/**
* Additional status information about the plugin.
*
* @return string status string
*/
function google_seo_plugin_status()
{
global $lang, $mybb, $config, $settings, $db;
global $PL;
$PL or (require_once PLUGINLIBRARY);
$success = array();
$warning = array();
$error = array();
$htaccess = array();
$lines = array();
if (!$settings['google_seo_url'] || !$settings['google_seo_url_cache']) {
// Good place as any to delete cache if disabled.
$PL->cache_delete('google_seo_url');
}
// Required for 404 and URL
$base = $settings['bburl'];
$base = preg_replace('#^[^/]*://[^/]*#', '', $base);
// Warning about disabled plugins.
if (defined("NO_PLUGINS") || $settings['no_plugins']) {
$warning[] = $lang->googleseo_plugin_no_plugins;
}
// UTF-8 is required:
if ($mybb->config['database']['encoding'] != 'utf8' && $mybb->config['database']['encoding'] != 'utf8mb4') {
$warning[] = $lang->sprintf($lang->googleseo_plugin_warn_encoding, $mybb->config['database']['encoding']);
}
// Google SEO 404:
if ($settings['google_seo_404']) {
$success[] = $lang->googleseo_plugin_404;
$htaccess[] = array("ErrorDocument 404 {$base}/misc.php?google_seo_error=404", 0, $lang->googleseo_plugin_htaccess_404);
} else {
$error[] = $lang->googleseo_plugin_404;
}
// Google SEO Meta:
if ($settings['google_seo_meta']) {
$success[] = $lang->googleseo_plugin_meta;
} else {
$error[] = $lang->googleseo_plugin_meta;
}
// Google SEO Redirect:
if ($settings['google_seo_redirect']) {
$success[] = $lang->googleseo_plugin_redirect;
if (!$settings['google_seo_url']) {
$warning[] = $lang->googleseo_plugin_redirect_warn_url;
}
$current_url = google_seo_redirect_current_url();
$pos = my_strpos($current_url, "/{$config['admin_dir']}/index.php");
if ($pos) {
$current_url = my_substr($current_url, 0, $pos);
}
if (!$settings['bburl'] || $settings['bburl'] != $current_url) {
$warning[] = $lang->sprintf($lang->googleseo_plugin_redirect_warn_bburl, htmlspecialchars($settings['bburl'], ENT_COMPAT, "UTF-8"), htmlspecialchars($current_url), ENT_COMPAT, "UTF-8");
}
} else {
$error[] = $lang->googleseo_plugin_redirect;
}
// Google SEO Sitemap:
if ($settings['google_seo_sitemap']) {
if ($settings['google_seo_sitemap_url']) {
$link = "{$settings['bburl']}/{$settings['google_seo_sitemap_url']}";
$htaccess[] = array($settings['google_seo_sitemap_url'], 'misc.php', 'google_seo_sitemap', $lang->googleseo_plugin_htaccess_sitemap);
} else {
$link = "{$settings['bburl']}/misc.php?google_seo_sitemap={url}";
}
$link = google_seo_expand($link, array('url' => 'index'));
$success[] = "<a href=\"{$link}\" target=\"_blank\">{$lang->googleseo_plugin_sitemap}</a>";
} else {
$error[] = $lang->googleseo_plugin_sitemap;
}
// Google SEO URL:
if ($settings['google_seo_url']) {
$urldb = $PL->url_append('index.php', array('module' => 'config-plugins', 'google_seo' => 'database', 'my_post_key' => $mybb->post_code));
$success[] = "<a href=\"{$urldb}\">{$lang->googleseo_plugin_url}</a>";
if ($settings['google_seo_url_translate'] && !file_exists(MYBB_ROOT . "inc/plugins/google_seo/translate.php")) {
$warning[] = $lang->googleseo_plugin_url_warn_translate;
}
if ($settings['google_seo_url_forums']) {
$htaccess[] = array($settings['google_seo_url_forums'], 'forumdisplay.php', 'google_seo_forum', $lang->googleseo_plugin_htaccess_forums);
}
if ($settings['google_seo_url_threads']) {
$htaccess[] = array($settings['google_seo_url_threads'], 'showthread.php', 'google_seo_thread', $lang->googleseo_plugin_htaccess_threads);
}
if ($settings['google_seo_url_announcements']) {
$htaccess[] = array($settings['google_seo_url_announcements'], 'announcements.php', 'google_seo_announcement', $lang->googleseo_plugin_htaccess_announcements);
}
if ($settings['google_seo_url_users']) {
$htaccess[] = array($settings['google_seo_url_users'], 'member.php', 'google_seo_user', $lang->googleseo_plugin_htaccess_users, 'action=profile&');
}
if ($settings['google_seo_url_calendars']) {
$htaccess[] = array($settings['google_seo_url_calendars'], 'calendar.php', 'google_seo_calendar', $lang->googleseo_plugin_htaccess_calendars);
}
if ($settings['google_seo_url_events']) {
$htaccess[] = array($settings['google_seo_url_events'], 'calendar.php', 'google_seo_event', $lang->googleseo_plugin_htaccess_events, 'action=event&');
}
} else {
$error[] = $lang->googleseo_plugin_url;
}
// URL scheme conflict detection
$pattern = $settings['google_seo_url_punctuation'];
if ($pattern) {
// Escape the pattern.
