diff --git a/.gitmodules b/.gitmodules index 3afcd9b0c3..e054a8d44c 100644 --- a/.gitmodules +++ b/.gitmodules @@ -85,3 +85,6 @@ [submodule "hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu"] path = hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu url = https://github.com/abaire/nv2a_vsh_cpu.git +[submodule "ui/thirdparty/httplib"] + path = ui/thirdparty/httplib + url = https://github.com/yhirose/cpp-httplib diff --git a/configure b/configure index 706200c198..761cd5e431 100755 --- a/configure +++ b/configure @@ -237,7 +237,7 @@ else git_submodules_action="ignore" fi -git_submodules="ui/keycodemapdb ui/thirdparty/imgui ui/thirdparty/implot util/xxHash tomlplusplus genconfig hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu" +git_submodules="ui/keycodemapdb ui/thirdparty/imgui ui/thirdparty/implot ui/thirdparty/httplib util/xxHash tomlplusplus genconfig hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu" git="git" # Don't accept a target_list environment variable. diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh index ef51d3b784..0496ebeb6c 100755 --- a/scripts/archive-source.sh +++ b/scripts/archive-source.sh @@ -28,7 +28,7 @@ sub_file="${sub_tdir}/submodule.tar" # different to the host OS. submodules="dtc meson ui/keycodemapdb" submodules="$submodules tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3" -submodules="$submodules ui/thirdparty/imgui ui/thirdparty/implot util/xxHash tomlplusplus genconfig" # xemu extras +submodules="$submodules ui/thirdparty/imgui ui/thirdparty/implot ui/thirdparty/httplib util/xxHash tomlplusplus genconfig" # xemu extras submodules="$submodules hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu" sub_deinit="" diff --git a/scripts/gen-license.py b/scripts/gen-license.py index d0372e91ba..05a6cb078c 100755 --- a/scripts/gen-license.py +++ b/scripts/gen-license.py @@ -192,7 +192,7 @@ def head(self): Lib('httplib', 'https://github.com/yhirose/cpp-httplib', mit, 'https://raw.githubusercontent.com/yhirose/cpp-httplib/master/LICENSE', ships_static=all_platforms, - version='776b3ffbf95520047eb6e21ccdb9237eb5c4eaee' + submodule=Submodule('ui/thirdparty/httplib') ), Lib('noc', 'https://github.com/guillaumechereau/noc/blob/master/noc_file_dialog.h', diff --git a/ui/thirdparty/httplib b/ui/thirdparty/httplib new file mode 160000 index 0000000000..0f1b62c2b3 --- /dev/null +++ b/ui/thirdparty/httplib @@ -0,0 +1 @@ +Subproject commit 0f1b62c2b3d0898cbab7aa685c2593303ffdc1a2 diff --git a/ui/thirdparty/httplib/httplib.h b/ui/thirdparty/httplib/httplib.h deleted file mode 100644 index 3077e55fc0..0000000000 --- a/ui/thirdparty/httplib/httplib.h +++ /dev/null @@ -1,4859 +0,0 @@ -// -// httplib.h -// -// Copyright (c) 2020 Yuji Hirose. All rights reserved. -// MIT License -// - -#ifndef CPPHTTPLIB_HTTPLIB_H -#define CPPHTTPLIB_HTTPLIB_H - -/* - * Configuration - */ - -#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND -#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5 -#endif - -#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND -#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND 0 -#endif - -#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT -#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5 -#endif - -#ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND -#define CPPHTTPLIB_READ_TIMEOUT_SECOND 5 -#endif - -#ifndef CPPHTTPLIB_READ_TIMEOUT_USECOND -#define CPPHTTPLIB_READ_TIMEOUT_USECOND 0 -#endif - -#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH -#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 -#endif - -#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT -#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20 -#endif - -#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH -#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits::max)()) -#endif - -#ifndef CPPHTTPLIB_RECV_BUFSIZ -#define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u) -#endif - -#ifndef CPPHTTPLIB_THREAD_POOL_COUNT -#define CPPHTTPLIB_THREAD_POOL_COUNT \ - ((std::max)(1u, std::thread::hardware_concurrency() - 1)) -#endif - -/* - * Headers - */ - -#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) -#ifdef _WIN64 -using ssize_t = __int64; -#else -using ssize_t = int; -#endif - -#if _MSC_VER < 1900 -#define snprintf _snprintf_s -#endif -#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 -#include -#include - -#ifndef WSA_FLAG_NO_HANDLE_INHERIT -#define WSA_FLAG_NO_HANDLE_INHERIT 0x80 -#endif - -#ifdef _MSC_VER -#pragma comment(lib, "ws2_32.lib") -#endif - -#ifndef strcasecmp -#define strcasecmp _stricmp -#endif // strcasecmp - -using socket_t = SOCKET; -#ifdef CPPHTTPLIB_USE_POLL -#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout) -#endif - -#else // not _WIN32 - -#include -#include -#include -#include -#include -#ifdef CPPHTTPLIB_USE_POLL -#include -#endif -#include -#include -#include -#include -#include - -using socket_t = int; -#define INVALID_SOCKET (-1) -#endif //_WIN32 - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -#include -#include -#include -#include - -#include -#include -#include - -// #if OPENSSL_VERSION_NUMBER < 0x1010100fL -// #error Sorry, OpenSSL versions prior to 1.1.1 are not supported -// #endif - -#if OPENSSL_VERSION_NUMBER < 0x10100000L -#include -inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) { - return M_ASN1_STRING_data(asn1); -} -#endif -#endif - -#ifdef CPPHTTPLIB_ZLIB_SUPPORT -#include -#endif - -/* - * Declaration - */ -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 - -using Headers = std::multimap; - -using Params = std::multimap; -using Match = std::smatch; - -using Progress = std::function; - -struct Response; -using ResponseHandler = std::function; - -struct MultipartFormData { - std::string name; - std::string content; - std::string filename; - std::string content_type; -}; -using MultipartFormDataItems = std::vector; -using MultipartFormDataMap = std::multimap; - -class DataSink { -public: - DataSink() = default; - DataSink(const DataSink &) = delete; - DataSink &operator=(const DataSink &) = delete; - DataSink(DataSink &&) = delete; - DataSink &operator=(DataSink &&) = delete; - - std::function write; - std::function done; - std::function is_writable; -}; - -using ContentProvider = - std::function; - -using ContentReceiver = - std::function; - -using MultipartContentHeader = - std::function; - -class ContentReader { -public: - using Reader = std::function; - using MultipartReader = std::function; - - ContentReader(Reader reader, MultipartReader muitlpart_reader) - : reader_(reader), muitlpart_reader_(muitlpart_reader) {} - - bool operator()(MultipartContentHeader header, - ContentReceiver receiver) const { - return muitlpart_reader_(header, receiver); - } - - bool operator()(ContentReceiver receiver) const { return reader_(receiver); } - - Reader reader_; - MultipartReader muitlpart_reader_; -}; - -using Range = std::pair; -using Ranges = std::vector; - -struct Request { - std::string method; - std::string path; - Headers headers; - std::string body; - - // for server - std::string version; - std::string target; - Params params; - MultipartFormDataMap files; - Ranges ranges; - Match matches; - - // for client - size_t redirect_count = CPPHTTPLIB_REDIRECT_MAX_COUNT; - ResponseHandler response_handler; - ContentReceiver content_receiver; - Progress progress; - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - const SSL *ssl; -#endif - - 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_header(const char *key, const std::string &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 is_multipart_form_data() const; - - bool has_file(const char *key) const; - MultipartFormData get_file_value(const char *key) const; - - // private members... - size_t content_length; - ContentProvider content_provider; -}; - -struct Response { - std::string version; - int status = -1; - Headers headers; - std::string body; - - 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_header(const char *key, const std::string &val); - - void set_redirect(const char *url); - void set_content(const char *s, size_t n, const char *content_type); - void set_content(std::string s, const char *content_type); - - void set_content_provider( - size_t length, - std::function - provider, - std::function resource_releaser = [] {}); - - void set_chunked_content_provider( - std::function provider, - std::function resource_releaser = [] {}); - - Response() = default; - Response(const Response &) = default; - Response &operator=(const Response &) = default; - Response(Response &&) = default; - Response &operator=(Response &&) = default; - ~Response() { - if (content_provider_resource_releaser) { - content_provider_resource_releaser(); - } - } - - // private members... - size_t content_length = 0; - ContentProvider content_provider; - std::function content_provider_resource_releaser; -}; - -class Stream { -public: - virtual ~Stream() = default; - - virtual bool is_readable() const = 0; - virtual bool is_writable() const = 0; - - virtual ssize_t read(char *ptr, size_t size) = 0; - virtual ssize_t write(const char *ptr, size_t size) = 0; - virtual std::string get_remote_addr() const = 0; - - template - ssize_t write_format(const char *fmt, const Args &... args); - ssize_t write(const char *ptr); - ssize_t write(const std::string &s); -}; - -class TaskQueue { -public: - TaskQueue() = default; - virtual ~TaskQueue() = default; - virtual void enqueue(std::function fn) = 0; - virtual void shutdown() = 0; -}; - -class ThreadPool : public TaskQueue { -public: - explicit ThreadPool(size_t n) : shutdown_(false) { - while (n) { - threads_.emplace_back(worker(*this)); - n--; - } - } - - ThreadPool(const ThreadPool &) = delete; - ~ThreadPool() override = default; - - void enqueue(std::function fn) override { - std::unique_lock lock(mutex_); - jobs_.push_back(fn); - cond_.notify_one(); - } - - void shutdown() override { - // Stop all worker threads... - { - std::unique_lock lock(mutex_); - shutdown_ = true; - } - - cond_.notify_all(); - - // Join... - for (auto &t : threads_) { - t.join(); - } - } - -private: - struct worker { - explicit worker(ThreadPool &pool) : pool_(pool) {} - - void operator()() { - for (;;) { - std::function fn; - { - std::unique_lock lock(pool_.mutex_); - - pool_.cond_.wait( - lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; }); - - if (pool_.shutdown_ && pool_.jobs_.empty()) { break; } - - fn = pool_.jobs_.front(); - pool_.jobs_.pop_front(); - } - - assert(true == static_cast(fn)); - fn(); - } - } - - ThreadPool &pool_; - }; - friend struct worker; - - std::vector threads_; - std::list> jobs_; - - bool shutdown_; - - std::condition_variable cond_; - std::mutex mutex_; -}; - -using Logger = std::function; - -class Server { -public: - using Handler = std::function; - using HandlerWithContentReader = std::function; - using Expect100ContinueHandler = - std::function; - - Server(); - - virtual ~Server(); - - virtual bool is_valid() const; - - Server &Get(const char *pattern, Handler handler); - Server &Post(const char *pattern, Handler handler); - Server &Post(const char *pattern, HandlerWithContentReader handler); - Server &Put(const char *pattern, Handler handler); - Server &Put(const char *pattern, HandlerWithContentReader handler); - Server &Patch(const char *pattern, Handler handler); - Server &Patch(const char *pattern, HandlerWithContentReader handler); - Server &Delete(const char *pattern, Handler handler); - Server &Options(const char *pattern, Handler handler); - - [[deprecated]] bool set_base_dir(const char *dir, - const char *mount_point = nullptr); - bool set_mount_point(const char *mount_point, const char *dir); - bool remove_mount_point(const char *mount_point); - void set_file_extension_and_mimetype_mapping(const char *ext, - const char *mime); - void set_file_request_handler(Handler handler); - - void set_error_handler(Handler handler); - void set_logger(Logger logger); - - void set_expect_100_continue_handler(Expect100ContinueHandler handler); - - void set_keep_alive_max_count(size_t count); - void set_read_timeout(time_t sec, time_t usec); - void set_payload_max_length(size_t length); - - bool bind_to_port(const char *host, int port, int socket_flags = 0); - 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(); - - std::function new_task_queue; - -protected: - bool process_request(Stream &strm, bool last_connection, - bool &connection_close, - const std::function &setup_request); - - size_t keep_alive_max_count_; - time_t read_timeout_sec_; - time_t read_timeout_usec_; - size_t payload_max_length_; - -private: - using Handlers = std::vector>; - using HandlersForContentReader = - std::vector>; - - 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, Stream &strm); - bool handle_file_request(Request &req, Response &res, bool head = false); - bool dispatch_request(Request &req, Response &res, Handlers &handlers); - bool dispatch_request_for_content_reader(Request &req, Response &res, - ContentReader content_reader, - HandlersForContentReader &handlers); - - bool parse_request_line(const char *s, Request &req); - bool write_response(Stream &strm, bool last_connection, const Request &req, - Response &res); - bool write_content_with_provider(Stream &strm, const Request &req, - Response &res, const std::string &boundary, - const std::string &content_type); - bool read_content(Stream &strm, Request &req, Response &res); - bool - read_content_with_content_receiver(Stream &strm, Request &req, Response &res, - ContentReceiver receiver, - MultipartContentHeader multipart_header, - ContentReceiver multipart_receiver); - bool read_content_core(Stream &strm, Request &req, Response &res, - ContentReceiver receiver, - MultipartContentHeader mulitpart_header, - ContentReceiver multipart_receiver); - - virtual bool process_and_close_socket(socket_t sock); - - std::atomic is_running_; - std::atomic svr_sock_; - std::vector> base_dirs_; - std::map file_extension_and_mimetype_map_; - Handler file_request_handler_; - Handlers get_handlers_; - Handlers post_handlers_; - HandlersForContentReader post_handlers_for_content_reader_; - Handlers put_handlers_; - HandlersForContentReader put_handlers_for_content_reader_; - Handlers patch_handlers_; - HandlersForContentReader patch_handlers_for_content_reader_; - Handlers delete_handlers_; - Handlers options_handlers_; - Handler