t, i) \
-template <> \
-struct parameter_tag<t> \
-{ \
- static const int value = i; \
-}
- CROW_INTERNAL_PARAMETER_TAG(int, 1);
- CROW_INTERNAL_PARAMETER_TAG(char, 1);
- CROW_INTERNAL_PARAMETER_TAG(short, 1);
- CROW_INTERNAL_PARAMETER_TAG(long, 1);
- CROW_INTERNAL_PARAMETER_TAG(long long, 1);
- CROW_INTERNAL_PARAMETER_TAG(unsigned int, 2);
- CROW_INTERNAL_PARAMETER_TAG(unsigned char, 2);
- CROW_INTERNAL_PARAMETER_TAG(unsigned short, 2);
- CROW_INTERNAL_PARAMETER_TAG(unsigned long, 2);
- CROW_INTERNAL_PARAMETER_TAG(unsigned long long, 2);
- CROW_INTERNAL_PARAMETER_TAG(double, 3);
- CROW_INTERNAL_PARAMETER_TAG(std::string, 4);
-#undef CROW_INTERNAL_PARAMETER_TAG
- template <typename ... Args>
- struct compute_parameter_tag_from_args_list;
-
- template <>
- struct compute_parameter_tag_from_args_list<>
- {
- static const int value = 0;
- };
-
- template <typename Arg, typename ... Args>
- struct compute_parameter_tag_from_args_list<Arg, Args...>
- {
- static const int sub_value =
- compute_parameter_tag_from_args_list<Args...>::value;
- static const int value =
- parameter_tag<typename std::decay<Arg>::type>::value
- ? sub_value* 6 + parameter_tag<typename std::decay<Arg>::type>::value
- : sub_value;
- };
-
- static inline bool is_parameter_tag_compatible(uint64_t a, uint64_t b)
- {
- if (a == 0)
- return b == 0;
- if (b == 0)
- return a == 0;
- int sa = a%6;
- int sb = a%6;
- if (sa == 5) sa = 4;
- if (sb == 5) sb = 4;
- if (sa != sb)
- return false;
- return is_parameter_tag_compatible(a/6, b/6);
- }
-
- static inline unsigned find_closing_tag_runtime(const char* s, unsigned p)
- {
- return
- s[p] == 0
- ? throw std::runtime_error("unmatched tag <") :
- s[p] == '>'
- ? p : find_closing_tag_runtime(s, p + 1);
- }
-
- static inline uint64_t get_parameter_tag_runtime(const char* s, unsigned p = 0)
- {
- return
- s[p] == 0
- ? 0 :
- s[p] == '<' ? (
- std::strncmp(s+p, "<int>", 5) == 0
- ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 1 :
- std::strncmp(s+p, "<uint>", 6) == 0
- ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 2 :
- (std::strncmp(s+p, "<float>", 7) == 0 ||
- std::strncmp(s+p, "<double>", 8) == 0)
- ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 3 :
- (std::strncmp(s+p, "<str>", 5) == 0 ||
- std::strncmp(s+p, "<string>", 8) == 0)
- ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 4 :
- std::strncmp(s+p, "<path>", 6) == 0
- ? get_parameter_tag_runtime(s, find_closing_tag_runtime(s, p)) * 6 + 5 :
- throw std::runtime_error("invalid parameter type")
- ) :
- get_parameter_tag_runtime(s, p+1);
- }
-#ifndef CROW_MSVC_WORKAROUND
- constexpr uint64_t get_parameter_tag(const_str s, unsigned p = 0)
- {
- return
- p == s.size()
- ? 0 :
- s[p] == '<' ? (
- is_int(s, p)
- ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 1 :
- is_uint(s, p)
- ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 2 :
- is_float(s, p)
- ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 3 :
- is_str(s, p)
- ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 4 :
- is_path(s, p)
- ? get_parameter_tag(s, find_closing_tag(s, p)) * 6 + 5 :
- throw std::runtime_error("invalid parameter type")
- ) :
- get_parameter_tag(s, p+1);
- }
-#endif
-
- template <typename ... T>
- struct S
- {
- template <typename U>
- using push = S<U, T...>;
- template <typename U>
- using push_back = S<T..., U>;
- template <template<typename ... Args> class U>
- using rebind = U<T...>;
- };
-template <typename F, typename Set>
- struct CallHelper;
- template <typename F, typename ...Args>
- struct CallHelper<F, S<Args...>>
- {
- template <typename F1, typename ...Args1, typename =
- decltype(std::declval<F1>()(std::declval<Args1>()...))
- >
- static char __test(int);
-
- template <typename ...>
- static int __test(...);
-
- static constexpr bool value = sizeof(__test<F, Args...>(0)) == sizeof(char);
- };
-
-
- template <int N>
- struct single_tag_to_type
- {
- };
-
- template <>
- struct single_tag_to_type<1>
- {
- using type = int64_t;
- };
-
- template <>
- struct single_tag_to_type<2>
- {
- using type = uint64_t;
- };
-
- template <>
- struct single_tag_to_type<3>
- {
- using type = double;
- };
-
- template <>
- struct single_tag_to_type<4>
- {
- using type = std::string;
- };
-
- template <>
- struct single_tag_to_type<5>
- {
- using type = std::string;
- };
-
-
- template <uint64_t Tag>
- struct arguments
- {
- using subarguments = typename arguments<Tag/6>::type;
- using type =
- typename subarguments::template push<typename single_tag_to_type<Tag%6>::type>;
- };
-
- template <>
- struct arguments<0>
- {
- using type = S<>;
- };
-
- template <typename ... T>
- struct last_element_type
- {
- using type = typename std::tuple_element<sizeof...(T)-1, std::tuple<T...>>::type;
- };
-
-
- template <>
- struct last_element_type<>
- {
- };
-
-
- // from http://stackoverflow.com/questions/13072359/c11-compile-time-array-with-logarithmic-evaluation-depth
- template<class T> using Invoke = typename T::type;
-
- template<unsigned...> struct seq{ using type = seq; };
-
- template<class S1, class S2> struct concat;
-
- template<unsigned... I1, unsigned... I2>
- struct concat<seq<I1...>, seq<I2...>>
- : seq<I1..., (sizeof...(I1)+I2)...>{};
-
- template<class S1, class S2>
- using Concat = Invoke<concat<S1, S2>>;
-
- template<unsigned N> struct gen_seq;
- template<unsigned N> using GenSeq = Invoke<gen_seq<N>>;
-
- template<unsigned N>
- struct gen_seq : Concat<GenSeq<N/2>, GenSeq<N - N/2>>{};
-
- template<> struct gen_seq<0> : seq<>{};
- template<> struct gen_seq<1> : seq<0>{};
-
- template <typename Seq, typename Tuple>
- struct pop_back_helper;
-
- template <unsigned ... N, typename Tuple>
- struct pop_back_helper<seq<N...>, Tuple>
- {
- template <template <typename ... Args> class U>
- using rebind = U<typename std::tuple_element<N, Tuple>::type...>;
- };
-
- template <typename ... T>
- struct pop_back //: public pop_back_helper<typename gen_seq<sizeof...(T)-1>::type, std::tuple<T...>>
- {
- template <template <typename ... Args> class U>
- using rebind = typename pop_back_helper<typename gen_seq<sizeof...(T)-1>::type, std::tuple<T...>>::template rebind<U>;
- };
-
- template <>
- struct pop_back<>
- {
- template <template <typename ... Args> class U>
- using rebind = U<>;
- };
-
- // from http://stackoverflow.com/questions/2118541/check-if-c0x-parameter-pack-contains-a-type
- template < typename Tp, typename... List >
- struct contains : std::true_type {};
-
- template < typename Tp, typename Head, typename... Rest >
- struct contains<Tp, Head, Rest...>
- : std::conditional< std::is_same<Tp, Head>::value,
- std::true_type,
- contains<Tp, Rest...>
- >::type {};
-
- template < typename Tp >
- struct contains<Tp> : std::false_type {};
-
- template <typename T>
- struct empty_context
- {
- };
-
- template <typename T>
- struct promote
- {
- using type = T;
- };
-
-#define CROW_INTERNAL_PROMOTE_TYPE(t1, t2) \
- template<> \
- struct promote<t1> \
- { \
- using type = t2; \
- }
-
- CROW_INTERNAL_PROMOTE_TYPE(char, int64_t);
- CROW_INTERNAL_PROMOTE_TYPE(short, int64_t);
- CROW_INTERNAL_PROMOTE_TYPE(int, int64_t);
- CROW_INTERNAL_PROMOTE_TYPE(long, int64_t);
- CROW_INTERNAL_PROMOTE_TYPE(long long, int64_t);
- CROW_INTERNAL_PROMOTE_TYPE(unsigned char, uint64_t);
- CROW_INTERNAL_PROMOTE_TYPE(unsigned short, uint64_t);
- CROW_INTERNAL_PROMOTE_TYPE(unsigned int, uint64_t);
- CROW_INTERNAL_PROMOTE_TYPE(unsigned long, uint64_t);
- CROW_INTERNAL_PROMOTE_TYPE(unsigned long long, uint64_t);
- CROW_INTERNAL_PROMOTE_TYPE(float, double);
-#undef CROW_INTERNAL_PROMOTE_TYPE
-
- template <typename T>
- using promote_t = typename promote<T>::type;
-
- } // namespace black_magic
-
- namespace detail
- {
-
- template <class T, std::size_t N, class... Args>
- struct get_index_of_element_from_tuple_by_type_impl
- {
- static constexpr auto value = N;
- };
-
- template <class T, std::size_t N, class... Args>
- struct get_index_of_element_from_tuple_by_type_impl<T, N, T, Args...>
- {
- static constexpr auto value = N;
- };
-
- template <class T, std::size_t N, class U, class... Args>
- struct get_index_of_element_from_tuple_by_type_impl<T, N, U, Args...>
- {
- static constexpr auto value = get_index_of_element_from_tuple_by_type_impl<T, N + 1, Args...>::value;
- };
-
- } // namespace detail
-
- namespace utility
- {
- template <class T, class... Args>
- T& get_element_by_type(std::tuple<Args...>& t)
- {
- return std::get<detail::get_index_of_element_from_tuple_by_type_impl<T, 0, Args...>::value>(t);
- }
-
- template<typename T>
- struct function_traits;
-
-#ifndef CROW_MSVC_WORKAROUND
- template<typename T>
- struct function_traits : public function_traits<decltype(&T::operator())>
- {
- using parent_t = function_traits<decltype(&T::operator())>;
- static const size_t arity = parent_t::arity;
- using result_type = typename parent_t::result_type;
- template <size_t i>
- using arg = typename parent_t::template arg<i>;
-
- };
-#endif
-
- template<typename ClassType, typename R, typename ...Args>
- struct function_traits<R(ClassType::*)(Args...) const>
- {
- static const size_t arity = sizeof...(Args);
-
- typedef R result_type;
-
- template <size_t i>
- using arg = typename std::tuple_element<i, std::tuple<Args...>>::type;
- };
-
- template<typename ClassType, typename R, typename ...Args>
- struct function_traits<R(ClassType::*)(Args...)>
- {
- static const size_t arity = sizeof...(Args);
-
- typedef R result_type;
-
- template <size_t i>
- using arg = typename std::tuple_element<i, std::tuple<Args...>>::type;
- };
-
- template<typename R, typename ...Args>
- struct function_traits<std::function<R(Args...)>>
- {
- static const size_t arity = sizeof...(Args);
-
- typedef R result_type;
-
- template <size_t i>
- using arg = typename std::tuple_element<i, std::tuple<Args...>>::type;
- };
-
- inline static std::string base64encode(const char* data, size_t size, const char* key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")
- {
- std::string ret;
- ret.resize((size+2) / 3 * 4);
- auto it = ret.begin();
- while(size >= 3)
- {
- *it++ = key[(((unsigned char)*data)&0xFC)>>2];
- unsigned char h = (((unsigned char)*data++) & 0x03) << 4;
- *it++ = key[h|((((unsigned char)*data)&0xF0)>>4)];
- h = (((unsigned char)*data++) & 0x0F) << 2;
- *it++ = key[h|((((unsigned char)*data)&0xC0)>>6)];
- *it++ = key[((unsigned char)*data++)&0x3F];
-
- size -= 3;
- }
- if (size == 1)
- {
- *it++ = key[(((unsigned char)*data)&0xFC)>>2];
- unsigned char h = (((unsigned char)*data++) & 0x03) << 4;
- *it++ = key[h];
- *it++ = '=';
- *it++ = '=';
- }
- else if (size == 2)
- {
- *it++ = key[(((unsigned char)*data)&0xFC)>>2];
- unsigned char h = (((unsigned char)*data++) & 0x03) << 4;
- *it++ = key[h|((((unsigned char)*data)&0xF0)>>4)];
- h = (((unsigned char)*data++) & 0x0F) << 2;
- *it++ = key[h];
- *it++ = '=';
- }
- return ret;
- }
-
- inline static std::string base64encode_urlsafe(const char* data, size_t size)
- {
- return base64encode(data, size, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_");
- }
-
-
- } // namespace utility
-}
-
-
-
-#pragma once
-#include <boost/asio.hpp>
-#ifdef CROW_ENABLE_SSL
-#include <boost/asio/ssl.hpp>
-#endif
-
-
-namespace crow
-{
- using namespace boost;
- using tcp = asio::ip::tcp;
-
- struct SocketAdaptor
- {
- using context = void;
- SocketAdaptor(boost::asio::io_service& io_service, context*)
- : socket_(io_service)
- {
- }
-
- boost::asio::io_service& get_io_service()
- {
- return socket_.get_io_service();
- }
-
- tcp::socket& raw_socket()
- {
- return socket_;
- }
-
- tcp::socket& socket()
- {
- return socket_;
- }
-
- tcp::endpoint remote_endpoint()
- {
- return socket_.remote_endpoint();
- }
-
- bool is_open()
- {
- return socket_.is_open();
- }
-
- void close()
- {
- socket_.close();
- }
-
- template <typename F>
- void start(F f)
- {
- f(boost::system::error_code());
- }
-
- tcp::socket socket_;
- };
-
-#ifdef CROW_ENABLE_SSL
- struct SSLAdaptor
- {
- using context = boost::asio::ssl::context;
- using ssl_socket_t = boost::asio::ssl::stream<tcp::socket>;
- SSLAdaptor(boost::asio::io_service& io_service, context* ctx)
- : ssl_socket_(new ssl_socket_t(io_service, *ctx))
- {
- }
-
- boost::asio::ssl::stream<tcp::socket>& socket()
- {
- return *ssl_socket_;
- }
-
- tcp::socket::lowest_layer_type&
- raw_socket()
- {
- return ssl_socket_->lowest_layer();
- }
-
- tcp::endpoint remote_endpoint()
- {
- return raw_socket().remote_endpoint();
- }
-
- bool is_open()
- {
- return raw_socket().is_open();
- }
-
- void close()
- {
- raw_socket().close();
- }
-
- boost::asio::io_service& get_io_service()
- {
- return raw_socket().get_io_service();
- }
-
- template <typename F>
- void start(F f)
- {
- ssl_socket_->async_handshake(boost::asio::ssl::stream_base::server,
- [f](const boost::system::error_code& ec) {
- f(ec);
- });
- }
-
- std::unique_ptr<boost::asio::ssl::stream<tcp::socket>> ssl_socket_;
- };
-#endif
-}
-
-
-
-#pragma once
-
-#include <stdio.h>
-#include <string.h>
-#include <string>
-#include <vector>
-#include <iostream>
-#include <boost/optional.hpp>
-
-namespace crow
-{
-// ----------------------------------------------------------------------------
-// qs_parse (modified)
-// https://github.com/bartgrantham/qs_parse
-// ----------------------------------------------------------------------------
-/* Similar to strncmp, but handles URL-encoding for either string */
-int qs_strncmp(const char * s, const char * qs, size_t n);
-
-
-/* Finds the beginning of each key/value pair and stores a pointer in qs_kv.
- * Also decodes the value portion of the k/v pair *in-place*. In a future
- * enhancement it will also have a compile-time option of sorting qs_kv
- * alphabetically by key. */
-int qs_parse(char * qs, char * qs_kv[], int qs_kv_size);
-
-
-/* Used by qs_parse to decode the value portion of a k/v pair */
-int qs_decode(char * qs);
-
-
-/* Looks up the value according to the key on a pre-processed query string
- * A future enhancement will be a compile-time option to look up the key
- * in a pre-sorted qs_kv array via a binary search. */
-//char * qs_k2v(const char * key, char * qs_kv[], int qs_kv_size);
- char * qs_k2v(const char * key, char * const * qs_kv, int qs_kv_size, int nth);
-
-
-/* Non-destructive lookup of value, based on key. User provides the
- * destinaton string and length. */
-char * qs_scanvalue(const char * key, const char * qs, char * val, size_t val_len);
-
-// TODO: implement sorting of the qs_kv array; for now ensure it's not compiled
-#undef _qsSORTING
-
-// isxdigit _is_ available in <ctype.h>, but let's avoid another header instead
-#define CROW_QS_ISHEX(x) ((((x)>='0'&&(x)<='9') || ((x)>='A'&&(x)<='F') || ((x)>='a'&&(x)<='f')) ? 1 : 0)
-#define CROW_QS_HEX2DEC(x) (((x)>='0'&&(x)<='9') ? (x)-48 : ((x)>='A'&&(x)<='F') ? (x)-55 : ((x)>='a'&&(x)<='f') ? (x)-87 : 0)
-#define CROW_QS_ISQSCHR(x) ((((x)=='=')||((x)=='#')||((x)=='&')||((x)=='\0')) ? 0 : 1)
-
-inline int qs_strncmp(const char * s, const char * qs, size_t n)
-{
- int i=0;
- unsigned char u1, u2, unyb, lnyb;
-
- while(n-- > 0)
- {
- u1 = (unsigned char) *s++;
- u2 = (unsigned char) *qs++;
-
- if ( ! CROW_QS_ISQSCHR(u1) ) { u1 = '\0'; }
- if ( ! CROW_QS_ISQSCHR(u2) ) { u2 = '\0'; }
-
- if ( u1 == '+' ) { u1 = ' '; }
- if ( u1 == '%' ) // easier/safer than scanf
- {
- unyb = (unsigned char) *s++;
- lnyb = (unsigned char) *s++;
- if ( CROW_QS_ISHEX(unyb) && CROW_QS_ISHEX(lnyb) )
- u1 = (CROW_QS_HEX2DEC(unyb) * 16) + CROW_QS_HEX2DEC(lnyb);
- else
- u1 = '\0';
- }
-
- if ( u2 == '+' ) { u2 = ' '; }
- if ( u2 == '%' ) // easier/safer than scanf
- {
- unyb = (unsigned char) *qs++;
- lnyb = (unsigned char) *qs++;
- if ( CROW_QS_ISHEX(unyb) && CROW_QS_ISHEX(lnyb) )
- u2 = (CROW_QS_HEX2DEC(unyb) * 16) + CROW_QS_HEX2DEC(lnyb);
- else
- u2 = '\0';
- }
-
- if ( u1 != u2 )
- return u1 - u2;
- if ( u1 == '\0' )
- return 0;
- i++;
- }
- if ( CROW_QS_ISQSCHR(*qs) )
- return -1;
- else
- return 0;
-}
-
-
-inline int qs_parse(char * qs, char * qs_kv[], int qs_kv_size)
-{
- int i, j;
- char * substr_ptr;
-
- for(i=0; i<qs_kv_size; i++) qs_kv[i] = NULL;
-
- // find the beginning of the k/v substrings or the fragment
- substr_ptr = qs + strcspn(qs, "?#");
- if (substr_ptr[0] != '\0')
- substr_ptr++;
- else
- return 0; // no query or fragment
-
- i=0;
- while(i<qs_kv_size)
- {
- qs_kv[i] = substr_ptr;
- j = strcspn(substr_ptr, "&");
- if ( substr_ptr[j] == '\0' ) { break; }
- substr_ptr += j + 1;
- i++;
- }
- i++; // x &'s -> means x iterations of this loop -> means *x+1* k/v pairs
-
- // we only decode the values in place, the keys could have '='s in them
- // which will hose our ability to distinguish keys from values later
- for(j=0; j<i; j++)
- {
- substr_ptr = qs_kv[j] + strcspn(qs_kv[j], "=&#");
- if ( substr_ptr[0] == '&' || substr_ptr[0] == '\0') // blank value: skip decoding
- substr_ptr[0] = '\0';
- else
- qs_decode(++substr_ptr);
- }
-
-#ifdef _qsSORTING
-// TODO: qsort qs_kv, using qs_strncmp() for the comparison
-#endif
-
- return i;
-}
-
-
-inline int qs_decode(char * qs)
-{
- int i=0, j=0;
-
- while( CROW_QS_ISQSCHR(qs[j]) )
- {
- if ( qs[j] == '+' ) { qs[i] = ' '; }
- else if ( qs[j] == '%' ) // easier/safer than scanf
- {
- if ( ! CROW_QS_ISHEX(qs[j+1]) || ! CROW_QS_ISHEX(qs[j+2]) )
- {
- qs[i] = '\0';
- return i;
- }
- qs[i] = (CROW_QS_HEX2DEC(qs[j+1]) * 16) + CROW_QS_HEX2DEC(qs[j+2]);
- j+=2;
- }
- else
- {
- qs[i] = qs[j];
- }
- i++; j++;
- }
- qs[i] = '\0';
-
- return i;
-}
-
-
-inline char * qs_k2v(const char * key, char * const * qs_kv, int qs_kv_size, int nth = 0)
-{
- int i;
- size_t key_len, skip;
-
- key_len = strlen(key);
-
-#ifdef _qsSORTING
-// TODO: binary search for key in the sorted qs_kv
-#else // _qsSORTING
- for(i=0; i<qs_kv_size; i++)
- {
- // we rely on the unambiguous '=' to find the value in our k/v pair
- if ( qs_strncmp(key, qs_kv[i], key_len) == 0 )
- {
- skip = strcspn(qs_kv[i], "=");
- if ( qs_kv[i][skip] == '=' )
- skip++;
- // return (zero-char value) ? ptr to trailing '\0' : ptr to value
- if(nth == 0)
- return qs_kv[i] + skip;
- else
- --nth;
- }
- }
-#endif // _qsSORTING
-
- return NULL;
-}
-
-inline boost::optional<std::pair<std::string, std::string>> qs_dict_name2kv(const char * dict_name, char * const * qs_kv, int qs_kv_size, int nth = 0)
-{
- int i;
- size_t name_len, skip;
-
- name_len = strlen(dict_name) + 1;
-
-#ifdef _qsSORTING
-// TODO: binary search for key in the sorted qs_kv
-#else // _qsSORTING
- for(i=0; i<qs_kv_size; i++)
- {
- // we rely on the unambiguous '=' to find the value in our k/v pair
- if ( qs_strncmp(dict_name, qs_kv[i], name_len) == 0)
- {
- skip = strcspn(qs_kv[i], "=");
- if ( qs_kv[i][skip] == '=' )
- skip++;
- // return (zero-char value) ? ptr to trailing '\0' : ptr to value
- if(nth == 0)
- return boost::make_optional(std::make_pair(std::string(qs_kv[i] + 1),
- std::string(qs_kv[i] + skip)));
- else
- --nth;
- }
- }
-#endif // _qsSORTING
-
- return boost::none;
-}
-
-
-inline char * qs_scanvalue(const char * key, const char * qs, char * val, size_t val_len)
-{
- size_t i, key_len;
- const char * tmp;
-
- // find the beginning of the k/v substrings
- if ( (tmp = strchr(qs, '?')) != NULL )
- qs = tmp + 1;
-
- key_len = strlen(key);
- while(qs[0] != '#' && qs[0] != '\0')
- {
- if ( qs_strncmp(key, qs, key_len) == 0 )
- break;
- qs += strcspn(qs, "&") + 1;
- }
-
- if ( qs[0] == '\0' ) return NULL;
-
- qs += strcspn(qs, "=&#");
- if ( qs[0] == '=' )
- {
- qs++;
- i = strcspn(qs, "&=#");
- strncpy(val, qs, (val_len-1)<(i+1) ? (val_len-1) : (i+1));
- qs_decode(val);
- }
- else
- {
- if ( val_len > 0 )
- val[0] = '\0';
- }
-
- return val;
-}
-}
-// ----------------------------------------------------------------------------
-
-
-namespace crow
-{
- class query_string
- {
- public:
- static const int MAX_KEY_VALUE_PAIRS_COUNT = 256;
-
- query_string()
- {
-
- }
-
- query_string(const query_string& qs)
- : url_(qs.url_)
- {
- for(auto p:qs.key_value_pairs_)
- {
- key_value_pairs_.push_back((char*)(p-qs.url_.c_str()+url_.c_str()));
- }
- }
-
- query_string& operator = (const query_string& qs)
- {
- url_ = qs.url_;
- key_value_pairs_.clear();
- for(auto p:qs.key_value_pairs_)
- {
- key_value_pairs_.push_back((char*)(p-qs.url_.c_str()+url_.c_str()));
- }
- return *this;
- }
-
- query_string& operator = (query_string&& qs)
- {
- key_value_pairs_ = std::move(qs.key_value_pairs_);
- char* old_data = (char*)qs.url_.c_str();
- url_ = std::move(qs.url_);
- for(auto& p:key_value_pairs_)
- {
- p += (char*)url_.c_str() - old_data;
- }
- return *this;
- }
-
-
- query_string(std::string url)
- : url_(std::move(url))
- {
- if (url_.empty())
- return;
-
- key_value_pairs_.resize(MAX_KEY_VALUE_PAIRS_COUNT);
-
- int count = qs_parse(&url_[0], &key_value_pairs_[0], MAX_KEY_VALUE_PAIRS_COUNT);
- key_value_pairs_.resize(count);
- }
-
- void clear()
- {
- key_value_pairs_.clear();
- url_.clear();
- }
-
- friend std::ostream& operator<<(std::ostream& os, const query_string& qs)
- {
- os << "[ ";
- for(size_t i = 0; i < qs.key_value_pairs_.size(); ++i) {
- if (i)
- os << ", ";
- os << qs.key_value_pairs_[i];
- }
- os << " ]";
- return os;
-
- }
-
- char* get (const std::string& name) const
- {
- char* ret = qs_k2v(name.c_str(), key_value_pairs_.data(), key_value_pairs_.size());
- return ret;
- }
-
- std::vector<char*> get_list (const std::string& name) const
- {
- std::vector<char*> ret;
- std::string plus = name + "[]";
- char* element = nullptr;
-
- int count = 0;
- while(1)
- {
- element = qs_k2v(plus.c_str(), key_value_pairs_.data(), key_value_pairs_.size(), count++);
- if (!element)
- break;
- ret.push_back(element);
- }
- return ret;
- }
-
-
- std::vector<std::pair<std::string, std::string>> get_dict (const std::string& name) const
- {
- std::vector<std::pair<std::string, std::string>> ret;
-
- int count = 0;
- while(1)
- {
- if (auto element = qs_dict_name2kv(name.c_str(), key_value_pairs_.data(), key_value_pairs_.size(), count++))
- ret.push_back(*element);
- else
- break;
- }
- return ret;
- }
-
-
-
-
-
- private:
- std::string url_;
- std::vector<char*> key_value_pairs_;
- };
-
-} // end namespace
-
-
-
-#pragma once
-
-#include <string>
-#include <cstdio>
-#include <cstdlib>
-#include <ctime>
-#include <iostream>
-#include <sstream>
-
-
-
-
-namespace crow
-{
- enum class LogLevel
- {
-#ifndef ERROR
- DEBUG = 0,
- INFO,
- WARNING,
- ERROR,
- CRITICAL,
-#endif
-
- Debug = 0,
- Info,
- Warning,
- Error,
- Critical,
- };
-
- class ILogHandler {
- public:
- virtual void log(std::string message, LogLevel level) = 0;
- };
-
- class CerrLogHandler : public ILogHandler {
- public:
- void log(std::string message, LogLevel /*level*/) override {
- std::cerr << message;
- }
- };
-
- class logger {
-
- private:
- //
- static std::string timestamp()
- {
- char date[32];
- time_t t = time(0);
-
- tm my_tm;
-
-#ifdef _MSC_VER
- gmtime_s(&my_tm, &t);
-#else
- gmtime_r(&t, &my_tm);
-#endif
-
- size_t sz = strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", &my_tm);
- return std::string(date, date+sz);
- }
-
- public:
-
-
- logger(std::string prefix, LogLevel level) : level_(level) {
- #ifdef CROW_ENABLE_LOGGING
- stringstream_ << "(" << timestamp() << ") [" << prefix << "] ";
- #endif
-
- }
- ~logger() {
- #ifdef CROW_ENABLE_LOGGING
- if(level_ >= get_current_log_level()) {
- stringstream_ << std::endl;
- get_handler_ref()->log(stringstream_.str(), level_);
- }
- #endif
- }
-
- //
- template <typename T>
- logger& operator<<(T const &value) {
-
- #ifdef CROW_ENABLE_LOGGING
- if(level_ >= get_current_log_level()) {
- stringstream_ << value;
- }
- #endif
- return *this;
- }
-
- //
- static void setLogLevel(LogLevel level) {
- get_log_level_ref() = level;
- }
-
- static void setHandler(ILogHandler* handler) {
- get_handler_ref() = handler;
- }
-
- static LogLevel get_current_log_level() {
- return get_log_level_ref();
- }
-
- private:
- //
- static LogLevel& get_log_level_ref()
- {
- static LogLevel current_level = (LogLevel)CROW_LOG_LEVEL;
- return current_level;
- }
- static ILogHandler*& get_handler_ref()
- {
- static CerrLogHandler default_handler;
- static ILogHandler* current_handler = &default_handler;
- return current_handler;
- }
-
- //
- std::ostringstream stringstream_;
- LogLevel level_;
- };
-}
-
-#define CROW_LOG_CRITICAL \
- if (crow::logger::get_current_log_level() <= crow::LogLevel::Critical) \
- crow::logger("CRITICAL", crow::LogLevel::Critical)
-#define CROW_LOG_ERROR \
- if (crow::logger::get_current_log_level() <= crow::LogLevel::Error) \
- crow::logger("ERROR ", crow::LogLevel::Error)
-#define CROW_LOG_WARNING \
- if (crow::logger::get_current_log_level() <= crow::LogLevel::Warning) \
- crow::logger("WARNING ", crow::LogLevel::Warning)
-#define CROW_LOG_INFO \
- if (crow::logger::get_current_log_level() <= crow::LogLevel::Info) \
- crow::logger("INFO ", crow::LogLevel::Info)
-#define CROW_LOG_DEBUG \
- if (crow::logger::get_current_log_level() <= crow::LogLevel::Debug) \
- crow::logger("DEBUG ", crow::LogLevel::Debug)
-
-
-
-
-#pragma once
-
-//#define CROW_JSON_NO_ERROR_CHECK
-
-#include <string>
-#include <unordered_map>
-#include <iostream>
-#include <algorithm>
-#include <memory>
-#include <boost/lexical_cast.hpp>
-#include <boost/algorithm/string/predicate.hpp>
-#include <boost/operators.hpp>
-#include <vector>
-
-
-
-
-#if defined(__GNUG__) || defined(__clang__)
-#define crow_json_likely(x) __builtin_expect(x, 1)
-#define crow_json_unlikely(x) __builtin_expect(x, 0)
-#else
-#define crow_json_likely(x) x
-#define crow_json_unlikely(x) x
-#endif
-
-
-namespace crow
-{
- namespace mustache
- {
- class template_t;
- }
-
- namespace json
- {
- inline void escape(const std::string& str, std::string& ret)
- {
- ret.reserve(ret.size() + str.size()+str.size()/4);
- for(char c:str)
- {
- switch(c)
- {
- case '"': ret += "\\\""; break;
