mirror of
				https://git.tt-rss.org/fox/tt-rss.git
				synced 2025-11-04 05:41:29 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			862 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			862 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?
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	if ($_GET["debug"]) {
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		define('DEFAULT_ERROR_LEVEL', E_ALL);
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	} else {
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		define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
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	}
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	require_once 'config.php';
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	require_once 'db-prefs.php';
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	require_once 'magpierss/rss_utils.inc';
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	define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
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	function purge_feed($link, $feed_id, $purge_interval) {
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		if (DB_TYPE == "pgsql") {
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			db_query($link, "DELETE FROM ttrss_user_entries WHERE
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				marked = false AND feed_id = '$feed_id' AND
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				(SELECT date_entered FROM ttrss_entries WHERE
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					id = ref_id) < NOW() - INTERVAL '$purge_interval days'");
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		} else {
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			db_query($link, "DELETE FROM ttrss_user_entries WHERE
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				marked = false AND feed_id = '$feed_id' AND
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				(SELECT date_entered FROM ttrss_entries WHERE 
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					id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
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		}
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	}
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	function global_purge_old_posts($link, $do_output = false) {
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		$result = db_query($link, 
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			"SELECT id,purge_interval,owner_uid FROM ttrss_feeds");
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		while ($line = db_fetch_assoc($result)) {
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			$feed_id = $line["id"];
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			$purge_interval = $line["purge_interval"];
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			$owner_uid = $line["owner_uid"];
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			if ($purge_interval == 0) {
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				$tmp_result = db_query($link, 
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					"SELECT value FROM ttrss_user_prefs WHERE
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						pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
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				if (db_num_rows($tmp_result) != 0) {			
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					$purge_interval = db_fetch_result($tmp_result, 0, "value");
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				}
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			}
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			if ($do_output) {
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				print "<feed id='$feed_id' p_intl='$purge_interval'/>";
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			}
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			if ($purge_interval > 0) {
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				purge_feed($link, $feed_id, $purge_interval);
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			}
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		}	
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		// purge orphaned posts in main content table
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		db_query($link, "DELETE FROM ttrss_entries WHERE 
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			(SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
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	}
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	function purge_old_posts($link) {
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		$user_id = $_SESSION["uid"];
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		$result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds 
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			WHERE owner_uid = '$user_id'");
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		while ($line = db_fetch_assoc($result)) {
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			$feed_id = $line["id"];
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			$purge_interval = $line["purge_interval"];
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			if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
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			if ($purge_interval > 0) {
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				purge_feed($link, $feed_id, $purge_interval);
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			}
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		}	
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		// purge orphaned posts in main content table
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		db_query($link, "DELETE FROM ttrss_entries WHERE 
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			(SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
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	}
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	function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
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		if (WEB_DEMO_MODE) return;
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		if (!$user_id) {
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			$user_id = $_SESSION["uid"];
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			purge_old_posts($link);
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		}
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//		db_query($link, "BEGIN");
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		$result = db_query($link, "SELECT feed_url,id,
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			substring(last_updated,1,19) as last_updated,
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			update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'");
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		while ($line = db_fetch_assoc($result)) {
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			$upd_intl = $line["update_interval"];
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			if (!$upd_intl || $upd_intl == 0) {
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				$upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
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			}
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			if ($fetch || (!$line["last_updated"] || 
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				time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
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				update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
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			}
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		}
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//		db_query($link, "COMMIT");
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	}
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	function check_feed_favicon($feed_url, $feed, $link) {
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		$feed_url = str_replace("http://", "", $feed_url);
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		$feed_url = preg_replace("/\/.*$/", "", $feed_url);
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		$icon_url = "http://$feed_url/favicon.ico";
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		$icon_file = ICONS_DIR . "/$feed.ico";
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		if (!file_exists($icon_file)) {
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			error_reporting(0);
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			$r = fopen($icon_url, "r");
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			error_reporting (DEFAULT_ERROR_LEVEL);
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			if ($r) {
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				$tmpfname = tempnam("/tmp", "ttrssicon");
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				$t = fopen($tmpfname, "w");
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				while (!feof($r)) {
