function saveComment()
{
global $siteurl, $comments_moderate, $comments_sendmail, $txpcfg, $comments_disallow_images, $prefs;
$ref = serverset('HTTP_REFERRER');
$in = getComment();
$evaluator =& get_comment_evaluator();
extract($in);
if (!checkCommentsAllowed($parentid)) {
txp_die(gTxt('comments_closed'), '403');
}
$ip = serverset('REMOTE_ADDR');
if (!checkBan($ip)) {
txp_die(gTxt('you_have_been_banned'), '403');
}
$blacklisted = is_blacklisted($ip);
if ($blacklisted) {
txp_die(gTxt('your_ip_is_blacklisted_by' . ' ' . $blacklisted), '403');
}
$web = clean_url($web);
$email = clean_url($email);
if ($remember == 1 || ps('checkbox_type') == 'forget' && ps('forget') != 1) {
setCookies($name, $email, $web);
} else {
destroyCookies();
}
$name = doSlash(strip_tags(deEntBrackets($name)));
$web = doSlash(strip_tags(deEntBrackets($web)));
$email = doSlash(strip_tags(deEntBrackets($email)));
$message = substr(trim($message), 0, 65535);
$message2db = doSlash(markup_comment($message));
$isdup = safe_row("message,name", "txp_discuss", "name='{$name}' and message='{$message2db}' and ip='" . doSlash($ip) . "'");
if ($prefs['comments_require_name'] && !trim($name) || $prefs['comments_require_email'] && !trim($email) || !trim($message)) {
$evaluator->add_estimate(RELOAD, 1);
// The error-messages are added in the preview-code
}
if ($isdup) {
$evaluator->add_estimate(RELOAD, 1);
}
// FIXME? Tell the user about dupe?
if ($evaluator->get_result() != RELOAD && checkNonce($nonce)) {
callback_event('comment.save');
$visible = $evaluator->get_result();
if ($visible != RELOAD) {
$parentid = assert_int($parentid);
$rs = safe_insert("txp_discuss", "parentid = {$parentid},\n\t\t\t\t\t name\t\t = '{$name}',\n\t\t\t\t\t email\t = '{$email}',\n\t\t\t\t\t web\t\t = '{$web}',\n\t\t\t\t\t ip\t\t = '" . doSlash($ip) . "',\n\t\t\t\t\t message = '{$message2db}',\n\t\t\t\t\t visible = " . intval($visible) . ",\n\t\t\t\t\t posted\t = now()");
if ($rs) {
safe_update("txp_discuss_nonce", "used = 1", "nonce='" . doSlash($nonce) . "'");
if ($prefs['comment_means_site_updated']) {
update_lastmod();
}
if ($comments_sendmail) {
mail_comment($message, $name, $email, $web, $parentid, $rs);
}
$updated = update_comments_count($parentid);
$backpage = substr($backpage, 0, $prefs['max_url_len']);
$backpage = preg_replace("/[\n\r#].*\$/s", '', $backpage);
$backpage = preg_replace("#(https?://[^/]+)/.*\$#", "\$1", hu) . $backpage;
if (defined('PARTLY_MESSY') and PARTLY_MESSY) {
$backpage = permlinkurl_id($parentid);
}
$backpage .= (strstr($backpage, '?') ? '&' : '?') . 'commented=' . ($visible == VISIBLE ? '1' : '0');
txp_status_header('302 Found');
if ($comments_moderate) {
header('Location: ' . $backpage . '#txpCommentInputForm');
} else {
header('Location: ' . $backpage . '#c' . sprintf("%06s", $rs));
}
log_hit('302');
$evaluator->write_trace();
exit;
}
}
}
// Force another Preview
$_POST['preview'] = RELOAD;
//$evaluator->write_trace();
}
function handle_lastmod($unix_ts = NULL, $exit = 1)
{
global $prefs;
extract($prefs);
if ($send_lastmod and $production_status == 'live') {
$unix_ts = get_lastmod($unix_ts);
# make sure lastmod isn't in the future
$unix_ts = min($unix_ts, time());
# or too far in the past (7 days)
$unix_ts = max($unix_ts, time() - 3600 * 24 * 7);
$last = safe_strftime('rfc822', $unix_ts, 1);
header("Last-Modified: {$last}");
header('Cache-Control: no-cache');
$hims = serverset('HTTP_IF_MODIFIED_SINCE');
if ($hims and @strtotime($hims) >= $unix_ts) {
log_hit('304');
if (!$exit) {
return array('304', $last);
}
txp_status_header('304 Not Modified');