- case '\\': ret += "\\\\"; break;
- case '\n': ret += "\\n"; break;
- case '\b': ret += "\\b"; break;
- case '\f': ret += "\\f"; break;
- case '\r': ret += "\\r"; break;
- case '\t': ret += "\\t"; break;
- default:
- if (0 <= c && c < 0x20)
- {
- ret += "\\u00";
- auto to_hex = [](char c)
- {
- c = c&0xf;
- if (c < 10)
- return '0' + c;
- return 'a'+c-10;
- };
- ret += to_hex(c/16);
- ret += to_hex(c%16);
- }
- else
- ret += c;
- break;
- }
- }
- }
- inline std::string escape(const std::string& str)
- {
- std::string ret;
- escape(str, ret);
- return ret;
- }
-
- enum class type : char
- {
- Null,
- False,
- True,
- Number,
- String,
- List,
- Object,
- };
-
- inline const char* get_type_str(type t) {
- switch(t){
- case type::Number: return "Number";
- case type::False: return "False";
- case type::True: return "True";
- case type::List: return "List";
- case type::String: return "String";
- case type::Object: return "Object";
- default: return "Unknown";
- }
- }
-
- class rvalue;
- rvalue load(const char* data, size_t size);
-
- namespace detail
- {
-
- struct r_string
- : boost::less_than_comparable<r_string>,
- boost::less_than_comparable<r_string, std::string>,
- boost::equality_comparable<r_string>,
- boost::equality_comparable<r_string, std::string>
- {
- r_string() {};
- r_string(char* s, char* e)
- : s_(s), e_(e)
- {};
- ~r_string()
- {
- if (owned_)
- delete[] s_;
- }
-
- r_string(const r_string& r)
- {
- *this = r;
- }
-
- r_string(r_string&& r)
- {
- *this = r;
- }
-
- r_string& operator = (r_string&& r)
- {
- s_ = r.s_;
- e_ = r.e_;
- owned_ = r.owned_;
- if (r.owned_)
- r.owned_ = 0;
- return *this;
- }
-
- r_string& operator = (const r_string& r)
- {
- s_ = r.s_;
- e_ = r.e_;
- owned_ = 0;
- return *this;
- }
-
- operator std::string () const
- {
- return std::string(s_, e_);
- }
-
-
- const char* begin() const { return s_; }
- const char* end() const { return e_; }
- size_t size() const { return end() - begin(); }
-
- using iterator = const char*;
- using const_iterator = const char*;
-
- char* s_;
- mutable char* e_;
- uint8_t owned_{0};
- friend std::ostream& operator << (std::ostream& os, const r_string& s)
- {
- os << (std::string)s;
- return os;
- }
- private:
- void force(char* s, uint32_t /*length*/)
- {
- s_ = s;
- owned_ = 1;
- }
- friend rvalue crow::json::load(const char* data, size_t size);
- };
-
- inline bool operator < (const r_string& l, const r_string& r)
- {
- return boost::lexicographical_compare(l,r);
- }
-
- inline bool operator < (const r_string& l, const std::string& r)
- {
- return boost::lexicographical_compare(l,r);
- }
-
- inline bool operator > (const r_string& l, const std::string& r)
- {
- return boost::lexicographical_compare(r,l);
- }
-
- inline bool operator == (const r_string& l, const r_string& r)
- {
- return boost::equals(l,r);
- }
-
- inline bool operator == (const r_string& l, const std::string& r)
- {
- return boost::equals(l,r);
- }
- }
-
- class rvalue
- {
- static const int cached_bit = 2;
- static const int error_bit = 4;
- public:
- rvalue() noexcept : option_{error_bit}
- {}
- rvalue(type t) noexcept
- : lsize_{}, lremain_{}, t_{t}
- {}
- rvalue(type t, char* s, char* e) noexcept
- : start_{s},
- end_{e},
- t_{t}
- {}
-
- rvalue(const rvalue& r)
- : start_(r.start_),
- end_(r.end_),
- key_(r.key_),
- t_(r.t_),
- option_(r.option_)
- {
- copy_l(r);
- }
-
- rvalue(rvalue&& r) noexcept
- {
- *this = std::move(r);
- }
-
- rvalue& operator = (const rvalue& r)
- {
- start_ = r.start_;
- end_ = r.end_;
- key_ = r.key_;
- copy_l(r);
- t_ = r.t_;
- option_ = r.option_;
- return *this;
- }
- rvalue& operator = (rvalue&& r) noexcept
- {
- start_ = r.start_;
- end_ = r.end_;
- key_ = std::move(r.key_);
- l_ = std::move(r.l_);
- lsize_ = r.lsize_;
- lremain_ = r.lremain_;
- t_ = r.t_;
- option_ = r.option_;
- return *this;
- }
-
- explicit operator bool() const noexcept
- {
- return (option_ & error_bit) == 0;
- }
-
- explicit operator int64_t() const
- {
- return i();
- }
-
- explicit operator uint64_t() const
- {
- return u();
- }
-
- explicit operator int() const
- {
- return (int)i();
- }
-
- type t() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (option_ & error_bit)
- {
- throw std::runtime_error("invalid json object");
- }
-#endif
- return t_;
- }
-
- int64_t i() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- switch (t()) {
- case type::Number:
- case type::String:
- return boost::lexical_cast<int64_t>(start_, end_-start_);
- default:
- const std::string msg = "expected number, got: "
- + std::string(get_type_str(t()));
- throw std::runtime_error(msg);
- }
-#endif
- return boost::lexical_cast<int64_t>(start_, end_-start_);
- }
-
- uint64_t u() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- switch (t()) {
- case type::Number:
- case type::String:
- return boost::lexical_cast<uint64_t>(start_, end_-start_);
- default:
- throw std::runtime_error(std::string("expected number, got: ") + get_type_str(t()));
- }
-#endif
- return boost::lexical_cast<uint64_t>(start_, end_-start_);
- }
-
- double d() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::Number)
- throw std::runtime_error("value is not number");
-#endif
- return boost::lexical_cast<double>(start_, end_-start_);
- }
-
- bool b() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::True && t() != type::False)
- throw std::runtime_error("value is not boolean");
-#endif
- return t() == type::True;
- }
-
- void unescape() const
- {
- if (*(start_-1))
- {
- char* head = start_;
- char* tail = start_;
- while(head != end_)
- {
- if (*head == '\\')
- {
- switch(*++head)
- {
- case '"': *tail++ = '"'; break;
- case '\\': *tail++ = '\\'; break;
- case '/': *tail++ = '/'; break;
- case 'b': *tail++ = '\b'; break;
- case 'f': *tail++ = '\f'; break;
- case 'n': *tail++ = '\n'; break;
- case 'r': *tail++ = '\r'; break;
- case 't': *tail++ = '\t'; break;
- case 'u':
- {
- auto from_hex = [](char c)
- {
- if (c >= 'a')
- return c - 'a' + 10;
- if (c >= 'A')
- return c - 'A' + 10;
- return c - '0';
- };
- unsigned int code =
- (from_hex(head[1])<<12) +
- (from_hex(head[2])<< 8) +
- (from_hex(head[3])<< 4) +
- from_hex(head[4]);
- if (code >= 0x800)
- {
- *tail++ = 0xE0 | (code >> 12);
- *tail++ = 0x80 | ((code >> 6) & 0x3F);
- *tail++ = 0x80 | (code & 0x3F);
- }
- else if (code >= 0x80)
- {
- *tail++ = 0xC0 | (code >> 6);
- *tail++ = 0x80 | (code & 0x3F);
- }
- else
- {
- *tail++ = code;
- }
- head += 4;
- }
- break;
- }
- }
- else
- *tail++ = *head;
- head++;
- }
- end_ = tail;
- *end_ = 0;
- *(start_-1) = 0;
- }
- }
-
- detail::r_string s() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::String)
- throw std::runtime_error("value is not string");
-#endif
- unescape();
- return detail::r_string{start_, end_};
- }
-
- bool has(const char* str) const
- {
- return has(std::string(str));
- }
-
- bool has(const std::string& str) const
- {
- struct Pred
- {
- bool operator()(const rvalue& l, const rvalue& r) const
- {
- return l.key_ < r.key_;
- };
- bool operator()(const rvalue& l, const std::string& r) const
- {
- return l.key_ < r;
- };
- bool operator()(const std::string& l, const rvalue& r) const
- {
- return l < r.key_;
- };
- };
- if (!is_cached())
- {
- std::sort(begin(), end(), Pred());
- set_cached();
- }
- auto it = lower_bound(begin(), end(), str, Pred());
- return it != end() && it->key_ == str;
- }
-
- int count(const std::string& str)
- {
- return has(str) ? 1 : 0;
- }
-
- rvalue* begin() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::Object && t() != type::List)
- throw std::runtime_error("value is not a container");
-#endif
- return l_.get();
- }
- rvalue* end() const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::Object && t() != type::List)
- throw std::runtime_error("value is not a container");
-#endif
- return l_.get()+lsize_;
- }
-
- const detail::r_string& key() const
- {
- return key_;
- }
-
- size_t size() const
- {
- if (t() == type::String)
- return s().size();
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::Object && t() != type::List)
- throw std::runtime_error("value is not a container");
-#endif
- return lsize_;
- }
-
- const rvalue& operator[](int index) const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::List)
- throw std::runtime_error("value is not a list");
- if (index >= (int)lsize_ || index < 0)
- throw std::runtime_error("list out of bound");
-#endif
- return l_[index];
- }
-
- const rvalue& operator[](size_t index) const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::List)
- throw std::runtime_error("value is not a list");
- if (index >= lsize_)
- throw std::runtime_error("list out of bound");
-#endif
- return l_[index];
- }
-
- const rvalue& operator[](const char* str) const
- {
- return this->operator[](std::string(str));
- }
-
- const rvalue& operator[](const std::string& str) const
- {
-#ifndef CROW_JSON_NO_ERROR_CHECK
- if (t() != type::Object)
- throw std::runtime_error("value is not an object");
-#endif
- struct Pred
- {
- bool operator()(const rvalue& l, const rvalue& r) const
- {
- return l.key_ < r.key_;
- };
- bool operator()(const rvalue& l, const std::string& r) const
- {
- return l.key_ < r;
- };
- bool operator()(const std::string& l, const rvalue& r) const
- {
- return l < r.key_;
- };
- };
- if (!is_cached())
- {
- std::sort(begin(), end(), Pred());
- set_cached();
- }
- auto it = lower_bound(begin(), end(), str, Pred());
- if (it != end() && it->key_ == str)
- return *it;
-#ifndef CROW_JSON_NO_ERROR_CHECK
- throw std::runtime_error("cannot find key");
-#else
- static rvalue nullValue;
- return nullValue;
-#endif
- }
-
- void set_error()
- {
- option_|=error_bit;
- }
-
- bool error() const
- {
- return (option_&error_bit)!=0;
- }
- private:
- bool is_cached() const
- {
- return (option_&cached_bit)!=0;
- }
- void set_cached() const
- {
- option_ |= cached_bit;
- }
- void copy_l(const rvalue& r)
- {
- if (r.t() != type::Object && r.t() != type::List)
- return;
- lsize_ = r.lsize_;
- lremain_ = 0;
- l_.reset(new rvalue[lsize_]);
- std::copy(r.begin(), r.end(), begin());
- }
-
- void emplace_back(rvalue&& v)
- {
- if (!lremain_)
- {
- int new_size = lsize_ + lsize_;
- if (new_size - lsize_ > 60000)
- new_size = lsize_ + 60000;
- if (new_size < 4)
- new_size = 4;
- rvalue* p = new rvalue[new_size];
- rvalue* p2 = p;
- for(auto& x : *this)
- *p2++ = std::move(x);
- l_.reset(p);
- lremain_ = new_size - lsize_;
- }
- l_[lsize_++] = std::move(v);
- lremain_ --;
- }
-
- mutable char* start_;
- mutable char* end_;
- detail::r_string key_;
- std::unique_ptr<rvalue[]> l_;
- uint32_t lsize_;
- uint16_t lremain_;
- type t_;
- mutable uint8_t option_{0};
-
- friend rvalue load_nocopy_internal(char* data, size_t size);
- friend rvalue load(const char* data, size_t size);
- friend std::ostream& operator <<(std::ostream& os, const rvalue& r)
- {
- switch(r.t_)
- {
-
- case type::Null: os << "null"; break;
- case type::False: os << "false"; break;
- case type::True: os << "true"; break;
- case type::Number: os << r.d(); break;
- case type::String: os << '"' << r.s() << '"'; break;
- case type::List:
- {
- os << '[';
- bool first = true;
- for(auto& x : r)
- {
- if (!first)
- os << ',';
- first = false;
- os << x;
- }
- os << ']';
- }
- break;
- case type::Object:
- {
- os << '{';
- bool first = true;
- for(auto& x : r)
- {
- if (!first)
- os << ',';
- os << '"' << escape(x.key_) << "\":";
- first = false;
- os << x;
- }
- os << '}';
- }
- break;
- }
- return os;
- }
- };
- namespace detail {
- }
-
- inline bool operator == (const rvalue& l, const std::string& r)
- {
- return l.s() == r;
- }
-
- inline bool operator == (const std::string& l, const rvalue& r)
- {
- return l == r.s();
- }
-
- inline bool operator != (const rvalue& l, const std::string& r)
- {
- return l.s() != r;
- }
-
- inline bool operator != (const std::string& l, const rvalue& r)
- {
- return l != r.s();
- }
-
- inline bool operator == (const rvalue& l, double r)
- {
- return l.d() == r;
- }
-
- inline bool operator == (double l, const rvalue& r)
- {
- return l == r.d();
- }
-
- inline bool operator != (const rvalue& l, double r)
- {
- return l.d() != r;
- }
-
- inline bool operator != (double l, const rvalue& r)
- {
- return l != r.d();
- }
-
-
- inline rvalue load_nocopy_internal(char* data, size_t size)
- {
- //static const char* escaped = "\"\\/\b\f\n\r\t";
- struct Parser
- {
- Parser(char* data, size_t /*size*/)
- : data(data)
- {
- }
-
- bool consume(char c)
- {
- if (crow_json_unlikely(*data != c))
- return false;
- data++;
- return true;
- }
-
- void ws_skip()
- {
- while(*data == ' ' || *data == '\t' || *data == '\r' || *data == '\n') ++data;
- };
-
- rvalue decode_string()
- {
- if (crow_json_unlikely(!consume('"')))
- return {};
- char* start = data;
- uint8_t has_escaping = 0;
- while(1)
- {
- if (crow_json_likely(*data != '"' && *data != '\\' && *data != '\0'))
- {
- data ++;
- }
- else if (*data == '"')
- {
- *data = 0;
- *(start-1) = has_escaping;
- data++;
- return {type::String, start, data-1};
- }
- else if (*data == '\\')
- {
- has_escaping = 1;
- data++;
- switch(*data)
- {
- case 'u':
- {
- auto check = [](char c)
- {
- return
- ('0' <= c && c <= '9') ||
- ('a' <= c && c <= 'f') ||
- ('A' <= c && c <= 'F');
- };
- if (!(check(*(data+1)) &&
- check(*(data+2)) &&
- check(*(data+3)) &&
- check(*(data+4))))
- return {};
- }
- data += 5;
- break;
- case '"':
- case '\\':
- case '/':
- case 'b':
- case 'f':
- case 'n':
- case 'r':
- case 't':
- data ++;
- break;
- default:
- return {};
- }
- }
- else
- return {};
- }
- return {};
- }
-
- rvalue decode_list()
- {
- rvalue ret(type::List);
- if (crow_json_unlikely(!consume('[')))
- {
- ret.set_error();
- return ret;
- }
- ws_skip();
- if (crow_json_unlikely(*data == ']'))
- {
- data++;
- return ret;
- }
-
- while(1)
- {
- auto v = decode_value();
- if (crow_json_unlikely(!v))
- {
- ret.set_error();
- break;
- }
- ws_skip();
- ret.emplace_back(std::move(v));
- if (*data == ']')
- {
- data++;
- break;
- }
- if (crow_json_unlikely(!consume(',')))
- {
- ret.set_error();
- break;
- }
- ws_skip();
- }
- return ret;
- }
-
- rvalue decode_number()
- {
- char* start = data;
-
- enum NumberParsingState
- {
- Minus,
- AfterMinus,
- ZeroFirst,
- Digits,
- DigitsAfterPoints,
- E,
- DigitsAfterE,
- Invalid,
- } state{Minus};
- while(crow_json_likely(state != Invalid))
- {
- switch(*data)
- {
- case '0':
- state = (NumberParsingState)"\2\2\7\3\4\6\6"[state];
- /*if (state == NumberParsingState::Minus || state == NumberParsingState::AfterMinus)
- {
- state = NumberParsingState::ZeroFirst;
- }
- else if (state == NumberParsingState::Digits ||
- state == NumberParsingState::DigitsAfterE ||
- state == NumberParsingState::DigitsAfterPoints)
- {
- // ok; pass
- }
- else if (state == NumberParsingState::E)
- {
- state = NumberParsingState::DigitsAfterE;
- }
- else
- return {};*/
- break;
- case '1': case '2': case '3':
- case '4': case '5': case '6':
- case '7': case '8': case '9':
- state = (NumberParsingState)"\3\3\7\3\4\6\6"[state];
- while(*(data+1) >= '0' && *(data+1) <= '9') data++;
- /*if (state == NumberParsingState::Minus || state == NumberParsingState::AfterMinus)
- {
- state = NumberParsingState::Digits;
- }
- else if (state == NumberParsingState::Digits ||
- state == NumberParsingState::DigitsAfterE ||
- state == NumberParsingState::DigitsAfterPoints)
- {
- // ok; pass
- }
- else if (state == NumberParsingState::E)
- {
- state = NumberParsingState::DigitsAfterE;
- }
- else
- return {};*/
- break;
- case '.':
- state = (NumberParsingState)"\7\7\4\4\7\7\7"[state];
- /*
- if (state == NumberParsingState::Digits || state == NumberParsingState::ZeroFirst)
- {
- state = NumberParsingState::DigitsAfterPoints;
- }
- else
- return {};
- */
- break;
- case '-':
- state = (NumberParsingState)"\1\7\7\7\7\6\7"[state];
- /*if (state == NumberParsingState::Minus)
- {
- state = NumberParsingState::AfterMinus;
- }
- else if (state == NumberParsingState::E)
- {
- state = NumberParsingState::DigitsAfterE;
- }
- else
- return {};*/
- break;
- case '+':
- state = (NumberParsingState)"\7\7\7\7\7\6\7"[state];
- /*if (state == NumberParsingState::E)
- {
- state = NumberParsingState::DigitsAfterE;
- }
- else
- return {};*/
- break;
- case 'e': case 'E':
- state = (NumberParsingState)"\7\7\7\5\5\7\7"[state];
- /*if (state == NumberParsingState::Digits ||
- state == NumberParsingState::DigitsAfterPoints)
- {
- state = NumberParsingState::E;
- }
- else
- return {};*/
- break;
- default:
- if (crow_json_likely(state == NumberParsingState::ZeroFirst ||
- state == NumberParsingState::Digits ||
- state == NumberParsingState::DigitsAfterPoints ||
- state == NumberParsingState::DigitsAfterE))
- return {type::Number, start, data};
- else
- return {};
- }
- data++;
- }
-
- return {};
- }
-
- rvalue decode_value()
- {
- switch(*data)
- {
- case '[':
- return decode_list();
- case '{':
- return decode_object();
- case '"':
- return decode_string();
- case 't':
- if (//e-data >= 4 &&
- data[1] == 'r' &&
- data[2] == 'u' &&
- data[3] == 'e')
- {
- data += 4;
- return {type::True};
- }
- else
- return {};
- case 'f':
- if (//e-data >= 5 &&
- data[1] == 'a' &&
- data[2] == 'l' &&
- data[3] == 's' &&
- data[4] == 'e')
- {
- data += 5;
- return {type::False};
- }
- else
- return {};
- case 'n':
- if (//e-data >= 4 &&
- data[1] == 'u' &&
- data[2] == 'l' &&
- data[3] == 'l')
- {
- data += 4;
- return {type::Null};
- }
- else
- return {};
- //case '1': case '2': case '3':
- //case '4': case '5': case '6':
- //case '7': case '8': case '9':
- //case '0': case '-':
- default:
- return decode_number();
- }
- return {};
- }
-
- rvalue decode_object()
- {
- rvalue ret(type::Object);
- if (crow_json_unlikely(!consume('{')))
- {
- ret.set_error();
- return ret;
- }
-
- ws_skip();
-
- if (crow_json_unlikely(*data == '}'))
- {
- data++;
- return ret;
- }
-
- while(1)
- {
- auto t = decode_string();
- if (crow_json_unlikely(!t))
- {
- ret.set_error();
- break;
- }
-
- ws_skip();
- if (crow_json_unlikely(!consume(':')))
- {
- ret.set_error();
- break;
- }
-
- // TODO caching key to speed up (flyweight?)
- auto key = t.s();
-
- ws_skip();
- auto v = decode_value();
- if (crow_json_unlikely(!v))
- {
- ret.set_error();
- break;
- }
- ws_skip();
-
- v.key_ = std::move(key);
- ret.emplace_back(std::move(v));
- if (crow_json_unlikely(*data == '}'))
- {
- data++;
- break;
- }
- if (crow_json_unlikely(!consume(',')))
- {
- ret.set_error();
- break;
- }
- ws_skip();
- }
- return ret;
- }
-
- rvalue parse()
- {
- ws_skip();
- auto ret = decode_value(); // or decode object?
- ws_skip();
- if (ret && *data != '\0')
- ret.set_error();
- return ret;
- }
-
- char* data;
- };
- return Parser(data, size).parse();
- }
- inline rvalue load(const char* data, size_t size)
- {
- char* s = new char[size+1];
- memcpy(s, data, size);
- s[size] = 0;
- auto ret = load_nocopy_internal(s, size);
- if (ret)
- ret.key_.force(s, size);
- else
- delete[] s;
- return ret;
- }
-
- inline rvalue load(const char* data)
- {
- return load(data, strlen(data));
- }
-
- inline rvalue load(const std::string& str)
- {
- return load(str.data(), str.size());
- }
-
- class wvalue
- {
- friend class crow::mustache::template_t;
- public:
- type t() const { return t_; }
- private:
- type t_{type::Null};
- double d {};
- std::string s;
- std::unique_ptr<std::vector<wvalue>> l;
- std::unique_ptr<std::unordered_map<std::string, wvalue>> o;
- public:
-
- wvalue() {}
-
- wvalue(const rvalue& r)
- {
- t_ = r.t();
- switch(r.t())
- {
- case type::Null:
- case type::False:
- case type::True:
- return;
- case type::Number:
- d = r.d();
- return;
- case type::String:
- s = r.s();
- return;
- case type::List:
- l = std::unique_ptr<std::vector<wvalue>>(new std::vector<wvalue>{});
- l->reserve(r.size());
- for(auto it = r.begin(); it != r.end(); ++it)
- l->emplace_back(*it);
- return;
- case type::Object:
- o = std::unique_ptr<
- std::unordered_map<std::string, wvalue>
- >(
- new std::unordered_map<std::string, wvalue>{});
- for(auto it = r.begin(); it != r.end(); ++it)
- o->emplace(it->key(), *it);
- return;
- }
- }
-
- wvalue(wvalue&& r)
- {
- *this = std::move(r);
- }
-
- wvalue& operator = (wvalue&& r)
- {
- t_ = r.t_;
- d = r.d;
- s = std::move(r.s);
- l = std::move(r.l);
- o = std::move(r.o);
- return *this;
- }
-
- void clear()
- {
- t_ = type::Null;
- l.reset();
- o.reset();
- }
-
- void reset()
- {
- t_ = type::Null;
- l.reset();
- o.reset();
- }
-
- wvalue& operator = (std::nullptr_t)
- {
- reset();
- return *this;
- }
- wvalue& operator = (bool value)
- {
- reset();
- if (value)
- t_ = type::True;
- else
- t_ = type::False;
- return *this;
- }
-
- wvalue& operator = (double value)
- {
- reset();
- t_ = type::Number;
- d = value;
- return *this;
- }
-
- wvalue& operator = (unsigned short value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (short value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (long long value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (long value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (int value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (unsigned long long value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (unsigned long value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator = (unsigned int value)
- {
- reset();
- t_ = type::Number;
- d = (double)value;
- return *this;
- }
-
- wvalue& operator=(const char* str)
- {
- reset();
- t_ = type::String;
- s = str;
- return *this;
- }
-
- wvalue& operator=(const std::string& str)
- {
- reset();
- t_ = type::String;
- s = str;
- return *this;
- }
-
- template <typename T>
- wvalue& operator=(const std::vector<T>& v)
- {
- if (t_ != type::List)
- reset();
- t_ = type::List;
- if (!l)
- l = std::unique_ptr<std::vector<wvalue>>(new std::vector<wvalue>{});
- l->clear();
- l->resize(v.size());
- size_t idx = 0;
- for(auto& x:v)
- {
- (*l)[idx++] = x;
- }
- return *this;
- }
-
- wvalue& operator[](unsigned index)
- {
- if (t_ != type::List)
- reset();
- t_ = type::List;
- if (!l)
- l = std::unique_ptr<std::vector<wvalue>>(new std::vector<wvalue>{});
- if (l->size() < index+1)
- l->resize(index+1);
- return (*l)[index];
- }
-
- int count(const std::string& str)
- {
- if (t_ != type::Object)
- return 0;
- if (!o)
- return 0;
- return o->count(str);
- }
-
- wvalue& operator[](const std::string& str)
- {
- if (t_ != type::Object)
- reset();
- t_ = type::Object;
- if (!o)
- o = std::unique_ptr<
- std::unordered_map<std::string, wvalue>
- >(
- new std::unordered_map<std::string, wvalue>{});
- return (*o)[str];
- }
-
- size_t estimate_length() const
- {
- switch(t_)
- {
- case type::Null: return 4;
- case type::False: return 5;
- case type::True: return 4;
- case type::Number: return 30;
- case type::String: return 2+s.size()+s.size()/2;
- case type::List:
- {
- size_t sum{};
- if (l)
- {
- for(auto& x:*l)
- {
- sum += 1;
- sum += x.estimate_length();
- }
- }
- return sum+2;
- }
- case type::Object:
- {
- size_t sum{};
- if (o)
- {
- for(auto& kv:*o)
- {
- sum += 2;
- sum += 2+kv.first.size()+kv.first.size()/2;
- sum += kv.second.estimate_length();
- }
- }
- return sum+2;
- }
- }
- return 1;
- }
-
-
- friend void dump_internal(const wvalue& v, std::string& out);
- friend std::string dump(const wvalue& v);
- };
-
- inline void dump_string(const std::string& str, std::string& out)
- {
- out.push_back('"');
- escape(str, out);
- out.push_back('"');
- }
- inline void dump_internal(const wvalue& v, std::string& out)
- {
- switch(v.t_)
- {
- case type::Null: out += "null"; break;
- case type::False: out += "false"; break;
- case type::True: out += "true"; break;
- case type::Number:
- {
- char outbuf[128];
- sprintf(outbuf, "%g", v.d);
- out += outbuf;
- }
- break;
- case type::String: dump_string(v.s, out); break;
- case type::List:
- {
- out.push_back('[');
- if (v.l)
- {
- bool first = true;
- for(auto& x:*v.l)
- {
- if (!first)
- {
- out.push_back(',');
- }
- first = false;
- dump_internal(x, out);
- }
- }
- out.push_back(']');
- }
- break;
- case type::Object:
- {
- out.push_back('{');
- if (v.o)
- {
- bool first = true;
- for(auto& kv:*v.o)
- {
- if (!first)
- {
- out.push_back(',');
- }
- first = false;
- dump_string(kv.first, out);
- out.push_back(':');
- dump_internal(kv.second, out);
- }
- }
- out.push_back('}');
- }
- break;
- }
- }
-
- inline std::string dump(const wvalue& v)
- {
- std::string ret;
- ret.reserve(v.estimate_length());
- dump_internal(v, ret);
- return ret;
- }
-
- //std::vector<boost::asio::const_buffer> dump_ref(wvalue& v)
- //{
- //}
- }
-}
-
-#undef crow_json_likely
-#undef crow_json_unlikely
-
-
-
-#pragma once
-#include <string>
-#include <vector>
-#include <fstream>
-#include <iterator>
-#include <functional>
-
-
-namespace crow
-{
- namespace mustache
- {
- using context = json::wvalue;
-
- template_t load(const std::string& filename);
-
- class invalid_template_exception : public std::exception
- {
- public:
- invalid_template_exception(const std::string& msg)
- : msg("crow::mustache error: " + msg)
- {
- }
- virtual const char* what() const throw()
- {
- return msg.c_str();
- }
- std::string msg;
- };
-
- enum class ActionType
- {
- Ignore,
- Tag,
- UnescapeTag,
- OpenBlock,
- CloseBlock,
- ElseBlock,
- Partial,
- };
-
- struct Action
- {
- int start;
- int end;
- int pos;
- ActionType t;
- Action(ActionType t, int start, int end, int pos = 0)
- : start(start), end(end), pos(pos), t(t)
- {}
- };
-
- class template_t
- {
- public:
- template_t(std::string body)
- : body_(std::move(body))
- {
- // {{ {{# {{/ {{^ {{! {{> {{=
- parse();
- }
-
- private:
- std::string tag_name(const Action& action)
- {
- return body_.substr(action.start, action.end - action.start);
- }
- auto find_context(const std::string& name, const std::vector<context*>& stack)->std::pair<bool, context&>
- {
- if (name == ".")
