2896 linhas
58 KiB
C++
2896 linhas
58 KiB
C++
//
|
|
// httplib.h
|
|
//
|
|
// Copyright (c) 2019 Yuji Hirose. All rights reserved.
|
|
// MIT License
|
|
//
|
|
|
|
#ifndef CPPHTTPLIB_HTTPLIB_H
|
|
#define CPPHTTPLIB_HTTPLIB_H
|
|
|
|
#ifdef _WIN32
|
|
#ifndef _CRT_SECURE_NO_WARNINGS
|
|
#define _CRT_SECURE_NO_WARNINGS
|
|
#endif //_CRT_SECURE_NO_WARNINGS
|
|
|
|
#ifndef _CRT_NONSTDC_NO_DEPRECATE
|
|
#define _CRT_NONSTDC_NO_DEPRECATE
|
|
#endif //_CRT_NONSTDC_NO_DEPRECATE
|
|
|
|
#if defined(_MSC_VER) && _MSC_VER < 1900
|
|
#define snprintf _snprintf_s
|
|
#endif // _MSC_VER
|
|
|
|
#ifndef S_ISREG
|
|
#define S_ISREG(m) (((m)&S_IFREG) == S_IFREG)
|
|
#endif // S_ISREG
|
|
|
|
#ifndef S_ISDIR
|
|
#define S_ISDIR(m) (((m)&S_IFDIR) == S_IFDIR)
|
|
#endif // S_ISDIR
|
|
|
|
#ifndef NOMINMAX
|
|
#define NOMINMAX
|
|
#endif // NOMINMAX
|
|
|
|
#include <io.h>
|
|
#include <winsock2.h>
|
|
#include <ws2tcpip.h>
|
|
|
|
#pragma comment(lib, "ws2_32.lib")
|
|
|
|
#ifndef strcasecmp
|
|
#define strcasecmp _stricmp
|
|
#endif // strcasecmp
|
|
|
|
typedef SOCKET socket_t;
|
|
#else
|
|
#include <arpa/inet.h>
|
|
#include <cstring>
|
|
#include <netdb.h>
|
|
#include <netinet/in.h>
|
|
#include <pthread.h>
|
|
#include <signal.h>
|
|
#include <sys/select.h>
|
|
#include <sys/socket.h>
|
|
#include <unistd.h>
|
|
|
|
typedef int socket_t;
|
|
#define INVALID_SOCKET (-1)
|
|
#endif //_WIN32
|
|
|
|
#include <assert.h>
|
|
#include <fcntl.h>
|
|
#include <fstream>
|
|
#include <functional>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <boost/regex.hpp>
|
|
#include <string>
|
|
#include <sys/stat.h>
|
|
#include <thread>
|
|
|
|
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
|
|
#include <openssl/err.h>
|
|
#include <openssl/ssl.h>
|
|
#endif
|
|
|
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
|
#include <zlib.h>
|
|
#endif
|
|
|
|
/*
|
|
* Configuration
|
|
*/
|
|
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5
|
|
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND 0
|
|
#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5
|
|
#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
|
|
#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH std::numeric_limits<uint64_t>::max()
|
|
|
|
namespace httplib
|
|
{
|
|
|
|
namespace detail
|
|
{
|
|
|
|
struct ci
|
|
{
|
|
bool operator()(const std::string &s1, const std::string &s2) const
|
|
{
|
|
return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(),
|
|
[](char c1, char c2) { return ::tolower(c1) < ::tolower(c2); });
|
|
}
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
enum class HttpVersion
|
|
{
|
|
v1_0 = 0,
|
|
v1_1
|
|
};
|
|
|
|
typedef std::multimap<std::string, std::string, detail::ci> Headers;
|
|
|
|
template <typename uint64_t, typename... Args>
|
|
std::pair<std::string, std::string> make_range_header(uint64_t value, Args... args);
|
|
|
|
typedef std::multimap<std::string, std::string> Params;
|
|
typedef boost::smatch Match;
|
|
typedef std::function<bool(uint64_t current, uint64_t total)> Progress;
|
|
|
|
struct MultipartFile
|
|
{
|
|
std::string filename;
|
|
std::string content_type;
|
|
size_t offset = 0;
|
|
size_t length = 0;
|
|
};
|
|
typedef std::multimap<std::string, MultipartFile> MultipartFiles;
|
|
|
|
struct Request
|
|
{
|
|
std::string version;
|
|
std::string method;
|
|
std::string target;
|
|
std::string path;
|
|
Headers headers;
|
|
std::string body;
|
|
Params params;
|
|
MultipartFiles files;
|
|
Match matches;
|
|
|
|
Progress progress;
|
|
|
|
bool has_header(const char *key) const;
|
|
std::string get_header_value(const char *key, size_t id = 0) const;
|
|
size_t get_header_value_count(const char *key) const;
|
|
void set_header(const char *key, const char *val);
|
|
|
|
bool has_param(const char *key) const;
|
|
std::string get_param_value(const char *key, size_t id = 0) const;
|
|
size_t get_param_value_count(const char *key) const;
|
|
|
|
bool has_file(const char *key) const;
|
|
MultipartFile get_file_value(const char *key) const;
|
|
};
|
|
|
|
struct Response
|
|
{
|
|
std::string version;
|
|
int status;
|
|
Headers headers;
|
|
std::string body;
|
|
std::function<std::string(uint64_t offset)> streamcb;
|
|
|
|
bool has_header(const char *key) const;
|
|
std::string get_header_value(const char *key, size_t id = 0) const;
|
|
size_t get_header_value_count(const char *key) const;
|
|
void set_header(const char *key, const char *val);
|
|
|
|
void set_redirect(const char *uri);
|
|
void set_content(const char *s, size_t n, const char *content_type);
|
|
void set_content(const std::string &s, const char *content_type);
|
|
|
|
Response() : status(-1)
|
|
{
|
|
}
|
|
};
|
|
|
|
class Stream
|
|
{
|
|
public:
|
|
virtual ~Stream()
|
|
{
|
|
}
|
|
virtual int read(char *ptr, size_t size) = 0;
|
|
virtual int write(const char *ptr, size_t size1) = 0;
|
|
virtual int write(const char *ptr) = 0;
|
|
virtual std::string get_remote_addr() const = 0;
|
|
|
|
template <typename... Args> void write_format(const char *fmt, const Args &...args);
|
|
};
|
|
|
|
class SocketStream : public Stream
|
|
{
|
|
public:
|
|
SocketStream(socket_t sock);
|
|
virtual ~SocketStream();
|
|
|
|
virtual int read(char *ptr, size_t size);
|
|
virtual int write(const char *ptr, size_t size);
|
|
virtual int write(const char *ptr);
|
|
virtual std::string get_remote_addr() const;
|
|
|
|
private:
|
|
socket_t sock_;
|
|
};
|
|
|
|
class BufferStream : public Stream
|
|
{
|
|
public:
|
|
BufferStream()
|
|
{
|
|
}
|
|
virtual ~BufferStream()
|
|
{
|
|
}
|
|
|
|
virtual int read(char *ptr, size_t size);
|
|
virtual int write(const char *ptr, size_t size);
|
|
virtual int write(const char *ptr);
|
|
virtual std::string get_remote_addr() const;
|
|
|
|
const std::string &get_buffer() const;
|
|
|
|
private:
|
|
std::string buffer;
|
|
};
|
|
|
|
class Server
|
|
{
|
|
public:
|
|
typedef std::function<void(const Request &, Response &)> Handler;
|
|
typedef std::function<void(const Request &, const Response &)> Logger;
|
|
|
|
Server();
|
|
|
|
virtual ~Server();
|
|
|
|
virtual bool is_valid() const;
|
|
|
|
Server &Get(const char *pattern, Handler handler);
|
|
Server &Post(const char *pattern, Handler handler);
|
|
|
|
Server &Put(const char *pattern, Handler handler);
|
|
Server &Patch(const char *pattern, Handler handler);
|
|
Server &Delete(const char *pattern, Handler handler);
|
|
Server &Options(const char *pattern, Handler handler);
|
|
|
|
bool set_base_dir(const char *path);
|
|
|
|
void set_error_handler(Handler handler);
|
|
void set_logger(Logger logger);
|
|
|
|
void set_keep_alive_max_count(size_t count);
|
|
void set_payload_max_length(uint64_t length);
|
|
|
|
int bind_to_any_port(const char *host, int socket_flags = 0);
|
|
bool listen_after_bind();
|
|
|
|
bool listen(const char *host, int port, int socket_flags = 0);
|
|
|
|
bool is_running() const;
|
|
void stop();
|
|
|
|
protected:
|
|
bool process_request(Stream &strm, bool last_connection, bool &connection_close);
|
|
|
|
size_t keep_alive_max_count_;
|
|
size_t payload_max_length_;
|
|
|
|
private:
|
|
typedef std::vector<std::pair<boost::regex, Handler>> Handlers;
|
|
|
|
socket_t create_server_socket(const char *host, int port, int socket_flags) const;
|
|
int bind_internal(const char *host, int port, int socket_flags);
|
|
bool listen_internal();
|
|
|
|
bool routing(Request &req, Response &res);
|
|
bool handle_file_request(Request &req, Response &res);
|
|
bool dispatch_request(Request &req, Response &res, Handlers &handlers);
|
|
|
|
bool parse_request_line(const char *s, Request &req);
|
|
void write_response(Stream &strm, bool last_connection, const Request &req, Response &res);
|
|
|
|
virtual bool read_and_close_socket(socket_t sock);
|
|
|
|
bool is_running_;
|
|
socket_t svr_sock_;
|
|
std::string base_dir_;
|
|
Handlers get_handlers_;
|
|
Handlers post_handlers_;
|
|
Handlers put_handlers_;
|
|
Handlers patch_handlers_;
|
|
Handlers delete_handlers_;
|
|
Handlers options_handlers_;
|
|
Handler error_handler_;
|
|
Logger logger_;
|
|
|
|
// TODO: Use thread pool...
