diff options
Diffstat (limited to 'phpBB/gym_sitemaps/includes/gym_rss_functions.php')
| -rw-r--r-- | phpBB/gym_sitemaps/includes/gym_rss_functions.php | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/phpBB/gym_sitemaps/includes/gym_rss_functions.php b/phpBB/gym_sitemaps/includes/gym_rss_functions.php new file mode 100644 index 0000000000..2c566e806a --- /dev/null +++ b/phpBB/gym_sitemaps/includes/gym_rss_functions.php @@ -0,0 +1,435 @@ +<?php +/** +* +* @package phpBB SEO GYM Sitemaps +* @version $Id: gym_rss_functions.php 275 2010-11-21 17:48:06Z dcz $ +* @copyright (c) 2006 - 2010 www.phpbb-seo.com +* @license http://opensource.org/osi3.0/licenses/lgpl-license.php GNU Lesser General Public License +* +*/ +// First basic security +if ( !defined('IN_PHPBB') ) { + exit; +} +define('GYM_RSS_FUNC_INC', true); +/** +* get_gym_links($gym_config). +* retunrs the link array +*/ +function get_gym_links($gym_config) { + global $phpbb_root_path, $config, $phpEx, $user, $cache, $db, $phpbb_seo; + $links = array(); + $_phpbb_seo = !empty($phpbb_seo); + $board_url = $_phpbb_seo ? $phpbb_seo->seo_path['phpbb_url'] : generate_board_url() . '/'; + $gym_link_tpl = '<a href="%1$s" title="%3$s" class="gym"><img src="' . $board_url . 'gym_sitemaps/images/%2$s" alt="%3$s" width="14", height="14"/> %3$s</a>'; + $google_threshold = max(1, (int) $gym_config['google_threshold']); + //compute guest auth + $cache_file = '_gym_auth_guests_forum'; + if (($auth_guest_list = $cache->get($cache_file)) === false) { + $auth_guest_list = array('list' => array(), 'read' => array(), 'list_post' => array(), 'read_post' => array(), 'skip_pass' => array(), 'skip_cat' => array(), 'skip_all' => array(), 'skip_link' => array(), 'thresholded' => array(), 'empty' => array()); + $guest_data = array('user_id' => ANONYMOUS, + 'user_type' => USER_IGNORE, + 'user_permissions' . (defined('XLANG_AKEY') ? XLANG_AKEY : '') => '', + ); + $g_auth = new auth(); + $g_auth->acl($guest_data); + // the forum id array + $forum_list_ary = $g_auth->acl_getf('f_list', true); + foreach ($forum_list_ary as $forum_id => $null) { + $auth_guest_list['list'][$forum_id] = (int) $forum_id; + } + $forum_read_ary = $g_auth->acl_getf('f_read', true); + foreach ($forum_read_ary as $forum_id => $null) { + $auth_guest_list['read'][$forum_id] = (int) $forum_id; + } + ksort($auth_guest_list['list']); + ksort($auth_guest_list['read']); + $sql = "SELECT forum_id, forum_type, forum_password + FROM " . FORUMS_TABLE . " + WHERE forum_type <> " . FORUM_POST . " OR forum_password <> ''"; + $result = $db->sql_query($sql); + while ( $row = $db->sql_fetchrow($result) ) { + $forum_id = (int) $row['forum_id']; + if ($row['forum_password']) { + $auth_guest_list['skip_pass'][$forum_id] = $forum_id; + } + if ($row['forum_type'] == FORUM_CAT) { + $auth_guest_list['skip_cat'][$forum_id] = $forum_id; + } else if ($row['forum_type'] == FORUM_LINK) { + $auth_guest_list['skip_link'][$forum_id] = $forum_id; + } + $auth_guest_list['skip_all'][$forum_id] = $forum_id; + } + $db->sql_freeresult($result); + // Now let's grabb the list of forum with not enough topics to have a sitemap + // Only care about postable forum ;-) + $sql = "SELECT forum_id, forum_topics + FROM " . FORUMS_TABLE . " + WHERE forum_type = " . FORUM_POST . " + AND forum_topics < $google_threshold"; + $result = $db->sql_query($sql); + while ( $row = $db->sql_fetchrow($result) ) { + $forum_id = (int) $row['forum_id']; + $auth_guest_list['thresholded'][$forum_id] = $forum_id; + if (empty($row['forum_topics'])) { + $auth_guest_list['empty'][$forum_id] = $forum_id; + } + } + ksort($auth_guest_list['skip_pass']); + ksort($auth_guest_list['skip_all']); + ksort($auth_guest_list['skip_link']); + ksort($auth_guest_list['skip_cat']); + // Never mind about forum links + $auth_guest_list['read'] = array_diff_assoc($auth_guest_list['read'], $auth_guest_list['skip_link']); + $auth_guest_list['list'] = array_diff_assoc($auth_guest_list['list'], $auth_guest_list['skip_link']); + ksort($auth_guest_list['read']); + ksort($auth_guest_list['list']); + $auth_guest_list['list_post'] = array_diff_assoc($auth_guest_list['list'], $auth_guest_list['skip_all']); + $auth_guest_list['read_post'] = array_diff_assoc($auth_guest_list['read'], $auth_guest_list['skip_all']); + $cache->put($cache_file, $auth_guest_list); + } + $links = array(); + $links['main'] = $links['setup']['google'] = $links['setup']['rss'] = $links['setup']['html'] = array(); + // Find out about active modes + $google_active = $rss_active = $html_active = false; + $gym_modules = array( + 'google' => array('forum', 'xml', 'txt'), + 'rss' => array('forum'), + 'html' => array('forum'), + ); + foreach ($gym_modules as $type => $modules) { + foreach ($modules as $module) { + if (!empty($gym_config[$type . '_' . $module . '_installed'])) { + ${$type . '_active'} = true; + break; + } + } + } + $do_display_cat = $do_display_main = $do_display_index = false; + // Google sitemaps + if ($google_active) { + $display_google_main_links = (boolean) get_gym_option('google', 'gym', 'link_main', OVERRIDE_MODULE, $gym_config); + $display_google_index_links = (boolean) get_gym_option('google', 'gym', 'link_index', OVERRIDE_MODULE, $gym_config); + $display_google_cat_links = (boolean) get_gym_option('google', 'gym', 'link_cat', OVERRIDE_MODULE, $gym_config); + $override_google_mod_rewrite = get_override('google', 'modrewrite', $gym_config); + $google_mod_rewrite = (boolean) get_gym_option('google', 'gym', 'modrewrite', $override_google_mod_rewrite, $gym_config); + $override_google_gzip = get_override('google', 'gzip', $gym_config); + $google_gzip = (boolean) get_gym_option('google', 'forum', 'gzip', $override_google_gzip, $gym_config); + $google_gzip_ext = ($google_gzip || $config['gzip_compress']) ? (get_gym_option('google', 'forum', 'gzip_ext', $override_google_gzip, $gym_config) ? '.gz' : '') : ''; + $google_url = $_phpbb_seo ? $phpbb_seo->sslify($gym_config['google_url'], $phpbb_seo->ssl['use'], false) : $gym_config['google_url']; + $sitemap_url = $google_url . ($google_mod_rewrite ? 'sitemapindex.xml' . $google_gzip_ext : "sitemap.$phpEx"); + $links['setup']['google'] = array( + 'override_mod_rewrite' => $override_google_mod_rewrite, + 'mod_rewrite' => $google_mod_rewrite, + 'override_gzip' => $override_google_gzip, + 'link_main' => $display_google_main_links, + 'link_index' => $display_google_index_links, + 'link_cat' => $display_google_cat_links, + 'gzip' => $google_gzip, + 'gzip_ext' => $google_gzip_ext, + 'google_url' => $google_url, + 'threshold' => max(1, (int) $gym_config['google_threshold']), + 'l_google_sitemap' => $user->lang['GOOGLE_SITEMAP'], + 