- {
- return {true, *stack.back()};
- }
- int dotPosition = name.find(".");
- if (dotPosition == (int)name.npos)
- {
- for(auto it = stack.rbegin(); it != stack.rend(); ++it)
- {
- if ((*it)->t() == json::type::Object)
- {
- if ((*it)->count(name))
- return {true, (**it)[name]};
- }
- }
- }
- else
- {
- std::vector<int> dotPositions;
- dotPositions.push_back(-1);
- while(dotPosition != (int)name.npos)
- {
- dotPositions.push_back(dotPosition);
- dotPosition = name.find(".", dotPosition+1);
- }
- dotPositions.push_back(name.size());
- std::vector<std::string> names;
- names.reserve(dotPositions.size()-1);
- for(int i = 1; i < (int)dotPositions.size(); i ++)
- names.emplace_back(name.substr(dotPositions[i-1]+1, dotPositions[i]-dotPositions[i-1]-1));
-
- for(auto it = stack.rbegin(); it != stack.rend(); ++it)
- {
- context* view = *it;
- bool found = true;
- for(auto jt = names.begin(); jt != names.end(); ++jt)
- {
- if (view->t() == json::type::Object &&
- view->count(*jt))
- {
- view = &(*view)[*jt];
- }
- else
- {
- found = false;
- break;
- }
- }
- if (found)
- return {true, *view};
- }
-
- }
-
- static json::wvalue empty_str;
- empty_str = "";
- return {false, empty_str};
- }
-
- void escape(const std::string& in, std::string& out)
- {
- out.reserve(out.size() + in.size());
- for(auto it = in.begin(); it != in.end(); ++it)
- {
- switch(*it)
- {
- case '&': out += "&amp;"; break;
- case '<': out += "&lt;"; break;
- case '>': out += "&gt;"; break;
- case '"': out += "&quot;"; break;
- case '\'': out += "&#39;"; break;
- case '/': out += "&#x2F;"; break;
- default: out += *it; break;
- }
- }
- }
-
- void render_internal(int actionBegin, int actionEnd, std::vector<context*>& stack, std::string& out, int indent)
- {
- int current = actionBegin;
-
- if (indent)
- out.insert(out.size(), indent, ' ');
-
- while(current < actionEnd)
- {
- auto& fragment = fragments_[current];
- auto& action = actions_[current];
- render_fragment(fragment, indent, out);
- switch(action.t)
- {
- case ActionType::Ignore:
- // do nothing
- break;
- case ActionType::Partial:
- {
- std::string partial_name = tag_name(action);
- auto partial_templ = load(partial_name);
- int partial_indent = action.pos;
- partial_templ.render_internal(0, partial_templ.fragments_.size()-1, stack, out, partial_indent?indent+partial_indent:0);
- }
- break;
- case ActionType::UnescapeTag:
- case ActionType::Tag:
- {
- auto optional_ctx = find_context(tag_name(action), stack);
- auto& ctx = optional_ctx.second;
- switch(ctx.t())
- {
- case json::type::Number:
- out += json::dump(ctx);
- break;
- case json::type::String:
- if (action.t == ActionType::Tag)
- escape(ctx.s, out);
- else
- out += ctx.s;
- break;
- default:
- throw std::runtime_error("not implemented tag type" + boost::lexical_cast<std::string>((int)ctx.t()));
- }
- }
- break;
- case ActionType::ElseBlock:
- {
- static context nullContext;
- auto optional_ctx = find_context(tag_name(action), stack);
- if (!optional_ctx.first)
- {
- stack.emplace_back(&nullContext);
- break;
- }
-
- auto& ctx = optional_ctx.second;
- switch(ctx.t())
- {
- case json::type::List:
- if (ctx.l && !ctx.l->empty())
- current = action.pos;
- else
- stack.emplace_back(&nullContext);
- break;
- case json::type::False:
- case json::type::Null:
- stack.emplace_back(&nullContext);
- break;
- default:
- current = action.pos;
- break;
- }
- break;
- }
- case ActionType::OpenBlock:
- {
- auto optional_ctx = find_context(tag_name(action), stack);
- if (!optional_ctx.first)
- {
- current = action.pos;
- break;
- }
-
- auto& ctx = optional_ctx.second;
- switch(ctx.t())
- {
- case json::type::List:
- if (ctx.l)
- for(auto it = ctx.l->begin(); it != ctx.l->end(); ++it)
- {
- stack.push_back(&*it);
- render_internal(current+1, action.pos, stack, out, indent);
- stack.pop_back();
- }
- current = action.pos;
- break;
- case json::type::Number:
- case json::type::String:
- case json::type::Object:
- case json::type::True:
- stack.push_back(&ctx);
- break;
- case json::type::False:
- case json::type::Null:
- current = action.pos;
- break;
- default:
- throw std::runtime_error("{{#: not implemented context type: " + boost::lexical_cast<std::string>((int)ctx.t()));
- break;
- }
- break;
- }
- case ActionType::CloseBlock:
- stack.pop_back();
- break;
- default:
- throw std::runtime_error("not implemented " + boost::lexical_cast<std::string>((int)action.t));
- }
- current++;
- }
- auto& fragment = fragments_[actionEnd];
- render_fragment(fragment, indent, out);
- }
- void render_fragment(const std::pair<int, int> fragment, int indent, std::string& out)
- {
- if (indent)
- {
- for(int i = fragment.first; i < fragment.second; i ++)
- {
- out += body_[i];
- if (body_[i] == '\n' && i+1 != (int)body_.size())
- out.insert(out.size(), indent, ' ');
- }
- }
- else
- out.insert(out.size(), body_, fragment.first, fragment.second-fragment.first);
- }
- public:
- std::string render()
- {
- context empty_ctx;
- std::vector<context*> stack;
- stack.emplace_back(&empty_ctx);
-
- std::string ret;
- render_internal(0, fragments_.size()-1, stack, ret, 0);
- return ret;
- }
- std::string render(context& ctx)
- {
- std::vector<context*> stack;
- stack.emplace_back(&ctx);
-
- std::string ret;
- render_internal(0, fragments_.size()-1, stack, ret, 0);
- return ret;
- }
-
- private:
-
- void parse()
- {
- std::string tag_open = "{{";
- std::string tag_close = "}}";
-
- std::vector<int> blockPositions;
-
- size_t current = 0;
- while(1)
- {
- size_t idx = body_.find(tag_open, current);
- if (idx == body_.npos)
- {
- fragments_.emplace_back(current, body_.size());
- actions_.emplace_back(ActionType::Ignore, 0, 0);
- break;
- }
- fragments_.emplace_back(current, idx);
-
- idx += tag_open.size();
- size_t endIdx = body_.find(tag_close, idx);
- if (endIdx == idx)
- {
- throw invalid_template_exception("empty tag is not allowed");
- }
- if (endIdx == body_.npos)
- {
- // error, no matching tag
- throw invalid_template_exception("not matched opening tag");
- }
- current = endIdx + tag_close.size();
- switch(body_[idx])
- {
- case '#':
- idx++;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- blockPositions.emplace_back(actions_.size());
- actions_.emplace_back(ActionType::OpenBlock, idx, endIdx);
- break;
- case '/':
- idx++;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- {
- auto& matched = actions_[blockPositions.back()];
- if (body_.compare(idx, endIdx-idx,
- body_, matched.start, matched.end - matched.start) != 0)
- {
- throw invalid_template_exception("not matched {{# {{/ pair: " +
- body_.substr(matched.start, matched.end - matched.start) + ", " +
- body_.substr(idx, endIdx-idx));
- }
- matched.pos = actions_.size();
- }
- actions_.emplace_back(ActionType::CloseBlock, idx, endIdx, blockPositions.back());
- blockPositions.pop_back();
- break;
- case '^':
- idx++;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- blockPositions.emplace_back(actions_.size());
- actions_.emplace_back(ActionType::ElseBlock, idx, endIdx);
- break;
- case '!':
- // do nothing action
- actions_.emplace_back(ActionType::Ignore, idx+1, endIdx);
- break;
- case '>': // partial
- idx++;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- actions_.emplace_back(ActionType::Partial, idx, endIdx);
- break;
- case '{':
- if (tag_open != "{{" || tag_close != "}}")
- throw invalid_template_exception("cannot use triple mustache when delimiter changed");
-
- idx ++;
- if (body_[endIdx+2] != '}')
- {
- throw invalid_template_exception("{{{: }}} not matched");
- }
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- actions_.emplace_back(ActionType::UnescapeTag, idx, endIdx);
- current++;
- break;
- case '&':
- idx ++;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- actions_.emplace_back(ActionType::UnescapeTag, idx, endIdx);
- break;
- case '=':
- // tag itself is no-op
- idx ++;
- actions_.emplace_back(ActionType::Ignore, idx, endIdx);
- endIdx --;
- if (body_[endIdx] != '=')
- throw invalid_template_exception("{{=: not matching = tag: "+body_.substr(idx, endIdx-idx));
- endIdx --;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx] == ' ') endIdx--;
- endIdx++;
- {
- bool succeeded = false;
- for(size_t i = idx; i < endIdx; i++)
- {
- if (body_[i] == ' ')
- {
- tag_open = body_.substr(idx, i-idx);
- while(body_[i] == ' ') i++;
- tag_close = body_.substr(i, endIdx-i);
- if (tag_open.empty())
- throw invalid_template_exception("{{=: empty open tag");
- if (tag_close.empty())
- throw invalid_template_exception("{{=: empty close tag");
-
- if (tag_close.find(" ") != tag_close.npos)
- throw invalid_template_exception("{{=: invalid open/close tag: "+tag_open+" " + tag_close);
- succeeded = true;
- break;
- }
- }
- if (!succeeded)
- throw invalid_template_exception("{{=: cannot find space between new open/close tags");
- }
- break;
- default:
- // normal tag case;
- while(body_[idx] == ' ') idx++;
- while(body_[endIdx-1] == ' ') endIdx--;
- actions_.emplace_back(ActionType::Tag, idx, endIdx);
- break;
- }
- }
-
- // removing standalones
- for(int i = actions_.size()-2; i >= 0; i --)
- {
- if (actions_[i].t == ActionType::Tag || actions_[i].t == ActionType::UnescapeTag)
- continue;
- auto& fragment_before = fragments_[i];
- auto& fragment_after = fragments_[i+1];
- bool is_last_action = i == (int)actions_.size()-2;
- bool all_space_before = true;
- int j, k;
- for(j = fragment_before.second-1;j >= fragment_before.first;j--)
- {
- if (body_[j] != ' ')
- {
- all_space_before = false;
- break;
- }
- }
- if (all_space_before && i > 0)
- continue;
- if (!all_space_before && body_[j] != '\n')
- continue;
- bool all_space_after = true;
- for(k = fragment_after.first; k < (int)body_.size() && k < fragment_after.second; k ++)
- {
- if (body_[k] != ' ')
- {
- all_space_after = false;
- break;
- }
- }
- if (all_space_after && !is_last_action)
- continue;
- if (!all_space_after &&
- !(
- body_[k] == '\n'
- ||
- (body_[k] == '\r' &&
- k + 1 < (int)body_.size() &&
- body_[k+1] == '\n')))
- continue;
- if (actions_[i].t == ActionType::Partial)
- {
- actions_[i].pos = fragment_before.second - j - 1;
- }
- fragment_before.second = j+1;
- if (!all_space_after)
- {
- if (body_[k] == '\n')
- k++;
- else
- k += 2;
- fragment_after.first = k;
- }
- }
- }
-
- std::vector<std::pair<int,int>> fragments_;
- std::vector<Action> actions_;
- std::string body_;
- };
-
- inline template_t compile(const std::string& body)
- {
- return template_t(body);
- }
- namespace detail
- {
- inline std::string& get_template_base_directory_ref()
- {
- static std::string template_base_directory = "templates";
- return template_base_directory;
- }
- }
-
- inline std::string default_loader(const std::string& filename)
- {
- std::string path = detail::get_template_base_directory_ref();
- if (!(path.back() == '/' || path.back() == '\\'))
- path += '/';
- path += filename;
- std::ifstream inf(path);
- if (!inf)
- return {};
- return {std::istreambuf_iterator<char>(inf), std::istreambuf_iterator<char>()};
- }
-
- namespace detail
- {
- inline std::function<std::string (std::string)>& get_loader_ref()
- {
- static std::function<std::string (std::string)> loader = default_loader;
- return loader;
- }
- }
-
- inline void set_base(const std::string& path)
- {
- auto& base = detail::get_template_base_directory_ref();
- base = path;
- if (base.back() != '\\' &&
- base.back() != '/')
- {
- base += '/';
- }
- }
-
- inline void set_loader(std::function<std::string(std::string)> loader)
- {
- detail::get_loader_ref() = std::move(loader);
- }
-
- inline std::string load_text(const std::string& filename)
- {
- return detail::get_loader_ref()(filename);
- }
-
- inline template_t load(const std::string& filename)
- {
- return compile(detail::get_loader_ref()(filename));
- }
- }
-}
-
-
-
-/* merged revision: 5b951d74bd66ec9d38448e0a85b1cf8b85d97db3 */
-/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-#ifndef CROW_http_parser_h
-#define CROW_http_parser_h
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Also update SONAME in the Makefile whenever you change these. */
-#define CROW_HTTP_PARSER_VERSION_MAJOR 2
-#define CROW_HTTP_PARSER_VERSION_MINOR 3
-#define CROW_HTTP_PARSER_VERSION_PATCH 0
-
-#include <sys/types.h>
-#if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600)
-#include <BaseTsd.h>
-#include <stddef.h>
-typedef __int8 int8_t;
-typedef unsigned __int8 uint8_t;
-typedef __int16 int16_t;
-typedef unsigned __int16 uint16_t;
-typedef __int32 int32_t;
-typedef unsigned __int32 uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
-#else
-#include <stdint.h>
-#endif
-
-/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run
- * faster
- */
-#ifndef CROW_HTTP_PARSER_STRICT
-# define CROW_HTTP_PARSER_STRICT 1
-#endif
-
-/* Maximium header size allowed. If the macro is not defined
- * before including this header then the default is used. To
- * change the maximum header size, define the macro in the build
- * environment (e.g. -DHTTP_MAX_HEADER_SIZE=<value>). To remove
- * the effective limit on the size of the header, define the macro
- * to a very large number (e.g. -DHTTP_MAX_HEADER_SIZE=0x7fffffff)
- */
-#ifndef CROW_HTTP_MAX_HEADER_SIZE
-# define CROW_HTTP_MAX_HEADER_SIZE (80*1024)
-#endif
-
-typedef struct http_parser http_parser;
-typedef struct http_parser_settings http_parser_settings;
-
-
-/* Callbacks should return non-zero to indicate an error. The parser will
- * then halt execution.
- *
- * The one exception is on_headers_complete. In a HTTP_RESPONSE parser
- * returning '1' from on_headers_complete will tell the parser that it
- * should not expect a body. This is used when receiving a response to a
- * HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
- * chunked' headers that indicate the presence of a body.
- *
- * http_data_cb does not return data chunks. It will be call arbitrarally
- * many times for each string. E.G. you might get 10 callbacks for "on_url"
- * each providing just a few characters more data.
- */
-typedef int (*http_data_cb) (http_parser*, const char *at, size_t length);
-typedef int (*http_cb) (http_parser*);
-
-
-/* Request Methods */
-#define CROW_HTTP_METHOD_MAP(CROW_XX) \
- CROW_XX(0, DELETE, DELETE) \
- CROW_XX(1, GET, GET) \
- CROW_XX(2, HEAD, HEAD) \
- CROW_XX(3, POST, POST) \
- CROW_XX(4, PUT, PUT) \
- /* pathological */ \
- CROW_XX(5, CONNECT, CONNECT) \
- CROW_XX(6, OPTIONS, OPTIONS) \
- CROW_XX(7, TRACE, TRACE) \
- /* webdav */ \
- CROW_XX(8, COPY, COPY) \
- CROW_XX(9, LOCK, LOCK) \
- CROW_XX(10, MKCOL, MKCOL) \
- CROW_XX(11, MOVE, MOVE) \
- CROW_XX(12, PROPFIND, PROPFIND) \
- CROW_XX(13, PROPPATCH, PROPPATCH) \
- CROW_XX(14, SEARCH, SEARCH) \
- CROW_XX(15, UNLOCK, UNLOCK) \
- /* subversion */ \
- CROW_XX(16, REPORT, REPORT) \
- CROW_XX(17, MKACTIVITY, MKACTIVITY) \
- CROW_XX(18, CHECKOUT, CHECKOUT) \
- CROW_XX(19, MERGE, MERGE) \
- /* upnp */ \
- CROW_XX(20, MSEARCH, M-SEARCH) \
- CROW_XX(21, NOTIFY, NOTIFY) \
- CROW_XX(22, SUBSCRIBE, SUBSCRIBE) \
- CROW_XX(23, UNSUBSCRIBE, UNSUBSCRIBE) \
- /* RFC-5789 */ \
- CROW_XX(24, PATCH, PATCH) \
- CROW_XX(25, PURGE, PURGE) \
- /* CalDAV */ \
- CROW_XX(26, MKCALENDAR, MKCALENDAR) \
-
-enum http_method
- {
-#define CROW_XX(num, name, string) HTTP_##name = num,
- CROW_HTTP_METHOD_MAP(CROW_XX)
-#undef CROW_XX
- };
-
-
-enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH };
-
-
-/* Flag values for http_parser.flags field */
-enum flags
- { F_CHUNKED = 1 << 0
- , F_CONNECTION_KEEP_ALIVE = 1 << 1
- , F_CONNECTION_CLOSE = 1 << 2
- , F_TRAILING = 1 << 3
- , F_UPGRADE = 1 << 4
- , F_SKIPBODY = 1 << 5
- };
-
-
-/* Map for errno-related constants
- *
- * The provided argument should be a macro that takes 2 arguments.
- */
-#define CROW_HTTP_ERRNO_MAP(CROW_XX) \
- /* No error */ \
- CROW_XX(OK, "success") \
- \
- /* Callback-related errors */ \
- CROW_XX(CB_message_begin, "the on_message_begin callback failed") \
- CROW_XX(CB_url, "the on_url callback failed") \
- CROW_XX(CB_header_field, "the on_header_field callback failed") \
- CROW_XX(CB_header_value, "the on_header_value callback failed") \
- CROW_XX(CB_headers_complete, "the on_headers_complete callback failed") \
- CROW_XX(CB_body, "the on_body callback failed") \
- CROW_XX(CB_message_complete, "the on_message_complete callback failed") \
- CROW_XX(CB_status, "the on_status callback failed") \
- \
- /* Parsing-related errors */ \
- CROW_XX(INVALID_EOF_STATE, "stream ended at an unexpected time") \
- CROW_XX(HEADER_OVERFLOW, \
- "too many header bytes seen; overflow detected") \
- CROW_XX(CLOSED_CONNECTION, \
- "data received after completed connection: close message") \
- CROW_XX(INVALID_VERSION, "invalid HTTP version") \
- CROW_XX(INVALID_STATUS, "invalid HTTP status code") \
- CROW_XX(INVALID_METHOD, "invalid HTTP method") \
- CROW_XX(INVALID_URL, "invalid URL") \
- CROW_XX(INVALID_HOST, "invalid host") \
- CROW_XX(INVALID_PORT, "invalid port") \
- CROW_XX(INVALID_PATH, "invalid path") \
- CROW_XX(INVALID_QUERY_STRING, "invalid query string") \
- CROW_XX(INVALID_FRAGMENT, "invalid fragment") \
- CROW_XX(LF_EXPECTED, "CROW_LF character expected") \
- CROW_XX(INVALID_HEADER_TOKEN, "invalid character in header") \
- CROW_XX(INVALID_CONTENT_LENGTH, \
- "invalid character in content-length header") \
- CROW_XX(INVALID_CHUNK_SIZE, \
- "invalid character in chunk size header") \
- CROW_XX(INVALID_CONSTANT, "invalid constant string") \
- CROW_XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\
- CROW_XX(STRICT, "strict mode assertion failed") \
- CROW_XX(PAUSED, "parser is paused") \
- CROW_XX(UNKNOWN, "an unknown error occurred")
-
-
-/* Define HPE_* values for each errno value above */
-#define CROW_HTTP_ERRNO_GEN(n, s) HPE_##n,
-enum http_errno {
- CROW_HTTP_ERRNO_MAP(CROW_HTTP_ERRNO_GEN)
-};
-#undef CROW_HTTP_ERRNO_GEN
-
-
-/* Get an http_errno value from an http_parser */
-#define CROW_HTTP_PARSER_ERRNO(p) ((enum http_errno) (p)->http_errno)
-
-
-struct http_parser {
- /** PRIVATE **/
- unsigned int type : 2; /* enum http_parser_type */
- unsigned int flags : 6; /* F_* values from 'flags' enum; semi-public */
- unsigned int state : 8; /* enum state from http_parser.c */
- unsigned int header_state : 8; /* enum header_state from http_parser.c */
- unsigned int index : 8; /* index into current matcher */
-
- uint32_t nread; /* # bytes read in various scenarios */
- uint64_t content_length; /* # bytes in body (0 if no Content-Length header) */
-
- /** READ-ONLY **/
- unsigned short http_major;
- unsigned short http_minor;
- unsigned int status_code : 16; /* responses only */
- unsigned int method : 8; /* requests only */
- unsigned int http_errno : 7;
-
- /* 1 = Upgrade header was present and the parser has exited because of that.
- * 0 = No upgrade header present.
- * Should be checked when http_parser_execute() returns in addition to
- * error checking.
- */
- unsigned int upgrade : 1;
-
- /** PUBLIC **/
- void *data; /* A pointer to get hook to the "connection" or "socket" object */
-};
-
-
-struct http_parser_settings {
- http_cb on_message_begin;
- http_data_cb on_url;
- http_data_cb on_status;
- http_data_cb on_header_field;
- http_data_cb on_header_value;
- http_cb on_headers_complete;
- http_data_cb on_body;
- http_cb on_message_complete;
-};
-
-
-enum http_parser_url_fields
- { UF_SCHEMA = 0
- , UF_HOST = 1
- , UF_PORT = 2
- , UF_PATH = 3
- , UF_QUERY = 4
- , UF_FRAGMENT = 5
- , UF_USERINFO = 6
- , UF_MAX = 7
- };
-
-
-/* Result structure for http_parser_parse_url().
- *
- * Callers should index into field_data[] with UF_* values iff field_set
- * has the relevant (1 << UF_*) bit set. As a courtesy to clients (and
- * because we probably have padding left over), we convert any port to
- * a uint16_t.
- */
-struct http_parser_url {
- uint16_t field_set; /* Bitmask of (1 << UF_*) values */
- uint16_t port; /* Converted UF_PORT string */
-
- struct {
- uint16_t off; /* Offset into buffer in which field starts */
- uint16_t len; /* Length of run in buffer */
- } field_data[UF_MAX];
-};
-
-
-/* Returns the library version. Bits 16-23 contain the major version number,
- * bits 8-15 the minor version number and bits 0-7 the patch level.
- * Usage example:
- *
- * unsigned long version = http_parser_version();
- * unsigned major = (version >> 16) & 255;
- * unsigned minor = (version >> 8) & 255;
- * unsigned patch = version & 255;
- * printf("http_parser v%u.%u.%u\n", major, minor, version);
- */
-unsigned long http_parser_version(void);
-
-void http_parser_init(http_parser *parser, enum http_parser_type type);
-
-
-size_t http_parser_execute(http_parser *parser,
- const http_parser_settings *settings,
- const char *data,
- size_t len);
-
-
-/* If http_should_keep_alive() in the on_headers_complete or
- * on_message_complete callback returns 0, then this should be
- * the last message on the connection.
- * If you are the server, respond with the "Connection: close" header.
- * If you are the client, close the connection.
- */
-int http_should_keep_alive(const http_parser *parser);
-
-/* Returns a string version of the HTTP method. */
-const char *http_method_str(enum http_method m);
-
-/* Return a string name of the given error */
-const char *http_errno_name(enum http_errno err);
-
-/* Return a string description of the given error */
-const char *http_errno_description(enum http_errno err);
-
-/* Parse a URL; return nonzero on failure */
-int http_parser_parse_url(const char *buf, size_t buflen,
- int is_connect,
- struct http_parser_url *u);
-
-/* Pause or un-pause the parser; a nonzero value pauses */
-void http_parser_pause(http_parser *parser, int paused);
-
-/* Checks if this is the final chunk of the body. */
-int http_body_is_final(const http_parser *parser);
-
-/*#include "http_parser.h"*/
-/* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
- *
- * Additional changes are licensed under the same terms as NGINX and
- * copyright Joyent, Inc. and other Node contributors. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-#include <assert.h>
-#include <stddef.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#ifndef CROW_ULLONG_MAX
-# define CROW_ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */
-#endif
-
-#ifndef CROW_MIN
-# define CROW_MIN(a,b) ((a) < (b) ? (a) : (b))
-#endif
-
-#ifndef CROW_ARRAY_SIZE
-# define CROW_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-#endif
-
-#ifndef CROW_BIT_AT
-# define CROW_BIT_AT(a, i) \
- (!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
- (1 << ((unsigned int) (i) & 7))))
-#endif
-
-#ifndef CROW_ELEM_AT
-# define CROW_ELEM_AT(a, i, v) ((unsigned int) (i) < CROW_ARRAY_SIZE(a) ? (a)[(i)] : (v))
-#endif
-
-#define CROW_SET_ERRNO(e) \
-do { \
- parser->http_errno = (e); \
-} while(0)
-
-
-/* Run the notify callback FOR, returning ER if it fails */
-#define CROW_CALLBACK_NOTIFY_(FOR, ER) \
-do { \
- assert(CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK); \
- \
- if (settings->on_##FOR) { \
- if (0 != settings->on_##FOR(parser)) { \
- CROW_SET_ERRNO(HPE_CB_##FOR); \
- } \
- \
- /* We either errored above or got paused; get out */ \
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { \
- return (ER); \
- } \
- } \
-} while (0)
-
-/* Run the notify callback FOR and consume the current byte */
-#define CROW_CALLBACK_NOTIFY(FOR) CROW_CALLBACK_NOTIFY_(FOR, p - data + 1)
-
-/* Run the notify callback FOR and don't consume the current byte */
-#define CROW_CALLBACK_NOTIFY_NOADVANCE(FOR) CROW_CALLBACK_NOTIFY_(FOR, p - data)
-
-/* Run data callback FOR with LEN bytes, returning ER if it fails */
-#define CROW_CALLBACK_DATA_(FOR, LEN, ER) \
-do { \
- assert(CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK); \
- \
- if (FOR##_mark) { \
- if (settings->on_##FOR) { \
- if (0 != settings->on_##FOR(parser, FOR##_mark, (LEN))) { \
- CROW_SET_ERRNO(HPE_CB_##FOR); \
- } \
- \
- /* We either errored above or got paused; get out */ \
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) { \
- return (ER); \
- } \
- } \
- FOR##_mark = NULL; \
- } \
-} while (0)
-
-/* Run the data callback FOR and consume the current byte */
-#define CROW_CALLBACK_DATA(FOR) \
- CROW_CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1)
-
-/* Run the data callback FOR and don't consume the current byte */
-#define CROW_CALLBACK_DATA_NOADVANCE(FOR) \
- CROW_CALLBACK_DATA_(FOR, p - FOR##_mark, p - data)
-
-/* Set the mark FOR; non-destructive if mark is already set */
-#define CROW_MARK(FOR) \
-do { \
- if (!FOR##_mark) { \
- FOR##_mark = p; \
- } \
-} while (0)
-
-
-#define CROW_PROXY_CONNECTION "proxy-connection"
-#define CROW_CONNECTION "connection"
-#define CROW_CONTENT_LENGTH "content-length"
-#define CROW_TRANSFER_ENCODING "transfer-encoding"
-#define CROW_UPGRADE "upgrade"
-#define CROW_CHUNKED "chunked"
-#define CROW_KEEP_ALIVE "keep-alive"
-#define CROW_CLOSE "close"
-
-
-
-
-enum state
- { s_dead = 1 /* important that this is > 0 */
-
- , s_start_req_or_res
- , s_res_or_resp_H
- , s_start_res
- , s_res_H
- , s_res_HT
- , s_res_HTT
- , s_res_HTTP
- , s_res_first_http_major
- , s_res_http_major
- , s_res_first_http_minor
- , s_res_http_minor
- , s_res_first_status_code
- , s_res_status_code
- , s_res_status_start
- , s_res_status
- , s_res_line_almost_done
-
- , s_start_req
-
- , s_req_method
- , s_req_spaces_before_url
- , s_req_schema
- , s_req_schema_slash
- , s_req_schema_slash_slash
- , s_req_server_start
- , s_req_server
- , s_req_server_with_at
- , s_req_path
- , s_req_query_string_start
- , s_req_query_string
- , s_req_fragment_start
- , s_req_fragment
- , s_req_http_start
- , s_req_http_H
- , s_req_http_HT
- , s_req_http_HTT
- , s_req_http_HTTP
- , s_req_first_http_major
- , s_req_http_major
- , s_req_first_http_minor
- , s_req_http_minor
- , s_req_line_almost_done
-
- , s_header_field_start
- , s_header_field
- , s_header_value_discard_ws
- , s_header_value_discard_ws_almost_done
- , s_header_value_discard_lws
- , s_header_value_start
- , s_header_value
- , s_header_value_lws
-
- , s_header_almost_done
-
- , s_chunk_size_start
- , s_chunk_size
- , s_chunk_parameters
- , s_chunk_size_almost_done
-
- , s_headers_almost_done
- , s_headers_done
-
- /* Important: 's_headers_done' must be the last 'header' state. All
- * states beyond this must be 'body' states. It is used for overflow
- * checking. See the CROW_PARSING_HEADER() macro.
