diff --git a/modules/authfacebook/lib/Auth/Source/Facebook.php b/modules/authfacebook/lib/Auth/Source/Facebook.php
index b922dd05aec61263d5148438f98608e74fc98ec8..aec24d25fa4bb12a85ad0df029ab684b22a6f23e 100644
--- a/modules/authfacebook/lib/Auth/Source/Facebook.php
+++ b/modules/authfacebook/lib/Auth/Source/Facebook.php
@@ -13,137 +13,137 @@ use SimpleSAML\Module;
 
 class Facebook extends \SimpleSAML\Auth\Source
 {
-	/**
-	 * The string used to identify our states.
-	 */
-	const STAGE_INIT = 'facebook:init';
-
-
-	/**
-	 * The key of the AuthId field in the state.
-	 */
-	const AUTHID = 'facebook:AuthId';
-
-
-	/**
-	 * Facebook App ID or API Key
-	 */
-	private $api_key;
-
-
-	/**
-	 * Facebook App Secret
-	 */
-	private $secret;
-
-
-	/**
-	 * Which additional data permissions to request from user
-	 */
-	private $req_perms;
-
-
-	/**
-	 * A comma-separated list of user profile fields to request.
-	 *
-	 * Note that some user fields require appropriate permissions. For
-	 * example, to retrieve the user's primary email address, "email" must
-	 * be specified in both the req_perms and the user_fields parameter.
-	 *
-	 * When empty, only the app-specific user id and name will be returned.
-	 *
-	 * See the Graph API specification for all available user fields:
-	 * https://developers.facebook.com/docs/graph-api/reference/v2.6/user
-	 */
-	private $user_fields;
-
-
-	/**
-	 * Constructor for this authentication source.
-	 *
-	 * @param array $info  Information about this authentication source.
-	 * @param array $config  Configuration.
-	 */
-	public function __construct($info, $config)
+    /**
+     * The string used to identify our states.
+     */
+    const STAGE_INIT = 'facebook:init';
+
+
+    /**
+     * The key of the AuthId field in the state.
+     */
+    const AUTHID = 'facebook:AuthId';
+
+
+    /**
+     * Facebook App ID or API Key
+     */
+    private $api_key;
+
+
+    /**
+     * Facebook App Secret
+     */
+    private $secret;
+
+
+    /**
+     * Which additional data permissions to request from user
+     */
+    private $req_perms;
+
+
+    /**
+     * A comma-separated list of user profile fields to request.
+     *
+     * Note that some user fields require appropriate permissions. For
+     * example, to retrieve the user's primary email address, "email" must
+     * be specified in both the req_perms and the user_fields parameter.
+     *
+     * When empty, only the app-specific user id and name will be returned.
+     *
+     * See the Graph API specification for all available user fields:
+     * https://developers.facebook.com/docs/graph-api/reference/v2.6/user
+     */
+    private $user_fields;
+
+
+    /**
+     * Constructor for this authentication source.
+     *
+     * @param array $info  Information about this authentication source.
+     * @param array $config  Configuration.
+     */
+    public function __construct($info, $config)
     {
-		assert(is_array($info));
-		assert(is_array($config));
+        assert(is_array($info));
+        assert(is_array($config));
 
-		// Call the parent constructor first, as required by the interface
-		parent::__construct($info, $config);
+        // Call the parent constructor first, as required by the interface
+        parent::__construct($info, $config);
 
-		$cfgParse = \SimpleSAML\Configuration::loadFromArray($config, 'authsources['.var_export($this->authId, true).']');
+        $cfgParse = \SimpleSAML\Configuration::loadFromArray($config, 'authsources['.var_export($this->authId, true).']');
 		
-		$this->api_key = $cfgParse->getString('api_key');
-		$this->secret = $cfgParse->getString('secret');
-		$this->req_perms = $cfgParse->getString('req_perms', NULL);
-		$this->user_fields = $cfgParse->getString('user_fields', NULL);
-	}
-
-
-	/**
-	 * Log-in using Facebook platform
-	 *
-	 * @param array &$state  Information about the current authentication.
-	 */
-	public function authenticate(&$state)
+        $this->api_key = $cfgParse->getString('api_key');
+        $this->secret = $cfgParse->getString('secret');
+        $this->req_perms = $cfgParse->getString('req_perms', NULL);
+        $this->user_fields = $cfgParse->getString('user_fields', NULL);
+    }
+
+
+    /**
+     * Log-in using Facebook platform
+     *
+     * @param array &$state  Information about the current authentication.
+     */
+    public function authenticate(&$state)
     {
-		assert(is_array($state));
+        assert(is_array($state));
 
