1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/*************************************************************************/
/* http_client.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "io/stream_peer.h"
#include "io/stream_peer_tcp.h"
#include "io/ip.h"
#include "reference.h"
class HTTPClient : public Reference {
OBJ_TYPE(HTTPClient,Reference);
public:
enum RespondeCode {
// 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_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_TEMPORARY_REDIRECT = 307,
// 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_UNPROCESSABLE_ENTITY = 422,
RESPONSE_LOCKED = 423,
RESPONSE_FAILED_DEPENDENCY = 424,
RESPONSE_UPGRADE_REQUIRED = 426,
// 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_INSUFFICIENT_STORAGE = 507,
RESPONSE_NOT_EXTENDED = 510,
};
enum Method {
METHOD_GET,
METHOD_HEAD,
METHOD_POST,
METHOD_PUT,
METHOD_DELETE,
METHOD_OPTIONS,
METHOD_TRACE,
METHOD_CONNECT,
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 only accepted here
STATUS_REQUESTING, // request in progress
STATUS_BODY, // request resulted in body, which must be read
STATUS_CONNECTION_ERROR,
STATUS_SSL_HANDSHAKE_ERROR,
};
private:
Status status;
IP::ResolverID resolving;
int conn_port;
String conn_host;
bool ssl;
bool ssl_verify_host;
bool blocking;
Vector<uint8_t> response_str;
bool chunked;
Vector<uint8_t> chunk;
int chunk_left;
int body_size;
int body_left;
Ref<StreamPeerTCP> tcp_connection;
Ref<StreamPeer> connection;
int response_num;
Vector<String> response_headers;
static void _bind_methods();
StringArray _get_response_headers();
Dictionary _get_response_headers_as_dictionary();
int read_chunk_size;
Error _get_http_data(uint8_t* p_buffer, int p_bytes,int &r_received);
public:
//Error connect_and_get(const String& p_url,bool p_verify_host=true); //connects to a full url and perform request
Error connect(const String &p_host,int p_port,bool p_ssl=false,bool p_verify_host=true);
void set_connection(const Ref<StreamPeer>& p_connection);
Ref<StreamPeer> get_connection() const;
Error request( Method p_method, const String& p_url, const Vector<String>& p_headers,const String& p_body=String());
Error send_body_text(const String& p_body);
Error send_body_data(const ByteArray& p_body);
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;
ByteArray 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);
Error poll();
String query_string_from_dict(const Dictionary& p_dict);
HTTPClient();
~HTTPClient();
};
VARIANT_ENUM_CAST(HTTPClient::Method);
#endif // HTTP_CLIENT_H
|