'l_google_sitemap_of' => $user->lang['GOOGLE_MAP_OF'], + ); + // only publicly readable and not thresholded forums will be listed + if (!empty($gym_config['google_forum_installed'])) { + $google_forum_mod_rewrite = (boolean) get_gym_option('google', 'forum', 'modrewrite', $override_google_mod_rewrite, $gym_config); + $google_auth_guest = array_diff_assoc($auth_guest_list['read_post'], set_exclude_list($gym_config['google_forum_exclude']), $auth_guest_list['thresholded']); + $google_forum_exclude = set_exclude_list($gym_config['google_forum_exclude']) + $auth_guest_list['skip_all']; + $links['setup']['google'] = array_merge( $links['setup']['google'], + array( + 'forum_google' => true, + 'forum_cat_google' => $google_url . ($google_forum_mod_rewrite && $_phpbb_seo ? "%1\$s.xml$google_gzip_ext" : "sitemap.$phpEx?forum=%2\$s"), + 'auth_guest' => $google_auth_guest, + 'forum_exclude' => $google_forum_exclude, + )); + } + $links['main'] = array_merge( $links['main'], + array( + 'GYM_GOOGLE_TITLE' => $user->lang['GOOGLE_SITEMAPINDEX'], + 'GYM_GOOGLE_URL' => $sitemap_url, + 'GYM_GOOGLE_LINK' => $display_google_main_links ? sprintf($gym_link_tpl, $sitemap_url, 'sitemap-icon.gif', $user->lang['GOOGLE_SITEMAPINDEX']) : '', + 'GYM_GOOGLE_THRESOLD' => (int) $links['setup']['google']['threshold'], + )); + $do_display_main = $display_google_main_links ? true : $do_display_main; + $do_display_index = $display_google_index_links ? true : $do_display_index; + $do_display_cat = $display_google_cat_links ? true : $do_display_cat; + } + // RSS + if ($rss_active) { + $display_rss_main_links = (boolean) get_gym_option('rss', 'gym', 'link_main', OVERRIDE_MODULE, $gym_config); + $display_rss_index_links = (boolean) get_gym_option('rss', 'gym', 'link_index', OVERRIDE_MODULE, $gym_config); + $display_rss_cat_links = (boolean) get_gym_option('rss', 'gym', 'link_cat', OVERRIDE_MODULE, $gym_config); + $override_rss_mod_rewrite = get_override('rss', 'modrewrite', $gym_config); + $rss_mod_rewrite = (boolean) get_gym_option('rss', 'gym', 'modrewrite', $override_rss_mod_rewrite, $gym_config); + $rss_modrtype = max(0, (int) get_gym_option('rss', 'gym', 'modrtype', $override_rss_mod_rewrite, $gym_config)); + $override_rss_gzip = get_override('rss', 'gzip', $gym_config); + $rss_gzip = (boolean) get_gym_option('rss', 'forum', 'gzip', $override_rss_gzip, $gym_config); + $rss_gzip_ext = ($rss_gzip || $config['gzip_compress']) ? (get_gym_option('rss', 'forum', 'gzip_ext', $override_rss_gzip, $gym_config) ? '.gz' : '') : ''; + // Take car of linking type + $link_type_sep = $rss_mod_rewrite ? '/' : '&'; + $link_type_to_options = array('n' => 'news', 'nd' => 'news'. $link_type_sep . 'digest', 'r' => '', 'rd' => 'digest'); + $link_type_bit = isset($link_type_to_options[$gym_config['rss_linking_type']]) ? $link_type_to_options[$gym_config['rss_linking_type']] : ''; + $rss_url = $_phpbb_seo ? $phpbb_seo->sslify($gym_config['rss_url'], $phpbb_seo->ssl['use'], false) : $gym_config['rss_url']; + $rss_main_url = $rss_url . ($rss_mod_rewrite ? 'rss/' . ($link_type_bit ? $link_type_bit . '/' : '') . 'rss.xml' . $rss_gzip_ext : "gymrss.$phpEx" . ($link_type_bit ? '?' . $link_type_bit : '')); + $rss_chan_url = $rss_url . ($rss_mod_rewrite ? 'rss/' . ($link_type_bit ? $link_type_bit . '/' : '') : "gymrss.