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/*************************************************************************/
/* http_client.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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/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;
IP::ResolverID resolving;
int conn_port;
String conn_host;
bool ssl;
bool ssl_verify_host;
bool blocking;
bool handshaking;
bool head_request;
Vector<uint8_t> response_str;
bool chunked;
Vector<uint8_t> chunk;
int chunk_left;
bool chunk_trailer_part;
int body_size;
int body_left;
bool read_until_eof;
Ref<StreamPeerTCP> tcp_connection;
Ref<StreamPeer> connection;
int response_num;
Vector<String> response_headers;
int read_chunk_size;
Error _get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received);
#else
#include "platform/javascript/http_client.h.inc"
#endif
PoolStringArray _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<StreamPeer> &p_connection);
Ref<StreamPeer> get_connection() const;
Error request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const PoolVector<uint8_t> &p_body);
Error request(Method p_method, const String &p_url, const Vector<String> &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<String> *r_response);
int get_response_body_length() const;
PoolByteArray 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
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