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<?php |
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/** |
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* Copyright 2017 Facebook, Inc. |
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* |
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* You are hereby granted a non-exclusive, worldwide, royalty-free license to |
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* use, copy, modify, and distribute this software in source code or binary |
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* form for use in connection with the web services and APIs provided by |
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* Facebook. |
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* |
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* As with any software that integrates with the Facebook platform, your use |
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* of this software is subject to the Facebook Developer Principles and |
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* Policies [http://developers.facebook.com/policy/]. This copyright notice |
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* shall be 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, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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namespace Facebook; |
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use Facebook\Authentication\AccessToken; |
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use Facebook\Url\UrlManipulator; |
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use Facebook\FileUpload\File; |
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use Facebook\FileUpload\Video; |
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use Facebook\Http\RequestBodyMultipart; |
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use Facebook\Http\RequestBodyUrlEncoded; |
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use Facebook\Exception\SDKException; |
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/** |
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* Class Request. |
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* |
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* @package Facebook |
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*/ |
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class Request |
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{ |
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/** |
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* @var Application the Facebook app entity |
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*/ |
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protected $app; |
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/** |
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* @var null|string the access token to use for this request |
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*/ |
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protected $accessToken; |
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/** |
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* @var string the HTTP method for this request |
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*/ |
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protected $method; |
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/** |
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* @var string the Graph endpoint for this request |
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*/ |
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protected $endpoint; |
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/** |
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* @var array the headers to send with this request |
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*/ |
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protected $headers = []; |
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/** |
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* @var array the parameters to send with this request |
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*/ |
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protected $params = []; |
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/** |
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* @var array the files to send with this request |
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*/ |
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protected $files = []; |
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/** |
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* @var string ETag to send with this request |
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*/ |
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protected $eTag; |
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/** |
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* @var string graph version to use for this request |
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*/ |
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protected $graphVersion; |
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/** |
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* Creates a new Request entity. |
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* |
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* @param null|Application $app |
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* @param null|AccessToken|string $accessToken |
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* @param null|string $method |
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* @param null|string $endpoint |
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* @param null|array $params |
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* @param null|string $eTag |
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* @param null|string $graphVersion |
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*/ |
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public function __construct(Application $app = null, $accessToken = null, $method = null, $endpoint = null, array $params = [], $eTag = null, $graphVersion = null) |
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{ |
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$this->setApp($app); |
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$this->setAccessToken($accessToken); |
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$this->setMethod($method); |
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$this->setEndpoint($endpoint); |
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$this->setParams($params); |
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$this->setETag($eTag); |
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$this->graphVersion = $graphVersion; |
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} |
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/** |
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* Set the access token for this request. |
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* |
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* @param null|AccessToken|string |
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* @param mixed $accessToken |
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* |
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* @return Request |