$phpEx?channels" . ($link_type_bit ? '&' . $link_type_bit : '')); + $links['setup']['rss'] = array( + 'display_alternate' => (int) $gym_config['rss_alternate'], + 'link_main' => $display_rss_main_links, + 'link_index' => $display_rss_index_links, + 'link_cat' => $display_rss_cat_links, + 'override_mod_rewrite' => $override_rss_mod_rewrite, + 'mod_rewrite' => $rss_mod_rewrite, + 'override_gzip' => $override_rss_gzip, + 'gzip' => $rss_gzip, + 'gzip_ext' => $rss_gzip_ext, + 'rss_url' => $rss_url, + 'l_rss_feed' => $user->lang['RSS_FEED'], + 'l_rss_feed_of' => $user->lang['RSS_FEED_OF'], + ); + if (!empty($gym_config['rss_forum_installed'])) { + $rss_forum_allow_auth = (boolean) get_gym_option('rss', 'forum', 'allow_auth', $gym_config['rss_override'], $gym_config); + // only readable forums can be listed + $rss_auth_guest = array_diff_assoc($auth_guest_list['read_post'], set_exclude_list($gym_config['rss_forum_exclude']), $auth_guest_list['empty']); + $rss_forum_exclude = set_exclude_list($gym_config['rss_forum_exclude']) + $auth_guest_list['skip_all'] + $auth_guest_list['empty']; + $rss_forum_mod_rewrite = (boolean) get_gym_option('rss', 'forum', 'modrewrite', $override_rss_mod_rewrite, $gym_config); + $rss_forum_modrtype = max(0, (int) get_gym_option('rss', 'forum', 'modrtype', $override_rss_mod_rewrite, $gym_config)); + + $links['setup']['rss'] = array_merge( $links['setup']['rss'], + array( + 'display_forum_alternate' => (int) $gym_config['rss_forum_alternate'], + 'forum_rss' => !empty($gym_config['rss_forum_installed']), + 'forum_cat_rss' => $rss_url . ($rss_forum_mod_rewrite && $_phpbb_seo ? ($rss_forum_modrtype > 1 ? "%1\$s/" . ($link_type_bit ? $link_type_bit . '/' : '') . "forum.xml$rss_gzip_ext" : "forum" . $phpbb_seo->seo_delim['forum'] . "%2\$s/" . ($link_type_bit ? $link_type_bit . '/' : '') . "forum.xml$rss_gzip_ext") : "gymrss.$phpEx?forum=%2\$s" . ($link_type_bit ? '&' . $link_type_bit : '')), + 'auth_guest' => $rss_auth_guest, + 'forum_exclude' => $rss_forum_exclude, + 'forum_allow_auth' => $rss_forum_allow_auth, + )); + } + $links['main'] = array_merge( $links['main'], + array( + 'GYM_RSS_TITLE' => $user->lang['RSS_FEED'], + 'GYM_RSS_URL' => $rss_main_url, + 'GYM_RSS_LINK' => $display_rss_main_links ? sprintf($gym_link_tpl, $rss_main_url, 'feed-icon.png', $user->lang['RSS_FEED']) : '', + 'GYM_RSS_CHAN_TITLE' => $user->lang['RSS_CHAN_LIST_TITLE'], + 'GYM_RSS_CHAN_URL' => $rss_chan_url, + 'GYM_RSS_CHAN_LINK' => $display_rss_main_links ? sprintf($gym_link_tpl, $rss_chan_url, 'feed-icon.png', $user->lang['RSS_CHAN_LIST_TITLE']) : '', + )); + $do_display_main = $display_rss_main_links ? true : $do_display_main; + $do_display_index = $display_rss_index_links ? true : $do_display_index; + $do_display_cat = $display_rss_cat_links ? true : $do_display_cat; + } + // HTML + if ($html_active) { + $display_html_main_links = (boolean) get_gym_option('html', 'gym', 'link_main', OVERRIDE_MODULE, $gym_config); + $display_html_index_links = (boolean) get_gym_option('html', 'gym', 'link_index', OVERRIDE_MODULE, $gym_config); + $display_html_cat_links = (boolean) get_gym_option('html', 'gym', 'link_cat', OVERRIDE_MODULE, $gym_config); + $override_html_mod_rewrite = get_override('html', 'modrewrite', $gym_config); + $html_mod_rewrite = (boolean) get_gym_option('html', 'gym', 'modrewrite', $override_html_mod_rewrite, $gym_config); + $html_allow_map = (boolean) $gym_config['html_allow_map']; + $html_allow_cat_map = (boolean) $gym_config['html_allow_cat_map']; + $html_allow_news = (boolean) $gym_config['html_allow_news']; + $html_allow_cat_news = (boolean) $gym_config['html_allow_cat_news']; + $html_url = $_phpbb_seo ? $phpbb_seo->sslify($gym_config['html_url'], $phpbb_seo->ssl['use'], false) : $gym_config['html_url']; + $html_map_url = $gym_config['html_allow_map'] ? $html_url . ($html_mod_rewrite ? 