error_handler_; - Logger logger_; - Expect100ContinueHandler expect_100_continue_handler_; -}; - -class Client { -public: - explicit Client(const std::string &host, int port = 80, - const std::string &client_cert_path = std::string(), - const std::string &client_key_path = std::string()); - - virtual ~Client(); - - virtual bool is_valid() const; - - std::shared_ptr Get(const char *path); - - std::shared_ptr Get(const char *path, const Headers &headers); - - std::shared_ptr Get(const char *path, Progress progress); - - std::shared_ptr Get(const char *path, const Headers &headers, - Progress progress); - - std::shared_ptr Get(const char *path, - ContentReceiver content_receiver); - - std::shared_ptr Get(const char *path, const Headers &headers, - ContentReceiver content_receiver); - - std::shared_ptr - Get(const char *path, ContentReceiver content_receiver, Progress progress); - - std::shared_ptr Get(const char *path, const Headers &headers, - ContentReceiver content_receiver, - Progress progress); - - std::shared_ptr Get(const char *path, const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver); - - std::shared_ptr Get(const char *path, const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver, - Progress progress); - - std::shared_ptr Head(const char *path); - - std::shared_ptr Head(const char *path, const Headers &headers); - - std::shared_ptr Post(const char *path, const std::string &body, - const char *content_type); - - std::shared_ptr Post(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); - - std::shared_ptr Post(const char *path, size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr Post(const char *path, const Headers &headers, - size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr Post(const char *path, const Params ¶ms); - - std::shared_ptr Post(const char *path, const Headers &headers, - const Params ¶ms); - - std::shared_ptr Post(const char *path, - const MultipartFormDataItems &items); - - std::shared_ptr Post(const char *path, const Headers &headers, - const MultipartFormDataItems &items); - - std::shared_ptr Put(const char *path, const std::string &body, - const char *content_type); - - std::shared_ptr Put(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); - - std::shared_ptr Put(const char *path, size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr Put(const char *path, const Headers &headers, - size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr Put(const char *path, const Params ¶ms); - - std::shared_ptr Put(const char *path, const Headers &headers, - const Params ¶ms); - - std::shared_ptr Patch(const char *path, const std::string &body, - const char *content_type); - - std::shared_ptr Patch(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); - - std::shared_ptr Patch(const char *path, size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr Patch(const char *path, const Headers &headers, - size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr Delete(const char *path); - - std::shared_ptr Delete(const char *path, const std::string &body, - const char *content_type); - - std::shared_ptr Delete(const char *path, const Headers &headers); - - std::shared_ptr Delete(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); - - std::shared_ptr Options(const char *path); - - std::shared_ptr Options(const char *path, const Headers &headers); - - bool send(const Request &req, Response &res); - - bool send(const std::vector &requests, - std::vector &responses); - - void set_timeout_sec(time_t timeout_sec); - - void set_read_timeout(time_t sec, time_t usec); - - void set_keep_alive_max_count(size_t count); - - void set_basic_auth(const char *username, const char *password); - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_digest_auth(const char *username, const char *password); -#endif - - void set_follow_location(bool on); - - void set_compress(bool on); - - void set_interface(const char *intf); - - void set_proxy(const char *host, int port); - - void set_proxy_basic_auth(const char *username, const char *password); - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_proxy_digest_auth(const char *username, const char *password); -#endif - - void set_logger(Logger logger); - -protected: - bool process_request(Stream &strm, const Request &req, Response &res, - bool last_connection, bool &connection_close); - - const std::string host_; - const int port_; - const std::string host_and_port_; - - // Settings - std::string client_cert_path_; - std::string client_key_path_; - - time_t timeout_sec_ = 300; - time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; - time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; - - size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; - - std::string basic_auth_username_; - std::string basic_auth_password_; -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - std::string digest_auth_username_; - std::string digest_auth_password_; -#endif - - bool follow_location_ = false; - - bool compress_ = false; - - std::string interface_; - - std::string proxy_host_; - int proxy_port_; - - std::string proxy_basic_auth_username_; - std::string proxy_basic_auth_password_; -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - std::string proxy_digest_auth_username_; - std::string proxy_digest_auth_password_; -#endif - - Logger logger_; - - void copy_settings(const Client &rhs) { - client_cert_path_ = rhs.client_cert_path_; - client_key_path_ = rhs.client_key_path_; - timeout_sec_ = rhs.timeout_sec_; - read_timeout_sec_ = rhs.read_timeout_sec_; - read_timeout_usec_ = rhs.read_timeout_usec_; - keep_alive_max_count_ = rhs.keep_alive_max_count_; - basic_auth_username_ = rhs.basic_auth_username_; - basic_auth_password_ = rhs.basic_auth_password_; -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - digest_auth_username_ = rhs.digest_auth_username_; - digest_auth_password_ = rhs.digest_auth_password_; -#endif - follow_location_ = rhs.follow_location_; - compress_ = rhs.compress_; - interface_ = rhs.interface_; - proxy_host_ = rhs.proxy_host_; - proxy_port_ = rhs.proxy_port_; - proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; - proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; - proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; -#endif - logger_ = rhs.logger_; - } - -private: - socket_t create_client_socket() const; - bool read_response_line(Stream &strm, Response &res); - bool write_request(Stream &strm, const Request &req, bool last_connection); - bool redirect(const Request &req, Response &res); - bool handle_request(Stream &strm, const Request &req, Response &res, - bool last_connection, bool &connection_close); -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - bool connect(socket_t sock, Response &res, bool &error); -#endif - - std::shared_ptr send_with_content_provider( - const char *method, const char *path, const Headers &headers, - const std::string &body, size_t content_length, - ContentProvider content_provider, const char *content_type); - - virtual bool process_and_close_socket( - socket_t sock, size_t request_count, - std::function - callback); - - virtual bool is_ssl() const; -}; - -inline void Get(std::vector &requests, const char *path, - const Headers &headers) { - Request req; - req.method = "GET"; - req.path = path; - req.headers = headers; - requests.emplace_back(std::move(req)); -} - -inline void Get(std::vector &requests, const char *path) { - Get(requests, path, Headers()); -} - -inline void Post(std::vector &requests, const char *path, - const Headers &headers, const std::string &body, - const char *content_type) { - Request req; - req.method = "POST"; - req.path = path; - req.headers = headers; - req.headers.emplace("Content-Type", content_type); - req.body = body; - requests.emplace_back(std::move(req)); -} - -inline void Post(std::vector &requests, const char *path, - const std::string &body, const char *content_type) { - Post(requests, path, Headers(), body, content_type); -} - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -class SSLServer : public Server { -public: - SSLServer(const char *cert_path, const char *private_key_path, - const char *client_ca_cert_file_path = nullptr, - const char *client_ca_cert_dir_path = nullptr); - - ~SSLServer() override; - - bool is_valid() const override; - -private: - bool process_and_close_socket(socket_t sock) override; - - SSL_CTX *ctx_; - std::mutex ctx_mutex_; -}; - -class SSLClient : public Client { -public: - explicit SSLClient(const std::string &host, int port = 443, - const std::string &client_cert_path = std::string(), - const std::string &client_key_path = std::string()); - - ~SSLClient() override; - - bool is_valid() const override; - - void set_ca_cert_path(const char *ca_ceert_file_path, - const char *ca_cert_dir_path = nullptr); - - void enable_server_certificate_verification(bool enabled); - - long get_openssl_verify_result() const; - - SSL_CTX *ssl_context() const noexcept; - -private: - bool process_and_close_socket( - socket_t sock, size_t request_count, - std::function - callback) override; - bool is_ssl() const override; - - bool verify_host(X509 *server_cert) const; - bool verify_host_with_subject_alt_name(X509 *server_cert) const; - bool verify_host_with_common_name(X509 *server_cert) const; - bool check_host_name(const char *pattern, size_t pattern_len) const; - - SSL_CTX *ctx_; - std::mutex ctx_mutex_; - std::vector host_components_; - - std::string ca_cert_file_path_; - std::string ca_cert_dir_path_; - bool server_certificate_verification_ = false; - long verify_result_ = 0; -}; -#endif - -// ---------------------------------------------------------------------------- - -/* - * Implementation - */ - -namespace detail { - -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(size_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] = static_cast(0xC0 | ((code >> 6) & 0x1F)); - buff[1] = static_cast(0x80 | (code & 0x3F)); - return 2; - } else if (code < 0xD800) { - buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); - buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); - buff[2] = static_cast(0x80 | (code & 0x3F)); - return 3; - } else if (code < 0xE000) { // D800 - DFFF is invalid... - return 0; - } else if (code < 0x10000) { - buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); - buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); - buff[2] = static_cast(0x80 | (code & 0x3F)); - return 3; - } else if (code < 0x110000) { - buff[0] = static_cast(0xF0 | ((code >> 18) & 0x7)); - buff[1] = static_cast(0x80 | ((code >> 12) & 0x3F)); - buff[2] = static_cast(0x80 | ((code >> 6) & 0x3F)); - buff[3] = static_cast(0x80 | (code & 0x3F)); - return 4; - } - - // NOTREACHED - return 0; -} - -// NOTE: This code came up with the following stackoverflow post: -// https://stackoverflow.com/questions/180947/base64-decode-snippet-in-c -inline std::string base64_encode(const std::string &in) { - static const auto lookup = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - - std::string out; - out.reserve(in.size()); - - int val = 0; - int valb = -6; - - for (auto c : in) { - val = (val << 8) + static_cast(c); - valb += 8; - while (valb >= 0) { - out.push_back(lookup[(val >> valb) & 0x3F]); - valb -= 6; - } - } - - if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); } - - while (out.size() % 4) { - out.push_back('='); - } - - return out; -} - -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)); - fs.read(&out[0], size); -} - -inline std::string file_extension(const std::string &path) { - std::smatch m; - static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); - if (std::regex_search(path, m, re)) { return m[1].str(); } - return std::string(); -} - -template 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 end_with_crlf() const { - auto end = ptr() + size(); - return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; - } - - 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_ = 0; - 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) { -#ifdef CPPHTTPLIB_USE_POLL - struct pollfd pfd_read; - pfd_read.fd = sock; - pfd_read.events = POLLIN; - - auto timeout = static_cast(sec * 1000 + usec / 1000); - - return poll(&pfd_read, 1, timeout); -#else - fd_set fds; - FD_ZERO(&fds); - FD_SET(sock, &fds); - - timeval tv; - tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); - - return select(static_cast(sock + 1), &fds, nullptr, nullptr, &tv); -#endif -} - -inline int select_write(socket_t sock, time_t sec, time_t usec) { -#ifdef CPPHTTPLIB_USE_POLL - struct pollfd pfd_read; - pfd_read.fd = sock; - pfd_read.events = POLLOUT; - - auto timeout = static_cast(sec * 1000 + usec / 1000); - - return poll(&pfd_read, 1, timeout); -#else - fd_set fds; - FD_ZERO(&fds); - FD_SET(sock, &fds); - - timeval tv; - tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); - - return select(static_cast(sock + 1), nullptr, &fds, nullptr, &tv); -#endif -} - -inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { -#ifdef CPPHTTPLIB_USE_POLL - struct pollfd pfd_read; - pfd_read.fd = sock; - pfd_read.events = POLLIN | POLLOUT; - - auto timeout = static_cast(sec * 1000 + usec / 1000); - - if (poll(&pfd_read, 1, timeout) > 0 && - pfd_read.revents & (POLLIN | POLLOUT)) { - int error = 0; - socklen_t len = sizeof(error); - return getsockopt(sock, SOL_SOCKET, SO_ERROR, - reinterpret_cast(&error), &len) >= 0 && - !error; - } - return false; -#else - fd_set fdsr; - FD_ZERO(&fdsr); - FD_SET(sock, &fdsr); - - auto fdsw = fdsr; - auto fdse = fdsr; - - timeval tv; - tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); - - if (select(static_cast(sock + 1), &fdsr, &fdsw, &fdse, &tv) > 0 && - (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { - int error = 0; - socklen_t len = sizeof(error); - return getsockopt(sock, SOL_SOCKET, SO_ERROR, - reinterpret_cast(&error), &len) >= 0 && - !error; - } - return false; -#endif -} - -class SocketStream : public Stream { -public: - SocketStream(socket_t sock, time_t read_timeout_sec, - time_t read_timeout_usec); - ~SocketStream() override; - - bool is_readable() const override; - bool is_writable() const override; - ssize_t read(char *ptr, size_t size) override; - ssize_t write(const char *ptr, size_t size) override; - std::string get_remote_addr() const override; - -private: - socket_t sock_; - time_t read_timeout_sec_; - time_t