# some mod_deflate versions have a bug that breaks subsequent
# requests when keepalive is used. dropping the connection
# is the only reliable way to fix this.
if (empty($lastmod_keepalive)) {
header('Connection: close');
}
header('Content-Length: 0');
# discard all output
while (@ob_end_clean()) {
}
exit;
}
if (!$exit) {
return array('200', $last);
}
}
}
function output_file_download($filename)
{
global $file_error, $file_base_path, $pretext;
callback_event('file_download');
if (!isset($file_error)) {
$filename = sanitizeForFile($filename);
$fullpath = build_file_path($file_base_path, $filename);
if (is_file($fullpath)) {
// Discard any error PHP messages.
ob_clean();
$filesize = filesize($fullpath);
$sent = 0;
header('Content-Description: File Download');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . $filename . '"; size = "' . $filesize . '"');
// Fix for IE6 PDF bug on servers configured to send cache headers.
header('Cache-Control: private');
@ini_set("zlib.output_compression", "Off");
@set_time_limit(0);
@ignore_user_abort(true);
if ($file = fopen($fullpath, 'rb')) {
while (!feof($file) and connection_status() == 0) {
echo fread($file, 1024 * 64);
$sent += 1024 * 64;
ob_flush();
flush();
}
fclose($file);
// Record download.
if (connection_status() == 0 and !connection_aborted()) {
safe_update('txp_file', "downloads = downloads + 1", "id = " . intval($pretext['id']));
} else {
$pretext['request_uri'] .= $sent >= $filesize ? '#aborted' : "#aborted-at-" . floor($sent * 100 / $filesize) . "%";
}
log_hit('200');
}
} else {
$file_error = 404;
}
}
// Deal with error.
if (isset($file_error)) {
switch ($file_error) {
case 403:
txp_die(gTxt('403_forbidden'), '403');
break;
case 404:
txp_die(gTxt('404_not_found'), '404');
break;
default:
txp_die(gTxt('500_internal_server_error'), '500');
break;
}
}
}
break;
case 404:
txp_die(gTxt('404_not_found'), '404');
break;
default:
txp_die(gTxt('500_internal_server_error'), '500');
break;
}
}
// download done
exit(0);
}
// send 304 Not Modified if appropriate
handle_lastmod();
// log the page view
log_hit($status);
// -------------------------------------------------------------
function preText($s, $prefs)
{
extract($prefs);
callback_event('pretext');
if (gps('rss')) {
include txpath . '/publish/rss.php';
exit(rss());
}
if (gps('atom')) {
include txpath . '/publish/atom.php';
exit(atom());
}
// set messy variables
$out = makeOut('id', 's', 'c', 'q', 'pg', 'p', 'month', 'author');
/**
* Sends and handles a lastmod header.
*
* @param int|null $unix_ts The last modification date as a UNIX timestamp
* @param bool $exit If TRUE, terminates the script
* @return array|null Array of sent HTTP status and the lastmod header, or NULL
* @package Pref
*/
function handle_lastmod($unix_ts = null, $exit = true)
{
if (get_pref('send_lastmod') && get_pref('production_status') == 'live') {
$unix_ts = get_lastmod($unix_ts);
// Make sure lastmod isn't in the future.
$unix_ts = min($unix_ts, time());
// Or too far in the past (7 days).
