1/**************************************************************************/
2/* http_client_tcp.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
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19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifndef HTTP_CLIENT_TCP_H
32#define HTTP_CLIENT_TCP_H
33
34#include "http_client.h"
35
36#include "core/crypto/crypto.h"
37
38class HTTPClientTCP : public HTTPClient {
39private:
40 Status status = STATUS_DISCONNECTED;
41 IP::ResolverID resolving = IP::RESOLVER_INVALID_ID;
42 Array ip_candidates;
43 int conn_port = -1; // Server to make requests to.
44 String conn_host;
45 int server_port = -1; // Server to connect to (might be a proxy server).
46 String server_host;
47 int http_proxy_port = -1; // Proxy server for http requests.
48 String http_proxy_host;
49 int https_proxy_port = -1; // Proxy server for https requests.
50 String https_proxy_host;
51 bool blocking = false;
52 bool handshaking = false;
53 bool head_request = false;
54 Ref<TLSOptions> tls_options;
55
56 Vector<uint8_t> response_str;
57
58 bool chunked = false;
59 Vector<uint8_t> chunk;
60 int chunk_left = 0;
61 bool chunk_trailer_part = false;
62 int64_t body_size = -1;
63 int64_t body_left = 0;
64 bool read_until_eof = false;
65
66 Ref<StreamPeerBuffer> request_buffer;
67 Ref<StreamPeerTCP> tcp_connection;
68 Ref<StreamPeer> connection;
69 Ref<HTTPClientTCP> proxy_client; // Negotiate with proxy server.
70
71 int response_num = 0;
72 Vector<String> response_headers;
73 // 64 KiB by default (favors fast download speeds at the cost of memory usage).
74 int read_chunk_size = 65536;
75
76 Error _get_http_data(uint8_t *p_buffer, int p_bytes, int &r_received);
77
78public:
79 static HTTPClient *_create_func();
80
81 Error request(Method p_method, const String &p_url, const Vector<String> &p_headers, const uint8_t *p_body, int p_body_size) override;
82
83 Error connect_to_host(const String &p_host, int p_port = -1, Ref<TLSOptions> p_tls_options = Ref<TLSOptions>()) override;
84 void set_connection(const Ref<StreamPeer> &p_connection) override;
85 Ref<StreamPeer> get_connection() const override;
86 void close() override;
87 Status get_status() const override;
88 bool has_response() const override;
89 bool is_response_chunked() const override;
90 int get_response_code() const override;
91 Error get_response_headers(List<String> *r_response) override;
92 int64_t get_response_body_length() const override;
93 PackedByteArray read_response_body_chunk() override;
94 void set_blocking_mode(bool p_enable) override;
95 bool is_blocking_mode_enabled() const override;
96 void set_read_chunk_size(int p_size) override;
97 int get_read_chunk_size() const override;
98 Error poll() override;
99 void set_http_proxy(const String &p_host, int p_port) override;
100 void set_https_proxy(const String &p_host, int p_port) override;
101 HTTPClientTCP();
102};
103
104#endif // HTTP_CLIENT_TCP_H
105