161 lines
3.7 KiB
PHP
Executable File
161 lines
3.7 KiB
PHP
Executable File
<?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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*/
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namespace Facebook\Authentication;
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/**
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* Class AccessToken
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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 \DateTime|null
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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 \DateTime|null
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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 $this->expiresAt->getTimestamp() > time() + (60 * 60 * 2);
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}
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if ($this->isAppAccessToken()) {
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return true;
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}
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return false;
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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 boolean|null
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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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