/**
* Retrieves the currently logged-in user from the session.
* If the user was not originally retrieved from the database,
* inserts a new one.
* Thus, this can also be used to turn visitors into registered
* users.
*
* @param string $platform
* Currently only supports the value "facebook".
* @param int $app_id
* The id of the app within the specified platform.
* Used for storing app-specific session information.
* @param string $password
* Sometimes, if the authentication isn't to be trusted,
* a password is required. Pass true here to bypass
* password checking and log in the user regardless.
* Otherwise, this string is hashed and tested.
*/
static function authenticate($platform, $app_id = null, $password = null)
{
if (!isset($app_id)) {
$app = Pie_Config::expect('pie', 'app');
$app_id = Pie_Config::expect('users', 'facebookApps', $app, 'appId');
}
$return = null;
$return = Pie::event('users/auth', compact('platform', 'app_id', 'password'), 'before');
if (isset($return)) {
return $return;
}
if (!isset($platform) or $platform != 'facebook') {
throw new Pie_Exception_WrongType(array('field' => 'platform', 'type' => '"facebook"'));
}
if (!isset($app_id)) {
throw new Pie_Exception_WrongType(array('field' => 'app_id', 'type' => 'integer'));
}
Pie_Session::start();
// First, see if we've already logged in somehow
if ($user = self::loggedInUser()) {
// Get logged in user from session
$user_was_logged_in = true;
} else {
// Get an existing user or create a new one
$user = new Users_User();
switch ($platform) {
case 'facebook':
if (!Users::facebook($app_id)) {
return false;
}
if (!Users::facebook($app_id)->user) {
return false;
// no one logged in
}
$user->fb_uid = Users::facebook($app_id)->user;
break;
default:
return false;
// not sure how to log this user in
}
$retrieved = $user->retrieve();
// Now save this user in the session as the logged-in user
self::setLoggedInUser($user);
$session_id = Pie_Session::id();
if ($retrieved) {
// User exists in database. Do we need to update it?
if (!isset($user->session_key) or $user->session_key != $session_id) {
Pie::event('users/authUpdateUser', compact('user'), 'before');
$user->session_key = $session_id;
$user->save();
// update session_key in user
Pie::event('users/authUpdateUser', compact('user'), 'after');
}
} else {
// No user in database. Will insert a new one!
// These users might be shared across apps.
Pie::event('users/authInsertUser', compact('user'), 'before');
$user->session_key = $session_id;
$user->save();
$_SESSION['users']['user'] = $user;
Pie::event('users/authInsertUser', compact('user'), 'after');
$inserted_new_user = true;
}
}
// Now make sure our master session contains the
// session info for the platform app.
if ($platform == 'facebook') {
$fb_prefix = 'fb_sig_';
if (!Users::facebook($app_id)) {
return false;
}
$facebook = Users::facebook($app_id);
if (isset($_SESSION['users']['facebookAppUser'][$app_id])) {
// Facebook app user exists. Do we need to update it? (Probably not!)
$app_user = $_SESSION['users']['facebookAppUser'][$app_id];
$app_user->state = 'added';
if (!isset($app_user->session_key) or $facebook->api_client->session_key != $app_user->session_key) {
Pie::event('users/authUpdateAppUser', compact('user'), 'before');
$app_user->session_key = $facebook->api_client->session_key;
$app_user->save();
// update session_key in app_user
Pie::event('users/authUpdateAppUser', compact('user'), 'after');
}
} else {
// We have to put the session info in
$app_user = new Users_AppUser();
$app_user->user_id = $user->id;
$app_user->platform = 'facebook';
$app_user->app_id = $app_id;
if ($app_user->retrieve()) {
// App user exists in database. Do we need to update it?