|
|
std::mutex running_threads_mutex_;
|
|
int running_threads_;
|
|
};
|
|
|
|
class Client
|
|
{
|
|
public:
|
|
Client(const char *host, int port = 80, time_t timeout_sec = 300);
|
|
|
|
virtual ~Client();
|
|
|
|
virtual bool is_valid() const;
|
|
|
|
std::shared_ptr<Response> Get(const char *path, Progress progress = nullptr);
|
|
std::shared_ptr<Response> Get(const char *path, const Headers &headers, Progress progress = nullptr);
|
|
|
|
std::shared_ptr<Response> Head(const char *path);
|
|
std::shared_ptr<Response> Head(const char *path, const Headers &headers);
|
|
|
|
std::shared_ptr<Response> Post(const char *path, const std::string &body, const char *content_type);
|
|
std::shared_ptr<Response> Post(const char *path, const Headers &headers, const std::string &body,
|
|
const char *content_type);
|
|
|
|
std::shared_ptr<Response> Post(const char *path, const Params ¶ms);
|
|
std::shared_ptr<Response> Post(const char *path, const Headers &headers, const Params ¶ms);
|
|
|
|
std::shared_ptr<Response> Put(const char *path, const std::string &body, const char *content_type);
|
|
std::shared_ptr<Response> Put(const char *path, const Headers &headers, const std::string &body,
|
|
const char *content_type);
|
|
|
|
std::shared_ptr<Response> Patch(const char *path, const std::string &body, const char *content_type);
|
|
std::shared_ptr<Response> Patch(const char *path, const Headers &headers, const std::string &body,
|
|
const char *content_type);
|
|
|
|
std::shared_ptr<Response> Delete(const char *path);
|
|
std::shared_ptr<Response> Delete(const char *path, const Headers &headers);
|
|
|
|
std::shared_ptr<Response> Options(const char *path);
|
|
std::shared_ptr<Response> Options(const char *path, const Headers &headers);
|
|
|
|
bool send(Request &req, Response &res);
|
|
|
|
protected:
|
|
bool process_request(Stream &strm, Request &req, Response &res, bool &connection_close);
|
|
|
|
const std::string host_;
|
|
const int port_;
|
|
time_t timeout_sec_;
|
|
const std::string host_and_port_;
|
|
|
|
private:
|
|
socket_t create_client_socket() const;
|
|
bool read_response_line(Stream &strm, Response &res);
|
|
void write_request(Stream &strm, Request &req);
|
|
|
|
virtual bool read_and_close_socket(socket_t sock, Request &req, Response &res);
|
|
virtual bool is_ssl() const;
|
|
};
|
|
|
|
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
|
|
class SSLSocketStream : public Stream
|
|
{
|
|
public:
|
|
SSLSocketStream(socket_t sock, SSL *ssl);
|
|
virtual ~SSLSocketStream();
|
|
|
|
virtual int read(char *ptr, size_t size);
|
|
virtual int write(const char *ptr, size_t size);
|
|
virtual int write(const char *ptr);
|
|
virtual std::string get_remote_addr() const;
|
|
|
|
private:
|
|
socket_t sock_;
|
|
SSL *ssl_;
|
|
};
|
|
|
|
class SSLServer : public Server
|
|
{
|
|
public:
|
|
SSLServer(const char *cert_path, const char *private_key_path);
|
|
|
|
virtual ~SSLServer();
|
|
|
|
virtual bool is_valid() const;
|
|
|
|
private:
|
|
virtual bool read_and_close_socket(socket_t sock);
|
|
|
|
SSL_CTX *ctx_;
|
|
std::mutex ctx_mutex_;
|
|
};
|
|
|
|
class SSLClient : public Client
|
|
{
|
|
public:
|
|
SSLClient(const char *host, int port = 443, time_t timeout_sec = 300);
|
|
|
|
virtual ~SSLClient();
|
|
|
|
virtual bool is_valid() const;
|
|
|
|
private:
|
|
virtual bool read_and_close_socket(socket_t sock, Request &req, Response &res);
|
|
virtual bool is_ssl() const;
|
|
|
|
SSL_CTX *ctx_;
|
|
std::mutex ctx_mutex_;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* Implementation
|
|
*/
|
|
namespace detail
|
|
{
|
|
|
|
template <class Fn> void split(const char *b, const char *e, char d, Fn fn)
|
|
{
|
|
int i = 0;
|
|
int beg = 0;
|
|
|
|
while(e ? (b + i != e) : (b[i] != '\0'))
|
|
{
|
|
if(b[i] == d)
|
|
{
|
|
fn(&b[beg], &b[i]);
|
|
beg = i + 1;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
if(i)
|
|
{
|
|
fn(&b[beg], &b[i]);
|
|
}
|
|
}
|
|
|
|
// NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer`
|
|
// to store data. The call can set memory on stack for performance.
|
|
class stream_line_reader
|
|
{
|
|
public:
|
|
stream_line_reader(Stream &strm, char *fixed_buffer, size_t fixed_buffer_size)
|
|
: strm_(strm), fixed_buffer_(fixed_buffer), fixed_buffer_size_(fixed_buffer_size)
|
|
{
|
|
}
|
|
|
|
const char *ptr() const
|
|
{
|
|
if(glowable_buffer_.empty())
|
|
{
|
|
return fixed_buffer_;
|
|
}
|
|
else
|
|
{
|
|
return glowable_buffer_.data();
|
|
}
|
|
}
|
|
|
|
size_t size() const
|
|
{
|
|
if(glowable_buffer_.empty())
|
|
{
|
|
return fixed_buffer_used_size_;
|
|
}
|
|
else
|
|
{
|
|
return glowable_buffer_.size();
|
|
}
|
|
}
|
|
|
|
bool getline()
|
|
{
|
|
fixed_buffer_used_size_ = 0;
|
|
glowable_buffer_.clear();
|
|
|
|
for(size_t i = 0;; i++)
|
|
{
|
|
char byte;
|
|
auto n = strm_.read(&byte, 1);
|
|
|
|
if(n < 0)
|
|
{
|
|
return false;
|
|
}
|
|
else if(n == 0)
|
|
{
|
|
if(i == 0)
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
append(byte);
|
|
|
|
if(byte == '\n')
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
void append(char c)
|
|
{
|
|
if(fixed_buffer_used_size_ < fixed_buffer_size_ - 1)
|
|
{
|
|
fixed_buffer_[fixed_buffer_used_size_++] = c;
|
|
fixed_buffer_[fixed_buffer_used_size_] = '\0';
|
|
}
|
|
else
|
|
{
|
|
if(glowable_buffer_.empty())
|
|
{
|
|
assert(fixed_buffer_[fixed_buffer_used_size_] == '\0');
|
|
glowable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_);
|
|
}
|
|
glowable_buffer_ += c;
|
|
}
|
|
}
|
|
|
|
Stream &strm_;
|
|
char *fixed_buffer_;
|
|
const size_t fixed_buffer_size_;
|
|
size_t fixed_buffer_used_size_;
|
|
std::string glowable_buffer_;
|
|
};
|
|
|
|
inline int close_socket(socket_t sock)
|
|
{
|
|
#ifdef _WIN32
|
|
return closesocket(sock);
|
|
#else
|
|
return close(sock);
|
|
#endif
|
|
}
|
|
|
|
inline int select_read(socket_t sock, time_t sec, time_t usec)
|
|
{
|
|
fd_set fds;
|
|
FD_ZERO(&fds);
|
|
FD_SET(sock, &fds);
|
|
|
|
timeval tv;
|
|
tv.tv_sec = static_cast<long>(sec);
|
|
tv.tv_usec = static_cast<long>(usec);
|
|
|
|
return select(static_cast<int>(sock + 1), &fds, NULL, NULL, &tv);
|
|
}
|
|
|
|
inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec)
|
|
{
|
|
fd_set fdsr;
|
|
FD_ZERO(&fdsr);
|
|
FD_SET(sock, &fdsr);
|
|
|
|
auto fdsw = fdsr;
|
|
auto fdse = fdsr;
|
|
|
|
timeval tv;
|
|
tv.tv_sec = static_cast<long>(sec);
|
|
tv.tv_usec = static_cast<long>(usec);
|
|
|
|
if(select(static_cast<int>(sock + 1), &fdsr, &fdsw, &fdse, &tv) < 0)
|
|
{
|
|
return false;
|
|
}
|
|
else if(FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))
|
|
{
|
|
int error = 0;
|
|
socklen_t len = sizeof(error);
|
|
if(getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&error, &len) < 0 || error)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
template <typename T> inline bool read_and_close_socket(socket_t sock, size_t keep_alive_max_count, T callback)
|
|
{
|
|
bool ret = false;
|
|
|
|
if(keep_alive_max_count > 0)
|
|
{
|
|
auto count = keep_alive_max_count;
|
|
while(count > 0 &&
|
|
detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)
|
|
{
|
|
SocketStream strm(sock);
|
|
auto last_connection = count == 1;
|
|
auto connection_close = false;
|
|
|
|
ret = callback(strm, last_connection, connection_close);
|
|
if(!ret || connection_close)
|
|
{
|
|
break;
|
|
}
|
|
|
|
count--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SocketStream strm(sock);
|
|
auto dummy_connection_close = false;
|
|
ret = callback(strm, true, dummy_connection_close);
|
|
}
|
|
|
|
close_socket(sock);
|
|
return ret;
|
|
}
|
|
|
|
inline int shutdown_socket(socket_t sock)
|
|
{
|
|
#ifdef _WIN32
|
|
return shutdown(sock, SD_BOTH);
|
|
#else
|
|
return shutdown(sock, SHUT_RDWR);
|
|
#endif
|
|
}
|
|
|
|
template <typename Fn> socket_t create_socket(const char *host, int port, Fn fn, int socket_flags = 0)
|
|
{
|
|
#ifdef _WIN32
|
|
#define SO_SYNCHRONOUS_NONALERT 0x20
|
|
#define SO_OPENTYPE 0x7008
|
|
|
|
int opt = SO_SYNCHRONOUS_NONALERT;
|
|
setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (char *)&opt, sizeof(opt));
|
|
#endif
|
|
|
|
// Get address info
|
|
struct addrinfo hints;
|
|
struct addrinfo *result;
|
|
|
|
memset(&hints, 0, sizeof(struct addrinfo));
|
|
hints.ai_family = AF_UNSPEC;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_flags = socket_flags;
|
|
hints.ai_protocol = 0;
|
|
|
|
auto service = std::to_string(port);
|
|
|
|
if(getaddrinfo(host, service.c_str(), &hints, &result))
|
|
{
|
|
return INVALID_SOCKET;
|
|
}
|
|
|
|
for(auto rp = result; rp; rp = rp->ai_next)
|
|
{
|
|
// Create a socket
|
|
auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
|
|