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*/ |
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public function setAccessToken($accessToken) |
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{ |
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$this->accessToken = $accessToken; |
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if ($accessToken instanceof AccessToken) { |
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$this->accessToken = $accessToken->getValue(); |
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} |
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return $this; |
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} |
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/** |
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* Sets the access token with one harvested from a URL or POST params. |
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* |
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* @param string $accessToken the access token |
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* |
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* @throws SDKException |
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* |
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* @return Request |
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*/ |
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public function setAccessTokenFromParams($accessToken) |
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{ |
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$existingAccessToken = $this->getAccessToken(); |
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if (!$existingAccessToken) { |
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$this->setAccessToken($accessToken); |
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} elseif ($accessToken !== $existingAccessToken) { |
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throw new SDKException('Access token mismatch. The access token provided in the Request and the one provided in the URL or POST params do not match.'); |
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} |
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return $this; |
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} |
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/** |
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* Return the access token for this request. |
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* |
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* @return null|string |
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*/ |
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public function getAccessToken() |
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{ |
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return $this->accessToken; |
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} |
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/** |
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* Return the access token for this request as an AccessToken entity. |
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* |
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* @return null|AccessToken |
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*/ |
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public function getAccessTokenEntity() |
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{ |
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return $this->accessToken ? new AccessToken($this->accessToken) : null; |
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} |
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/** |
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* Set the Application entity used for this request. |
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* |
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* @param null|Application $app |
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*/ |
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public function setApp(Application $app = null) |
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{ |
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$this->app = $app; |
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} |
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/** |
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* Return the Application entity used for this request. |
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* |
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* @return Application |
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*/ |
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public function getApplication() |
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{ |
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return $this->app; |
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} |
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/** |
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* Generate an app secret proof to sign this request. |
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* |
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* @return null|string |
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*/ |
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public function getAppSecretProof() |
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{ |
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if (!$accessTokenEntity = $this->getAccessTokenEntity()) { |
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return null; |
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} |
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return $accessTokenEntity->getAppSecretProof($this->app->getSecret()); |
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} |
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/** |
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* Validate that an access token exists for this request. |
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* |
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* @throws SDKException |
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*/ |
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public function validateAccessToken() |
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{ |
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$accessToken = $this->getAccessToken(); |
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if (!$accessToken) { |
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throw new SDKException('You must provide an access token.'); |
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} |
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} |
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/** |
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* Set the HTTP method for this request. |
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* |
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* @param string |
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* @param mixed $method |
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*/ |
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public function setMethod($method) |
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{ |
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$this->method = strtoupper($method); |