read_timeout_usec_; -}; - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -class SSLSocketStream : public Stream { -public: - SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, - time_t read_timeout_usec); - ~SSLSocketStream() override; - - bool is_readable() const override; - bool is_writable() const override; - ssize_t read(char *ptr, size_t size) override; - ssize_t write(const char *ptr, size_t size) override; - std::string get_remote_addr() const override; - -private: - socket_t sock_; - SSL *ssl_; - time_t read_timeout_sec_; - time_t read_timeout_usec_; -}; -#endif - -class BufferStream : public Stream { -public: - BufferStream() = default; - ~BufferStream() override = default; - - bool is_readable() const override; - bool is_writable() const override; - ssize_t read(char *ptr, size_t size) override; - ssize_t write(const char *ptr, size_t size) override; - std::string get_remote_addr() const override; - - const std::string &get_buffer() const; - -private: - std::string buffer; - size_t position = 0; -}; - -template -inline bool process_socket(bool is_client_request, socket_t sock, - size_t keep_alive_max_count, time_t read_timeout_sec, - time_t read_timeout_usec, T callback) { - assert(keep_alive_max_count > 0); - - auto ret = false; - - if (keep_alive_max_count > 1) { - auto count = keep_alive_max_count; - while (count > 0 && - (is_client_request || - select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, - CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { - SocketStream strm(sock, read_timeout_sec, read_timeout_usec); - auto last_connection = count == 1; - auto connection_close = false; - - ret = callback(strm, last_connection, connection_close); - if (!ret || connection_close) { break; } - - count--; - } - } else { // keep_alive_max_count is 0 or 1 - SocketStream strm(sock, read_timeout_sec, read_timeout_usec); - auto dummy_connection_close = false; - ret = callback(strm, true, dummy_connection_close); - } - - return ret; -} - -template -inline bool process_and_close_socket(bool is_client_request, socket_t sock, - size_t keep_alive_max_count, - time_t read_timeout_sec, - time_t read_timeout_usec, T callback) { - auto ret = process_socket(is_client_request, sock, keep_alive_max_count, - read_timeout_sec, read_timeout_usec, callback); - 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 -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 -#ifdef _WIN32 - auto sock = WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, - nullptr, 0, WSA_FLAG_NO_HANDLE_INHERIT); - /** - * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 - * and above the socket creation fails on older Windows Systems. - * - * Let's try to create a socket the old way in this case. - * - * Reference: - * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa - * - * WSA_FLAG_NO_HANDLE_INHERIT: - * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with - * SP1, and later - * - */ - if (sock == INVALID_SOCKET) { - sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); - } -#else - auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); -#endif - if (sock == INVALID_SOCKET) { continue; } - -#ifndef _WIN32 - if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { continue; } -#endif - - // Make 'reuse address' option available - int yes = 1; - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), - sizeof(yes)); -#ifdef SO_REUSEPORT - setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast(&yes), - sizeof(yes)); -#endif - - // 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 bool bind_ip_address(socket_t sock, const char *host) { - struct addrinfo hints; - struct addrinfo *result; - - memset(&hints, 0, sizeof(struct addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = 0; - - if (getaddrinfo(host, "0", &hints, &result)) { return false; } - - auto ret = false; - for (auto rp = result; rp; rp = rp->ai_next) { - const auto &ai = *rp; - if (!::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { - ret = true; - break; - } - } - - freeaddrinfo(result); - return ret; -} - -inline std::string if2ip(const std::string &ifn) { -#ifndef _WIN32 - struct ifaddrs *ifap; - getifaddrs(&ifap); - for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { - if (ifa->ifa_addr && ifn == ifa->ifa_name) { - if (ifa->ifa_addr->sa_family == AF_INET) { - auto sa = reinterpret_cast(ifa->ifa_addr); - char buf[INET_ADDRSTRLEN]; - if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { - freeifaddrs(ifap); - return std::string(buf, INET_ADDRSTRLEN); - } - } - } - } - freeifaddrs(ifap); -#endif - return std::string(); -} - -inline socket_t create_client_socket(const char *host, int port, - time_t timeout_sec, - const std::string &intf) { - return create_socket( - host, port, [&](socket_t sock, struct addrinfo &ai) -> bool { - if (!intf.empty()) { - auto ip = if2ip(intf); - if (ip.empty()) { ip = intf; } - if (!bind_ip_address(sock, ip.c_str())) { return false; } - } - - set_nonblocking(sock, true); - - auto ret = - ::connect(sock, ai.ai_addr, static_cast(ai.ai_addrlen)); - if (ret < 0) { - if (is_connection_error() || - !wait_until_socket_is_ready(sock, timeout_sec, 0)) { - close_socket(sock); - return false; - } - } - - set_nonblocking(sock, false); - return true; - }); -} - -inline std::string get_remote_addr(socket_t sock) { - struct sockaddr_storage addr; - socklen_t len = sizeof(addr); - - if (!getpeername(sock, reinterpret_cast(&addr), &len)) { - std::array ipstr{}; - - if (!getnameinfo(reinterpret_cast(&addr), len, - ipstr.data(), static_cast(ipstr.size()), - nullptr, 0, NI_NUMERICHOST)) { - return ipstr.data(); - } - } - - return std::string(); -} - -inline const char * -find_content_type(const std::string &path, - const std::map &user_data) { - auto ext = file_extension(path); - - auto it = user_data.find(ext); - if (it != user_data.end()) { return it->second.c_str(); } - - if (ext == "txt") { - return "text/plain"; - } else if (ext == "html" || ext == "htm") { - 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 == "wasm") { - return "application/wasm"; - } 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 100: return "Continue"; - case 101: return "Switching Protocol"; - case 102: return "Processing"; - case 103: return "Early Hints"; - case 200: return "OK"; - case 201: return "Created"; - case 202: return "Accepted"; - case 203: return "Non-Authoritative Information"; - case 204: return "No Content"; - case 205: return "Reset Content"; - case 206: return "Partial Content"; - case 207: return "Multi-Status"; - case 208: return "Already Reported"; - case 226: return "IM Used"; - case 300: return "Multiple Choice"; - case 301: return "Moved Permanently"; - case 302: return "Found"; - case 303: return "See Other"; - case 304: return "Not Modified"; - case 305: return "Use Proxy"; - case 306: return "unused"; - case 307: return "Temporary Redirect"; - case 308: return "Permanent Redirect"; - case 400: return "Bad Request"; - case 401: return "Unauthorized"; - case 402: return "Payment Required"; - case 403: return "Forbidden"; - case 404: return "Not Found"; - case 405: return "Method Not Allowed"; - case 406: return "Not Acceptable"; - case 407: return "Proxy Authentication Required"; - case 408: return "Request Timeout"; - case 409: return "Conflict"; - case 410: return "Gone"; - case 411: return "Length Required"; - case 412: return "Precondition Failed"; - case 413: return "Payload Too Large"; - case 414: return "URI Too Long"; - case 415: return "Unsupported Media Type"; - case 416: return "Range Not Satisfiable"; - case 417: return "Expectation Failed"; - case 418: return "I'm a teapot"; - case 421: return "Misdirected Request"; - case 422: return "Unprocessable Entity"; - case 423: return "Locked"; - case 424: return "Failed Dependency"; - case 425: return "Too Early"; - case 426: return "Upgrade Required"; - case 428: return "Precondition Required"; - case 429: return "Too Many Requests"; - case 431: return "Request Header Fields Too Large"; - case 451: return "Unavailable For Legal Reasons"; - case 501: return "Not Implemented"; - case 502: return "Bad Gateway"; - case 503: return "Service Unavailable"; - case 504: return "Gateway Timeout"; - case 505: return "HTTP Version Not Supported"; - case 506: return "Variant Also Negotiates"; - case 507: return "Insufficient Storage"; - case 508: return "Loop Detected"; - case 510: return "Not Extended"; - case 511: return "Network Authentication Required"; - - default: - case 500: return "Internal Server Error"; - } -} - -#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 bool 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 false; } - - strm.avail_in = static_cast(content.size()); - strm.next_in = - const_cast(reinterpret_cast(content.data())); - - std::string compressed; - - std::array buff{}; - do { - strm.avail_out = buff.size(); - strm.next_out = reinterpret_cast(buff.data()); - ret = deflate(&strm, Z_FINISH); - assert(ret != Z_STREAM_ERROR); - compressed.append(buff.data(), buff.size() - strm.avail_out); - } while (strm.avail_out == 0); - - assert(ret == Z_STREAM_END); - assert(strm.avail_in == 0); - - content.swap(compressed); - - deflateEnd(&strm); - return true; -} - -class decompressor { -public: - decompressor() { - std::memset(&strm, 0, sizeof(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 32 specifies - // that the stream type should be automatically detected either gzip or - // deflate. - is_valid_ = inflateInit2(&strm, 32 + 15) == Z_OK; - } - - ~decompressor() { inflateEnd(&strm); } - - bool is_valid() const { return is_valid_; } - - template - bool decompress(const char *data, size_t data_length, T callback) { - int ret = Z_OK; - - strm.avail_in = static_cast(data_length); - strm.next_in = const_cast(reinterpret_cast(data)); - - std::array buff{}; - do { - strm.avail_out = buff.size(); - strm.next_out = reinterpret_cast(buff.data()); - - ret = inflate(&strm, Z_NO_FLUSH); - assert(ret != Z_STREAM_ERROR); - switch (ret) { - case Z_NEED_DICT: - case Z_DATA_ERROR: - case Z_MEM_ERROR: inflateEnd(&strm); return false; - } - - if (!callback(buff.data(), buff.size() - strm.avail_out)) { - return false; - } - } while (strm.avail_out == 0); - - return ret == Z_OK || ret == Z_STREAM_END; - } - -private: - bool is_valid_; - z_stream strm; -}; -#endif - -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, static_cast(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, - uint64_t 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) { - const auto bufsiz = 2048; - char buf[bufsiz]; - stream_line_reader line_reader(strm, buf, bufsiz); - - for (;;) { - if (!line_reader.getline()) { return false; } - - // Check if the line ends with CRLF. - if (line_reader.end_with_crlf()) { - // Blank line indicates end of headers. - if (line_reader.size() == 2) { break; } - } else { - continue; // Skip invalid line. - } - - // Skip trailing spaces and tabs. - auto end = line_reader.ptr() + line_reader.size() - 2; - while (line_reader.ptr() < end && (end[-1] == ' ' || end[-1] == '\t')) { - end--; - } - - // Horizontal tab and ' ' are considered whitespace and are ignored when on - // the left or right side of the header value: - // - https://stackoverflow.com/questions/50179659/ - // - https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html - static const std::regex re(R"(([^:]+):[\t ]*(.+))"); - - std::cmatch m; - if (std::regex_match(line_reader.ptr(), end, 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, uint64_t len, - Progress progress, ContentReceiver out) { - char buf[CPPHTTPLIB_RECV_BUFSIZ]; - - uint64_t r = 0; - while (r < len) { - auto read_len = static_cast(len - r); - auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); - if (n <= 0) { return false; } - - if (!out(buf, static_cast(n))) { return false; } - - r += static_cast(n); - - if (progress) { - if (!progress(r, len)) { return false; } - } - } - - return true; -} - -inline void skip_content_with_length(Stream &strm, uint64_t len) { - char buf[CPPHTTPLIB_RECV_BUFSIZ]; - uint64_t r = 0; - while (r < len) { - auto read_len = static_cast(len - r); - auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); - if (n <= 0) { return; } - r += static_cast(n); - } -} - -inline bool read_content_without_length(Stream &strm, ContentReceiver out) { - char buf[CPPHTTPLIB_RECV_BUFSIZ]; - for (;;) { - auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ); - if (n < 0) { - return false; - } else if (n == 0) { - return true; - } - if (!out(buf, static_cast(n))) { return false; } - } - - return true; -} - -inline bool read_content_chunked(Stream &strm, ContentReceiver out) { - const auto bufsiz = 16; - char buf[bufsiz]; - - stream_line_reader line_reader(strm, buf, bufsiz); - - if (!line_reader.getline()) { return false; } - - auto chunk_len = std::stoul(line_reader.ptr(), 0, 16); - - while (chunk_len > 0) { - if (!read_content_with_length(strm, chunk_len, nullptr, out)) { - return false; - } - - if (!line_reader.getline()) { return false; } - - if (strcmp(line_reader.ptr(), "\r\n")) { break; } - - if (!line_reader.getline()) { return false; } - - chunk_len = std::stoul(line_reader.ptr(), 0, 16); - } - - if (chunk_len == 0) { - // Reader terminator after chunks - if (!line_reader.getline() || strcmp(line_reader.ptr(), "\r\n")) - return false; - } - - return true; -} - -inline bool is_chunked_transfer_encoding(const Headers &headers) { - return !strcasecmp(get_header_value(headers, "Transfer-Encoding", 0, ""), - "chunked"); -} - -template -bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, - Progress progress, ContentReceiver receiver) { - - ContentReceiver out = [&](const char *buf, size_t n) { - return receiver(buf, n); - }; - -#ifdef CPPHTTPLIB_ZLIB_SUPPORT - decompressor decompressor; - - std::string content_encoding = x.get_header_value("Content-Encoding"); - if (content_encoding.find("gzip") != std::string::npos || - content_encoding.find("deflate") != std::string::npos) { - if (!decompressor.is_valid()) { - status = 500; - return false; - } - - out = [&](const char *buf, size_t n) { - return decompressor.decompress( - buf, n, [&](const char *buf, size_t n) { return receiver(buf, n); }); - }; - } -#else - if (x.get_header_value("Content-Encoding") == "gzip") { - status = 415; - return false; - } -#endif - - auto ret = true; - auto exceed_payload_max_length = false; - - if (is_chunked_transfer_encoding(x.headers)) { - ret = read_content_chunked(strm, out); - } else if (!has_header(x.headers, "Content-Length")) { - ret = read_content_without_length(strm, out); - } else { - auto len = get_header_value_uint64(x.headers, "Content-Length", 0); - if (len > payload_max_length) { - exceed_payload_max_length = true; - skip_content_with_length(strm, len); - ret = false; - } else if (len > 0) { - ret = read_content_with_length(strm, len, progress, out); - } - } - - if (!ret) { status = exceed_payload_max_length ? 