767 lines
20 KiB
PHP
767 lines
20 KiB
PHP
<?
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session_start();
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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, $user_id = false) {
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if (WEB_DEMO_MODE) return;
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if (!$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"], $line["id"]);
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}
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}
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// db_query($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($link, "SELECT update_interval
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FROM ttrss_feeds WHERE id = '$feed'");
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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($feed);
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error_reporting(0);
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$rss = fetch_rss($feed_url);
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error_reporting (DEFAULT_ERROR_LEVEL);
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$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) {
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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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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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array_push($filters[$line["name"]], $line["reg_exp"]);
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}
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$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 = $item["summary"];
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if (!$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 = $item["description"];
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$entry_content_unescaped = $entry_content;
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// if (!$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($entry_content);
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$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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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($link,
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"INSERT INTO ttrss_entries
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(title,
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guid,
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link,
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updated,
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content,
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content_hash,
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no_orig_date,
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date_entered,
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comments)
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VALUES
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('$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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'$entry_comments')");
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}
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// now it should exist, if not - bad luck then
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$result = db_query($link, "SELECT
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id,content_hash,no_orig_date,title,
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substring(updated,1,19) as updated
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FROM
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ttrss_entries
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WHERE guid = '$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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// $orig_timestamp = strtotime(db_fetch_result($result, 0, "updated"));
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// $orig_no_orig_date = db_fetch_result($result, 0, "no_orig_date");
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$orig_title = db_fetch_result($result, 0, "title");
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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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if (is_filtered($entry_title, $entry_content, $entry_link, $filters)) {
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continue;
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}
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error_reporting (DEFAULT_ERROR_LEVEL);
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$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($result) == 0) {
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$result = db_query($link,
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"INSERT INTO ttrss_user_entries
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(ref_id, owner_uid, feed_id)
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VALUES ('$ref_id', '$owner_uid', '$feed')");
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}
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$post_needs_update = false;
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if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid) &&
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($content_hash != $orig_content_hash)) {
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$post_needs_update = true;
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}
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if ($orig_title != $entry_title) {
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$post_needs_update = true;
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}
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// this doesn't seem to be very reliable
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//
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// if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
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// $post_needs_update = true;
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// }
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// if post needs update, update it and mark all user entries
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// linking to this post as updated
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if ($post_needs_update) {
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// print "<!-- post $orig_title needs update : $post_needs_update -->";
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db_query($link, "UPDATE ttrss_entries
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SET title = '$entry_title', content = '$entry_content'
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WHERE id = '$ref_id'");
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db_query($link, "UPDATE ttrss_user_entries
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SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
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}
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}
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/* taaaags */
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// <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
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$entry_tags = null;
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preg_match_all("/<a.*?rel=.tag.*?>([^>]+)<\/a>/i",
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$entry_content_unescaped, $entry_tags);
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// print "<br>$entry_title : $entry_content_unescaped<br>";
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// print_r($entry_tags);
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$entry_tags = $entry_tags[1];
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if (count($entry_tags) > 0) {
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$result = db_query($link, "SELECT id,int_id
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FROM ttrss_entries,ttrss_user_entries
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WHERE guid = '$entry_guid'
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AND feed_id = '$feed' AND ref_id = id
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AND owner_uid = '$owner_uid'");
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if (db_num_rows($result) == 1) {
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$entry_id = db_fetch_result($result, 0, "id");
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$entry_int_id = db_fetch_result($result, 0, "int_id");
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foreach ($entry_tags as $tag) {
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$tag = db_escape_string(strtolower($tag));
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$tag = str_replace("technorati tag: ", "", $tag);
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$result = db_query($link, "SELECT id FROM ttrss_tags
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WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
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owner_uid = '$owner_uid' LIMIT 1");
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// print db_fetch_result($result, 0, "id");
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if ($result && db_num_rows($result) == 0) {
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// print "tagging $entry_id as $tag<br>";
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db_query($link, "INSERT INTO ttrss_tags
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(owner_uid,tag_name,post_int_id)
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VALUES ('$owner_uid','$tag', '$entry_int_id')");
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}
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}
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}
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}
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}
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db_query($link, "UPDATE ttrss_feeds
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SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
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db_query($link, "COMMIT");
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} else {
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$error_msg = db_escape_string(magpie_error());
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db_query($link,
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"UPDATE ttrss_feeds SET last_error = '$error_msg',
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last_updated = NOW() WHERE id = '$feed'");
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}
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}
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function print_select($id, $default, $values, $attributes = "") {
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print "<select id=\"$id\" $attributes>";
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foreach ($values as $v) {
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if ($v == $default)
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$sel = " selected";
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else
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$sel = "";
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print "<option$sel>$v</option>";
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}
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print "</select>";
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}
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function is_filtered($title, $content, $link, $filters) {
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if ($filters["title"]) {
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foreach ($filters["title"] as $title_filter) {
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if (preg_match("/$title_filter/i", $title))
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return true;
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}
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}
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if ($filters["content"]) {
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foreach ($filters["content"] as $content_filter) {
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if (preg_match("/$content_filter/i", $content))
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return true;
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}
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}
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if ($filters["both"]) {
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foreach ($filters["both"] as $filter) {
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if (preg_match("/$filter/i", $title) || preg_match("/$filter/i", $content))
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|
return true;
|
|
}
|
|
}
|
|
|
|
if ($filters["link"]) {
|
|
foreach ($filters["link"] as $link_filter) {
|
|
if (preg_match("/$link_filter/i", $link))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link) {
|
|
|
|
if (file_exists($icon_file) && filesize($icon_file) > 0) {
|
|
$feed_icon = "<img src=\"$icon_file\">";
|
|
} else {
|
|
$feed_icon = "<img 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 ('$uid', 'Tiny Tiny RSS: New Releases',
|
|
'http://tt-rss.spb.ru/releases.rss')");
|
|
|
|
}
|
|
|
|
function logout_user() {
|
|
session_destroy();
|
|
}
|
|
|
|
function login_sequence($link) {
|
|
if (!SINGLE_USER_MODE) {
|
|
|
|
if (!USE_HTTP_AUTH) {
|
|
if (!$_SESSION["uid"]) {
|
|
header("Location: login.php?rt=tt-rss.php");
|
|
exit;
|
|
}
|
|
} else {
|
|
if (!$_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.m", $timestamp) == date("Y.m")) {
|
|
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.m", $timestamp) == date("Y.m")) {
|
|
return date("D m", $timestamp);
|
|
} else {
|
|
return date("Y/m/d");
|
|
}
|
|
}
|
|
?>
|