if(sock == INVALID_SOCKET)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// Make 'reuse address' option available
|
|
int yes = 1;
|
|
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&yes, sizeof(yes));
|
|
|
|
// bind or connect
|
|
if(fn(sock, *rp))
|
|
{
|
|
freeaddrinfo(result);
|
|
return sock;
|
|
}
|
|
|
|
close_socket(sock);
|
|
}
|
|
|
|
freeaddrinfo(result);
|
|
return INVALID_SOCKET;
|
|
}
|
|
|
|
inline void set_nonblocking(socket_t sock, bool nonblocking)
|
|
{
|
|
#ifdef _WIN32
|
|
auto flags = nonblocking ? 1UL : 0UL;
|
|
ioctlsocket(sock, FIONBIO, &flags);
|
|
#else
|
|
auto flags = fcntl(sock, F_GETFL, 0);
|
|
fcntl(sock, F_SETFL, nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK)));
|
|
#endif
|
|
}
|
|
|
|
inline bool is_connection_error()
|
|
{
|
|
#ifdef _WIN32
|
|
return WSAGetLastError() != WSAEWOULDBLOCK;
|
|
#else
|
|
return errno != EINPROGRESS;
|
|
#endif
|
|
}
|
|
|
|
inline std::string get_remote_addr(socket_t sock)
|
|
{
|
|
struct sockaddr_storage addr;
|
|
socklen_t len = sizeof(addr);
|
|
|
|
if(!getpeername(sock, (struct sockaddr *)&addr, &len))
|
|
{
|
|
char ipstr[NI_MAXHOST];
|
|
|
|
if(!getnameinfo((struct sockaddr *)&addr, len, ipstr, sizeof(ipstr), nullptr, 0, NI_NUMERICHOST))
|
|
{
|
|
return ipstr;
|
|
}
|
|
}
|
|
|
|
return std::string();
|
|
}
|
|
|
|
inline bool is_file(const std::string &path)
|
|
{
|
|
struct stat st;
|
|
return stat(path.c_str(), &st) >= 0 && S_ISREG(st.st_mode);
|
|
}
|
|
|
|
inline bool is_dir(const std::string &path)
|
|
{
|
|
struct stat st;
|
|
return stat(path.c_str(), &st) >= 0 && S_ISDIR(st.st_mode);
|
|
}
|
|
|
|
inline bool is_valid_path(const std::string &path)
|
|
{
|
|
size_t level = 0;
|
|
size_t i = 0;
|
|
|
|
// Skip slash
|
|
while(i < path.size() && path[i] == '/')
|
|
{
|
|
i++;
|
|
}
|
|
|
|
while(i < path.size())
|
|
{
|
|
// Read component
|
|
auto beg = i;
|
|
while(i < path.size() && path[i] != '/')
|
|
{
|
|
i++;
|
|
}
|
|
|
|
auto len = i - beg;
|
|
assert(len > 0);
|
|
|
|
if(!path.compare(beg, len, "."))
|
|
{
|
|
;
|
|
}
|
|
else if(!path.compare(beg, len, ".."))
|
|
{
|
|
if(level == 0)
|
|
{
|
|
return false;
|
|
}
|
|
level--;
|
|
}
|
|
else
|
|
{
|
|
level++;
|
|
}
|
|
|
|
// Skip slash
|
|
while(i < path.size() && path[i] == '/')
|
|
{
|
|
i++;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline void read_file(const std::string &path, std::string &out)
|
|
{
|
|
std::ifstream fs(path, std::ios_base::binary);
|
|
fs.seekg(0, std::ios_base::end);
|
|
auto size = fs.tellg();
|
|
fs.seekg(0);
|
|
out.resize(static_cast<size_t>(size));
|
|
fs.read(&out[0], size);
|
|
}
|
|
|
|
inline std::string file_extension(const std::string &path)
|
|
{
|
|
boost::smatch m;
|
|
auto pat = boost::regex("\\.([a-zA-Z0-9]+)$");
|
|
if(boost::regex_search(path, m, pat))
|
|
{
|
|
return m[1].str();
|
|
}
|
|
return std::string();
|
|
}
|
|
|
|
inline const char *find_content_type(const std::string &path)
|
|
{
|
|
auto ext = file_extension(path);
|
|
if(ext == "txt")
|
|
{
|
|
return "text/plain";
|
|
}
|
|
else if(ext == "html")
|
|
{
|
|
return "text/html";
|
|
}
|
|
else if(ext == "css")
|
|
{
|
|
return "text/css";
|
|
}
|
|
else if(ext == "jpeg" || ext == "jpg")
|
|
{
|
|
return "image/jpg";
|
|
}
|
|
else if(ext == "png")
|
|
{
|
|
return "image/png";
|
|
}
|
|
else if(ext == "gif")
|
|
{
|
|
return "image/gif";
|
|
}
|
|
else if(ext == "svg")
|
|
{
|
|
return "image/svg+xml";
|
|
}
|
|
else if(ext == "ico")
|
|
{
|
|
return "image/x-icon";
|
|
}
|
|
else if(ext == "json")
|
|
{
|
|
return "application/json";
|
|
}
|
|
else if(ext == "pdf")
|
|
{
|
|
return "application/pdf";
|
|
}
|
|
else if(ext == "js")
|
|
{
|
|
return "application/javascript";
|
|
}
|
|
else if(ext == "xml")
|
|
{
|
|
return "application/xml";
|
|
}
|
|
else if(ext == "xhtml")
|
|
{
|
|
return "application/xhtml+xml";
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
inline const char *status_message(int status)
|
|
{
|
|
switch(status)
|
|
{
|
|
case 200:
|
|
return "OK";
|
|
case 301:
|
|
return "Moved Permanently";
|
|
case 302:
|
|
return "Found";
|
|
case 303:
|
|
return "See Other";
|
|
case 304:
|
|
return "Not Modified";
|
|
case 400:
|
|
return "Bad Request";
|
|
case 403:
|
|
return "Forbidden";
|
|
case 404:
|
|
return "Not Found";
|
|
case 413:
|
|
return "Payload Too Large";
|
|
case 414:
|
|
return "Request-URI Too Long";
|
|
case 415:
|
|
return "Unsupported Media Type";
|
|
default:
|
|
case 500:
|
|
return "Internal Server Error";
|
|
}
|
|
}
|
|
|
|
inline bool has_header(const Headers &headers, const char *key)
|
|
{
|
|
return headers.find(key) != headers.end();
|
|
}
|
|
|
|
inline const char *get_header_value(const Headers &headers, const char *key, size_t id = 0, const char *def = nullptr)
|
|
{
|
|
auto it = headers.find(key);
|
|
std::advance(it, id);
|
|
if(it != headers.end())
|
|
{
|
|
return it->second.c_str();
|
|
}
|
|
return def;
|
|
}
|
|
|
|
inline uint64_t get_header_value_uint64(const Headers &headers, const char *key, int def = 0)
|
|
{
|
|
auto it = headers.find(key);
|
|
if(it != headers.end())
|
|
{
|
|
return std::strtoull(it->second.data(), nullptr, 10);
|
|
}
|
|
return def;
|
|
}
|
|
|
|
inline bool read_headers(Stream &strm, Headers &headers)
|
|
{
|
|
static boost::regex re(R"((.+?):\s*(.+?)\s*\r\n)");
|
|
|
|
const auto bufsiz = 2048;
|
|
char buf[bufsiz];
|
|
|
|
stream_line_reader reader(strm, buf, bufsiz);
|
|
|
|
for(;;)
|
|
{
|
|
if(!reader.getline())
|
|
{
|
|
return false;
|
|
}
|
|
if(!strcmp(reader.ptr(), "\r\n"))
|
|
{
|
|
break;
|
|
}
|
|
boost::cmatch m;
|
|
if(boost::regex_match(reader.ptr(), m, re))
|
|
{
|
|
auto key = std::string(m[1]);
|
|
auto val = std::string(m[2]);
|
|
headers.emplace(key, val);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool read_content_with_length(Stream &strm, std::string &out, size_t len, Progress progress)
|
|
{
|
|
out.assign(len, 0);
|
|
size_t r = 0;
|
|
while(r < len)
|
|
{
|
|
auto n = strm.read(&out[r], len - r);
|
|
if(n <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
r += n;
|
|
|
|
if(progress)
|
|
{
|
|
if(!progress(r, len))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool read_content_without_length(Stream &strm, std::string &out)
|
|
{
|
|
for(;;)
|
|
{
|
|
char byte;
|
|
auto n = strm.read(&byte, 1);
|
|
if(n < 0)
|
|
{
|
|
return false;
|
|
}
|
|
else if(n == 0)
|
|
{
|
|
return true;
|
|
}
|
|
out += byte;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool read_content_chunked(Stream &strm, std::string &out)
|
|
{
|
|
const auto bufsiz = 16;
|
|
char buf[bufsiz];
|
|
|
|
stream_line_reader reader(strm, buf, bufsiz);
|
|
|
|
if(!reader.getline())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
auto chunk_len = std::stoi(reader.ptr(), 0, 16);
|
|
|
|
while(chunk_len > 0)
|
|
{
|
|
std::string chunk;
|
|
if(!read_content_with_length(strm, chunk, chunk_len, nullptr))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(!reader.getline())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(strcmp(reader.ptr(), "\r\n"))
|
|
{
|
|
break;
|
|
}
|
|
|
|
out += chunk;
|
|
|
|
if(!reader.getline())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
chunk_len = std::stoi(reader.ptr(), 0, 16);
|
|
}
|
|
|
|
if(chunk_len == 0)
|
|
{
|
|
// Reader terminator after chunks
|
|
if(!reader.getline() || strcmp(reader.ptr(), "\r\n"))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
template <typename T>
|
|
bool read_content(Stream &strm, T &x, uint64_t payload_max_length, bool &exceed_payload_max_length,
|
|
Progress progress = Progress())
|
|
{
|
|
if(has_header(x.headers, "Content-Length"))
|
|
{
|
|
auto len = get_header_value_uint64(x.headers, "Content-Length", 0);
|
|
if(len == 0)
|
|
{
|
|
const auto &encoding = get_header_value(x.headers, "Transfer-Encoding", 0, "");
|
|
if(!strcasecmp(encoding, "chunked"))
|
|
{
|
|
return read_content_chunked(strm, x.body);
|
|
}
|
|
}
|
|
|
|
if((len > payload_max_length) ||
|
|
// For 32-bit platform
|
|
(sizeof(size_t) < sizeof(uint64_t) && len > std::numeric_limits<size_t>::max()))
|
|
{
|
|
exceed_payload_max_length = true;
|
|
return false;
|
|
}
|
|
|
|
return read_content_with_length(strm, x.body, len, progress);
|
|
}
|
|
else
|
|
{
|
|
const auto &encoding = get_header_value(x.headers, "Transfer-Encoding", 0, "");
|
|
if(!strcasecmp(encoding, "chunked"))
|
|
{
|
|
return read_content_chunked(strm, x.body);
|
|
}
|
|
return read_content_without_length(strm, x.body);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template <typename T> inline void write_headers(Stream &strm, const T &info)
|
|
{
|
|
for(const auto &x : info.headers)
|
|
{
|
|
strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str());
|
|
}
|
|
strm.write("\r\n");