if (!isset($app_user->session_key) or $app_user->session_key != $facebook->api_client->session_key) {
Pie::event('users/authUpdateAppUser', compact('user'), 'before');
$app_user->session_key = $facebook->api_client->session_key;
$app_user->save();
// update session_key in app_user
Pie::event('users/authUpdateAppUser', compact('user'), 'after');
}
} else {
$app_user->state = 'added';
$app_user->session_key = $facebook->api_client->session_key;
$app_user->platform_uid = $user->fb_uid;
Pie::event('users/authInsertAppUser', compact('user'), 'before');
$app_user->save();
Pie::event('users/authInsertAppUser', compact('user'), 'after');
}
}
$_SESSION['users']['facebookAppUser'][$app_id] = $app_user;
}
Pie::event('users/auth', compact('platform', 'app_id', 'password'), 'after');
// At this point, $user is set.
return $user;
}
/**
* Retrieves the currently logged-in user from the session.
* If the user was not originally retrieved from the database,
* inserts a new one.
* Thus, this can also be used to turn visitors into registered
* users.
* @method authenticate
* @static
* @param {string} $provider Currently only supports the value "facebook".
* @param {integer} [$appId=null] The id of the app within the specified provider.
* Used for storing app-specific session information.
* @param {&boolean} [$authenticated=null] If authentication fails, puts false here.
* Otherwise, puts one of the following:
* 'registered' if user just registered,
* 'adopted' if a futureUser was just adopted,
* 'connected' if a logged-in user just connected the provider account for the first time,
* 'authorized' if a logged-in user was connected to provider but just authorized this app for the first time
* or true otherwise.
* @param {boolean} [$import_emailAddress=false] If true, and the user's email address is not set yet,
* imports the email address from the provider if it is available,
* and sets it as the user's email address without requiring verification.
* @return {Users_User}
*/
static function authenticate($provider, $appId = null, &$authenticated = null, $import_emailAddress = false)
{
if (!isset($appId)) {
$app = Q_Config::expect('Q', 'app');
$appId = Q_Config::expect('Users', 'facebookApps', $app, 'appId');
}
$authenticated = null;
$during = 'authenticate';
$return = null;
/**
* @event Users/authenticate {before}
* @param {string} provider
* @param {string} appId
* @return {Users_User}
*/
$return = Q::event('Users/authenticate', compact('provider', 'appId'), 'before');
if (isset($return)) {
return $return;
}
if (!isset($provider) or $provider != 'facebook') {
throw new Q_Exception_WrongType(array('field' => 'provider', 'type' => '"facebook"'));
}
if (!isset($appId)) {
throw new Q_Exception_WrongType(array('field' => 'appId', 'type' => 'a valid facebook app id'));
}
Q_Session::start();
// First, see if we've already logged in somehow
if ($user = self::loggedInUser()) {
// Get logged in user from session
$user_was_logged_in = true;
$retrieved = true;
} else {
// Get an existing user or create a new one
$user_was_logged_in = false;
$retrieved = false;
$user = new Users_User();
}
$authenticated = false;
$emailAddress = null;
// Try authenticating the user with the specified provider
switch ($provider) {
case 'facebook':
$facebook = Users::facebook($appId);
if (!$facebook or !$facebook->getUser()) {
// no facebook authentication is happening
return $user_was_logged_in ? $user : false;
}
if (empty($user->emailAddress)) {
$queries = array(array('method' => 'GET', 'relative_url' => '/me/permissions'), array('method' => 'GET', 'relative_url' => '/me'));
$batchResponse = $facebook->api('?batch=' . Q::json_encode($queries), 'POST');
$permissions = json_decode($batchResponse[0]['body'], true);
if (Q::ifset($permissions, 'data', 0, 'email', false)) {
$userData = json_decode($batchResponse[1]['body'], true);
if (!empty($userData['email'])) {
$emailAddress = $userData['email'];
}
}
}
$authenticated = true;
$fb_uid = $facebook->getUser();
$re_save_user = false;
if ($retrieved) {
if (empty($user->fb_uid)) {
// this is a logged-in user who was never authenticated with facebook.