- */
-
- , s_chunk_data
- , s_chunk_data_almost_done
- , s_chunk_data_done
-
- , s_body_identity
- , s_body_identity_eof
-
- , s_message_done
- };
-
-
-#define CROW_PARSING_HEADER(state) (state <= s_headers_done)
-
-
-enum header_states
- { h_general = 0
- , h_C
- , h_CO
- , h_CON
-
- , h_matching_connection
- , h_matching_proxy_connection
- , h_matching_content_length
- , h_matching_transfer_encoding
- , h_matching_upgrade
-
- , h_connection
- , h_content_length
- , h_transfer_encoding
- , h_upgrade
-
- , h_matching_transfer_encoding_chunked
- , h_matching_connection_keep_alive
- , h_matching_connection_close
-
- , h_transfer_encoding_chunked
- , h_connection_keep_alive
- , h_connection_close
- };
-
-enum http_host_state
- {
- s_http_host_dead = 1
- , s_http_userinfo_start
- , s_http_userinfo
- , s_http_host_start
- , s_http_host_v6_start
- , s_http_host
- , s_http_host_v6
- , s_http_host_v6_end
- , s_http_host_port_start
- , s_http_host_port
-};
-
-/* Macros for character classes; depends on strict-mode */
-#define CROW_CR '\r'
-#define CROW_LF '\n'
-#define CROW_LOWER(c) (unsigned char)(c | 0x20)
-#define CROW_IS_ALPHA(c) (CROW_LOWER(c) >= 'a' && CROW_LOWER(c) <= 'z')
-#define CROW_IS_NUM(c) ((c) >= '0' && (c) <= '9')
-#define CROW_IS_ALPHANUM(c) (CROW_IS_ALPHA(c) || CROW_IS_NUM(c))
-#define CROW_IS_HEX(c) (CROW_IS_NUM(c) || (CROW_LOWER(c) >= 'a' && CROW_LOWER(c) <= 'f'))
-#define CROW_IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \
- (c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \
- (c) == ')')
-#define CROW_IS_USERINFO_CHAR(c) (CROW_IS_ALPHANUM(c) || CROW_IS_MARK(c) || (c) == '%' || \
- (c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \
- (c) == '$' || (c) == ',')
-
-#if CROW_HTTP_PARSER_STRICT
-#define CROW_TOKEN(c) (tokens[(unsigned char)c])
-#define CROW_IS_URL_CHAR(c) (CROW_BIT_AT(normal_url_char, (unsigned char)c))
-#define CROW_IS_HOST_CHAR(c) (CROW_IS_ALPHANUM(c) || (c) == '.' || (c) == '-')
-#else
-#define CROW_TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c])
-#define CROW_IS_URL_CHAR(c) \
- (CROW_BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80))
-#define CROW_IS_HOST_CHAR(c) \
- (CROW_IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_')
-#endif
-
-
-#define CROW_start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res)
-
-
-#if CROW_HTTP_PARSER_STRICT
-# define CROW_STRICT_CHECK(cond) \
-do { \
- if (cond) { \
- CROW_SET_ERRNO(HPE_STRICT); \
- goto error; \
- } \
-} while (0)
-# define CROW_NEW_MESSAGE() (http_should_keep_alive(parser) ? CROW_start_state : s_dead)
-#else
-# define CROW_STRICT_CHECK(cond)
-# define CROW_NEW_MESSAGE() CROW_start_state
-#endif
-
-
-
-int http_message_needs_eof(const http_parser *parser);
-
-/* Our URL parser.
- *
- * This is designed to be shared by http_parser_execute() for URL validation,
- * hence it has a state transition + byte-for-byte interface. In addition, it
- * is meant to be embedded in http_parser_parse_url(), which does the dirty
- * work of turning state transitions URL components for its API.
- *
- * This function should only be invoked with non-space characters. It is
- * assumed that the caller cares about (and can detect) the transition between
- * URL and non-URL states by looking for these.
- */
-inline enum state
-parse_url_char(enum state s, const char ch)
-{
-#if CROW_HTTP_PARSER_STRICT
-# define CROW_T(v) 0
-#else
-# define CROW_T(v) v
-#endif
-
-
-static const uint8_t normal_url_char[32] = {
-/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
- 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
-/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
- 0 | CROW_T(2) | 0 | 0 | CROW_T(16) | 0 | 0 | 0,
-/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
- 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
-/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
- 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
-/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
- 0 | 2 | 4 | 0 | 16 | 32 | 64 | 128,
-/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0,
-/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 80 P 81 Q 82 R 83 S 84 CROW_T 85 U 86 V 87 W */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
-/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
- 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, };
-
-#undef CROW_T
-
- if (ch == ' ' || ch == '\r' || ch == '\n') {
- return s_dead;
- }
-
-#if CROW_HTTP_PARSER_STRICT
- if (ch == '\t' || ch == '\f') {
- return s_dead;
- }
-#endif
-
- switch (s) {
- case s_req_spaces_before_url:
- /* Proxied requests are followed by scheme of an absolute URI (alpha).
- * All methods except CONNECT are followed by '/' or '*'.
- */
-
- if (ch == '/' || ch == '*') {
- return s_req_path;
- }
-
- if (CROW_IS_ALPHA(ch)) {
- return s_req_schema;
- }
-
- break;
-
- case s_req_schema:
- if (CROW_IS_ALPHA(ch)) {
- return s;
- }
-
- if (ch == ':') {
- return s_req_schema_slash;
- }
-
- break;
-
- case s_req_schema_slash:
- if (ch == '/') {
- return s_req_schema_slash_slash;
- }
-
- break;
-
- case s_req_schema_slash_slash:
- if (ch == '/') {
- return s_req_server_start;
- }
-
- break;
-
- case s_req_server_with_at:
- if (ch == '@') {
- return s_dead;
- }
-
- /* FALLTHROUGH */
- case s_req_server_start:
- case s_req_server:
- if (ch == '/') {
- return s_req_path;
- }
-
- if (ch == '?') {
- return s_req_query_string_start;
- }
-
- if (ch == '@') {
- return s_req_server_with_at;
- }
-
- if (CROW_IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') {
- return s_req_server;
- }
-
- break;
-
- case s_req_path:
- if (CROW_IS_URL_CHAR(ch)) {
- return s;
- }
-
- switch (ch) {
- case '?':
- return s_req_query_string_start;
-
- case '#':
- return s_req_fragment_start;
- }
-
- break;
-
- case s_req_query_string_start:
- case s_req_query_string:
- if (CROW_IS_URL_CHAR(ch)) {
- return s_req_query_string;
- }
-
- switch (ch) {
- case '?':
- /* allow extra '?' in query string */
- return s_req_query_string;
-
- case '#':
- return s_req_fragment_start;
- }
-
- break;
-
- case s_req_fragment_start:
- if (CROW_IS_URL_CHAR(ch)) {
- return s_req_fragment;
- }
-
- switch (ch) {
- case '?':
- return s_req_fragment;
-
- case '#':
- return s;
- }
-
- break;
-
- case s_req_fragment:
- if (CROW_IS_URL_CHAR(ch)) {
- return s;
- }
-
- switch (ch) {
- case '?':
- case '#':
- return s;
- }
-
- break;
-
- default:
- break;
- }
-
- /* We should never fall out of the switch above unless there's an error */
- return s_dead;
-}
-
-inline size_t http_parser_execute (http_parser *parser,
- const http_parser_settings *settings,
- const char *data,
- size_t len)
-{
-static const char *method_strings[] =
- {
-#define CROW_XX(num, name, string) #string,
- CROW_HTTP_METHOD_MAP(CROW_XX)
-#undef CROW_XX
- };
-
-/* Tokens as defined by rfc 2616. Also lowercases them.
- * token = 1*<any CHAR except CTLs or separators>
- * separators = "(" | ")" | "<" | ">" | "@"
- * | "," | ";" | ":" | "\" | <">
- * | "/" | "[" | "]" | "?" | "="
- * | "{" | "}" | SP | HT
- */
-static const char tokens[256] = {
-/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
- 0, 0, 0, 0, 0, 0, 0, 0,
-/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
- 0, 0, 0, 0, 0, 0, 0, 0,
-/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
- 0, 0, 0, 0, 0, 0, 0, 0,
-/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
- 0, 0, 0, 0, 0, 0, 0, 0,
-/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
- 0, '!', 0, '#', '$', '%', '&', '\'',
-/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
- 0, 0, '*', '+', 0, '-', '.', 0,
-/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
- '0', '1', '2', '3', '4', '5', '6', '7',
-/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
- '8', '9', 0, 0, 0, 0, 0, 0,
-/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
- 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
-/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
-/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
-/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
- 'x', 'y', 'z', 0, 0, 0, '^', '_',
-/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
- '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
-/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
- 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
-/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
-/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
- 'x', 'y', 'z', 0, '|', 0, '~', 0 };
-
-
-static const int8_t unhex[256] =
- {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
- ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
- ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
- , 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1
- ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
- ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
- ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
- ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
- };
-
-
-
- char c, ch;
- int8_t unhex_val;
- const char *p = data;
- const char *header_field_mark = 0;
- const char *header_value_mark = 0;
- const char *url_mark = 0;
- const char *body_mark = 0;
- const char *status_mark = 0;
-
- /* We're in an error state. Don't bother doing anything. */
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) {
- return 0;
- }
-
- if (len == 0) {
- switch (parser->state) {
- case s_body_identity_eof:
- /* Use of CROW_CALLBACK_NOTIFY() here would erroneously return 1 byte read if
- * we got paused.
- */
- CROW_CALLBACK_NOTIFY_NOADVANCE(message_complete);
- return 0;
-
- case s_dead:
- case s_start_req_or_res:
- case s_start_res:
- case s_start_req:
- return 0;
-
- default:
- CROW_SET_ERRNO(HPE_INVALID_EOF_STATE);
- return 1;
- }
- }
-
-
- if (parser->state == s_header_field)
- header_field_mark = data;
- if (parser->state == s_header_value)
- header_value_mark = data;
- switch (parser->state) {
- case s_req_path:
- case s_req_schema:
- case s_req_schema_slash:
- case s_req_schema_slash_slash:
- case s_req_server_start:
- case s_req_server:
- case s_req_server_with_at:
- case s_req_query_string_start:
- case s_req_query_string:
- case s_req_fragment_start:
- case s_req_fragment:
- url_mark = data;
- break;
- case s_res_status:
- status_mark = data;
- break;
- }
-
- for (p=data; p != data + len; p++) {
- ch = *p;
-
- if (CROW_PARSING_HEADER(parser->state)) {
- ++parser->nread;
- /* Don't allow the total size of the HTTP headers (including the status
- * line) to exceed CROW_HTTP_MAX_HEADER_SIZE. This check is here to protect
- * embedders against denial-of-service attacks where the attacker feeds
- * us a never-ending header that the embedder keeps buffering.
- *
- * This check is arguably the responsibility of embedders but we're doing
- * it on the embedder's behalf because most won't bother and this way we
- * make the web a little safer. CROW_HTTP_MAX_HEADER_SIZE is still far bigger
- * than any reasonable request or response so this should never affect
- * day-to-day operation.
- */
- if (parser->nread > (CROW_HTTP_MAX_HEADER_SIZE)) {
- CROW_SET_ERRNO(HPE_HEADER_OVERFLOW);
- goto error;
- }
- }
-
- reexecute_byte:
- switch (parser->state) {
-
- case s_dead:
- /* this state is used after a 'Connection: close' message
- * the parser will error out if it reads another message
- */
- if (ch == CROW_CR || ch == CROW_LF)
- break;
-
- CROW_SET_ERRNO(HPE_CLOSED_CONNECTION);
- goto error;
-
- case s_start_req_or_res:
- {
- if (ch == CROW_CR || ch == CROW_LF)
- break;
- parser->flags = 0;
- parser->content_length = CROW_ULLONG_MAX;
-
- if (ch == 'H') {
- parser->state = s_res_or_resp_H;
-
- CROW_CALLBACK_NOTIFY(message_begin);
- } else {
- parser->type = HTTP_REQUEST;
- parser->state = s_start_req;
- goto reexecute_byte;
- }
-
- break;
- }
-
- case s_res_or_resp_H:
- if (ch == 'T') {
- parser->type = HTTP_RESPONSE;
- parser->state = s_res_HT;
- } else {
- if (ch != 'E') {
- CROW_SET_ERRNO(HPE_INVALID_CONSTANT);
- goto error;
- }
-
- parser->type = HTTP_REQUEST;
- parser->method = HTTP_HEAD;
- parser->index = 2;
- parser->state = s_req_method;
- }
- break;
-
- case s_start_res:
- {
- parser->flags = 0;
- parser->content_length = CROW_ULLONG_MAX;
-
- switch (ch) {
- case 'H':
- parser->state = s_res_H;
- break;
-
- case CROW_CR:
- case CROW_LF:
- break;
-
- default:
- CROW_SET_ERRNO(HPE_INVALID_CONSTANT);
- goto error;
- }
-
- CROW_CALLBACK_NOTIFY(message_begin);
- break;
- }
-
- case s_res_H:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_res_HT;
- break;
-
- case s_res_HT:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_res_HTT;
- break;
-
- case s_res_HTT:
- CROW_STRICT_CHECK(ch != 'P');
- parser->state = s_res_HTTP;
- break;
-
- case s_res_HTTP:
- CROW_STRICT_CHECK(ch != '/');
- parser->state = s_res_first_http_major;
- break;
-
- case s_res_first_http_major:
- if (ch < '0' || ch > '9') {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major = ch - '0';
- parser->state = s_res_http_major;
- break;
-
- /* major HTTP version or dot */
- case s_res_http_major:
- {
- if (ch == '.') {
- parser->state = s_res_first_http_minor;
- break;
- }
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major *= 10;
- parser->http_major += ch - '0';
-
- if (parser->http_major > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- /* first digit of minor HTTP version */
- case s_res_first_http_minor:
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor = ch - '0';
- parser->state = s_res_http_minor;
- break;
-
- /* minor HTTP version or end of request line */
- case s_res_http_minor:
- {
- if (ch == ' ') {
- parser->state = s_res_first_status_code;
- break;
- }
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor *= 10;
- parser->http_minor += ch - '0';
-
- if (parser->http_minor > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- case s_res_first_status_code:
- {
- if (!CROW_IS_NUM(ch)) {
- if (ch == ' ') {
- break;
- }
-
- CROW_SET_ERRNO(HPE_INVALID_STATUS);
- goto error;
- }
- parser->status_code = ch - '0';
- parser->state = s_res_status_code;
- break;
- }
-
- case s_res_status_code:
- {
- if (!CROW_IS_NUM(ch)) {
- switch (ch) {
- case ' ':
- parser->state = s_res_status_start;
- break;
- case CROW_CR:
- parser->state = s_res_line_almost_done;
- break;
- case CROW_LF:
- parser->state = s_header_field_start;
- break;
- default:
- CROW_SET_ERRNO(HPE_INVALID_STATUS);
- goto error;
- }
- break;
- }
-
- parser->status_code *= 10;
- parser->status_code += ch - '0';
-
- if (parser->status_code > 999) {
- CROW_SET_ERRNO(HPE_INVALID_STATUS);
- goto error;
- }
-
- break;
- }
-
- case s_res_status_start:
- {
- if (ch == CROW_CR) {
- parser->state = s_res_line_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- break;
- }
-
- CROW_MARK(status);
- parser->state = s_res_status;
- parser->index = 0;
- break;
- }
-
- case s_res_status:
- if (ch == CROW_CR) {
- parser->state = s_res_line_almost_done;
- CROW_CALLBACK_DATA(status);
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- CROW_CALLBACK_DATA(status);
- break;
- }
-
- break;
-
- case s_res_line_almost_done:
- CROW_STRICT_CHECK(ch != CROW_LF);
- parser->state = s_header_field_start;
- break;
-
- case s_start_req:
- {
- if (ch == CROW_CR || ch == CROW_LF)
- break;
- parser->flags = 0;
- parser->content_length = CROW_ULLONG_MAX;
-
- if (!CROW_IS_ALPHA(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
-
- parser->method = (enum http_method) 0;
- parser->index = 1;
- switch (ch) {
- case 'C': parser->method = HTTP_CONNECT; /* or COPY, CHECKOUT */ break;
- case 'D': parser->method = HTTP_DELETE; break;
- case 'G': parser->method = HTTP_GET; break;
- case 'H': parser->method = HTTP_HEAD; break;
- case 'L': parser->method = HTTP_LOCK; break;
- case 'M': parser->method = HTTP_MKCOL; /* or MOVE, MKACTIVITY, MERGE, M-SEARCH, MKCALENDAR */ break;
- case 'N': parser->method = HTTP_NOTIFY; break;
- case 'O': parser->method = HTTP_OPTIONS; break;
- case 'P': parser->method = HTTP_POST;
- /* or PROPFIND|PROPPATCH|PUT|PATCH|PURGE */
- break;
- case 'R': parser->method = HTTP_REPORT; break;
- case 'S': parser->method = HTTP_SUBSCRIBE; /* or SEARCH */ break;
- case 'T': parser->method = HTTP_TRACE; break;
- case 'U': parser->method = HTTP_UNLOCK; /* or UNSUBSCRIBE */ break;
- default:
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- parser->state = s_req_method;
-
- CROW_CALLBACK_NOTIFY(message_begin);
-
- break;
- }
-
- case s_req_method:
- {
- const char *matcher;
- if (ch == '\0') {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
-
- matcher = method_strings[parser->method];
- if (ch == ' ' && matcher[parser->index] == '\0') {
- parser->state = s_req_spaces_before_url;
- } else if (ch == matcher[parser->index]) {
- ; /* nada */
- } else if (parser->method == HTTP_CONNECT) {
- if (parser->index == 1 && ch == 'H') {
- parser->method = HTTP_CHECKOUT;
- } else if (parser->index == 2 && ch == 'P') {
- parser->method = HTTP_COPY;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->method == HTTP_MKCOL) {
- if (parser->index == 1 && ch == 'O') {
- parser->method = HTTP_MOVE;
- } else if (parser->index == 1 && ch == 'E') {
- parser->method = HTTP_MERGE;
- } else if (parser->index == 1 && ch == '-') {
- parser->method = HTTP_MSEARCH;
- } else if (parser->index == 2 && ch == 'A') {
- parser->method = HTTP_MKACTIVITY;
- } else if (parser->index == 3 && ch == 'A') {
- parser->method = HTTP_MKCALENDAR;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->method == HTTP_SUBSCRIBE) {
- if (parser->index == 1 && ch == 'E') {
- parser->method = HTTP_SEARCH;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->index == 1 && parser->method == HTTP_POST) {
- if (ch == 'R') {
- parser->method = HTTP_PROPFIND; /* or HTTP_PROPPATCH */
- } else if (ch == 'U') {
- parser->method = HTTP_PUT; /* or HTTP_PURGE */
- } else if (ch == 'A') {
- parser->method = HTTP_PATCH;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->index == 2) {
- if (parser->method == HTTP_PUT) {
- if (ch == 'R') {
- parser->method = HTTP_PURGE;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->method == HTTP_UNLOCK) {
- if (ch == 'S') {
- parser->method = HTTP_UNSUBSCRIBE;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
- } else if (parser->index == 4 && parser->method == HTTP_PROPFIND && ch == 'P') {
- parser->method = HTTP_PROPPATCH;
- } else {
- CROW_SET_ERRNO(HPE_INVALID_METHOD);
- goto error;
- }
-
- ++parser->index;
- break;
- }
-
- case s_req_spaces_before_url:
- {
- if (ch == ' ') break;
-
- CROW_MARK(url);
- if (parser->method == HTTP_CONNECT) {
- parser->state = s_req_server_start;
- }
-
- parser->state = parse_url_char((enum state)parser->state, ch);
- if (parser->state == s_dead) {
- CROW_SET_ERRNO(HPE_INVALID_URL);
- goto error;
- }
-
- break;
- }
-
- case s_req_schema:
- case s_req_schema_slash:
- case s_req_schema_slash_slash:
- case s_req_server_start:
- {
- switch (ch) {
- /* No whitespace allowed here */
- case ' ':
- case CROW_CR:
- case CROW_LF:
- CROW_SET_ERRNO(HPE_INVALID_URL);
- goto error;
- default:
- parser->state = parse_url_char((enum state)parser->state, ch);
- if (parser->state == s_dead) {
- CROW_SET_ERRNO(HPE_INVALID_URL);
- goto error;
- }
- }
-
- break;
- }
-
- case s_req_server:
- case s_req_server_with_at:
- case s_req_path:
- case s_req_query_string_start:
- case s_req_query_string:
- case s_req_fragment_start:
- case s_req_fragment:
- {
- switch (ch) {
- case ' ':
- parser->state = s_req_http_start;
- CROW_CALLBACK_DATA(url);
- break;
- case CROW_CR:
- case CROW_LF:
- parser->http_major = 0;
- parser->http_minor = 9;
- parser->state = (ch == CROW_CR) ?
