]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - lib/rssaction.php
auth fix
[quix0rs-gnu-social.git] / lib / rssaction.php
index 2c532912b4d31da718f59f5e8647a05452053a9b..f366db97293241a849784956f37ff3063cc12390 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * Laconica, the distributed open-source microblogging tool
+ * StatusNet, the distributed open-source microblogging tool
  *
  * Base class for RSS 1.0 feed actions
  *
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  * @category  Mail
- * @package   Laconica
- * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
  * @author    Earle Martin <earle@downlode.org>
- * @copyright 2008-9 Control Yourself, Inc.
+ * @copyright 2008-9 StatusNet, Inc.
  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link      http://laconi.ca/
+ * @link      http://status.net/
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
 
 define('DEFAULT_RSS_LIMIT', 48);
 
 class Rss10Action extends Action
 {
     # This will contain the details of each feed item's author and be used to generate SIOC data.
-    
+
     var $creators = array();
     var $limit = DEFAULT_RSS_LIMIT;
-    
+    var $notices = null;
+    var $tags_already_output = array();
+
     /**
      * Constructor
      *
@@ -50,17 +52,17 @@ class Rss10Action extends Action
      * @see Action::__construct
      */
 
-    function __construct($output='php://output', $indent=true)
+    function __construct($output='php://output', $indent=null)
     {
         parent::__construct($output, $indent);
     }
 
     /**
      * Do we need to write to the database?
-     * 
+     *
      * @return boolean true
      */
-    
+
     function isReadonly()
     {
         return true;
@@ -68,40 +70,81 @@ class Rss10Action extends Action
 
     /**
      * Read arguments and initialize members
-     * 
+     *
      * @param array $args Arguments from $_REQUEST
      * @return boolean success
      */
-    
+
     function prepare($args)
     {
-       $this->limit = (int) $this->trimmed('limit');
-       if ($this->limit == 0) {
-           $this->limit = DEFAULT_RSS_LIMIT;
-       }
-       return true;
+        parent::prepare($args);
+
+        $this->limit = (int) $this->trimmed('limit');
+
+        if ($this->limit == 0) {
+            $this->limit = DEFAULT_RSS_LIMIT;
+        }
+
+        if (common_config('site', 'private')) {
+            if (!isset($_SERVER['PHP_AUTH_USER'])) {
+
+                # This header makes basic auth go
+                header('WWW-Authenticate: Basic realm="StatusNet RSS"');
+
+                # If the user hits cancel -- bam!
+                $this->show_basic_auth_error();
+                return;
+            } else {
+                $nickname = $_SERVER['PHP_AUTH_USER'];
+                $password = $_SERVER['PHP_AUTH_PW'];
+
+                if (!common_check_user($nickname, $password)) {
+                    # basic authentication failed
+                    list($proxy, $ip) = common_client_ip();
+
+                    common_log(LOG_WARNING, "Failed RSS auth attempt, nickname = $nickname, proxy = $proxy, ip = $ip.");
+                    $this->show_basic_auth_error();
+                    return;
+                }
+            }
+        }
+
+        return true;
     }
-       
+
     /**
      * Handle a request
-     * 
+     *
      * @param array $args Arguments from $_REQUEST
-     * 
+     *
      * @return void
      */
-    
+
     function handle($args)
     {
+        // Parent handling, including cache check
         parent::handle($args);
-        $this->show_rss($limit);
+        $this->showRss();
+    }
+
+    function show_basic_auth_error()
+    {
+        header('HTTP/1.1 401 Unauthorized');
+        header('Content-Type: application/xml; charset=utf-8');
+        $this->startXML();
+        $this->elementStart('hash');
+        $this->element('error', null, 'Could not authenticate you.');
+        $this->element('request', null, $_SERVER['REQUEST_URI']);
+        $this->elementEnd('hash');
+        $this->endXML();
     }
 
     /**
-     * Get the notices to output in this stream
-     * 
+     * Get the notices to output in this stream.
+     *
      * @return array an array of Notice objects sorted in reverse chron
      */
-    
+
     function getNotices()
     {
         return array();
@@ -109,10 +152,12 @@ class Rss10Action extends Action
 