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					$buf = fread($r, 16384);
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					fwrite($t, $buf);
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				}
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				fclose($r);
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				fclose($t);
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				error_reporting(0);
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				if (!rename($tmpfname, $icon_file)) {
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					unlink($tmpfname);
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				}
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				chmod($icon_file, 0644);
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				error_reporting (DEFAULT_ERROR_LEVEL);
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			}	
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		}
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	}
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	function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
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		if (WEB_DEMO_MODE) return;
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		if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
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			return;			
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		}
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		$result = db_query($link, "SELECT update_interval,auth_login,auth_pass	
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			FROM ttrss_feeds WHERE id = '$feed'");
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		$auth_login = db_fetch_result($result, 0, "auth_login");
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		$auth_pass = db_fetch_result($result, 0, "auth_pass");
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		$update_interval = db_fetch_result($result, 0, "update_interval");
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		if ($update_interval < 0) { return; }
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		$feed = db_escape_string($feed);
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		$fetch_url = $feed_url;
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		if ($auth_login && $auth_pass) {
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			$url_parts = array();
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			preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
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			if ($url_parts[1] && $url_parts[2]) {
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				$fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
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			}
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		}
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		error_reporting(0);
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		$rss = fetch_rss($fetch_url);
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		error_reporting (DEFAULT_ERROR_LEVEL);
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		$feed = db_escape_string($feed);
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		if ($rss) {
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			db_query($link, "BEGIN");
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			$result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
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				FROM ttrss_feeds WHERE id = '$feed'");
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			$registered_title = db_fetch_result($result, 0, "title");
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			$orig_icon_url = db_fetch_result($result, 0, "icon_url");
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			$orig_site_url = db_fetch_result($result, 0, "site_url");
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			$owner_uid = db_fetch_result($result, 0, "owner_uid");
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			if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid)) {	
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				check_feed_favicon($feed_url, $feed, $link);
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			}
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			if (!$registered_title || $registered_title == "[Unknown]") {
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				$feed_title = db_escape_string($rss->channel["title"]);
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				db_query($link, "UPDATE ttrss_feeds SET 
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					title = '$feed_title' WHERE id = '$feed'");
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			}
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			$site_url = $rss->channel["link"];
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			// weird, weird Magpie
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			if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
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			if ($site_url && $orig_site_url != db_escape_string($site_url)) {
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				db_query($link, "UPDATE ttrss_feeds SET 
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					site_url = '$site_url' WHERE id = '$feed'");
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			}
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//			print "I: " . $rss->channel["image"]["url"];
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			$icon_url = $rss->image["url"];
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			if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
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				$icon_url = db_escape_string($icon_url);
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				db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
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			}
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			$filters = array();
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			$result = db_query($link, "SELECT reg_exp,
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				(SELECT name FROM ttrss_filter_types
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					WHERE id = filter_type) as name,
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				(SELECT name FROM ttrss_filter_actions
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					WHERE id = action_id) as action
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				FROM ttrss_filters WHERE 
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				owner_uid = $owner_uid AND
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				(feed_id IS NULL OR feed_id = '$feed')");
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			while ($line = db_fetch_assoc($result)) {
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				if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
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				$filter["reg_exp"] = $line["reg_exp"];
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				$filter["action"] = $line["action"];
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				array_push($filters[$line["name"]], $filter);
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			}
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			$iterator = $rss->items;
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			if (!$iterator) $iterator = $rss->entries;
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			if (!$iterator) $iterator = $rss;			
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			foreach ($iterator as $item) {
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				$entry_guid = $item["id"];
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				if (!$entry_guid) $entry_guid = $item["guid"];
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				if (!$entry_guid) $entry_guid = $item["link"];
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				if (!$entry_guid) continue;
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				$entry_timestamp = "";
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				$rss_2_date = $item['pubdate'];
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				$rss_1_date = $item['dc']['date'];
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				$atom_date = $item['issued'];
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				if (!$atom_date) $atom_date = $item['updated'];
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				if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
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				if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
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				if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
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				if ($entry_timestamp == "") {
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					$entry_timestamp = time();