$unix_ts = max($unix_ts, time() - 3600 * 24 * 7);
$last = safe_strftime('rfc822', $unix_ts, 1);
header("Last-Modified: {$last}");
header('Cache-Control: no-cache');
$hims = serverSet('HTTP_IF_MODIFIED_SINCE');
if ($hims and @strtotime($hims) >= $unix_ts) {
log_hit('304');
if (!$exit) {
return array('304', $last);
}
txp_status_header('304 Not Modified');
// Some mod_deflate versions have a bug that breaks subsequent
// requests when keepalive is used. dropping the connection
// is the only reliable way to fix this.
if (!get_pref('lastmod_keepalive')) {
header('Connection: close');
}
header('Content-Length: 0');
// Discard all output.
while (@ob_end_clean()) {
}
exit;
}
if (!$exit) {
return array('200', $last);
}
}
}
function _textpattern()
{
global $plugins_ver, $pretext, $prefs, $plugin_callback;
$this->debug('Plugin: ' . $this->plugin_name . ' - ' . $plugins_ver[$this->plugin_name]);
$this->debug('Function: ' . __FUNCTION__ . '()');
// URI
$req = $pretext['req'];
$req = preg_replace('%\\?[^\\/]+$%', '', $req);
$this->debug('Request URI: ' . $req);
$uri = explode('/', trim($req, '/'));
// The number of components comes in useful when determining the best partial match.
$uri_component_count = count($uri);
// Permanent links
$permlinks = $this->get_all_permlinks(1);
// Force Textpattern and tags to use messy URLs - these are easier to
// find in regex
$this->set_permlink_mode();
if (count($permlinks)) {
// We also want to match the front page of the site (for page numbers / feeds etc..).
// Add a permlinks rule which will do that.
$permlinks['default'] = array('components' => array(), 'settings' => array('pl_name' => 'gbp_permanent_links_default', 'pl_precedence' => '', 'pl_preview' => '/', 'con_section' => '', 'con_category' => '', 'des_section' => '', 'des_category' => '', 'des_permlink' => '', 'des_feed' => '', 'des_location' => '', 'des_page' => ''));
// Extend the pretext_replacement scope outside the foreach permlink loop
$pretext_replacement = NULL;
foreach ($permlinks as $id => $pl) {
// Extract the permlink settings
$pl_settings = $pl['settings'];
extract($pl_settings);
$this->debug('Permlink name: ' . $pl_name);
$this->debug('Permlink id: ' . $id);
$this->debug('Preview: ' . $pl_preview);
$pl_components = $pl['components'];
// URI components
$uri_components = $uri;
$this->debug('PL component count: ' . count($pl_components));
$this->debug('URL component count: ' . count($uri_components));
$date = false;
$title_page_feed = false;
foreach ($pl_components as $pl_c) {
// Are we expecting a date component? If so the number of pl and uri components won't match
if ($pl_c['type'] == 'date') {
$date = true;
} else {
if (in_array($pl_c['type'], array('title', 'page', 'feed'))) {
$title_page_feed = true;
}
}
}
if (!$title_page_feed) {
// If there isn't a title, page or feed component then append a special type for cleaver partial matching
$pl_components[] = array('type' => 'title_page_feed', 'prefix' => '', 'suffix' => '', 'regex' => '', 'text' => '');
}
// Exit early if there are more URL components than PL components,
// taking into account whether there is a data component
if (!$uri_components[0] || count($uri_components) > count($pl_components) + ($date ? 2 : 0)) {
$this->debug('More URL components than PL components');
continue;
}
// Reset pretext_replacement as we are about to start another comparison
$pretext_replacement = array('permlink_id' => $id);
// Reset the article context string
$context = array();
unset($context_str);
if (!empty($des_section)) {
$context[] = "`Section` = '{$des_section}'";
}
if (!empty($des_category)) {
$context[] = "(`Category1` = '{$des_category}' OR `Category2` = '{$des_category}')";
}
$context_str = count($context) > 0 ? 'and ' . join(' and ', $context) : '';
// Assume there is no match
$partial_match = false;
$cleaver_partial_match = false;
// Loop through the permlink components
foreach ($pl_components as $pl_c_index => $pl_c) {
// Assume there is no match
$match = false;
// Check to see if there are still URI components to be checked.
if (count($uri_components)) {
// Get the next component.