|
|
}
|
|
|
|
inline std::string encode_url(const std::string &s)
|
|
{
|
|
std::string result;
|
|
|
|
for(auto i = 0; s[i]; i++)
|
|
{
|
|
switch(s[i])
|
|
{
|
|
case ' ':
|
|
result += "%20";
|
|
break;
|
|
case '+':
|
|
result += "%2B";
|
|
break;
|
|
case '\r':
|
|
result += "%0D";
|
|
break;
|
|
case '\n':
|
|
result += "%0A";
|
|
break;
|
|
case '\'':
|
|
result += "%27";
|
|
break;
|
|
case ',':
|
|
result += "%2C";
|
|
break;
|
|
case ':':
|
|
result += "%3A";
|
|
break;
|
|
case ';':
|
|
result += "%3B";
|
|
break;
|
|
default:
|
|
auto c = static_cast<uint8_t>(s[i]);
|
|
if(c >= 0x80)
|
|
{
|
|
result += '%';
|
|
char hex[4];
|
|
size_t len = snprintf(hex, sizeof(hex) - 1, "%02X", c);
|
|
assert(len == 2);
|
|
result.append(hex, len);
|
|
}
|
|
else
|
|
{
|
|
result += s[i];
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
inline bool is_hex(char c, int &v)
|
|
{
|
|
if(0x20 <= c && isdigit(c))
|
|
{
|
|
v = c - '0';
|
|
return true;
|
|
}
|
|
else if('A' <= c && c <= 'F')
|
|
{
|
|
v = c - 'A' + 10;
|
|
return true;
|
|
}
|
|
else if('a' <= c && c <= 'f')
|
|
{
|
|
v = c - 'a' + 10;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt, int &val)
|
|
{
|
|
if(i >= s.size())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
val = 0;
|
|
for(; cnt; i++, cnt--)
|
|
{
|
|
if(!s[i])
|
|
{
|
|
return false;
|
|
}
|
|
int v = 0;
|
|
if(is_hex(s[i], v))
|
|
{
|
|
val = val * 16 + v;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
inline std::string from_i_to_hex(uint64_t n)
|
|
{
|
|
const char *charset = "0123456789abcdef";
|
|
std::string ret;
|
|
do
|
|
{
|
|
ret = charset[n & 15] + ret;
|
|
n >>= 4;
|
|
} while(n > 0);
|
|
return ret;
|
|
}
|
|
|
|
inline size_t to_utf8(int code, char *buff)
|
|
{
|
|
if(code < 0x0080)
|
|
{
|
|
buff[0] = (code & 0x7F);
|
|
return 1;
|
|
}
|
|
else if(code < 0x0800)
|
|
{
|
|
buff[0] = (0xC0 | ((code >> 6) & 0x1F));
|
|
buff[1] = (0x80 | (code & 0x3F));
|
|
return 2;
|
|
}
|
|
else if(code < 0xD800)
|
|
{
|
|
buff[0] = (0xE0 | ((code >> 12) & 0xF));
|
|
buff[1] = (0x80 | ((code >> 6) & 0x3F));
|
|
buff[2] = (0x80 | (code & 0x3F));
|
|
return 3;
|
|
}
|
|
else if(code < 0xE000)
|
|
{ // D800 - DFFF is invalid...
|
|
return 0;
|
|
}
|
|
else if(code < 0x10000)
|
|
{
|
|
buff[0] = (0xE0 | ((code >> 12) & 0xF));
|
|
buff[1] = (0x80 | ((code >> 6) & 0x3F));
|
|
buff[2] = (0x80 | (code & 0x3F));
|
|
return 3;
|
|
}
|
|
else if(code < 0x110000)
|
|
{
|
|
buff[0] = (0xF0 | ((code >> 18) & 0x7));
|
|
buff[1] = (0x80 | ((code >> 12) & 0x3F));
|
|
buff[2] = (0x80 | ((code >> 6) & 0x3F));
|
|
buff[3] = (0x80 | (code & 0x3F));
|
|
return 4;
|
|
}
|
|
|
|
// NOTREACHED
|
|
return 0;
|
|
}
|
|
|
|
inline std::string decode_url(const std::string &s)
|
|
{
|
|
std::string result;
|
|
|
|
for(size_t i = 0; i < s.size(); i++)
|
|
{
|
|
if(s[i] == '%' && i + 1 < s.size())
|
|
{
|
|
if(s[i + 1] == 'u')
|
|
{
|
|
int val = 0;
|
|
if(from_hex_to_i(s, i + 2, 4, val))
|
|
{
|
|
// 4 digits Unicode codes
|
|
char buff[4];
|
|
size_t len = to_utf8(val, buff);
|
|
if(len > 0)
|
|
{
|
|
result.append(buff, len);
|
|
}
|
|
i += 5; // 'u0000'
|
|
}
|
|
else
|
|
{
|
|
result += s[i];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int val = 0;
|
|
if(from_hex_to_i(s, i + 1, 2, val))
|
|
{
|
|
// 2 digits hex codes
|
|
result += val;
|
|
i += 2; // '00'
|
|
}
|
|
else
|
|
{
|
|
result += s[i];
|
|
}
|
|
}
|
|
}
|
|
else if(s[i] == '+')
|
|
{
|
|
result += ' ';
|
|
}
|
|
else
|
|
{
|
|
result += s[i];
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
inline void parse_query_text(const std::string &s, Params ¶ms)
|
|
{
|
|
split(&s[0], &s[s.size()], '&', [&](const char *b, const char *e) {
|
|
std::string key;
|
|
std::string val;
|
|
split(b, e, '=', [&](const char *b, const char *e) {
|
|
if(key.empty())
|
|
{
|
|
key.assign(b, e);
|
|
}
|
|
else
|
|
{
|
|
val.assign(b, e);
|
|
}
|
|
});
|
|
params.emplace(key, decode_url(val));
|
|
});
|
|
}
|
|
|
|
inline bool parse_multipart_boundary(const std::string &content_type, std::string &boundary)
|
|
{
|
|
auto pos = content_type.find("boundary=");
|
|
if(pos == std::string::npos)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
boundary = content_type.substr(pos + 9);
|
|
return true;
|
|
}
|
|
|
|
inline bool parse_multipart_formdata(const std::string &boundary, const std::string &body, MultipartFiles &files)
|
|
{
|
|
static std::string dash = "--";
|
|
static std::string crlf = "\r\n";
|
|
|
|
static boost::regex re_content_type("Content-Type: (.*?)", boost::regex_constants::icase);
|
|
|
|
static boost::regex re_content_disposition(
|
|
"Content-Disposition: form-data; name=\"(.*?)\"(?:; filename=\"(.*?)\")?", boost::regex_constants::icase);
|
|
|
|
auto dash_boundary = dash + boundary;
|
|
|
|
auto pos = body.find(dash_boundary);
|
|
if(pos != 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
pos += dash_boundary.size();
|
|
|
|
auto next_pos = body.find(crlf, pos);
|
|
if(next_pos == std::string::npos)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
pos = next_pos + crlf.size();
|
|
|
|
while(pos < body.size())
|
|
{
|
|
next_pos = body.find(crlf, pos);
|
|
if(next_pos == std::string::npos)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
std::string name;
|
|
MultipartFile file;
|
|
|
|
auto header = body.substr(pos, (next_pos - pos));
|
|
|
|
while(pos != next_pos)
|
|
{
|
|
boost::smatch m;
|
|
if(boost::regex_match(header, m, re_content_type))
|
|
{
|
|
file.content_type = m[1];
|
|
}
|
|
else if(boost::regex_match(header, m, re_content_disposition))
|
|
{
|
|
name = m[1];
|
|
file.filename = m[2];
|
|
}
|
|
|
|
pos = next_pos + crlf.size();
|
|
|
|
next_pos = body.find(crlf, pos);
|
|
if(next_pos == std::string::npos)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
header = body.substr(pos, (next_pos - pos));
|
|
}
|
|
|
|
pos = next_pos + crlf.size();
|
|
|
|
next_pos = body.find(crlf + dash_boundary, pos);
|
|
|
|
if(next_pos == std::string::npos)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
file.offset = pos;
|
|
file.length = next_pos - pos;
|
|
|
|
pos = next_pos + crlf.size() + dash_boundary.size();
|
|
|
|
next_pos = body.find(crlf, pos);
|
|
if(next_pos == std::string::npos)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
files.emplace(name, file);
|
|
|
|
pos = next_pos + crlf.size();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline std::string to_lower(const char *beg, const char *end)
|
|
{
|
|
std::string out;
|
|
auto it = beg;
|
|
while(it != end)
|
|
{
|
|
out += ::tolower(*it);
|
|
it++;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
inline void make_range_header_core(std::string &)
|
|
{
|
|
}
|
|
|
|
template <typename uint64_t> inline void make_range_header_core(std::string &field, uint64_t value)
|
|
{
|
|
if(!field.empty())
|
|
{
|
|
field += ", ";
|
|
}
|
|
field += std::to_string(value) + "-";
|
|
}
|
|
|
|
template <typename uint64_t, typename... Args>
|
|
inline void make_range_header_core(std::string &field, uint64_t value1, uint64_t value2, Args... args)
|
|
{
|
|
if(!field.empty())
|
|
{
|
|
field += ", ";
|
|
}
|
|
field += std::to_string(value1) + "-" + std::to_string(value2);
|
|
make_range_header_core(field, args...);
|
|
}
|
|
|
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
|
inline bool can_compress(const std::string &content_type)
|
|
{
|
|
return !content_type.find("text/") || content_type == "image/svg+xml" || content_type == "application/javascript" ||
|
|
content_type == "application/json" || content_type == "application/xml" ||
|
|
content_type == "application/xhtml+xml";
|
|
}
|
|
|
|
inline void compress(std::string &content)
|
|
{
|
|
z_stream strm;
|
|
strm.zalloc = Z_NULL;
|
|
strm.zfree = Z_NULL;
|
|
strm.opaque = Z_NULL;
|
|
|
|
auto ret = deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY);
|
|
if(ret != Z_OK)
|
|
{
|
|
return;
|
|
}
|
|
|
|
strm.avail_in = content.size();
|
|
strm.next_in = (Bytef *)content.data();
|
|
|
|
std::string compressed;
|
|
|
|
const auto bufsiz = 16384;
|
|
char buff[bufsiz];
|
|
do
|
|
{
|
|
strm.avail_out = bufsiz;
|
|
strm.next_out = (Bytef *)buff;
|
|
deflate(&strm, Z_FINISH);
|
|
compressed.append(buff, bufsiz - strm.avail_out);
|
|
} while(strm.avail_out == 0);
|
|
|
|
content.swap(compressed);
|
|
|
|
deflateEnd(&strm);
|
|
}
|
|
|
|
inline void decompress(std::string &content)
|
|
{
|
|
z_stream strm;
|
|
strm.zalloc = Z_NULL;
|
|
strm.zfree = Z_NULL;
|
|
strm.opaque = Z_NULL;
|
|
|
|
// 15 is the value of wbits, which should be at the maximum possible value to
|
|
// ensure that any gzip stream can be decoded. The offset of 16 specifies that
|
|
// the stream to decompress will be formatted with a gzip wrapper.
