133 lines
3.4 KiB
PHP
133 lines
3.4 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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class Rss10Action extends Action {
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function handle($args) {
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parent::handle($args);
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$limit = (int) $this->trimmed('limit');
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$this->show_rss($limit);
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}
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function init() {
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return true;
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}
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function get_notices() {
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return array();
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}
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function get_channel() {
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return array('url' => '',
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'title' => '',
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'link' => '',
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'description' => '');
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}
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function get_image() {
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return NULL;
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}
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function show_rss($limit=0) {
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if (!$this->init()) {
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return;
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}
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$notices = $this->get_notices($limit);
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$this->init_rss();
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$this->show_channel($notices);
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$this->show_image();
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foreach ($notices as $n) {
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$this->show_item($n);
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}
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$this->end_rss();
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}
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function show_channel($notices) {
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$channel = $this->get_channel();
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$image = $this->get_image();
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common_element_start('channel', array('rdf:about' => $channel['url']));
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common_element('title', NULL, $channel['title']);
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common_element('link', NULL, $channel['link']);
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common_element('description', NULL, $channel['description']);
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if ($image) {
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common_element('image', array('rdf:resource' => $image));
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}
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common_element_start('items');
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common_element_start('rdf:Seq');
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foreach ($notices as $n) {
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common_element('rdf:li', array('rdf:resource' =>
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common_local_url('shownotice',
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array('notice' => $n->id))));
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}
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common_element_end('rdf:Seq');
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common_element_end('items');
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common_element_end('channel');
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}
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function show_image() {
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$image = $this->get_image();
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if ($image) {
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$channel = $this->get_channel();
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common_element_start('image', array('rdf:about' => $image));
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common_element('title', NULL, $channel['title']);
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common_element('link', NULL, $channel['link']);
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common_element('url', NULL, $image);
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common_element_end('image');
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}
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}
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function show_item($notice) {
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$nurl = common_local_url('shownotice', array('notice' => $notice->id));
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common_element_start('item', array('rdf:about' => $notice->uri));
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common_element('title', NULL, $notice->created);
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common_element('link', NULL, $nurl);
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common_element('description', NULL, common_render_content($notice->content));
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common_element('dc:date', NULL, common_date_w3dtf($notice->created));
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common_element_end('item');
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}
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function init_rss() {
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header('Content-Type: application/rdf+xml');
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common_start_xml();
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common_element_start('rdf:RDF', array('xmlns:rdf' =>
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'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
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'xmlns:dc' =>
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'http://purl.org/dc/elements/1.1/',
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'xmlns' => 'http://purl.org/rss/1.0/'));
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}
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function end_rss() {
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common_element_end('rdf:RDF');
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}
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} |