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Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
239 lines
7.3 KiB
C++
239 lines
7.3 KiB
C++
/*************************************************************************/
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/* http_client.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef HTTP_CLIENT_H
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#define HTTP_CLIENT_H
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#include "core/io/ip.h"
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#include "core/io/stream_peer.h"
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#include "core/io/stream_peer_tcp.h"
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#include "core/reference.h"
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class HTTPClient : public Reference {
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GDCLASS(HTTPClient, Reference);
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public:
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enum ResponseCode {
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// 1xx informational
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RESPONSE_CONTINUE = 100,
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RESPONSE_SWITCHING_PROTOCOLS = 101,
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RESPONSE_PROCESSING = 102,
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// 2xx successful
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RESPONSE_OK = 200,
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RESPONSE_CREATED = 201,
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RESPONSE_ACCEPTED = 202,
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RESPONSE_NON_AUTHORITATIVE_INFORMATION = 203,
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RESPONSE_NO_CONTENT = 204,
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RESPONSE_RESET_CONTENT = 205,
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RESPONSE_PARTIAL_CONTENT = 206,
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RESPONSE_MULTI_STATUS = 207,
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RESPONSE_ALREADY_REPORTED = 208,
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RESPONSE_IM_USED = 226,
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// 3xx redirection
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RESPONSE_MULTIPLE_CHOICES = 300,
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RESPONSE_MOVED_PERMANENTLY = 301,
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RESPONSE_FOUND = 302,
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RESPONSE_SEE_OTHER = 303,
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RESPONSE_NOT_MODIFIED = 304,
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RESPONSE_USE_PROXY = 305,
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RESPONSE_SWITCH_PROXY = 306,
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RESPONSE_TEMPORARY_REDIRECT = 307,
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RESPONSE_PERMANENT_REDIRECT = 308,
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// 4xx client error
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RESPONSE_BAD_REQUEST = 400,
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RESPONSE_UNAUTHORIZED = 401,
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RESPONSE_PAYMENT_REQUIRED = 402,
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RESPONSE_FORBIDDEN = 403,
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RESPONSE_NOT_FOUND = 404,
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RESPONSE_METHOD_NOT_ALLOWED = 405,
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RESPONSE_NOT_ACCEPTABLE = 406,
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RESPONSE_PROXY_AUTHENTICATION_REQUIRED = 407,
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RESPONSE_REQUEST_TIMEOUT = 408,
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RESPONSE_CONFLICT = 409,
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RESPONSE_GONE = 410,
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RESPONSE_LENGTH_REQUIRED = 411,
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RESPONSE_PRECONDITION_FAILED = 412,
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RESPONSE_REQUEST_ENTITY_TOO_LARGE = 413,
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RESPONSE_REQUEST_URI_TOO_LONG = 414,
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RESPONSE_UNSUPPORTED_MEDIA_TYPE = 415,
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RESPONSE_REQUESTED_RANGE_NOT_SATISFIABLE = 416,
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RESPONSE_EXPECTATION_FAILED = 417,
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RESPONSE_IM_A_TEAPOT = 418,
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RESPONSE_MISDIRECTED_REQUEST = 421,
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RESPONSE_UNPROCESSABLE_ENTITY = 422,
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RESPONSE_LOCKED = 423,
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RESPONSE_FAILED_DEPENDENCY = 424,
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RESPONSE_UPGRADE_REQUIRED = 426,
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RESPONSE_PRECONDITION_REQUIRED = 428,
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RESPONSE_TOO_MANY_REQUESTS = 429,
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RESPONSE_REQUEST_HEADER_FIELDS_TOO_LARGE = 431,
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RESPONSE_UNAVAILABLE_FOR_LEGAL_REASONS = 451,
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// 5xx server error
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RESPONSE_INTERNAL_SERVER_ERROR = 500,
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RESPONSE_NOT_IMPLEMENTED = 501,
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RESPONSE_BAD_GATEWAY = 502,
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RESPONSE_SERVICE_UNAVAILABLE = 503,
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RESPONSE_GATEWAY_TIMEOUT = 504,
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RESPONSE_HTTP_VERSION_NOT_SUPPORTED = 505,
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RESPONSE_VARIANT_ALSO_NEGOTIATES = 506,
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RESPONSE_INSUFFICIENT_STORAGE = 507,
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RESPONSE_LOOP_DETECTED = 508,
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RESPONSE_NOT_EXTENDED = 510,
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RESPONSE_NETWORK_AUTH_REQUIRED = 511,
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};
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enum Method {
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METHOD_GET,
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METHOD_HEAD,
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METHOD_POST,