413 : 400; } - - return ret; -} - -template -inline ssize_t write_headers(Stream &strm, const T &info, - const Headers &headers) { - ssize_t write_len = 0; - for (const auto &x : info.headers) { - if (x.first == "EXCEPTION_WHAT") { continue; } - auto len = - strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); - if (len < 0) { return len; } - write_len += len; - } - for (const auto &x : headers) { - auto len = - strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); - if (len < 0) { return len; } - write_len += len; - } - auto len = strm.write("\r\n"); - if (len < 0) { return len; } - write_len += len; - return write_len; -} - -inline ssize_t write_content(Stream &strm, ContentProvider content_provider, - size_t offset, size_t length) { - size_t begin_offset = offset; - size_t end_offset = offset + length; - while (offset < end_offset) { - ssize_t written_length = 0; - - DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { - offset += l; - written_length = strm.write(d, l); - }; - data_sink.done = [&](void) { written_length = -1; }; - data_sink.is_writable = [&](void) { return strm.is_writable(); }; - - content_provider(offset, end_offset - offset, data_sink); - if (written_length < 0) { return written_length; } - } - return static_cast(offset - begin_offset); -} - -template -inline ssize_t write_content_chunked(Stream &strm, - ContentProvider content_provider, - T is_shutting_down) { - size_t offset = 0; - auto data_available = true; - ssize_t total_written_length = 0; - while (data_available && !is_shutting_down()) { - ssize_t written_length = 0; - - DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { - data_available = l > 0; - offset += l; - - // Emit chunked response header and footer for each chunk - auto chunk = from_i_to_hex(l) + "\r\n" + std::string(d, l) + "\r\n"; - written_length = strm.write(chunk); - }; - data_sink.done = [&](void) { - data_available = false; - written_length = strm.write("0\r\n\r\n"); - }; - data_sink.is_writable = [&](void) { return strm.is_writable(); }; - - content_provider(offset, 0, data_sink); - - if (written_length < 0) { return written_length; } - total_written_length += written_length; - } - return total_written_length; -} - -template -inline bool redirect(T &cli, const Request &req, Response &res, - const std::string &path) { - Request new_req = req; - new_req.path = path; - new_req.redirect_count -= 1; - - Response new_res; - - auto ret = cli.send(new_req, new_res); - if (ret) { res = new_res; } - return ret; -} - -inline std::string encode_url(const std::string &s) { - std::string result; - - for (size_t 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; // ok? probably... - case ';': result += "%3B"; break; - default: - auto c = static_cast(s[i]); - if (c >= 0x80) { - result += '%'; - char hex[4]; - auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); - assert(len == 2); - result.append(hex, static_cast(len)); - } else { - result += s[i]; - } - break; - } - } - - return result; -} - -inline std::string decode_url(const std::string &s, - bool convert_plus_to_space) { - 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 += static_cast(val); - i += 2; // '00' - } else { - result += s[i]; - } - } - } else if (convert_plus_to_space && s[i] == '+') { - result += ' '; - } else { - result += s[i]; - } - } - - return result; -} - -inline std::string params_to_query_str(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 += detail::encode_url(it->second); - } - - return query; -} - -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 *b2, const char *e2) { - if (key.empty()) { - key.assign(b2, e2); - } else { - val.assign(b2, e2); - } - }); - params.emplace(decode_url(key, true), decode_url(val, true)); - }); -} - -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_range_header(const std::string &s, Ranges &ranges) { - static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); - std::smatch m; - if (std::regex_match(s, m, re_first_range)) { - auto pos = static_cast(m.position(1)); - auto len = static_cast(m.length(1)); - bool all_valid_ranges = true; - split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { - if (!all_valid_ranges) return; - static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))"); - std::cmatch cm; - if (std::regex_match(b, e, cm, re_another_range)) { - ssize_t first = -1; - if (!cm.str(1).empty()) { - first = static_cast(std::stoll(cm.str(1))); - } - - ssize_t last = -1; - if (!cm.str(2).empty()) { - last = static_cast(std::stoll(cm.str(2))); - } - - if (first != -1 && last != -1 && first > last) { - all_valid_ranges = false; - return; - } - ranges.emplace_back(std::make_pair(first, last)); - } - }); - return all_valid_ranges; - } - return false; -} - -class MultipartFormDataParser { -public: - MultipartFormDataParser() = default; - - void set_boundary(std::string boundary) { boundary_ = std::move(boundary); } - - bool is_valid() const { return is_valid_; } - - template - bool parse(const char *buf, size_t n, T content_callback, U header_callback) { - static const std::regex re_content_type(R"(^Content-Type:\s*(.*?)\s*$)", - std::regex_constants::icase); - - static const std::regex re_content_disposition( - "^Content-Disposition:\\s*form-data;\\s*name=\"(.*?)\"(?:;\\s*filename=" - "\"(.*?)\")?\\s*$", - std::regex_constants::icase); - static const std::string dash_ = "--"; - static const std::string crlf_ = "\r\n"; - - buf_.append(buf, n); // TODO: performance improvement - - while (!buf_.empty()) { - switch (state_) { - case 0: { // Initial boundary - auto pattern = dash_ + boundary_ + crlf_; - if (pattern.size() > buf_.size()) { return true; } - auto pos = buf_.find(pattern); - if (pos != 0) { - is_done_ = true; - return false; - } - buf_.erase(0, pattern.size()); - off_ += pattern.size(); - state_ = 1; - break; - } - case 1: { // New entry - clear_file_info(); - state_ = 2; - break; - } - case 2: { // Headers - auto pos = buf_.find(crlf_); - while (pos != std::string::npos) { - // Empty line - if (pos == 0) { - if (!header_callback(file_)) { - is_valid_ = false; - is_done_ = false; - return false; - } - buf_.erase(0, crlf_.size()); - off_ += crlf_.size(); - state_ = 3; - break; - } - - auto header = buf_.substr(0, pos); - { - std::smatch m; - if (std::regex_match(header, m, re_content_type)) { - file_.content_type = m[1]; - } else if (std::regex_match(header, m, re_content_disposition)) { - file_.name = m[1]; - file_.filename = m[2]; - } - } - - buf_.erase(0, pos + crlf_.size()); - off_ += pos + crlf_.size(); - pos = buf_.find(crlf_); - } - break; - } - case 3: { // Body - { - auto pattern = crlf_ + dash_; - if (pattern.size() > buf_.size()) { return true; } - - auto pos = buf_.find(pattern); - if (pos == std::string::npos) { pos = buf_.size(); } - if (!content_callback(buf_.data(), pos)) { - is_valid_ = false; - is_done_ = false; - return false; - } - - off_ += pos; - buf_.erase(0, pos); - } - - { - auto pattern = crlf_ + dash_ + boundary_; - if (pattern.size() > buf_.size()) { return true; } - - auto pos = buf_.find(pattern); - if (pos != std::string::npos) { - if (!content_callback(buf_.data(), pos)) { - is_valid_ = false; - is_done_ = false; - return false; - } - - off_ += pos + pattern.size(); - buf_.erase(0, pos + pattern.size()); - state_ = 4; - } else { - if (!content_callback(buf_.data(), pattern.size())) { - is_valid_ = false; - is_done_ = false; - return false; - } - - off_ += pattern.size(); - buf_.erase(0, pattern.size()); - } - } - break; - } - case 4: { // Boundary - if (crlf_.size() > buf_.size()) { return true; } - if (buf_.find(crlf_) == 0) { - buf_.erase(0, crlf_.size()); - off_ += crlf_.size(); - state_ = 1; - } else { - auto pattern = dash_ + crlf_; - if (pattern.size() > buf_.size()) { return true; } - if (buf_.find(pattern) == 0) { - buf_.erase(0, pattern.size()); - off_ += pattern.size(); - is_valid_ = true; - state_ = 5; - } else { - is_done_ = true; - return true; - } - } - break; - } - case 5: { // Done - is_valid_ = false; - return false; - } - } - } - - return true; - } - -private: - void clear_file_info() { - file_.name.clear(); - file_.filename.clear(); - file_.content_type.clear(); - } - - std::string boundary_; - - std::string buf_; - size_t state_ = 0; - size_t is_valid_ = false; - size_t is_done_ = false; - size_t off_ = 0; - MultipartFormData file_; -}; - -inline std::string to_lower(const char *beg, const char *end) { - std::string out; - auto it = beg; - while (it != end) { - out += static_cast(::tolower(*it)); - it++; - } - return out; -} - -inline std::string make_multipart_data_boundary() { - static const char data[] = - "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - - std::random_device seed_gen; - std::mt19937 engine(seed_gen()); - - std::string result = "--cpp-httplib-multipart-data-"; - - for (auto i = 0; i < 16; i++) { - result += data[engine() % (sizeof(data) - 1)]; - } - - return result; -} - -inline std::pair -get_range_offset_and_length(const Request &req, size_t content_length, - size_t index) { - auto r = req.ranges[index]; - - if (r.first == -1 && r.second == -1) { - return std::make_pair(0, content_length); - } - - auto slen = static_cast(content_length); - - if (r.first == -1) { - r.first = slen - r.second; - r.second = slen - 1; - } - - if (r.second == -1) { r.second = slen - 1; } - - return std::make_pair(r.first, r.second - r.first + 1); -} - -inline std::string make_content_range_header_field(size_t offset, size_t length, - size_t content_length) { - std::string field = "bytes "; - field += std::to_string(offset); - field += "-"; - field += std::to_string(offset + length - 1); - field += "/"; - field += std::to_string(content_length); - return field; -} - -template -bool process_multipart_ranges_data(const Request &req, Response &res, - const std::string &boundary, - const std::string &content_type, - SToken stoken, CToken ctoken, - Content content) { - for (size_t i = 0; i < req.ranges.size(); i++) { - ctoken("--"); - stoken(boundary); - ctoken("\r\n"); - if (!content_type.empty()) { - ctoken("Content-Type: "); - stoken(content_type); - ctoken("\r\n"); - } - - auto offsets = get_range_offset_and_length(req, res.body.size(), i); - auto offset = offsets.first; - auto length = offsets.second; - - ctoken("Content-Range: "); - stoken(make_content_range_header_field(offset, length, res.body.size())); - ctoken("\r\n"); - ctoken("\r\n"); - if (!content(offset, length)) { return false; } - ctoken("\r\n"); - } - - ctoken("--"); - stoken(boundary); - ctoken("--\r\n"); - - return true; -} - -inline std::string make_multipart_ranges_data(const Request &req, Response &res, - const std::string &boundary, - const std::string &content_type) { - std::string data; - - process_multipart_ranges_data( - req, res, boundary, content_type, - [&](const std::string &token) { data += token; }, - [&](const char *token) { data += token; }, - [&](size_t offset, size_t length) { - data += res.body.substr(offset, length); - return true; - }); - - return data; -} - -inline size_t -get_multipart_ranges_data_length(const Request &req, Response &res, - const std::string &boundary, - const std::string &content_type) { - size_t data_length = 0; - - process_multipart_ranges_data( - req, res, boundary, content_type, - [&](const std::string &token) { data_length += token.size(); }, - [&](const char *token) { data_length += strlen(token); }, - [&](size_t /*offset*/, size_t length) { - data_length += length; - return true; - }); - - return data_length; -} - -inline bool write_multipart_ranges_data(Stream &strm, const Request &req, - Response &res, - const std::string &boundary, - const std::string &content_type) { - return process_multipart_ranges_data( - req, res, boundary, content_type, - [&](const std::string &token) { strm.write(token); }, - [&](const char *token) { strm.write(token); }, - [&](size_t offset, size_t length) { - return write_content(strm, res.content_provider, offset, length) >= 0; - }); -} - -inline std::pair -get_range_offset_and_length(const Request &req, const Response &res, - size_t index) { - auto r = req.ranges[index]; - - if (r.second == -1) { - r.second = static_cast(res.content_length) - 1; - } - - return std::make_pair(r.first, r.second - r.first + 1); -} - -inline bool expect_content(const Request &req) { - if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || - req.method == "PRI") { - return true; - } - // TODO: check if Content-Length is set - return false; -} - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -template -inline std::string message_digest(const std::string &s, Init init, - Update update, Final final, - size_t digest_length) { - using namespace std; - - std::vector md(digest_length, 0); - CTX ctx; - init(&ctx); - update(&ctx, s.data(), s.size()); - final(md.data(), &ctx); - - stringstream ss; - for (auto c : md) { - ss << setfill('0') << setw(2) << hex << (unsigned int)c; - } - return ss.str(); -} - -inline std::string MD5(const std::string &s) { - return message_digest(s, MD5_Init, MD5_Update, MD5_Final, - MD5_DIGEST_LENGTH); -} - -inline std::string SHA_256(const std::string &s) { - return message_digest(s, SHA256_Init, SHA256_Update, SHA256_Final, - SHA256_DIGEST_LENGTH); -} - -inline std::string SHA_512(const std::string &s) { - return message_digest(s, SHA512_Init, SHA512_Update, SHA512_Final, - SHA512_DIGEST_LENGTH); -} -#endif - -#ifdef _WIN32 -class WSInit { -public: - WSInit() { - WSADATA wsaData; - WSAStartup(0x0002, &wsaData); - } - - ~WSInit() { WSACleanup(); } -}; - -static WSInit wsinit_; -#endif - -} // namespace detail - -// Header utilities -inline std::pair make_range_header(Ranges ranges) { - std::string field = "bytes="; - auto i = 0; - for (auto r : ranges) { - if (i != 0) { field += ", "; } - if (r.first != -1) { field += std::to_string(r.first); } - field += '-'; - if (r.second != -1) { field += std::to_string(r.second); } - i++; - } - return