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} |
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/** |
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* Return the HTTP method for this request. |
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* |
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* @return string |
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*/ |
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public function getMethod() |
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{ |
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return $this->method; |
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} |
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/** |
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* Validate that the HTTP method is set. |
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* |
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* @throws SDKException |
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*/ |
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public function validateMethod() |
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{ |
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if (!$this->method) { |
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throw new SDKException('HTTP method not specified.'); |
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} |
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if (!in_array($this->method, ['GET', 'POST', 'DELETE'])) { |
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throw new SDKException('Invalid HTTP method specified.'); |
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} |
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} |
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/** |
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* Set the endpoint for this request. |
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* |
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* @param string |
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* @param mixed $endpoint |
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* |
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* @throws SDKException |
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* |
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* @return Request |
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*/ |
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public function setEndpoint($endpoint) |
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{ |
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// Harvest the access token from the endpoint to keep things in sync |
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$params = UrlManipulator::getParamsAsArray($endpoint); |
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if (isset($params['access_token'])) { |
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$this->setAccessTokenFromParams($params['access_token']); |
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} |
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// Clean the token & app secret proof from the endpoint. |
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$filterParams = ['access_token', 'appsecret_proof']; |
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$this->endpoint = UrlManipulator::removeParamsFromUrl($endpoint, $filterParams); |
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return $this; |
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} |
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/** |
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* Return the endpoint for this request. |
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* |
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* @return string |
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*/ |
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public function getEndpoint() |
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{ |
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// For batch requests, this will be empty |
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return $this->endpoint; |
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} |
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/** |
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* Generate and return the headers for this request. |
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* |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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$headers = static::getDefaultHeaders(); |
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if ($this->eTag) { |
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$headers['If-None-Match'] = $this->eTag; |
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} |
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return array_merge($this->headers, $headers); |
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} |
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/** |
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* Set the headers for this request. |
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* |
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* @param array $headers |
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*/ |
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public function setHeaders(array $headers) |
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{ |
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$this->headers = array_merge($this->headers, $headers); |
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} |
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/** |
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* Sets the eTag value. |
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* |
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* @param string $eTag |
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*/ |
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98 |
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public function setETag($eTag) |
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{ |
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$this->eTag = $eTag; |
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} |
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/** |
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* Set the params for this request. |
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* |
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* @param array $params |
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* |
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* @throws SDKException |
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* |
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* @return Request |
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*/ |
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99 |
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public function setParams(array $params = []) |
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{ |
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99 |
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if (isset($params['access_token'])) { |
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3 |
