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index.php
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<?php
/* Reminder: always indent with 4 spaces (no tabs). */
// +---------------------------------------------------------------------------+
// | Geeklog 2.2 |
// +---------------------------------------------------------------------------+
// | index.php |
// | |
// | Geeklog homepage. |
// +---------------------------------------------------------------------------+
// | Copyright (C) 2000-2017 by the following authors: |
// | |
// | Authors: Tony Bibbs - tony@tonybibbs.com |
// | Mark Limburg - mlimburg@users.sourceforge.net |
// | Jason Whittenburg - jwhitten@securitygeeks.com |
// | Dirk Haun - dirk@haun-online.de |
// +---------------------------------------------------------------------------+
// | |
// | This program is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU General Public License |
// | as published by the Free Software Foundation; either version 2 |
// | 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 General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software Foundation, |
// | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
// | |
// +---------------------------------------------------------------------------+
require_once 'lib-common.php';
require_once $_CONF['path_system'] . 'lib-article.php';
/**
* Update array if need be with correct topic.
*
* @param array $A Array of articles from db
* @param string $tid_list List of child topics of current topic
*/
function fixTopic(&$A, $tid_list)
{
global $_TABLES, $topic;
// This case may happen if a article belongs to the current topic but the default topic for the article is a child of the current topic.
$sql = "SELECT t.tid, t.topic, t.imageurl
FROM {$_TABLES['topics']} t, {$_TABLES['topic_assignments']} ta
WHERE t.tid = ta.tid";
// If all topics (blank) then find default topic
if (!empty($topic)) {
$sql .= " AND ta.type = 'article' AND ta.id = '{$A['sid']}' AND ta.tid = '$topic'";
} else {
$sql .= " AND ta.type = 'article' AND ta.id = '{$A['sid']}'";
}
$sql .= COM_getLangSQL('tid', 'AND', 't') . COM_getPermSQL('AND', 0, 2, 't');
$sql .= " GROUP BY tid, topic, imageurl, ta.tdefault ";
$sql .= " ORDER BY ta.tdefault DESC"; // Do this just in case story doesn't have a default (it always should) and the current topic is all
$result = DB_query($sql);
$nrows = DB_numRows($result);
if ($nrows > 0) {
$B = DB_fetchArray($result);
$A['tid'] = $B['tid'];
$A['topic'] = $B['topic'];
$A['imageurl'] = $B['imageurl'];
} else {
if (!empty($topic)) {
// Does not belong to current topic so check inherited
// Make sure sort order the same as in TOPIC_getTopic or articles with multiple topics might not display in the right topic when clicked
$sql = "SELECT t.tid, t.topic, t.imageurl
FROM {$_TABLES['topics']} t, {$_TABLES['topic_assignments']} ta
WHERE t.tid = ta.tid
AND ta.type = 'article' AND ta.id = '{$A['sid']}'
AND (ta.tid IN({$tid_list}) AND (ta.inherit = 1 OR (ta.inherit = 0 AND ta.tid = '{$topic}')))
" . COM_getLangSQL('tid', 'AND', 't') . COM_getPermSQL('AND', 0, 2, 't') . "
GROUP BY t.tid, topic, imageurl, ta.tdefault, ta.tid
ORDER BY ta.tdefault DESC, ta.tid ASC";
$result = DB_query($sql);
$nrows = DB_numRows($result);
if ($nrows > 0) {
$B = DB_fetchArray($result);
$A['tid'] = $B['tid'];
$A['topic'] = $B['topic'];
$A['imageurl'] = $B['imageurl'];
}
} else {
// This should not happen as every article should have at least 1 default topic
$A['tid'] = '';
$A['topic'] = '';
$A['imageurl'] = '';
}
}
}
// Main
// If URL routing is enabled, then let the router handle the request
if ($_CONF['url_rewrite'] && isset($_CONF['url_routing']) && !empty($_CONF['url_routing'])) {
Router::dispatch();
}
// See if user has access to view topic else display message.
// This check has already been done in lib-common so re-check to figure out if
// 404 message needs to be displayed.