// (preg_quote breaks UTF-8 and doesn't escape -)
$pattern = preg_replace("/[\\\\\\^\\-\\[\\]\\/]/u", "\\\\\\0", $pattern);
}
for ($a = count($htaccess); $a--;) {
if (!$htaccess[$a][1]) {
continue;
}
for ($b = $a; $b--;) {
if (!$htaccess[$b][1]) {
continue;
}
// for any pair a-b:
$rule_a = explode('?', $htaccess[$a][0]);
$rule_a = $rule_a[0];
$rule_b = explode('?', $htaccess[$b][0]);
$rule_b = $rule_b[0];
$test_a = google_seo_expand($rule_a, array('url' => ''));
$test_b = google_seo_expand($rule_b, array('url' => ''));
if ($pattern) {
$test_a = preg_replace("/^[{$pattern}]+|[{$pattern}]+\$/u", "", $test_a);
$test_b = preg_replace("/^[{$pattern}]+|[{$pattern}]+\$/u", "", $test_b);
}
$test_ab = google_seo_expand($rule_a, array('url' => $test_b));
$test_ba = google_seo_expand($rule_b, array('url' => $test_a));
$regexp_a = preg_quote($rule_a, '#');
$regexp_a = preg_replace('/\\\\{(\\\\\\$|)url\\\\}/', '{url}', $regexp_a);
$regexp_a = google_seo_expand($regexp_a, array('url' => '([^./]+)'));
$regexp_b = preg_quote($rule_b, '#');
$regexp_b = preg_replace('/\\\\{(\\\\\\$|)url\\\\}/', '{url}', $regexp_b);
$regexp_b = google_seo_expand($regexp_b, array('url' => '([^./]+)'));
// Could there be a conflict?
if (preg_match("#^{$regexp_a}\$#u", $test_ab) && preg_match("#^{$regexp_b}\$#u", $test_ab) || preg_match("#^{$regexp_a}\$#u", $test_ba) && preg_match("#^{$regexp_b}\$#u", $test_ba) || preg_match("#^{$regexp_a}\$#u", $test_ab) && preg_match("#^{$regexp_a}\$#u", $test_ba) || preg_match("#^{$regexp_b}\$#u", $test_ab) && preg_match("#^{$regexp_b}\$#u", $test_ba)) {
$warning[] = $lang->sprintf($lang->googleseo_plugin_htaccess_conflict, htmlspecialchars_uni($htaccess[$a][0]), htmlspecialchars_uni($htaccess[$b][0]));
}
}
}
// Check htaccess.
if (count($htaccess) || !$settings['google_seo_404']) {
$file = @file_get_contents(MYBB_ROOT . ".htaccess");
if ($file) {
$file = preg_replace('/^[\\s\\t]*#.*$/m', '', $file);
$file = preg_replace("/\\s*\n\\s*/m", "\n", $file);
$file .= "\n";
// no newline at end of file
}
foreach ($htaccess as $v) {
if ($v[1]) {
$rewrite = 1;
$rule = explode('?', $v[0]);
// ignore dynamic part, if present
$rule = $rule[0];
if ($rule != $v[1]) {
$rule = preg_quote($rule);
$rule = preg_replace('/\\\\{(\\\\\\$|)url\\\\}/', '{url}', $rule);
if (strpos($rule, '{url}') !== false) {
$url = "([^./]+)";
$rule = google_seo_expand($rule, array('url' => $url));
$rule = "RewriteRule ^{$rule}\$ {$v[1]}?{$v[4]}{$v[2]}=\$1 [L,QSA,NC]";
} else {
$rule = "RewriteRule ^{$rule}\$ {$v[1]}?{$v[4]} [L,QSA,NC]";
}
if (strpos($file, "{$rule}\n") === false) {
$line = "# {$v[3]}:\n{$rule}\n";
}
}
} else {
if (strpos($file, "{$v[0]}\n") === false) {
$line = "# {$v[2]}:\n{$v[0]}\n";
}
}
if ($line) {
$lines[] = $line;
$line = '';
}
}
// Special case: search.php workaround must be the first rewrite rule.
