/*************************************************************************/ /* http_client.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef HTTP_CLIENT_H #define HTTP_CLIENT_H #include "core/io/ip.h" #include "core/io/stream_peer.h" #include "core/io/stream_peer_tcp.h" #include "core/object/reference.h" class HTTPClient : public Reference { GDCLASS(HTTPClient, Reference); public: enum ResponseCode { // 1xx informational RESPONSE_CONTINUE = 100, RESPONSE_SWITCHING_PROTOCOLS = 101, RESPONSE_PROCESSING = 102, // 2xx successful RESPONSE_OK = 200, RESPONSE_CREATED = 201, RESPONSE_ACCEPTED = 202, RESPONSE_NON_AUTHORITATIVE_INFORMATION = 203, RESPONSE_NO_CONTENT = 204, RESPONSE_RESET_CONTENT = 205, RESPONSE_PARTIAL_CONTENT = 206, RESPONSE_MULTI_STATUS = 207, RESPONSE_ALREADY_REPORTED = 208, RESPONSE_IM_USED = 226, // 3xx redirection RESPONSE_MULTIPLE_CHOICES = 300, RESPONSE_MOVED_PERMANENTLY = 301, RESPONSE_FOUND = 302, RESPONSE_SEE_OTHER = 303, RESPONSE_NOT_MODIFIED = 304, RESPONSE_USE_PROXY = 305, RESPONSE_SWITCH_PROXY = 306, RESPONSE_TEMPORARY_REDIRECT = 307, RESPONSE_PERMANENT_REDIRECT = 308, // 4xx client error RESPONSE_BAD_REQUEST = 400, RESPONSE_UNAUTHORIZED = 401, RESPONSE_PAYMENT_REQUIRED = 402, RESPONSE_FORBIDDEN = 403, RESPONSE_NOT_FOUND = 404, RESPONSE_METHOD_NOT_ALLOWED = 405, RESPONSE_NOT_ACCEPTABLE = 406, RESPONSE_PROXY_AUTHENTICATION_REQUIRED = 407, RESPONSE_REQUEST_TIMEOUT = 408, RESPONSE_CONFLICT = 409, RESPONSE_GONE = 410, RESPONSE_LENGTH_REQUIRED = 411, RESPONSE_PRECONDITION_FAILED = 412, RESPONSE_REQUEST_ENTITY_TOO_LARGE = 413, RESPONSE_REQUEST_URI_TOO_LONG = 414, RESPONSE_UNSUPPORTED_MEDIA_TYPE = 415, RESPONSE_REQUESTED_RANGE_NOT_SATISFIABLE = 416, RESPONSE_EXPECTATION_FAILED = 417, RESPONSE_IM_A_TEAPOT = 418, RESPONSE_MISDIRECTED_REQUEST = 421, RESPONSE_UNPROCESSABLE_ENTITY = 422, RESPONSE_LOCKED = 423, RESPONSE_FAILED_DEPENDENCY = 424, RESPONSE_UPGRADE_REQUIRED = 426, RESPONSE_PRECONDITION_REQUIRED = 428, RESPONSE_TOO_MANY_REQUESTS = 429, RESPONSE_REQUEST_HEADER_FIELDS_TOO_LARGE = 431, RESPONSE_UNAVAILABLE_FOR_LEGAL_REASONS = 451, // 5xx server error RESPONSE_INTERNAL_SERVER_ERROR = 500, RESPONSE_NOT_IMPLEMENTED = 501, RESPONSE_BAD_GATEWAY = 502, RESPONSE_SERVICE_UNAVAILABLE = 503, RESPONSE_GATEWAY_TIMEOUT = 504, RESPONSE_HTTP_VERSION_NOT_SUPPORTED = 505, RESPONSE_VARIANT_ALSO_NEGOTIATES = 506, RESPONSE_INSUFFICIENT_STORAGE = 507, RESPONSE_LOOP_DETECTED = 508, RESPONSE_NOT_EXTENDED = 510, RESPONSE_NETWORK_AUTH_REQUIRED = 511, }; enum Method { METHOD_GET, METHOD_HEAD, METHOD_POST, METHOD_PUT, METHOD_DELETE, METHOD_OPTIONS, METHOD_TRACE, METHOD_CONNECT, METHOD_PATCH, METHOD_MAX }; enum Status { STATUS_DISCONNECTED, STATUS_RESOLVING, // Resolving hostname (if passed a hostname) STATUS_CANT_RESOLVE, STATUS_CONNECTING, // Connecting to IP STATUS_CANT_CONNECT, STATUS_CONNECTED, // Connected, requests can be made STATUS_REQUESTING, // Request in progress STATUS_BODY, // Request resulted in body, which must be read STATUS_CONNECTION_ERROR, STATUS_SSL_HANDSHAKE_ERROR, }; private: static const char *_methods[METHOD_MAX]; static const int HOST_MIN_LEN = 4; enum Port { PORT_HTTP = 80, PORT_HTTPS = 443, }; #ifndef JAVASCRIPT_ENABLED Status status = STATUS_DISCONNECTED; IP::ResolverID resolving = IP::RESOLVER_INVALID_ID; int conn_port = -1; String conn_host; bool ssl = false; bool ssl_verify_host = false; bool blocking = false; bool handshaking = false; bool head_request = false; Vector response_str; bool chunked = false; Vector chunk; int chunk_left = 0; bool chunk_trailer_part = false; int body_size = -1; int body_left = 0; bool read_until_eof = false; Ref tcp_connection; Ref connection; int response_num = 0; Vector response_headers; // 64 KiB by default (favors fast download speeds at the cost of memory usage). int read_chunk_size = 65536; Error _get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received); #else #include "platform/javascript/http_client.h.inc" #endif PackedStringArray _get_response_headers(); Dictionary _get_response_headers_as_dictionary(); static void _bind_methods(); public: Error connect_to_host(const String &p_host, int p_port = -1, bool p_ssl = false, bool p_verify_host = true); void set_connection(const Ref &p_connection); Ref get_connection() const; Error request_raw(Method p_method, const String &p_url, const Vector &p_headers, const Vector &p_body); Error request(Method p_method, const String &p_url, const Vector &p_headers, const String &p_body = String()); void close(); Status get_status() const; bool has_response() const; bool is_response_chunked() const; int get_response_code() const; Error get_response_headers(List *r_response); int get_response_body_length() const; PackedByteArray read_response_body_chunk(); // Can't get body as partial text because of most encodings UTF8, gzip, etc. void set_blocking_mode(bool p_enable); // Useful mostly if running in a thread bool is_blocking_mode_enabled() const; void set_read_chunk_size(int p_size); int get_read_chunk_size() const; Error poll(); String query_string_from_dict(const Dictionary &p_dict); HTTPClient(); ~HTTPClient(); }; VARIANT_ENUM_CAST(HTTPClient::ResponseCode) VARIANT_ENUM_CAST(HTTPClient::Method); VARIANT_ENUM_CAST(HTTPClient::Status); #endif // HTTP_CLIENT_H