$topic_check = '';
$page = 0;
if ($_CONF['url_rewrite']) {
COM_setArgNames(array(TOPIC_PLACEHOLDER, 'topic', 'page'));
if (strcasecmp(COM_getArgument(TOPIC_PLACEHOLDER), 'topic') === 0) {
$topic_check = COM_getArgument('topic');
$page = (int) COM_getArgument('page');
}
} else {
$topic_check = Geeklog\Input::fGet('topic', Geeklog\Input::fPost('topic', ''));
$page = (int) Geeklog\Input::get('page', 0);
}
// If user is allowed to switch languages
if ($_CONF['allow_user_language'] == 1) {
// Let's figure out if topic is for specific language
// If so let URL class know in case user changes language
$topic_lang = COM_getLanguageIdForObject($topic);
if (!empty($topic) AND !empty($topic_lang)) {
$_URL->setItemInfo($topic, $topic_lang);
}
}
if ($topic_check === '-') {
$topic_check = '';
}
if ($topic_check != '') {
if (strtolower($topic_check) != strtolower(DB_getItem($_TABLES['topics'], 'tid', "tid = '" . DB_escapeString($topic_check) . "' " . COM_getPermSQL('AND')))) {
COM_handle404();
}
}
if ($page == 0) {
$page = 1;
}
$displayAll = (Geeklog\Input::get('display') === 'all') && empty($topic);
// Retrieve the archive topic - currently only one supported
$archiveTid = DB_getItem($_TABLES['topics'], 'tid', "archive_flag=1");
$display = '';
if (!$displayAll) {
// give plugins a chance to replace this page entirely
$newContent = PLG_showCenterblock(0, $page, $topic);
if (!empty($newContent)) {
COM_output($newContent);
exit;
}
}
if (isset($_GET['msg'])) {
$plugin = Geeklog\Input::fGet('plugin', '');
$display .= COM_showMessage((int) Geeklog\Input::fGet('msg'), $plugin);
}
if (SEC_inGroup('Root') && ($page === 1)) {
$done = DB_getItem($_TABLES['vars'], 'value', "name = 'security_check'");
if ($done != 1) {
/**
* we don't have the path to the admin directory, so try to figure it
* out from $_CONF['site_admin_url']
*
* @todo FIXME: this duplicates some code from admin/sectest.php
*/
$adminurl = $_CONF['site_admin_url'];
if (strrpos($adminurl, '/') == strlen($adminurl)) {
$adminurl = substr($adminurl, 0, -1);
}
$pos = strrpos($adminurl, '/');
if ($pos === false) {
// only guessing ...
$installdir = $_CONF['path_html'] . 'admin/install';
} else {
$installdir = $_CONF['path_html'] . substr($adminurl, $pos + 1)
. '/install';
}
if (is_dir($installdir)) {
// deliberatly NOT print the actual path to the install dir
$secmsg = sprintf($LANG_SECTEST['remove_inst'], '')
. ' ' . $MESSAGE[92];
$display .= COM_showMessageText($secmsg);
}
}
}
// Show any Plugin formatted blocks
// Requires a plugin to have a function called plugin_centerblock_<plugin_name>
$displayBlock = PLG_showCenterblock(1, $page, $topic); // top blocks
if (!empty($displayBlock)) {
$display .= $displayBlock;
// Check if theme has added the template which allows the centerblock
// to span the top over the rightblocks
if (file_exists($_CONF['path_layout'] . 'topcenterblock-span.thtml')) {
$topspan = COM_newTemplate($_CONF['path_layout']);
$topspan->set_file(array('topspan' => 'topcenterblock-span.thtml'));
$topspan->parse('output', 'topspan');
$display .= $topspan->finish($topspan->get_var('output'));
$GLOBALS['centerspan'] = true;
}
}
if (COM_isAnonUser()) {
$U['maxstories'] = 0;
} else {
$result = DB_query("SELECT maxstories,tids,aids FROM {$_TABLES['userindex']} WHERE uid = '{$_USER['uid']}'");
$U = DB_fetchArray($result);
}
$maxstories = 0;
if ($U['maxstories'] >= $_CONF['minnews']) {
$maxstories = $U['maxstories'];
}
if ((!empty($topic)) && ($maxstories == 0)) {
$topiclimit = DB_getItem($_TABLES['topics'], 'limitnews', "tid = '" . DB_escapeString($topic) . "'");
if ($topiclimit >= $_CONF['minnews']) {