std::make_pair("Range", field); -} - -inline std::pair -make_basic_authentication_header(const std::string &username, - const std::string &password, - bool is_proxy = false) { - auto field = "Basic " + detail::base64_encode(username + ":" + password); - auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; - return std::make_pair(key, field); -} - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline std::pair make_digest_authentication_header( - const Request &req, const std::map &auth, - size_t cnonce_count, const std::string &cnonce, const std::string &username, - const std::string &password, bool is_proxy = false) { - using namespace std; - - string nc; - { - stringstream ss; - ss << setfill('0') << setw(8) << hex << cnonce_count; - nc = ss.str(); - } - - auto qop = auth.at("qop"); - if (qop.find("auth-int") != std::string::npos) { - qop = "auth-int"; - } else { - qop = "auth"; - } - - std::string algo = "MD5"; - if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); } - - string response; - { - auto H = algo == "SHA-256" - ? detail::SHA_256 - : algo == "SHA-512" ? detail::SHA_512 : detail::MD5; - - auto A1 = username + ":" + auth.at("realm") + ":" + password; - - auto A2 = req.method + ":" + req.path; - if (qop == "auth-int") { A2 += ":" + H(req.body); } - - response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + - ":" + qop + ":" + H(A2)); - } - - auto field = "Digest username=\"hello\", realm=\"" + auth.at("realm") + - "\", nonce=\"" + auth.at("nonce") + "\", uri=\"" + req.path + - "\", algorithm=" + algo + ", qop=" + qop + ", nc=\"" + nc + - "\", cnonce=\"" + cnonce + "\", response=\"" + response + "\""; - - auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; - return std::make_pair(key, field); -} -#endif - -inline bool parse_www_authenticate(const httplib::Response &res, - std::map &auth, - bool is_proxy) { - auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate"; - if (res.has_header(auth_key)) { - static auto re = std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~"); - auto s = res.get_header_value(auth_key); - auto pos = s.find(' '); - if (pos != std::string::npos) { - auto type = s.substr(0, pos); - if (type == "Basic") { - return false; - } else if (type == "Digest") { - s = s.substr(pos + 1); - auto beg = std::sregex_iterator(s.begin(), s.end(), re); - for (auto i = beg; i != std::sregex_iterator(); ++i) { - auto m = *i; - auto key = s.substr(static_cast(m.position(1)), - static_cast(m.length(1))); - auto val = m.length(2) > 0 - ? s.substr(static_cast(m.position(2)), - static_cast(m.length(2))) - : s.substr(static_cast(m.position(3)), - static_cast(m.length(3))); - auth[key] = val; - } - return true; - } - } - } - return false; -} - -// https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c/440240#answer-440240 -inline std::string random_string(size_t length) { - auto randchar = []() -> char { - const char charset[] = "0123456789" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklmnopqrstuvwxyz"; - const size_t max_index = (sizeof(charset) - 1); - return charset[static_cast(rand()) % max_index]; - }; - std::string str(length, 0); - std::generate_n(str.begin(), length, randchar); - return str; -} - -// 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 static_cast(std::distance(r.first, r.second)); -} - -inline void Request::set_header(const char *key, const char *val) { - headers.emplace(key, val); -} - -inline void Request::set_header(const char *key, const std::string &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, static_cast(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 static_cast(std::distance(r.first, r.second)); -} - -inline bool Request::is_multipart_form_data() const { - const auto &content_type = get_header_value("Content-Type"); - return !content_type.find("multipart/form-data"); -} - -inline bool Request::has_file(const char *key) const { - return files.find(key) != files.end(); -} - -inline MultipartFormData Request::get_file_value(const char *key) const { - auto it = files.find(key); - if (it != files.end()) { return it->second; } - return MultipartFormData(); -} - -// 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 static_cast(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_header(const char *key, const std::string &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(std::string s, const char *content_type) { - body = std::move(s); - set_header("Content-Type", content_type); -} - -inline void Response::set_content_provider( - size_t in_length, - std::function provider, - std::function resource_releaser) { - assert(in_length > 0); - content_length = in_length; - content_provider = [provider](size_t offset, size_t length, DataSink &sink) { - provider(offset, length, sink); - }; - content_provider_resource_releaser = resource_releaser; -} - -inline void Response::set_chunked_content_provider( - std::function provider, - std::function resource_releaser) { - content_length = 0; - content_provider = [provider](size_t offset, size_t, DataSink &sink) { - provider(offset, sink); - }; - content_provider_resource_releaser = resource_releaser; -} - -// Rstream implementation -inline ssize_t Stream::write(const char *ptr) { - return write(ptr, strlen(ptr)); -} - -inline ssize_t Stream::write(const std::string &s) { - return write(s.data(), s.size()); -} - -template -inline ssize_t Stream::write_format(const char *fmt, const Args &... args) { - std::array buf; - -#if defined(_MSC_VER) && _MSC_VER < 1900 - auto sn = _snprintf_s(buf, bufsiz, buf.size() - 1, fmt, args...); -#else - auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); -#endif - if (sn <= 0) { return sn; } - - auto n = static_cast(sn); - - if (n >= buf.size() - 1) { - std::vector glowable_buf(buf.size()); - - while (n >= glowable_buf.size() - 1) { - glowable_buf.resize(glowable_buf.size() * 2); -#if defined(_MSC_VER) && _MSC_VER < 1900 - n = static_cast(_snprintf_s(&glowable_buf[0], glowable_buf.size(), - glowable_buf.size() - 1, fmt, - args...)); -#else - n = static_cast( - snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); -#endif - } - return write(&glowable_buf[0], n); - } else { - return write(buf.data(), n); - } -} - -namespace detail { - -// Socket stream implementation -inline SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec, - time_t read_timeout_usec) - : sock_(sock), read_timeout_sec_(read_timeout_sec), - read_timeout_usec_(read_timeout_usec) {} - -inline SocketStream::~SocketStream() {} - -inline bool SocketStream::is_readable() const { - return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; -} - -inline bool SocketStream::is_writable() const { - return detail::select_write(sock_, 0, 0) > 0; -} - -inline ssize_t SocketStream::read(char *ptr, size_t size) { - if (is_readable()) { return recv(sock_, ptr, size, 0); } - return -1; -} - -inline ssize_t SocketStream::write(const char *ptr, size_t size) { - if (is_writable()) { return send(sock_, ptr, size, 0); } - return -1; -} - -inline std::string SocketStream::get_remote_addr() const { - return detail::get_remote_addr(sock_); -} - -// Buffer stream implementation -inline bool BufferStream::is_readable() const { return true; } - -inline bool BufferStream::is_writable() const { return true; } - -inline ssize_t BufferStream::read(char *ptr, size_t size) { -#if defined(_MSC_VER) && _MSC_VER < 1900 - auto len_read = buffer._Copy_s(ptr, size, size, position); -#else - auto len_read = buffer.copy(ptr, size, position); -#endif - position += static_cast(len_read); - return static_cast(len_read); -} - -inline ssize_t BufferStream::write(const char *ptr, size_t size) { - buffer.append(ptr, size); - return static_cast(size); -} - -inline std::string BufferStream::get_remote_addr() const { return ""; } - -inline const std::string &BufferStream::get_buffer() const { return buffer; } - -} // namespace detail - -// HTTP server implementation -inline Server::Server() - : keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), - read_timeout_sec_(CPPHTTPLIB_READ_TIMEOUT_SECOND), - read_timeout_usec_(CPPHTTPLIB_READ_TIMEOUT_USECOND), - payload_max_length_(CPPHTTPLIB_PAYLOAD_MAX_LENGTH), is_running_(false), - svr_sock_(INVALID_SOCKET) { -#ifndef _WIN32 - signal(SIGPIPE, SIG_IGN); -#endif - new_task_queue = [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }; -} - -inline Server::~Server() {} - -inline Server &Server::Get(const char *pattern, Handler handler) { - get_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Post(const char *pattern, Handler handler) { - post_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Post(const char *pattern, - HandlerWithContentReader handler) { - post_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Put(const char *pattern, Handler handler) { - put_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Put(const char *pattern, - HandlerWithContentReader handler) { - put_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Patch(const char *pattern, Handler handler) { - patch_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Patch(const char *pattern, - HandlerWithContentReader handler) { - patch_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Delete(const char *pattern, Handler handler) { - delete_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline Server &Server::Options(const char *pattern, Handler handler) { - options_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); - return *this; -} - -inline bool Server::set_base_dir(const char *dir, const char *mount_point) { - return set_mount_point(mount_point, dir); -} - -inline bool Server::set_mount_point(const char *mount_point, const char *dir) { - if (detail::is_dir(dir)) { - std::string mnt = mount_point ? mount_point : "/"; - if (!mnt.empty() && mnt[0] == '/') { - base_dirs_.emplace_back(mnt, dir); - return true; - } - } - return false; -} - -inline bool Server::remove_mount_point(const char *mount_point) { - for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { - if (it->first == mount_point) { - base_dirs_.erase(it); - return true; - } - } - return false; -} - -inline void Server::set_file_extension_and_mimetype_mapping(const char *ext, - const char *mime) { - file_extension_and_mimetype_map_[ext] = mime; -} - -inline void Server::set_file_request_handler(Handler handler) { - file_request_handler_ = std::move(handler); -} - -inline void Server::set_error_handler(Handler handler) { - error_handler_ = std::move(handler); -} - -inline void Server::set_logger(Logger logger) { logger_ = std::move(logger); } - -inline void -Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) { - expect_100_continue_handler_ = std::move(handler); -} - -inline void Server::set_keep_alive_max_count(size_t count) { - keep_alive_max_count_ = count; -} - -inline void Server::set_read_timeout(time_t sec, time_t usec) { - read_timeout_sec_ = sec; - read_timeout_usec_ = usec; -} - -inline void Server::set_payload_max_length(size_t length) { - payload_max_length_ = length; -} - -inline bool Server::bind_to_port(const char *host, int port, int socket_flags) { - if (bind_internal(host, port, socket_flags) < 0) return false; - return true; -} -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) { - return bind_to_port(host, port, socket_flags) && listen_internal(); -} - -inline bool Server::is_running() const { return is_running_; } - -inline void Server::stop() { - if (is_running_) { - assert(svr_sock_ != INVALID_SOCKET); - std::atomic sock(svr_sock_.exchange(INVALID_SOCKET)); - detail::shutdown_socket(sock); - detail::close_socket(sock); - } -} - -inline bool Server::parse_request_line(const char *s, Request &req) { - const static std::regex re( - "(GET|HEAD|POST|PUT|DELETE|CONNECT|OPTIONS|TRACE|PATCH|PRI) " - "(([^?]+)(?:\\?(.*?))?) (HTTP/1\\.[01])\r\n"); - - std::cmatch m; - if (std::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], false); - - // 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 bool 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); } - - detail::BufferStream bstrm; - - // Response line - if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, - detail::status_message(res.status))) { - return false; - } - - // 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.has_header("Content-Type") && - (!res.body.empty() || res.content_length > 0)) { - res.set_header("Content-Type", "text/plain"); - } - - if (!res.has_header("Accept-Ranges") && req.method == "HEAD") { - res.set_header("Accept-Ranges", "bytes"); - } - - std::string content_type; - std::string boundary; - - if (req.ranges.size() > 1) { - boundary = detail::make_multipart_data_boundary(); - - auto it = res.headers.find("Content-Type"); - if (it != res.headers.end()) { - content_type = it->second; - res.headers.erase(it); - } - - res.headers.emplace("Content-Type", - "multipart/byteranges; boundary=" + boundary); - } - - if (res.body.empty()) { - if (res.content_length > 0) { - size_t length = 0; - if (req.ranges.empty()) { - length = res.content_length; - } else if (req.ranges.size() == 1) { - auto offsets = - detail::get_range_offset_and_length(req, res.content_length, 0); - auto offset = offsets.first; - length = offsets.second; - auto content_range = detail::make_content_range_header_field( - offset, length, res.content_length); - res.set_header("Content-Range", content_range); - } else { - length = detail::get_multipart_ranges_data_length(req, res, boundary, - content_type); - } - res.set_header("Content-Length", std::to_string(length)); - } else { - if (res.content_provider) { - res.set_header("Transfer-Encoding", "chunked"); - } else { - res.set_header("Content-Length", "0"); - } - } - } else { - if (req.ranges.empty()) { - ; - } else if (req.ranges.size() == 1) { - auto offsets = - detail::get_range_offset_and_length(req, res.body.size(), 0); - auto offset = offsets.first; - auto length = offsets.second; - auto content_range = detail::make_content_range_header_field( - offset, length, res.body.size()); - res.set_header("Content-Range", content_range); - res.body = res.body.substr(offset, length); - } else { - res.body = - detail::make_multipart_ranges_data(req, res, boundary, content_type); - } - -#ifdef CPPHTTPLIB_ZLIB_SUPPORT - // TODO: 'Accept-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"))) { - if (detail::compress(res.body)) { - res.set_header("Content-Encoding", "gzip"); - } - } -#endif - - auto length = std::to_string(res.body.size()); - res.set_header("Content-Length", length); - } - - if (!detail::write_headers(bstrm, res, Headers())) { return false; } - - // Flush buffer - auto &data = bstrm.get_buffer(); - strm.write(data.data(), data.size()); - - // Body - if (req.method != "HEAD") { - if (!res.body.empty()) { - if (!strm.write(res.body)) { return false; } - } else if (res.content_provider) { - if (!write_content_with_provider(strm, req, res, boundary, - content_type)) { - return false; - } - } - } - - // Log - if (logger_) { logger_(req, res); } - - return true; -} - -inline bool -Server::write_content_with_provider(Stream &strm, const Request &req, - Response &res, const std::string &boundary, - const std::string &content_type) { - if (res.content_length) { - if (req.ranges.empty()) { - if (detail::write_content(strm, res.content_provider, 0, - res.content_length) < 0) { - return false; - } - } else if (req.ranges.size() == 1) { - auto offsets = - detail::get_range_offset_and_length(req, res.content_length, 0); - auto offset = offsets.first; - auto length = offsets.second; - if (detail::write_content(strm, res.content_provider, offset, length) < - 0) { - return false; - } - } else { - if (!detail::write_multipart_ranges_data(strm, req, res, boundary, - content_type)) { - return false; - } - } - } else { - auto is_shutting_down = [this]() { - return this->svr_sock_ == INVALID_SOCKET; - }; - if (detail::write_content_chunked(strm, res.content_provider, - is_shutting_down) < 0) { - return false; - } - } - return true; -} - -inline bool Server::read_content(Stream &strm, Request &req, Response &res) { - MultipartFormDataMap::iterator cur; - if (read_content_core( - strm, req, res, - // Regular - [&](const char *buf, size_t n) { - if (req.body.size() + n > req.body.max_size()) { return false; } - req.body.append(buf, n); - return true; - }, - // Multipart - [&](const MultipartFormData &file) { - cur = req.files.emplace(file.name, file); - return true; - }, - [&](const char *buf, size_t n) { - auto &content = cur->second.content; - if (content.size() + n > content.max_size()) { return false; } - content.append(buf, n); - return true; - })) { - const auto &content_type = req.get_header_value("Content-Type"); - if (!content_type.find("application/x-www-form-urlencoded")) { - detail::parse_query_text(req.body, req.params); - } - return true; - } - return false; -} - -inline bool Server::read_content_with_content_receiver( - Stream &strm, Request &req, Response &res, ContentReceiver receiver, - MultipartContentHeader multipart_header, - ContentReceiver multipart_receiver) { - return read_content_core(strm, req, res, receiver, multipart_header, - multipart_receiver); -} - -inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, - ContentReceiver receiver, - MultipartContentHeader mulitpart_header, - ContentReceiver multipart_receiver) { - detail::MultipartFormDataParser multipart_form_data_parser; - ContentReceiver out; - - if (req.is_multipart_form_data()) { - const auto &content_type = req.get_header_value("Content-Type"); - std::string boundary; - if (!detail::parse_multipart_boundary(content_type, boundary)) { - res.status = 400; - return false; - } - - multipart_form_data_parser.set_boundary(std::move(boundary)); - out = [&](const char *buf, size_t n) { - return multipart_form_data_parser.parse(buf, n, multipart_receiver, - mulitpart_header); - }; - } else { - out = receiver; - } - - if (!detail::read_content(strm, req, payload_max_length_, res.status, - Progress(), out)) { - return false; - } - - if (req.is_multipart_form_data()) { - if (!multipart_form_data_parser.is_valid()) { - res.status = 400; - return false; - } - } - - return true; -} - -inline bool Server::handle_file_request(Request &req, Response &res, - bool head) { - for (const auto &kv : base_dirs_) { - const auto &mount_point = kv.first; - const auto &base_dir = kv.second; - - // Prefix match - if (!req.path.find(mount_point)) { - std::string sub_path = "/" + req.path.substr(mount_point.size()); - if (detail::is_valid_path(sub_path)) { - auto path = base_dir + sub_path; - if (path.back() == '/') { path += "index.html"; } - - if (detail::is_file(path)) { - detail::read_file(path, res.body); - auto type = - detail::find_content_type(path, file_extension_and_mimetype_map_); - if (type) { res.set_header("Content-Type", type); } - res.status = 200; - if (!head && file_request_handler_) { - file_request_handler_(req, res); - } - 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(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(&address), - &len) == -1) { - return -1; - } - if (address.ss_family == AF_INET) { - return ntohs(reinterpret_cast(&address)->sin_port); - } else if (address.ss_family == AF_INET6) { - return ntohs( - reinterpret_cast(&address)->sin6_port); - } else { - return -1; - } - } else { - return port; - } -} - -inline bool Server::listen_internal() { - auto ret = true; - is_running_ = true; - - { - std::unique_ptr task_queue(new_task_queue()); - - for (;;) { - if (svr_sock_ == INVALID_SOCKET) { - // The server socket was closed by 'stop' method. - break; - } - - auto val = detail::select_read(svr_sock_, 0, 100000); - - if (val == 0) { // Timeout - continue; - } - - socket_t sock = accept(svr_sock_, nullptr, nullptr); - - if (sock == INVALID_SOCKET) { - if (errno == EMFILE) { - // The per-process limit of open file descriptors has been reached. - // Try to accept new connections after a short sleep. - std::this_thread::sleep_for(std::chrono::milliseconds(1)); - continue; - } - if (svr_sock_ != INVALID_SOCKET) { - detail::close_socket(svr_sock_); - ret = false; - } else { - ; // The server socket was closed by user. - } - break; - } - -#if __cplusplus > 201703L - task_queue->enqueue([=, this]() { process_and_close_socket(sock); }); -#else - task_queue->enqueue([=]() { process_and_close_socket(sock); }); -#endif - } - - task_queue->shutdown(); - } - - is_running_ = false; - return ret; -} - -inline bool Server::routing(Request &req, Response &res, Stream &strm) { - // File handler - bool is_head_request = req.method == "HEAD"; - if ((req.method == "GET" || is_head_request) && - handle_file_request(req, res, is_head_request)) { - return true; - } - - if (detail::expect_content(req)) { - // Content reader handler - { - ContentReader reader( - [&](ContentReceiver receiver) { - return read_content_with_content_receiver(strm, req, res, receiver, - nullptr, nullptr); - }, - [&](MultipartContentHeader header, ContentReceiver receiver) { - return read_content_with_content_receiver(strm, req, res, nullptr, - header, receiver); - }); - - if (req.method == "POST") { - if (dispatch_request_for_content_reader( - req, res, reader, post_handlers_for_content_reader_)) { - return true; - } - } else if (req.method == "PUT") { - if (dispatch_request_for_content_reader( - req, res, reader, put_handlers_for_content_reader_)) { - return true; - } - } else if (req.method == "PATCH") { - if (dispatch_request_for_content_reader( - req, res, reader, patch_handlers_for_content_reader_)) { - return true; - } - } - } - - // Read content into `req.body` - if (!read_content(strm, req, res)) { return false; } - } - - // Regular handler - 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 == "DELETE") { - return dispatch_request(req, res, delete_handlers_); - } else if (req.method == "OPTIONS") { - return dispatch_request(req, res, options_handlers_); - } else if (req.method == "PATCH") { - return dispatch_request(req, res, patch_handlers_); - } - - res.status = 400; - return false; -} - -inline bool Server::dispatch_request(Request &req, Response &res, - Handlers &handlers) { - - try { - for (const auto &x : handlers) { - const auto &pattern = x.first; - const auto &handler = x.second; - - if (std::regex_match(req.path, req.matches, pattern)) { - handler(req, res); - return true; - } - } - } catch (const std::exception &ex) { - res.status = 500; - res.set_header("EXCEPTION_WHAT", ex.what()); - } catch (...) { - res.status = 500; - res.set_header("EXCEPTION_WHAT", "UNKNOWN"); - } - return false; -} - -inline bool Server::dispatch_request_for_content_reader( - Request &req, Response &res, ContentReader content_reader, - HandlersForContentReader &handlers) { - for (const auto &x : handlers) { - const auto &pattern = x.first; - const auto &handler = x.second; - - if (std::regex_match(req.path, req.matches, pattern)) { - handler(req, res, content_reader); - return true; - } - } - return false; -} - -inline bool -Server::process_request(Stream &strm, bool last_connection, - bool &connection_close, - const std::function &setup_request) { - std::array buf{}; - - detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); - - // Connection has been closed on client - if (!line_reader.getline()) { return false; } - - Request req; - Response res; - - res.version = "HTTP/1.1"; - - // Check if the request URI doesn't exceed the limit - if (line_reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) { - Headers dummy; - detail::read_headers(strm, dummy); - res.status = 414; - return write_response(strm, last_connection, req, res); - } - - // Request line and headers - if (!parse_request_line(line_reader.ptr(), req) || - !detail::read_headers(strm, req.headers)) { - res.status = 400; - return write_response(strm, last_connection, req, res); - } - - if (req.get_header_value("Connection") == "close") { - connection_close = true; - } - - if (req.version == "HTTP/1.0" && - req.get_header_value("Connection") != "Keep-Alive") { - connection_close = true; - } - - req.set_header("REMOTE_ADDR", strm.get_remote_addr()); - - if (req.has_header("Range")) { - const auto &range_header_value = req.get_header_value("Range"); - if (!detail::parse_range_header(range_header_value, req.ranges)) { - // TODO: error - } - } - - if (setup_request) { setup_request(req); } - - if (req.get_header_value("Expect") == "100-continue") { - auto status = 100; - if (expect_100_continue_handler_) { - status = expect_100_continue_handler_(req, res); - } - switch (status) { - case 100: - case 417: - strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, - detail::status_message(status)); - break; - default: return write_response(strm, last_connection, req, res); - } - } - - // Rounting - if (routing(req, res, strm)) { - if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; } - } else { - if (res.status == -1) { res.status = 404; } - } - - return write_response(strm, last_connection, req, res); -} - -inline bool Server::is_valid() const { return true; } - -inline bool Server::process_and_close_socket(socket_t sock) { - return detail::process_and_close_socket( - false, sock, keep_alive_max_count_, read_timeout_sec_, read_timeout_usec_, - [this](Stream &strm, bool last_connection, bool &connection_close) { - return process_request(strm, last_connection, connection_close, - nullptr); - }); -} - -// HTTP client implementation -inline Client::Client(const std::string &host, int port, - const std::string &client_cert_path, - const std::string &client_key_path) - : host_(host), port_(port), - host_and_port_(host_ + ":" + std::to_string(port_)), - client_cert_path_(client_cert_path), client_key_path_(client_key_path) {} - -inline Client::~Client() {} - -inline bool Client::is_valid() const { return true; } - -inline socket_t Client::create_client_socket() const { - if (!proxy_host_.empty()) { - return detail::create_client_socket(proxy_host_.c_str(), proxy_port_, - timeout_sec_, interface_); - } - return detail::create_client_socket(host_.c_str(), port_, timeout_sec_, - interface_); -} - -inline bool Client::read_response_line(Stream &strm, Response &res) { - std::array buf; - - detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); - - if (!line_reader.getline()) { return false; } - - const static std::regex re("(HTTP/1\\.[01]) (\\d+?) .*\r\n"); - - std::cmatch m; - if (std::regex_match(line_reader.ptr(), m, re)) { - res.version = std::string(m[1]); - res.status = std::stoi(std::string(m[2])); - } - - return true; -} - -inline bool Client::send(const Request &req, Response &res) { - auto sock = create_client_socket(); - if (sock == INVALID_SOCKET) { return false; } - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - if (is_ssl() && !proxy_host_.empty()) { - bool error; - if (!connect(sock, res, error)) { return error; } - } -#endif - - return process_and_close_socket( - sock, 1, [&](Stream &strm, bool last_connection, bool &connection_close) { - return handle_request(strm, req, res, last_connection, - connection_close); - }); -} - -inline bool Client::send(const std::vector &requests, - std::vector &responses) { - size_t i = 0; - while (i < requests.size()) { - auto sock = create_client_socket(); - if (sock == INVALID_SOCKET) { return false; } - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - if (is_ssl() && !proxy_host_.empty()) { - Response res; - bool error; - if (!connect(sock, res, error)) { return false; } - } -#endif - - if (!process_and_close_socket(sock, requests.size() - i, - [&](Stream &strm, bool last_connection, - bool &connection_close) -> bool { - auto &req = requests[i++]; - auto res = Response(); - auto ret = handle_request(strm, req, res, - last_connection, - connection_close); - if (ret) { - responses.emplace_back(std::move(res)); - } - return ret; - })) { - return false; - } - } - - return true; -} - -inline bool Client::handle_request(Stream &strm, const Request &req, - Response &res, bool last_connection, - bool &connection_close) { - if (req.path.empty()) { return false; } - - bool ret; - - if (!is_ssl() && !proxy_host_.empty()) { - auto req2 = req; - req2.path = "http://" + host_and_port_ + req.path; - ret = process_request(strm, req2, res, last_connection, connection_close); - } else { - ret = process_request(strm, req, res, last_connection, connection_close); - } - - if (!ret) { return false; } - - if (300 < res.status && res.status < 400 && follow_location_) { - ret = redirect(req, res); - } - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - if (res.status == 401 || res.status == 407) { - auto is_proxy = res.status == 407; - const auto &username = - is_proxy ? proxy_digest_auth_username_ : digest_auth_username_; - const auto &password = - is_proxy ? proxy_digest_auth_password_ : digest_auth_password_; - - if (!username.empty() && !password.empty()) { - std::map auth; - if (parse_www_authenticate(res, auth, is_proxy)) { - Request new_req = req; - auto key = is_proxy ? "Proxy-Authorization" : "WWW-Authorization"; - new_req.headers.erase(key); - new_req.headers.insert(make_digest_authentication_header( - req, auth, 1, random_string(10), username, password, is_proxy)); - - Response new_res; - - ret = send(new_req, new_res); - if (ret) { res = new_res; } - } - } - } -#endif - - return ret; -} - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline bool Client::connect(socket_t sock, Response &res, bool &error) { - error = true; - Response res2; - - if (!detail::process_socket( - true, sock, 1, read_timeout_sec_, read_timeout_usec_, - [&](Stream &strm, bool /*last_connection*/, bool &connection_close) { - Request req2; - req2.method = "CONNECT"; - req2.path = host_and_port_; - return process_request(strm, req2, res2, false, connection_close); - })) { - detail::close_socket(sock); - error = false; - return false; - } - - if (res2.status == 407) { - if (!proxy_digest_auth_username_.empty() && - !proxy_digest_auth_password_.empty()) { - std::map auth; - if (parse_www_authenticate(res2, auth, true)) { - Response res3; - if (!detail::process_socket( - true, sock, 1, read_timeout_sec_, read_timeout_usec_, - [&](Stream &strm, bool /*last_connection*/, - bool &connection_close) { - Request req3; - req3.method = "CONNECT"; - req3.path = host_and_port_; - req3.headers.insert(make_digest_authentication_header( - req3, auth, 1, random_string(10), - proxy_digest_auth_username_, proxy_digest_auth_password_, - true)); - return process_request(strm, req3, res3, false, - connection_close); - })) { - detail::close_socket(sock); - error = false; - return false; - } - } - } else { - res = res2; - return false; - } - } - - return true; -} -#endif - -inline bool Client::redirect(const Request &req, Response &res) { - if (req.redirect_count == 0) { return false; } - - auto location = res.get_header_value("location"); - if (location.empty()) { return false; } - - const static std::regex re( - R"(^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*(?:\?