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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\Authentication; |
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/** |
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* @package Facebook |
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*/ |
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class AccessToken |
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{ |
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/** |
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* The access token value. |
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* |
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* @var string |
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*/ |
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protected $value = ''; |
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/** |
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* Date when token expires. |
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* |
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* @var null|\DateTime |
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*/ |
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protected $expiresAt; |
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/** |
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* Create a new access token entity. |
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* |
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* @param string $accessToken |
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* @param int $expiresAt |
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*/ |
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public function __construct($accessToken, $expiresAt = 0) |
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{ |
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$this->value = $accessToken; |
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if ($expiresAt) { |
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$this->setExpiresAtFromTimeStamp($expiresAt); |
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} |
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} |
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/** |
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* Generate an app secret proof to sign a request to Graph. |
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* |
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* @param string $appSecret the app secret |
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* |
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* @return string |
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*/ |
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public function getAppSecretProof($appSecret) |
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{ |
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return hash_hmac('sha256', $this->value, $appSecret); |
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} |
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/** |
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* Getter for expiresAt. |
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* |
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* @return null|\DateTime |
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*/ |
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public function getExpiresAt() |
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{ |
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return $this->expiresAt; |
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} |
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/** |
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* Determines whether or not this is an app access token. |
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* |
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* @return bool |
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*/ |
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public function isAppAccessToken() |
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{ |
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return strpos($this->value, '|') !== false; |
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} |
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/** |
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* Determines whether or not this is a long-lived token. |
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* |
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* @return bool |
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*/ |
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public function isLongLived() |
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{ |
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if ($this->expiresAt) { |
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return $this->expiresAt->getTimestamp() > time() + (60 * 60 * 2); |
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} |
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return $this->isAppAccessToken(); |
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} |
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/** |
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* Checks the expiration of the access token. |
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* |
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* @return null|bool |
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*/ |
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public function isExpired() |
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{ |
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if ($this->getExpiresAt() instanceof \DateTime) { |
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return $this->getExpiresAt()->getTimestamp() < time(); |
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} |
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if ($this->isAppAccessToken()) { |
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return false; |
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} |
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return null; |
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} |
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/** |
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* Returns the access token as a string. |
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* |
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* @return string |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* Returns the access token as a string. |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->getValue(); |
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} |
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/** |
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* Setter for expires_at. |
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* |
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* @param int $timeStamp |
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*/ |
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protected function setExpiresAtFromTimeStamp($timeStamp) |
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{ |
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$dt = new \DateTime(); |
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$dt->setTimestamp($timeStamp); |
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$this->expiresAt = $dt; |
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} |
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} |
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facebook /
php-graph-sdk