$workaround = 'RewriteRule ^([^&]*)&(.*)$ ' . $mybb->settings['bburl'] . '/$1?$2 [L,QSA,R=301]';
$pos = strpos($file, "{$workaround}\n");
if ($rewrite && ($pos === false || $pos != strpos($file, "RewriteRule"))) {
array_unshift($lines, "# {$lang->googleseo_plugin_htaccess_search}\n# {$lang->googleseo_plugin_htaccess_search_first}\n{$workaround}\n");
}
$pos = strpos($file, "RewriteBase {$base}/\n");
if ($rewrite && ($pos === false || $pos > strpos($file, "RewriteRule"))) {
array_unshift($lines, "# {$lang->googleseo_plugin_htaccess_rewritebase}\nRewriteBase {$base}/\n");
}
if ($rewrite && strpos($file, "RewriteEngine on\n") === false) {
array_unshift($lines, "RewriteEngine on\n");
}
if (count($lines)) {
$warning[] = $lang->googleseo_plugin_warn_htaccess . "<pre dir=\"ltr\" style=\"background-color: #ffffff; margin: 2px; padding: 2px;\">" . htmlspecialchars(implode($lines, "\n")) . "</pre>";
}
// Special case: remove ErrorDocument if 404 is disabled
if (!$settings['google_seo_404'] && strpos($file, "google_seo_error=404")) {
$warning[] = $lang->googleseo_plugin_warn_errordocument;
}
}
// Check if mbstring is available:
if ($rewrite && !function_exists("mb_internal_encoding")) {
$warning[] = $lang->googleseo_plugin_warn_mbstring;
}
// Check edits to core files.
if (google_seo_plugin_apply() !== true) {
if ($settings['google_seo_url']) {
$warning[] = $lang->googleseo_plugin_warn_url_apply;
if ($settings['google_seo_redirect']) {
$warning[] = $lang->googleseo_plugin_warn_url_redirect;
}
}
$apply = $PL->url_append('index.php', array('module' => 'config-plugins', 'google_seo' => 'apply', 'my_post_key' => $mybb->post_code));
$edits[] = "<a href=\"{$apply}\">{$lang->googleseo_plugin_edit_apply}</a>";
}
if (google_seo_plugin_revert() !== true) {
if (!$settings['google_seo_url']) {
$warning[] = $lang->googleseo_plugin_warn_url_revert;
}
$revert = $PL->url_append('index.php', array('module' => 'config-plugins', 'google_seo' => 'revert', 'my_post_key' => $mybb->post_code));
$edits[] = "<a href=\"{$revert}\">{$lang->googleseo_plugin_edit_revert}</a>";
}
// Configure URL
$query = $db->simple_select("settinggroups", "gid", "name='google_seo'");
$gid = $db->fetch_field($query, 'gid');
if ($gid) {
$configure = $PL->url_append('index.php', array('module' => 'config', 'action' => 'change', 'gid' => $gid));
$configure = $lang->sprintf($lang->googleseo_plugin_configure, $configure);
} else {
$warning[] = $lang->googleseo_plugin_warn_setting;
}
// Build a list with success, warnings, errors:
if (count($error)) {
$list = google_seo_plugin_list($error);
if (count($error) > 1) {
$e = $lang->sprintf($lang->googleseo_plugin_error_plural, $list);
} else {
$e = $lang->sprintf($lang->googleseo_plugin_error, $list);
}
$status .= " <li style=\"list-style-image: url(styles/default/images/icons/error.gif)\">" . $e . " {$configure}</li>\n";
}
foreach ($warning as $w) {
$status .= " <li style=\"list-style-image: url(styles/default/images/icons/warning.gif)\">" . $w . "</li>\n";
}
if (count($success)) {
$list = google_seo_plugin_list($success);
if (count($success) > 1) {
$s = $lang->sprintf($lang->googleseo_plugin_success_plural, $list);
} else {
$s = $lang->sprintf($lang->googleseo_plugin_success, $list);
}
$status .= " <li style=\"list-style-image: url(styles/default/images/icons/success.gif)\">" . $s . " {$configure}</li>\n";
}
if (count($edits)) {
$list = google_seo_plugin_list($edits);
$e = $lang->sprintf($lang->googleseo_plugin_edit, $list);
$status .= " <li style=\"list-style-image: url(styles/default/images/icons/custom.gif)\">" . $e . "</li>\n";
}
$status = "\n<ul>\n{$status}</ul>\n";
// URL Database info:
if ($urldb) {
$status .= google_seo_plugin_database($urldb);
}
return $status;
}
/**
* Redirect if necessary.