|
|
auto ret = inflateInit2(&strm, 16 + 15);
|
|
if(ret != Z_OK)
|
|
{
|
|
return;
|
|
}
|
|
|
|
strm.avail_in = content.size();
|
|
strm.next_in = (Bytef *)content.data();
|
|
|
|
std::string decompressed;
|
|
|
|
const auto bufsiz = 16384;
|
|
char buff[bufsiz];
|
|
do
|
|
{
|
|
strm.avail_out = bufsiz;
|
|
strm.next_out = (Bytef *)buff;
|
|
inflate(&strm, Z_NO_FLUSH);
|
|
decompressed.append(buff, bufsiz - strm.avail_out);
|
|
} while(strm.avail_out == 0);
|
|
|
|
content.swap(decompressed);
|
|
|
|
inflateEnd(&strm);
|
|
}
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
class WSInit
|
|
{
|
|
public:
|
|
WSInit()
|
|
{
|
|
WSADATA wsaData;
|
|
WSAStartup(0x0002, &wsaData);
|
|
}
|
|
|
|
~WSInit()
|
|
{
|
|
WSACleanup();
|
|
}
|
|
};
|
|
|
|
static WSInit wsinit_;
|
|
#endif
|
|
|
|
} // namespace detail
|
|
|
|
// Header utilities
|
|
template <typename uint64_t, typename... Args>
|
|
inline std::pair<std::string, std::string> make_range_header(uint64_t value, Args... args)
|
|
{
|
|
std::string field;
|
|
detail::make_range_header_core(field, value, args...);
|
|
field.insert(0, "bytes=");
|
|
return std::make_pair("Range", field);
|
|
}
|
|
|
|
// Request implementation
|
|
inline bool Request::has_header(const char *key) const
|
|
{
|
|
return detail::has_header(headers, key);
|
|
}
|
|
|
|
inline std::string Request::get_header_value(const char *key, size_t id) const
|
|
{
|
|
return detail::get_header_value(headers, key, id, "");
|
|
}
|
|
|
|
inline size_t Request::get_header_value_count(const char *key) const
|
|
{
|
|
auto r = headers.equal_range(key);
|
|
return std::distance(r.first, r.second);
|
|
}
|
|
|
|
inline void Request::set_header(const char *key, const char *val)
|
|
{
|
|
headers.emplace(key, val);
|
|
}
|
|
|
|
inline bool Request::has_param(const char *key) const
|
|
{
|
|
return params.find(key) != params.end();
|
|
}
|
|
|
|
inline std::string Request::get_param_value(const char *key, size_t id) const
|
|
{
|
|
auto it = params.find(key);
|
|
std::advance(it, id);
|
|
if(it != params.end())
|
|
{
|
|
return it->second;
|
|
}
|
|
return std::string();
|
|
}
|
|
|
|
inline size_t Request::get_param_value_count(const char *key) const
|
|
{
|
|
auto r = params.equal_range(key);
|
|
return std::distance(r.first, r.second);
|
|
}
|
|
|
|
inline bool Request::has_file(const char *key) const
|
|
{
|
|
return files.find(key) != files.end();
|
|
}
|
|
|
|
inline MultipartFile Request::get_file_value(const char *key) const
|
|
{
|
|
auto it = files.find(key);
|
|
if(it != files.end())
|
|
{
|
|
return it->second;
|
|
}
|
|
return MultipartFile();
|
|
}
|
|
|
|
// Response implementation
|
|
inline bool Response::has_header(const char *key) const
|
|
{
|
|
return headers.find(key) != headers.end();
|
|
}
|
|
|
|
inline std::string Response::get_header_value(const char *key, size_t id) const
|
|
{
|
|
return detail::get_header_value(headers, key, id, "");
|
|
}
|
|
|
|
inline size_t Response::get_header_value_count(const char *key) const
|
|
{
|
|
auto r = headers.equal_range(key);
|
|
return std::distance(r.first, r.second);
|
|
}
|
|
|
|
inline void Response::set_header(const char *key, const char *val)
|
|
{
|
|
headers.emplace(key, val);
|
|
}
|
|
|
|
inline void Response::set_redirect(const char *url)
|
|
{
|
|
set_header("Location", url);
|
|
status = 302;
|
|
}
|
|
|
|
inline void Response::set_content(const char *s, size_t n, const char *content_type)
|
|
{
|
|
body.assign(s, n);
|
|
set_header("Content-Type", content_type);
|
|
}
|
|
|
|
inline void Response::set_content(const std::string &s, const char *content_type)
|
|
{
|
|
body = s;
|
|
set_header("Content-Type", content_type);
|
|
}
|
|
|
|
// Rstream implementation
|
|
template <typename... Args> inline void Stream::write_format(const char *fmt, const Args &...args)
|
|
{
|
|
const auto bufsiz = 2048;
|
|
char buf[bufsiz];
|
|
|
|
#if defined(_MSC_VER) && _MSC_VER < 1900
|
|
auto n = _snprintf_s(buf, bufsiz, bufsiz - 1, fmt, args...);
|
|
#else
|
|
auto n = snprintf(buf, bufsiz - 1, fmt, args...);
|
|
#endif
|
|
if(n > 0)
|
|
{
|
|
if(n >= bufsiz - 1)
|
|
{
|
|
std::vector<char> glowable_buf(bufsiz);
|
|
|
|
while(n >= static_cast<int>(glowable_buf.size() - 1))
|
|
{
|
|
glowable_buf.resize(glowable_buf.size() * 2);
|
|
#if defined(_MSC_VER) && _MSC_VER < 1900
|
|
n = _snprintf_s(&glowable_buf[0], glowable_buf.size(), glowable_buf.size() - 1, fmt, args...);
|
|
#else
|
|
n = snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...);
|
|
#endif
|
|
}
|
|
write(&glowable_buf[0], n);
|
|
}
|
|
else
|
|
{
|
|
write(buf, n);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Socket stream implementation
|
|
inline SocketStream::SocketStream(socket_t sock) : sock_(sock)
|
|
{
|
|
}
|
|
|
|
inline SocketStream::~SocketStream()
|
|
{
|
|
}
|
|
|
|
inline int SocketStream::read(char *ptr, size_t size)
|
|
{
|
|
return recv(sock_, ptr, static_cast<int>(size), 0);
|
|
}
|
|
|
|
inline int SocketStream::write(const char *ptr, size_t size)
|
|
{
|
|
return send(sock_, ptr, static_cast<int>(size), 0);
|
|
}
|
|
|
|
inline int SocketStream::write(const char *ptr)
|
|
{
|
|
return write(ptr, strlen(ptr));
|
|
}
|
|
|
|
inline std::string SocketStream::get_remote_addr() const
|
|
{
|
|
return detail::get_remote_addr(sock_);
|
|
}
|
|
|
|
// Buffer stream implementation
|
|
inline int BufferStream::read(char *ptr, size_t size)
|
|
{
|
|
#if defined(_MSC_VER) && _MSC_VER < 1900
|
|
return static_cast<int>(buffer._Copy_s(ptr, size, size));
|
|
#else
|
|
return static_cast<int>(buffer.copy(ptr, size));
|
|
#endif
|
|
}
|
|
|
|
inline int BufferStream::write(const char *ptr, size_t size)
|
|
{
|
|
buffer.append(ptr, size);
|
|
return static_cast<int>(size);
|
|
}
|
|
|
|
inline int BufferStream::write(const char *ptr)
|
|
{
|
|
size_t size = strlen(ptr);
|
|
buffer.append(ptr, size);
|
|
return static_cast<int>(size);
|
|
}
|
|
|
|
inline std::string BufferStream::get_remote_addr() const
|
|
{
|
|
return "";
|
|
}
|
|
|
|
inline const std::string &BufferStream::get_buffer() const
|
|
{
|
|
return buffer;
|
|
}
|
|
|
|
// HTTP server implementation
|
|
inline Server::Server()
|
|
: keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), payload_max_length_(CPPHTTPLIB_PAYLOAD_MAX_LENGTH),
|
|
is_running_(false), svr_sock_(INVALID_SOCKET), running_threads_(0)
|
|
{
|
|
#ifndef _WIN32
|
|
signal(SIGPIPE, SIG_IGN);
|
|
#endif
|
|
}
|
|
|
|
inline Server::~Server()
|
|
{
|
|
}
|
|
|
|
inline Server &Server::Get(const char *pattern, Handler handler)
|
|
{
|
|
get_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
|
|
return *this;
|
|
}
|
|
|
|
inline Server &Server::Post(const char *pattern, Handler handler)
|
|
{
|
|
post_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
|
|
return *this;
|
|
}
|
|
|
|
inline Server &Server::Put(const char *pattern, Handler handler)
|
|
{
|
|
put_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
|
|
return *this;
|
|
}
|