     /**
      * Get a description of the channel
-     * 
-     * Returns an array with the following 
-     * @return array 
-    function get_channel()
+     *
+     * Returns an array with the following
+     * @return array
+     */
+
+    function getChannel()
     {
         return array('url' => '',
                      'title' => '',
@@ -120,139 +165,247 @@ class Rss10Action extends Action
                      'description' => '');
     }
 
-    function get_image()
+    function getImage()
     {
         return null;
     }
 
-    function show_rss($limit=0)
+    function showRss()
     {
-        $notices = $this->get_notices($limit);
+        $this->initRss();
+        $this->showChannel();
+        $this->showImage();
 
-        $this->init_rss();
-        $this->show_channel($notices);
-        $this->show_image();
-
-        foreach ($notices as $n) {
-            $this->show_item($n);
+        if (count($this->notices)) {
+            foreach ($this->notices as $n) {
+                try {
+                    $this->showItem($n);
+                } catch (Exception $e) {
+                    // log exceptions and continue
+                    common_log(LOG_ERR, $e->getMessage());
+                    continue;
+                }
+            }
         }
 
-        $this->show_creators();
-        $this->end_rss();
+        $this->showCreators();
+        $this->endRss();
     }
 
-    function show_channel($notices)
+    function showChannel()
     {
 
-        $channel = $this->get_channel();
-        $image = $this->get_image();
+        $channel = $this->getChannel();
+        $image = $this->getImage();
 
-        common_element_start('channel', array('rdf:about' => $channel['url']));
-        common_element('title', null, $channel['title']);
-        common_element('link', null, $channel['link']);
-        common_element('description', null, $channel['description']);
-        common_element('cc:licence', array('rdf:resource' => common_config('license','url')));
+        $this->elementStart('channel', array('rdf:about' => $channel['url']));
+        $this->element('title', null, $channel['title']);
+        $this->element('link', null, $channel['link']);
+        $this->element('description', null, $channel['description']);
+        $this->element('cc:licence', array('rdf:resource' => common_config('license','url')));
 
         if ($image) {
-            common_element('image', array('rdf:resource' => $image));
+            $this->element('image', array('rdf:resource' => $image));
         }
 
-        common_element_start('items');
-        common_element_start('rdf:Seq');
+        $this->elementStart('items');
+        $this->elementStart('rdf:Seq');
 
-        foreach ($notices as $notice) {
-            common_element('sioct:MicroblogPost', array('rdf:resource' => $notice->uri));
+        if (count($this->notices)) {
+            foreach ($this->notices as $notice) {
+                $this->element('rdf:li', array('rdf:resource' => $notice->uri));
+            }
         }
 
-        common_element_end('rdf:Seq');
-        common_element_end('items');
+        $this->elementEnd('rdf:Seq');
+        $this->elementEnd('items');
 
-        common_element_end('channel');
+        $this->elementEnd('channel');
     }
 
-    function show_image()
+    function showImage()
     {
-        $image = $this->get_image();
+        $image = $this->getImage();
         if ($image) {
-            $channel = $this->get_channel();
-            common_element_start('image', array('rdf:about' => $image));
-            common_element('title', null, $channel['title']);
-            common_element('link', null, $channel['link']);
-            common_element('url', null, $image);
-            common_element_end('image');
+            $channel = $this->getChannel();
+            $this->elementStart('image', array('rdf:about' => $image));
+            $this->element('title', null, $channel['title']);
+            $this->element('link', null, $channel['link']);
+            $this->element('url', null, $image);
+            $this->elementEnd('image');
         }
     }
 
