5 define('DEFAULT_ERROR_LEVEL', E_ALL
);
7 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE
);
10 require_once 'config.php';
11 require_once 'db-prefs.php';
13 require_once 'magpierss/rss_utils.inc';
15 define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
17 function purge_feed($link, $feed_id, $purge_interval) {
19 if (DB_TYPE
== "pgsql") {
20 db_query($link, "DELETE FROM ttrss_user_entries WHERE
21 marked = false AND feed_id = '$feed_id' AND
22 (SELECT date_entered FROM ttrss_entries WHERE
23 id = ref_id) < NOW() - INTERVAL '$purge_interval days'");
25 db_query($link, "DELETE FROM ttrss_user_entries WHERE
26 marked = false AND feed_id = '$feed_id' AND
27 (SELECT date_entered FROM ttrss_entries WHERE
28 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
32 function global_purge_old_posts($link, $do_output = false) {
34 $result = db_query($link,
35 "SELECT id,purge_interval,owner_uid FROM ttrss_feeds");
37 while ($line = db_fetch_assoc($result)) {
39 $feed_id = $line["id"];
40 $purge_interval = $line["purge_interval"];
41 $owner_uid = $line["owner_uid"];
43 if ($purge_interval == 0) {
45 $tmp_result = db_query($link,
46 "SELECT value FROM ttrss_user_prefs WHERE
47 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
49 if (db_num_rows($tmp_result) != 0) {
50 $purge_interval = db_fetch_result($tmp_result, 0, "value");
55 print "<feed id='$feed_id' p_intl='$purge_interval'/>";
58 if ($purge_interval > 0) {
59 purge_feed($link, $feed_id, $purge_interval);
63 // purge orphaned posts in main content table
64 db_query($link, "DELETE FROM ttrss_entries WHERE
65 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
69 function purge_old_posts($link) {
71 $user_id = $_SESSION["uid"];
73 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
74 WHERE owner_uid = '$user_id'");
76 while ($line = db_fetch_assoc($result)) {
78 $feed_id = $line["id"];
79 $purge_interval = $line["purge_interval"];
81 if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
83 if ($purge_interval > 0) {
84 purge_feed($link, $feed_id, $purge_interval);
88 // purge orphaned posts in main content table
89 db_query($link, "DELETE FROM ttrss_entries WHERE
90 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
93 function update_all_feeds($link, $fetch, $user_id = false) {
95 if (WEB_DEMO_MODE
) return;
98 $user_id = $_SESSION["uid"];
99 purge_old_posts($link);
102 // db_query($link, "BEGIN");
104 $result = db_query($link, "SELECT feed_url,id,
105 substring(last_updated,1,19) as last_updated,
106 update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'");
108 while ($line = db_fetch_assoc($result)) {
109 $upd_intl = $line["update_interval"];
111 if (!$upd_intl ||
$upd_intl == 0) {
112 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
115 if ($fetch ||
(!$line["last_updated"] ||
116 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
118 update_rss_feed($link, $line["feed_url"], $line["id"]);
122 // db_query($link, "COMMIT");
126 function check_feed_favicon($feed_url, $feed, $link) {
127 $feed_url = str_replace("http://", "", $feed_url);
128 $feed_url = preg_replace("/\/.*$/", "", $feed_url);
130 $icon_url = "http://$feed_url/favicon.ico";
131 $icon_file = ICONS_DIR
. "/$feed.ico";
133 if (!file_exists($icon_file)) {
136 $r = fopen($icon_url, "r");
137 error_reporting (DEFAULT_ERROR_LEVEL
);
140 $tmpfname = tempnam("/tmp", "ttrssicon");
142 $t = fopen($tmpfname, "w");
145 $buf = fread($r, 16384);
153 if (!rename($tmpfname, $icon_file)) {
157 chmod($icon_file, 0644);
159 error_reporting (DEFAULT_ERROR_LEVEL
);
165 function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
167 if (WEB_DEMO_MODE
) return;
169 if (DAEMON_REFRESH_ONLY
&& !$_GET["daemon"] && !$ignore_daemon) {
173 $result = db_query($link, "SELECT update_interval
174 FROM ttrss_feeds WHERE id = '$feed'");
176 $update_interval = db_fetch_result($result, 0, "update_interval");
178 if ($update_interval < 0) { return; }
180 $feed = db_escape_string($feed);
183 $rss = fetch_rss($feed_url);
185 error_reporting (DEFAULT_ERROR_LEVEL
);
187 $feed = db_escape_string($feed);
191 db_query($link, "BEGIN");
193 $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
194 FROM ttrss_feeds WHERE id = '$feed'");
196 $registered_title = db_fetch_result($result, 0, "title");
197 $orig_icon_url = db_fetch_result($result, 0, "icon_url");
198 $orig_site_url = db_fetch_result($result, 0, "site_url");
200 $owner_uid = db_fetch_result($result, 0, "owner_uid");
