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<?php
/* !
* HybridAuth
* http://hybridauth.sourceforge.net | http://github.com/hybridauth/hybridauth
* (c) 2009-2015, HybridAuth authors | http://hybridauth.sourceforge.net/licenses.html
*/
/**
* Hybrid_Providers_Google provider adapter based on OAuth2 protocol
*
* http://hybridauth.sourceforge.net/userguide/IDProvider_info_Google.html
*/
class Hybrid_Providers_Google extends Hybrid_Provider_Model_OAuth2 {
/**
* > more infos on google APIs: http://developer.google.com (official site)
* or here: http://discovery-check.appspot.com/ (unofficial but up to date)
* default permissions
* {@inheritdoc}
*/
public $scope = "https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email https://www.google.com/m8/feeds/";
/**
* {@inheritdoc}
*/
function initialize() {
parent::initialize();
// Provider api end-points
$this->api->authorize_url = "https://accounts.google.com/o/oauth2/auth";
$this->api->token_url = "https://accounts.google.com/o/oauth2/token";
$this->api->token_info_url = "https://www.googleapis.com/oauth2/v2/tokeninfo";
// Google POST methods require an access_token in the header
$this->api->curl_header = array("Authorization: OAuth " . $this->api->access_token);
// Override the redirect uri when it's set in the config parameters. This way we prevent
// redirect uri mismatches when authenticating with Google.
if (isset($this->config['redirect_uri']) && !empty($this->config['redirect_uri'])) {
$this->api->redirect_uri = $this->config['redirect_uri'];
}
}
/**
* {@inheritdoc}
*/
function loginBegin() {
$parameters = array("scope" => $this->scope, "access_type" => "offline");
$optionals = array("scope", "access_type", "redirect_uri", "approval_prompt", "hd", "state");
foreach ($optionals as $parameter) {
if (isset($this->config[$parameter]) && !empty($this->config[$parameter])) {
$parameters[$parameter] = $this->config[$parameter];
}
if (isset($this->config["scope"]) && !empty($this->config["scope"])) {
$this->scope = $this->config["scope"];
}
}
if (isset($this->config['force']) && $this->config['force'] === true) {
$parameters['approval_prompt'] = 'force';
}
Hybrid_Auth::redirect($this->api->authorizeUrl($parameters));
}
/**
* {@inheritdoc}
*/
function getUserProfile() {
// refresh tokens if needed
$this->refreshToken();
$response = $this->api->api("https://www.googleapis.com/oauth2/v3/userinfo");
if (!isset($response->sub) || isset($response->error)) {
throw new Exception("User profile request failed! {$this->providerId} returned an invalid response:" . Hybrid_Logger::dumpData( $response ), 6);
}
$this->user->profile->identifier = (property_exists($response, 'sub')) ? $response->sub : "";
$this->user->profile->firstName = (property_exists($response, 'given_name')) ? $response->given_name : "";
$this->user->profile->lastName = (property_exists($response, 'family_name')) ? $response->family_name : "";
$this->user->profile->displayName = (property_exists($response, 'name')) ? $response->name : "";
$this->user->profile->photoURL = (property_exists($response, 'picture')) ? $response->picture : "";
$this->user->profile->profileURL = (property_exists($response, 'profile')) ? $response->profile : "";
$this->user->profile->gender = (property_exists($response, 'gender')) ? $response->gender : "";
$this->user->profile->language = (property_exists($response, 'locale')) ? $response->locale : "";
$this->user->profile->email = (property_exists($response, 'email')) ? $response->email : "";
$this->user->profile->emailVerified = (property_exists($response, 'email_verified')) ? ($response->email_verified === true || $response->email_verified === 1 ? $response->email : "") : "";
return $this->user->profile;
}
/**
* {@inheritdoc}
*/
function getUserContacts() {
// refresh tokens if needed
$this->refreshToken();
$contacts = array();
if (!isset($this->config['contacts_param'])) {
$this->config['contacts_param'] = array("max-results" => 500);
}
// Google Gmail and Android contacts
if (strpos($this->scope, '/m8/feeds/') !== false) {
$response = $this->api->api("https://www.google.com/m8/feeds/contacts/default/full?"
. http_build_query(array_merge(array('alt' => 'json'), $this->config['contacts_param'])));
if (!$response) {
return array();
}
if (isset($response->feed->entry)) {
foreach ($response->feed->entry as $idx => $entry) {
$uc = new Hybrid_User_Contact();
$uc->email = isset($entry->{'gd$email'}[0]->address) ? (string) $entry->{'gd$email'}[0]->address : '';
$uc->displayName = isset($entry->title->{'$t'}) ? (string) $entry->title->{'$t'} : '';
$uc->identifier = ($uc->email != '') ? $uc->email : '';
$uc->description = '';
if (property_exists($entry, 'link')) {
/**
* sign links with access_token
*/
if (is_array($entry->link)) {
foreach ($entry->link as $l) {
if (property_exists($l, 'gd$etag') && $l->type == "image/*") {
$uc->photoURL = $this->addUrlParam($l->href, array('access_token' => $this->api->access_token));
} else if ($l->type == "self") {
$uc->profileURL = $this->addUrlParam($l->href, array('access_token' => $this->api->access_token));
}
}
}
} else {
$uc->profileURL = '';
}
if (property_exists($response, 'website')) {
if (is_array($response->website)) {
foreach ($response->website as $w) {
if ($w->primary == true)
$uc->webSiteURL = $w->value;
}
} else {
$uc->webSiteURL = $response->website->value;
}
} else {
$uc->webSiteURL = '';
}
$contacts[] = $uc;
}
}
}
return $contacts;
}
/**
* Add query parameters to the $url
*
* @param string $url URL
* @param array $params Parameters to add
* @return string
*/
function addUrlParam($url, array $params){
$query = parse_url($url, PHP_URL_QUERY);
// Returns the URL string with new parameters
if ($query) {
$url .= '&' . http_build_query($params);
} else {
$url .= '?' . http_build_query($params);
}
return $url;
}
}
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