1 files changed, 72 insertions, 36 deletions

diff --git a/actions/xrds.php b/actions/xrds.php
index 14cb9d503..629de3a86 100644
--- a/actions/xrds.php
+++ b/actions/xrds.php
@@ -1,5 +1,17 @@
 <?php
-/*
+
+/**
+ * XRDS for OpenID
+ *
+ * PHP version 5
+ *
+ * @category Action
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Robin Millette <millette@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://laconi.ca/
+ *
  * Laconica - a distributed open-source microblogging tool
  * Copyright (C) 2008, Controlez-Vous, Inc.
  *
@@ -17,35 +29,63 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('LACONICA')) {
+    exit(1);
+}
 
-require_once(INSTALLDIR.'/lib/omb.php');
+require_once INSTALLDIR.'/lib/omb.php';
 
+/**
+ * XRDS for OpenID
+ *
+ * @category Action
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Robin Millette <millette@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://laconi.ca/
+ */
 class XrdsAction extends Action
 {
-
+    /**
+     * Is read only?
+     * 
+     * @return boolean true
+     */
     function isReadOnly()
     {                
         return true;
     }
 
+    /**
+     * Class handler.
+     * 
+     * @param array $args query arguments
+     *
+     * @return void
+     */
     function handle($args)
     {
         parent::handle($args);
         $nickname = $this->trimmed('nickname');
-        $user = User::staticGet('nickname', $nickname);
+        $user     = User::staticGet('nickname', $nickname);
         if (!$user) {
             $this->clientError(_('No such user.'));
             return;
         }
-        $this->show_xrds($user);
+        $this->showXrds($user);
     }
 
-    function show_xrds($user)
+    /**
+     * Show XRDS for a user.
+     * 
+     * @param class $user XRDS for this user.
+     *
+     * @return void
+     */
+    function showXrds($user)
     {
-
         header('Content-Type: application/xrds+xml');
-
         common_start_xml();
         $this->elementStart('XRDS', array('xmlns' => 'xri://$xrds'));
 
@@ -53,66 +93,61 @@ class XrdsAction extends Action
                                           'xml:id' => 'oauth',
                                           'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
                                           'version' => '2.0'));
-
         $this->element('Type', null, 'xri://$xrds*simple');
-
-        $this->show_service(OAUTH_ENDPOINT_REQUEST,
+        $this->showService(OAUTH_ENDPOINT_REQUEST,
                             common_local_url('requesttoken'),
                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
                             array(OAUTH_HMAC_SHA1),
                             $user->uri);
-
-        $this->show_service(OAUTH_ENDPOINT_AUTHORIZE,
+        $this->showService(OAUTH_ENDPOINT_AUTHORIZE,
                             common_local_url('userauthorization'),
                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
                             array(OAUTH_HMAC_SHA1));
-
-        $this->show_service(OAUTH_ENDPOINT_ACCESS,
+        $this->showService(OAUTH_ENDPOINT_ACCESS,
                             common_local_url('accesstoken'),
                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
                             array(OAUTH_HMAC_SHA1));
-
-        $this->show_service(OAUTH_ENDPOINT_RESOURCE,
+        $this->showService(OAUTH_ENDPOINT_RESOURCE,
                             null,
                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
                             array(OAUTH_HMAC_SHA1));
-
         $this->elementEnd('XRD');
 
-        # XXX: decide whether to include user's ID/nickname in postNotice URL
-
+        // XXX: decide whether to include user's ID/nickname in postNotice URL
         $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
                                           'xml:id' => 'omb',
                                           'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
                                           'version' => '2.0'));
-
         $this->element('Type', null, 'xri://$xrds*simple');
-
-        $this->show_service(OMB_ENDPOINT_POSTNOTICE,
+        $this->showService(OMB_ENDPOINT_POSTNOTICE,
                             common_local_url('postnotice'));
-
-        $this->show_service(OMB_ENDPOINT_UPDATEPROFILE,
+        $this->showService(OMB_ENDPOINT_UPDATEPROFILE,
                             common_local_url('updateprofile'));
-
         $this->elementEnd('XRD');
-
         $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
                                           'version' => '2.0'));
-
         $this->element('Type', null, 'xri://$xrds*simple');
-
-        $this->show_service(OAUTH_DISCOVERY,
+        $this->showService(OAUTH_DISCOVERY,
                             '#oauth');
-        $this->show_service(OMB_NAMESPACE,
+        $this->showService(OMB_NAMESPACE,
                             '#omb');
-
         $this->elementEnd('XRD');
-
         $this->elementEnd('XRDS');
         common_end_xml();
     }
 
-    function show_service($type, $uri, $params=null, $sigs=null, $localId=null)
+    /**
+     * Show service.
+     * 
+     * @param string $type    XRDS type
+     * @param string $uri     URI
+     * @param array  $params  type parameters, null by default
+     * @param array  $sigs    type signatures, null by default
+     * @param string $localId local ID, null by default
+     *
+     * @return void
+     */
+    function showService($type, $uri, $params=null, $sigs=null, $localId=null)
     {
         $this->elementStart('Service');
         if ($uri) {
@@ -134,4 +169,5 @@ class XrdsAction extends Action
         }
         $this->elementEnd('Service');
     }
-}
\ No newline at end of file
+}
+