-    function show_item($notice)
+    function showItem($notice)
     {
-        $profile = Profile::staticGet($notice->profile_id);
+        $profile = $notice->getProfile();
         $nurl = common_local_url('shownotice', array('notice' => $notice->id));
         $creator_uri = common_profile_uri($profile);
-        common_element_start('item', array('rdf:about' => $notice->uri));
+        $this->elementStart('item', array('rdf:about' => $notice->uri,
+                            'rdf:type' => 'http://rdfs.org/sioc/types#MicroblogPost'));
         $title = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
-        common_element('title', null, $title);
-        common_element('link', null, $nurl);
-        common_element('description', null, $profile->nickname."'s status on ".common_exact_date($notice->created));
-        common_element('dc:date', null, common_date_w3dtf($notice->created));
-        common_element('dc:creator', null, ($profile->fullname) ? $profile->fullname : $profile->nickname);
-        common_element('sioc:has_creator', array('rdf:resource' => $creator_uri));
-        common_element('laconica:postIcon', array('rdf:resource' => common_profile_avatar_url($profile)));
-        common_element('cc:licence', array('rdf:resource' => common_config('license', 'url')));
-        common_element_end('item');
+        $this->element('title', null, $title);
+        $this->element('link', null, $nurl);
+        $this->element('description', null, $profile->nickname."'s status on ".common_exact_date($notice->created));
+        if ($notice->rendered) {
+            $this->element('content:encoded', null, common_xml_safe_str($notice->rendered));
+        }
+        $this->element('dc:date', null, common_date_w3dtf($notice->created));
+        $this->element('dc:creator', null, ($profile->fullname) ? $profile->fullname : $profile->nickname);
+        $this->element('foaf:maker', array('rdf:resource' => $creator_uri));
+        $this->element('sioc:has_creator', array('rdf:resource' => $creator_uri.'#acct'));
+        $location = $notice->getLocation();
+        if ($location && isset($location->lat) && isset($location->lon)) {
+            $location_uri = $location->getRdfURL();
+            $attrs = array('geo:lat' => $location->lat,
+                'geo:long' => $location->lon);
+            if (strlen($location_uri)) {
+                $attrs['rdf:resource'] = $location_uri;
+            }
+            $this->element('statusnet:origin', $attrs);
+        }
+        $this->element('statusnet:postIcon', array('rdf:resource' => $profile->avatarUrl()));
+        $this->element('cc:licence', array('rdf:resource' => common_config('license', 'url')));
+        if ($notice->reply_to) {
+            $replyurl = common_local_url('shownotice', array('notice' => $notice->reply_to));
+            $this->element('sioc:reply_of', array('rdf:resource' => $replyurl));
+        }
+        if (!empty($notice->conversation)) {
+            $conversationurl = common_local_url('conversation',
+                                         array('id' => $notice->conversation));
+            $this->element('sioc:has_discussion', array('rdf:resource' => $conversationurl));
+        }
+        $attachments = $notice->attachments();
+        if($attachments){
+            foreach($attachments as $attachment){
+                $enclosure=$attachment->getEnclosure();
+                if ($enclosure) {
+                    $attribs = array('rdf:resource' => $enclosure->url);
+                    if ($enclosure->title) {
+                        $attribs['dc:title'] = $enclosure->title;
+                    }
+                    if ($enclosure->modified) {
+                        $attribs['dc:date'] = common_date_w3dtf($enclosure->modified);
+                    }
+                    if ($enclosure->size) {
+                        $attribs['enc:length'] = $enclosure->size;
+                    }
+                    if ($enclosure->mimetype) {
+                        $attribs['enc:type'] = $enclosure->mimetype;
+                    }
+                    $this->element('enc:enclosure', $attribs);
+                }
+                $this->element('sioc:links_to', array('rdf:resource'=>$attachment->url));
+            }
+        }
+
+        $tag = new Notice_tag();
+        $tag->notice_id = $notice->id;
+        if ($tag->find()) {
+            $entry['tags']=array();
+            while ($tag->fetch()) {
+                $tagpage = common_local_url('tag', array('tag' => $tag->tag));
+
+                if ( in_array($tag, $this->tags_already_output) ) {
+                    $this->element('ctag:tagged', array('rdf:resource'=>$tagpage.'#concept'));
+                    continue;
+                }
+
+                $tagrss  = common_local_url('tagrss', array('tag' => $tag->tag));
+                $this->elementStart('ctag:tagged');
+                $this->elementStart('ctag:Tag', array('rdf:about'=>$tagpage.'#concept', 'ctag:label'=>$tag->tag));
+                $this->element('foaf:page', array('rdf:resource'=>$tagpage));
+                $this->element('rdfs:seeAlso', array('rdf:resource'=>$tagrss));
+                $this->elementEnd('ctag:Tag');
+                $this->elementEnd('ctag:tagged');
+
+                $this->tags_already_output[] = $tag->tag;
+            }
+        }
+        $this->elementEnd('item');
         $this->creators[$creator_uri] = $profile;
     }
 
