public static function newInstance()
{
if (!self::$instance instanceof self) {
self::$instance = new self();
}
return self::$instance;
}
public function getFacebookData($fbProfiles)
{
if (count($fbProfiles) > 0) {
$accessTokenData = RedSocialStreamHelper::getFacebookAccessToken();
include_once JPATH_COMPONENT . '/helpers/facebook/user.php';
$fbUser = new FacebookUser();
$fbDataList = array();
foreach ($fbProfiles as $key => $profile) {
if (isset($accessTokenData->access_token) && !empty($accessTokenData->access_token)) {
$fbFeedList = $fbUser->getFeeds($profile['title'], $accessTokenData->access_token);
if (!empty($fbFeedList->data) && count($fbFeedList->data) > 0) {
foreach ($fbFeedList->data as $feed) {
$fbDataList[$profile['id']]['data'] = $feed;
$fbDataList[$profile['id']]['created_time'] = strtotime($feed->created_time);
$fbDataList[$profile['id']]['type'] = FACEBOOK;
$fbDataList[$profile['id']]['ext_post_name'] = addslashes($feed->from->name);
$fbDataList[$profile['id']]['ext_profile_id'] = addslashes($feed->from->id);
$fbDataList[$profile['id']]['ext_post_id'] = addslashes($feed->id);
$fbDataList[$profile['id']]['message'] = "";
if (isset($feed->message)) {
$fbDataList[$profile['id']]['message'] = $feed->message;
}
if (isset($feed->story)) {
$fbDataList[$profile['id']]['message'] .= $feed->story;
}
if (isset($fbDataList[$profile['id']]['message'])) {
preg_match_all('/(http|https)\\:\\/\\/[a-zA-Z0-9\\-\\.]+\\.[a-zA-Z]{2,3}[^<]*/', str_replace("\n", "<br />", $fbDataList[$profile['id']]['message']), $out, PREG_PATTERN_ORDER);
foreach ($out[0] as $link) {
$fbDataList[$profile['id']]['message'] = str_replace($link, "<a href=\"" . $link . "\">" . $link . "</a>", $fbDataList[$profile['id']]['message']);
}
}
if (isset($feed->picture)) {
$fbDataList[$profile['id']]['message'] .= "<div class=\"description_image facebook\">";
$fbDataList[$profile['id']]['message'] .= "<img src=\"" . $feed->picture . "\">";
$fbDataList[$profile['id']]['message'] .= "</div>";
}
$fbDataList[$profile['id']]['message'] = addslashes($fbDataList[$profile['id']]['message']);
$fbDataList[$profile['id']]['title'] = '';
$fbDataList[$profile['id']]['source_link'] = "kildelink";
$fbDataList[$profile['id']]['created_time'] = date("Y-m-d H:i:s", strtotime($feed->created_time));
$fbDataList[$profile['id']]['duration'] = '';
$fbDataList[$profile['id']]['profile_id'] = $key;
$fbDataList[$profile['id']]['group_id'] = $profile['group_id'];
$fbDataList[$profile['id']]['published'] = 1;
$fbDataList[$profile['id']]['thumb_uri'] = '';
}
}
}
}
return $fbDataList;
}
}
public function getUser($login)
{
if (empty($login)) {
return new AnonymousUser();
}
//use the cache if available. Don't use the cache for the special me user
if ($this->useCache && $login != 'me') {
$cacheFilename = "user_$login";
if ($this->cache === NULL) {
$this->cache = new DiskCache(CACHE_DIR . "/Facebook", $this->cacheLifetime, TRUE);
$this->cache->setSuffix('.json');
$this->cache->preserveFormat();
}
if ($this->cache->isFresh($cacheFilename)) {
$data = $this->cache->read($cacheFilename);
} else {
//get the data
$url = sprintf("https://graph.facebook.com/%s?%s", $login, http_build_query(array(
'fields'=>'id,first_name,last_name,email,picture,gender',
'access_token'=>$this->access_token
)));
if ($data = @file_get_contents($url)) {
$this->cache->write($data, $cacheFilename);
}
}
} else {
//get the data
$url = sprintf("https://graph.facebook.com/%s?%s", $login, http_build_query(array(
'fields'=>'id,first_name,last_name,email,picture,gender',
'access_token'=>$this->access_token
)));
$data = @file_get_contents($url);
}
if ($data) {
$json = @json_decode($data, true);
if (isset($json['id'])) {
$user = new FacebookUser($this);
$user->setUserID($json['id']);
$user->setFirstName($json['first_name']);
$user->setLastName($json['last_name']);
if (isset($json['email'])) {
$user->setEmail($json['email']);
}
return $user;
}
}
return false;
}
public function authenticate(CakeRequest $request, CakeResponse $response)
{
$this->loadSettings();
$session = new CakeSession();
if (isset($request->query) && isset($request->query['code']) && isset($request->query['state'])) {
if ($request->query['state'] == $session->read('state')) {
$token_url = "https://graph.facebook.com/oauth/access_token?" . "client_id=" . $this->settings["app_id"] . "&redirect_uri=" . urlencode($this->settings["url"]) . "&client_secret=" . $this->settings["app_secret"] . "&code=" . $request->query['code'];
//TODO: use cake method to make request
$response = file_get_contents($token_url);
$params = null;
parse_str($response, $params);
if (isset($params['access_token'])) {
// Saves acces_token in Session
//TODO: use cake method to save in session
$_SESSION['access_token'] = $params['access_token'];
// Get's user data from Facebook
App::uses('FacebookUser', 'Facebook.Model');
$FacebookUser = new FacebookUser();
$FacebookUser->recursive = -1;
$fb_user = $FacebookUser->getLoginData();
// Checks if user exists, if not saves it in db
App::uses('User', 'Model');
$User = new User();
$user = $User->find("first", array("conditions" => array("User.uid" => $fb_user['FacebookUser']['uid'])));
if (empty($user)) {
$user = $FacebookUser->parseDataForDb($fb_user);
$User->create();
$User->save($user);
$user["User"]["id"] = $User->getLastInsertID();
}
return $user["User"];
}
}
}
return false;
}
/**
* Returns true if the specified Facebook user (default to current one) can
* edit properties for the application. The user must be an administrator
* or developer of the app and must also be an administrator of the wiki.
