sync httplib.h with its current master, but replace std::regex with boost:regex again
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@ -1,7 +1,7 @@
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//
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// httplib.h
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// Copyright (c) 2019 Albert S. All rights reserved.
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// Copyright (c) 2017 Yuji Hirose. All rights reserved.
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//
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// Copyright (c) 2019 Yuji Hirose. All rights reserved.
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// MIT License
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//
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@ -29,32 +29,38 @@
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#define S_ISDIR(m) (((m)&S_IFDIR) == S_IFDIR)
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#endif // S_ISDIR
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif // NOMINMAX
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#include <io.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#pragma comment(lib, "ws2_32.lib")
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#ifndef strcasecmp
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#define strcasecmp _stricmp
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#endif // strcasecmp
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typedef SOCKET socket_t;
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#else
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#include <pthread.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <cstring>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <cstring>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#include <signal.h>
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#include <sys/socket.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <unistd.h>
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typedef int socket_t;
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#define INVALID_SOCKET (-1)
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#endif //_WIN32
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#include <assert.h>
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#include <fcntl.h>
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#include <fstream>
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#include <functional>
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#include <map>
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@ -62,12 +68,11 @@ typedef int socket_t;
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#include <mutex>
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#include <boost/regex.hpp>
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#include <string>
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#include <thread>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <thread>
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#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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#endif
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@ -80,6 +85,9 @@ typedef int socket_t;
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*/
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#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5
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#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND 0
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#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5
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#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
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#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH std::numeric_limits<uint64_t>::max()
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namespace httplib
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{
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@ -237,6 +245,7 @@ class Server
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Server &Post(const char *pattern, Handler handler);
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Server &Put(const char *pattern, Handler handler);
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Server &Patch(const char *pattern, Handler handler);
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Server &Delete(const char *pattern, Handler handler);
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Server &Options(const char *pattern, Handler handler);
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@ -246,6 +255,7 @@ class Server
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void set_logger(Logger logger);
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void set_keep_alive_max_count(size_t count);
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void set_payload_max_length(uint64_t length);
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int bind_to_any_port(const char *host, int socket_flags = 0);
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bool listen_after_bind();
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@ -259,6 +269,7 @@ class Server
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bool process_request(Stream &strm, bool last_connection, bool &connection_close);
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size_t keep_alive_max_count_;
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size_t payload_max_length_;
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private:
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typedef std::vector<std::pair<boost::regex, Handler>> Handlers;
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@ -282,6 +293,7 @@ class Server
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Handlers get_handlers_;
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Handlers post_handlers_;
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Handlers put_handlers_;
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Handlers patch_handlers_;
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Handlers delete_handlers_;
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Handlers options_handlers_;
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Handler error_handler_;
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@ -318,6 +330,10 @@ class Client
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std::shared_ptr<Response> Put(const char *path, const Headers &headers, const std::string &body,
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const char *content_type);
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std::shared_ptr<Response> Patch(const char *path, const std::string &body, const char *content_type);
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std::shared_ptr<Response> Patch(const char *path, const Headers &headers, const std::string &body,
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const char *content_type);
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std::shared_ptr<Response> Delete(const char *path);
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std::shared_ptr<Response> Delete(const char *path, const Headers &headers);
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@ -443,6 +459,18 @@ class stream_line_reader
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}
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}
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size_t size() const
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{
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if(glowable_buffer_.empty())
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{
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return fixed_buffer_used_size_;
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}
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else
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{
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return glowable_buffer_.size();
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}
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}
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bool getline()
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{
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fixed_buffer_used_size_ = 0;
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@ -858,6 +886,10 @@ inline const char *status_message(int status)
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return "Forbidden";
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case 404:
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return "Not Found";
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case 413:
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return "Payload Too Large";
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case 414:
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return "Request-URI Too Long";
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case 415:
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return "Unsupported Media Type";
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default:
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@ -882,12 +914,12 @@ inline const char *get_header_value(const Headers &headers, const char *key, siz
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return def;
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}
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inline int get_header_value_int(const Headers &headers, const char *key, int def = 0)
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inline uint64_t get_header_value_uint64(const Headers &headers, const char *key, int def = 0)
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{
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auto it = headers.find(key);
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if(it != headers.end())
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{
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return std::stoi(it->second);