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METHOD_PUT,
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METHOD_DELETE,
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METHOD_OPTIONS,
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METHOD_TRACE,
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METHOD_CONNECT,
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METHOD_PATCH,
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METHOD_MAX
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};
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enum Status {
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STATUS_DISCONNECTED,
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STATUS_RESOLVING, // Resolving hostname (if passed a hostname)
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STATUS_CANT_RESOLVE,
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STATUS_CONNECTING, // Connecting to IP
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STATUS_CANT_CONNECT,
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STATUS_CONNECTED, // Connected, requests can be made
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STATUS_REQUESTING, // Request in progress
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STATUS_BODY, // Request resulted in body, which must be read
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STATUS_CONNECTION_ERROR,
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STATUS_SSL_HANDSHAKE_ERROR,
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};
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private:
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static const char *_methods[METHOD_MAX];
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static const int HOST_MIN_LEN = 4;
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enum Port {
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PORT_HTTP = 80,
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PORT_HTTPS = 443,
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};
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#ifndef JAVASCRIPT_ENABLED
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Status status;
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IP::ResolverID resolving;
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int conn_port;
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String conn_host;
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bool ssl;
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bool ssl_verify_host;
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bool blocking;
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bool handshaking;
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bool head_request;
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Vector<uint8_t> response_str;
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bool chunked;
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Vector<uint8_t> chunk;
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int chunk_left;
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bool chunk_trailer_part;
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int body_size;
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int body_left;
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bool read_until_eof;
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Ref<StreamPeerTCP> tcp_connection;
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Ref<StreamPeer> connection;
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int response_num;
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Vector<String> response_headers;
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int read_chunk_size;
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Error _get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received);
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#else
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#include "platform/javascript/http_client.h.inc"
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#endif
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PoolStringArray _get_response_headers();
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Dictionary _get_response_headers_as_dictionary();
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static void _bind_methods();
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public:
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Error connect_to_host(const String &p_host, int p_port = -1, bool p_ssl = false, bool p_verify_host = true);
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void set_connection(const Ref<StreamPeer> &p_connection);
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Ref<StreamPeer> get_connection() const;
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Error request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const PoolVector<uint8_t> &p_body);
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Error request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body = String());
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void close();
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Status get_status() const;
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bool has_response() const;
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bool is_response_chunked() const;
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int get_response_code() const;
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Error get_response_headers(List<String> *r_response);
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int get_response_body_length() const;
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PoolByteArray read_response_body_chunk(); // Can't get body as partial text because of most encodings UTF8, gzip, etc.
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void set_blocking_mode(bool p_enable); // Useful mostly if running in a thread
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bool is_blocking_mode_enabled() const;
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void set_read_chunk_size(int p_size);
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int get_read_chunk_size() const;
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Error poll();
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String query_string_from_dict(const Dictionary &p_dict);
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HTTPClient();
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~HTTPClient();
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};
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VARIANT_ENUM_CAST(HTTPClient::ResponseCode)
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VARIANT_ENUM_CAST(HTTPClient::Method);
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VARIANT_ENUM_CAST(HTTPClient::Status);
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#endif // HTTP_CLIENT_H
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