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					$no_orig_date = 'true';
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				} else {
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					$no_orig_date = 'false';
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				}
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				$entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
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				$entry_title = $item["title"];
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				// strange Magpie workaround
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				$entry_link = $item["link_"];
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				if (!$entry_link) $entry_link = $item["link"];
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				if (!$entry_title) continue;
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				if (!$entry_link) continue;
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				$entry_content = $item["content:escaped"];
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				if (!$entry_content) $entry_content = $item["content:encoded"];
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				if (!$entry_content) $entry_content = $item["content"];
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				if (!$entry_content) $entry_content = $item["summary"];
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				if (!$entry_content) $entry_content = $item["description"];
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//				if (!$entry_content) continue;
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				// WTF
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				if (is_array($entry_content)) {
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					$entry_content = $entry_content["encoded"];
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					if (!$entry_content) $entry_content = $entry_content["escaped"];
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				}
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//				print_r($item);
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//				print_r(htmlspecialchars($entry_content));
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//				print "<br>";
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				$entry_content_unescaped = $entry_content;
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				$content_hash = "SHA1:" . sha1(strip_tags($entry_content));
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				$entry_comments = $item["comments"];
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				$entry_guid = db_escape_string($entry_guid);
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				$result = db_query($link, "SELECT id FROM	ttrss_entries 
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					WHERE guid = '$entry_guid'");
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				$entry_content = db_escape_string($entry_content);
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				$entry_title = db_escape_string($entry_title);
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				$entry_link = db_escape_string($entry_link);
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				$entry_comments = db_escape_string($entry_comments);
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				$num_comments = db_escape_string($item["slash"]["comments"]);
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				if (!$num_comments) $num_comments = 0;
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				if (db_num_rows($result) == 0) {
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					// base post entry does not exist, create it
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					$result = db_query($link,
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						"INSERT INTO ttrss_entries 
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							(title,
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							guid,
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							link,
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							updated,
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							content,
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							content_hash,
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							no_orig_date,
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							date_entered,
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							comments,
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							num_comments)
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						VALUES
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							('$entry_title', 
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							'$entry_guid', 
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							'$entry_link',
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							'$entry_timestamp_fmt', 
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							'$entry_content', 
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							'$content_hash',
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							$no_orig_date, 
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							NOW(), 
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							'$entry_comments',
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							'$num_comments')");
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				}
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				// now it should exist, if not - bad luck then
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				$result = db_query($link, "SELECT 
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						id,content_hash,no_orig_date,title,
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						substring(updated,1,19) as updated,
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						num_comments
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					FROM 
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						ttrss_entries 
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					WHERE guid = '$entry_guid'");
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				if (db_num_rows($result) == 1) {
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					// this will be used below in update handler
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					$orig_content_hash = db_fetch_result($result, 0, "content_hash");
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					$orig_title = db_fetch_result($result, 0, "title");
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					$orig_num_comments = db_fetch_result($result, 0, "num_comments");
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					$ref_id = db_fetch_result($result, 0, "id");
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					// check for user post link to main table
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					// do we allow duplicate posts with same GUID in different feeds?
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					if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid)) {
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						$dupcheck_qpart = "AND feed_id = '$feed'";
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					} else { 
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						$dupcheck_qpart = "";
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					}
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//					error_reporting(0);
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					$filter_name = get_filter_name($entry_title, $entry_content, 
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						$entry_link, $filters);
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					if ($filter_name == "filter") {
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						continue;
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					}
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//					error_reporting (DEFAULT_ERROR_LEVEL);
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					$result = db_query($link,
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						"SELECT ref_id FROM ttrss_user_entries WHERE
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							ref_id = '$ref_id' AND owner_uid = '$owner_uid'
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							$dupcheck_qpart");
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					// okay it doesn't exist - create user entry
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					if (db_num_rows($result) == 0) {
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						if ($filter_name != 'catchup') {
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							$unread = 'true';
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						|
							$last_read_qpart = 'NULL';
 | 
						|
						} else {
 | 
						|
							$unread = 'false';
 | 
						|
							$last_read_qpart = 'NOW()';
 | 
						|
						}						
 | 
						|
						
