+++ /dev/null
-<?php
-/**
- * StatusNet, the distributed open-source microblogging tool
- *
- * Base class for RSS 1.0 feed actions
- *
- * PHP version 5
- *
- * LICENCE: This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * @category Mail
- * @package StatusNet
- * @author Evan Prodromou <evan@status.net>
- * @author Earle Martin <earle@downlode.org>
- * @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://status.net/
- */
-
-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
- *
- * Just wraps the Action constructor.
- *
- * @param string $output URI to output to, default = stdout
- * @param boolean $indent Whether to indent output, default true
- *
- * @see Action::__construct
- */
-
- function __construct($output='php://output', $indent=null)
- {
- parent::__construct($output, $indent);
- }
-
- /**
- * Do we need to write to the database?
- *
- * @return boolean true
- */
-
- function isReadonly()
- {
- return true;
- }
-
- /**
- * Read arguments and initialize members
- *
- * @param array $args Arguments from $_REQUEST
- * @return boolean success
- */
-
- function prepare(array $args=array())
- {
- parent::prepare($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="GNU social 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(array $args=array())
- {
- // Parent handling, including cache check
- parent::handle($args);
- $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.
- *
- * @return array an array of Notice objects sorted in reverse chron
- */
-
- function getNotices()
- {
- return array();
- }
-
- /**
- * Get a description of the channel
- *
- * Returns an array with the following
- * @return array
- */
-
- function getChannel()
- {
- return array('url' => '',
- 'title' => '',
- 'link' => '',
- 'description' => '');
- }
-
- function getImage()
- {
- return null;
- }
-
- function showRss()
- {
- $this->initRss();
- $this->showChannel();
- $this->showImage();
-
- if (count($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->showCreators();
- $this->endRss();
- }
-
- function showChannel()
- {
-
- $channel = $this->getChannel();
- $image = $this->getImage();
-
- $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) {
- $this->element('image', array('rdf:resource' => $image));
- }
-
- $this->elementStart('items');
- $this->elementStart('rdf:Seq');
-
- if (count($this->notices)) {
- foreach ($this->notices as $notice) {
- $this->element('rdf:li', array('rdf:resource' => $notice->uri));
- }
- }
-
- $this->elementEnd('rdf:Seq');
- $this->elementEnd('items');
-
- $this->elementEnd('channel');
- }
-
- function showImage()
- {
- $image = $this->getImage();
- if ($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);
- $this->elementEnd('image');
- }
- }
-
- function showItem($notice)
- {
- $profile = $notice->getProfile();
- $nurl = common_local_url('shownotice', array('notice' => $notice->id));
- $creator_uri = common_profile_uri($profile);
- $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));
- $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){
- try {
- $enclosure = $attachment->getEnclosure();
- $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);
- } catch (ServerException $e) {
- // There was not enough metadata available
- }
- $this->element('sioc:links_to', array('rdf:resource'=>$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] = $profile;
- }
-
- function showCreators()
- {
- foreach ($this->creators as $uri => $profile) {
- $id = $profile->id;
- $nickname = $profile->nickname;
- $this->elementStart('foaf:Agent', array('rdf:about' => $uri));
- $this->element('foaf:nick', null, $nickname);
- if ($profile->fullname) {
- $this->element('foaf:name', null, $profile->fullname);
- }
- $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 initRss()
- {
- $channel = $this->getChannel();
- header('Content-Type: application/rdf+xml');
-
- $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://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: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/'));
- $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']));
- $this->elementEnd('sioc:space_of');
- $this->elementEnd('sioc:Site');
- }
-
- function endRss()
- {
- $this->elementEnd('rdf:RDF');
- }
-
- /**
- * When was this page last modified?
- *
- */
-
- function lastModified()
- {
- if (empty($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);
- }
-}
-
projects / quix0rs-gnu-social.git / blobdiff