// First, let's find any other user who has authenticated with this facebook uid,
// and set their fb_uid to NULL.
$authenticated = 'connected';
$ui = Users::identify('facebook', $fb_uid);
if ($ui) {
Users_User::update()->set(array('fb_uid' => 0))->where(array('id' => $ui->userId))->execute();
$ui->remove();
}
// Now, let's associate their account with this facebook uid.
$user->fb_uid = $fb_uid;
$user->save();
// Save the identifier in the quick lookup table
$ui = new Users_Identify();
$ui->identifier = "facebook:{$fb_uid}";
$ui->state = 'verified';
$ui->userId = $user->id;
$ui->save(true);
} else {
if ($user->fb_uid !== $fb_uid) {
// The logged-in user was authenticated with facebook already,
// and associated with a different facebook id.
// Most likely, a completely different person has logged into facebook
// at this computer. So rather than changing the associated facebook uid
// for the logged-in user, simply log out and essentially run this function
// from the beginning again.
Users::logout();
$user_was_logged_in = false;
$user = new Users_User();
$retrieved = false;
}
}
}
if (!$retrieved) {
$ui = Users::identify('facebook', $fb_uid, null);
if ($ui) {
$user = new Users_User();
$user->id = $ui->userId;
$exists = $user->retrieve();
if (!$exists) {
throw new Q_Exception("Users_Identify for fb_uid {$fb_uid} exists but not user with id {$ui->userId}");
}
$retrieved = true;
if ($ui->state === 'future') {
$authenticated = 'adopted';
$user->fb_uid = $fb_uid;
$user->signedUpWith = 'facebook';
// should have been "none" before this
/**
* @event Users/adoptFutureUser {before}
* @param {Users_User} user
* @param {string} during
* @return {Users_User}
*/
$ret = Q::event('Users/adoptFutureUser', compact('user', 'during'), 'before');
if ($ret) {
$user = $ret;
}
$user->save();
$ui->state = 'verified';
$ui->save();
/**
* @event Users/adoptFutureUser {after}
* @param {Users_User} user
* @param {array} links
* @param {string} during
* @return {Users_User}
*/
Q::event('Users/adoptFutureUser', compact('user', 'links', 'during'), 'after');
} else {
// If we are here, that simply means that we already verified the
// $fb_uid => $userId mapping for some existing user who signed up
// and has been using the system. So there is nothing more to do besides
// setting this user as the logged-in user below.
}
} else {
// user is logged out and no user corresponding to $fb_uid yet
$authenticated = 'registered';
// If we can import email address from facebook,
// try retrieving it quietly
if ($import_emailAddress) {
// DELAY: The following call may take some time,
// but once the user is saved, it will not happen again
// for this facebook user, because it would be identified by fb_uid
$userData = $facebook->api('/me');
if (!empty($userData['email'])) {
$emailAddress = $userData['email'];
}
Users::$cache['facebookUserData'] = $userData;
}
if (!empty($emailAddress)) {
$ui = Users::identify('email', $emailAddress, 'verified');
if ($ui) {
// existing user identified from verified email address
// load it into $user
$user = new Users_User();
$user->id = $ui->userId;
$user->retrieve(null, null, true)->caching()->resume();
}
}
$user->fb_uid = $fb_uid;
/**
* @event Users/insertUser {before}
* @param {Users_User} user
* @param {string} during
* @return {Users_User}
*/
$ret = Q::event('Users/insertUser', compact('user', 'during'), 'before');
if (isset($ret)) {
$user = $ret;
}
if (!$user->wasRetrieved()) {
// Register a new user basically and give them an empty username for now
$user->username = "";
$user->icon = 'default';