 | 
						|
						$result = db_query($link,
 | 
						|
							"INSERT INTO ttrss_user_entries 
 | 
						|
								(ref_id, owner_uid, feed_id, unread, last_read) 
 | 
						|
							VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
 | 
						|
								$last_read_qpart)");
 | 
						|
					}
 | 
						|
					
 | 
						|
					$post_needs_update = false;
 | 
						|
 | 
						|
					if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid) &&
 | 
						|
						($content_hash != $orig_content_hash)) {
 | 
						|
						$post_needs_update = true;
 | 
						|
					}
 | 
						|
 | 
						|
					if ($orig_title != $entry_title) {
 | 
						|
						$post_needs_update = true;
 | 
						|
					}
 | 
						|
 | 
						|
					if ($orig_num_comments != $num_comments) {
 | 
						|
						$post_needs_update = true;
 | 
						|
					}
 | 
						|
 | 
						|
//					this doesn't seem to be very reliable
 | 
						|
//
 | 
						|
//					if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
 | 
						|
//						$post_needs_update = true;
 | 
						|
//					}
 | 
						|
 | 
						|
					// if post needs update, update it and mark all user entries 
 | 
						|
					// linking to this post as updated					
 | 
						|
					if ($post_needs_update) {
 | 
						|
 | 
						|
//						print "<!-- post $orig_title needs update : $post_needs_update -->";
 | 
						|
 | 
						|
						db_query($link, "UPDATE ttrss_entries 
 | 
						|
							SET title = '$entry_title', content = '$entry_content',
 | 
						|
								num_comments = '$num_comments'
 | 
						|
							WHERE id = '$ref_id'");
 | 
						|
 | 
						|
						db_query($link, "UPDATE ttrss_user_entries 
 | 
						|
							SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
 | 
						|
 | 
						|
					}
 | 
						|
				}
 | 
						|
 | 
						|
				/* taaaags */
 | 
						|
				// <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
 | 
						|
 | 
						|
				$entry_tags = null;
 | 
						|
 | 
						|
				preg_match_all("/<a.*?href=.http:\/\/.*?technorati.com\/tag\/([^\"\'>]+)/i", 
 | 
						|
					$entry_content_unescaped, $entry_tags);
 | 
						|
 | 
						|
//				print "<br>$entry_title : $entry_content_unescaped<br>";
 | 
						|
//				print_r($entry_tags);
 | 
						|
//				print "<br>";
 | 
						|
 | 
						|
				$entry_tags = $entry_tags[1];
 | 
						|
 | 
						|
				if (count($entry_tags) > 0) {
 | 
						|
				