*/
function canEdit($fbUser = NULL)
{
global $facebook, $wgUser;
if (!$fbUser instanceof FacebookUser) {
$fbUser = new FacebookUser();
}
// First, check MediaWiki permissions. Then check with Facebook
if ($fbUser->getMWUser()->getId() == 0 || $fbUser->getMWUser()->getId() != $wgUser->getId()) {
return false;
}
// If $wgFbUserRightsFromGroups is set, this should trigger a group check
$groups = $fbUser->getMWUser()->getEffectiveGroups();
if (!in_array('sysop', $groups) && !in_array('fb-admin', $groups)) {
return false;
}
// Check that the Facebook user has a development role with the application
$roles = $this->getRoles();
if (!in_array($fbUser->getId(), $roles['administrators']) && !in_array($fbUser->getId(), $roles['developers'])) {
return false;
}
return true;
}
function insert_facebook_user_data($userId, $facebookId)
{
FacebookUser::newInstance()->insertFacebookUserData($userId, $facebookId);
}
/**
* If $wgFbDisableLogin is set, make sure the user gets logged out if their
* Facebook session is destroyed.
*
* This hook was added in MediaWiki 1.14.
*/
static function UserLoadAfterLoadFromSession($user)
{
global $wgFbDisableLogin;
// Don't mess with authentication on Special:Connect
$title = $user->getSkin()->getTitle();
if (!empty($wgFbDisableLogin) && $user->isLoggedIn() && $title instanceof Title && !$title->isSpecial('Connect')) {
$fbUser = new FacebookUser();
// If possible, force a preemptive ping to Facebook's servers. Otherwise, we
// must wait until the next page view to pick up the user's Facebook login status
#$fbUser->isLoggedIn($ping = true);
if (!$fbUser->isLoggedIn() || $user->getId() != $fbUser->getMWUser()->getId()) {
$user->logout();
}
}
return true;
}
private function parseUser($entry)
{
$user = new FacebookUser();
$user->setUserID($entry['id']);
$user->setName($entry['name']);
$user->setImageURL(ImageLoader::cacheImage('https://graph.facebook.com/' . $entry['id'] . '/picture?type=square', array()));
return $user;
}
public function execute()
{
global $wgFbStreamlineLogin;
if (!empty($wgFbStreamlineLogin)) {
$params = $this->extractRequestParams();
$fbUser = new FacebookUser($params['id']);
$id = $fbUser->getMWUser()->getId();
if ($id) {
//wfLoadExtensionMessages('Facebook'); // Deprecated since 1.16
$specialConnect = new SpecialConnect();
$this->getResult()->addValue(null, null, $specialConnect->getLogoutAndContinueForm($params, $id));
} else {
// TODO: Add a LogoutAndCreateNewUser form to SpecialConnect.php. For
// now, return an empty response to send user to Special:Connect
// (which displays an error message).
}
}
}
/**
* Remove the watch action from the user's Timeline when they unwatch an
* article.
*/
public static function UnwatchArticleComplete(&$user, &$article)
{
global $facebook;
if (self::getAction('watch')) {
$fbUser = new FacebookUser();
if ($fbUser->getMWUser()->getId() == $user->getId()) {
$object = FacebookOpenGraph::newObjectFromTitle($article->getTitle());
try {
self::removeAction('watch', $object);
} catch (FacebookApiException $e) {
// echo $e->getType() . ": " . $e->getMessage() . "<br/>\n";
}
}
}
return true;
}
/**
* This error page is shown when the user logs in to Facebook, but the
* Facebook account is associated with a different user.
*
* A precondition is that a different MediaWiki user is logged in. So, ask
* them to log out and continue.
*
* TODO: But what about the case where a Facebook user is logged in, but
* not as a wiki user, and then logs into the wiki with the wrong account?
*/
private function logoutAndContinueView($userId)
{
global $wgOut;
$wgOut->setPageTitle(wfMsg('facebook-logout-and-continue'));
$fbUser = new FacebookUser();
$userinfo = $fbUser->getUserInfo();
$form = $this->getLogoutAndContinueForm($userinfo, $userId);
// TODO
//$form .= '<p>Not $userId? Log in as a different facebook user...</p>';
$wgOut->addHTML($form . "<br/>\n");
// Render the "Return to" text retrieved from the URL
$wgOut->returnToMain(false, $this->mReturnTo, $this->mReturnToQuery);
}
/**
* Generates a unique username for a wiki account based on the prefix specified
* in the message 'facebook-usernameprefix'. The number appended is equal to
* the number of Facebook Connect to user ID associations in the user_fbconnect
* table, so quite a few numbers will be skipped. However, this approach is
* more scalable. For smaller wiki installations, uncomment the line $i = 1 to
* have consecutive usernames starting at 1.
*/
static function generateUserName()
{
// Because $i is incremented the first time through the while loop
$i = FacebookDB::countUsers();
// rough estimate
$max = $i + 100;
while ($i < PHP_INT_MAX && $i < $max) {
$name = self::getUserNamePrefix() . $i;
if (FacebookUser::userNameOK($name)) {
return $name;
}
++$i;
}
return $prefix;
}
