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- <?php
- /*!
- * HybridAuth
- * http://hybridauth.sourceforge.net | http://github.com/hybridauth/hybridauth
- * (c) 2009-2012, HybridAuth authors | http://hybridauth.sourceforge.net/licenses.html
- */
- /**
- * Hybrid_Providers_Facebook provider adapter based on OAuth2 protocol
- *
- * Hybrid_Providers_Facebook use the Facebook PHP SDK created by Facebook
- *
- * http://hybridauth.sourceforge.net/userguide/IDProvider_info_Facebook.html
- */
- class Hybrid_Providers_Facebook extends Hybrid_Provider_Model
- {
- // default permissions, and alot of them. You can change them from the configuration by setting the scope to what you want/need
- public $scope = "email, user_about_me, user_birthday, user_hometown, user_website, read_stream, offline_access, publish_stream, read_friendlists";
- /**
- * IDp wrappers initializer
- */
- function initialize()
- {
- if ( ! $this->config["keys"]["id"] || ! $this->config["keys"]["secret"] ){
- throw new Exception( "Your application id and secret are required in order to connect to {$this->providerId}.", 4 );
- }
- if ( ! class_exists('FacebookApiException', false) ) {
- require_once Hybrid_Auth::$config["path_libraries"] . "Facebook/base_facebook.php";
- require_once Hybrid_Auth::$config["path_libraries"] . "Facebook/facebook.php";
- }
- $this->api = new Facebook( ARRAY( 'appId' => $this->config["keys"]["id"], 'secret' => $this->config["keys"]["secret"] ) );
- if ( $this->token("access_token") ) {
- $this->api->setAccessToken( $this->token("access_token") );
- $this->api->setExtendedAccessToken();
- $access_token = $this->api->getAccessToken();
- if( $access_token ){
- $this->token("access_token", $access_token );
- $this->api->setAccessToken( $access_token );
- }
- $this->api->setAccessToken( $this->token("access_token") );
- }
- $this->api->getUser();
- }
- /**
- * begin login step
- *
- * simply call Facebook::require_login().
- */
- function loginBegin()
- {
- $parameters = array("scope" => $this->scope, "redirect_uri" => $this->endpoint, "display" => "page");
- $optionals = array("scope", "redirect_uri", "display");
- foreach ($optionals as $parameter){
- if( isset( $this->config[$parameter] ) && ! empty( $this->config[$parameter] ) ){
- $parameters[$parameter] = $this->config[$parameter];
- }
- }
- // get the login url
- $url = $this->api->getLoginUrl( $parameters );
- // redirect to facebook
- Hybrid_Auth::redirect( $url );
- }
- /**
- * finish login step
- */
- function loginFinish()
- {
- // in case we get error_reason=user_denied&error=access_denied
- if ( isset( $_REQUEST['error'] ) && $_REQUEST['error'] == "access_denied" ){
- throw new Exception( "Authentication failed! The user denied your request.", 5 );
- }
- // try to get the UID of the connected user from fb, should be > 0
- if ( ! $this->api->getUser() ){
- throw new Exception( "Authentication failed! {$this->providerId} returned an invalid user id.", 5 );
- }
- // set user as logged in
- $this->setUserConnected();
- // store facebook access token
- $this->token( "access_token", $this->api->getAccessToken() );
- }
- /**
- * logout
- */
- function logout()
- {
- $this->api->destroySession();
- parent::logout();
- }
- /**
- * load the user profile from the IDp api client
- */
- function getUserProfile()
- {
- // request user profile from fb api
- try{
- $data = $this->api->api('/me');
- }
- catch( FacebookApiException $e ){
- throw new Exception( "User profile request failed! {$this->providerId} returned an error: $e", 6 );
- }
- // if the provider identifier is not recived, we assume the auth has failed
- if ( ! isset( $data["id"] ) ){
- throw new Exception( "User profile request failed! {$this->providerId} api returned an invalid response.", 6 );
- }
- # store the user profile.