 | 
						|
					$result = db_query($link, "SELECT id,int_id 
 | 
						|
						FROM ttrss_entries,ttrss_user_entries 
 | 
						|
						WHERE guid = '$entry_guid' 
 | 
						|
						AND feed_id = '$feed' AND ref_id = id
 | 
						|
						AND owner_uid = '$owner_uid'");
 | 
						|
 | 
						|
					if (db_num_rows($result) == 1) {
 | 
						|
 | 
						|
						$entry_id = db_fetch_result($result, 0, "id");
 | 
						|
						$entry_int_id = db_fetch_result($result, 0, "int_id");
 | 
						|
						
 | 
						|
						foreach ($entry_tags as $tag) {
 | 
						|
							$tag = db_escape_string(strtolower($tag));
 | 
						|
 | 
						|
							$tag = str_replace("+", " ", $tag);	
 | 
						|
							$tag = str_replace("technorati tag: ", "", $tag);
 | 
						|
	
 | 
						|
							$result = db_query($link, "SELECT id FROM ttrss_tags		
 | 
						|
								WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND 
 | 
						|
								owner_uid = '$owner_uid' LIMIT 1");
 | 
						|
	
 | 
						|
	//						print db_fetch_result($result, 0, "id");
 | 
						|
	
 | 
						|
							if ($result && db_num_rows($result) == 0) {
 | 
						|
								
 | 
						|
	//							print "tagging $entry_id as $tag<br>";
 | 
						|
	
 | 
						|
								db_query($link, "INSERT INTO ttrss_tags 
 | 
						|
									(owner_uid,tag_name,post_int_id)
 | 
						|
									VALUES ('$owner_uid','$tag', '$entry_int_id')");
 | 
						|
							}							
 | 
						|
						}
 | 
						|
					}
 | 
						|
				} 
 | 
						|
			} 
 | 
						|
 | 
						|
			db_query($link, "UPDATE ttrss_feeds 
 | 
						|
				SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 | 
						|
 | 
						|
			db_query($link, "COMMIT");
 | 
						|
 | 
						|
		} else {
 | 
						|
			$error_msg = db_escape_string(magpie_error());
 | 
						|
			db_query($link, 
 | 
						|
				"UPDATE ttrss_feeds SET last_error = '$error_msg', 
 | 
						|
					last_updated = NOW() WHERE id = '$feed'");
 | 
						|
		}
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	function print_select($id, $default, $values, $attributes = "") {
 | 
						|
		print "<select id=\"$id\" $attributes>";
 | 
						|
		foreach ($values as $v) {
 | 
						|
			if ($v == $default)
 | 
						|
				$sel = " selected";
 | 
						|
			 else
 | 
						|
			 	$sel = "";
 | 
						|
			
 | 
						|
			print "<option$sel>$v</option>";
 | 
						|
		}
 | 
						|
		print "</select>";
 | 
						|
	}
 | 
						|
 | 
						|
	function get_filter_name($title, $content, $link, $filters) {
 | 
						|
 | 
						|
		if ($filters["title"]) {
 | 
						|
			foreach ($filters["title"] as $filter) {
 | 
						|
				$reg_exp = $filter["reg_exp"];			
 | 
						|
				if (preg_match("/$reg_exp/i", $title)) {
 | 
						|
					return $filter["action"];
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if ($filters["content"]) {
 | 
						|
			foreach ($filters["content"] as $filter) {
 | 
						|
				$reg_exp = $filter["reg_exp"];			
 | 
						|
				if (preg_match("/$reg_exp/i", $content)) {
 | 
						|
					return $filter["action"];
 | 
						|
				}		
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if ($filters["both"]) {
 | 
						|
			foreach ($filters["both"] as $filter) {			
 | 
						|
				$reg_exp = $filter["reg_exp"];		
 | 
						|
				if (preg_match("/$reg_exp/i", $title) || 
 | 
						|
					preg_match("/$reg_exp/i", $content)) {
 | 
						|
					return $filter["action"];
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if ($filters["link"]) {
 | 
						|
			$reg_exp = $filter["reg_exp"];
 | 
						|
			foreach ($filters["link"] as $filter) {
 | 
						|
				$reg_exp = $filter["reg_exp"];
 | 
						|
				if (preg_match("/$reg_exp/i", $link)) {
 | 
						|
					return $filter["action"];
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link) {
 | 
						|
 | 
						|
		if (file_exists($icon_file) && filesize($icon_file) > 0) {
 | 
						|
				$feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
 | 
						|
		} else {
 | 
						|
			$feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
 | 
						|
		}
 | 
						|
 | 
						|
		$feed = "<a href=\"javascript:viewfeed('$feed_id', 0);\">$feed_title</a>";
 | 
						|
 | 
						|
		print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
 | 
						|
		if (get_pref($link, 'ENABLE_FEED_ICONS')) {
 | 
						|
			print "$feed_icon";
 | 
						|
		}
 | 
						|
 | 
						|
		print "<span id=\"FEEDN-$feed_id\">$feed</span>";
 | 
						|
 | 
						|
		if ($unread != 0) {
 | 
						|
			$fctr_class = "";
 | 
						|
		} else {
 | 
						|
			$fctr_class = "class=\"invisible\"";
 | 
						|
		}
 | 
						|
 | 
						|
		print "<span $fctr_class id=\"FEEDCTR-$feed_id\">
 | 
						|
			 (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
 | 
						|
		
 | 
						|
		print "</li>";
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	function getmicrotime() {
 | 
						|
		list($usec, $sec) = explode(" ",microtime());
 | 
						|
		return ((float)$usec + (float)$sec);
 | 
						|
	}
 | 
						|
 | 
						|
	function print_radio($id, $default, $values, $attributes = "") {
 | 
						|
		foreach ($values as $v) {
 | 
						|
		
