mirror of https://github.com/BOINC/boinc.git
134 lines
4.4 KiB
PHP
134 lines
4.4 KiB
PHP
<?php
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// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2009 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC 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.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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require_once("../inc/forum.inc");
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require_once("../inc/boinc_db.inc");
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require_once("../inc/text_transform.inc");
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// return true if the given HTML may contain images or video
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//
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function contains_image_or_video($x) {
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if (strstr($x, "<img ")) return true;
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if (strstr($x, "<object ")) return true;
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if (strstr($x, "<iframe ")) return true;
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return false;
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}
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function show_forum_rss_item($thread, $userid, $threads_only, $no_images) {
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$unique_url=secure_url_base()."forum_thread.php?id=".$thread->id;
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$clause2 = " and hidden=0 ";
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if ($userid) $clause2 .= "and user=$userid";
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if ($threads_only) {
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$posts = BoincPost::enum("thread=$thread->id $clause2 order by id limit 1");
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} else {
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$posts = BoincPost::enum("thread=$thread->id $clause2 order by timestamp desc limit 1");
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}
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if (!count($posts)) return;
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$post = $posts[0];
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$post_date = gmdate('D, d M Y H:i:s',$post->timestamp).' GMT';
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$post_user = BOincUser::lookup_id($post->user);
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BoincForumPrefs::lookup($post_user);
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$options = new output_options();
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if (is_admin($post_user)) {
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$options->htmlitems = false;
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}
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$t = output_transform($post->content, $options);
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if ($no_images && contains_image_or_video($t)) return;
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echo "<item>
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<title><![CDATA[".sanitize_tags(bb2html($thread->title))."]]></title>
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<link>$unique_url</link>
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<guid isPermaLink=\"true\">$unique_url</guid>
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<description><![CDATA[\n$t\n]]></description>
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<pubDate>$post_date</pubDate>
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</item>
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";
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}
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function forum_rss($forumid, $userid, $threads_only, $ndays) {
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$clause = "forum=$forumid ";
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if ($userid) {
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$user = BoincUser::lookup_id($userid);
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if (!$user) error_page("no such user");
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$clause .= " and owner=$userid";
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}
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$tlimit = time() - $ndays*86400;
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if ($threads_only) {
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$q = "$clause and hidden=0 and create_time > $tlimit order by create_time desc";
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} else {
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$q = "$clause and hidden=0 and timestamp > $tlimit order by timestamp desc";
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}
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$threads = BoincThread::enum($q);
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// Get unix time that last modification was made to the news source
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//
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// Now construct header
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//
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header ("Expires: " . gmdate('D, d M Y H:i:s', time()+86400) . " GMT");
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if (sizeof($threads)) {
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$t = $threads[0];
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$last_mod_time = $threads_only?$t->create_time:$t->timestamp;
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$create_date = gmdate('D, d M Y H:i:s', $last_mod_time) . ' GMT';
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header ("Last-Modified: " . $create_date);
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} else {
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$create_date = gmdate('D, d M Y H:i:s') . ' GMT';
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}
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header ("Content-Type: application/xml");
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$forum=BoincForum::lookup_id($forumid);
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// Create channel header and open XML content
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//
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$description = PROJECT.": $forum->title";
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if ($userid) {
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$description .= " (posts by $user->name)";
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}
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$channel_image = secure_url_base() . "rss_image.gif";
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$language = "en-us";
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echo "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>
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<rss version=\"2.0\">
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<channel>
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<title>".$description."</title>
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<description>".$description."</description>
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<link>".secure_url_base()."</link>
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<copyright>".COPYRIGHT_HOLDER."</copyright>
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<lastBuildDate>".$create_date."</lastBuildDate>
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<language>".$language."</language>
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<image>
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<url>".$channel_image."</url>
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<title>".PROJECT."</title>
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<link>".secure_url_base()."</link>
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</image>
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";
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foreach ($threads as $thread) {
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show_forum_rss_item($thread, $userid, $threads_only, false);
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}
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echo "
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</channel>
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</rss>
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";
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}
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?>
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