$maxstories = $topiclimit;
}
}
if ($maxstories == 0) {
$maxstories = $_CONF['limitnews'];
}
$limit = $maxstories;
if ($limit < 1) {
$limit = 1;
}
// Scan for any stories that have expired and should be archived or deleted
$asql = "SELECT sid,ta.tid,title,expire,statuscode FROM {$_TABLES['stories']}, {$_TABLES['topic_assignments']} ta ";
$asql .= "WHERE (expire <= NOW()) AND ta.type = 'article' AND ta.id = sid AND ta.tdefault = 1 AND (statuscode = " . STORY_DELETE_ON_EXPIRE;
if (empty($archiveTid)) {
$asql .= ')';
} else {
$asql .= ' OR statuscode = ' . STORY_ARCHIVE_ON_EXPIRE . ") AND ta.tid != '" . DB_escapeString($archiveTid) . "'";
}
$expiresql = DB_query($asql);
while (list($sid, $expiretopic, $title, $expire, $statuscode) = DB_fetcharray($expiresql)) {
if ($statuscode == STORY_ARCHIVE_ON_EXPIRE) {
if (!empty($archiveTid)) {
COM_errorLog("Archive Story: $sid, Topic: $archiveTid, Title: $title, Expired: $expire");
// Delete all topic references to story except topic default
$asql = "DELETE FROM {$_TABLES['topic_assignments']} "
. "WHERE type = 'article' AND id = '" . DB_escapeString($sid) . "' AND tdefault = 0";
DB_query($asql);
// Now move over story to archive topic
$asql = "UPDATE {$_TABLES['stories']} s, {$_TABLES['topic_assignments']} ta
SET ta.tid = '" . DB_escapeString($archiveTid) . "', s.frontpage = '0', s.featured = '0'
WHERE s.sid='" . DB_escapeString($sid) . "' AND ta.type = 'article' AND ta.id = s.sid AND ta.tdefault = 1";
DB_query($asql);
}
} elseif ($statuscode == STORY_DELETE_ON_EXPIRE) {
COM_errorLog("Delete Story and comments: $sid, Topic: $expiretopic, Title: $title, Expired: $expire");
STORY_doDeleteThisStoryNow($sid);
}
}
// Figure out different settings to display stories in a topic
$sql = " (date <= NOW()) AND (draft_flag = 0)";
if (empty($topic)) {
$sql .= COM_getLangSQL('tid', 'AND', 'ta');
}
// if a topic was provided only select those stories.
$tid_list = '';
if (!empty($topic)) {
// Retrieve list of inherited topics
$tid_list = TOPIC_getChildList($topic);
// Could have empty list if $topic does not exist or does not have permission so let it equal topic and will error out properly at end
if (empty($tid_list)) {
$tid_list = "'" . DB_escapeString($topic) . "'";
}
$sql .= " AND (ta.tid IN({$tid_list}) AND (ta.inherit = 1 OR (ta.inherit = 0 AND ta.tid = '" . DB_escapeString($topic) . "')))";
} else {
$sql .= " AND frontpage = 1 AND ta.tdefault = 1";
}
if (strtolower($topic) != strtolower($archiveTid)) {
$sql .= " AND ta.tid != '" . DB_escapeString($archiveTid) . "' ";
}
$sql .= COM_getPermSQL('AND', 0, 2, 's');
if (!empty($U['aids'])) {
$sql .= " AND s.uid NOT IN (" . str_replace(' ', ",", $U['aids']) . ") ";
}
if (!empty($U['tids'])) {
$sql .= " AND ta.tid NOT IN ('" . str_replace(' ', "','", $U['tids']) . "') ";
}
$sql .= COM_getTopicSQL('AND', 0, 'ta') . ' ';
$offset = ($page - 1) * $limit;
$userfields = 'u.uid, u.username, u.fullname';
if ($_CONF['allow_user_photo'] == 1) {
$userfields .= ', u.photo';
if ($_CONF['use_gravatar']) {
$userfields .= ', u.email';
}
}
// The incorrect t.topic, t.imageurl will most likely be returned so removed from this statement
// and added later in fixTopic function. (also because of MySQL 5.7 default install support)
$msql = "SELECT s.*, UNIX_TIMESTAMP(s.date) AS unixdate,
UNIX_TIMESTAMP(s.expire) as expireunix,
{$userfields}
FROM {$_TABLES['stories']} AS s, {$_TABLES['topic_assignments']} AS ta, {$_TABLES['users']} AS u,
{$_TABLES['topics']} AS t WHERE (s.uid = u.uid) AND (ta.tid = t.tid) AND
ta.type = 'article' AND ta.id = s.sid " . COM_getLangSQL('sid', 'AND', 's') . " AND
