|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright 2017 Facebook, Inc. |
|
4
|
|
|
* |
|
5
|
|
|
* You are hereby granted a non-exclusive, worldwide, royalty-free license to |
|
6
|
|
|
* use, copy, modify, and distribute this software in source code or binary |
|
7
|
|
|
* form for use in connection with the web services and APIs provided by |
|
8
|
|
|
* Facebook. |
|
9
|
|
|
* |
|
10
|
|
|
* As with any software that integrates with the Facebook platform, your use |
|
11
|
|
|
* of this software is subject to the Facebook Developer Principles and |
|
12
|
|
|
* Policies [http://developers.facebook.com/policy/]. This copyright notice |
|
13
|
|
|
* shall be included in all copies or substantial portions of the software. |
|
14
|
|
|
* |
|
15
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
16
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
17
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
18
|
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
19
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
20
|
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
21
|
|
|
* DEALINGS IN THE SOFTWARE. |
|
22
|
|
|
*/ |
|
23
|
|
|
namespace Facebook; |
|
24
|
|
|
|
|
25
|
|
|
use Facebook\Exception\SDKException; |
|
26
|
|
|
use Psr\Http\Client\ClientInterface; |
|
27
|
|
|
use Psr\Http\Message\MessageInterface; |
|
28
|
|
|
use Psr\Http\Message\RequestFactoryInterface; |
|
29
|
|
|
use Psr\Http\Message\RequestInterface; |
|
30
|
|
|
use Psr\Http\Message\StreamFactoryInterface; |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* @package Facebook |
|
34
|
|
|
*/ |
|
35
|
|
|
class Client |
|
36
|
|
|
{ |
|
37
|
|
|
/** |
|
38
|
|
|
* @const string Production Graph API URL. |
|
39
|
|
|
*/ |
|
40
|
|
|
const BASE_GRAPH_URL = 'https://graph.facebook.com'; |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* @const string Graph API URL for video uploads. |
|
44
|
|
|
*/ |
|
45
|
|
|
const BASE_GRAPH_VIDEO_URL = 'https://graph-video.facebook.com'; |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* @const string Beta Graph API URL. |
|
49
|
|
|
*/ |
|
50
|
|
|
const BASE_GRAPH_URL_BETA = 'https://graph.beta.facebook.com'; |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* @const string Beta Graph API URL for video uploads. |
|
54
|
|
|
*/ |
|
55
|
|
|
const BASE_GRAPH_VIDEO_URL_BETA = 'https://graph-video.beta.facebook.com'; |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @const int The timeout in seconds for a normal request. |
|
59
|
|
|
*/ |
|
60
|
|
|
const DEFAULT_REQUEST_TIMEOUT = 60; |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @const int The timeout in seconds for a request that contains file uploads. |
|
64
|
|
|
*/ |
|
65
|
|
|
const DEFAULT_FILE_UPLOAD_REQUEST_TIMEOUT = 3600; |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* @const int The timeout in seconds for a request that contains video uploads. |
|
69
|
|
|
*/ |
|
70
|
|
|
const DEFAULT_VIDEO_UPLOAD_REQUEST_TIMEOUT = 7200; |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* @var bool toggle to use Graph beta url |
|
74
|
|
|
*/ |
|
75
|
|
|
protected $enableBetaMode = false; |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @var ClientInterface HTTP client handler |
|
79
|
|
|
*/ |
|
80
|
|
|
protected $httpClient; |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* @var RequestFactoryInterface |
|
84
|
|
|
*/ |
|
85
|
|
|
private $requestFactory; |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* @var StreamFactoryInterface |
|
89
|
|
|
*/ |
|
90
|
|
|
private $streamFactory; |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* @var int the number of calls that have been made to Graph |
|
94
|
|
|
*/ |
|
95
|
|
|
public static $requestCount = 0; |
|
96
|
|
|
|
|
97
|
|
|
/** |
|
98
|
|
|
* Instantiates a new Client object. |