$user->signedUpWith = 'facebook';
$user->save();
// Save the identifier in the quick lookup table
$ui = new Users_Identify();
$ui->identifier = "facebook:{$fb_uid}";
$ui->state = 'verified';
$ui->userId = $user->id;
$ui->save(true);
// Download and save facebook icon for the user
$sizes = Q_Config::expect('Users', 'icon', 'sizes');
sort($sizes);
$icon = array();
foreach ($sizes as $size) {
$parts = explode('x', $size);
$width = Q::ifset($parts, 0, '');
$height = Q::ifset($parts, 1, '');
$width = $width ? $width : $height;
$height = $height ? $height : $width;
$icon["{$size}.png"] = "https://graph.facebook.com/{$fb_uid}/picture?width={$width}&height={$height}";
}
if (!Q_Config::get('Users', 'register', 'icon', 'leaveDefault', false)) {
self::importIcon($user, $icon);
$user->save();
}
}
}
}
Users::$cache['user'] = $user;
Users::$cache['authenticated'] = $authenticated;
// Checking if user email is not set, and we have facebook "email" permission,
// try retrieving it from facebook and verifying the email for the user
if (!empty($emailAddress)) {
$emailSubject = Q_Config::get('Users', 'transactional', 'authenticated', 'subject', false);
$emailView = Q_Config::get('Users', 'transactional', 'authenticated', 'body', false);
if ($emailSubject !== false and $emailView) {
$user->addEmail($emailAddress, $emailSubject, $emailView);
}
// After this, we automatically verify their email,
// even if they never clicked the confirmation link,
// because we trust the authentication provider.
$user->setEmailAddress($emailAddress, true);
}
break;
default:
// not sure how to log this user in
return $user_was_logged_in ? $user : false;
}
if (!$user_was_logged_in) {
self::setLoggedInUser($user);
}
if ($retrieved) {
/**
* @event Users/updateUser {after}
* @param {Users_User} user
* @param {string} during
*/
Q::event('Users/updateUser', compact('user', 'during'), 'after');
} else {
/**
* @event Users/insertUser {after}
* @param {string} during
* @param {Users_User} 'user'
*/
Q::event('Users/insertUser', compact('user', 'during'), 'after');
}
// Now make sure our master session contains the
// session info for the provider app.
if ($provider == 'facebook') {
$access_token = $facebook->getAccessToken();
if (isset($_SESSION['Users']['appUsers']['facebook_' . $appId])) {
// Facebook app user exists. Do we need to update it? (Probably not!)
$pk = $_SESSION['Users']['appUsers']['facebook_' . $appId];
$app_user = Users_AppUser::select('*')->where($pk)->fetchDbRow();
if (empty($app_user)) {
// somehow this app_user disappeared from the database
throw new Q_Exception_MissingRow(array('table' => 'AppUser', 'criteria' => http_build_query($pk, null, ' & ')));
}
if (empty($app_user->state) or $app_user->state !== 'added') {
$app_user->state = 'added';
}
if (!isset($app_user->access_token) or $access_token != $app_user->access_token) {
/**
* @event Users/authenticate/updateAppUser {before}
* @param {Users_User} user
*/
Q::event('Users/authenticate/updateAppUser', compact('user', 'app_user'), 'before');
$app_user->access_token = $access_token;
$app_user->save();
// update access_token in app_user
/**
* @event Users/authenticate/updateAppUser {after}
* @param {Users_User} user
*/
Q::event('Users/authenticate/updateAppUser', compact('user', 'app_user'), 'after');
}
} else {
// We have to put the session info in
$app_user = new Users_AppUser();
$app_user->userId = $user->id;
$app_user->provider = 'facebook';
$app_user->appId = $appId;
if ($app_user->retrieve()) {
// App user exists in database. Do we need to update it?