$uri_c = array_shift($uri_components);
} else {
if (!$title_page_feed && count($pl_components) - 1 == $uri_component_count) {
// If we appended a title_page_feed component earlier and permlink and URI components
// counts are equal, we must of finished checking this permlink, and it matches so break.
$match = true;
break;
} else {
// If there are no more URI components then we have a partial match.
// Store the partial match data unless there has been a preceding permlink with the
// same number of components, as permlink have already been sorted by precedence.
if (!array_key_exists($uri_component_count, $this->partial_matches)) {
$this->partial_matches[$uri_component_count] = $pretext_replacement;
}
// Unset pretext_replacement as changes could of been made in a preceding component
unset($pretext_replacement);
// Break early form the foreach permlink components loop.
$partial_match = true;
break;
}
}
// Extract the permlink components.
extract($pl_c);
// If it's a date, grab and combine the next two URI components.
if ($type == 'date') {
$uri_c .= '/' . array_shift($uri_components) . '/' . array_shift($uri_components);
}
// Decode the URL
$uri_c = urldecode($uri_c);
// Always check the type unless the prefix or suffix aren't there
$check_type = true;
// Check prefix
if ($prefix && $this->pref('show_prefix')) {
$sanitized_prefix = urldecode($this->encode_url($prefix));
if (($pos = strpos($uri_c, $sanitized_prefix)) === false || $pos != 0) {
$check_type = false;
$this->debug('Can\'t find prefix: ' . $prefix);
} else {
// Check passed, remove prefix ready for the next check
$uri_c = substr_replace($uri_c, '', 0, strlen($sanitized_prefix));
}
}
// Check suffix
if ($check_type && $suffix && $this->pref('show_suffix')) {
$sanitized_suffix = urldecode($this->encode_url($suffix));
if (($pos = strrpos($uri_c, $sanitized_suffix)) === false) {
$check_type = false;
$this->debug('Can\'t find suffix: ' . $suffix);
} else {
// Check passed, remove suffix ready for the next check
$uri_c = substr_replace($uri_c, '', $pos, strlen($sanitized_suffix));
}
}
// Both the prefix and suffix settings have passed
if ($check_type) {
$this->debug('Checking if "' . $uri_c . '" is of type "' . $type . '"');
$uri_c = doSlash($uri_c);
//
if ($prefs['permalink_title_format']) {
$mt_search = array('/_/', '/\\.html$/');
$mt_replace = array('-', '');
} else {
$mt_search = array('/(?:^|_)(.)/e', '/\\.html$/');
$mt_replace = array("strtoupper('\\1')", '');
}
$mt_uri_c = $this->pref('redirect_mt_style_links') ? preg_replace($mt_search, $mt_replace, $uri_c) : '';
// Compare based on type
switch ($type) {
case 'section':
if ($rs = safe_row('name', 'txp_section', "(`name` like '{$uri_c}' or `name` like '{$mt_uri_c}') limit 1")) {
$this->debug('Section name: ' . $rs['name']);
$pretext_replacement['s'] = $rs['name'];
$context[] = "`Section` = '{$rs['name']}'";
$match = true;
}
break;
case 'category':
if ($rs = safe_row('name', 'txp_category', "(`name` like '{$uri_c}' or `name` like '{$mt_uri_c}') and `type` = 'article' limit 1")) {
$this->debug('Category name: ' . $rs['name']);
$pretext_replacement['c'] = $rs['name'];