 | 
						|
			if ($v == $default)
 | 
						|
				$sel = "checked";
 | 
						|
			 else
 | 
						|
			 	$sel = "";
 | 
						|
 | 
						|
			if ($v == "Yes") {
 | 
						|
				$sel .= " value=\"1\"";
 | 
						|
			} else {
 | 
						|
				$sel .= " value=\"0\"";
 | 
						|
			}
 | 
						|
			
 | 
						|
			print "<input type=\"radio\" $sel $attributes name=\"$id\"> $v ";
 | 
						|
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	function initialize_user_prefs($link, $uid) {
 | 
						|
 | 
						|
		$uid = db_escape_string($uid);
 | 
						|
 | 
						|
		db_query($link, "BEGIN");
 | 
						|
 | 
						|
		$result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
 | 
						|
		
 | 
						|
		$u_result = db_query($link, "SELECT pref_name 
 | 
						|
			FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
 | 
						|
 | 
						|
		$active_prefs = array();
 | 
						|
 | 
						|
		while ($line = db_fetch_assoc($u_result)) {
 | 
						|
			array_push($active_prefs, $line["pref_name"]);			
 | 
						|
		}
 | 
						|
 | 
						|
		while ($line = db_fetch_assoc($result)) {
 | 
						|
			if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 | 
						|
//				print "adding " . $line["pref_name"] . "<br>";
 | 
						|
 | 
						|
				db_query($link, "INSERT INTO ttrss_user_prefs
 | 
						|
					(owner_uid,pref_name,value) VALUES 
 | 
						|
					('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 | 
						|
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		db_query($link, "COMMIT");
 | 
						|
 | 
						|
	}
 | 
						|
	
 | 
						|
	function authenticate_user($link, $login, $password) {
 | 
						|
 | 
						|
		$pwd_hash = 'SHA1:' . sha1($password);
 | 
						|
 | 
						|
		$result = db_query($link, "SELECT id,login,access_level FROM ttrss_users WHERE 
 | 
						|
			login = '$login' AND (pwd_hash = '$password' OR pwd_hash = '$pwd_hash')");
 | 
						|
 | 
						|
		if (db_num_rows($result) == 1) {
 | 
						|
			$_SESSION["uid"] = db_fetch_result($result, 0, "id");
 | 
						|
			$_SESSION["name"] = db_fetch_result($result, 0, "login");
 | 
						|
			$_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 | 
						|
 | 
						|
			db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
 | 
						|
				$_SESSION["uid"]);
 | 
						|
 | 
						|
			$user_theme = get_user_theme_path($link);
 | 
						|
 | 
						|
			$_SESSION["theme"] = $user_theme;
 | 
						|
 | 
						|
			initialize_user_prefs($link, $_SESSION["uid"]);
 | 
						|
 | 
						|
			return true;
 | 
						|
		}
 | 
						|
 | 
						|
		return false;
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	function make_password($length = 8) {
 | 
						|
 | 
						|
		$password = "";
 | 
						|
		$possible = "0123456789bcdfghjkmnpqrstvwxyz"; 
 | 
						|
    
 | 
						|
		$i = 0; 
 | 
						|
    
 | 
						|
		while ($i < $length) { 
 | 
						|
			$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 | 
						|
        
 | 
						|
			if (!strstr($password, $char)) { 
 | 
						|
				$password .= $char;
 | 
						|
				$i++;
 | 
						|
			}
 | 
						|
		}
 | 
						|
		return $password;
 | 
						|
	}
 | 
						|
 | 
						|
	// this is called after user is created to initialize default feeds, labels
 | 
						|
	// or whatever else
 | 
						|
	
 | 
						|
	// user preferences are checked on every login, not here
 | 
						|
 | 
						|
	function initialize_user($link, $uid) {
 | 
						|
 | 
						|
		db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description) 
 | 
						|
			values ('$uid','unread = true', 'Unread articles')");
 | 
						|
 | 
						|
		db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description) 
 | 
						|
			values ('$uid','last_read is null and unread = false', 'Updated articles')");
 | 
						|
		
