smartattributes: Add SmartName filter to this module.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3183 44740490-163a-0410-bde0-09ae8108e29a

modules/smartattributes/lib/Auth/Process/SmartName.php

+<?php
+
+/**
+ * Filter to set name in a smart way, based on available name attributes.
+ *
+ * @author Andreas Åkre Solberg, UNINETT AS.
+ * @package simpleSAMLphp
+ * @version $Id$
+ */
+class sspmod_smartattribute_Auth_Process_SmartName extends SimpleSAML_Auth_ProcessingFilter {
+
+	/**
+	 * Attributes which should be added/appended.
+	 *
+	 * Assiciative array of arrays.
+	 */
+	private $attributes = array();
+
+
+	private function getFullName($attributes) {
+		if (isset($attributes['displayName']))
+			return $attributes['displayName'][0];
+		
+		if (isset($attributes['cn'])) {
+			if (count(explode(' ', $attributes['cn'][0])) > 1)
+				return $attributes['cn'][0];
+		}
+		
+		if (isset($attributes['sn']) && isset($attributes['givenName']))
+			return $attributes['givenName'][0] . ' ' . $attributes['sn'][0];
+
+		if (isset($attributes['cn']))
+			return $attributes['cn'][0];
+
+		if (isset($attributes['sn']))
+			return $attributes['sn'][0];
+
+		if (isset($attributes['givenName']))
+			return $attributes['givenName'][0];
+		
+		if (isset($attributes['eduPersonPrincipalName'])) {
+			$localname = $this->getLocalUser($attributes['eduPersonPrincipalName'][0]);
+			if (isset($localname)) return $localname;
+		}		
+		
+		return NULL;
+	}
+	
+	private function getLocalUser($userid) {
+		if (strpos($userid, '@') === FALSE) return NULL;
+		$decomposed = explode('@', $userid);
+		if(count($decomposed) === 2) {
+			return $decomposed[0];
+		}
+		return NULL;
+	}
+
+	/**
+	 * Apply filter to add or replace attributes.
+	 *
+	 * Add or replace existing attributes with the configured values.
+	 *
+	 * @param array &$request  The current request
+	 */
+	public function process(&$request) {
+		assert('is_array($request)');
+		assert('array_key_exists("Attributes", $request)');
+
+		$attributes =& $request['Attributes'];
+		
+		$fullname = $this->getFullName($attributes);
+		
+		if(isset($fullname)) $request['Attributes']['smartname-fullname'] = array($fullname);
+		
+	}
+
+}
+
+?>
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