[^#]*)?)(?:#.*)?)"); - - std::smatch m; - if (!regex_match(location, m, re)) { return false; } - - auto scheme = is_ssl() ? "https" : "http"; - - auto next_scheme = m[1].str(); - auto next_host = m[2].str(); - auto next_path = m[3].str(); - if (next_scheme.empty()) { next_scheme = scheme; } - if (next_scheme.empty()) { next_scheme = scheme; } - if (next_host.empty()) { next_host = host_; } - if (next_path.empty()) { next_path = "/"; } - - if (next_scheme == scheme && next_host == host_) { - return detail::redirect(*this, req, res, next_path); - } else { - if (next_scheme == "https") { -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - SSLClient cli(next_host.c_str()); - cli.copy_settings(*this); - return detail::redirect(cli, req, res, next_path); -#else - return false; -#endif - } else { - Client cli(next_host.c_str()); - cli.copy_settings(*this); - return detail::redirect(cli, req, res, next_path); - } - } -} - -inline bool Client::write_request(Stream &strm, const Request &req, - bool last_connection) { - detail::BufferStream bstrm; - - // Request line - const auto &path = detail::encode_url(req.path); - - bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); - - // Additonal headers - Headers headers; - if (last_connection) { headers.emplace("Connection", "close"); } - - if (!req.has_header("Host")) { - if (is_ssl()) { - if (port_ == 443) { - headers.emplace("Host", host_); - } else { - headers.emplace("Host", host_and_port_); - } - } else { - if (port_ == 80) { - headers.emplace("Host", host_); - } else { - headers.emplace("Host", host_and_port_); - } - } - } - - if (!req.has_header("Accept")) { headers.emplace("Accept", "*/*"); } - - if (!req.has_header("User-Agent")) { - headers.emplace("User-Agent", "cpp-httplib/0.5"); - } - - if (req.body.empty()) { - if (req.content_provider) { - auto length = std::to_string(req.content_length); - headers.emplace("Content-Length", length); - } else { - headers.emplace("Content-Length", "0"); - } - } else { - if (!req.has_header("Content-Type")) { - headers.emplace("Content-Type", "text/plain"); - } - - if (!req.has_header("Content-Length")) { - auto length = std::to_string(req.body.size()); - headers.emplace("Content-Length", length); - } - } - - if (!basic_auth_username_.empty() && !basic_auth_password_.empty()) { - headers.insert(make_basic_authentication_header( - basic_auth_username_, basic_auth_password_, false)); - } - - if (!proxy_basic_auth_username_.empty() && - !proxy_basic_auth_password_.empty()) { - headers.insert(make_basic_authentication_header( - proxy_basic_auth_username_, proxy_basic_auth_password_, true)); - } - - detail::write_headers(bstrm, req, headers); - - // Flush buffer - auto &data = bstrm.get_buffer(); - strm.write(data.data(), data.size()); - - // Body - if (req.body.empty()) { - if (req.content_provider) { - size_t offset = 0; - size_t end_offset = req.content_length; - - DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { - auto written_length = strm.write(d, l); - offset += static_cast(written_length); - }; - data_sink.is_writable = [&](void) { return strm.is_writable(); }; - - while (offset < end_offset) { - req.content_provider(offset, end_offset - offset, data_sink); - } - } - } else { - strm.write(req.body); - } - - return true; -} - -inline std::shared_ptr Client::send_with_content_provider( - const char *method, const char *path, const Headers &headers, - const std::string &body, size_t content_length, - ContentProvider content_provider, const char *content_type) { - Request req; - req.method = method; - req.headers = headers; - req.path = path; - - req.headers.emplace("Content-Type", content_type); - -#ifdef CPPHTTPLIB_ZLIB_SUPPORT - if (compress_) { - if (content_provider) { - size_t offset = 0; - - DataSink data_sink; - data_sink.write = [&](const char *data, size_t data_len) { - req.body.append(data, data_len); - offset += data_len; - }; - data_sink.is_writable = [&](void) { return true; }; - - while (offset < content_length) { - content_provider(offset, content_length - offset, data_sink); - } - } else { - req.body = body; - } - - if (!detail::compress(req.body)) { return nullptr; } - req.headers.emplace("Content-Encoding", "gzip"); - } else -#endif - { - if (content_provider) { - req.content_length = content_length; - req.content_provider = content_provider; - } else { - req.body = body; - } - } - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; -} - -inline bool Client::process_request(Stream &strm, const Request &req, - Response &res, bool last_connection, - bool &connection_close) { - // Send request - if (!write_request(strm, req, last_connection)) { return false; } - - // 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; - } - - if (req.response_handler) { - if (!req.response_handler(res)) { return false; } - } - - // Body - if (req.method != "HEAD" && req.method != "CONNECT") { - ContentReceiver out = [&](const char *buf, size_t n) { - if (res.body.size() + n > res.body.max_size()) { return false; } - res.body.append(buf, n); - return true; - }; - - if (req.content_receiver) { - out = [&](const char *buf, size_t n) { - return req.content_receiver(buf, n); - }; - } - - int dummy_status; - if (!detail::read_content(strm, res, (std::numeric_limits::max)(), - dummy_status, req.progress, out)) { - return false; - } - } - - // Log - if (logger_) { logger_(req, res); } - - return true; -} - -inline bool Client::process_and_close_socket( - socket_t sock, size_t request_count, - std::function - callback) { - request_count = (std::min)(request_count, keep_alive_max_count_); - return detail::process_and_close_socket(true, sock, request_count, - read_timeout_sec_, read_timeout_usec_, - callback); -} - -inline bool Client::is_ssl() const { return false; } - -inline std::shared_ptr Client::Get(const char *path) { - return Get(path, Headers(), Progress()); -} - -inline std::shared_ptr Client::Get(const char *path, - Progress progress) { - return Get(path, Headers(), std::move(progress)); -} - -inline std::shared_ptr Client::Get(const char *path, - const Headers &headers) { - return Get(path, headers, Progress()); -} - -inline std::shared_ptr -Client::Get(const char *path, const Headers &headers, Progress progress) { - Request req; - req.method = "GET"; - req.path = path; - req.headers = headers; - req.progress = std::move(progress); - - auto res = std::make_shared(); - return send(req, *res) ? res : nullptr; -} - -inline std::shared_ptr Client::Get(const char *path, - ContentReceiver content_receiver) { - return Get(path, Headers(), nullptr, std::move(content_receiver), Progress()); -} - -inline std::shared_ptr Client::Get(const char *path, - ContentReceiver content_receiver, - Progress progress) { - return Get(path, Headers(), nullptr, std::move(content_receiver), - std::move(progress)); -} - -inline std::shared_ptr Client::Get(const char *path, - const Headers &headers, - ContentReceiver content_receiver) { - return Get(path, headers, nullptr, std::move(content_receiver), Progress()); -} - -inline std::shared_ptr Client::Get(const char *path, - const Headers &headers, - ContentReceiver content_receiver, - Progress progress) { - return Get(path, headers, nullptr, std::move(content_receiver), - std::move(progress)); -} - -inline std::shared_ptr Client::Get(const char *path, - const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver) { - return Get(path, headers, std::move(response_handler), content_receiver, - Progress()); -} - -inline std::shared_ptr Client::Get(const char *path, - const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver, - Progress progress) { - Request req; - req.method = "GET"; - req.path = path; - req.headers = headers; - req.response_handler = std::move(response_handler); - req.content_receiver = std::move(content_receiver); - req.progress = std::move(progress); - - auto res = std::make_shared(); - return send(req, *res) ? res : nullptr; -} - -inline std::shared_ptr Client::Head(const char *path) { - return Head(path, Headers()); -} - -inline std::shared_ptr Client::Head(const char *path, - const Headers &headers) { - Request req; - req.method = "HEAD"; - req.headers = headers; - req.path = path; - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; -} - -inline std::shared_ptr Client::Post(const char *path, - const std::string &body, - const char *content_type) { - return Post(path, Headers(), body, content_type); -} - -inline std::shared_ptr Client::Post(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - return send_with_content_provider("POST", path, headers, body, 0, nullptr, - content_type); -} - -inline std::shared_ptr Client::Post(const char *path, - const Params ¶ms) { - return Post(path, Headers(), params); -} - -inline std::shared_ptr Client::Post(const char *path, - size_t content_length, - ContentProvider content_provider, - const char *content_type) { - return Post(path, Headers(), content_length, content_provider, content_type); -} - -inline std::shared_ptr -Client::Post(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type) { - return send_with_content_provider("POST", path, headers, std::string(), - content_length, content_provider, - content_type); -} - -inline std::shared_ptr -Client::Post(const char *path, const Headers &headers, const Params ¶ms) { - auto query = detail::params_to_query_str(params); - return Post(path, headers, query, "application/x-www-form-urlencoded"); -} - -inline std::shared_ptr -Client::Post(const char *path, const MultipartFormDataItems &items) { - return Post(path, Headers(), items); -} - -inline std::shared_ptr -Client::Post(const char *path, const Headers &headers, - const MultipartFormDataItems &items) { - auto boundary = detail::make_multipart_data_boundary(); - - std::string body; - - for (const auto &item : items) { - body += "--" + boundary + "\r\n"; - body += "Content-Disposition: form-data; name=\"" + item.name + "\""; - if (!item.filename.empty()) { - body += "; filename=\"" + item.filename + "\""; - } - body += "\r\n"; - if (!item.content_type.empty()) { - body += "Content-Type: " + item.content_type + "\r\n"; - } - body += "\r\n"; - body += item.content + "\r\n"; - } - - body += "--" + boundary + "--\r\n"; - - std::string content_type = "multipart/form-data; boundary=" + boundary; - return Post(path, headers, body, content_type.c_str()); -} - -inline std::shared_ptr Client::Put(const char *path, - const std::string &body, - const char *content_type) { - return Put(path, Headers(), body, content_type); -} - -inline std::shared_ptr Client::Put(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - return send_with_content_provider("PUT", path, headers, body, 0, nullptr, - content_type); -} - -inline std::shared_ptr Client::Put(const char *path, - size_t content_length, - ContentProvider content_provider, - const char *content_type) { - return Put(path, Headers(), content_length, content_provider, content_type); -} - -inline std::shared_ptr -Client::Put(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type) { - return send_with_content_provider("PUT", path, headers, std::string(), - content_length, content_provider, - content_type); -} - -inline std::shared_ptr Client::Put(const char *path, - const Params ¶ms) { - return Put(path, Headers(), params); -} - -inline std::shared_ptr -Client::Put(const char *path, const Headers &headers, const Params ¶ms) { - auto query = detail::params_to_query_str(params); - return Put(path, headers, query, "application/x-www-form-urlencoded"); -} - -inline std::shared_ptr Client::Patch(const char *path, - const std::string &body, - const char *content_type) { - return Patch(path, Headers(), body, content_type); -} - -inline std::shared_ptr Client::Patch(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - return send_with_content_provider("PATCH", path, headers, body, 0, nullptr, - content_type); -} - -inline std::shared_ptr Client::Patch(const char *path, - size_t content_length, - ContentProvider content_provider, - const char *content_type) { - return Patch(path, Headers(), content_length, content_provider, content_type); -} - -inline std::shared_ptr -Client::Patch(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type) { - return send_with_content_provider("PATCH", path, headers, std::string(), - content_length, content_provider, - content_type); -} - -inline