$context[] = "(`Category1` = '{$rs['name']}' OR `Category2` = '{$uri_c}')";
$match = true;
}
break;
case 'title':
if ($rs = safe_row('url_title', 'textpattern', "(`url_title` like '{$uri_c}' or `url_title` like '{$mt_uri_c}') {$context_str} and `Status` >= 4 limit 1")) {
$this->debug('URL Title: ' . $rs['url_title']);
$mt_redirect = $uri_c != $mt_uri_c;
$pretext_replacement['url_title'] = $rs['url_title'];
$match = true;
}
break;
case 'id':
if ($rs = safe_row('ID, Posted', 'textpattern', "`ID` = '{$uri_c}' {$context_str} and `Status` >= 4 limit 1")) {
$pretext_replacement['id'] = $rs['ID'];
$pretext_replacement['Posted'] = $rs['Posted'];
$pretext['numPages'] = 1;
$pretext['is_article_list'] = false;
$match = true;
}
break;
case 'author':
if ($author = safe_field('name', 'txp_users', "RealName like '{$uri_c}' limit 1")) {
$pretext_replacement['author'] = $author;
$context[] = "`AuthorID` = '{$author}'";
$match = true;
}
break;
case 'login':
if ($author = safe_field('name', 'txp_users', "name like '{$uri_c}' limit 1")) {
$pretext_replacement['author'] = $author;
$context[] = "`AuthorID` = '{$author}'";
$match = true;
}
break;
case 'custom':
$custom_options = array_values(array_map(array($this, "encode_url"), safe_column("custom_{$custom}", 'textpattern', "custom_{$custom} != ''")));
if ($this->pref('force_lowercase_urls')) {
$custom_options = array_map("strtolower", $custom_options);
}
if (in_array($uri_c, $custom_options)) {
$match = true;
}
break;
case 'date':
if (preg_match('/^\\d{4}\\/\\d{2}\\/\\d{2}$/', $uri_c)) {
$pretext_replacement['date'] = str_replace('/', '-', $uri_c);
$match = true;
}
break;
case 'year':
if (preg_match('/^\\d{4}$/', $uri_c)) {
$pretext_replacement['year'] = $uri_c;
$match = true;
}
break;
case 'month':
case 'day':
if (preg_match('/^\\d{2}$/', $uri_c)) {
$pretext_replacement[$type] = $uri_c;
$match = true;
}
break;
case 'page':
if (is_numeric($uri_c)) {
$pretext_replacement['pg'] = $uri_c;
$match = true;
}
break;
case 'feed':
if (in_array($uri_c, array('rss', 'atom'))) {
$pretext_replacement[$uri_c] = 1;
$match = true;
}
break;
case 'search':
$pretext_replacement['q'] = $uri_c;
$match = true;
break;
case 'text':
if ($this->encode_url($text) == $uri_c) {
$match = true;
$pretext_replacement["permlink_text_{$name}"] = $uri_c;
}
break;
case 'regex':
// Check to see if regex is valid without outputting error messages.
ob_start();
preg_match($regex, $uri_c, $regex_matches);
$is_valid_regex = !ob_get_clean();
if ($is_valid_regex && @$regex_matches[0]) {
$match = true;
$pretext_replacement["permlink_regex_{$name}"] = $regex_matches[0];
}
break;
}
// switch type end
// Update the article context string
$context_str = count($context) > 0 ? 'and ' . join(' and ', $context) : '';
$this->debug($match == true ? 'YES' : 'NO');
if (!$match && !$cleaver_partial_match && $this->pref('use_cleaver_partial_matches')) {
// There hasn't been a match or a complete cleaver partial match. Lets try to be cleaver and
// check to see if this component is either a title, page or a feed. This makes it more probable
// a successful match for a given permlink rule occurs.