|
99
|
|
|
* |
|
100
|
|
|
* @param ClientInterface $httpClient |
|
101
|
|
|
* @param RequestFactoryInterface $requestFactory |
|
102
|
|
|
* @param StreamFactoryInterface $streamFactory |
|
103
|
|
|
* @param bool $enableBeta |
|
104
|
|
|
*/ |
|
105
|
41 |
|
public function __construct( |
|
106
|
|
|
ClientInterface $httpClient, |
|
107
|
|
|
RequestFactoryInterface $requestFactory, |
|
108
|
|
|
StreamFactoryInterface $streamFactory, |
|
109
|
|
|
$enableBeta = false |
|
110
|
|
|
) { |
|
111
|
41 |
|
$this->httpClient = $httpClient; |
|
112
|
41 |
|
$this->enableBetaMode = $enableBeta; |
|
113
|
41 |
|
$this->requestFactory = $requestFactory; |
|
114
|
41 |
|
$this->streamFactory = $streamFactory; |
|
115
|
41 |
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* Sets the HTTP client handler. |
|
119
|
|
|
* |
|
120
|
|
|
* @param ClientInterface $httpClient |
|
121
|
|
|
*/ |
|
122
|
|
|
public function setHttpClient(ClientInterface $httpClient) |
|
123
|
|
|
{ |
|
124
|
|
|
$this->httpClient = $httpClient; |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
/** |
|
128
|
|
|
* Returns the HTTP client handler. |
|
129
|
|
|
* |
|
130
|
|
|
* @return ClientInterface |
|
131
|
|
|
*/ |
|
132
|
2 |
|
public function getHttpClient() |
|
133
|
|
|
{ |
|
134
|
2 |
|
return $this->httpClient; |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Toggle beta mode. |
|
139
|
|
|
* |
|
140
|
|
|
* @param bool $betaMode |
|
141
|
|
|
*/ |
|
142
|
2 |
|
public function enableBetaMode($betaMode = true) |
|
143
|
|
|
{ |
|
144
|
2 |
|
$this->enableBetaMode = $betaMode; |
|
145
|
2 |
|
} |
|
146
|
|
|
|
|
147
|
|
|
/** |
|
148
|
|
|
* Returns the base Graph URL. |
|
149
|
|
|
* |
|
150
|
|
|
* @param bool $postToVideoUrl post to the video API if videos are being uploaded |
|
151
|
|
|
* |
|
152
|
|
|
* @return string |
|
153
|
|
|
*/ |
|
154
|
15 |
|
public function getBaseGraphUrl($postToVideoUrl = false) |
|
155
|
|
|
{ |
|
156
|
15 |
|
if ($postToVideoUrl) { |
|
157
|
2 |
|
return $this->enableBetaMode ? static::BASE_GRAPH_VIDEO_URL_BETA : static::BASE_GRAPH_VIDEO_URL; |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
13 |
|
return $this->enableBetaMode ? static::BASE_GRAPH_URL_BETA : static::BASE_GRAPH_URL; |
|
161
|
|
|
} |
|
162
|
|
|
|
|
163
|
|
|
/** |
|
164
|
|
|
* Prepares the request for sending to the client handler. |
|
165
|
|
|
* @deprecated |
|
166
|
|
|
* |
|
167
|
|
|
* @param Request $request |
|
168
|
|
|
* |
|
169
|
|
|
* @return array |
|
170
|
|
|
*/ |
|
171
|
1 |
|
public function prepareRequestMessage(Request $request) |
|
172
|
|
|
{ |
|
173
|
1 |
|
$postToVideoUrl = $request->containsVideoUploads(); |
|
174
|
1 |
|
$url = $this->getBaseGraphUrl($postToVideoUrl) . $request->getUrl(); |
|
175
|
|
|
|
|
176
|
|
|
// If we're sending files they should be sent as multipart/form-data |
|
177
|
1 |
|
if ($request->containsFileUploads()) { |
|
178
|
1 |
|
$requestBody = $request->getMultipartBody(); |
|
179
|
1 |
|
$request->setHeaders([ |
|
180
|
1 |
|
'Content-Type' => 'multipart/form-data; boundary=' . $requestBody->getBoundary(), |
|
181
|
|
|
]); |
|
182
|
|
|
} else { |
|
183
|
|
|
$requestBody = $request->getUrlEncodedBody(); |
|
184
|
|
|
$request->setHeaders([ |
|
185
|
|
|
'Content-Type' => 'application/x-www-form-urlencoded', |
|
186
|
|
|
]); |
|
187
|
|
|
} |
|
188
|
|
|
|
|
189
|
|
|
return [ |
|
190
|
1 |
|
$url, |
|
191
|
1 |
|
$request->getMethod(), |
|
192
|
1 |
|
$request->getHeaders(), |
|
193
|
1 |
|
$requestBody->getBody(), |
|
194
|
|
|
]; |
|
195
|
|
|
} |
|
196
|
|
|
|
|
197
|
|
|
/** |
|
198
|
|
|
* Makes the request to Graph and returns the result. |
|
199
|
|
|
* |
|
200
|
|
|
* @param Request $request |
|
201
|
|
|
* |
|
202
|
|
|
* @throws SDKException |
|
203
|
|
|
* |
|
204
|
|
