239 lines
7.5 KiB
C++
239 lines
7.5 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/object/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 = STATUS_DISCONNECTED;
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IP::ResolverID resolving = IP::RESOLVER_INVALID_ID;
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int conn_port = -1;
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String conn_host;
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bool ssl = false;
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bool ssl_verify_host = false;
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bool blocking = false;
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bool handshaking = false;
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bool head_request = false;
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Vector<uint8_t> response_str;
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bool chunked = false;
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Vector<uint8_t> chunk;
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int chunk_left = 0;
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bool chunk_trailer_part = false;
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int body_size = -1;
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int body_left = 0;
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bool read_until_eof = false;
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Ref<StreamPeerTCP> tcp_connection;
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Ref<StreamPeer> connection;
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int response_num = 0;
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Vector<String> response_headers;
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// 64 KiB by default (favors fast download speeds at the cost of memory usage).
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int read_chunk_size = 65536;
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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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PackedStringArray _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 Vector<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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PackedByteArray 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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