- s_req_line_almost_done :
- s_header_field_start;
- CROW_CALLBACK_DATA(url);
- break;
- default:
- parser->state = parse_url_char((enum state)parser->state, ch);
- if (parser->state == s_dead) {
- CROW_SET_ERRNO(HPE_INVALID_URL);
- goto error;
- }
- }
- break;
- }
-
- case s_req_http_start:
- switch (ch) {
- case 'H':
- parser->state = s_req_http_H;
- break;
- case ' ':
- break;
- default:
- CROW_SET_ERRNO(HPE_INVALID_CONSTANT);
- goto error;
- }
- break;
-
- case s_req_http_H:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_req_http_HT;
- break;
-
- case s_req_http_HT:
- CROW_STRICT_CHECK(ch != 'T');
- parser->state = s_req_http_HTT;
- break;
-
- case s_req_http_HTT:
- CROW_STRICT_CHECK(ch != 'P');
- parser->state = s_req_http_HTTP;
- break;
-
- case s_req_http_HTTP:
- CROW_STRICT_CHECK(ch != '/');
- parser->state = s_req_first_http_major;
- break;
-
- /* first digit of major HTTP version */
- case s_req_first_http_major:
- if (ch < '1' || ch > '9') {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major = ch - '0';
- parser->state = s_req_http_major;
- break;
-
- /* major HTTP version or dot */
- case s_req_http_major:
- {
- if (ch == '.') {
- parser->state = s_req_first_http_minor;
- break;
- }
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_major *= 10;
- parser->http_major += ch - '0';
-
- if (parser->http_major > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- /* first digit of minor HTTP version */
- case s_req_first_http_minor:
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor = ch - '0';
- parser->state = s_req_http_minor;
- break;
-
- /* minor HTTP version or end of request line */
- case s_req_http_minor:
- {
- if (ch == CROW_CR) {
- parser->state = s_req_line_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- break;
- }
-
- /* XXX allow spaces after digit? */
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- parser->http_minor *= 10;
- parser->http_minor += ch - '0';
-
- if (parser->http_minor > 999) {
- CROW_SET_ERRNO(HPE_INVALID_VERSION);
- goto error;
- }
-
- break;
- }
-
- /* end of request line */
- case s_req_line_almost_done:
- {
- if (ch != CROW_LF) {
- CROW_SET_ERRNO(HPE_LF_EXPECTED);
- goto error;
- }
-
- parser->state = s_header_field_start;
- break;
- }
-
- case s_header_field_start:
- {
- if (ch == CROW_CR) {
- parser->state = s_headers_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- /* they might be just sending \n instead of \r\n so this would be
- * the second \n to denote the end of headers*/
- parser->state = s_headers_almost_done;
- goto reexecute_byte;
- }
-
- c = CROW_TOKEN(ch);
-
- if (!c) {
- CROW_SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
- goto error;
- }
-
- CROW_MARK(header_field);
-
- parser->index = 0;
- parser->state = s_header_field;
-
- switch (c) {
- case 'c':
- parser->header_state = h_C;
- break;
-
- case 'p':
- parser->header_state = h_matching_proxy_connection;
- break;
-
- case 't':
- parser->header_state = h_matching_transfer_encoding;
- break;
-
- case 'u':
- parser->header_state = h_matching_upgrade;
- break;
-
- default:
- parser->header_state = h_general;
- break;
- }
- break;
- }
-
- case s_header_field:
- {
- c = CROW_TOKEN(ch);
-
- if (c) {
- switch (parser->header_state) {
- case h_general:
- break;
-
- case h_C:
- parser->index++;
- parser->header_state = (c == 'o' ? h_CO : h_general);
- break;
-
- case h_CO:
- parser->index++;
- parser->header_state = (c == 'n' ? h_CON : h_general);
- break;
-
- case h_CON:
- parser->index++;
- switch (c) {
- case 'n':
- parser->header_state = h_matching_connection;
- break;
- case 't':
- parser->header_state = h_matching_content_length;
- break;
- default:
- parser->header_state = h_general;
- break;
- }
- break;
-
- /* connection */
-
- case h_matching_connection:
- parser->index++;
- if (parser->index > sizeof(CROW_CONNECTION)-1
- || c != CROW_CONNECTION[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CONNECTION)-2) {
- parser->header_state = h_connection;
- }
- break;
-
- /* proxy-connection */
-
- case h_matching_proxy_connection:
- parser->index++;
- if (parser->index > sizeof(CROW_PROXY_CONNECTION)-1
- || c != CROW_PROXY_CONNECTION[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_PROXY_CONNECTION)-2) {
- parser->header_state = h_connection;
- }
- break;
-
- /* content-length */
-
- case h_matching_content_length:
- parser->index++;
- if (parser->index > sizeof(CROW_CONTENT_LENGTH)-1
- || c != CROW_CONTENT_LENGTH[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CONTENT_LENGTH)-2) {
- parser->header_state = h_content_length;
- }
- break;
-
- /* transfer-encoding */
-
- case h_matching_transfer_encoding:
- parser->index++;
- if (parser->index > sizeof(CROW_TRANSFER_ENCODING)-1
- || c != CROW_TRANSFER_ENCODING[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_TRANSFER_ENCODING)-2) {
- parser->header_state = h_transfer_encoding;
- }
- break;
-
- /* upgrade */
-
- case h_matching_upgrade:
- parser->index++;
- if (parser->index > sizeof(CROW_UPGRADE)-1
- || c != CROW_UPGRADE[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_UPGRADE)-2) {
- parser->header_state = h_upgrade;
- }
- break;
-
- case h_connection:
- case h_content_length:
- case h_transfer_encoding:
- case h_upgrade:
- if (ch != ' ') parser->header_state = h_general;
- break;
-
- default:
- assert(0 && "Unknown header_state");
- break;
- }
- break;
- }
-
- if (ch == ':') {
- parser->state = s_header_value_discard_ws;
- CROW_CALLBACK_DATA(header_field);
- break;
- }
-
- if (ch == CROW_CR) {
- parser->state = s_header_almost_done;
- CROW_CALLBACK_DATA(header_field);
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_field_start;
- CROW_CALLBACK_DATA(header_field);
- break;
- }
-
- CROW_SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
- goto error;
- }
-
- case s_header_value_discard_ws:
- if (ch == ' ' || ch == '\t') break;
-
- if (ch == CROW_CR) {
- parser->state = s_header_value_discard_ws_almost_done;
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_value_discard_lws;
- break;
- }
-
- /* FALLTHROUGH */
-
- case s_header_value_start:
- {
- CROW_MARK(header_value);
-
- parser->state = s_header_value;
- parser->index = 0;
-
- c = CROW_LOWER(ch);
-
- switch (parser->header_state) {
- case h_upgrade:
- parser->flags |= F_UPGRADE;
- parser->header_state = h_general;
- break;
-
- case h_transfer_encoding:
- /* looking for 'Transfer-Encoding: chunked' */
- if ('c' == c) {
- parser->header_state = h_matching_transfer_encoding_chunked;
- } else {
- parser->header_state = h_general;
- }
- break;
-
- case h_content_length:
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- parser->content_length = ch - '0';
- break;
-
- case h_connection:
- /* looking for 'Connection: keep-alive' */
- if (c == 'k') {
- parser->header_state = h_matching_connection_keep_alive;
- /* looking for 'Connection: close' */
- } else if (c == 'c') {
- parser->header_state = h_matching_connection_close;
- } else {
- parser->header_state = h_general;
- }
- break;
-
- default:
- parser->header_state = h_general;
- break;
- }
- break;
- }
-
- case s_header_value:
- {
-
- if (ch == CROW_CR) {
- parser->state = s_header_almost_done;
- CROW_CALLBACK_DATA(header_value);
- break;
- }
-
- if (ch == CROW_LF) {
- parser->state = s_header_almost_done;
- CROW_CALLBACK_DATA_NOADVANCE(header_value);
- goto reexecute_byte;
- }
-
- c = CROW_LOWER(ch);
-
- switch (parser->header_state) {
- case h_general:
- break;
-
- case h_connection:
- case h_transfer_encoding:
- assert(0 && "Shouldn't get here.");
- break;
-
- case h_content_length:
- {
- uint64_t t;
-
- if (ch == ' ') break;
-
- if (!CROW_IS_NUM(ch)) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- t = parser->content_length;
- t *= 10;
- t += ch - '0';
-
- /* Overflow? Test against a conservative limit for simplicity. */
- if ((CROW_ULLONG_MAX - 10) / 10 < parser->content_length) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- parser->content_length = t;
- break;
- }
-
- /* Transfer-Encoding: chunked */
- case h_matching_transfer_encoding_chunked:
- parser->index++;
- if (parser->index > sizeof(CROW_CHUNKED)-1
- || c != CROW_CHUNKED[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CHUNKED)-2) {
- parser->header_state = h_transfer_encoding_chunked;
- }
- break;
-
- /* looking for 'Connection: keep-alive' */
- case h_matching_connection_keep_alive:
- parser->index++;
- if (parser->index > sizeof(CROW_KEEP_ALIVE)-1
- || c != CROW_KEEP_ALIVE[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_KEEP_ALIVE)-2) {
- parser->header_state = h_connection_keep_alive;
- }
- break;
-
- /* looking for 'Connection: close' */
- case h_matching_connection_close:
- parser->index++;
- if (parser->index > sizeof(CROW_CLOSE)-1 || c != CROW_CLOSE[parser->index]) {
- parser->header_state = h_general;
- } else if (parser->index == sizeof(CROW_CLOSE)-2) {
- parser->header_state = h_connection_close;
- }
- break;
-
- case h_transfer_encoding_chunked:
- case h_connection_keep_alive:
- case h_connection_close:
- if (ch != ' ') parser->header_state = h_general;
- break;
-
- default:
- parser->state = s_header_value;
- parser->header_state = h_general;
- break;
- }
- break;
- }
-
- case s_header_almost_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- parser->state = s_header_value_lws;
- break;
- }
-
- case s_header_value_lws:
- {
- if (ch == ' ' || ch == '\t') {
- parser->state = s_header_value_start;
- goto reexecute_byte;
- }
-
- /* finished the header */
- switch (parser->header_state) {
- case h_connection_keep_alive:
- parser->flags |= F_CONNECTION_KEEP_ALIVE;
- break;
- case h_connection_close:
- parser->flags |= F_CONNECTION_CLOSE;
- break;
- case h_transfer_encoding_chunked:
- parser->flags |= F_CHUNKED;
- break;
- default:
- break;
- }
-
- parser->state = s_header_field_start;
- goto reexecute_byte;
- }
-
- case s_header_value_discard_ws_almost_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
- parser->state = s_header_value_discard_lws;
- break;
- }
-
- case s_header_value_discard_lws:
- {
- if (ch == ' ' || ch == '\t') {
- parser->state = s_header_value_discard_ws;
- break;
- } else {
- /* header value was empty */
- CROW_MARK(header_value);
- parser->state = s_header_field_start;
- CROW_CALLBACK_DATA_NOADVANCE(header_value);
- goto reexecute_byte;
- }
- }
-
- case s_headers_almost_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- if (parser->flags & F_TRAILING) {
- /* End of a chunked request */
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- break;
- }
-
- parser->state = s_headers_done;
-
- /* Set this here so that on_headers_complete() callbacks can see it */
- parser->upgrade =
- (parser->flags & F_UPGRADE || parser->method == HTTP_CONNECT);
-
- /* Here we call the headers_complete callback. This is somewhat
- * different than other callbacks because if the user returns 1, we
- * will interpret that as saying that this message has no body. This
- * is needed for the annoying case of recieving a response to a HEAD
- * request.
- *
- * We'd like to use CROW_CALLBACK_NOTIFY_NOADVANCE() here but we cannot, so
- * we have to simulate it by handling a change in errno below.
- */
- if (settings->on_headers_complete) {
- switch (settings->on_headers_complete(parser)) {
- case 0:
- break;
-
- case 1:
- parser->flags |= F_SKIPBODY;
- break;
-
- default:
- CROW_SET_ERRNO(HPE_CB_headers_complete);
- return p - data; /* Error */
- }
- }
-
- if (CROW_HTTP_PARSER_ERRNO(parser) != HPE_OK) {
- return p - data;
- }
-
- goto reexecute_byte;
- }
-
- case s_headers_done:
- {
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- parser->nread = 0;
-
- /* Exit, the rest of the connect is in a different protocol. */
- if (parser->upgrade) {
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- return (p - data) + 1;
- }
-
- if (parser->flags & F_SKIPBODY) {
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- } else if (parser->flags & F_CHUNKED) {
- /* chunked encoding - ignore Content-Length header */
- parser->state = s_chunk_size_start;
- } else {
- if (parser->content_length == 0) {
- /* Content-Length header given but zero: Content-Length: 0\r\n */
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- } else if (parser->content_length != CROW_ULLONG_MAX) {
- /* Content-Length header given and non-zero */
- parser->state = s_body_identity;
- } else {
- if (parser->type == HTTP_REQUEST ||
- !http_message_needs_eof(parser)) {
- /* Assume content-length 0 - read the next */
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- } else {
- /* Read body until EOF */
- parser->state = s_body_identity_eof;
- }
- }
- }
-
- break;
- }
-
- case s_body_identity:
- {
- uint64_t to_read = CROW_MIN(parser->content_length,
- (uint64_t) ((data + len) - p));
-
- assert(parser->content_length != 0
- && parser->content_length != CROW_ULLONG_MAX);
-
- /* The difference between advancing content_length and p is because
- * the latter will automaticaly advance on the next loop iteration.
- * Further, if content_length ends up at 0, we want to see the last
- * byte again for our message complete callback.
- */
- CROW_MARK(body);
- parser->content_length -= to_read;
- p += to_read - 1;
-
- if (parser->content_length == 0) {
- parser->state = s_message_done;
-
- /* Mimic CROW_CALLBACK_DATA_NOADVANCE() but with one extra byte.
- *
- * The alternative to doing this is to wait for the next byte to
- * trigger the data callback, just as in every other case. The
- * problem with this is that this makes it difficult for the test
- * harness to distinguish between complete-on-EOF and
- * complete-on-length. It's not clear that this distinction is
- * important for applications, but let's keep it for now.
- */
- CROW_CALLBACK_DATA_(body, p - body_mark + 1, p - data);
- goto reexecute_byte;
- }
-
- break;
- }
-
- /* read until EOF */
- case s_body_identity_eof:
- CROW_MARK(body);
- p = data + len - 1;
-
- break;
-
- case s_message_done:
- parser->state = CROW_NEW_MESSAGE();
- CROW_CALLBACK_NOTIFY(message_complete);
- break;
-
- case s_chunk_size_start:
- {
- assert(parser->nread == 1);
- assert(parser->flags & F_CHUNKED);
-
- unhex_val = unhex[(unsigned char)ch];
- if (unhex_val == -1) {
- CROW_SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
- goto error;
- }
-
- parser->content_length = unhex_val;
- parser->state = s_chunk_size;
- break;
- }
-
- case s_chunk_size:
- {
- uint64_t t;
-
- assert(parser->flags & F_CHUNKED);
-
- if (ch == CROW_CR) {
- parser->state = s_chunk_size_almost_done;
- break;
- }
-
- unhex_val = unhex[(unsigned char)ch];
-
- if (unhex_val == -1) {
- if (ch == ';' || ch == ' ') {
- parser->state = s_chunk_parameters;
- break;
- }
-
- CROW_SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
- goto error;
- }
-
- t = parser->content_length;
- t *= 16;
- t += unhex_val;
-
- /* Overflow? Test against a conservative limit for simplicity. */
- if ((CROW_ULLONG_MAX - 16) / 16 < parser->content_length) {
- CROW_SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
- goto error;
- }
-
- parser->content_length = t;
- break;
- }
-
- case s_chunk_parameters:
- {
- assert(parser->flags & F_CHUNKED);
- /* just ignore this shit. TODO check for overflow */
- if (ch == CROW_CR) {
- parser->state = s_chunk_size_almost_done;
- break;
- }
- break;
- }
-
- case s_chunk_size_almost_done:
- {
- assert(parser->flags & F_CHUNKED);
- CROW_STRICT_CHECK(ch != CROW_LF);
-
- parser->nread = 0;
-
- if (parser->content_length == 0) {
- parser->flags |= F_TRAILING;
- parser->state = s_header_field_start;
- } else {
- parser->state = s_chunk_data;
- }
- break;
- }
-
- case s_chunk_data:
- {
- uint64_t to_read = CROW_MIN(parser->content_length,
- (uint64_t) ((data + len) - p));
-
- assert(parser->flags & F_CHUNKED);
- assert(parser->content_length != 0
- && parser->content_length != CROW_ULLONG_MAX);
-
- /* See the explanation in s_body_identity for why the content
- * length and data pointers are managed this way.
- */
- CROW_MARK(body);
- parser->content_length -= to_read;
- p += to_read - 1;
-
- if (parser->content_length == 0) {
- parser->state = s_chunk_data_almost_done;
- }
-
- break;
- }
-
- case s_chunk_data_almost_done:
- assert(parser->flags & F_CHUNKED);
- assert(parser->content_length == 0);
- CROW_STRICT_CHECK(ch != CROW_CR);
- parser->state = s_chunk_data_done;
- CROW_CALLBACK_DATA(body);
- break;
-
- case s_chunk_data_done:
- assert(parser->flags & F_CHUNKED);
- CROW_STRICT_CHECK(ch != CROW_LF);
- parser->nread = 0;
- parser->state = s_chunk_size_start;
- break;
-
- default:
- assert(0 && "unhandled state");
- CROW_SET_ERRNO(HPE_INVALID_INTERNAL_STATE);
- goto error;
- }
- }
-
- /* Run callbacks for any marks that we have leftover after we ran our of
- * bytes. There should be at most one of these set, so it's OK to invoke
- * them in series (unset marks will not result in callbacks).
- *
- * We use the NOADVANCE() variety of callbacks here because 'p' has already
- * overflowed 'data' and this allows us to correct for the off-by-one that
- * we'd otherwise have (since CROW_CALLBACK_DATA() is meant to be run with a 'p'
- * value that's in-bounds).
- */
-
- assert(((header_field_mark ? 1 : 0) +
- (header_value_mark ? 1 : 0) +
- (url_mark ? 1 : 0) +
- (body_mark ? 1 : 0) +
- (status_mark ? 1 : 0)) <= 1);
-
- CROW_CALLBACK_DATA_NOADVANCE(header_field);
- CROW_CALLBACK_DATA_NOADVANCE(header_value);
- CROW_CALLBACK_DATA_NOADVANCE(url);
- CROW_CALLBACK_DATA_NOADVANCE(body);
- CROW_CALLBACK_DATA_NOADVANCE(status);
-
- return len;
-
-error:
- if (CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK) {
- CROW_SET_ERRNO(HPE_UNKNOWN);
- }
-
- return (p - data);
-}
-
-
-/* Does the parser need to see an EOF to find the end of the message? */
-inline int
-http_message_needs_eof (const http_parser *parser)
-{
- if (parser->type == HTTP_REQUEST) {
- return 0;
- }
-
- /* See RFC 2616 section 4.4 */
- if (parser->status_code / 100 == 1 || /* 1xx e.g. Continue */
- parser->status_code == 204 || /* No Content */
- parser->status_code == 304 || /* Not Modified */
- parser->flags & F_SKIPBODY) { /* response to a HEAD request */
- return 0;
- }
-
- if ((parser->flags & F_CHUNKED) || parser->content_length != CROW_ULLONG_MAX) {
- return 0;
- }
-
- return 1;
-}
-
-
-inline int
-http_should_keep_alive (const http_parser *parser)
-{
- if (parser->http_major > 0 && parser->http_minor > 0) {
- /* HTTP/1.1 */
- if (parser->flags & F_CONNECTION_CLOSE) {
- return 0;
- }
- } else {
- /* HTTP/1.0 or earlier */
- if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) {
- return 0;
- }
- }
-
- return !http_message_needs_eof(parser);
-}
-
-
-inline const char *
-http_method_str (enum http_method m)
-{
-static const char *method_strings[] =
- {
-#define CROW_XX(num, name, string) #string,
- CROW_HTTP_METHOD_MAP(CROW_XX)
-#undef CROW_XX
- };
- return CROW_ELEM_AT(method_strings, m, "<unknown>");
-}
-
-
-inline void
-http_parser_init (http_parser *parser, enum http_parser_type t)
-{
- void *data = parser->data; /* preserve application data */
- memset(parser, 0, sizeof(*parser));
- parser->data = data;
- parser->type = t;
- parser->state = (t == HTTP_REQUEST ? s_start_req : (t == HTTP_RESPONSE ? s_start_res : s_start_req_or_res));
- parser->http_errno = HPE_OK;
-}
-
-inline const char *
-http_errno_name(enum http_errno err) {
-/* Map errno values to strings for human-readable output */
-#define CROW_HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
-static struct {
- const char *name;
- const char *description;
-} http_strerror_tab[] = {
- CROW_HTTP_ERRNO_MAP(CROW_HTTP_STRERROR_GEN)
-};
-#undef CROW_HTTP_STRERROR_GEN
- assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0])));
- return http_strerror_tab[err].name;
-}
-
-inline const char *
-http_errno_description(enum http_errno err) {
-/* Map errno values to strings for human-readable output */
-#define CROW_HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
-static struct {
- const char *name;
- const char *description;
-} http_strerror_tab[] = {
- CROW_HTTP_ERRNO_MAP(CROW_HTTP_STRERROR_GEN)
-};
-#undef CROW_HTTP_STRERROR_GEN
- assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0])));
- return http_strerror_tab[err].description;
-}
-
-inline static enum http_host_state
-http_parse_host_char(enum http_host_state s, const char ch) {
- switch(s) {
- case s_http_userinfo:
- case s_http_userinfo_start:
- if (ch == '@') {
- return s_http_host_start;
- }
-
- if (CROW_IS_USERINFO_CHAR(ch)) {
- return s_http_userinfo;
- }
- break;
-
- case s_http_host_start:
- if (ch == '[') {
- return s_http_host_v6_start;
- }
-
- if (CROW_IS_HOST_CHAR(ch)) {
- return s_http_host;
- }
-
- break;
-
- case s_http_host:
- if (CROW_IS_HOST_CHAR(ch)) {
- return s_http_host;
- }
-
- /* FALLTHROUGH */
- case s_http_host_v6_end:
- if (ch == ':') {
- return s_http_host_port_start;
- }
-
- break;
-
- case s_http_host_v6:
- if (ch == ']') {
- return s_http_host_v6_end;
- }
-
- /* FALLTHROUGH */
- case s_http_host_v6_start:
- if (CROW_IS_HEX(ch) || ch == ':' || ch == '.') {
- return s_http_host_v6;
- }
-
- break;
-
- case s_http_host_port:
- case s_http_host_port_start:
- if (CROW_IS_NUM(ch)) {
- return s_http_host_port;
- }
-
- break;
-
- default:
- break;
- }
- return s_http_host_dead;
-}
-
-inline int
-http_parse_host(const char * buf, struct http_parser_url *u, int found_at) {
- enum http_host_state s;
-
- const char *p;
- size_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len;
-
- u->field_data[UF_HOST].len = 0;
-
- s = found_at ? s_http_userinfo_start : s_http_host_start;
-
- for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) {
- enum http_host_state new_s = http_parse_host_char(s, *p);
-
- if (new_s == s_http_host_dead) {
- return 1;
- }
-
- switch(new_s) {
- case s_http_host:
- if (s != s_http_host) {
- u->field_data[UF_HOST].off = p - buf;
- }
- u->field_data[UF_HOST].len++;
- break;
-
- case s_http_host_v6:
- if (s != s_http_host_v6) {
- u->field_data[UF_HOST].off = p - buf;
- }
- u->field_data[UF_HOST].len++;
- break;
-
- case s_http_host_port:
- if (s != s_http_host_port) {
- u->field_data[UF_PORT].off = p - buf;
- u->field_data[UF_PORT].len = 0;
- u->field_set |= (1 << UF_PORT);
- }
- u->field_data[UF_PORT].len++;
- break;
-
- case s_http_userinfo:
- if (s != s_http_userinfo) {
- u->field_data[UF_USERINFO].off = p - buf ;
- u->field_data[UF_USERINFO].len = 0;
- u->field_set |= (1 << UF_USERINFO);
- }
- u->field_data[UF_USERINFO].len++;
- break;
-
- default:
- break;
- }
- s = new_s;
- }
-
- /* Make sure we don't end somewhere unexpected */
- switch (s) {
- case s_http_host_start:
- case s_http_host_v6_start:
- case s_http_host_v6:
- case s_http_host_port_start:
- case s_http_userinfo:
- case s_http_userinfo_start:
- return 1;
- default:
- break;
- }
-
- return 0;
-}
-
-inline int
-http_parser_parse_url(const char *buf, size_t buflen, int is_connect,
- struct http_parser_url *u)
-{
- enum state s;
- const char *p;
- enum http_parser_url_fields uf, old_uf;
- int found_at = 0;
-
- u->port = u->field_set = 0;
- s = is_connect ? s_req_server_start : s_req_spaces_before_url;
- old_uf = UF_MAX;
-
- for (p = buf; p < buf + buflen; p++) {
- s = parse_url_char(s, *p);
-
- /* Figure out the next field that we're operating on */
- switch (s) {
- case s_dead:
- return 1;
-
- /* Skip delimeters */
- case s_req_schema_slash:
- case s_req_schema_slash_slash:
- case s_req_server_start:
- case s_req_query_string_start:
- case s_req_fragment_start:
- continue;
-
- case s_req_schema:
- uf = UF_SCHEMA;
- break;
-
- case s_req_server_with_at:
- found_at = 1;
-
- /* FALLTROUGH */
- case s_req_server:
- uf = UF_HOST;
- break;
-
- case s_req_path:
- uf = UF_PATH;
- break;
-
- case s_req_query_string:
- uf = UF_QUERY;
- break;
-
- case s_req_fragment:
- uf = UF_FRAGMENT;
- break;
-
- default:
- assert(!"Unexpected state");
- return 1;
- }
-
- /* Nothing's changed; soldier on */
- if (uf == old_uf) {
- u->field_data[uf].len++;
- continue;
- }
-
- u->field_data[uf].off = p - buf;
- u->field_data[uf].len = 1;
-
- u->field_set |= (1 << uf);
- old_uf = uf;
- }
-
- /* host must be present if there is a schema */
- /* parsing http:///toto will fail */
- if ((u->field_set & ((1 << UF_SCHEMA) | (1 << UF_HOST))) != 0) {
- if (http_parse_host(buf, u, found_at) != 0) {
- return 1;
- }
- }
-
- /* CONNECT requests can only contain "hostname:port" */
- if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) {
- return 1;
- }
-
- if (u->field_set & (1 << UF_PORT)) {
- /* Don't bother with endp; we've already validated the string */
- unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10);
-
- /* Ports have a max value of 2^16 */
- if (v > 0xffff) {
- return 1;
- }
-
- u->port = (uint16_t) v;
- }
-
- return 0;
-}
-
-inline void
-http_parser_pause(http_parser *parser, int paused) {
- /* Users should only be pausing/unpausing a parser that is not in an error
- * state. In non-debug builds, there's not much that we can do about this
- * other than ignore it.
- */
- if (CROW_HTTP_PARSER_ERRNO(parser) == HPE_OK ||
- CROW_HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) {
- CROW_SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK);
- } else {
- assert(0 && "Attempting to pause parser in error state");
- }
-}
-
-inline int
-http_body_is_final(const struct http_parser *parser) {
- return parser->state == s_message_done;
-}
-
-inline unsigned long
-http_parser_version(void) {
- return CROW_HTTP_PARSER_VERSION_MAJOR * 0x10000 |
- CROW_HTTP_PARSER_VERSION_MINOR * 0x00100 |
- CROW_HTTP_PARSER_VERSION_PATCH * 0x00001;
-}
-
-#undef CROW_HTTP_METHOD_MAP
-#undef CROW_HTTP_ERRNO_MAP
-#undef CROW_SET_ERRNO
-#undef CROW_CALLBACK_NOTIFY_
-#undef CROW_CALLBACK_NOTIFY
-#undef CROW_CALLBACK_NOTIFY_NOADVANCE
-#undef CROW_CALLBACK_DATA_
-#undef CROW_CALLBACK_DATA
-#undef CROW_CALLBACK_DATA_NOADVANCE
-#undef CROW_MARK
-#undef CROW_PROXY_CONNECTION
-#undef CROW_CONNECTION
-#undef CROW_CONTENT_LENGTH
-#undef CROW_TRANSFER_ENCODING
-#undef CROW_UPGRADE
-#undef CROW_CHUNKED
-#undef CROW_KEEP_ALIVE
-#undef CROW_CLOSE
-#undef CROW_PARSING_HEADER
-#undef CROW_CR
-#undef CROW_LF
-#undef CROW_LOWER
-#undef CROW_IS_ALPHA
-#undef CROW_IS_NUM
-#undef CROW_IS_ALPHANUM
-#undef CROW_IS_HEX
-#undef CROW_IS_MARK
-#undef CROW_IS_USERINFO_CHAR
-#undef CROW_TOKEN
-#undef CROW_IS_URL_CHAR
-#undef CROW_IS_HOST_CHAR
-#undef CROW_start_state
-#undef CROW_STRICT_CHECK
-#undef CROW_NEW_MESSAGE
-
-#ifdef __cplusplus
-}
-#endif
-#endif
-
-
-
-#pragma once
-
-#include <boost/asio.hpp>
-#include <deque>
-#include <functional>
-#include <chrono>
-#include <thread>
-
-
-
-
-namespace crow
-{
- namespace detail
- {
- // fast timer queue for fixed tick value.