|
|
|
inline Server &Server::Patch(const char *pattern, Handler handler)
|
|
{
|
|
patch_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
|
|
return *this;
|
|
}
|
|
|
|
inline Server &Server::Delete(const char *pattern, Handler handler)
|
|
{
|
|
delete_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
|
|
return *this;
|
|
}
|
|
|
|
inline Server &Server::Options(const char *pattern, Handler handler)
|
|
{
|
|
options_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
|
|
return *this;
|
|
}
|
|
|
|
inline bool Server::set_base_dir(const char *path)
|
|
{
|
|
if(detail::is_dir(path))
|
|
{
|
|
base_dir_ = path;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
inline void Server::set_error_handler(Handler handler)
|
|
{
|
|
error_handler_ = handler;
|
|
}
|
|
|
|
inline void Server::set_logger(Logger logger)
|
|
{
|
|
logger_ = logger;
|
|
}
|
|
|
|
inline void Server::set_keep_alive_max_count(size_t count)
|
|
{
|
|
keep_alive_max_count_ = count;
|
|
}
|
|
|
|
inline void Server::set_payload_max_length(uint64_t length)
|
|
{
|
|
payload_max_length_ = length;
|
|
}
|
|
|
|
inline int Server::bind_to_any_port(const char *host, int socket_flags)
|
|
{
|
|
return bind_internal(host, 0, socket_flags);
|
|
}
|
|
|
|
inline bool Server::listen_after_bind()
|
|
{
|
|
return listen_internal();
|
|
}
|
|
|
|
inline bool Server::listen(const char *host, int port, int socket_flags)
|
|
{
|
|
if(bind_internal(host, port, socket_flags) < 0)
|
|
return false;
|
|
return listen_internal();
|
|
}
|
|
|
|
inline bool Server::is_running() const
|
|
{
|
|
return is_running_;
|
|
}
|
|
|
|
inline void Server::stop()
|
|
{
|
|
if(is_running_)
|
|
{
|
|
assert(svr_sock_ != INVALID_SOCKET);
|
|
auto sock = svr_sock_;
|
|
svr_sock_ = INVALID_SOCKET;
|
|
detail::shutdown_socket(sock);
|
|
detail::close_socket(sock);
|
|
}
|
|
}
|
|
|
|
inline bool Server::parse_request_line(const char *s, Request &req)
|
|
{
|
|
static boost::regex re("(GET|HEAD|POST|PUT|PATCH|DELETE|OPTIONS) "
|
|
"(([^?]+)(?:\\?(.+?))?) (HTTP/1\\.[01])\r\n");
|
|
|
|
boost::cmatch m;
|
|
if(boost::regex_match(s, m, re))
|
|
{
|
|
req.version = std::string(m[5]);
|
|
req.method = std::string(m[1]);
|
|
req.target = std::string(m[2]);
|
|
req.path = detail::decode_url(m[3]);
|
|
|
|
// Parse query text
|
|
auto len = std::distance(m[4].first, m[4].second);
|
|
if(len > 0)
|
|
{
|
|
detail::parse_query_text(m[4], req.params);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
inline void Server::write_response(Stream &strm, bool last_connection, const Request &req, Response &res)
|
|
{
|
|
assert(res.status != -1);
|
|
|
|
if(400 <= res.status && error_handler_)
|
|
{
|
|
error_handler_(req, res);
|
|
}
|
|
|
|
// Response line
|
|
strm.write_format("HTTP/1.1 %d %s\r\n", res.status, detail::status_message(res.status));
|
|
|
|
// Headers
|
|
if(last_connection || req.get_header_value("Connection") == "close")
|
|
{
|
|
res.set_header("Connection", "close");
|
|
}
|
|
|
|
if(!last_connection && req.get_header_value("Connection") == "Keep-Alive")
|
|
{
|
|
res.set_header("Connection", "Keep-Alive");
|
|
}
|
|
|
|
if(res.body.empty())
|
|
{
|
|
if(!res.has_header("Content-Length"))
|
|
{
|
|
if(res.streamcb)
|
|
{
|
|
// Streamed response
|
|
res.set_header("Transfer-Encoding", "chunked");
|
|
}
|
|
else
|
|
{
|
|
res.set_header("Content-Length", "0");
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
|
// TODO: 'Accpet-Encoding' has gzip, not gzip;q=0
|
|
const auto &encodings = req.get_header_value("Accept-Encoding");
|
|
if(encodings.find("gzip") != std::string::npos && detail::can_compress(res.get_header_value("Content-Type")))
|
|
{
|
|
detail::compress(res.body);
|
|
res.set_header("Content-Encoding", "gzip");
|
|
}
|
|
#endif
|
|
|
|
if(!res.has_header("Content-Type"))
|
|
{
|
|
res.set_header("Content-Type", "text/plain");
|
|
}
|
|
|
|
auto length = std::to_string(res.body.size());
|
|
res.set_header("Content-Length", length.c_str());
|
|
}
|
|
|
|
detail::write_headers(strm, res);
|
|
|
|
// Body
|
|
if(req.method != "HEAD")
|
|
{
|
|
if(!res.body.empty())
|
|
{
|
|
strm.write(res.body.c_str(), res.body.size());
|
|
}
|
|
else if(res.streamcb)
|
|
{
|
|
bool chunked_response = !res.has_header("Content-Length");
|
|
uint64_t offset = 0;
|
|
bool data_available = true;
|
|
while(data_available)
|
|
{
|
|
std::string chunk = res.streamcb(offset);
|
|
offset += chunk.size();
|
|
data_available = !chunk.empty();
|
|
// Emit chunked response header and footer for each chunk
|
|
if(chunked_response)
|
|
chunk = detail::from_i_to_hex(chunk.size()) + "\r\n" + chunk + "\r\n";
|
|
if(strm.write(chunk.c_str(), chunk.size()) < 0)
|
|
break; // Stop on error
|
|
}
|
|
}
|
|
}
|
|
|
|
// Log
|
|
if(logger_)
|
|
{
|
|
logger_(req, res);
|
|
}
|
|
}
|
|
|
|
inline bool Server::handle_file_request(Request &req, Response &res)
|
|
{
|
|
if(!base_dir_.empty() && detail::is_valid_path(req.path))
|
|
{
|
|
std::string path = base_dir_ + req.path;
|
|
|
|
if(!path.empty() && path.back() == '/')
|
|
{
|
|
path += "index.html";
|
|
}
|
|
|
|
if(detail::is_file(path))
|
|
{
|
|
detail::read_file(path, res.body);
|
|
auto type = detail::find_content_type(path);
|
|
if(type)
|
|
{
|
|
res.set_header("Content-Type", type);
|
|
}
|
|
res.status = 200;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
inline socket_t Server::create_server_socket(const char *host, int port, int socket_flags) const
|
|
{
|
|
return detail::create_socket(
|
|
host, port,
|
|
[](socket_t sock, struct addrinfo &ai) -> bool {
|
|
if(::bind(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen)))
|
|
{
|
|
return false;
|
|
}
|
|
if(::listen(sock, 5))
|
|
{ // Listen through 5 channels
|
|
return false;
|
|
}
|
|
return true;
|
|
},
|
|
socket_flags);
|
|
}
|
|
|
|
inline int Server::bind_internal(const char *host, int port, int socket_flags)
|
|
{
|
|
if(!is_valid())
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
svr_sock_ = create_server_socket(host, port, socket_flags);
|
|
if(svr_sock_ == INVALID_SOCKET)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
if(port == 0)
|
|
{
|
|
struct sockaddr_storage address;
|
|
socklen_t len = sizeof(address);
|
|
if(getsockname(svr_sock_, reinterpret_cast<struct sockaddr *>(&address), &len) == -1)
|
|
{
|
|
return -1;
|
|
}
|
|
if(address.ss_family == AF_INET)
|
|
{
|
|
return ntohs(reinterpret_cast<struct sockaddr_in *>(&address)->sin_port);
|
|
}
|
|
else if(address.ss_family == AF_INET6)
|
|
{
|
|
return ntohs(reinterpret_cast<struct sockaddr_in6 *>(&address)->sin6_port);
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return port;
|
|
}
|
|
}
|
|
|
|
inline bool Server::listen_internal()
|
|
{
|
|
auto ret = true;
|
|
|
|
is_running_ = true;
|
|
|
|
for(;;)
|
|
{
|
|
auto val = detail::select_read(svr_sock_, 0, 100000);
|
|
|
|
if(val == 0)
|
|
{ // Timeout
|
|
if(svr_sock_ == INVALID_SOCKET)
|
|
{
|
|
// The server socket was closed by 'stop' method.