-    function show_creators()
+    function showCreators()
     {
         foreach ($this->creators as $uri => $profile) {
             $id = $profile->id;
             $nickname = $profile->nickname;
-            common_element_start('sioc:User', array('rdf:about' => $uri));
-            common_element('foaf:nick', null, $nickname);
+            $this->elementStart('foaf:Agent', array('rdf:about' => $uri));
+            $this->element('foaf:nick', null, $nickname);
             if ($profile->fullname) {
-                common_element('foaf:name', null, $profile->fullname);
+                $this->element('foaf:name', null, $profile->fullname);
             }
-            common_element('sioc:id', null, $id);
-            $avatar = common_profile_avatar_url($profile);
-            common_element('sioc:avatar', array('rdf:resource' => $avatar));
-            common_element_end('sioc:User');
+            $this->element('foaf:holdsAccount', array('rdf:resource' => $uri.'#acct'));
+            $avatar = $profile->avatarUrl();
+            $this->element('foaf:depiction', array('rdf:resource' => $avatar));
+            $this->elementEnd('foaf:Agent');
         }
     }
 
-    function init_rss()
+    function initRss()
     {
-        $channel = $this->get_channel();
+        $channel = $this->getChannel();
         header('Content-Type: application/rdf+xml');
 
-        common_start_xml();
-        common_element_start('rdf:RDF', array('xmlns:rdf' =>
+        $this->startXml();
+        $this->elementStart('rdf:RDF', array('xmlns:rdf' =>
                                               'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
                                               'xmlns:dc' =>
                                               'http://purl.org/dc/elements/1.1/',
                                               'xmlns:cc' =>
-                                              'http://web.resource.org/cc/',
+                                              'http://creativecommons.org/ns#',
                                               'xmlns:content' =>
                                               'http://purl.org/rss/1.0/modules/content/',
+                                              'xmlns:ctag' =>
+                                              'http://commontag.org/ns#',
                                               'xmlns:foaf' =>
                                               'http://xmlns.com/foaf/0.1/',
+                                              'xmlns:enc' =>
+                                              'http://purl.oclc.org/net/rss_2.0/enc#',
                                               'xmlns:sioc' =>
                                               'http://rdfs.org/sioc/ns#',
                                               'xmlns:sioct' =>
                                               'http://rdfs.org/sioc/types#',
-                                              'xmlns:laconica' =>
-                                              'http://laconi.ca/ont/',
+                                              'xmlns:rdfs' =>
+                                              'http://www.w3.org/2000/01/rdf-schema#',
+                                              'xmlns:geo' =>
+                                              'http://www.w3.org/2003/01/geo/wgs84_pos#',
+                                              'xmlns:statusnet' =>
+                                              'http://status.net/ont/',
                                               'xmlns' => 'http://purl.org/rss/1.0/'));
-        common_element_start('sioc:Site', array('rdf:about' => common_root_url()));
-        common_element('sioc:name', null, common_config('site', 'name'));
-        common_element_start('sioc:container_of');
-        common_element('sioc:Container', array('rdf:about' =>
+        $this->elementStart('sioc:Site', array('rdf:about' => common_root_url()));
+        $this->element('sioc:name', null, common_config('site', 'name'));
+        $this->elementStart('sioc:space_of');
+        $this->element('sioc:Container', array('rdf:about' =>
                                                $channel['url']));
-        common_element_end('sioc:container_of');
-        common_element_end('sioc:Site');
+        $this->elementEnd('sioc:space_of');
+        $this->elementEnd('sioc:Site');
+    }
+
+    function endRss()
+    {
+        $this->elementEnd('rdf:RDF');
     }
 
-    function end_rss()
+    /**
+     * When was this page last modified?
+     *
+     */
+
+    function lastModified()
     {
-        common_element_end('rdf:RDF');
+        if (empty($this->notices)) {
+            return null;
+        }
+
+        if (count($this->notices) == 0) {
+            return null;
+        }
+
+        // FIXME: doesn't handle modified profiles, avatars, deleted notices
+
+        return strtotime($this->notices[0]->created);
     }
 }
+