- class dumb_timer_queue
- {
- public:
- using key = std::pair<dumb_timer_queue*, int>;
-
- void cancel(key& k)
- {
- auto self = k.first;
- k.first = nullptr;
- if (!self)
- return;
-
- unsigned int index = (unsigned int)(k.second - self->step_);
- if (index < self->dq_.size())
- self->dq_[index].second = nullptr;
- }
-
- key add(std::function<void()> f)
- {
- dq_.emplace_back(std::chrono::steady_clock::now(), std::move(f));
- int ret = step_+dq_.size()-1;
-
- CROW_LOG_DEBUG << "timer add inside: " << this << ' ' << ret ;
- return {this, ret};
- }
-
- void process()
- {
- if (!io_service_)
- return;
-
- auto now = std::chrono::steady_clock::now();
- while(!dq_.empty())
- {
- auto& x = dq_.front();
- if (now - x.first < std::chrono::seconds(tick))
- break;
- if (x.second)
- {
- CROW_LOG_DEBUG << "timer call: " << this << ' ' << step_;
- // we know that timer handlers are very simple currenty; call here
- x.second();
- }
- dq_.pop_front();
- step_++;
- }
- }
-
- void set_io_service(boost::asio::io_service& io_service)
- {
- io_service_ = &io_service;
- }
-
- dumb_timer_queue() noexcept
- {
- }
-
- private:
-
- int tick{5};
- boost::asio::io_service* io_service_{};
- std::deque<std::pair<decltype(std::chrono::steady_clock::now()), std::function<void()>>> dq_;
- int step_{};
- };
- }
-}
-
-
-
-#pragma once
-
-#include <vector>
-#include <string>
-#include <stdexcept>
-#include <iostream>
-
-
-
-namespace crow
-{
- enum class HTTPMethod
- {
-#ifndef DELETE
- DELETE = 0,
- GET,
- HEAD,
- POST,
- PUT,
- CONNECT,
- OPTIONS,
- TRACE,
-#endif
-
- Delete = 0,
- Get,
- Head,
- Post,
- Put,
- Connect,
- Options,
- Trace,
- };
-
- inline std::string method_name(HTTPMethod method)
- {
- switch(method)
- {
- case HTTPMethod::Delete:
- return "DELETE";
- case HTTPMethod::Get:
- return "GET";
- case HTTPMethod::Head:
- return "HEAD";
- case HTTPMethod::Post:
- return "POST";
- case HTTPMethod::Put:
- return "PUT";
- case HTTPMethod::Connect:
- return "CONNECT";
- case HTTPMethod::Options:
- return "OPTIONS";
- case HTTPMethod::Trace:
- return "TRACE";
- }
- return "invalid";
- }
-
- enum class ParamType
- {
- INT,
- UINT,
- DOUBLE,
- STRING,
- PATH,
-
- MAX
- };
-
- struct routing_params
- {
- std::vector<int64_t> int_params;
- std::vector<uint64_t> uint_params;
- std::vector<double> double_params;
- std::vector<std::string> string_params;
-
- void debug_print() const
- {
- std::cerr << "routing_params" << std::endl;
- for(auto i:int_params)
- std::cerr<<i <<", " ;
- std::cerr<<std::endl;
- for(auto i:uint_params)
- std::cerr<<i <<", " ;
- std::cerr<<std::endl;
- for(auto i:double_params)
- std::cerr<<i <<", " ;
- std::cerr<<std::endl;
- for(auto& i:string_params)
- std::cerr<<i <<", " ;
- std::cerr<<std::endl;
- }
-
- template <typename T>
- T get(unsigned) const;
-
- };
-
- template<>
- inline int64_t routing_params::get<int64_t>(unsigned index) const
- {
- return int_params[index];
- }
-
- template<>
- inline uint64_t routing_params::get<uint64_t>(unsigned index) const
- {
- return uint_params[index];
- }
-
- template<>
- inline double routing_params::get<double>(unsigned index) const
- {
- return double_params[index];
- }
-
- template<>
- inline std::string routing_params::get<std::string>(unsigned index) const
- {
- return string_params[index];
- }
-}
-
-#ifndef CROW_MSVC_WORKAROUND
-constexpr crow::HTTPMethod operator "" _method(const char* str, size_t /*len*/)
-{
- return
- crow::black_magic::is_equ_p(str, "GET", 3) ? crow::HTTPMethod::Get :
- crow::black_magic::is_equ_p(str, "DELETE", 6) ? crow::HTTPMethod::Delete :
- crow::black_magic::is_equ_p(str, "HEAD", 4) ? crow::HTTPMethod::Head :
- crow::black_magic::is_equ_p(str, "POST", 4) ? crow::HTTPMethod::Post :
- crow::black_magic::is_equ_p(str, "PUT", 3) ? crow::HTTPMethod::Put :
- crow::black_magic::is_equ_p(str, "OPTIONS", 7) ? crow::HTTPMethod::Options :
- crow::black_magic::is_equ_p(str, "CONNECT", 7) ? crow::HTTPMethod::Connect :
- crow::black_magic::is_equ_p(str, "TRACE", 5) ? crow::HTTPMethod::Trace :
- throw std::runtime_error("invalid http method");
-}
-#endif
-
-
-
-#pragma once
-
-#include <boost/algorithm/string/predicate.hpp>
-#include <boost/functional/hash.hpp>
-#include <unordered_map>
-
-namespace crow
-{
- struct ci_hash
- {
- size_t operator()(const std::string& key) const
- {
- std::size_t seed = 0;
- std::locale locale;
-
- for(auto c : key)
- {
- boost::hash_combine(seed, std::toupper(c, locale));
- }
-
- return seed;
- }
- };
-
- struct ci_key_eq
- {
- bool operator()(const std::string& l, const std::string& r) const
- {
- return boost::iequals(l, r);
- }
- };
-
- using ci_map = std::unordered_multimap<std::string, std::string, ci_hash, ci_key_eq>;
-}
-
-
-
-#pragma once
-
-#include <boost/asio.hpp>
-
-
-
-
-
-
-
-
-namespace crow
-{
- template <typename T>
- inline const std::string& get_header_value(const T& headers, const std::string& key)
- {
- if (headers.count(key))
- {
- return headers.find(key)->second;
- }
- static std::string empty;
- return empty;
- }
-
- struct DetachHelper;
-
- struct request
- {
- HTTPMethod method;
- std::string raw_url;
- std::string url;
- query_string url_params;
- ci_map headers;
- std::string body;
-
- void* middleware_context{};
- boost::asio::io_service* io_service{};
-
- request()
- : method(HTTPMethod::Get)
- {
- }
-
- request(HTTPMethod method, std::string raw_url, std::string url, query_string url_params, ci_map headers, std::string body)
- : method(method), raw_url(std::move(raw_url)), url(std::move(url)), url_params(std::move(url_params)), headers(std::move(headers)), body(std::move(body))
- {
- }
-
- void add_header(std::string key, std::string value)
- {
- headers.emplace(std::move(key), std::move(value));
- }
-
- const std::string& get_header_value(const std::string& key) const
- {
- return crow::get_header_value(headers, key);
- }
-
- template<typename CompletionHandler>
- void post(CompletionHandler handler)
- {
- io_service->post(handler);
- }
-
- template<typename CompletionHandler>
- void dispatch(CompletionHandler handler)
- {
- io_service->dispatch(handler);
- }
-
- };
-}
-
-
-
-#pragma once
-#include <boost/algorithm/string/predicate.hpp>
-
-
-
-
-
-
-
-namespace crow
-{
- namespace websocket
- {
- enum class WebSocketReadState
- {
- MiniHeader,
- Len16,
- Len64,
- Mask,
- Payload,
- };
-
- struct connection
- {
- virtual void send_binary(const std::string& msg) = 0;
- virtual void send_text(const std::string& msg) = 0;
- virtual void close(const std::string& msg = "quit") = 0;
- virtual ~connection(){}
-
- void userdata(void* u) { userdata_ = u; }
- void* userdata() { return userdata_; }
-
- private:
- void* userdata_;
- };
-
- template <typename Adaptor>
- class Connection : public connection
- {
- public:
- Connection(const crow::request& req, Adaptor&& adaptor,
- std::function<void(crow::websocket::connection&)> open_handler,
- std::function<void(crow::websocket::connection&, const std::string&, bool)> message_handler,
- std::function<void(crow::websocket::connection&, const std::string&)> close_handler,
- std::function<void(crow::websocket::connection&)> error_handler)
- : adaptor_(std::move(adaptor)), open_handler_(std::move(open_handler)), message_handler_(std::move(message_handler)), close_handler_(std::move(close_handler)), error_handler_(std::move(error_handler))
- {
- if (!boost::iequals(req.get_header_value("upgrade"), "websocket"))
- {
- adaptor.close();
- delete this;
- return;
- }
- // Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==
- // Sec-WebSocket-Version: 13
- std::string magic = req.get_header_value("Sec-WebSocket-Key") + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
- sha1::SHA1 s;
- s.processBytes(magic.data(), magic.size());
- uint8_t digest[20];
- s.getDigestBytes(digest);
- start(crow::utility::base64encode((char*)digest, 20));
- }
-
- template<typename CompletionHandler>
- void dispatch(CompletionHandler handler)
- {
- adaptor_.get_io_service().dispatch(handler);
- }
-
- template<typename CompletionHandler>
- void post(CompletionHandler handler)
- {
- adaptor_.get_io_service().post(handler);
- }
-
- void send_pong(const std::string& msg)
- {
- dispatch([this, msg]{
- char buf[3] = "\x8A\x00";
- buf[1] += msg.size();
- write_buffers_.emplace_back(buf, buf+2);
- write_buffers_.emplace_back(msg);
- do_write();
- });
- }
-
- void send_binary(const std::string& msg) override
- {
- dispatch([this, msg]{
- auto header = build_header(2, msg.size());
- write_buffers_.emplace_back(std::move(header));
- write_buffers_.emplace_back(msg);
- do_write();
- });
- }
-
- void send_text(const std::string& msg) override
- {
- dispatch([this, msg]{
- auto header = build_header(1, msg.size());
- write_buffers_.emplace_back(std::move(header));
- write_buffers_.emplace_back(msg);
- do_write();
- });
- }
-
- void close(const std::string& msg) override
- {
- dispatch([this, msg]{
- has_sent_close_ = true;
- if (has_recv_close_ && !is_close_handler_called_)
- {
- is_close_handler_called_ = true;
- if (close_handler_)
- close_handler_(*this, msg);
- }
- auto header = build_header(0x8, msg.size());
- write_buffers_.emplace_back(std::move(header));
- write_buffers_.emplace_back(msg);
- do_write();
- });
- }
-
- protected:
-
- std::string build_header(int opcode, size_t size)
- {
- char buf[2+8] = "\x80\x00";
- buf[0] += opcode;
- if (size < 126)
- {
- buf[1] += size;
- return {buf, buf+2};
- }
- else if (size < 0x10000)
- {
- buf[1] += 126;
- *(uint16_t*)(buf+2) = htons((uint16_t)size);
- return {buf, buf+4};
- }
- else
- {
- buf[1] += 127;
- *(uint64_t*)(buf+2) = ((1==htonl(1)) ? (uint64_t)size : ((uint64_t)htonl((size) & 0xFFFFFFFF) << 32) | htonl((size) >> 32));
- return {buf, buf+10};
- }
- }
-
- void start(std::string&& hello)
- {
- static std::string header = "HTTP/1.1 101 Switching Protocols\r\n"
- "Upgrade: websocket\r\n"
- "Connection: Upgrade\r\n"
- "Sec-WebSocket-Accept: ";
- static std::string crlf = "\r\n";
- write_buffers_.emplace_back(header);
- write_buffers_.emplace_back(std::move(hello));
- write_buffers_.emplace_back(crlf);
- write_buffers_.emplace_back(crlf);
- do_write();
- if (open_handler_)
- open_handler_(*this);
- do_read();
- }
-
- void do_read()
- {
- is_reading = true;
- switch(state_)
- {
- case WebSocketReadState::MiniHeader:
- {
- //boost::asio::async_read(adaptor_.socket(), boost::asio::buffer(&mini_header_, 1),
- adaptor_.socket().async_read_some(boost::asio::buffer(&mini_header_, 2),
- [this](const boost::system::error_code& ec, std::size_t bytes_transferred)
- {
- is_reading = false;
- mini_header_ = htons(mini_header_);
-#ifdef CROW_ENABLE_DEBUG
-
- if (!ec && bytes_transferred != 2)
- {
- throw std::runtime_error("WebSocket:MiniHeader:async_read fail:asio bug?");
- }
-#endif
-
- if (!ec && ((mini_header_ & 0x80) == 0x80))
- {
- if ((mini_header_ & 0x7f) == 127)
- {
- state_ = WebSocketReadState::Len64;
- }
- else if ((mini_header_ & 0x7f) == 126)
- {
- state_ = WebSocketReadState::Len16;
- }
- else
- {
- remaining_length_ = mini_header_ & 0x7f;
- state_ = WebSocketReadState::Mask;
- }
- do_read();
- }
- else
- {
- close_connection_ = true;
- adaptor_.close();
- if (error_handler_)
- error_handler_(*this);
- check_destroy();
- }
- });
- }
- break;
- case WebSocketReadState::Len16:
- {
- remaining_length_ = 0;
- boost::asio::async_read(adaptor_.socket(), boost::asio::buffer(&remaining_length_, 2),
- [this](const boost::system::error_code& ec, std::size_t bytes_transferred)
- {
- is_reading = false;
- remaining_length_ = ntohs(*(uint16_t*)&remaining_length_);
-#ifdef CROW_ENABLE_DEBUG
- if (!ec && bytes_transferred != 2)
- {
- throw std::runtime_error("WebSocket:Len16:async_read fail:asio bug?");
- }
-#endif
-
- if (!ec)
- {
- state_ = WebSocketReadState::Mask;
- do_read();
- }
- else
- {
- close_connection_ = true;
- adaptor_.close();
- if (error_handler_)
- error_handler_(*this);
- check_destroy();
- }
- });
- }
- break;
- case WebSocketReadState::Len64:
- {
- boost::asio::async_read(adaptor_.socket(), boost::asio::buffer(&remaining_length_, 8),
- [this](const boost::system::error_code& ec, std::size_t bytes_transferred)
- {
- is_reading = false;
- remaining_length_ = ((1==ntohl(1)) ? (remaining_length_) : ((uint64_t)ntohl((remaining_length_) & 0xFFFFFFFF) << 32) | ntohl((remaining_length_) >> 32));
-#ifdef CROW_ENABLE_DEBUG
- if (!ec && bytes_transferred != 8)
- {
- throw std::runtime_error("WebSocket:Len16:async_read fail:asio bug?");
- }
-#endif
-
- if (!ec)
- {
- state_ = WebSocketReadState::Mask;
- do_read();
- }
- else
- {
- close_connection_ = true;
- adaptor_.close();
- if (error_handler_)
- error_handler_(*this);
- check_destroy();
- }
- });
- }
- break;
- case WebSocketReadState::Mask:
- boost::asio::async_read(adaptor_.socket(), boost::asio::buffer((char*)&mask_, 4),
- [this](const boost::system::error_code& ec, std::size_t bytes_transferred)
- {
- is_reading = false;
-#ifdef CROW_ENABLE_DEBUG
- if (!ec && bytes_transferred != 4)
- {
- throw std::runtime_error("WebSocket:Mask:async_read fail:asio bug?");
- }
-#endif
-
- if (!ec)
- {
- state_ = WebSocketReadState::Payload;
- do_read();
- }
- else
- {
- close_connection_ = true;
- if (error_handler_)
- error_handler_(*this);
- adaptor_.close();
- }
- });
- break;
- case WebSocketReadState::Payload:
- {
- size_t to_read = buffer_.size();
- if (remaining_length_ < to_read)
- to_read = remaining_length_;
- adaptor_.socket().async_read_some( boost::asio::buffer(buffer_, to_read),
- [this](const boost::system::error_code& ec, std::size_t bytes_transferred)
- {
- is_reading = false;
-
- if (!ec)
- {
- fragment_.insert(fragment_.end(), buffer_.begin(), buffer_.begin() + bytes_transferred);
- remaining_length_ -= bytes_transferred;
- if (remaining_length_ == 0)
- {
- handle_fragment();
- state_ = WebSocketReadState::MiniHeader;
- do_read();
- }
- }
- else
- {
- close_connection_ = true;
- if (error_handler_)
- error_handler_(*this);
- adaptor_.close();
- }
- });
- }
- break;
- }
- }
-
- bool is_FIN()
- {
- return mini_header_ & 0x8000;
- }
-
- int opcode()
- {
- return (mini_header_ & 0x0f00) >> 8;
- }
-
- void handle_fragment()
- {
- for(decltype(fragment_.length()) i = 0; i < fragment_.length(); i ++)
- {
- fragment_[i] ^= ((char*)&mask_)[i%4];
- }
- switch(opcode())
- {
- case 0: // Continuation
- {
- message_ += fragment_;
- if (is_FIN())
- {
- if (message_handler_)
- message_handler_(*this, message_, is_binary_);
- message_.clear();
- }
- }
- case 1: // Text
- {
- is_binary_ = false;
- message_ += fragment_;
- if (is_FIN())
- {
- if (message_handler_)
- message_handler_(*this, message_, is_binary_);
- message_.clear();
- }
- }
- break;
- case 2: // Binary
- {
- is_binary_ = true;
- message_ += fragment_;
- if (is_FIN())
- {
- if (message_handler_)
- message_handler_(*this, message_, is_binary_);
- message_.clear();
- }
- }
- break;
- case 0x8: // Close
- {
- has_recv_close_ = true;
- if (!has_sent_close_)
- {
- close(fragment_);
- }
- else
- {
- adaptor_.close();
- close_connection_ = true;
- if (!is_close_handler_called_)
- {
- if (close_handler_)
- close_handler_(*this, fragment_);
- is_close_handler_called_ = true;
- }
- check_destroy();
- }
- }
- break;
- case 0x9: // Ping
- {
- send_pong(fragment_);
- }
- break;
- case 0xA: // Pong
- {
- pong_received_ = true;
- }
- break;
- }
-
- fragment_.clear();
- }
-
- void do_write()
- {
- if (sending_buffers_.empty())
- {
- sending_buffers_.swap(write_buffers_);
- std::vector<boost::asio::const_buffer> buffers;
- buffers.reserve(sending_buffers_.size());
- for(auto& s:sending_buffers_)
- {
- buffers.emplace_back(boost::asio::buffer(s));
- }
- boost::asio::async_write(adaptor_.socket(), buffers,
- [&](const boost::system::error_code& ec, std::size_t /*bytes_transferred*/)
- {
- sending_buffers_.clear();
- if (!ec && !close_connection_)
- {
- if (!write_buffers_.empty())
- do_write();
- if (has_sent_close_)
- close_connection_ = true;
- }
- else
- {
- close_connection_ = true;
- check_destroy();
- }
- });
- }
- }
-
- void check_destroy()
- {
- //if (has_sent_close_ && has_recv_close_)
- if (!is_close_handler_called_)
- if (close_handler_)
- close_handler_(*this, "uncleanly");
- if (sending_buffers_.empty() && !is_reading)
- delete this;
- }
- private:
- Adaptor adaptor_;
-
- std::vector<std::string> sending_buffers_;
- std::vector<std::string> write_buffers_;
-
- boost::array<char, 4096> buffer_;
- bool is_binary_;
- std::string message_;
- std::string fragment_;
- WebSocketReadState state_{WebSocketReadState::MiniHeader};
- uint64_t remaining_length_{0};
- bool close_connection_{false};
- bool is_reading{false};
- uint32_t mask_;
- uint16_t mini_header_;
- bool has_sent_close_{false};
- bool has_recv_close_{false};
- bool error_occured_{false};
- bool pong_received_{false};
- bool is_close_handler_called_{false};
-
- std::function<void(crow::websocket::connection&)> open_handler_;
- std::function<void(crow::websocket::connection&, const std::string&, bool)> message_handler_;
- std::function<void(crow::websocket::connection&, const std::string&)> close_handler_;
- std::function<void(crow::websocket::connection&)> error_handler_;
- };
- }
-}
-
-
-
-#pragma once
-
-#include <string>
-#include <unordered_map>
-#include <boost/algorithm/string.hpp>
-#include <boost/tokenizer.hpp>
-#include <algorithm>
-
-
-
-
-
-
-namespace crow
-{
- template <typename Handler>
- struct HTTPParser : public http_parser
- {
- static int on_message_begin(http_parser* self_)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
- self->clear();
- return 0;
- }
- static int on_url(http_parser* self_, const char* at, size_t length)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
- self->raw_url.insert(self->raw_url.end(), at, at+length);
- return 0;
- }
- static int on_header_field(http_parser* self_, const char* at, size_t length)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
- switch (self->header_building_state)
- {
- case 0:
- if (!self->header_value.empty())
- {
- self->headers.emplace(std::move(self->header_field), std::move(self->header_value));
- }
- self->header_field.assign(at, at+length);
- self->header_building_state = 1;
- break;
- case 1:
- self->header_field.insert(self->header_field.end(), at, at+length);
- break;
- }
- return 0;
- }
- static int on_header_value(http_parser* self_, const char* at, size_t length)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
- switch (self->header_building_state)
- {
- case 0:
- self->header_value.insert(self->header_value.end(), at, at+length);
- break;
- case 1:
- self->header_building_state = 0;
- self->header_value.assign(at, at+length);
- break;
- }
- return 0;
- }
- static int on_headers_complete(http_parser* self_)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
- if (!self->header_field.empty())
- {
- self->headers.emplace(std::move(self->header_field), std::move(self->header_value));
- }
- self->process_header();
- return 0;
- }
- static int on_body(http_parser* self_, const char* at, size_t length)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
- self->body.insert(self->body.end(), at, at+length);
- return 0;
- }
- static int on_message_complete(http_parser* self_)
- {
- HTTPParser* self = static_cast<HTTPParser*>(self_);
-
- // url params
- self->url = self->raw_url.substr(0, self->raw_url.find("?"));
- self->url_params = query_string(self->raw_url);
-
- self->process_message();
- return 0;
- }
- HTTPParser(Handler* handler) :
- handler_(handler)
- {
- http_parser_init(this, HTTP_REQUEST);
- }
-
- // return false on error
- bool feed(const char* buffer, int length)
- {
- const static http_parser_settings settings_{
- on_message_begin,
- on_url,
- nullptr,
- on_header_field,
- on_header_value,
- on_headers_complete,
- on_body,
- on_message_complete,
- };
-
- int nparsed = http_parser_execute(this, &settings_, buffer, length);
- return nparsed == length;
- }
-
- bool done()
- {
- return feed(nullptr, 0);
- }
-
- void clear()
- {
- url.clear();
- raw_url.clear();
- header_building_state = 0;
- header_field.clear();
- header_value.clear();
- headers.clear();
- url_params.clear();
- body.clear();
- }
-
- void process_header()
- {
- handler_->handle_header();
- }
-
- void process_message()
- {
- handler_->handle();
- }
-
- request to_request() const
- {
- return request{(HTTPMethod)method, std::move(raw_url), std::move(url), std::move(url_params), std::move(headers), std::move(body)};
- }
-
- bool is_upgrade() const
- {
- return upgrade;
- }
-
- bool check_version(int major, int minor) const
- {
- return http_major == major && http_minor == minor;
- }
-
- std::string raw_url;
- std::string url;
-
- int header_building_state = 0;
- std::string header_field;
- std::string header_value;
- ci_map headers;
- query_string url_params;
- std::string body;
-
- Handler* handler_;
- };
-}
-
-
-
-#pragma once
-#include <string>
-#include <unordered_map>
-
-
-
-
-
-
-
-
-namespace crow
-{
- template <typename Adaptor, typename Handler, typename ... Middlewares>
- class Connection;
- struct response
- {
- template <typename Adaptor, typename Handler, typename ... Middlewares>
- friend class crow::Connection;
-
- int code{200};
- std::string body;
- json::wvalue json_value;
-
- // `headers' stores HTTP headers.
- ci_map headers;
-
- void set_header(std::string key, std::string value)
- {
- headers.erase(key);
- headers.emplace(std::move(key), std::move(value));
- }
- void add_header(std::string key, std::string value)
- {
- headers.emplace(std::move(key), std::move(value));
- }
-
- const std::string& get_header_value(const std::string& key)
- {
- return crow::get_header_value(headers, key);
- }
-
-
- response() {}
- explicit response(int code) : code(code) {}
- response(std::string body) : body(std::move(body)) {}
- response(json::wvalue&& json_value) : json_value(std::move(json_value))
- {
- json_mode();
- }
- response(int code, std::string body) : code(code), body(std::move(body)) {}
- response(const json::wvalue& json_value) : body(json::dump(json_value))
- {
- json_mode();
- }
- response(int code, const json::wvalue& json_value) : code(code), body(json::dump(json_value))
- {
- json_mode();
- }
-
- response(response&& r)
- {
- *this = std::move(r);
- }
-
- response& operator = (const response& r) = delete;
-
- response& operator = (response&& r) noexcept
- {
- body = std::move(r.body);
- json_value = std::move(r.json_value);
- code = r.code;
- headers = std::move(r.headers);
- completed_ = r.completed_;
- return *this;
- }
-
- bool is_completed() const noexcept
- {
- return completed_;
- }
-
- void clear()
- {
- body.clear();
- json_value.clear();
- code = 200;
- headers.clear();
- completed_ = false;
- }
-
- void write(const std::string& body_part)
- {
- body += body_part;
- }
-
- void end()
- {
- if (!completed_)
- {
- completed_ = true;
-
- if (complete_request_handler_)
- {
- complete_request_handler_();
- }
- }
- }
-
- void end(const std::string& body_part)
- {
- body += body_part;
- end();
- }
-
- bool is_alive()
- {
- return is_alive_helper_ && is_alive_helper_();
- }
-
- private:
- bool completed_{};
- std::function<void()> complete_request_handler_;
- std::function<bool()> is_alive_helper_;
-
- //In case of a JSON object, set the Content-Type header
- void json_mode()
- {
- set_header("Content-Type", "application/json");
- }
- };
-}
-
-
-
-#pragma once
-
-#include <cstdint>
-#include <utility>
-#include <tuple>
-#include <unordered_map>
-#include <memory>
-#include <boost/lexical_cast.hpp>
-#include <vector>
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-namespace crow
-{
- class BaseRule
- {
- public:
- BaseRule(std::string rule)
- : rule_(std::move(rule))
- {
- }
-
- virtual ~BaseRule()
- {
- }
-
- virtual void validate() = 0;
- std::unique_ptr<BaseRule> upgrade()
- {
- if (rule_to_upgrade_)
- return std::move(rule_to_upgrade_);
- return {};
- }
-
- virtual void handle(const request&, response&, const routing_params&) = 0;
- virtual void handle_upgrade(const request&, response& res, SocketAdaptor&&)
- {
- res = response(404);
- res.end();
- }
-#ifdef CROW_ENABLE_SSL
- virtual void handle_upgrade(const request&, response& res, SSLAdaptor&&)
- {
- res = response(404);
- res.end();
- }
-#endif
-
- uint32_t get_methods()
- {
- return methods_;
- }
-
- protected:
- uint32_t methods_{1<<(int)HTTPMethod::Get};
-
- std::string rule_;
- std::string name_;
-
- std::unique_ptr<BaseRule> rule_to_upgrade_;
-
- friend class Router;
- template <typename T>
- friend struct RuleParameterTraits;
- };
-
-
- namespace detail
- {
- namespace routing_handler_call_helper
- {
- template <typename T, int Pos>
- struct call_pair
- {
- using type = T;
- static const int pos = Pos;
- };
-
- template <typename H1>
- struct call_params
- {
- H1& handler;
- const routing_params& params;
- const request& req;
- response& res;
- };
-
- template <typename F, int NInt, int NUint, int NDouble, int NString, typename S1, typename S2>
- struct call
- {
- };
-
- template <typename F, int NInt, int NUint, int NDouble, int NString, typename ... Args1, typename ... Args2>
- struct call<F, NInt, NUint, NDouble, NString, black_magic::S<int64_t, Args1...>, black_magic::S<Args2...>>
- {
- void operator()(F cparams)
- {
- using pushed = typename black_magic::S<Args2...>::template push_back<call_pair<int64_t, NInt>>;
- call<F, NInt+1, NUint, NDouble, NString,
- black_magic::S<Args1...>, pushed>()(cparams);
- }
- };
-
- template <typename F, int NInt, int NUint, int NDouble, int NString, typename ... Args1, typename ... Args2>
- struct call<F, NInt, NUint, NDouble, NString, black_magic::S<uint64_t, Args1...>, black_magic::S<Args2...>>
- {
- void operator()(F cparams)
- {
- using pushed = typename black_magic::S<Args2...>::template push_back<call_pair<uint64_t, NUint>>;
- call<F, NInt, NUint+1, NDouble, NString,
- black_magic::S<Args1...>, pushed>()(cparams);
- }
- };
-
- template <typename F, int NInt, int NUint, int NDouble, int NString, typename ... Args1, typename ... Args2>
- struct call<F, NInt, NUint, NDouble, NString, black_magic::S<double, Args1...>, black_magic::S<Args2...>>
- {
- void operator()(F cparams)
- {
- using pushed = typename black_magic::S<Args2...>::template push_back<call_pair<double, NDouble>>;
- call<F, NInt, NUint, NDouble+1, NString,
- black_magic::S<Args1...>, pushed>()(cparams);
- }
- };
-
- template <typename F, int NInt, int NUint, int NDouble, int NString, typename ... Args1, typename ... Args2>
- struct call<F, NInt, NUint, NDouble, NString, black_magic::S<std::string, Args1...>, black_magic::S<Args2...>>
- {
- void operator()(F cparams)
- {
- using pushed = typename black_magic::S<Args2...>::template push_back<call_pair<std::string, NString>>;
- call<F, NInt, NUint, NDouble, NString+1,
- black_magic::S<Args1...>, pushed>()(cparams);
- }
- };
-
- template <typename F, int NInt, int NUint, int NDouble, int NString, typename ... Args1>
- struct call<F, NInt, NUint, NDouble, NString, black_magic::S<>, black_magic::S<Args1...>>
- {
- void operator()(F cparams)
- {
- cparams.handler(
- cparams.req,
- cparams.res,
- cparams.params.template get<typename Args1::type>(Args1::pos)...
- );
- }
- };
-
- template <typename Func, typename ... ArgsWrapped>
- struct Wrapped
- {
- template <typename ... Args>
- void set_(Func f, typename std::enable_if<
- !std::is_same<typename std::tuple_element<0, std::tuple<Args..., void>>::type, const request&>::value
- , int>::type = 0)
- {
- handler_ = (
-#ifdef CROW_CAN_USE_CPP14
- [f = std::move(f)]
-#else
- [f]
-#endif
- (const request&, response& res, Args... args){
- res = response(f(args...));
- res.end();
- });
- }
-
- template <typename Req, typename ... Args>
- struct req_handler_wrapper
- {
- req_handler_wrapper(Func f)
- : f(std::move(f))
- {
- }
-
- void operator()(const request& req, response& res, Args... args)
- {
- res = response(f(req, args...));
- res.end();
- }
-
- Func f;
- };
-
- template <typename ... Args>
- void set_(Func f, typename std::enable_if<
- std::is_same<typename std::tuple_element<0, std::tuple<Args..., void>>::type, const request&>::value &&
- !std::is_same<typename std::tuple_element<1, std::tuple<Args..., void, void>>::type, response&>::value
- , int>::type = 0)
- {
- handler_ = req_handler_wrapper<Args...>(std::move(f));
- /*handler_ = (
- [f = std::move(f)]
- (const request& req, response& res, Args... args){
- res = response(f(req, args...));
- res.end();
- });*/
- }
-
- template <typename ... Args>
- void set_(Func f, typename std::enable_if<
- std::is_same<typename std::tuple_element<0, std::tuple<Args..., void>>::type, const request&>::value &&
- std::is_same<typename std::tuple_element<1, std::tuple<Args..., void, void>>::type, response&>::value
- , int>::type = 0)
- {
- handler_ = std::move(f);
- }
-
- template <typename ... Args>
- struct handler_type_helper
- {
- using type = std::function<void(const crow::request&, crow::response&, Args...)>;
- using args_type = black_magic::S<typename black_magic::promote_t<Args>...>;
- };
-
- template <typename ... Args>
- struct handler_type_helper<const request&, Args...>
- {
- using type = std::function<void(const crow::request&, crow::response&, Args...)>;
- using args_type = black_magic::S<typename black_magic::promote_t<Args>...>;
- };
-
- template <typename ... Args>
- struct handler_type_helper<const request&, response&, Args...>
- {
- using type = std::function<void(const crow::request&, crow::response&, Args...)>;
- using args_type = black_magic::S<typename black_magic::promote_t<Args>...>;
- };
-
- typename handler_type_helper<ArgsWrapped...>::type handler_;
-
- void operator()(const request& req, response& res, const routing_params& params)
- {
- detail::routing_handler_call_helper::call<
- detail::routing_handler_call_helper::call_params<
- decltype(handler_)>,
- 0, 0, 0, 0,
- typename handler_type_helper<ArgsWrapped...>::args_type,
- black_magic::S<>
- >()(
- detail::routing_handler_call_helper::call_params<
- decltype(handler_)>
- {handler_, params, req, res}
- );
- }
- };
-
- }
- }
-
- class WebSocketRule : public BaseRule
- {
- using self_t = WebSocketRule;
- public:
- WebSocketRule(std::string rule)
- : BaseRule(std::move(rule))
- {
- }
-
- void validate() override
- {
- }
-
- void handle(const request&, response& res, const routing_params&) override
- {
- res = response(404);
- res.end();
- }
-
- void handle_upgrade(const request& req, response&, SocketAdaptor&& adaptor) override
- {
- new crow::websocket::Connection<SocketAdaptor>(req, std::move(adaptor), open_handler_, message_handler_, close_handler_, error_handler_);
- }
-#ifdef CROW_ENABLE_SSL
- void handle_upgrade(const request& req, response&, SSLAdaptor&& adaptor) override
- {
- new crow::websocket::Connection<SSLAdaptor>(req, std::move(adaptor), open_handler_, message_handler_, close_handler_, error_handler_);
- }
-#endif
-
- template <typename Func>
- self_t& onopen(Func f)
- {
- open_handler_ = f;
- return *this;
- }
-
- template <typename Func>
- self_t& onmessage(Func f)
- {
- message_handler_ = f;
- return *this;
- }
-
- template <typename Func>
- self_t& onclose(Func f)
- {
- close_handler_ = f;
- return *this;
- }
-
- template <typename Func>
- self_t& onerror(Func f)
- {
- error_handler_ = f;
- return *this;
- }
-
- protected:
- std::function<void(crow::websocket::connection&)> open_handler_;
- std::function<void(crow::websocket::connection&, const std::string&, bool)> message_handler_;
- std::function<void(crow::websocket::connection&, const std::string&)> close_handler_;
- std::function<void(crow::websocket::connection&)> error_handler_;
- };
-
- template <typename T>
- struct RuleParameterTraits
- {
- using self_t = T;
- WebSocketRule& websocket()
- {
- auto p =new WebSocketRule(((self_t*)this)->rule_);
- ((self_t*)this)->rule_to_upgrade_.reset(p);
- return *p;
- }
-
- self_t& name(std::string name) noexcept
- {
- ((self_t*)this)->name_ = std::move(name);
- return (self_t&)*this;
- }
-
- self_t& methods(HTTPMethod method)
- {
- ((self_t*)this)->methods_ = 1 << (int)method;
- return (self_t&)*this;
- }
-
- template <typename ... MethodArgs>
- self_t& methods(HTTPMethod method, MethodArgs ... args_method)
- {
- methods(args_method...);
- ((self_t*)this)->methods_ |= 1 << (int)method;
- return (self_t&)*this;
- }
-
- };
-
- class DynamicRule : public BaseRule, public RuleParameterTraits<DynamicRule>
- {
- public:
-
- DynamicRule(std::string rule)
- : BaseRule(std::move(rule))
- {
- }
-
- void validate() override
- {
- if (!erased_handler_)
- {
- throw std::runtime_error(name_ + (!name_.empty() ? ": " : "") + "no handler for url " + rule_);
- }
- }
-
- void handle(const request& req, response& res, const routing_params& params) override
- {
- erased_handler_(req, res, params);
- }
-
- template <typename Func>
- void operator()(Func f)
- {
-#ifdef CROW_MSVC_WORKAROUND
- using function_t = utility::function_traits<decltype(&Func::operator())>;
-#else
- using function_t = utility::function_traits<Func>;
-#endif
- erased_handler_ = wrap(std::move(f), black_magic::gen_seq<function_t::arity>());
- }
-
- // enable_if Arg1 == request && Arg2 == response
- // enable_if Arg1 == request && Arg2 != resposne
- // enable_if Arg1 != request
-#ifdef CROW_MSVC_WORKAROUND
- template <typename Func, size_t ... Indices>
-#else
- template <typename Func, unsigned ... Indices>
-#endif
- std::function<void(const request&, response&, const routing_params&)>
- wrap(Func f, black_magic::seq<Indices...>)
- {
-#ifdef CROW_MSVC_WORKAROUND
- using function_t = utility::function_traits<decltype(&Func::operator())>;
-#else
- using function_t = utility::function_traits<Func>;
-#endif
- if (!black_magic::is_parameter_tag_compatible(
- black_magic::get_parameter_tag_runtime(rule_.c_str()),
- black_magic::compute_parameter_tag_from_args_list<
- typename function_t::template arg<Indices>...>::value))
- {
- throw std::runtime_error("route_dynamic: Handler type is mismatched with URL parameters: " + rule_);
- }
- auto ret = detail::routing_handler_call_helper::Wrapped<Func, typename function_t::template arg<Indices>...>();
- ret.template set_<
- typename function_t::template arg<Indices>...