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
socket_t sock = accept(svr_sock_, NULL, NULL);
|
|
|
|
if(sock == INVALID_SOCKET)
|
|
{
|
|
if(svr_sock_ != INVALID_SOCKET)
|
|
{
|
|
detail::close_socket(svr_sock_);
|
|
ret = false;
|
|
}
|
|
else
|
|
{
|
|
; // The server socket was closed by user.
|
|
}
|
|
break;
|
|
}
|
|
|
|
// TODO: Use thread pool...
|
|
std::thread([=]() {
|
|
{
|
|
std::lock_guard<std::mutex> guard(running_threads_mutex_);
|
|
running_threads_++;
|
|
}
|
|
|
|
read_and_close_socket(sock);
|
|
|
|
{
|
|
std::lock_guard<std::mutex> guard(running_threads_mutex_);
|
|
running_threads_--;
|
|
}
|
|
}).detach();
|
|
}
|
|
|
|
// TODO: Use thread pool...
|
|
for(;;)
|
|
{
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
std::lock_guard<std::mutex> guard(running_threads_mutex_);
|
|
if(!running_threads_)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
is_running_ = false;
|
|
|
|
return ret;
|
|
}
|
|
|
|
inline bool Server::routing(Request &req, Response &res)
|
|
{
|
|
if(req.method == "GET" && handle_file_request(req, res))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if(req.method == "GET" || req.method == "HEAD")
|
|
{
|
|
return dispatch_request(req, res, get_handlers_);
|
|
}
|
|
else if(req.method == "POST")
|
|
{
|
|
return dispatch_request(req, res, post_handlers_);
|
|
}
|
|
else if(req.method == "PUT")
|
|
{
|
|
return dispatch_request(req, res, put_handlers_);
|
|
}
|
|
else if(req.method == "PATCH")
|
|
{
|
|
return dispatch_request(req, res, patch_handlers_);
|
|
}
|
|
else if(req.method == "DELETE")
|
|
{
|
|
return dispatch_request(req, res, delete_handlers_);
|
|
}
|
|
else if(req.method == "OPTIONS")
|
|
{
|
|
return dispatch_request(req, res, options_handlers_);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
inline bool Server::dispatch_request(Request &req, Response &res, Handlers &handlers)
|
|
{
|
|
for(const auto &x : handlers)
|
|
{
|
|
const auto &pattern = x.first;
|
|
const auto &handler = x.second;
|
|
|
|
if(boost::regex_match(req.path, req.matches, pattern))
|
|
{
|
|
handler(req, res);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
inline bool Server::process_request(Stream &strm, bool last_connection, bool &connection_close)
|
|
{
|
|
const auto bufsiz = 2048;
|
|
char buf[bufsiz];
|
|
|
|
detail::stream_line_reader reader(strm, buf, bufsiz);
|
|
|
|
// Connection has been closed on client
|
|
if(!reader.getline())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
Request req;
|
|
Response res;
|
|
|
|
res.version = "HTTP/1.1";
|
|
|
|
// Check if the request URI doesn't exceed the limit
|
|
if(reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH)
|
|
{
|
|
res.status = 414;
|
|
write_response(strm, last_connection, req, res);
|
|
return true;
|
|
}
|
|
|
|
// Request line and headers
|
|
if(!parse_request_line(reader.ptr(), req) || !detail::read_headers(strm, req.headers))
|
|
{
|
|
res.status = 400;
|
|
write_response(strm, last_connection, req, res);
|
|
return true;
|
|
}
|
|
|
|
if(req.get_header_value("Connection") == "close")
|
|
{
|
|
connection_close = true;
|
|
}
|
|
|
|
req.set_header("REMOTE_ADDR", strm.get_remote_addr().c_str());
|
|
|
|
// Body
|
|
if(req.method == "POST" || req.method == "PUT" || req.method == "PATCH")
|
|
{
|
|
bool exceed_payload_max_length = false;
|
|
if(!detail::read_content(strm, req, payload_max_length_, exceed_payload_max_length))
|
|
{
|
|
res.status = exceed_payload_max_length ? 413 : 400;
|
|
write_response(strm, last_connection, req, res);
|
|
return !exceed_payload_max_length;
|
|
}
|
|
|
|
const auto &content_type = req.get_header_value("Content-Type");
|
|
|
|
if(req.get_header_value("Content-Encoding") == "gzip")
|
|
{
|
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
|
detail::decompress(req.body);
|
|
#else
|
|
res.status = 415;
|
|
write_response(strm, last_connection, req, res);
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
if(!content_type.find("application/x-www-form-urlencoded"))
|
|
{
|
|
detail::parse_query_text(req.body, req.params);
|
|
}
|
|
else if(!content_type.find("multipart/form-data"))
|
|
{
|
|
std::string boundary;
|
|
if(!detail::parse_multipart_boundary(content_type, boundary) ||
|
|
!detail::parse_multipart_formdata(boundary, req.body, req.files))
|
|
{
|
|
res.status = 400;
|
|
write_response(strm, last_connection, req, res);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(routing(req, res))
|
|
{
|
|
if(res.status == -1)
|
|
{
|
|
res.status = 200;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
res.status = 404;
|
|
}
|
|
|
|
write_response(strm, last_connection, req, res);
|
|
return true;
|
|
}
|
|
|
|
inline bool Server::is_valid() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
inline bool Server::read_and_close_socket(socket_t sock)
|
|
{
|
|
return detail::read_and_close_socket(sock, keep_alive_max_count_,
|
|
[this](Stream &strm, bool last_connection, bool &connection_close) {
|
|
return process_request(strm, last_connection, connection_close);
|
|
});
|
|
}
|
|
|
|
// HTTP client implementation
|
|
inline Client::Client(const char *host, int port, time_t timeout_sec)
|
|
: host_(host), port_(port), timeout_sec_(timeout_sec), host_and_port_(host_ + ":" + std::to_string(port_))
|
|
{
|
|
}
|
|
|
|
inline Client::~Client()
|
|
{
|
|
}
|
|
|
|
inline bool Client::is_valid() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
inline socket_t Client::create_client_socket() const
|
|
{
|
|
return detail::create_socket(host_.c_str(), port_, [=](socket_t sock, struct addrinfo &ai) -> bool {
|
|
detail::set_nonblocking(sock, true);
|
|
|
|
auto ret = connect(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen));
|
|
if(ret < 0)
|
|
{
|
|
if(detail::is_connection_error() || !detail::wait_until_socket_is_ready(sock, timeout_sec_, 0))
|
|
{
|
|
detail::close_socket(sock);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
detail::set_nonblocking(sock, false);
|
|
return true;
|
|
});
|
|
}
|
|
|
|
inline bool Client::read_response_line(Stream &strm, Response &res)
|
|
{
|
|
const auto bufsiz = 2048;
|
|
char buf[bufsiz];
|
|
|
|
detail::stream_line_reader reader(strm, buf, bufsiz);
|
|
|
|
if(!reader.getline())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const static boost::regex re("(HTTP/1\\.[01]) (\\d+?) .*\r\n");
|
|
|
|
boost::cmatch m;
|
|
if(boost::regex_match(reader.ptr(), m, re))
|
|
{
|
|
res.version = std::string(m[1]);
|
|
res.status = std::stoi(std::string(m[2]));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool Client::send(Request &req, Response &res)
|
|
{
|
|
if(req.path.empty())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
auto sock = create_client_socket();
|
|
if(sock == INVALID_SOCKET)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return read_and_close_socket(sock, req, res);
|
|
}
|
|
|
|
inline void Client::write_request(Stream &strm, Request &req)
|
|
{
|
|
BufferStream bstrm;
|
|
|
|
// Request line
|
|
auto path = detail::encode_url(req.path);
|
|
|
|
bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str());
|
|
|
|
// Headers
|
|
if(!req.has_header("Host"))
|
|
{
|
|
if(is_ssl())
|
|
{
|
|
if(port_ == 443)
|
|
{
|
|
req.set_header("Host", host_.c_str());
|
|
}
|
|
else
|
|
{
|
|
req.set_header("Host", host_and_port_.c_str());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(port_ == 80)
|
|
{
|
|
req.set_header("Host", host_.c_str());
|
|
}
|
|
else
|
|
{
|
|
req.set_header("Host", host_and_port_.c_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!req.has_header("Accept"))
|
|
{
|
|
req.set_header("Accept", "*/*");
|
|
}
|
|
|
|
if(!req.has_header("User-Agent"))
|
|
{
|
|
req.set_header("User-Agent", "cpp-httplib/0.2");
|
|
}
|
|
|
|
// TODO: Support KeepAlive connection
|
|
// if (!req.has_header("Connection")) {
|
|
req.set_header("Connection", "close");
|
|
// }
|
|
|
|
if(req.body.empty())
|
|
{
|
|
if(req.method == "POST" || req.method == "PUT" || req.method == "PATCH")
|
|
{
|
|
req.set_header("Content-Length", "0");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!req.has_header("Content-Type"))
|
|
{
|
|
req.set_header("Content-Type", "text/plain");
|
|
}
|
|
|
|
if(!req.has_header("Content-Length"))
|
|
{
|
|
auto length = std::to_string(req.body.size());
|
|
req.set_header("Content-Length", length.c_str());
|
|
}
|
|
}
|
|
|
|
detail::write_headers(bstrm, req);
|
|
|
|
// Body
|
|
if(!req.body.empty())
|
|
{
|
|
bstrm.write(req.body.c_str(), req.body.size());
|
|
}
|
|
|
|
// Flush buffer
|
|
auto &data = bstrm.get_buffer();
|
|
strm.write(data.data(), data.size());
|
|
}
|
|
|
|
inline bool Client::process_request(Stream &strm, Request &req, Response &res, bool &connection_close)
|
|
{
|
|
// Send request
|
|
write_request(strm, req);
|
|
|
|
// Receive response and headers
|
|
if(!read_response_line(strm, res) || !detail::read_headers(strm, res.headers))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(res.get_header_value("Connection") == "close" || res.version == "HTTP/1.0")
|
|
{
|
|
connection_close = true;
|
|
}
|
|
|
|
// Body
|
|
if(req.method != "HEAD")