$this->debug('Checking if "' . $uri_c . '" is of type "title_page_feed"');
if ($type != 'title' && ($url_title = safe_field('url_title', 'textpattern', "`url_title` like '{$uri_c}' {$context_str} and `Status` >= 4 limit 1"))) {
$pretext_replacement['url_title'] = $url_title;
$pretext['numPages'] = 1;
$pretext['is_article_list'] = false;
$cleaver_partial_match = true;
} else {
if ($this->pref('clean_page_archive_links') && $type != 'page' && is_numeric($uri_c)) {
$pretext_replacement['pg'] = $uri_c;
$cleaver_partial_match = true;
} else {
if ($type != 'feed' && in_array($uri_c, array('rss', 'atom'))) {
$pretext_replacement[$uri_c] = 1;
$cleaver_partial_match = true;
}
}
}
$this->debug($cleaver_partial_match == true ? 'YES' : 'NO');
if ($cleaver_partial_match) {
$this->cleaver_partial_match = $pretext_replacement;
// Unset pretext_replacement as changes could of been made in a preceding component
unset($pretext_replacement);
$cleaver_partial_match = true;
continue 2;
}
}
}
// check type end
// Break early if the component doesn't match, as there is no point continuing
if ($match == false) {
// Unset pretext_replacement as changes could of been made in a preceding component
unset($pretext_replacement);
break;
}
}
// foreach permlink component end
if (!isset($pretext_replacement['id'])) {
if (isset($pretext_replacement['url_title'])) {
if (isset($pretext_replacement['date'])) {
$date_val = $pretext_replacement['date'];
} else {
if (isset($pretext_replacement['year'])) {
$date_val = $pretext_replacement['year'];
if (isset($pretext_replacement['month'])) {
$date_val .= '-' . $pretext_replacement['month'];
if (isset($pretext_replacement['day'])) {
$date_val .= '-' . $pretext_replacement['day'];
}
}
}
}
if (isset($date_val)) {
$context_str .= " and `Posted` like '{$date_val}%'";
}
if ($rs = safe_row('ID, Posted', 'textpattern', "`url_title` like '{$pretext_replacement['url_title']}' {$context_str} and `Status` >= 4 order by `Posted` desc limit 1")) {
if (isset($date_val)) {
$this->debug('Found date and title-based match.');
} else {
$this->debug('Found title-based match.');
}
$pretext_replacement['id'] = $rs['ID'];
$pretext_replacement['Posted'] = $rs['Posted'];
$pretext['numPages'] = 1;
$pretext['is_article_list'] = false;
} else {
$match = false;
unset($pretext_replacement);
}
}
}
if ($match || $partial_match || $cleaver_partial_match) {
// Extract the settings for this permlink
@extract($permlinks[$pretext_replacement['permlink_id']]['settings']);
// Check the permlink section and category conditions
if (!empty($con_section) && $con_section != @$pretext_replacement['s'] || !empty($con_category) && $con_category != @$pretext_replacement['c']) {
$this->debug('Permlink conditions failed');
if (@$con_section) {
$this->debug('con_section = ' . $con_section);
}
if (@$con_category) {
$this->debug('con_category = ' . $con_category);
}
unset($pretext_replacement);
} else {
if ($match && isset($pretext_replacement)) {
$this->debug('We have a match!');
} else {
if ($partial_match && count($this->partial_matches)) {
$this->debug('We have a \'partial match\'');
} else {
if ($cleaver_partial_match && isset($cleaver_partial_match)) {
$this->debug('We have a \'cleaver partial match\'');
} else {
$this->debug('Error: Can\'t determine the correct type match');
// This permlink has failed, continue execution of the foreach permlinks loop
unset($pretext_replacement);
}
}
}
}
}
// We have a match
if (@$pretext_replacement) {
break;
}
}
// foreach permlinks end
// If there is no match restore the most likely partial match. Sorted by number of components and then precedence