 | 
						|
		db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
 | 
						|
			values ('$uid', 'Tiny Tiny RSS: New Releases',
 | 
						|
			'http://tt-rss.spb.ru/releases.rss')");
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	function logout_user() {
 | 
						|
		session_destroy();		
 | 
						|
	}
 | 
						|
 | 
						|
	function get_script_urlpath() {
 | 
						|
		return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
 | 
						|
	}
 | 
						|
 | 
						|
	function get_login_redirect() {
 | 
						|
		$server = $_SERVER["SERVER_NAME"];
 | 
						|
 | 
						|
		if (ENABLE_LOGIN_SSL) {
 | 
						|
			$protocol = "https";
 | 
						|
		} else {
 | 
						|
			$protocol = "http";
 | 
						|
		}		
 | 
						|
 | 
						|
		$url_path = get_script_urlpath();
 | 
						|
 | 
						|
		$redirect_uri = "$protocol://$server$url_path/login.php";
 | 
						|
 | 
						|
		return $redirect_uri;
 | 
						|
	}
 | 
						|
 | 
						|
	function login_sequence($link) {
 | 
						|
		if (!SINGLE_USER_MODE) {
 | 
						|
 | 
						|
			if (!USE_HTTP_AUTH) {
 | 
						|
				if (!$_SESSION["uid"]) {
 | 
						|
					$redirect_uri = get_login_redirect();
 | 
						|
					$return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
 | 
						|
					header("Location: $redirect_uri?rt=$return_to");
 | 
						|
					exit;
 | 
						|
				}
 | 
						|
			} else {
 | 
						|
				if (!$_SESSION["uid"]) {
 | 
						|
					if (!$_SERVER["PHP_AUTH_USER"]) {
 | 
						|
 | 
						|
						header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
 | 
						|
						header('HTTP/1.0 401 Unauthorized');
 | 
						|
						exit;
 | 
						|
						
 | 
						|
					} else {
 | 
						|
						$auth_result = authenticate_user($link, 
 | 
						|
							$_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
 | 
						|
 | 
						|
						if (!$auth_result) {
 | 
						|
							header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
 | 
						|
							header('HTTP/1.0 401 Unauthorized');
 | 
						|
							exit;
 | 
						|
						}
 | 
						|
					}
 | 
						|
				}				
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			$_SESSION["uid"] = 1;
 | 
						|
			$_SESSION["name"] = "admin";
 | 
						|
			initialize_user_prefs($link, 1); 
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	function truncate_string($str, $max_len) {
 | 
						|
		if (strlen($str) > $max_len) {
 | 
						|
			return substr($str, 0, $max_len) . "...";
 | 
						|
		} else {
 | 
						|
			return $str;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	function get_user_theme_path($link) {
 | 
						|
		$result = db_query($link, "SELECT theme_path FROM ttrss_themes
 | 
						|
			WHERE id = (SELECT theme_id FROM ttrss_users 
 | 
						|
				WHERE id = " . $_SESSION["uid"] . ")");
 | 
						|
		if (db_num_rows($result) != 0) {
 | 
						|
			return db_fetch_result($result, 0, "theme_path");
 | 
						|
		} else {
 | 
						|
			return null;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	function smart_date_time($timestamp) {
 | 
						|
		if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
 | 
						|
			return date("G:i", $timestamp);
 | 
						|
		} else if (date("Y", $timestamp) == date("Y")) {
 | 
						|
			return date("M d, G:i", $timestamp);
 | 
						|
		} else {
 | 
						|
			return date("Y/m/d G:i");
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	function smart_date($timestamp) {
 | 
						|
		if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
 | 
						|
			return "Today";
 | 
						|
		} else if (date("Y", $timestamp) == date("Y")) {
 | 
						|
			return date("D m", $timestamp);
 | 
						|
		} else {
 | 
						|
			return date("Y/m/d");
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	function sql_bool_to_string($s) {
 | 
						|
		if ($s == "t" || $s == "1") {
 | 
						|
			return "true";
 | 
						|
		} else {
 | 
						|
			return "false";
 | 
						|
		}
 | 
						|
	}
 | 
						|
	
 | 
						|
	function toggleEvenOdd($a) {
 | 
						|
		if ($a == "even") 
 | 
						|
			return "odd";
 | 
						|
		else
 | 
						|
			return "even";
 | 
						|
	}
 | 
						|
?>
 |