- >(std::move(f));
- return ret;
- }
-
- template <typename Func>
- void operator()(std::string name, Func&& f)
- {
- name_ = std::move(name);
- (*this).template operator()<Func>(std::forward(f));
- }
- private:
- std::function<void(const request&, response&, const routing_params&)> erased_handler_;
-
- };
-
- template <typename ... Args>
- class TaggedRule : public BaseRule, public RuleParameterTraits<TaggedRule<Args...>>
- {
- public:
- using self_t = TaggedRule<Args...>;
-
- TaggedRule(std::string rule)
- : BaseRule(std::move(rule))
- {
- }
-
- void validate() override
- {
- if (!handler_)
- {
- throw std::runtime_error(name_ + (!name_.empty() ? ": " : "") + "no handler for url " + rule_);
- }
- }
-
- template <typename Func>
- typename std::enable_if<black_magic::CallHelper<Func, black_magic::S<Args...>>::value, void>::type
- operator()(Func&& f)
- {
- static_assert(black_magic::CallHelper<Func, black_magic::S<Args...>>::value ||
- black_magic::CallHelper<Func, black_magic::S<crow::request, Args...>>::value ,
- "Handler type is mismatched with URL parameters");
- static_assert(!std::is_same<void, decltype(f(std::declval<Args>()...))>::value,
- "Handler function cannot have void return type; valid return types: string, int, crow::resposne, crow::json::wvalue");
-
- handler_ = [f = std::move(f)](const request&, response& res, Args ... args){
- res = response(f(args...));
- res.end();
- };
- }
-
- template <typename Func>
- typename std::enable_if<
- !black_magic::CallHelper<Func, black_magic::S<Args...>>::value &&
- black_magic::CallHelper<Func, black_magic::S<crow::request, Args...>>::value,
- void>::type
- operator()(Func&& f)
- {
- static_assert(black_magic::CallHelper<Func, black_magic::S<Args...>>::value ||
- black_magic::CallHelper<Func, black_magic::S<crow::request, Args...>>::value,
- "Handler type is mismatched with URL parameters");
- static_assert(!std::is_same<void, decltype(f(std::declval<crow::request>(), std::declval<Args>()...))>::value,
- "Handler function cannot have void return type; valid return types: string, int, crow::resposne, crow::json::wvalue");
-
- handler_ = [f = std::move(f)](const crow::request& req, crow::response& res, Args ... args){
- res = response(f(req, args...));
- res.end();
- };
- }
-
- template <typename Func>
- typename std::enable_if<
- !black_magic::CallHelper<Func, black_magic::S<Args...>>::value &&
- !black_magic::CallHelper<Func, black_magic::S<crow::request, Args...>>::value,
- void>::type
- operator()(Func&& f)
- {
- static_assert(black_magic::CallHelper<Func, black_magic::S<Args...>>::value ||
- black_magic::CallHelper<Func, black_magic::S<crow::request, Args...>>::value ||
- black_magic::CallHelper<Func, black_magic::S<crow::request, crow::response&, Args...>>::value
- ,
- "Handler type is mismatched with URL parameters");
- static_assert(std::is_same<void, decltype(f(std::declval<crow::request>(), std::declval<crow::response&>(), std::declval<Args>()...))>::value,
- "Handler function with response argument should have void return type");
-
- handler_ = std::move(f);
- }
-
- template <typename Func>
- void operator()(std::string name, Func&& f)
- {
- name_ = std::move(name);
- (*this).template operator()<Func>(std::forward(f));
- }
-
- void handle(const request& req, response& res, const routing_params& params) override
- {
- detail::routing_handler_call_helper::call<
- detail::routing_handler_call_helper::call_params<
- decltype(handler_)>,
- 0, 0, 0, 0,
- black_magic::S<Args...>,
- black_magic::S<>
- >()(
- detail::routing_handler_call_helper::call_params<
- decltype(handler_)>
- {handler_, params, req, res}
- );
- }
-
- private:
- std::function<void(const crow::request&, crow::response&, Args...)> handler_;
-
- };
-
- const int RULE_SPECIAL_REDIRECT_SLASH = 1;
-
- class Trie
- {
- public:
- struct Node
- {
- unsigned rule_index{};
- std::array<unsigned, (int)ParamType::MAX> param_childrens{};
- std::unordered_map<std::string, unsigned> children;
-
- bool IsSimpleNode() const
- {
- return
- !rule_index &&
- std::all_of(
- std::begin(param_childrens),
- std::end(param_childrens),
- [](unsigned x){ return !x; });
- }
- };
-
- Trie() : nodes_(1)
- {
- }
-
-private:
- void optimizeNode(Node* node)
- {
- for(auto x : node->param_childrens)
- {
- if (!x)
- continue;
- Node* child = &nodes_[x];
- optimizeNode(child);
- }
- if (node->children.empty())
- return;
- bool mergeWithChild = true;
- for(auto& kv : node->children)
- {
- Node* child = &nodes_[kv.second];
- if (!child->IsSimpleNode())
- {
- mergeWithChild = false;
- break;
- }
- }
- if (mergeWithChild)
- {
- decltype(node->children) merged;
- for(auto& kv : node->children)
- {
- Node* child = &nodes_[kv.second];
- for(auto& child_kv : child->children)
- {
- merged[kv.first + child_kv.first] = child_kv.second;
- }
- }
- node->children = std::move(merged);
- optimizeNode(node);
- }
- else
- {
- for(auto& kv : node->children)
- {
- Node* child = &nodes_[kv.second];
- optimizeNode(child);
- }
- }
- }
-
- void optimize()
- {
- optimizeNode(head());
- }
-
-public:
- void validate()
- {
- if (!head()->IsSimpleNode())
- throw std::runtime_error("Internal error: Trie header should be simple!");
- optimize();
- }
-
- std::pair<unsigned, routing_params> find(const std::string& req_url, const Node* node = nullptr, unsigned pos = 0, routing_params* params = nullptr) const
- {
- routing_params empty;
- if (params == nullptr)
- params = &empty;
-
- unsigned found{};
- routing_params match_params;
-
- if (node == nullptr)
- node = head();
- if (pos == req_url.size())
- return {node->rule_index, *params};
-
- auto update_found = [&found, &match_params](std::pair<unsigned, routing_params>& ret)
- {
- if (ret.first && (!found || found > ret.first))
- {
- found = ret.first;
- match_params = std::move(ret.second);
- }
- };
-
- if (node->param_childrens[(int)ParamType::INT])
- {
- char c = req_url[pos];
- if ((c >= '0' && c <= '9') || c == '+' || c == '-')
- {
- char* eptr;
- errno = 0;
- long long int value = strtoll(req_url.data()+pos, &eptr, 10);
- if (errno != ERANGE && eptr != req_url.data()+pos)
- {
- params->int_params.push_back(value);
- auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::INT]], eptr - req_url.data(), params);
- update_found(ret);
- params->int_params.pop_back();
- }
- }
- }
-
- if (node->param_childrens[(int)ParamType::UINT])
- {
- char c = req_url[pos];
- if ((c >= '0' && c <= '9') || c == '+')
- {
- char* eptr;
- errno = 0;
- unsigned long long int value = strtoull(req_url.data()+pos, &eptr, 10);
- if (errno != ERANGE && eptr != req_url.data()+pos)
- {
- params->uint_params.push_back(value);
- auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::UINT]], eptr - req_url.data(), params);
- update_found(ret);
- params->uint_params.pop_back();
- }
- }
- }
-
- if (node->param_childrens[(int)ParamType::DOUBLE])
- {
- char c = req_url[pos];
- if ((c >= '0' && c <= '9') || c == '+' || c == '-' || c == '.')
- {
- char* eptr;
- errno = 0;
- double value = strtod(req_url.data()+pos, &eptr);
- if (errno != ERANGE && eptr != req_url.data()+pos)
- {
- params->double_params.push_back(value);
- auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::DOUBLE]], eptr - req_url.data(), params);
- update_found(ret);
- params->double_params.pop_back();
- }
- }
- }
-
- if (node->param_childrens[(int)ParamType::STRING])
- {
- size_t epos = pos;
- for(; epos < req_url.size(); epos ++)
- {
- if (req_url[epos] == '/')
- break;
- }
-
- if (epos != pos)
- {
- params->string_params.push_back(req_url.substr(pos, epos-pos));
- auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::STRING]], epos, params);
- update_found(ret);
- params->string_params.pop_back();
- }
- }
-
- if (node->param_childrens[(int)ParamType::PATH])
- {
- size_t epos = req_url.size();
-
- if (epos != pos)
- {
- params->string_params.push_back(req_url.substr(pos, epos-pos));
- auto ret = find(req_url, &nodes_[node->param_childrens[(int)ParamType::PATH]], epos, params);
- update_found(ret);
- params->string_params.pop_back();
- }
- }
-
- for(auto& kv : node->children)
- {
- const std::string& fragment = kv.first;
- const Node* child = &nodes_[kv.second];
-
- if (req_url.compare(pos, fragment.size(), fragment) == 0)
- {
- auto ret = find(req_url, child, pos + fragment.size(), params);
- update_found(ret);
- }
- }
-
- return {found, match_params};
- }
-
- void add(const std::string& url, unsigned rule_index)
- {
- unsigned idx{0};
-
- for(unsigned i = 0; i < url.size(); i ++)
- {
- char c = url[i];
- if (c == '<')
- {
- static struct ParamTraits
- {
- ParamType type;
- std::string name;
- } paramTraits[] =
- {
- { ParamType::INT, "<int>" },
- { ParamType::UINT, "<uint>" },
- { ParamType::DOUBLE, "<float>" },
- { ParamType::DOUBLE, "<double>" },
- { ParamType::STRING, "<str>" },
- { ParamType::STRING, "<string>" },
- { ParamType::PATH, "<path>" },
- };
-
- for(auto& x:paramTraits)
- {
- if (url.compare(i, x.name.size(), x.name) == 0)
- {
- if (!nodes_[idx].param_childrens[(int)x.type])
- {
- auto new_node_idx = new_node();
- nodes_[idx].param_childrens[(int)x.type] = new_node_idx;
- }
- idx = nodes_[idx].param_childrens[(int)x.type];
- i += x.name.size();
- break;
- }
- }
-
- i --;
- }
- else
- {
- std::string piece(&c, 1);
- if (!nodes_[idx].children.count(piece))
- {
- auto new_node_idx = new_node();
- nodes_[idx].children.emplace(piece, new_node_idx);
- }
- idx = nodes_[idx].children[piece];
- }
- }
- if (nodes_[idx].rule_index)
- throw std::runtime_error("handler already exists for " + url);
- nodes_[idx].rule_index = rule_index;
- }
- private:
- void debug_node_print(Node* n, int level)
- {
- for(int i = 0; i < (int)ParamType::MAX; i ++)
- {
- if (n->param_childrens[i])
- {
- CROW_LOG_DEBUG << std::string(2*level, ' ') /*<< "("<<n->param_childrens[i]<<") "*/;
- switch((ParamType)i)
- {
- case ParamType::INT:
- CROW_LOG_DEBUG << "<int>";
- break;
- case ParamType::UINT:
- CROW_LOG_DEBUG << "<uint>";
- break;
- case ParamType::DOUBLE:
- CROW_LOG_DEBUG << "<float>";
- break;
- case ParamType::STRING:
- CROW_LOG_DEBUG << "<str>";
- break;
- case ParamType::PATH:
- CROW_LOG_DEBUG << "<path>";
- break;
- default:
- CROW_LOG_DEBUG << "<ERROR>";
- break;
- }
-
- debug_node_print(&nodes_[n->param_childrens[i]], level+1);
- }
- }
- for(auto& kv : n->children)
- {
- CROW_LOG_DEBUG << std::string(2*level, ' ') /*<< "(" << kv.second << ") "*/ << kv.first;
- debug_node_print(&nodes_[kv.second], level+1);
- }
- }
-
- public:
- void debug_print()
- {
- debug_node_print(head(), 0);
- }
-
- private:
- const Node* head() const
- {
- return &nodes_.front();
- }
-
- Node* head()
- {
- return &nodes_.front();
- }
-
- unsigned new_node()
- {
- nodes_.resize(nodes_.size()+1);
- return nodes_.size() - 1;
- }
-
- std::vector<Node> nodes_;
- };
-
- class Router
- {
- public:
- Router() : rules_(2)
- {
- }
-
- DynamicRule& new_rule_dynamic(const std::string& rule)
- {
- auto ruleObject = new DynamicRule(rule);
-
- internal_add_rule_object(rule, ruleObject);
-
- return *ruleObject;
- }
-
- template <uint64_t N>
- typename black_magic::arguments<N>::type::template rebind<TaggedRule>& new_rule_tagged(const std::string& rule)
- {
- using RuleT = typename black_magic::arguments<N>::type::template rebind<TaggedRule>;
- auto ruleObject = new RuleT(rule);
-
- internal_add_rule_object(rule, ruleObject);
-
- return *ruleObject;
- }
-
- void internal_add_rule_object(const std::string& rule, BaseRule* ruleObject)
- {
- rules_.emplace_back(ruleObject);
- trie_.add(rule, rules_.size() - 1);
-
- // directory case:
- // request to `/about' url matches `/about/' rule
- if (rule.size() > 1 && rule.back() == '/')
- {
- std::string rule_without_trailing_slash = rule;
- rule_without_trailing_slash.pop_back();
- trie_.add(rule_without_trailing_slash, RULE_SPECIAL_REDIRECT_SLASH);
- }
- }
-
- void validate()
- {
- trie_.validate();
- for(auto& rule:rules_)
- {
- if (rule)
- {
- auto upgraded = rule->upgrade();
- if (upgraded)
- rule = std::move(upgraded);
- rule->validate();
- }
- }
- }
-
- template <typename Adaptor>
- void handle_upgrade(const request& req, response& res, Adaptor&& adaptor)
- {
- auto found = trie_.find(req.url);
- unsigned rule_index = found.first;
- if (!rule_index)
- {
- CROW_LOG_DEBUG << "Cannot match rules " << req.url;
- res = response(404);
- res.end();
- return;
- }
-
- if (rule_index >= rules_.size())
- throw std::runtime_error("Trie internal structure corrupted!");
-
- if (rule_index == RULE_SPECIAL_REDIRECT_SLASH)
- {
- CROW_LOG_INFO << "Redirecting to a url with trailing slash: " << req.url;
- res = response(301);
-
- // TODO absolute url building
- if (req.get_header_value("Host").empty())
- {
- res.add_header("Location", req.url + "/");
- }
- else
- {
- res.add_header("Location", "http://" + req.get_header_value("Host") + req.url + "/");
- }
- res.end();
- return;
- }
-
- if ((rules_[rule_index]->get_methods() & (1<<(uint32_t)req.method)) == 0)
- {
- CROW_LOG_DEBUG << "Rule found but method mismatch: " << req.url << " with " << method_name(req.method) << "(" << (uint32_t)req.method << ") / " << rules_[rule_index]->get_methods();
- res = response(404);
- res.end();
- return;
- }
-
- CROW_LOG_DEBUG << "Matched rule (upgrade) '" << rules_[rule_index]->rule_ << "' " << (uint32_t)req.method << " / " << rules_[rule_index]->get_methods();
-
- // any uncaught exceptions become 500s
- try
- {
- rules_[rule_index]->handle_upgrade(req, res, std::move(adaptor));
- }
- catch(std::exception& e)
- {
- CROW_LOG_ERROR << "An uncaught exception occurred: " << e.what();
- res = response(500);
- res.end();
- return;
- }
- catch(...)
- {
- CROW_LOG_ERROR << "An uncaught exception occurred. The type was unknown so no information was available.";
- res = response(500);
- res.end();
- return;
- }
- }
-
- void handle(const request& req, response& res)
- {
- auto found = trie_.find(req.url);
-
- unsigned rule_index = found.first;
-
- if (!rule_index)
- {
- CROW_LOG_DEBUG << "Cannot match rules " << req.url;
- res = response(404);
- res.end();
- return;
- }
-
- if (rule_index >= rules_.size())
- throw std::runtime_error("Trie internal structure corrupted!");
-
- if (rule_index == RULE_SPECIAL_REDIRECT_SLASH)
- {
- CROW_LOG_INFO << "Redirecting to a url with trailing slash: " << req.url;
- res = response(301);
-
- // TODO absolute url building
- if (req.get_header_value("Host").empty())
- {
- res.add_header("Location", req.url + "/");
- }
- else
- {
- res.add_header("Location", "http://" + req.get_header_value("Host") + req.url + "/");
- }
- res.end();
- return;
- }
-
- if ((rules_[rule_index]->get_methods() & (1<<(uint32_t)req.method)) == 0)
- {
- CROW_LOG_DEBUG << "Rule found but method mismatch: " << req.url << " with " << method_name(req.method) << "(" << (uint32_t)req.method << ") / " << rules_[rule_index]->get_methods();
- res = response(404);
- res.end();
- return;
- }
-
- CROW_LOG_DEBUG << "Matched rule '" << rules_[rule_index]->rule_ << "' " << (uint32_t)req.method << " / " << rules_[rule_index]->get_methods();
-
- // any uncaught exceptions become 500s
- try
- {
- rules_[rule_index]->handle(req, res, found.second);
- }
- catch(std::exception& e)
- {
- CROW_LOG_ERROR << "An uncaught exception occurred: " << e.what();
- res = response(500);
- res.end();
- return;
- }
- catch(...)
- {
- CROW_LOG_ERROR << "An uncaught exception occurred. The type was unknown so no information was available.";
- res = response(500);
- res.end();
- return;
- }
- }
-
- void debug_print()
- {
- trie_.debug_print();
- }
-
- private:
- std::vector<std::unique_ptr<BaseRule>> rules_;
- Trie trie_;
- };
-}
-
-
-
-#pragma once
-
-
-
-
-
-
-
-
-namespace crow
-{
- namespace detail
- {
- template <typename ... Middlewares>
- struct partial_context
- : public black_magic::pop_back<Middlewares...>::template rebind<partial_context>
- , public black_magic::last_element_type<Middlewares...>::type::context
- {
- using parent_context = typename black_magic::pop_back<Middlewares...>::template rebind<::crow::detail::partial_context>;
- template <int N>
- using partial = typename std::conditional<N == sizeof...(Middlewares)-1, partial_context, typename parent_context::template partial<N>>::type;
-
- template <typename T>
- typename T::context& get()
- {
- return static_cast<typename T::context&>(*this);
- }
- };
-
- template <>
- struct partial_context<>
- {
- template <int>
- using partial = partial_context;
- };
-
- template <int N, typename Context, typename Container, typename CurrentMW, typename ... Middlewares>
- bool middleware_call_helper(Container& middlewares, request& req, response& res, Context& ctx);
-
- template <typename ... Middlewares>
- struct context : private partial_context<Middlewares...>
- //struct context : private Middlewares::context... // simple but less type-safe
- {
- template <int N, typename Context, typename Container>
- friend typename std::enable_if<(N==0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res);
- template <int N, typename Context, typename Container>
- friend typename std::enable_if<(N>0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res);
-
- template <int N, typename Context, typename Container, typename CurrentMW, typename ... Middlewares2>
- friend bool middleware_call_helper(Container& middlewares, request& req, response& res, Context& ctx);
-
- template <typename T>
- typename T::context& get()
- {
- return static_cast<typename T::context&>(*this);
- }
-
- template <int N>
- using partial = typename partial_context<Middlewares...>::template partial<N>;
- };
- }
-}
-
-
-
-#pragma once
-#include <boost/algorithm/string/trim.hpp>
-
-
-
-
-
-namespace crow
-{
- // Any middleware requires following 3 members:
-
- // struct context;
- // storing data for the middleware; can be read from another middleware or handlers
-
- // before_handle
- // called before handling the request.
- // if res.end() is called, the operation is halted.
- // (still call after_handle of this middleware)
- // 2 signatures:
- // void before_handle(request& req, response& res, context& ctx)
- // if you only need to access this middlewares context.
- // template <typename AllContext>
- // void before_handle(request& req, response& res, context& ctx, AllContext& all_ctx)
- // you can access another middlewares' context by calling `all_ctx.template get<MW>()'
- // ctx == all_ctx.template get<CurrentMiddleware>()
-
- // after_handle
- // called after handling the request.
- // void after_handle(request& req, response& res, context& ctx)
- // template <typename AllContext>
- // void after_handle(request& req, response& res, context& ctx, AllContext& all_ctx)
-
- struct CookieParser
- {
- struct context
- {
- std::unordered_map<std::string, std::string> jar;
- std::unordered_map<std::string, std::string> cookies_to_add;
-
- std::string get_cookie(const std::string& key)
- {
- if (jar.count(key))
- return jar[key];
- return {};
- }
-
- void set_cookie(const std::string& key, const std::string& value)
- {
- cookies_to_add.emplace(key, value);
- }
- };
-
- void before_handle(request& req, response& res, context& ctx)
- {
- int count = req.headers.count("Cookie");
- if (!count)
- return;
- if (count > 1)
- {
- res.code = 400;
- res.end();
- return;
- }
- std::string cookies = req.get_header_value("Cookie");
- size_t pos = 0;
- while(pos < cookies.size())
- {
- size_t pos_equal = cookies.find('=', pos);
- if (pos_equal == cookies.npos)
- break;
- std::string name = cookies.substr(pos, pos_equal-pos);
- boost::trim(name);
- pos = pos_equal+1;
- while(pos < cookies.size() && cookies[pos] == ' ') pos++;
- if (pos == cookies.size())
- break;
-
- std::string value;
-
- if (cookies[pos] == '"')
- {
- int dquote_meet_count = 0;
- pos ++;
- size_t pos_dquote = pos-1;
- do
- {
- pos_dquote = cookies.find('"', pos_dquote+1);
- dquote_meet_count ++;
- } while(pos_dquote < cookies.size() && cookies[pos_dquote-1] == '\\');
- if (pos_dquote == cookies.npos)
- break;
-
- if (dquote_meet_count == 1)
- value = cookies.substr(pos, pos_dquote - pos);
- else
- {
- value.clear();
- value.reserve(pos_dquote-pos);
- for(size_t p = pos; p < pos_dquote; p++)
- {
- // FIXME minimal escaping
- if (cookies[p] == '\\' && p + 1 < pos_dquote)
- {
- p++;
- if (cookies[p] == '\\' || cookies[p] == '"')
- value += cookies[p];
- else
- {
- value += '\\';
- value += cookies[p];
- }
- }
- else
- value += cookies[p];
- }
- }
-
- ctx.jar.emplace(std::move(name), std::move(value));
- pos = cookies.find(";", pos_dquote+1);
- if (pos == cookies.npos)
- break;
- pos++;
- while(pos < cookies.size() && cookies[pos] == ' ') pos++;
- if (pos == cookies.size())
- break;
- }
- else
- {
- size_t pos_semicolon = cookies.find(';', pos);
- value = cookies.substr(pos, pos_semicolon - pos);
- boost::trim(value);
- ctx.jar.emplace(std::move(name), std::move(value));
- pos = pos_semicolon;
- if (pos == cookies.npos)
- break;
- pos ++;
- while(pos < cookies.size() && cookies[pos] == ' ') pos++;
- if (pos == cookies.size())
- break;
- }
- }
- }
-
- void after_handle(request& /*req*/, response& res, context& ctx)
- {
- for(auto& cookie:ctx.cookies_to_add)
- {
- res.add_header("Set-Cookie", cookie.first + "=" + cookie.second);
- }
- }
- };
-
- /*
- App<CookieParser, AnotherJarMW> app;
- A B C
- A::context
- int aa;
-
- ctx1 : public A::context
- ctx2 : public ctx1, public B::context
- ctx3 : public ctx2, public C::context
-
- C depends on A
-
- C::handle
- context.aaa
-
- App::context : private CookieParser::contetx, ...