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return std::strtoull(it->second.data(), nullptr, 10);
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}
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return def;
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}
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@ -1021,11 +1053,13 @@ inline bool read_content_chunked(Stream &strm, std::string &out)
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return true;
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}
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template <typename T> bool read_content(Stream &strm, T &x, Progress progress = Progress())
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template <typename T>
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bool read_content(Stream &strm, T &x, uint64_t payload_max_length, bool &exceed_payload_max_length,
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Progress progress = Progress())
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{
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if(has_header(x.headers, "Content-Length"))
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{
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auto len = get_header_value_int(x.headers, "Content-Length", 0);
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auto len = get_header_value_uint64(x.headers, "Content-Length", 0);
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if(len == 0)
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{
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const auto &encoding = get_header_value(x.headers, "Transfer-Encoding", 0, "");
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@ -1034,6 +1068,15 @@ template <typename T> bool read_content(Stream &strm, T &x, Progress progress =
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return read_content_chunked(strm, x.body);
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}
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}
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if((len > payload_max_length) ||
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// For 32-bit platform
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(sizeof(size_t) < sizeof(uint64_t) && len > std::numeric_limits<size_t>::max()))
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{
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exceed_payload_max_length = true;
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return false;
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}
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return read_content_with_length(strm, x.body, len, progress);
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}
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else
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@ -1071,6 +1114,12 @@ inline std::string encode_url(const std::string &s)
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case '+':
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result += "%2B";
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break;
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case '\r':
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result += "%0D";
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break;
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case '\n':
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result += "%0A";
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break;
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case '\'':
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result += "%27";
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break;
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@ -1470,9 +1519,9 @@ inline void decompress(std::string &content)
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strm.zfree = Z_NULL;
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strm.opaque = Z_NULL;
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// 15 is the value of wbits, which should be at the maximum possible value to ensure
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// that any gzip stream can be decoded. The offset of 16 specifies that the stream
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// to decompress will be formatted with a gzip wrapper.
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// 15 is the value of wbits, which should be at the maximum possible value to
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// ensure that any gzip stream can be decoded. The offset of 16 specifies that
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// the stream to decompress will be formatted with a gzip wrapper.
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auto ret = inflateInit2(&strm, 16 + 15);
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if(ret != Z_OK)
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{
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@ -1728,7 +1777,9 @@ inline const std::string &BufferStream::get_buffer() const
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}
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// HTTP server implementation
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inline Server::Server() : keep_alive_max_count_(5), is_running_(false), svr_sock_(INVALID_SOCKET), running_threads_(0)
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inline Server::Server()
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: keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), payload_max_length_(CPPHTTPLIB_PAYLOAD_MAX_LENGTH),
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is_running_(false), svr_sock_(INVALID_SOCKET), running_threads_(0)
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{
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#ifndef _WIN32
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signal(SIGPIPE, SIG_IGN);
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@ -1757,6 +1808,12 @@ inline Server &Server::Put(const char *pattern, Handler handler)
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return *this;
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}
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inline Server &Server::Patch(const char *pattern, Handler handler)
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{
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patch_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
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return *this;
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}
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inline Server &Server::Delete(const char *pattern, Handler handler)
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{
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delete_handlers_.push_back(std::make_pair(boost::regex(pattern), handler));
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@ -1794,6 +1851,11 @@ inline void Server::set_keep_alive_max_count(size_t count)
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keep_alive_max_count_ = count;
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}
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inline void Server::set_payload_max_length(uint64_t length)
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{
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payload_max_length_ = length;
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}
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inline int Server::bind_to_any_port(const char *host, int socket_flags)
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{
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return bind_internal(host, 0, socket_flags);
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@ -1830,7 +1892,8 @@ inline void Server::stop()
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inline bool Server::parse_request_line(const char *s, Request &req)
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{
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static boost::regex re("(GET|HEAD|POST|PUT|DELETE|OPTIONS) (([^?]+)(?:\\?(.+?))?) (HTTP/1\\.[01])\r\n");
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static boost::regex re("(GET|HEAD|POST|PUT|PATCH|DELETE|OPTIONS) "
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"(([^?]+)(?:\\?(.+?))?) (HTTP/1\\.[01])\r\n");
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boost::cmatch m;
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if(boost::regex_match(s, m, re))
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@ -2119,6 +2182,10 @@ inline bool Server::routing(Request &req, Response &res)
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{
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return dispatch_request(req, res, put_handlers_);
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}
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else if(req.method == "PATCH")
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{
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return dispatch_request(req, res, patch_handlers_);
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}
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else if(req.method == "DELETE")
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{
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return dispatch_request(req, res, delete_handlers_);
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@ -2164,6 +2231,14 @@ inline bool Server::process_request(Stream &strm, bool last_connection, bool &co
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res.version = "HTTP/1.1";
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// Check if the request URI doesn't exceed the limit
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if(reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH)
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{
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res.status = 414;
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write_response(strm, last_connection, req, res);
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return true;