'maps/' : "map.$phpEx") : ''; + $html_news_url = $gym_config['html_allow_news'] ? $html_url . ($html_mod_rewrite ? 'news/' : "map.$phpEx?news") : ''; + $links['setup']['html'] = array( + 'link_main' => $display_html_main_links, + 'link_index' => $display_html_index_links, + 'link_cat' => $display_html_cat_links, + 'override_mod_rewrite' => $override_html_mod_rewrite, + 'mod_rewrite' => $html_mod_rewrite, + 'html_url' => $html_url, + 'allow_map' => $html_allow_map, + 'allow_news' => $html_allow_news, + 'allow_cat_map' => $html_allow_cat_map, + 'allow_cat_news' => $html_allow_cat_news, + 'l_html_news' => $user->lang['HTML_NEWS'], + 'l_html_map' => $user->lang['HTML_MAP'], + 'l_html_news_of' => $user->lang['HTML_NEWS_OF'], + 'l_html_map_of' => $user->lang['HTML_MAP_OF'], + ); + if (!empty($gym_config['html_forum_installed'])) { + $html_forum_mod_rewrite = (boolean) get_gym_option('html', 'forum', 'modrewrite', $override_html_mod_rewrite, $gym_config); + $html_forum_allow_map = (boolean) get_gym_option('html', 'forum', 'allow_map', $gym_config['html_override'], $gym_config); + $html_forum_allow_cat_map = (boolean) get_gym_option('html', 'forum', 'allow_cat_map', $gym_config['html_override'], $gym_config); + $html_forum_allow_news = (boolean) get_gym_option('html', 'forum', 'allow_news', $gym_config['html_override'], $gym_config); + $html_forum_allow_cat_news = (boolean) get_gym_option('html', 'forum', 'allow_cat_news', $gym_config['html_override'], $gym_config); + $html_auth_guest = array_diff_assoc($auth_guest_list['list'], set_exclude_list($gym_config['html_forum_exclude']), $auth_guest_list['empty']); + $html_forum_allow_auth = (boolean) get_gym_option('html', 'forum', 'allow_auth', $gym_config['html_override'], $gym_config); + $html_forum_exclude = set_exclude_list($gym_config['html_forum_exclude']) + $auth_guest_list['skip_link'] + $auth_guest_list['empty']; + $links['setup']['html'] = array_merge( $links['setup']['html'], + array( + 'forum_allow_map' => $html_forum_allow_map, + 'forum_map_url' => $html_allow_map ? $html_url . ($html_forum_mod_rewrite ? 'maps/forum/' : "map.$phpEx?forum") : '', + 'forum_allow_news' => $html_forum_allow_news, + 'forum_news_url' => $html_allow_news ? $html_url . ($html_forum_mod_rewrite ? 'news/forum/' : "map.$phpEx?forum=news") : '', + 'forum_allow_cat_map' => $html_forum_allow_cat_map, + 'forum_cat_map' => $html_url . ($html_forum_mod_rewrite && $_phpbb_seo ? 'maps/forum/%1$s/' : "map.$phpEx?forum=%2\$s"), + 'forum_allow_cat_news' => $html_forum_allow_cat_news, + 'forum_cat_news' => $html_url . ($html_forum_mod_rewrite && $_phpbb_seo ? 'news/forum/%1$s/' : "map.