- $this->user->profile->identifier = (array_key_exists('id',$data))?$data['id']:"";
- $this->user->profile->displayName = (array_key_exists('name',$data))?$data['name']:"";
- $this->user->profile->firstName = (array_key_exists('first_name',$data))?$data['first_name']:"";
- $this->user->profile->lastName = (array_key_exists('last_name',$data))?$data['last_name']:"";
- $this->user->profile->photoURL = "https://graph.facebook.com/" . $this->user->profile->identifier . "/picture?type=square";
- $this->user->profile->profileURL = (array_key_exists('link',$data))?$data['link']:"";
- $this->user->profile->webSiteURL = (array_key_exists('website',$data))?$data['website']:"";
- $this->user->profile->gender = (array_key_exists('gender',$data))?$data['gender']:"";
- $this->user->profile->description = (array_key_exists('bio',$data))?$data['bio']:"";
- $this->user->profile->email = (array_key_exists('email',$data))?$data['email']:"";
- $this->user->profile->emailVerified = (array_key_exists('email',$data))?$data['email']:"";
- $this->user->profile->region = (array_key_exists("hometown",$data)&&array_key_exists("name",$data['hometown']))?$data['hometown']["name"]:"";
- if( array_key_exists('birthday',$data) ) {
- list($birthday_month, $birthday_day, $birthday_year) = explode( "/", $data['birthday'] );
- $this->user->profile->birthDay = (int) $birthday_day;
- $this->user->profile->birthMonth = (int) $birthday_month;
- $this->user->profile->birthYear = (int) $birthday_year;
- }
- return $this->user->profile;
- }
- /**
- * load the user contacts
- */
- function getUserContacts()
- {
- try{
- $response = $this->api->api('/me/friends');
- }
- catch( FacebookApiException $e ){
- throw new Exception( "User contacts request failed! {$this->providerId} returned an error: $e" );
- }
- if( ! $response || ! count( $response["data"] ) ){
- return ARRAY();
- }
- $contacts = ARRAY();
- foreach( $response["data"] as $item ){
- $uc = new Hybrid_User_Contact();
- $uc->identifier = (array_key_exists("id",$item))?$item["id"]:"";
- $uc->displayName = (array_key_exists("name",$item))?$item["name"]:"";
- $uc->profileURL = "https://www.facebook.com/profile.php?id=" . $uc->identifier;
- $uc->photoURL = "https://graph.facebook.com/" . $uc->identifier . "/picture?type=square";
- $contacts[] = $uc;
- }
- return $contacts;
- }
- /**
- * update user status
- */
- function setUserStatus( $status )
- {
- $parameters = array();
- if( is_array( $status ) ){
- $parameters = $status;
- }
- else{
- $parameters["message"] = $status;
- }
- try{
- $response = $this->api->api( "/me/feed", "post", $parameters );
- }
- catch( FacebookApiException $e ){
- throw new Exception( "Update user status failed! {$this->providerId} returned an error: $e" );
- }
- }
- /**
- * load the user latest activity
- * - timeline : all the stream
- * - me : the user activity only
- */
- function getUserActivity( $stream )
- {
- try{
- if( $stream == "me" ){
- $response = $this->api->api( '/me/feed' );
- }
- else{
- $response = $this->api->api('/me/home');
- }
- }
- catch( FacebookApiException $e ){
- throw new Exception( "User activity stream request failed! {$this->providerId} returned an error: $e" );
- }
- if( ! $response || ! count( $response['data'] ) ){
- return ARRAY();
- }
- $activities = ARRAY();
- foreach( $response['data'] as $item ){
- if( $stream == "me" && $item["from"]["id"] != $this->api->getUser() ){
- continue;
- }
- $ua = new Hybrid_User_Activity();
- $ua->id = (array_key_exists("id",$item))?$item["id"]:"";
- $ua->date = (array_key_exists("created_time",$item))?strtotime($item["created_time"]):"";
- if( $item["type"] == "video" ){
- $ua->text = (array_key_exists("link",$item))?$item["link"]:"";
- }
- if( $item["type"] == "link" ){
- $ua->text = (array_key_exists("link",$item))?$item["link"]:"";
- }
- if( empty( $ua->text ) && isset( $item["story"] ) ){
- $ua->text = (array_key_exists("link",$item))?$item["link"]:"";
- }
- if( empty( $ua->text ) && isset( $item["message"] ) ){
- $ua->text = (array_key_exists("message",$item))?$item["message"]:"";
- }
- if( ! empty( $ua->text ) ){
- $ua->user->identifier = (array_key_exists("id",$item["from"]))?$item["from"]["id"]:"";
- $ua->user->displayName = (array_key_exists("name",$item["from"]))?$item["from"]["name"]:"";
- $ua->user->profileURL = "https://www.facebook.com/profile.php?id=" . $ua->user->identifier;
- $ua->user->photoURL = "https://graph.facebook.com/" . $ua->user->identifier . "/picture?type=square";
- $activities[] = $ua;
- }
- }
- return $activities;
- }
- }
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