116 lines
3.7 KiB
PHP
116 lines
3.7 KiB
PHP
<?php
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require_once NSL_PATH . '/includes/oauth2.php';
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class NextendSocialProviderFacebookClient extends NextendSocialOauth2 {
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const DEFAULT_GRAPH_VERSION = 'v19.0';
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private $isTest = false;
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protected $access_token_data = array(
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'access_token' => '',
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'expires_in' => -1,
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'created' => -1
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);
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protected $scopes = array(
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'public_profile',
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'email'
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);
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public function __construct($providerID, $isTest) {
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$this->isTest = $isTest;
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parent::__construct($providerID);
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$this->endpointAccessToken = 'https://graph.facebook.com/' . self::DEFAULT_GRAPH_VERSION . '/oauth/access_token';
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$this->endpointRestAPI = 'https://graph.facebook.com/' . self::DEFAULT_GRAPH_VERSION . '/';
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}
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public function getEndpointAuthorization() {
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$endpointAuthorization = 'https://www.facebook.com/';
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if (!empty($_SERVER['HTTP_USER_AGENT'])) {
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if (preg_match('/Android|iPhone|iP[ao]d|Mobile/', $_SERVER['HTTP_USER_AGENT'])) {
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$endpointAuthorization = 'https://m.facebook.com/';
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}
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}
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$endpointAuthorization .= self::DEFAULT_GRAPH_VERSION . '/dialog/oauth';
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if ((isset($_GET['display']) && $_GET['display'] == 'popup') || $this->isTest) {
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$endpointAuthorization .= '?display=popup';
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}
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return $endpointAuthorization;
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}
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protected function formatScopes($scopes) {
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return implode(',', $scopes);
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}
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public function isAccessTokenLongLived() {
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return isset($this->access_token_data['expires_in']) ? ($this->access_token_data['created'] + $this->access_token_data['expires_in'] > time() + (60 * 60 * 2)) : true;
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}
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/**
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* @return false|string
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* @throws Exception
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*/
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public function requestLongLivedAccessToken() {
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$http_args = array(
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'timeout' => 15,
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'user-agent' => 'WordPress',
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'body' => array(
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'grant_type' => 'fb_exchange_token',
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'client_id' => $this->client_id,
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'client_secret' => $this->client_secret,
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'fb_exchange_token' => $this->access_token_data['access_token']
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)
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);
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$request = wp_remote_get($this->endpointAccessToken, $this->extendAllHttpArgs($http_args));
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if (is_wp_error($request)) {
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throw new NSLSanitizedRequestErrorMessageException($request->get_error_message());
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} else if (wp_remote_retrieve_response_code($request) !== 200) {
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$this->errorFromResponse(json_decode(wp_remote_retrieve_body($request), true));
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}
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$accessTokenData = json_decode(wp_remote_retrieve_body($request), true);
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if (!is_array($accessTokenData)) {
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throw new NSLSanitizedRequestErrorMessageException(sprintf(__('Unexpected response: %s', 'nextend-facebook-connect'), wp_remote_retrieve_body($request)));
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}
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$accessTokenData['created'] = time();
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$this->access_token_data = $accessTokenData;
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return wp_json_encode($accessTokenData);
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}
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protected function errorFromResponse($response) {
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if (isset($response['error'])) {
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throw new NSLSanitizedRequestErrorMessageException($response['error']['message']);
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}
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}
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protected function extendAllHttpArgs($http_args) {
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$http_args['body']['appsecret_proof'] = hash_hmac('sha256', $this->getAccessToken(), $this->client_secret);
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return $http_args;
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}
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protected function getAccessToken() {
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if (!empty($this->access_token_data['access_token'])) {
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return $this->access_token_data['access_token'];
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}
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return $this->client_id;
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}
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} |