$phpEx?forum=%2\$s&news"), + 'auth_guest' => $html_auth_guest, + 'forum_exclude' => $html_forum_exclude, + 'forum_allow_auth' => $html_forum_allow_auth, + )); + } + $links['main'] = array_merge( $links['main'], + array( + 'GYM_HTML_NEWS_TITLE' => $user->lang['HTML_NEWS'], + 'GYM_HTML_NEWS_URL' => $html_news_url, + 'GYM_HTML_NEWS_LINK' => $display_html_main_links ? sprintf($gym_link_tpl, $html_news_url, 'html_news.gif', $user->lang['HTML_NEWS']) : '', + 'GYM_HTML_MAP_TITLE' => $user->lang['HTML_MAP'], + 'GYM_HTML_MAP_URL' => $html_map_url, + 'GYM_HTML_MAP_LINK' => $display_html_main_links ? sprintf($gym_link_tpl, $html_map_url, 'maps-icon.gif', $user->lang['HTML_MAP']) : '', + 'GYM_HTML_THEFORUM_NEWS_TITLE' => $user->lang['HTML_FORUM_NEWS'], + 'GYM_HTML_THEFORUM_NEWS_URL' => $links['setup']['html']['forum_news_url'], + 'GYM_HTML_THEFORUM_NEWS_LINK' => sprintf($gym_link_tpl, $links['setup']['html']['forum_news_url'], 'html_news.gif', $user->lang['HTML_FORUM_NEWS']), + 'GYM_HTML_THEFORUM_MAP_TITLE' => $user->lang['HTML_FORUM_MAP'], + 'GYM_HTML_THEFORUM_MAP_URL' => $links['setup']['html']['forum_map_url'], + 'GYM_HTML_THEFORUM_MAP_LINK' => sprintf($gym_link_tpl, $links['setup']['html']['forum_map_url'], 'maps-icon.gif', $user->lang['HTML_FORUM_MAP']), + )); + $do_display_main = $display_html_main_links ? true : $do_display_main; + $do_display_index = $display_html_index_links ? true : $do_display_index; + $do_display_cat = $display_html_cat_links ? true : $do_display_cat; + } + $links['setup']['main'] = array( + 'link_main' => ($gym_config['gym_link_main'] && $do_display_main) ? 1 : 0, + 'link_index' => ($gym_config['gym_link_index'] && $do_display_index) ? 1 : 0, + 'link_cat' => ($gym_config['gym_link_cat'] && $do_display_cat) ? 1 : 0, + 'f_public_read' => array_diff_assoc($auth_guest_list['read'], $auth_guest_list['skip_pass']) + array_intersect_assoc($auth_guest_list['skip_cat'], $auth_guest_list['list']), + ); + $links['main'] = array_merge( $links['main'], + array( + 'GYM_LINKS' => $links['setup']['main']['link_main'], + 'GYM_LINKS_CAT' => $links['setup']['main']['link_cat'], + )); + $links['alternate'] = array(); + if (!empty($links['setup']['rss']['display_alternate'])) { + $links['alternate'] = array( + array( + 'TITLE' => $user->lang['RSS_FEED'], + 'URL' => $rss_main_url + ), + array( + 'TITLE' => $user->lang['RSS_CHAN_LIST_TITLE'], + 'URL' => $rss_chan_url + ), + ); + } + return $links; +} +/** +* get_feed_data($_params) +* returns the parsed feed. +* */ +function get_feed_data($_params) { + global $user, $config; + $feed_data = array( + 'items' => array(), + 'setup' => array('date' => false, 'author' => false, 'desclen' => 0, 'chantitle' => '', 'chanlink' => ''), + ); + @ini_set('user_agent','GYM Sitemaps & RSS / www.phpBB-SEO.com'); + @ini_set('default_socket_timeout', 5); + $xml = @file_get_contents($_params['url']); + if ($xml) { + // Get encoding + $encoding = get_match('`encoding=[\'"]([a-z0-9_-]+)[\'"]`Usi', $xml); + $encoding = !empty($encoding) ? strtolower($encoding) : detect_encoding($xml); + if(preg_match('`<item>(.*)</item>`si', $xml, $matches)){ + // Get chan info + $feed_data['setup']['chantitle'] = get_match('`<title>(.*)</title>`Usi', $xml, $encoding); + $feed_data['setup']['chanlink'] = get_match('`<link>(.*)</link>`Usi', $xml, $encoding); + $xml = trim($matches[0]); + unset($matches); + preg_match_all('`<item>(.*)</item>`Usi', $xml, $matches); + unset($matches[0]); + if (!empty($matches[1]) && is_array($matches[1])) { + $i = 1; + foreach($matches[1] as $key => $item) { + if ($i > $_params['limit']) { + break; + } + if ($title = get_match('`<title>(.