|
|
{
|
|
bool exceed_payload_max_length = false;
|
|
if(!detail::read_content(strm, res, std::numeric_limits<uint64_t>::max(), exceed_payload_max_length,
|
|
req.progress))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(res.get_header_value("Content-Encoding") == "gzip")
|
|
{
|
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
|
detail::decompress(res.body);
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool Client::read_and_close_socket(socket_t sock, Request &req, Response &res)
|
|
{
|
|
return detail::read_and_close_socket(sock, 0, [&](Stream &strm, bool /*last_connection*/, bool &connection_close) {
|
|
return process_request(strm, req, res, connection_close);
|
|
});
|
|
}
|
|
|
|
inline bool Client::is_ssl() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Get(const char *path, Progress progress)
|
|
{
|
|
return Get(path, Headers(), progress);
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Get(const char *path, const Headers &headers, Progress progress)
|
|
{
|
|
Request req;
|
|
req.method = "GET";
|
|
req.path = path;
|
|
req.headers = headers;
|
|
req.progress = progress;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Head(const char *path)
|
|
{
|
|
return Head(path, Headers());
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Head(const char *path, const Headers &headers)
|
|
{
|
|
Request req;
|
|
req.method = "HEAD";
|
|
req.headers = headers;
|
|
req.path = path;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Post(const char *path, const std::string &body, const char *content_type)
|
|
{
|
|
return Post(path, Headers(), body, content_type);
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Post(const char *path, const Headers &headers, const std::string &body,
|
|
const char *content_type)
|
|
{
|
|
Request req;
|
|
req.method = "POST";
|
|
req.headers = headers;
|
|
req.path = path;
|
|
|
|
req.headers.emplace("Content-Type", content_type);
|
|
req.body = body;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Post(const char *path, const Params ¶ms)
|
|
{
|
|
return Post(path, Headers(), params);
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Post(const char *path, const Headers &headers, const Params ¶ms)
|
|
{
|
|
std::string query;
|
|
for(auto it = params.begin(); it != params.end(); ++it)
|
|
{
|
|
if(it != params.begin())
|
|
{
|
|
query += "&";
|
|
}
|
|
query += it->first;
|
|
query += "=";
|
|
query += it->second;
|
|
}
|
|
|
|
return Post(path, headers, query, "application/x-www-form-urlencoded");
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Put(const char *path, const std::string &body, const char *content_type)
|
|
{
|
|
return Put(path, Headers(), body, content_type);
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Put(const char *path, const Headers &headers, const std::string &body,
|
|
const char *content_type)
|
|
{
|
|
Request req;
|
|
req.method = "PUT";
|
|
req.headers = headers;
|
|
req.path = path;
|
|
|
|
req.headers.emplace("Content-Type", content_type);
|
|
req.body = body;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Patch(const char *path, const std::string &body, const char *content_type)
|
|
{
|
|
return Patch(path, Headers(), body, content_type);
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Patch(const char *path, const Headers &headers, const std::string &body,
|
|
const char *content_type)
|
|
{
|
|
Request req;
|
|
req.method = "PATCH";
|
|
req.headers = headers;
|
|
req.path = path;
|
|
|
|
req.headers.emplace("Content-Type", content_type);
|
|
req.body = body;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Delete(const char *path)
|
|
{
|
|
return Delete(path, Headers());
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Delete(const char *path, const Headers &headers)
|
|
{
|
|
Request req;
|
|
req.method = "DELETE";
|
|
req.path = path;
|
|
req.headers = headers;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Options(const char *path)
|
|
{
|
|
return Options(path, Headers());
|
|
}
|
|
|
|
inline std::shared_ptr<Response> Client::Options(const char *path, const Headers &headers)
|
|
{
|
|
Request req;
|
|
req.method = "OPTIONS";
|
|
req.path = path;
|
|
req.headers = headers;
|
|
|
|
auto res = std::make_shared<Response>();
|
|
|
|
return send(req, *res) ? res : nullptr;
|
|
}
|
|
|
|
/*
|
|
* SSL Implementation
|
|
*/
|
|
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
|
|
namespace detail
|
|
{
|
|
|
|
template <typename U, typename V, typename T>
|
|
inline bool read_and_close_socket_ssl(socket_t sock, size_t keep_alive_max_count,
|
|
// TODO: OpenSSL 1.0.2 occasionally crashes...
|
|
// The upcoming 1.1.0 is going to be thread safe.
|
|
SSL_CTX *ctx, std::mutex &ctx_mutex, U SSL_connect_or_accept, V setup, T callback)
|
|
{
|
|
SSL *ssl = nullptr;
|
|
{
|
|
std::lock_guard<std::mutex> guard(ctx_mutex);
|
|
|
|
ssl = SSL_new(ctx);
|
|
if(!ssl)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
auto bio = BIO_new_socket(sock, BIO_NOCLOSE);
|
|
SSL_set_bio(ssl, bio, bio);
|
|
|
|
setup(ssl);
|
|
|
|
SSL_connect_or_accept(ssl);
|
|
|
|
bool ret = false;
|
|
|
|
if(keep_alive_max_count > 0)
|
|
{
|
|
auto count = keep_alive_max_count;
|
|
while(count > 0 &&
|
|
detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)
|
|
{
|
|
SSLSocketStream strm(sock, ssl);
|
|
auto last_connection = count == 1;
|
|
auto connection_close = false;
|
|
|
|
ret = callback(strm, last_connection, connection_close);
|
|
if(!ret || connection_close)
|
|
{
|
|
break;
|
|
}
|
|
|
|
count--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SSLSocketStream strm(sock, ssl);
|
|
auto dummy_connection_close = false;
|
|
ret = callback(strm, true, dummy_connection_close);
|
|
}
|
|
|
|
SSL_shutdown(ssl);
|
|
|
|
{
|
|
std::lock_guard<std::mutex> guard(ctx_mutex);
|
|
SSL_free(ssl);
|
|
}
|
|
|
|
close_socket(sock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
class SSLInit
|
|
{
|
|
public:
|
|
SSLInit()
|
|
{
|
|
SSL_load_error_strings();
|
|
SSL_library_init();
|
|
}
|
|
|
|
~SSLInit()
|
|
{
|
|
ERR_free_strings();
|
|
}
|
|
};
|
|
|
|
static SSLInit sslinit_;
|
|
|
|
} // namespace detail
|
|
|
|
// SSL socket stream implementation
|
|
inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl) : sock_(sock), ssl_(ssl)
|
|
{
|
|
}
|
|
|
|
inline SSLSocketStream::~SSLSocketStream()
|
|
{
|
|
}
|
|
|
|
inline int SSLSocketStream::read(char *ptr, size_t size)
|
|
{
|
|
return SSL_read(ssl_, ptr, size);
|
|
}
|
|
|
|
inline int SSLSocketStream::write(const char *ptr, size_t size)
|
|
{
|
|
return SSL_write(ssl_, ptr, size);
|
|
}
|
|
|
|
inline int SSLSocketStream::write(const char *ptr)
|
|
{
|
|
return write(ptr, strlen(ptr));
|
|
}
|
|
|
|
inline std::string SSLSocketStream::get_remote_addr() const
|
|
{
|
|
return detail::get_remote_addr(sock_);
|
|
}
|
|
|
|
// SSL HTTP server implementation
|
|
inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path)
|
|
{
|
|
ctx_ = SSL_CTX_new(SSLv23_server_method());
|
|
|
|
if(ctx_)
|
|
{
|
|
SSL_CTX_set_options(ctx_, SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION |
|
|
SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
|
|
|
|
// auto ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
|
|
// SSL_CTX_set_tmp_ecdh(ctx_, ecdh);
|
|
// EC_KEY_free(ecdh);
|
|
|
|
if(SSL_CTX_use_certificate_chain_file(ctx_, cert_path) != 1 ||
|
|
SSL_CTX_use_PrivateKey_file(ctx_, private_key_path, SSL_FILETYPE_PEM) != 1)
|
|
{
|
|
SSL_CTX_free(ctx_);
|
|
ctx_ = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline SSLServer::~SSLServer()
|
|
{
|
|
if(ctx_)
|
|
{
|
|
SSL_CTX_free(ctx_);
|
|
}
|
|
}
|
|
|
|
inline bool SSLServer::is_valid() const
|
|
{
|
|
return ctx_;
|
|
}
|
|
|
|
inline bool SSLServer::read_and_close_socket(socket_t sock)
|
|
{
|
|
return detail::read_and_close_socket_ssl(
|
|
sock, keep_alive_max_count_, ctx_, ctx_mutex_, SSL_accept, [](SSL * /*ssl*/) {},
|
|
[this](Stream &strm, bool last_connection, bool &connection_close) {
|
|
return process_request(strm, last_connection, connection_close);
|
|
});
|
|
}
|
|
|
|
// SSL HTTP client implementation
|
|
inline SSLClient::SSLClient(const char *host, int port, time_t timeout_sec) : Client(host, port, timeout_sec)
|
|
{
|
|
ctx_ = SSL_CTX_new(SSLv23_client_method());
|
|
}
|
|
|
|
inline SSLClient::~SSLClient()
|
|
{
|
|
if(ctx_)
|
|
{
|
|
SSL_CTX_free(ctx_);
|
|
}
|
|
}
|
|
|
|
inline bool SSLClient::is_valid() const
|
|
{
|
|
return ctx_;
|
|
}
|
|
|
|
inline bool SSLClient::read_and_close_socket(socket_t sock, Request &req, Response &res)
|
|
{
|
|
return is_valid() &&
|
|
detail::read_and_close_socket_ssl(
|
|
sock, 0, ctx_, ctx_mutex_, SSL_connect, [&](SSL *ssl) { SSL_set_tlsext_host_name(ssl, host_.c_str()); },
|
|
[&](Stream &strm, bool /*last_connection*/, bool &connection_close) {
|
|
return process_request(strm, req, res, connection_close);
|
|
});
|
|
}
|
|
|
|
inline bool SSLClient::is_ssl() const
|
|
{
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
} // namespace httplib
|
|
|
|
#endif // CPPHTTPLIB_HTTPLIB_H
|
|
|
|
// vim: et ts=4 sw=4 cin cino={1s ff=unix
|