- {
- jar
-
- }
-
- SimpleApp
- */
-}
-
-
-
-#pragma once
-#include <boost/asio.hpp>
-#include <boost/algorithm/string/predicate.hpp>
-#include <boost/lexical_cast.hpp>
-#include <boost/array.hpp>
-#include <atomic>
-#include <chrono>
-#include <vector>
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-namespace crow
-{
- using namespace boost;
- using tcp = asio::ip::tcp;
-
- namespace detail
- {
- template <typename MW>
- struct check_before_handle_arity_3_const
- {
- template <typename T,
- void (T::*)(request&, response&, typename MW::context&) const = &T::before_handle
- >
- struct get
- { };
- };
-
- template <typename MW>
- struct check_before_handle_arity_3
- {
- template <typename T,
- void (T::*)(request&, response&, typename MW::context&) = &T::before_handle
- >
- struct get
- { };
- };
-
- template <typename MW>
- struct check_after_handle_arity_3_const
- {
- template <typename T,
- void (T::*)(request&, response&, typename MW::context&) const = &T::after_handle
- >
- struct get
- { };
- };
-
- template <typename MW>
- struct check_after_handle_arity_3
- {
- template <typename T,
- void (T::*)(request&, response&, typename MW::context&) = &T::after_handle
- >
- struct get
- { };
- };
-
- template <typename T>
- struct is_before_handle_arity_3_impl
- {
- template <typename C>
- static std::true_type f(typename check_before_handle_arity_3_const<T>::template get<C>*);
-
- template <typename C>
- static std::true_type f(typename check_before_handle_arity_3<T>::template get<C>*);
-
- template <typename C>
- static std::false_type f(...);
-
- public:
- static const bool value = decltype(f<T>(nullptr))::value;
- };
-
- template <typename T>
- struct is_after_handle_arity_3_impl
- {
- template <typename C>
- static std::true_type f(typename check_after_handle_arity_3_const<T>::template get<C>*);
-
- template <typename C>
- static std::true_type f(typename check_after_handle_arity_3<T>::template get<C>*);
-
- template <typename C>
- static std::false_type f(...);
-
- public:
- static const bool value = decltype(f<T>(nullptr))::value;
- };
-
- template <typename MW, typename Context, typename ParentContext>
- typename std::enable_if<!is_before_handle_arity_3_impl<MW>::value>::type
- before_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/)
- {
- mw.before_handle(req, res, ctx.template get<MW>(), ctx);
- }
-
- template <typename MW, typename Context, typename ParentContext>
- typename std::enable_if<is_before_handle_arity_3_impl<MW>::value>::type
- before_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/)
- {
- mw.before_handle(req, res, ctx.template get<MW>());
- }
-
- template <typename MW, typename Context, typename ParentContext>
- typename std::enable_if<!is_after_handle_arity_3_impl<MW>::value>::type
- after_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/)
- {
- mw.after_handle(req, res, ctx.template get<MW>(), ctx);
- }
-
- template <typename MW, typename Context, typename ParentContext>
- typename std::enable_if<is_after_handle_arity_3_impl<MW>::value>::type
- after_handler_call(MW& mw, request& req, response& res, Context& ctx, ParentContext& /*parent_ctx*/)
- {
- mw.after_handle(req, res, ctx.template get<MW>());
- }
-
- template <int N, typename Context, typename Container, typename CurrentMW, typename ... Middlewares>
- bool middleware_call_helper(Container& middlewares, request& req, response& res, Context& ctx)
- {
- using parent_context_t = typename Context::template partial<N-1>;
- before_handler_call<CurrentMW, Context, parent_context_t>(std::get<N>(middlewares), req, res, ctx, static_cast<parent_context_t&>(ctx));
-
- if (res.is_completed())
- {
- after_handler_call<CurrentMW, Context, parent_context_t>(std::get<N>(middlewares), req, res, ctx, static_cast<parent_context_t&>(ctx));
- return true;
- }
-
- if (middleware_call_helper<N+1, Context, Container, Middlewares...>(middlewares, req, res, ctx))
- {
- after_handler_call<CurrentMW, Context, parent_context_t>(std::get<N>(middlewares), req, res, ctx, static_cast<parent_context_t&>(ctx));
- return true;
- }
-
- return false;
- }
-
- template <int N, typename Context, typename Container>
- bool middleware_call_helper(Container& /*middlewares*/, request& /*req*/, response& /*res*/, Context& /*ctx*/)
- {
- return false;
- }
-
- template <int N, typename Context, typename Container>
- typename std::enable_if<(N<0)>::type
- after_handlers_call_helper(Container& /*middlewares*/, Context& /*context*/, request& /*req*/, response& /*res*/)
- {
- }
-
- template <int N, typename Context, typename Container>
- typename std::enable_if<(N==0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res)
- {
- using parent_context_t = typename Context::template partial<N-1>;
- using CurrentMW = typename std::tuple_element<N, typename std::remove_reference<Container>::type>::type;
- after_handler_call<CurrentMW, Context, parent_context_t>(std::get<N>(middlewares), req, res, ctx, static_cast<parent_context_t&>(ctx));
- }
-
- template <int N, typename Context, typename Container>
- typename std::enable_if<(N>0)>::type after_handlers_call_helper(Container& middlewares, Context& ctx, request& req, response& res)
- {
- using parent_context_t = typename Context::template partial<N-1>;
- using CurrentMW = typename std::tuple_element<N, typename std::remove_reference<Container>::type>::type;
- after_handler_call<CurrentMW, Context, parent_context_t>(std::get<N>(middlewares), req, res, ctx, static_cast<parent_context_t&>(ctx));
- after_handlers_call_helper<N-1, Context, Container>(middlewares, ctx, req, res);
- }
- }
-
-#ifdef CROW_ENABLE_DEBUG
- static int connectionCount;
-#endif
- template <typename Adaptor, typename Handler, typename ... Middlewares>
- class Connection
- {
- public:
- Connection(
- boost::asio::io_service& io_service,
- Handler* handler,
- const std::string& server_name,
- std::tuple<Middlewares...>* middlewares,
- std::function<std::string()>& get_cached_date_str_f,
- detail::dumb_timer_queue& timer_queue,
- typename Adaptor::context* adaptor_ctx_
- )
- : adaptor_(io_service, adaptor_ctx_),
- handler_(handler),
- parser_(this),
- server_name_(server_name),
- middlewares_(middlewares),
- get_cached_date_str(get_cached_date_str_f),
- timer_queue(timer_queue)
- {
-#ifdef CROW_ENABLE_DEBUG
- connectionCount ++;
- CROW_LOG_DEBUG << "Connection open, total " << connectionCount << ", " << this;
-#endif
- }
-
- ~Connection()
- {
- res.complete_request_handler_ = nullptr;
- cancel_deadline_timer();
-#ifdef CROW_ENABLE_DEBUG
- connectionCount --;
- CROW_LOG_DEBUG << "Connection closed, total " << connectionCount << ", " << this;
-#endif
- }
-
- decltype(std::declval<Adaptor>().raw_socket())& socket()
- {
- return adaptor_.raw_socket();
- }
-
- void start()
- {
- adaptor_.start([this](const boost::system::error_code& ec) {
- if (!ec)
- {
- start_deadline();
-
- do_read();
- }
- else
- {
- check_destroy();
- }
- });
- }
-
- void handle_header()
- {
- // HTTP 1.1 Expect: 100-continue
- if (parser_.check_version(1, 1) && parser_.headers.count("expect") && get_header_value(parser_.headers, "expect") == "100-continue")
- {
- buffers_.clear();
- static std::string expect_100_continue = "HTTP/1.1 100 Continue\r\n\r\n";
- buffers_.emplace_back(expect_100_continue.data(), expect_100_continue.size());
- do_write();
- }
- }
-
- void handle()
- {
- cancel_deadline_timer();
- bool is_invalid_request = false;
- add_keep_alive_ = false;
-
- req_ = std::move(parser_.to_request());
- request& req = req_;
-
- if (parser_.check_version(1, 0))
- {
- // HTTP/1.0
- if (req.headers.count("connection"))
- {
- if (boost::iequals(req.get_header_value("connection"),"Keep-Alive"))
- add_keep_alive_ = true;
- }
- else
- close_connection_ = true;
- }
- else if (parser_.check_version(1, 1))
- {
- // HTTP/1.1
- if (req.headers.count("connection"))
- {
- if (req.get_header_value("connection") == "close")
- close_connection_ = true;
- else if (boost::iequals(req.get_header_value("connection"),"Keep-Alive"))
- add_keep_alive_ = true;
- }
- if (!req.headers.count("host"))
- {
- is_invalid_request = true;
- res = response(400);
- }
- if (parser_.is_upgrade())
- {
- if (req.get_header_value("upgrade") == "h2c")
- {
- // TODO HTTP/2
- // currently, ignore upgrade header
- }
- else
- {
- close_connection_ = true;
- handler_->handle_upgrade(req, res, std::move(adaptor_));
- return;
- }
- }
- }
-
- CROW_LOG_INFO << "Request: " << boost::lexical_cast<std::string>(adaptor_.remote_endpoint()) << " " << this << " HTTP/" << parser_.http_major << "." << parser_.http_minor << ' '
- << method_name(req.method) << " " << req.url;
-
-
- need_to_call_after_handlers_ = false;
- if (!is_invalid_request)
- {
- res.complete_request_handler_ = []{};
- res.is_alive_helper_ = [this]()->bool{ return adaptor_.is_open(); };
-
- ctx_ = detail::context<Middlewares...>();
- req.middleware_context = (void*)&ctx_;
- req.io_service = &adaptor_.get_io_service();
- detail::middleware_call_helper<0, decltype(ctx_), decltype(*middlewares_), Middlewares...>(*middlewares_, req, res, ctx_);
-
- if (!res.completed_)
- {
- res.complete_request_handler_ = [this]{ this->complete_request(); };
- need_to_call_after_handlers_ = true;
- handler_->handle(req, res);
- if (add_keep_alive_)
- res.set_header("connection", "Keep-Alive");
- }
- else
- {
- complete_request();
- }
- }
- else
- {
- complete_request();
- }
- }
-
- void complete_request()
- {
- CROW_LOG_INFO << "Response: " << this << ' ' << req_.raw_url << ' ' << res.code << ' ' << close_connection_;
-
- if (need_to_call_after_handlers_)
- {
- need_to_call_after_handlers_ = false;
-
- // call all after_handler of middlewares
- detail::after_handlers_call_helper<
- ((int)sizeof...(Middlewares)-1),
- decltype(ctx_),
- decltype(*middlewares_)>
- (*middlewares_, ctx_, req_, res);
- }
-
- //auto self = this->shared_from_this();
- res.complete_request_handler_ = nullptr;
-
- if (!adaptor_.is_open())
- {
- //CROW_LOG_DEBUG << this << " delete (socket is closed) " << is_reading << ' ' << is_writing;
- //delete this;
- return;
- }
-
- static std::unordered_map<int, std::string> statusCodes = {
- {200, "HTTP/1.1 200 OK\r\n"},
- {201, "HTTP/1.1 201 Created\r\n"},
- {202, "HTTP/1.1 202 Accepted\r\n"},
- {204, "HTTP/1.1 204 No Content\r\n"},
-
- {300, "HTTP/1.1 300 Multiple Choices\r\n"},
- {301, "HTTP/1.1 301 Moved Permanently\r\n"},
- {302, "HTTP/1.1 302 Moved Temporarily\r\n"},
- {304, "HTTP/1.1 304 Not Modified\r\n"},
-
- {400, "HTTP/1.1 400 Bad Request\r\n"},
- {401, "HTTP/1.1 401 Unauthorized\r\n"},
- {403, "HTTP/1.1 403 Forbidden\r\n"},
- {404, "HTTP/1.1 404 Not Found\r\n"},
- {422, "HTTP/1.1 422 Unprocessable Entity\r\n"},
-
- {500, "HTTP/1.1 500 Internal Server Error\r\n"},
- {501, "HTTP/1.1 501 Not Implemented\r\n"},
- {502, "HTTP/1.1 502 Bad Gateway\r\n"},
- {503, "HTTP/1.1 503 Service Unavailable\r\n"},
- };
-
- static std::string seperator = ": ";
- static std::string crlf = "\r\n";
-
- buffers_.clear();
- buffers_.reserve(4*(res.headers.size()+5)+3);
-
- if (res.body.empty() && res.json_value.t() == json::type::Object)
- {
- res.body = json::dump(res.json_value);
- }
-
- if (!statusCodes.count(res.code))
- res.code = 500;
- {
- auto& status = statusCodes.find(res.code)->second;
- buffers_.emplace_back(status.data(), status.size());
- }
-
- if (res.code >= 400 && res.body.empty())
- res.body = statusCodes[res.code].substr(9);
-
- for(auto& kv : res.headers)
- {
- buffers_.emplace_back(kv.first.data(), kv.first.size());
- buffers_.emplace_back(seperator.data(), seperator.size());
- buffers_.emplace_back(kv.second.data(), kv.second.size());
- buffers_.emplace_back(crlf.data(), crlf.size());
-
- }
-
- if (!res.headers.count("content-length"))
- {
- content_length_ = std::to_string(res.body.size());
- static std::string content_length_tag = "Content-Length: ";
- buffers_.emplace_back(content_length_tag.data(), content_length_tag.size());
- buffers_.emplace_back(content_length_.data(), content_length_.size());
- buffers_.emplace_back(crlf.data(), crlf.size());
- }
- if (!res.headers.count("server"))
- {
- static std::string server_tag = "Server: ";
- buffers_.emplace_back(server_tag.data(), server_tag.size());
- buffers_.emplace_back(server_name_.data(), server_name_.size());
- buffers_.emplace_back(crlf.data(), crlf.size());
- }
- if (!res.headers.count("date"))
- {
- static std::string date_tag = "Date: ";
- date_str_ = get_cached_date_str();
- buffers_.emplace_back(date_tag.data(), date_tag.size());
- buffers_.emplace_back(date_str_.data(), date_str_.size());
- buffers_.emplace_back(crlf.data(), crlf.size());
- }
- if (add_keep_alive_)
- {
- static std::string keep_alive_tag = "Connection: Keep-Alive";
- buffers_.emplace_back(keep_alive_tag.data(), keep_alive_tag.size());
- buffers_.emplace_back(crlf.data(), crlf.size());
- }
-
- buffers_.emplace_back(crlf.data(), crlf.size());
- res_body_copy_.swap(res.body);
- buffers_.emplace_back(res_body_copy_.data(), res_body_copy_.size());
-
- do_write();
-
- if (need_to_start_read_after_complete_)
- {
- need_to_start_read_after_complete_ = false;
- start_deadline();
- do_read();
- }
- }
-
- private:
- void do_read()
- {
- //auto self = this->shared_from_this();
- is_reading = true;
- adaptor_.socket().async_read_some(boost::asio::buffer(buffer_),
- [this](const boost::system::error_code& ec, std::size_t bytes_transferred)
- {
- bool error_while_reading = true;
- if (!ec)
- {
- bool ret = parser_.feed(buffer_.data(), bytes_transferred);
- if (ret && adaptor_.is_open())
- {
- error_while_reading = false;
- }
- }
-
- if (error_while_reading)
- {
- cancel_deadline_timer();
- parser_.done();
- adaptor_.close();
- is_reading = false;
- CROW_LOG_DEBUG << this << " from read(1)";
- check_destroy();
- }
- else if (close_connection_)
- {
- cancel_deadline_timer();
- parser_.done();
- is_reading = false;
- check_destroy();
- // adaptor will close after write
- }
- else if (!need_to_call_after_handlers_)
- {
- start_deadline();
- do_read();
- }
- else
- {
- // res will be completed later by user
- need_to_start_read_after_complete_ = true;
- }
- });
- }
-
- void do_write()
- {
- //auto self = this->shared_from_this();
- is_writing = true;
- boost::asio::async_write(adaptor_.socket(), buffers_,
- [&](const boost::system::error_code& ec, std::size_t /*bytes_transferred*/)
- {
- is_writing = false;
- res.clear();
- res_body_copy_.clear();
- if (!ec)
- {
- if (close_connection_)
- {
- adaptor_.close();
- CROW_LOG_DEBUG << this << " from write(1)";
- check_destroy();
- }
- }
- else
- {
- CROW_LOG_DEBUG << this << " from write(2)";
- check_destroy();
- }
- });
- }
-
- void check_destroy()
- {
- CROW_LOG_DEBUG << this << " is_reading " << is_reading << " is_writing " << is_writing;
- if (!is_reading && !is_writing)
- {
- CROW_LOG_DEBUG << this << " delete (idle) ";
- delete this;
- }
- }
-
- void cancel_deadline_timer()
- {
- CROW_LOG_DEBUG << this << " timer cancelled: " << timer_cancel_key_.first << ' ' << timer_cancel_key_.second;
- timer_queue.cancel(timer_cancel_key_);
- }
-
- void start_deadline(/*int timeout = 5*/)
- {
- cancel_deadline_timer();
-
- timer_cancel_key_ = timer_queue.add([this]
- {
- if (!adaptor_.is_open())
- {
- return;
- }
- adaptor_.close();
- });
- CROW_LOG_DEBUG << this << " timer added: " << timer_cancel_key_.first << ' ' << timer_cancel_key_.second;
- }
-
- private:
- Adaptor adaptor_;
- Handler* handler_;
-
- boost::array<char, 4096> buffer_;
-
- HTTPParser<Connection> parser_;
- request req_;
- response res;
-
- bool close_connection_ = false;
-
- const std::string& server_name_;
- std::vector<boost::asio::const_buffer> buffers_;
-
- std::string content_length_;
- std::string date_str_;
- std::string res_body_copy_;
-
- //boost::asio::deadline_timer deadline_;
- detail::dumb_timer_queue::key timer_cancel_key_;
-
- bool is_reading{};
- bool is_writing{};
- bool need_to_call_after_handlers_{};
- bool need_to_start_read_after_complete_{};
- bool add_keep_alive_{};
-
- std::tuple<Middlewares...>* middlewares_;
- detail::context<Middlewares...> ctx_;
-
- std::function<std::string()>& get_cached_date_str;
- detail::dumb_timer_queue& timer_queue;
- };
-
-}
-
-
-
-#pragma once
-
-#include <chrono>
-#include <boost/date_time/posix_time/posix_time.hpp>
-#include <boost/asio.hpp>
-#ifdef CROW_ENABLE_SSL
-#include <boost/asio/ssl.hpp>
-#endif
-#include <cstdint>
-#include <atomic>
-#include <future>
-#include <vector>
-
-#include <memory>
-
-
-
-
-
-
-
-
-namespace crow
-{
- using namespace boost;
- using tcp = asio::ip::tcp;
-
- template <typename Handler, typename Adaptor = SocketAdaptor, typename ... Middlewares>
- class Server
- {
- public:
- Server(Handler* handler, std::string bindaddr, uint16_t port, std::tuple<Middlewares...>* middlewares = nullptr, uint16_t concurrency = 1, typename Adaptor::context* adaptor_ctx = nullptr)
- : acceptor_(io_service_, tcp::endpoint(boost::asio::ip::address::from_string(bindaddr), port)),
- signals_(io_service_, SIGINT, SIGTERM),
- tick_timer_(io_service_),
- handler_(handler),
- concurrency_(concurrency),
- port_(port),
- bindaddr_(bindaddr),
- middlewares_(middlewares),
- adaptor_ctx_(adaptor_ctx)
- {
- }
-
- void set_tick_function(std::chrono::milliseconds d, std::function<void()> f)
- {
- tick_interval_ = d;
- tick_function_ = f;
- }
-
- void on_tick()
- {
- tick_function_();
- tick_timer_.expires_from_now(boost::posix_time::milliseconds(tick_interval_.count()));
- tick_timer_.async_wait([this](const boost::system::error_code& ec)
- {
- if (ec)
- return;
- on_tick();
- });
- }
-
- void run()
- {
- if (concurrency_ < 0)
- concurrency_ = 1;
-
- for(int i = 0; i < concurrency_; i++)
- io_service_pool_.emplace_back(new boost::asio::io_service());
- get_cached_date_str_pool_.resize(concurrency_);
- timer_queue_pool_.resize(concurrency_);
-
- std::vector<std::future<void>> v;
- std::atomic<int> init_count(0);
- for(uint16_t i = 0; i < concurrency_; i ++)
- v.push_back(
- std::async(std::launch::async, [this, i, &init_count]{
-
- // thread local date string get function
- auto last = std::chrono::steady_clock::now();
-
- std::string date_str;
- auto update_date_str = [&]
- {
- auto last_time_t = time(0);
- tm my_tm;
-
-#ifdef _MSC_VER
- gmtime_s(&my_tm, &last_time_t);
-#else
- gmtime_r(&last_time_t, &my_tm);
-#endif
- date_str.resize(100);
- size_t date_str_sz = strftime(&date_str[0], 99, "%a, %d %b %Y %H:%M:%S GMT", &my_tm);
- date_str.resize(date_str_sz);
- };
- update_date_str();
- get_cached_date_str_pool_[i] = [&]()->std::string
- {
- if (std::chrono::steady_clock::now() - last >= std::chrono::seconds(1))
- {
- last = std::chrono::steady_clock::now();
- update_date_str();
- }
- return date_str;
- };
-
- // initializing timer queue
- detail::dumb_timer_queue timer_queue;
- timer_queue_pool_[i] = &timer_queue;
-
- timer_queue.set_io_service(*io_service_pool_[i]);
- boost::asio::deadline_timer timer(*io_service_pool_[i]);
- timer.expires_from_now(boost::posix_time::seconds(1));
-
- std::function<void(const boost::system::error_code& ec)> handler;
- handler = [&](const boost::system::error_code& ec){
- if (ec)
- return;
- timer_queue.process();
- timer.expires_from_now(boost::posix_time::seconds(1));
- timer.async_wait(handler);
- };
- timer.async_wait(handler);
-
- init_count ++;
- try
- {
- io_service_pool_[i]->run();
- } catch(std::exception& e)
- {
- CROW_LOG_ERROR << "Worker Crash: An uncaught exception occurred: " << e.what();
- }
- }));
-
- if (tick_function_ && tick_interval_.count() > 0)
- {
- tick_timer_.expires_from_now(boost::posix_time::milliseconds(tick_interval_.count()));
- tick_timer_.async_wait([this](const boost::system::error_code& ec)
- {
- if (ec)
- return;
- on_tick();
- });
- }
-
- CROW_LOG_INFO << server_name_ << " server is running, local port " << port_;
-
- signals_.async_wait(
- [&](const boost::system::error_code& /*error*/, int /*signal_number*/){
- stop();
- });
-
- while(concurrency_ != init_count)
- std::this_thread::yield();
-
- do_accept();
-
- std::thread([this]{
- io_service_.run();
- CROW_LOG_INFO << "Exiting.";
- }).join();
- }
-
- void stop()
- {
- io_service_.stop();
- for(auto& io_service:io_service_pool_)
- io_service->stop();
- }
-
- private:
- asio::io_service& pick_io_service()
- {
- // TODO load balancing
- roundrobin_index_++;
- if (roundrobin_index_ >= io_service_pool_.size())
- roundrobin_index_ = 0;
- return *io_service_pool_[roundrobin_index_];
- }
-
- void do_accept()
- {
- asio::io_service& is = pick_io_service();
- auto p = new Connection<Adaptor, Handler, Middlewares...>(
- is, handler_, server_name_, middlewares_,
- get_cached_date_str_pool_[roundrobin_index_], *timer_queue_pool_[roundrobin_index_],
- adaptor_ctx_);
- acceptor_.async_accept(p->socket(),
- [this, p, &is](boost::system::error_code ec)
- {
- if (!ec)
- {
- is.post([p]
- {
- p->start();
- });
- }
- do_accept();
- });
- }
-
- private:
- asio::io_service io_service_;
- std::vector<std::unique_ptr<asio::io_service>> io_service_pool_;
- std::vector<detail::dumb_timer_queue*> timer_queue_pool_;
- std::vector<std::function<std::string()>> get_cached_date_str_pool_;
- tcp::acceptor acceptor_;
- boost::asio::signal_set signals_;
- boost::asio::deadline_timer tick_timer_;
-
- Handler* handler_;
- uint16_t concurrency_{1};
- std::string server_name_ = "Crow/0.1";
- uint16_t port_;
- std::string bindaddr_;
- unsigned int roundrobin_index_{};
-
- std::chrono::milliseconds tick_interval_;
- std::function<void()> tick_function_;
-
- std::tuple<Middlewares...>* middlewares_;
-
-#ifdef CROW_ENABLE_SSL
- bool use_ssl_{false};
- boost::asio::ssl::context ssl_context_{boost::asio::ssl::context::sslv23};
-#endif
- typename Adaptor::context* adaptor_ctx_;
- };
-}
-
-
-
-#pragma once
-
-#include <chrono>
-#include <string>
-#include <functional>
-#include <memory>
-#include <future>
-#include <cstdint>
-#include <type_traits>
-#include <thread>
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#ifdef CROW_MSVC_WORKAROUND
-#define CROW_ROUTE(app, url) app.route_dynamic(url)
-#else
-#define CROW_ROUTE(app, url) app.route<crow::black_magic::get_parameter_tag(url)>(url)
-#endif
-
-namespace crow
-{
-#ifdef CROW_ENABLE_SSL
- using ssl_context_t = boost::asio::ssl::context;
-#endif
- template <typename ... Middlewares>
- class Crow
- {
- public:
- using self_t = Crow;
- using server_t = Server<Crow, SocketAdaptor, Middlewares...>;
-#ifdef CROW_ENABLE_SSL
- using ssl_server_t = Server<Crow, SSLAdaptor, Middlewares...>;
-#endif
- Crow()
- {
- }
-
- template <typename Adaptor>
- void handle_upgrade(const request& req, response& res, Adaptor&& adaptor)
- {
- router_.handle_upgrade(req, res, adaptor);
- }
-
- void handle(const request& req, response& res)
- {
- router_.handle(req, res);
- }
-
- DynamicRule& route_dynamic(std::string&& rule)
- {
- return router_.new_rule_dynamic(std::move(rule));
- }
-
- template <uint64_t Tag>
- auto route(std::string&& rule)
- -> typename std::result_of<decltype(&Router::new_rule_tagged<Tag>)(Router, std::string&&)>::type
- {
- return router_.new_rule_tagged<Tag>(std::move(rule));
- }
-
- self_t& port(std::uint16_t port)
- {
- port_ = port;
- return *this;
- }
-
- self_t& bindaddr(std::string bindaddr)
- {
- bindaddr_ = bindaddr;
- return *this;
- }
-
- self_t& multithreaded()
- {
- return concurrency(std::thread::hardware_concurrency());
- }
-
- self_t& concurrency(std::uint16_t concurrency)
- {
- if (concurrency < 1)
- concurrency = 1;
- concurrency_ = concurrency;
- return *this;
- }
-
- void validate()
- {
- router_.validate();
- }
-
- void run()
- {
- validate();
-#ifdef CROW_ENABLE_SSL
- if (use_ssl_)
- {
- ssl_server_ = std::move(std::unique_ptr<ssl_server_t>(new ssl_server_t(this, bindaddr_, port_, &middlewares_, concurrency_, &ssl_context_)));
- ssl_server_->set_tick_function(tick_interval_, tick_function_);
- ssl_server_->run();
- }
- else
-#endif
- {
- server_ = std::move(std::unique_ptr<server_t>(new server_t(this, bindaddr_, port_, &middlewares_, concurrency_, nullptr)));
- server_->set_tick_function(tick_interval_, tick_function_);
- server_->run();
- }
- }
-
- void stop()
- {
-#ifdef CROW_ENABLE_SSL
- if (use_ssl_)
- {
- ssl_server_->stop();
- }
- else
-#endif
- {
- server_->stop();
- }
- }
-
- void debug_print()
- {
- CROW_LOG_DEBUG << "Routing:";
- router_.debug_print();
- }
-
-#ifdef CROW_ENABLE_SSL
- self_t& ssl_file(const std::string& crt_filename, const std::string& key_filename)
- {
- use_ssl_ = true;
- ssl_context_.set_verify_mode(boost::asio::ssl::verify_peer);
- ssl_context_.use_certificate_file(crt_filename, ssl_context_t::pem);
- ssl_context_.use_private_key_file(key_filename, ssl_context_t::pem);
- ssl_context_.set_options(
- boost::asio::ssl::context::default_workarounds
- | boost::asio::ssl::context::no_sslv2
- | boost::asio::ssl::context::no_sslv3
- );
- return *this;
- }
-
- self_t& ssl_file(const std::string& pem_filename)
- {
- use_ssl_ = true;
- ssl_context_.set_verify_mode(boost::asio::ssl::verify_peer);
- ssl_context_.load_verify_file(pem_filename);
- ssl_context_.set_options(
- boost::asio::ssl::context::default_workarounds
- | boost::asio::ssl::context::no_sslv2
- | boost::asio::ssl::context::no_sslv3
- );
- return *this;
- }
-
- self_t& ssl(boost::asio::ssl::context&& ctx)
- {
- use_ssl_ = true;
- ssl_context_ = std::move(ctx);
- return *this;
- }
-
-
- bool use_ssl_{false};
- ssl_context_t ssl_context_{boost::asio::ssl::context::sslv23};
-
-#else
- template <typename T, typename ... Remain>
- self_t& ssl_file(T&&, Remain&&...)
- {
- // We can't call .ssl() member function unless CROW_ENABLE_SSL is defined.
- static_assert(
- // make static_assert dependent to T; always false
- std::is_base_of<T, void>::value,
- "Define CROW_ENABLE_SSL to enable ssl support.");
- return *this;
- }
-
- template <typename T>
- self_t& ssl(T&&)
- {
- // We can't call .ssl() member function unless CROW_ENABLE_SSL is defined.
- static_assert(
- // make static_assert dependent to T; always false
- std::is_base_of<T, void>::value,
- "Define CROW_ENABLE_SSL to enable ssl support.");
- return *this;
- }
-#endif
-
- // middleware
- using context_t = detail::context<Middlewares...>;
- template <typename T>
- typename T::context& get_context(const request& req)
- {
- static_assert(black_magic::contains<T, Middlewares...>::value, "App doesn't have the specified middleware type.");
- auto& ctx = *reinterpret_cast<context_t*>(req.middleware_context);
- return ctx.template get<T>();
- }
-
- template <typename T>
- T& get_middleware()
- {
- return utility::get_element_by_type<T, Middlewares...>(middlewares_);
- }
-
- template <typename Duration, typename Func>
- self_t& tick(Duration d, Func f) {
- tick_interval_ = std::chrono::duration_cast<std::chrono::milliseconds>(d);
- tick_function_ = f;
- return *this;
- }
-
- private:
- uint16_t port_ = 80;
- uint16_t concurrency_ = 1;
- std::string bindaddr_ = "0.0.0.0";
- Router router_;
-
- std::chrono::milliseconds tick_interval_;
- std::function<void()> tick_function_;
-
- std::tuple<Middlewares...> middlewares_;
-
-#ifdef CROW_ENABLE_SSL
- std::unique_ptr<ssl_server_t> ssl_server_;
-#endif
- std::unique_ptr<server_t> server_;
- };
- template <typename ... Middlewares>
- using App = Crow<Middlewares...>;
- using SimpleApp = Crow<>;
-}
-
-
-
-#pragma once
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index b92539e..efb4acc 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -36,6 +36,7 @@ if (Tcmalloc_FOUND)
endif(Tcmalloc_FOUND)
add_executable(example_with_all example_with_all.cpp)
+add_dependencies(example_with_all amalgamation)
#target_link_libraries(example crow)
target_link_libraries(example_with_all ${Boost_LIBRARIES})
target_link_libraries(example_with_all ${CMAKE_THREAD_LIBS_INIT})
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-04-19 08:32:09 +0000