*)</title>`Usi', $item, $encoding)) { + if ($link = get_match('`<link>(.*)</link>`Usi', $item, $encoding)) { + $feed_data['items'][$i]['PUBDATE'] = false; + if ($pubdate = get_match('`<pubDate>(.*)</pubDate>`Usi', $item, $encoding)) { + if (($pubdate = strtotime($pubdate, $user->time_now)) > 0) { + $feed_data['items'][$i]['PUBDATE'] = $user->format_date($pubdate, $config['default_dateformat']); + $feed_data['setup']['date'] = true; + } + } + $feed_data['items'][$i]['DESC'] = false; + if ($_params['desc'] && $description = get_match('`<description>(.*)</description>`Usi', $item, $encoding)) { + if (empty($_params['html'])) { + $description = htmlspecialchars($_params['striptags'] ? strip_tags($description) : $description, ENT_COMPAT, 'UTF-8'); + } + $feed_data['items'][$i]['DESC'] = str_replace(array("\r", "\n"), '<br />', $description); + $feed_data['setup']['desclen'] += utf8_strlen($feed_data['items'][$i]['DESC']); + } + $feed_data['items'][$i]['SOURCE'] = false; + if ($source = get_match('`<source[\s]+url="(.*)">(.*)</source>`Usi', $item, $encoding)) { + $feed_data['items'][$i]['SOURCE'] = htmlspecialchars($source, ENT_COMPAT, 'UTF-8'); + } + $feed_data['items'][$i]['TITLE'] = htmlspecialchars($title, ENT_COMPAT, 'UTF-8'); + $feed_data['items'][$i]['LINK'] = htmlspecialchars($link, ENT_COMPAT, 'UTF-8'); + $feed_data['items'][$i]['IMG'] = $user->img('topic_read', $feed_data['items'][$i]['TITLE'], false, '', 'src'); + $i++; + } + } + unset($matches[1][$key]); + } + } + unset($matches); + } + } + unset($xml); + return $feed_data; +} +/** +* detect_encoding($string) +* Inspired from php.net : http://www.php.net/mb_detect_encoding +*/ +function detect_encoding($string) { + if (function_exists('mb_detect_encoding')) { + if ($encoding = @mb_detect_encoding($string . 'a')) { + return strtolower($encoding); + } + } + // Else at least try to see if utf-8, otherwise fall back to iso-8859-1 + // non-overlong 2-byte|excluding overlongs|straight 3-byte|excluding surrogates|planes 1-3|planes 4-15|plane 16 + return preg_match('%(?:[\xC2-\xDF][\x80-\xBF]|\xE0[\xA0-\xBF][\x80-\xBF]|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}|\xED[\x80-\x9F][\x80-\xBF] |\xF0[\x90-\xBF][\x80-\xBF]{2}|[\xF1-\xF3][\x80-\xBF]{3}|\xF4[\x80-\x8F][\x80-\xBF]{2})+%xs', $string) ? 'utf-8' : 'iso-8859-1'; +} +/** +* get_match($pattern, $string, $encoding) +* returns properly encoded match from feed +*/ +function get_match($pattern, $string, $encoding = 'utf-8') { + static $filters = array('<![CDATA['=>'', ']]>'=>''); + $string = strtr($string, $filters); + preg_match($pattern, $string, $out); + if(!empty($out[1])) { + // cdata + $out[1] = strtr($out[1], $filters); + if( strtolower($encoding) != 'utf-8') { + $out[1] = utf8_recode($out[1], $encoding); + } + return @html_entity_decode(trim($out[1]), ENT_COMPAT, 'UTF-8'); + } else { + return ''; + } +} +/** +* set_exclude_list($id_list) will build up the public unauthed ids +*/ +function set_exclude_list($id_list) { + $exclude_list = empty($id_list) ? array() : explode(',', $id_list); + $ret = array(); + foreach ($exclude_list as $value ) { + $value = (int) trim($value); + if (!empty($value)) { + $ret[$value] = $value; + } + } + return $ret; +} +?>
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