202 if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid)) {
203 check_feed_favicon($feed_url, $feed, $link);
206 if (!$registered_title) {
207 $feed_title = db_escape_string($rss->channel
["title"]);
208 db_query($link, "UPDATE ttrss_feeds SET
209 title = '$feed_title' WHERE id = '$feed'");
212 $site_url = $rss->channel
["link"];
213 // weird, weird Magpie
214 if (!$site_url) $site_url = db_escape_string($rss->channel
["link_"]);
216 if ($site_url && $orig_site_url != db_escape_string($site_url)) {
217 db_query($link, "UPDATE ttrss_feeds SET
218 site_url = '$site_url' WHERE id = '$feed'");
221 // print "I: " . $rss->channel["image"]["url"];
223 $icon_url = $rss->image
["url"];
225 if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
226 $icon_url = db_escape_string($icon_url);
227 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
233 $result = db_query($link, "SELECT reg_exp,
234 (SELECT name FROM ttrss_filter_types
235 WHERE id = filter_type) as name,
236 (SELECT name FROM ttrss_filter_actions
237 WHERE id = action_id) as action
238 FROM ttrss_filters WHERE
239 owner_uid = $owner_uid AND
240 (feed_id IS NULL OR feed_id = '$feed')");
242 while ($line = db_fetch_assoc($result)) {
243 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
245 $filter["reg_exp"] = $line["reg_exp"];
246 $filter["action"] = $line["action"];
248 array_push($filters[$line["name"]], $filter);
251 $iterator = $rss->items
;
253 if (!$iterator) $iterator = $rss->entries
;
254 if (!$iterator) $iterator = $rss;
256 foreach ($iterator as $item) {
258 $entry_guid = $item["id"];
260 if (!$entry_guid) $entry_guid = $item["guid"];
261 if (!$entry_guid) $entry_guid = $item["link"];
263 if (!$entry_guid) continue;
265 $entry_timestamp = "";
267 $rss_2_date = $item['pubdate'];
268 $rss_1_date = $item['dc']['date'];
269 $atom_date = $item['issued'];
270 if (!$atom_date) $atom_date = $item['updated'];
272 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
273 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
274 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
276 if ($entry_timestamp == "") {
277 $entry_timestamp = time();
278 $no_orig_date = 'true';
280 $no_orig_date = 'false';
283 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
285 $entry_title = $item["title"];
287 // strange Magpie workaround
288 $entry_link = $item["link_"];
289 if (!$entry_link) $entry_link = $item["link"];
291 if (!$entry_title) continue;
292 if (!$entry_link) continue;
294 $entry_content = $item["content:escaped"];
296 if (!$entry_content) $entry_content = $item["summary"];
297 if (!$entry_content) $entry_content = $item["content:encoded"];
298 if (!$entry_content) $entry_content = $item["content"];
299 if (!$entry_content) $entry_content = $item["description"];
301 $entry_content_unescaped = $entry_content;
303 // if (!$entry_content) continue;
306 if (is_array($entry_content)) {
307 $entry_content = $entry_content["encoded"];
308 if (!$entry_content) $entry_content = $entry_content["escaped"];
312 // print_r($entry_content);
314 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
316 $entry_comments = $item["comments"];
318 $entry_guid = db_escape_string($entry_guid);
320 $result = db_query($link, "SELECT id FROM ttrss_entries
321 WHERE guid = '$entry_guid'");
323 $entry_content = db_escape_string($entry_content);
324 $entry_title = db_escape_string($entry_title);
325 $entry_link = db_escape_string($entry_link);
326 $entry_comments = db_escape_string($entry_comments);
328 if (db_num_rows($result) == 0) {
330 // base post entry does not exist, create it
332 $result = db_query($link,
333 "INSERT INTO ttrss_entries
347 '$entry_timestamp_fmt',
352 '$entry_comments')");
355 // now it should exist, if not - bad luck then
357 $result = db_query($link, "SELECT
358 id,content_hash,no_orig_date,title,
359 substring(updated,1,19) as updated
362 WHERE guid = '$entry_guid'");
364 if (db_num_rows($result) == 1) {
366 // this will be used below in update handler
367 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
368 // $orig_timestamp = strtotime(db_fetch_result($result, 0, "updated"));
369 // $orig_no_orig_date = db_fetch_result($result, 0, "no_orig_date");
370 $orig_title = db_fetch_result($result, 0, "title");
372 $ref_id = db_fetch_result($result, 0, "id");
374 // check for user post link to main table
376 // do we allow duplicate posts with same GUID in different feeds?