{$sql} GROUP BY s.sid, s.uid, s.draft_flag, s.date, s.title, s.page_title, s.introtext,
s.bodytext, s.text_version, s.hits, s.numemails, s.comments, s.comment_expire, s.trackbacks,
s.related, s.featured, s.show_topic_icon, s.commentcode, s.trackbackcode, s.statuscode, s.expire,
s.postmode, s.advanced_editor_mode, s.frontpage, s.meta_description, s.meta_keywords,
s.cache_time, s.owner_id, s.group_id, s.perm_owner, s.perm_group, s.perm_members, s.perm_anon,
expireunix, {$userfields}, date
ORDER BY featured DESC, date DESC LIMIT {$offset}, {$limit}";
$result = DB_query($msql);
// Figure out number of total pages
$data = DB_query("SELECT s.sid FROM {$_TABLES['stories']} AS s, {$_TABLES['topic_assignments']} AS ta WHERE ta.type = 'article' AND ta.id = s.sid AND $sql GROUP BY s.sid");
$nrows = DB_numRows($data);
$num_pages = ceil($nrows / $limit);
$breadcrumbs = '';
if ($A = DB_fetchArray($result)) {
fixTopic($A, $tid_list);
$story = new Article();
$story->loadFromArray($A);
if ($_CONF['showfirstasfeatured'] == 1) {
$story->_featured = 1;
}
// Display breadcrumb trail
if (!empty($topic)) {
$breadcrumbs = TOPIC_breadcrumbs('topic', $topic);
if ($_CONF['supported_version_theme'] === '1.8.1') {
$display .= $breadcrumbs;
}
}
// display first article
$display .= STORY_renderArticle($story, 'y');
// get plugin center blocks after featured article
if ($story->DisplayElements('featured') == 1) {
$display .= PLG_showCenterblock(2, $page, $topic);
}
// get remaining stories
while ($A = DB_fetcharray($result)) {
fixTopic($A, $tid_list);
$story = new Article();
$story->loadFromArray($A);
$display .= STORY_renderArticle($story, 'y');
}
// get plugin center blocks that follow articles
$display .= PLG_showCenterblock(3, $page, $topic); // bottom blocks
// Print Google-like paging navigation
if (!isset($_CONF['hide_main_page_navigation']) ||
($_CONF['hide_main_page_navigation'] == 'false') ||
($_CONF['hide_main_page_navigation'] === 'frontpage' && !empty($topic))) {
if ($_CONF['url_rewrite']) {
$tempTopic = empty($topic) ? '-' : $topic;
$base_url = COM_buildURL(
$_CONF['site_url'] . '/index.php?'
. http_build_query(array(
TOPIC_PLACEHOLDER => 'topic',
'topic' => $tempTopic,
))
);
} else {
if (!empty($topic)) {
$base_url = COM_buildURL(
$_CONF['site_url'] . '/index.php?'
. http_build_query(array(
'topic' => $topic,
))
);
} else {
$base_url = $_CONF['site_url'] . '/index.php';
}
}
$display .= COM_printPageNavigation($base_url, $page, $num_pages, 'page=', (bool) $_CONF['url_rewrite']);
}
} else { // no stories to display
if ($page == 1) {
if (!isset($_CONF['hide_no_news_msg']) || ($_CONF['hide_no_news_msg'] == 0)) {
$display .= COM_startBlock($LANG05[1], '',
COM_getBlockTemplate('_msg_block', 'header')) . $LANG05[2];
$display .= COM_endBlock(COM_getBlockTemplate('_msg_block', 'footer'));
}
$display .= PLG_showCenterblock(3, $page, $topic); // bottom blocks
} else {
$topic_url = '';
if (!empty($topic)) {
$topic_url = TOPIC_getUrl($topic);
}
COM_handle404($topic_url);
}
}
$header = '';
if ($topic) {
// Meta Tags
if ($_CONF['meta_tags'] > 0) {
$result = DB_query("SELECT meta_description, meta_keywords FROM {$_TABLES['topics']} WHERE tid = '" . DB_escapeString($topic) . "'");
$A = DB_fetcharray($result);
$header .= LB . PLG_getMetaTags(
'homepage', '',
array(
array(
'name' => 'description',
'content' => stripslashes($A['meta_description']),
),
array(
'name' => 'keywords',
'content' => stripslashes($A['meta_keywords']),
),
)
);
}
}
$display = COM_createHTMLDocument(
$display,
array(
'breadcrumbs' => $breadcrumbs,
'headercode' => $header,
'rightblock' => true,
)
);
// Output page
COM_output($display);