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$this->setAccessTokenFromParams($params['access_token']); |
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} |
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// Don't let these buggers slip in. |
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98 |
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unset($params['access_token'], $params['appsecret_proof']); |
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340
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// @TODO Refactor code above with this |
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//$params = $this->sanitizeAuthenticationParams($params); |
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98 |
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$params = $this->sanitizeFileParams($params); |
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98 |
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$this->dangerouslySetParams($params); |
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98 |
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return $this; |
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} |
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347
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348
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/** |
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349
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* Set the params for this request without filtering them first. |
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350
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* |
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351
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|
* @param array $params |
|
352
|
|
|
* |
|
353
|
|
|
* @return Request |
|
354
|
|
|
*/ |
|
355
|
98 |
|
public function dangerouslySetParams(array $params = []) |
|
356
|
|
|
{ |
|
357
|
98 |
|
$this->params = array_merge($this->params, $params); |
|
358
|
|
|
|
|
359
|
98 |
|
return $this; |
|
360
|
|
|
} |
|
361
|
|
|
|
|
362
|
|
|
/** |
|
363
|
|
|
* Iterate over the params and pull out the file uploads. |
|
364
|
|
|
* |
|
365
|
|
|
* @param array $params |
|
366
|
|
|
* |
|
367
|
|
|
* @return array |
|
368
|
|
|
*/ |
|
369
|
98 |
|
public function sanitizeFileParams(array $params) |
|
370
|
|
|
{ |
|
371
|
98 |
|
foreach ($params as $key => $value) { |
|
372
|
66 |
|
if ($value instanceof File) { |
|
373
|
10 |
|
$this->addFile($key, $value); |
|
374
|
66 |
|
unset($params[$key]); |
|
375
|
|
|
} |
|
376
|
|
|
} |
|
377
|
|
|
|
|
378
|
98 |
|
return $params; |
|
379
|
|
|
} |
|
380
|
|
|
|
|
381
|
|
|
/** |
|
382
|
|
|
* Add a file to be uploaded. |
|
383
|
|
|
* |
|
384
|
|
|
* @param string $key |
|
385
|
|
|
* @param File $file |
|
386
|
|
|
*/ |
|
387
|
10 |
|
public function addFile($key, File $file) |
|
388
|
|
|
{ |
|
389
|
10 |
|
$this->files[$key] = $file; |
|
390
|
10 |
|
} |
|
391
|
|
|
|
|
392
|
|
|
/** |
|
393
|
|
|
* Removes all the files from the upload queue. |
|
394
|
|
|
*/ |
|
395
|
3 |
|
public function resetFiles() |
|
396
|
|
|
{ |
|
397
|
3 |
|
$this->files = []; |
|
398
|
3 |
|
} |
|
399
|
|
|
|
|
400
|
|
|
/** |
|
401
|
|
|
* Get the list of files to be uploaded. |
|
402
|
|
|
* |
|
403
|
|
|
* @return array |
|
404
|
|
|
*/ |
|
405
|
3 |
|
public function getFiles() |
|
406
|
|
|
{ |
|
407
|
3 |
|
return $this->files; |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
/** |
|
411
|
|
|
* Let's us know if there is a file upload with this request. |
|
412
|
|
|
* |
|
413
|
|
|
* @return bool |
|
414
|
|
|
*/ |
|
415
|
31 |
|
public function containsFileUploads() |
|
416
|
|
|
{ |
|
417
|
31 |
|
return !empty($this->files); |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
/** |
|
421
|
|
|
* Let's us know if there is a video upload with this request. |
|
422
|
|
|
* |
|
423
|
|
|
* @return bool |
|
424
|
|
|
*/ |
|
425
|
13 |
|
public function containsVideoUploads() |
|
426
|
|
|
{ |
|
427
|
13 |
|
foreach ($this->files as $file) { |
|
428
|
8 |
|
if ($file instanceof Video) { |
|
429
|
8 |
|
return true; |
|
430
|
|
|
} |
|
431
|
|
|
} |
|
432
|
|
|
|
|
433
|
11 |
|
return false; |
|
434
|
|
|
} |
|
435
|
|
|
|
|
436
|
|
|
/** |
|
437
|
|
|
* Returns the body of the request as multipart/form-data. |
|
438
|
|
|
* |
|
439
|
|
|
* @return RequestBodyMultipart |
|
440
|
|
|
*/ |
|
441
|
6 |
|
public function getMultipartBody() |
|
442
|
|
|
{ |
|
443
|
6 |
|
$params = $this->getPostParams(); |
|
444
|
|
|
|
|
445
|
6 |
|
return new RequestBodyMultipart($params, $this->files); |
|
446
|
|
|
} |
|
447
|
|
|
|
|
448
|
|
|
/** |
|
449
|
|
|
* Returns the body of the request as URL-encoded. |
|
450
|
|
|
* |
|
451
|
|
|
* @return RequestBodyUrlEncoded |
|
452
|
|
|
*/ |
|
453
|
17 |
|
public function getUrlEncodedBody() |
|
454
|
|
|
{ |
|
455
|
17 |
|
$params = $this->getPostParams(); |
|
456
|
|
|
|
|
457
|
17 |
|
return new RequestBodyUrlEncoded($params); |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
/** |
|
461
|
|
|
* Generate and return the params for this request. |
|
462
|
|
|
* |
|
463
|
|
|
* @return array |
|
464
|
|
|
*/ |
|
465
|
30 |
|
public function getParams() |
|
466
|
|
|
{ |
|
467
|
30 |
|
$params = $this->params; |
|
468
|
|
|
|
|
469
|
30 |
|
$accessToken = $this->getAccessToken(); |
|
470
|
30 |
|
if ($accessToken) { |
|
471
|
30 |
|
$params['access_token'] = $accessToken; |
|
472
|
30 |
|
$params['appsecret_proof'] = $this->getAppSecretProof(); |
|
473
|
|
|
} |
|
474
|
|
|
|
|
475
|
30 |
|
return $params; |
|
476
|
|
|
} |
|
477
|
|
|
|
|
478
|
|
|
/** |
|
479
|
|
|
* Only return params on POST requests. |
|
480
|
|
|
* |
|
481
|
|
|
* @return array |
|
482
|
|
|
*/ |
|
483
|
19 |
|
public function getPostParams() |
|
484
|
|
|
{ |
|
485
|
19 |
|
if ($this->getMethod() === 'POST') { |
|
486
|
13 |
|
return $this->getParams(); |
|
487
|
|
|
} |
|
488
|
|
|
|
|
489
|
9 |
|
return []; |
|
490
|
|
|
} |
|
491
|
|
|
|
|
492
|
|
|
/** |
|
493
|
|
|
* The graph version used for this request. |
|
494
|
|
|
* |
|
495
|
|
|
* @return null|string |
|
496
|
|
|
*/ |
|
497
|
5 |
|
public function getGraphVersion() |
|
498
|
|
|
{ |
|
499
|
5 |
|
return $this->graphVersion; |
|
500
|
|
|
} |
|
501
|
|
|
|
|
502
|
|
|
/** |
|
503
|
|
|
* Generate and return the URL for this request. |
|
504
|
|
|
* |
|
505
|
|
|
* @return string |
|
506
|
|
|
*/ |
|
507
|
22 |
|
public function getUrl() |
|
508
|
|
|
{ |
|
509
|
22 |
|
$this->validateMethod(); |
|
510
|
|
|
|
|
511
|
22 |
|
$graphVersion = UrlManipulator::forceSlashPrefix($this->graphVersion); |
|
512
|
22 |
|
$endpoint = UrlManipulator::forceSlashPrefix($this->getEndpoint()); |
|
513
|
|
|
|
|
514
|
22 |
|
$url = $graphVersion . $endpoint; |
|
515
|
|
|
|
|
516
|
22 |
|
if ($this->getMethod() !== 'POST') { |
|
517
|
12 |
|
$params = $this->getParams(); |
|
518
|
12 |
|
$url = UrlManipulator::appendParamsToUrl($url, $params); |
|
519
|
|
|
} |
|
520
|
|
|
|
|
521
|
22 |
|
return $url; |
|
522
|
|
|
} |
|
523
|
|
|
|
|
524
|
|
|
/** |
|
525
|
|
|
* Return the default headers that every request should use. |
|
526
|
|
|
* |
|
527
|
|
|
* @return array |
|
528
|
|
|
*/ |
|
529
|
20 |
|
public static function getDefaultHeaders() |
|
530
|
|
|
{ |
|
531
|
|
|
return [ |
|
532
|
20 |
|
'User-Agent' => 'fb-php-' . Facebook::VERSION, |
|
533
|
20 |
|
'Accept-Encoding' => '*', |
|
534
|
|
|
]; |
|
535
|
|
|
} |
|
536
|
|
|
} |
|
537
|
|
|
|