std::shared_ptr Client::Delete(const char *path) { - return Delete(path, Headers(), std::string(), nullptr); -} - -inline std::shared_ptr Client::Delete(const char *path, - const std::string &body, - const char *content_type) { - return Delete(path, Headers(), body, content_type); -} - -inline std::shared_ptr Client::Delete(const char *path, - const Headers &headers) { - return Delete(path, headers, std::string(), nullptr); -} - -inline std::shared_ptr Client::Delete(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - Request req; - req.method = "DELETE"; - req.headers = headers; - req.path = path; - - if (content_type) { req.headers.emplace("Content-Type", content_type); } - req.body = body; - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; -} - -inline std::shared_ptr Client::Options(const char *path) { - return Options(path, Headers()); -} - -inline std::shared_ptr Client::Options(const char *path, - const Headers &headers) { - Request req; - req.method = "OPTIONS"; - req.path = path; - req.headers = headers; - - auto res = std::make_shared(); - - return send(req, *res) ? res : nullptr; -} - -inline void Client::set_timeout_sec(time_t timeout_sec) { - timeout_sec_ = timeout_sec; -} - -inline void Client::set_read_timeout(time_t sec, time_t usec) { - read_timeout_sec_ = sec; - read_timeout_usec_ = usec; -} - -inline void Client::set_keep_alive_max_count(size_t count) { - keep_alive_max_count_ = count; -} - -inline void Client::set_basic_auth(const char *username, const char *password) { - basic_auth_username_ = username; - basic_auth_password_ = password; -} - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_digest_auth(const char *username, - const char *password) { - digest_auth_username_ = username; - digest_auth_password_ = password; -} -#endif - -inline void Client::set_follow_location(bool on) { follow_location_ = on; } - -inline void Client::set_compress(bool on) { compress_ = on; } - -inline void Client::set_interface(const char *intf) { interface_ = intf; } - -inline void Client::set_proxy(const char *host, int port) { - proxy_host_ = host; - proxy_port_ = port; -} - -inline void Client::set_proxy_basic_auth(const char *username, - const char *password) { - proxy_basic_auth_username_ = username; - proxy_basic_auth_password_ = password; -} - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_proxy_digest_auth(const char *username, - const char *password) { - proxy_digest_auth_username_ = username; - proxy_digest_auth_password_ = password; -} -#endif - -inline void Client::set_logger(Logger logger) { logger_ = std::move(logger); } - -/* - * SSL Implementation - */ -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -namespace detail { - -template -inline bool process_and_close_socket_ssl( - bool is_client_request, socket_t sock, size_t keep_alive_max_count, - time_t read_timeout_sec, time_t read_timeout_usec, SSL_CTX *ctx, - std::mutex &ctx_mutex, U SSL_connect_or_accept, V setup, T callback) { - assert(keep_alive_max_count > 0); - - SSL *ssl = nullptr; - { - std::lock_guard guard(ctx_mutex); - ssl = SSL_new(ctx); - } - - if (!ssl) { - close_socket(sock); - return false; - } - - auto bio = BIO_new_socket(static_cast(sock), BIO_NOCLOSE); - SSL_set_bio(ssl, bio, bio); - - if (!setup(ssl)) { - SSL_shutdown(ssl); - { - std::lock_guard guard(ctx_mutex); - SSL_free(ssl); - } - - close_socket(sock); - return false; - } - - auto ret = false; - - if (SSL_connect_or_accept(ssl) == 1) { - if (keep_alive_max_count > 1) { - auto count = keep_alive_max_count; - while (count > 0 && - (is_client_request || - detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, - CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { - SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec); - auto last_connection = count == 1; - auto connection_close = false; - - ret = callback(ssl, strm, last_connection, connection_close); - if (!ret || connection_close) { break; } - - count--; - } - } else { - SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec); - auto dummy_connection_close = false; - ret = callback(ssl, strm, true, dummy_connection_close); - } - } - - SSL_shutdown(ssl); - { - std::lock_guard guard(ctx_mutex); - SSL_free(ssl); - } - - close_socket(sock); - - return ret; -} - -#if OPENSSL_VERSION_NUMBER < 0x10100000L -static std::shared_ptr> openSSL_locks_; - -class SSLThreadLocks { -public: - SSLThreadLocks() { - openSSL_locks_ = - std::make_shared>(CRYPTO_num_locks()); - CRYPTO_set_locking_callback(locking_callback); - } - - ~SSLThreadLocks() { CRYPTO_set_locking_callback(nullptr); } - -private: - static void locking_callback(int mode, int type, const char * /*file*/, - int /*line*/) { - auto &locks = *openSSL_locks_; - if (mode & CRYPTO_LOCK) { - locks[type].lock(); - } else { - locks[type].unlock(); - } - } -}; - -#endif - -class SSLInit { -public: - SSLInit() { -#if OPENSSL_VERSION_NUMBER < 0x1010001fL - SSL_load_error_strings(); - SSL_library_init(); -#else - OPENSSL_init_ssl( - OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); -#endif - } - - ~SSLInit() { -#if OPENSSL_VERSION_NUMBER < 0x1010001fL - ERR_free_strings(); -#endif - } - -private: -#if OPENSSL_VERSION_NUMBER < 0x10100000L - SSLThreadLocks thread_init_; -#endif -}; - -// SSL socket stream implementation -inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl, - time_t read_timeout_sec, - time_t read_timeout_usec) - : sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec), - read_timeout_usec_(read_timeout_usec) {} - -inline SSLSocketStream::~SSLSocketStream() {} - -inline bool SSLSocketStream::is_readable() const { - return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; -} - -inline bool SSLSocketStream::is_writable() const { - return detail::select_write(sock_, 0, 0) > 0; -} - -inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { - if (SSL_pending(ssl_) > 0 || - select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0) { - return SSL_read(ssl_, ptr, static_cast(size)); - } - return -1; -} - -inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) { - if (is_writable()) { return SSL_write(ssl_, ptr, static_cast(size)); } - return -1; -} - -inline std::string SSLSocketStream::get_remote_addr() const { - return detail::get_remote_addr(sock_); -} - -static SSLInit sslinit_; - -} // namespace detail - -// SSL HTTP server implementation -inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, - const char *client_ca_cert_file_path, - const char *client_ca_cert_dir_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; - } else if (client_ca_cert_file_path || client_ca_cert_dir_path) { - // if (client_ca_cert_file_path) { - // auto list = SSL_load_client_CA_file(client_ca_cert_file_path); - // SSL_CTX_set_client_CA_list(ctx_, list); - // } - - SSL_CTX_load_verify_locations(ctx_, client_ca_cert_file_path, - client_ca_cert_dir_path); - - SSL_CTX_set_verify( - ctx_, - SSL_VERIFY_PEER | - SSL_VERIFY_FAIL_IF_NO_PEER_CERT, // SSL_VERIFY_CLIENT_ONCE, - nullptr); - } - } -} - -inline SSLServer::~SSLServer() { - if (ctx_) { SSL_CTX_free(ctx_); } -} - -inline bool SSLServer::is_valid() const { return ctx_; } - -inline bool SSLServer::process_and_close_socket(socket_t sock) { - return detail::process_and_close_socket_ssl( - false, sock, keep_alive_max_count_, read_timeout_sec_, read_timeout_usec_, - ctx_, ctx_mutex_, SSL_accept, [](SSL * /*ssl*/) { return true; }, - [this](SSL *ssl, Stream &strm, bool last_connection, - bool &connection_close) { - return process_request(strm, last_connection, connection_close, - [&](Request &req) { req.ssl = ssl; }); - }); -} - -// SSL HTTP client implementation -inline SSLClient::SSLClient(const std::string &host, int port, - const std::string &client_cert_path, - const std::string &client_key_path) - : Client(host, port, client_cert_path, client_key_path) { - ctx_ = SSL_CTX_new(SSLv23_client_method()); - - detail::split(&host_[0], &host_[host_.size()], '.', - [&](const char *b, const char *e) { - host_components_.emplace_back(std::string(b, e)); - }); - if (!client_cert_path.empty() && !client_key_path.empty()) { - if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(), - SSL_FILETYPE_PEM) != 1 || - SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(), - SSL_FILETYPE_PEM) != 1) { - SSL_CTX_free(ctx_); - ctx_ = nullptr; - } - } -} - -inline SSLClient::~SSLClient() { - if (ctx_) { SSL_CTX_free(ctx_); } -} - -inline bool SSLClient::is_valid() const { return ctx_; } - -inline void SSLClient::set_ca_cert_path(const char *ca_cert_file_path, - const char *ca_cert_dir_path) { - if (ca_cert_file_path) { ca_cert_file_path_ = ca_cert_file_path; } - if (ca_cert_dir_path) { ca_cert_dir_path_ = ca_cert_dir_path; } -} - -inline void SSLClient::enable_server_certificate_verification(bool enabled) { - server_certificate_verification_ = enabled; -} - -inline long SSLClient::get_openssl_verify_result() const { - return verify_result_; -} - -inline SSL_CTX *SSLClient::ssl_context() const noexcept { return ctx_; } - -inline bool SSLClient::process_and_close_socket( - socket_t sock, size_t request_count, - std::function - callback) { - - request_count = std::min(request_count, keep_alive_max_count_); - - return is_valid() && - detail::process_and_close_socket_ssl( - true, sock, request_count, read_timeout_sec_, read_timeout_usec_, - ctx_, ctx_mutex_, - [&](SSL *ssl) { - if (ca_cert_file_path_.empty()) { - SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, nullptr); - } else { - if (!SSL_CTX_load_verify_locations( - ctx_, ca_cert_file_path_.c_str(), nullptr)) { - return false; - } - SSL_CTX_set_verify(ctx_, SSL_VERIFY_PEER, nullptr); - } - - if (SSL_connect(ssl) != 1) { return false; } - - if (server_certificate_verification_) { - verify_result_ = SSL_get_verify_result(ssl); - - if (verify_result_ != X509_V_OK) { return false; } - - auto server_cert = SSL_get_peer_certificate(ssl); - - if (server_cert == nullptr) { return false; } - - if (!verify_host(server_cert)) { - X509_free(server_cert); - return false; - } - X509_free(server_cert); - } - - return true; - }, - [&](SSL *ssl) { - SSL_set_tlsext_host_name(ssl, host_.c_str()); - return true; - }, - [&](SSL * /*ssl*/, Stream &strm, bool last_connection, - bool &connection_close) { - return callback(strm, last_connection, connection_close); - }); -} - -inline bool SSLClient::is_ssl() const { return true; } - -inline bool SSLClient::verify_host(X509 *server_cert) const { - /* Quote from RFC2818 section 3.1 "Server Identity" - - If a subjectAltName extension of type dNSName is present, that MUST - be used as the identity. Otherwise, the (most specific) Common Name - field in the Subject field of the certificate MUST be used. Although - the use of the Common Name is existing practice, it is deprecated and - Certification Authorities are encouraged to use the dNSName instead. - - Matching is performed using the matching rules specified by - [RFC2459]. If more than one identity of a given type is present in - the certificate (e.g., more than one dNSName name, a match in any one - of the set is considered acceptable.) Names may contain the wildcard - character * which is considered to match any single domain name - component or component fragment. E.g., *.a.com matches foo.a.com but - not bar.foo.a.com. f*.com matches foo.com but not bar.com. - - In some cases, the URI is specified as an IP address rather than a - hostname. In this case, the iPAddress subjectAltName must be present - in the certificate and must exactly match the IP in the URI. - - */ - return verify_host_with_subject_alt_name(server_cert) || - verify_host_with_common_name(server_cert); -} - -inline bool -SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { - auto ret = false; - - auto type = GEN_DNS; - - struct in6_addr addr6; - struct in_addr addr; - size_t addr_len = 0; - -#ifndef __MINGW32__ - if (inet_pton(AF_INET6, host_.c_str(), &addr6)) { - type = GEN_IPADD; - addr_len = sizeof(struct in6_addr); - } else if (inet_pton(AF_INET, host_.c_str(), &addr)) { - type = GEN_IPADD; - addr_len = sizeof(struct in_addr); - } -#endif - - auto alt_names = static_cast( - X509_get_ext_d2i(server_cert, NID_subject_alt_name, nullptr, nullptr)); - - if (alt_names) { - auto dsn_matched = false; - auto ip_mached = false; - - auto count = sk_GENERAL_NAME_num(alt_names); - - for (auto i = 0; i < count && !dsn_matched; i++) { - auto val = sk_GENERAL_NAME_value(alt_names, i); - if (val->type == type) { - auto name = (const char *)ASN1_STRING_get0_data(val->d.ia5); - auto name_len = (size_t)ASN1_STRING_length(val->d.ia5); - - if (strlen(name) == name_len) { - switch (type) { - case GEN_DNS: dsn_matched = check_host_name(name, name_len); break; - - case GEN_IPADD: - if (!memcmp(&addr6, name, addr_len) || - !memcmp(&addr, name, addr_len)) { - ip_mached = true; - } - break; - } - } - } - } - - if (dsn_matched || ip_mached) { ret = true; } - } - - GENERAL_NAMES_free((STACK_OF(GENERAL_NAME) *)alt_names); - - return ret; -} - -inline bool SSLClient::verify_host_with_common_name(X509 *server_cert) const { - const auto subject_name = X509_get_subject_name(server_cert); - - if (subject_name != nullptr) { - char name[BUFSIZ]; - auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName, - name, sizeof(name)); - - if (name_len != -1) { - return check_host_name(name, static_cast(name_len)); - } - } - - return false; -} - -inline bool SSLClient::check_host_name(const char *pattern, - size_t pattern_len) const { - if (host_.size() == pattern_len && host_ == pattern) { return true; } - - // Wildcard match - // https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/376484 - std::vector pattern_components; - detail::split(&pattern[0], &pattern[pattern_len], '.', - [&](const char *b, const char *e) { - pattern_components.emplace_back(std::string(b, e)); - }); - - if (host_components_.size() != pattern_components.size()) { return false; } - - auto itr = pattern_components.begin(); - for (const auto &h : host_components_) { - auto &p = *itr; - if (p != h && p != "*") { - auto partial_match = (p.size() > 0 && p[p.size() - 1] == '*' && - !p.compare(0, p.size() - 1, h)); - if (!partial_match) { return false; } - } - ++itr; - } - - return true; -} -#endif - -// ---------------------------------------------------------------------------- - -} // namespace httplib - -#endif // CPPHTTPLIB_HTTPLIB_H