*
*/
function google_seo_redirect_hook()
{
global $db, $mybb, $settings, $plugins, $google_seo_redirect;
if ($mybb->request_method == "post") {
// Never touch posts.
return;
}
// Build the target URL we should be at:
switch (THIS_SCRIPT) {
case 'forumdisplay.php':
$fid = (int) $mybb->input['fid'];
$page = (int) $mybb->input['page'];
if ($fid) {
// forum as index tweak
if ($fid == $settings['google_seo_tweak_index_fid']) {
$target = "";
if ($page > 1) {
$target = "?page={$page}";
}
} else {
$target = get_forum_link($fid, $page);
}
$kill['fid'] = '';
$kill['page'] = '';
$kill['google_seo_forum'] = '';
$kill['google_seo'] = '';
}
break;
case 'showthread.php':
// pid overrules tid, so we must check pid first,
// even at the cost of an additional query.
if ((int) $mybb->input['pid']) {
$tid = google_seo_tid((int) $mybb->input['pid'], (int) $mybb->input['tid'], $settings['google_seo_redirect_posts']);
$target = get_post_link((int) $mybb->input['pid'], $tid);
$kill['pid'] = '';
$kill['tid'] = '';
$kill['google_seo_thread'] = '';
$kill['google_seo'] = '';
} else {
if ((int) $mybb->input['tid']) {
$target = get_thread_link((int) $mybb->input['tid'], (int) $mybb->input['page'], (string) $mybb->input['action']);
$kill['tid'] = '';
$kill['action'] = '';
$kill['google_seo_thread'] = '';
$kill['google_seo'] = '';
if ($mybb->input['page'] != 'last') {
$kill['page'] = '';
}
}
}
break;
case 'announcements.php':
if ((int) $mybb->input['aid']) {
$target = get_announcement_link((int) $mybb->input['aid']);
$kill['aid'] = '';
$kill['google_seo_announcement'] = '';
$kill['google_seo'] = '';
}
break;
case 'member.php':
if ((int) $mybb->input['uid']) {
if ($settings['google_seo_redirect_litespeed'] && $mybb->input['action'] != 'profile') {
// Work around rewrite bug in LiteSpeed (double action conflict).
break;
}
$target = get_profile_link((int) $mybb->input['uid']);
$kill['uid'] = '';
$kill['google_seo_user'] = '';
$kill['google_seo'] = '';
if ($mybb->input['action'] == 'profile') {
$kill['action'] = '';
}
}
break;
case 'calendar.php':
if ((int) $mybb->input['eid']) {
if ($settings['google_seo_redirect_litespeed'] && $mybb->input['action'] != 'profile') {
// Work around rewrite bug in LiteSpeed (double action conflict).
break;
}
$target = get_event_link((int) $mybb->input['eid']);
$kill['eid'] = '';
$kill['google_seo_event'] = '';
$kill['google_seo'] = '';
if ($mybb->input['action'] == 'event') {
$kill['action'] = '';
}
} else {
if (!(int) $mybb->input['calendar']) {
// Special case: Default calendar.
// Code taken from calendar.php
$query = $db->simple_select("calendars", "cid", "", array('order_by' => 'disporder', 'limit' => 1));
$cid = $db->fetch_field($query, "cid");
$mybb->input['calendar'] = $cid;
}
if ($mybb->input['action'] == "weekview") {
$target = get_calendar_week_link((int) $mybb->input['calendar'], (int) str_replace('n', '-', $mybb->input['week']));
$kill['calendar'] = '';
$kill['week'] = '';
$kill['action'] = '';
$kill['google_seo_calendar'] = '';
$kill['google_seo'] = '';
} else {
$target = get_calendar_link((int) $mybb->input['calendar'], (int) $mybb->input['year'], (int) $mybb->input['month'], (int) $mybb->input['day']);
$kill['calendar'] = '';
$kill['year'] = '';
$kill['month'] = '';
$kill['day'] = '';
$kill['google_seo_calendar'] = '';
$kill['google_seo'] = '';
}
}
break;
}
// Verify that we are already at the target.
if (isset($target)) {
$target = $settings['bburl'] . '/' . urldecode($target);
$current = google_seo_redirect_current_url();
// Not identical (although it may only be the query string).