|
* @return Response |
|
205
|
|
|
*/ |
|
206
|
10 |
|
public function sendRequest(Request $request) |
|
207
|
|
|
{ |
|
208
|
10 |
|
if (get_class($request) === 'Facebook\Request') { |
|
209
|
9 |
|
$request->validateAccessToken(); |
|
210
|
|
|
} |
|
211
|
|
|
|
|
212
|
9 |
|
$psr7Request = $this->createPSR7RequestFromFacebookRequest($request); |
|
213
|
|
|
// Add headers to FacebookRequest |
|
214
|
9 |
|
$request->setHeaders($this->flattenPSR7Headers($psr7Request, $psr7Request->getHeaders())); |
|
215
|
|
|
|
|
216
|
9 |
|
$psr7Response = $this->httpClient->sendRequest($psr7Request); |
|
217
|
|
|
|
|
218
|
9 |
|
static::$requestCount++; |
|
219
|
|
|
|
|
220
|
|
|
// Prepare headers from associative array to a single string for each header. |
|
221
|
9 |
|
$responseHeaders = $this->flattenPSR7Headers($psr7Response); |
|
222
|
|
|
|
|
223
|
9 |
|
$Response = new Response( |
|
224
|
9 |
|
$request, |
|
225
|
9 |
|
$psr7Response->getBody(), |
|
226
|
9 |
|
$psr7Response->getStatusCode(), |
|
227
|
9 |
|
$responseHeaders |
|
228
|
|
|
); |
|
229
|
|
|
|
|
230
|
9 |
|
if ($Response->isError()) { |
|
231
|
3 |
|
throw $Response->getThrownException(); |
|
232
|
|
|
} |
|
233
|
|
|
|
|
234
|
7 |
|
return $Response; |
|
235
|
|
|
} |
|
236
|
|
|
|
|
237
|
|
|
/** |
|
238
|
|
|
* Makes a batched request to Graph and returns the result. |
|
239
|
|
|
* |
|
240
|
|
|
* @param BatchRequest $request |
|
241
|
|
|
* |
|
242
|
|
|
* @throws SDKException |
|
243
|
|
|
* |
|
244
|
|
|
* @return BatchResponse |
|
245
|
|
|
*/ |
|
246
|
1 |
|
public function sendBatchRequest(BatchRequest $request) |
|
247
|
|
|
{ |
|
248
|
1 |
|
$request->prepareRequestsForBatch(); |
|
249
|
1 |
|
$Response = $this->sendRequest($request); |
|
250
|
|
|
|
|
251
|
1 |
|
return new BatchResponse($request, $Response); |
|
252
|
|
|
} |
|
253
|
|
|
|
|
254
|
9 |
|
private function createPSR7RequestFromFacebookRequest(Request $facebookRequest): RequestInterface |
|
255
|
|
|
{ |
|
256
|
9 |
|
$postToVideoUrl = $facebookRequest->containsVideoUploads(); |
|
257
|
9 |
|
$uri = $this->getBaseGraphUrl($postToVideoUrl) . $facebookRequest->getUrl(); |
|
258
|
|
|
|
|
259
|
9 |
|
$psrRequest = $this->requestFactory->createRequest($facebookRequest->getMethod(), $uri); |
|
260
|
|
|
|
|
261
|
|
|
// If we're sending files they should be sent as multipart/form-data |
|
262
|
9 |
|
if ($facebookRequest->containsFileUploads()) { |
|
263
|
5 |
|
$requestBody = $facebookRequest->getMultipartBody(); |
|
264
|
5 |
|
$psrRequest = $psrRequest->withHeader( |
|
265
|
5 |
|
'Content-Type', |
|
266
|
5 |
|
'multipart/form-data; boundary=' . $requestBody->getBoundary() |
|
267
|
|
|
); |
|
268
|
|
|
} else { |
|
269
|
7 |
|
$requestBody = $facebookRequest->getUrlEncodedBody(); |
|
270
|
7 |
|
$psrRequest = $psrRequest->withHeader('Content-Type', 'application/x-www-form-urlencoded'); |
|
271
|
|
|
} |
|
272
|
|
|
|
|
273
|
|
|
// Create a StreamInterface from request body. |
|
274
|
9 |
|
$bodyStream = $this->streamFactory->createStream($requestBody->getBody()); |
|
275
|
|
|
|
|
276
|
9 |
|
return $psrRequest->withBody($bodyStream); |
|
277
|
|
|
} |
|
278
|
|
|
|
|
279
|
9 |
|
private function flattenPSR7Headers(MessageInterface $psr7Message, array $initialValues = []): array |
|
280
|
|
|
{ |
|
281
|
9 |
|
$flattenedHeaders = array_map( |
|
282
|
|
|
function ($value) { return implode(', ', $value); }, |
|
|
|
|
|
|
283
|
9 |
|
$psr7Message->getHeaders() |
|
284
|
|
|
); |
|
285
|
|
|
/* Old Implementation taken from sendRequest() |
|
|
|
|
|
|
286
|
|
|
foreach ($psr7Message->getHeaders() as $name => $values) { |
|
287
|
|
|
$initialValues[$name] = implode(", ", $values); |
|
288
|
|
|
}*/ |
|
289
|
9 |
|
return array_merge($initialValues, $flattenedHeaders); |
|
290
|
|
|
} |
|
291
|
|
|
} |
|
292
|
|
|
|