if (!@$pretext_replacement && count($this->partial_matches)) {
$pt_slice = array_slice($this->partial_matches, -1);
$pretext_replacement = array_shift($pt_slice);
}
unset($this->partial_matches);
// Restore the cleaver_partial_match if there is no other matches
if (!@$pretext_replacement && $this->cleaver_partial_match) {
$pretext_replacement = $this->cleaver_partial_match;
}
unset($this->cleaver_partial_match);
// Extract the settings for this permlink
@extract($permlinks[$pretext_replacement['permlink_id']]['settings']);
// If pretext_replacement is still set here then we have a match
if (@$pretext_replacement) {
$this->debug('Pretext Replacement ' . print_r($pretext_replacement, 1));
if (!empty($des_section)) {
$pretext_replacement['s'] = $des_section;
}
if (!empty($des_category)) {
$pretext_replacement['c'] = $des_category;
}
if (!empty($des_feed)) {
$pretext_replacement[$des_feed] = 1;
}
if (@$pretext_replacement['id'] && @$pretext_replacement['Posted']) {
if ($np = getNextPrev($pretext_replacement['id'], $pretext_replacement['Posted'], @$pretext_replacement['s'])) {
$pretext_replacement = array_merge($pretext_replacement, $np);
}
}
unset($pretext_replacement['Posted']);
// If there is a match then we most set the http status correctly as txp's pretext might set it to 404
$pretext_replacement['status'] = '200';
// Store the orginial HTTP status code
// We might need to log the page hit if it equals 404
$orginial_status = $pretext['status'];
// Txp only looks at the month, but due to how we phase the month we can manipulate the sql to our needs
if (array_key_exists('date', $pretext_replacement)) {
$pretext_replacement['month'] = $pretext_replacement['date'];
unset($pretext_replacement['date']);
} else {
if (array_key_exists('year', $pretext_replacement) || array_key_exists('month', $pretext_replacement) || array_key_exists('day', $pretext_replacement)) {
$month = '';
$month .= array_key_exists('year', $pretext_replacement) ? $pretext_replacement['year'] . '-' : '____-';
$month .= array_key_exists('month', $pretext_replacement) ? $pretext_replacement['month'] . '-' : '__-';
$month .= array_key_exists('day', $pretext_replacement) ? $pretext_replacement['day'] . ' ' : '__ ';
$pretext_replacement['month'] = $month;
unset($pretext_replacement['year']);
unset($pretext_replacement['day']);
}
}
// Section needs to be defined so we can always get a page template.
if (!array_key_exists('s', $pretext_replacement)) {
if (!@$pretext_replacement['id']) {
$pretext_replacement['s'] = 'default';
} else {
$pretext_replacement['s'] = safe_field('Section', 'textpattern', 'ID = ' . $pretext_replacement['id']);
}
}
// Set the css and page template, otherwise we get an unknown section
$section_settings = safe_row('css, page', 'txp_section', "name = '{$pretext_replacement['s']}' limit 1");
$pretext_replacement['page'] = @$des_page ? $des_page : $section_settings['page'];
$pretext_replacement['css'] = $section_settings['css'];
$this->matched_permlink = $pretext_replacement;
global $permlink_mode;
if (in_array($prefs['permlink_mode'], array('id_title', 'section_id_title')) && @$pretext_replacement['pg'] && !@$pretext_replacement['id']) {
$pretext_replacement['id'] = '';
$pretext_replacement['is_article_list'] = true;
}
// Merge pretext_replacement with pretext
$pretext = array_merge($pretext, $pretext_replacement);
if (is_numeric(@$pretext['id'])) {
$a = safe_row('*, unix_timestamp(Posted) as uPosted, unix_timestamp(Expires) as uExpires, unix_timestamp(LastMod) as uLastMod', 'textpattern', 'ID=' . intval($pretext['id']) . ' and Status >= 4');
