Adding support for adding links to login page in authsources.php

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2228 44740490-163a-0410-bde0-09ae8108e29a

modules/core/lib/Auth/UserPassBase.php

@@ -32,6 +32,12 @@ abstract class sspmod_core_Auth_UserPassBase extends SimpleSAML_Auth_Source {
 	 * If this is NULL, we won't force any username.
 	 */
 	private $forcedUsername;
+	
+	/**
+	 * Links to pages from login page. 
+	 * From configuration
+	 */
+	protected $loginLinks;
 
 
 	/**
@@ -46,6 +52,10 @@ abstract class sspmod_core_Auth_UserPassBase extends SimpleSAML_Auth_Source {
 	public function __construct($info, &$config) {
 		assert('is_array($info)');
 		assert('is_array($config)');
+		
+		if (isset($config['core:loginpage_links'])) {
+			$this->loginLinks = $config['core:loginpage_links'];
+		}
 
 		/* Call the parent constructor first, as required by the interface. */
 		parent::__construct($info, $config);
@@ -62,6 +72,13 @@ abstract class sspmod_core_Auth_UserPassBase extends SimpleSAML_Auth_Source {
 		$this->forcedUsername = $forcedUsername;
 	}
 
+	/**
+	 * Return login links from configuration
+	 */
+	public function getLoginLinks() {
+		return $this->loginLinks;
+	}
+
 
 	/**
 	 * Initialize login.

modules/core/templates/loginuserpass.php

@@ -93,6 +93,18 @@ foreach ($this->data['stateparams'] as $name => $value) {
 	</form>
 
 <?php
+
+if(!empty($this->data['links'])) {
+	echo '<ul class="links" style="margin-top: 2em">';
+	foreach($this->data['links'] AS $l) {
+		echo '<li><a href="' . htmlspecialchars($l['href']) . '">' . htmlspecialchars($this->t($l['text'])) . '</a></li>';
+	}
+	echo '</ul>';
+}
+
+
+
+
 echo('<h2>' . $this->t('{login:help_header}') . '</h2>');
 echo('<p>' . $this->t('{login:help_text}') . '</p>');
 

modules/core/www/loginuserpass.php

@@ -18,6 +18,13 @@ $authStateId = $_REQUEST['AuthState'];
 /* Retrieve the authentication state. */
 $state = SimpleSAML_Auth_State::loadState($authStateId, sspmod_core_Auth_UserPassBase::STAGEID);
 
+
+$source = SimpleSAML_Auth_Source::getById($state[sspmod_core_Auth_UserPassBase::AUTHID]);
+if ($source === NULL) {
+	throw new Exception('Could not find authentication source with id ' . $state[sspmod_core_Auth_UserPassBase::AUTHID]);
+}
+
+
 if (array_key_exists('username', $_REQUEST)) {
 	$username = $_REQUEST['username'];
 } elseif (isset($state['core:username'])) {
@@ -54,6 +61,7 @@ if (array_key_exists('forcedUsername', $state)) {
 	$t->data['username'] = $username;
 	$t->data['forceUsername'] = FALSE;
 }
+$t->data['links'] = $source->getLoginLinks();
 $t->data['errorcode'] = $errorCode;
 $t->show();
 exit();