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}
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// Request line and headers
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if(!parse_request_line(reader.ptr(), req) || !detail::read_headers(strm, req.headers))
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{
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@ -2180,13 +2255,14 @@ inline bool Server::process_request(Stream &strm, bool last_connection, bool &co
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req.set_header("REMOTE_ADDR", strm.get_remote_addr().c_str());
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// Body
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if(req.method == "POST" || req.method == "PUT")
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if(req.method == "POST" || req.method == "PUT" || req.method == "PATCH")
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{
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if(!detail::read_content(strm, req))
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bool exceed_payload_max_length = false;
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if(!detail::read_content(strm, req, payload_max_length_, exceed_payload_max_length))
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{
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res.status = 400;
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res.status = exceed_payload_max_length ? 413 : 400;
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write_response(strm, last_connection, req, res);
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return true;
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return !exceed_payload_max_length;
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}
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const auto &content_type = req.get_header_value("Content-Type");
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@ -2333,26 +2409,29 @@ inline void Client::write_request(Stream &strm, Request &req)
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bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str());
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// Headers
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if(is_ssl())
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if(!req.has_header("Host"))
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{
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if(port_ == 443)
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if(is_ssl())
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{
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req.set_header("Host", host_.c_str());
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if(port_ == 443)
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{
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req.set_header("Host", host_.c_str());
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}
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else
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{
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req.set_header("Host", host_and_port_.c_str());
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}
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}
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else
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{
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req.set_header("Host", host_and_port_.c_str());
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}
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}
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else
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{
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if(port_ == 80)
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{
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req.set_header("Host", host_.c_str());
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}
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else
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{
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req.set_header("Host", host_and_port_.c_str());
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if(port_ == 80)
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{
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req.set_header("Host", host_.c_str());
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}
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else
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{
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req.set_header("Host", host_and_port_.c_str());
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}
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}
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}
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@ -2373,7 +2452,7 @@ inline void Client::write_request(Stream &strm, Request &req)
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if(req.body.empty())
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{
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if(req.method == "POST" || req.method == "PUT")
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if(req.method == "POST" || req.method == "PUT" || req.method == "PATCH")
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{
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req.set_header("Content-Length", "0");
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}
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@ -2385,8 +2464,11 @@ inline void Client::write_request(Stream &strm, Request &req)
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req.set_header("Content-Type", "text/plain");
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}
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auto length = std::to_string(req.body.size());
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req.set_header("Content-Length", length.c_str());
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if(!req.has_header("Content-Length"))
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{
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auto length = std::to_string(req.body.size());
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req.set_header("Content-Length", length.c_str());
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}
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}
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detail::write_headers(bstrm, req);
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@ -2421,7 +2503,9 @@ inline bool Client::process_request(Stream &strm, Request &req, Response &res, b
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// Body
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if(req.method != "HEAD")
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{
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if(!detail::read_content(strm, res, req.progress))
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bool exceed_payload_max_length = false;
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if(!detail::read_content(strm, res, std::numeric_limits<uint64_t>::max(), exceed_payload_max_length,
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req.progress))
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{
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return false;
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}
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@ -2550,6 +2634,27 @@ inline std::shared_ptr<Response> Client::Put(const char *path, const Headers &he
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return send(req, *res) ? res : nullptr;
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}
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inline std::shared_ptr<Response> Client::Patch(const char *path, const std::string &body, const char *content_type)
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{
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return Patch(path, Headers(), body, content_type);
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}
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inline std::shared_ptr<Response> Client::Patch(const char *path, const Headers &headers, const std::string &body,
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const char *content_type)
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{
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Request req;
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req.method = "PATCH";
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req.headers = headers;
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req.path = path;
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req.headers.emplace("Content-Type", content_type);
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req.body = body;
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auto res = std::make_shared<Response>();
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return send(req, *res) ? res : nullptr;
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}
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inline std::shared_ptr<Response> Client::Delete(const char *path)
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{
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return Delete(path, Headers());
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@ -2663,6 +2768,11 @@ class SSLInit
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SSL_load_error_strings();
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SSL_library_init();
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}
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~SSLInit()
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{
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ERR_free_strings();
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}
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};
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static SSLInit sslinit_;
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