if (!isset($app_user->access_token) or $app_user->access_token != $access_token) {
/**
* @event Users/authenticate/updateAppUser {before}
* @param {Users_User} user
*/
Q::event('Users/authenticate/updateAppUser', compact('user', 'app_user'), 'before');
$app_user->access_token = $access_token;
$app_user->save();
// update access_token in app_user
/**
* @event Users/authenticate/updateAppUser {after}
* @param {Users_User} user
*/
Q::event('Users/authenticate/updateAppUser', compact('user', 'app_user'), 'after');
}
} else {
if (empty($app_user->state) or $app_user->state !== 'added') {
$app_user->state = 'added';
}
$app_user->access_token = $access_token;
$app_user->provider_uid = $user->fb_uid;
/**
* @event Users/insertAppUser {before}
* @param {Users_User} user
* @param {string} 'during'
*/
Q::event('Users/insertAppUser', compact('user', 'during'), 'before');
// The following may update an existing app_user row
// in the rare event that someone tries to tie the same
// provider account to two different accounts.
// A provider account can only reference one account, so the
// old connection will be dropped, and the new connection saved.
$app_user->save(true);
/**
* @event Users/authenticate/insertAppUser {after}
* @param {Users_User} user
*/
Q::event('Users/authenticate/insertAppUser', compact('user'), 'after');
$authenticated = 'authorized';
}
}
$_SESSION['Users']['appUsers']['facebook_' . $appId] = $app_user->getPkValue();
}
Users::$cache['authenticated'] = $authenticated;
/**
* @event Users/authenticate {after}
* @param {string} provider
* @param {string} appId
*/
Q::event('Users/authenticate', compact('provider', 'appId'), 'after');
// At this point, $user is set.
return $user;
}
function Users_importContacts_providers_yahoo($params)
{
#Url fetching function
$fetch = function ($url) use($params) {
/** @var $client Zend_Oauth_Client */
$client = $params['client'];
$client->setUri($url);
$client->setParameterGet('format', 'json');
$response = $client->request(Zend_Http_Client::GET);
if ($response->getStatus() != 200) {
#TODO: Should we only throw Users_Exception_OAuthTokenInvalid on error 401?
throw new Users_Exception_OAuthTokenInvalid();
}
return $response->getBody();
};
#Find out user's Yahoo GUID
#Do we have the GUID saved?
$cu = Users::loggedInUser();
$user = new Users_AppUser();
$user->userId = $cu->id;
$user->provider = 'yahoo';
$user->appId = Q_Config::expect('Users', 'oAuthProviders', 'yahoo', 'appId');
$user->retrieve('*', true);
if (!empty($user->provider_uid)) {
#We have user's Yahoo GUID saved
$guid = $user->provider_uid;
} else {
$guidjson = json_decode($fetch('http://social.yahooapis.com/v1/me/guid'));
$guid = $guidjson->guid->value;
$user->provider_uid = $guid;
$user->save(true);
}
#Request contacts
$res = json_decode($fetch("http://social.yahooapis.com/v1/user/{$guid}/contacts"));
echo '<pre>';
foreach ($res->contacts->contact as $c) {
$givenName = null;
$familyName = null;
$nickName = null;
$email = null;
$groups = array();
foreach ($c->fields as $f) {
switch ($f->type) {
case 'nickname':
$nickName = $f->value;
break;
case 'email':
if (empty($email)) {
$email = $f->value;
}
break;
case 'name':
if (!empty($f->value->givenName)) {
$givenName = $f->value->givenName;
}
if (!empty($f->value->familyName)) {
$familyName = $f->value->familyName;
}
break;
}
}
if (!$email) {
continue;
}
#Detect groups
foreach ($c->categories as $g) {
$groups[] = $g->name;
}
#Save user
$alr = Users::addLink($email, 'email', array('firstName' => $givenName, 'lastName' => $familyName, 'labels' => $groups));
echo $givenName . ($familyName ? ' ' . $familyName : '') . ' [' . $email . ']' . ($groups ? ' (' . implode(', ', $groups) . ')' : '') . ' -> ' . ($alr === true ? 'ADDED' : ($alr ? 'EXISTS: ' . $alr : 'EXISTS')) . PHP_EOL;
}
return true;
}