-		// We are going to need the authId in order to retrieve this authentication source later
-		$state[self::AUTHID] = $this->authId;
-		\SimpleSAML\Auth\State::saveState($state, self::STAGE_INIT);
+        // We are going to need the authId in order to retrieve this authentication source later
+        $state[self::AUTHID] = $this->authId;
+        \SimpleSAML\Auth\State::saveState($state, self::STAGE_INIT);
 		
-		$facebook = new Module\authfacebook\Facebook(array('appId' => $this->api_key, 'secret' => $this->secret), $state);
-		$facebook->destroySession();
+        $facebook = new Module\authfacebook\Facebook(array('appId' => $this->api_key, 'secret' => $this->secret), $state);
+        $facebook->destroySession();
 
-		$linkback = Module::getModuleURL('authfacebook/linkback.php');
-		$url = $facebook->getLoginUrl(array('redirect_uri' => $linkback, 'scope' => $this->req_perms));
-		\SimpleSAML\Auth\State::saveState($state, self::STAGE_INIT);
+        $linkback = Module::getModuleURL('authfacebook/linkback.php');
+        $url = $facebook->getLoginUrl(array('redirect_uri' => $linkback, 'scope' => $this->req_perms));
+        \SimpleSAML\Auth\State::saveState($state, self::STAGE_INIT);
 
-		\SimpleSAML\Utils\HTTP::redirectTrustedURL($url);
-	}
+        \SimpleSAML\Utils\HTTP::redirectTrustedURL($url);
+    }
 		
 
-	public function finalStep(&$state)
+    public function finalStep(&$state)
     {
-		assert(is_array($state));
-
-		$facebook = new Module\authfacebook\Facebook(array('appId' => $this->api_key, 'secret' => $this->secret), $state);
-		$uid = $facebook->getUser();
-
-		if (isset($uid) && $uid) {
-			try {
-				$info = $facebook->api("/".$uid.($this->user_fields ? "?fields=".$this->user_fields : ""));
-			} catch (\FacebookApiException $e) {
-				throw new \SimpleSAML\Error\AuthSource($this->authId, 'Error getting user profile.', $e);
-			}
-		}
-
-		if (!isset($info)) {
-			throw new \SimpleSAML\Error\AuthSource($this->authId, 'Error getting user profile.');
-		}
+        assert(is_array($state));
+
+        $facebook = new Module\authfacebook\Facebook(array('appId' => $this->api_key, 'secret' => $this->secret), $state);
+        $uid = $facebook->getUser();
+
+        if (isset($uid) && $uid) {
+            try {
+                $info = $facebook->api("/".$uid.($this->user_fields ? "?fields=".$this->user_fields : ""));
+            } catch (\FacebookApiException $e) {
+                throw new \SimpleSAML\Error\AuthSource($this->authId, 'Error getting user profile.', $e);
+            }
+        }
+
+        if (!isset($info)) {
+            throw new \SimpleSAML\Error\AuthSource($this->authId, 'Error getting user profile.');
+        }
 		
-		$attributes = array();
-		foreach ($info as $key => $value) {
-			if (is_string($value) && !empty($value)) {
-				$attributes['facebook.'.$key] = array((string)$value);
-			}
-		}
+        $attributes = array();
+        foreach ($info as $key => $value) {
+            if (is_string($value) && !empty($value)) {
+                $attributes['facebook.'.$key] = array((string)$value);
+            }
+        }
 
-		if (array_key_exists('third_party_id', $info)) {
-			$attributes['facebook_user'] = array($info['third_party_id'].'@facebook.com');
-		} else {
-			$attributes['facebook_user'] = array($uid.'@facebook.com');
-		}
+        if (array_key_exists('third_party_id', $info)) {
+            $attributes['facebook_user'] = array($info['third_party_id'].'@facebook.com');
+        } else {
+            $attributes['facebook_user'] = array($uid.'@facebook.com');
+        }
 
-		$attributes['facebook_targetedID'] = array('http://facebook.com!' . $uid);
-		$attributes['facebook_cn'] = array($info['name']);
+        $attributes['facebook_targetedID'] = array('http://facebook.com!' . $uid);
+        $attributes['facebook_cn'] = array($info['name']);
 
-		\SimpleSAML\Logger::debug('Facebook Returned Attributes: '.implode(", ", array_keys($attributes)));
+        \SimpleSAML\Logger::debug('Facebook Returned Attributes: '.implode(", ", array_keys($attributes)));
 
-		$state['Attributes'] = $attributes;
+        $state['Attributes'] = $attributes;
 	
-		$facebook->destroySession();
-	}
+        $facebook->destroySession();
+    }
 }