populateArticleData($a);
}
// Export required values to the global namespace
foreach (array('id', 's', 'c', 'pg', 'is_article_list', 'prev_id', 'prev_title', 'next_id', 'next_title', 'css') as $key) {
if (array_key_exists($key, $pretext)) {
$GLOBALS[$key] = $pretext[$key];
}
}
if (count($this->matched_permlink) || @$mt_redirect) {
$pl_index = $pretext['permlink_id'];
if (!@$mt_redirect || !$this->pref('redirect_mt_style_links')) {
$pl = $this->get_permlink($pretext['permlink_id']);
$pl_index = @$pl['settings']['des_permlink'];
}
if (@$pretext['id'] && $pl_index) {
if (count($this->get_permlink($pl_index)) > 0) {
ob_clean();
global $siteurl;
$rs = safe_row('*, ID as thisid, unix_timestamp(Posted) as posted', 'textpattern', "ID = '{$pretext['id']}'");
$host = rtrim(str_replace(rtrim(doStrip($pretext['subpath']), '/'), '', hu), '/');
$this->redirect($host . $this->_permlinkurl($rs, PERMLINKURL, $pl_index), $this->pref('permlink_redirect_http_status'));
}
} else {
if ($url = @$pl['settings']['des_location']) {
ob_clean();
$this->redirect($url, $this->pref('url_redirect_http_status'));
}
}
}
if (@$pretext['rss']) {
if (@$pretext['s']) {
$_POST['section'] = $pretext['s'];
}
if (@$pretext['c']) {
$_POST['category'] = $pretext['c'];
}
ob_clean();
include txpath . '/publish/rss.php';
exit(rss());
}
if (@$pretext['atom']) {
if (@$pretext['s']) {
$_POST['section'] = $pretext['s'];
}
if (@$pretext['c']) {
$_POST['category'] = $pretext['c'];
}
ob_clean();
include txpath . '/publish/atom.php';
exit(atom());
}
$this->debug('Pretext ' . print_r($pretext, 1));
} else {
$this->debug('NO CHANGES MADE');
}
// Log this page hit
if (@$orginial_status == 404) {
log_hit($pretext['status']);
}
// Start output buffering and pseudo callback to textpattern_end
ob_start(array(&$this, '_textpattern_end_callback'));
// TxP 4.0.5 (r2436) introduced the textpattern_end callback making the following redundant
$version = array_sum(array_map(create_function('$line', 'if (preg_match(\'/^\\$' . 'LastChangedRevision: (\\w+) \\$/\', $line, $match)) return $match[1];'), @file(txpath . '/publish.php')));
if ($version >= '2436') {
return;
}
// Remove the plugin callbacks which have already been called
function filter_callbacks($c)
{
if ($c['event'] != 'textpattern') {
return true;
}
if (@$c['function'][0]->plugin_name == 'gbp_permanent_links' && @$c['function'][1] == '_textpattern') {
$GLOBALS['gbp_found_self'] = true;
return false;
}
return @$GLOBALS['gbp_found_self'];
}
$plugin_callback = array_filter($plugin_callback, 'filter_callbacks');
unset($GLOBALS['gbp_found_self']);
// Re-call textpattern
textpattern();
// Call custom textpattern_end callback
$this->_textpattern_end();
// textpattern() has run, kill the connection
die;
}
}
function handle_lastmod($unix_ts = NULL, $exit = 1)
{
global $prefs;
extract($prefs);
if ($send_lastmod and $production_status == 'live') {
$unix_ts = get_lastmod($unix_ts);
# make sure lastmod isn't in the future
$unix_ts = min($unix_ts, time());
# or too far in the past (7 days)
$unix_ts = max($unix_ts, time() - 3600 * 24 * 7);
$last = safe_strftime('rfc822', $unix_ts, 1);
header("Last-Modified: {$last}");
header('Cache-Control: no-cache');
$hims = serverset('HTTP_IF_MODIFIED_SINCE');
if ($hims and @strtotime($hims) >= $unix_ts) {
log_hit('304');
if (!$exit) {
return array('304', $last);
}
txp_status_header('304 Not Modified');
# header('Connection: close');
header('Content-Length: 0');
# discard all output
while (@ob_end_clean()) {
}
exit;
}
if (!$exit) {
return array('200', $last);
}
}
}