if ($current != $target) {
// Parse current and target
$target_parse = explode("?", $target, 2);
$current_parse = explode("?", $current, 2);
// Location
$location_target = $target_parse[0];
$location_current = $current_parse[0];
// Fix broken query strings (e.g. search.php)
$broken_query = preg_replace("/\\?([^&?=]+)([=&])/u", '&$1$2', $current_parse[1]);
if ($current_parse[1] != $broken_query) {
$change = 1;
$current_parse[2] = $current_parse[1];
$current_parse[1] = $broken_query;
}
// Query
$current_dynamic = google_seo_dynamic('?' . $current_parse[1]);
$target_dynamic = google_seo_dynamic('?' . $target_parse[1]);
parse_str(htmlspecialchars_decode($target_parse[1]), $query_target);
parse_str($current_parse[1], $query_current);
if (@get_magic_quotes_gpc()) {
// Dear PHP, I don't need magic, thank you very much.
$mybb->strip_slashes_array($query_target);
$mybb->strip_slashes_array($query_current);
}
$query = $query_current;
// Kill query string elements that already are part of the URL.
if (!$query[$target_dynamic]) {
unset($query[$target_dynamic]);
unset($query_current[$target_dynamic]);
unset($query_target[$target_dynamic]);
}
if (!$query[$current_dynamic]) {
unset($query[$current_dynamic]);
unset($query_current[$current_dynamic]);
unset($query_target[$current_dynamic]);
}
foreach ($kill as $k => $v) {
unset($query[$k]);
}
// Final query, current parameters retained
$query = array_merge($query_target, $query);
if (count($query) != count($query_current)) {
$change = 2;
} else {
if ($current_dynamic != $target_dynamic) {
$change = 3;
} else {
foreach ($query as $k => $v) {
if ($query_current[$k] != $v) {
$change = 4;
}
}
}
}
// Definitely not identical?
if ($change || $location_target != $location_current) {
// Check if redirect debugging is enabled.
if ($settings['google_seo_redirect_debug'] && $mybb->usergroup['cancp'] == 1) {
if ($query['google_seo_redirect']) {
// print out information about this redirect and return
header("Content-type: text/html; charset=UTF-8");
echo "<pre style=\"text-align: left\">";
echo "Google SEO Redirect Debug Information:\n";
echo "!!! WARNING: This may contain cookie authentication data. Don't post debug info in public. !!!\n";
echo htmlspecialchars(print_r(array('THIS_SCRIPT' => THIS_SCRIPT, '_SERVER' => array_merge($_SERVER, array('HTTP_COOKIE' => '')), 'mybb->input' => $mybb->input, 'kill' => $kill, 'target' => $target, 'current' => $current, 'target_parse' => $target_parse, 'current_parse' => $current_parse, 'target_dynamic' => $target_dynamic, 'current_dynamic' => $current_dynamic, 'location_target' => $location_target, 'location_current' => $location_current, 'broken_query' => $broken_query, 'change' => $change, 'query_target' => $query_target, 'query_current' => $query_current, 'query' => $query), true), ENT_COMPAT, "UTF-8");
echo "</pre>";
return;
} else {
$query['google_seo_redirect'] = "debug";
}
}
// Redirect but retain query.
if ($target_dynamic) {
$querystr[] = google_seo_encode($target_dynamic);
}
foreach ($query as $k => $v) {
$querystr[] = urlencode($k) . "=" . urlencode($v);
}
$location_target = google_seo_encode($location_target);
if (sizeof($querystr)) {
$location_target .= "?" . implode("&", $querystr);
}
$google_seo_redirect = $location_target;
if ($settings['google_seo_redirect_permission'] && THIS_SCRIPT != "member.php") {
// Leave permission checks to the current page.
// Add hooks to issue redirect later on.
$plugins->add_hook("forumdisplay_end", "google_seo_redirect_header", 2);
$plugins->add_hook("postbit", "google_seo_redirect_header", 2);
$plugins->add_hook("postbit_announcement", "google_seo_redirect_header", 2);
$plugins->add_hook("calendar_editevent_end", "google_seo_redirect_header", 2);
$plugins->add_hook("calendar_event_end", "google_seo_redirect_header", 2);
$plugins->add_hook("calendar_end", "google_seo_redirect_header", 2);
$plugins->add_hook("pre_output_page", "google_seo_redirect_header", 2);
// Except on error.
$plugins->add_hook("error", "google_seo_redirect_remove_hooks", 2);
$plugins->add_hook("no_permission", "google_seo_redirect_remove_hooks", 2);
} else {
google_seo_redirect_header();
}
}
}
}
}