377 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid)) {
378 $dupcheck_qpart = "AND feed_id = '$feed'";
380 $dupcheck_qpart = "";
383 // error_reporting(0);
385 $filter_name = get_filter_name($entry_title, $entry_content,
386 $entry_link, $filters);
388 if ($filter_name == "filter") {
392 // error_reporting (DEFAULT_ERROR_LEVEL);
394 $result = db_query($link,
395 "SELECT ref_id FROM ttrss_user_entries WHERE
396 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
399 // okay it doesn't exist - create user entry
400 if (db_num_rows($result) == 0) {
402 if ($filter_name != 'catchup') {
404 $last_read_qpart = 'NULL';
407 $last_read_qpart = 'NOW()';
410 $result = db_query($link,
411 "INSERT INTO ttrss_user_entries
412 (ref_id, owner_uid, feed_id, unread, last_read)
413 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
417 $post_needs_update = false;
419 if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid) &&
420 ($content_hash != $orig_content_hash)) {
421 $post_needs_update = true;
424 if ($orig_title != $entry_title) {
425 $post_needs_update = true;
428 // this doesn't seem to be very reliable
430 // if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
431 // $post_needs_update = true;
434 // if post needs update, update it and mark all user entries
435 // linking to this post as updated
436 if ($post_needs_update) {
438 // print "<!-- post $orig_title needs update : $post_needs_update -->";
440 db_query($link, "UPDATE ttrss_entries
441 SET title = '$entry_title', content = '$entry_content'
442 WHERE id = '$ref_id'");
444 db_query($link, "UPDATE ttrss_user_entries
445 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
451 // <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
455 preg_match_all("/<a.*?href=.http:\/\/technorati.com\/tag\/([^\"\'>]+)/i",
456 $entry_content_unescaped, $entry_tags);
458 // print "<br>$entry_title : $entry_content_unescaped<br>";
459 // print_r($entry_tags);
461 $entry_tags = $entry_tags[1];
463 if (count($entry_tags) > 0) {
465 $result = db_query($link, "SELECT id,int_id
466 FROM ttrss_entries,ttrss_user_entries
467 WHERE guid = '$entry_guid'
468 AND feed_id = '$feed' AND ref_id = id
469 AND owner_uid = '$owner_uid'");
471 if (db_num_rows($result) == 1) {
473 $entry_id = db_fetch_result($result, 0, "id");
474 $entry_int_id = db_fetch_result($result, 0, "int_id");
476 foreach ($entry_tags as $tag) {
477 $tag = db_escape_string(strtolower($tag));
479 $tag = str_replace("+", " ", $tag);
480 $tag = str_replace("technorati tag: ", "", $tag);
482 $result = db_query($link, "SELECT id FROM ttrss_tags
483 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
484 owner_uid = '$owner_uid' LIMIT 1");
486 // print db_fetch_result($result, 0, "id");
488 if ($result && db_num_rows($result) == 0) {
490 // print "tagging $entry_id as $tag<br>";
492 db_query($link, "INSERT INTO ttrss_tags
493 (owner_uid,tag_name,post_int_id)
494 VALUES ('$owner_uid','$tag', '$entry_int_id')");
501 db_query($link, "UPDATE ttrss_feeds
502 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
504 db_query($link, "COMMIT");
507 $error_msg = db_escape_string(magpie_error());
509 "UPDATE ttrss_feeds SET last_error = '$error_msg',
510 last_updated = NOW() WHERE id = '$feed'");
515 function print_select($id, $default, $values, $attributes = "") {
516 print "<select id=\"$id\" $attributes>";
517 foreach ($values as $v) {
523 print "<option$sel>$v</option>";
528 function get_filter_name($title, $content, $link, $filters) {
530 if ($filters["title"]) {
531 foreach ($filters["title"] as $filter) {
532 $reg_exp = $filter["reg_exp"];
533 if (preg_match("/$reg_exp/i", $title)) {
534 return $filter["action"];
539 if ($filters["content"]) {
540 foreach ($filters["content"] as $filter) {
541 $reg_exp = $filter["reg_exp"];
542 if (preg_match("/$reg_exp/i", $content)) {
543 return $filter["action"];
548 if ($filters["both"]) {
549 foreach ($filters["both"] as $filter) {
550 $reg_exp = $filter["reg_exp"];
551 if (preg_match("/$reg_exp/i", $title) ||
552 preg_match("/$reg_exp/i", $content)) {
553 return $filter["action"];
558 if ($filters["link"]) {
559 $reg_exp = $filter["reg_exp"];
560 foreach ($filters["link"] as $filter) {
561 $reg_exp = $filter["reg_exp"];
562 if (preg_match("/$reg_exp/i", $link)) {
563 return $filter["action"];
571 function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link) {
573 if (file_exists($icon_file) && filesize($icon_file) > 0) {
574 $feed_icon = "<img src=\"$icon_file\">";
576 $feed_icon = "<img src=\"images/blank_icon.gif\">";
579 $feed = "<a href=\"javascript:viewfeed('$feed_id', 0);\">$feed_title</a>";
581 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
582 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
586 print "<span id=\"FEEDN-$feed_id\">$feed</span>";
591 $fctr_class = "class=\"invisible\"";
594 print "<span $fctr_class id=\"FEEDCTR-$feed_id\">
595 (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
601 function getmicrotime() {
602 list($usec, $sec) = explode(" ",microtime());
603 return ((float)$usec +
(float)$sec);
606 function print_radio($id, $default, $values, $attributes = "") {
607 foreach ($values as $v) {
615 $sel .= " value=\"1\"";
617 $sel .= " value=\"0\"";
620 print "<input type=\"radio\" $sel $attributes name=\"$id\"> $v ";
625 function initialize_user_prefs($link, $uid) {
627 $uid = db_escape_string($uid);
629 db_query($link, "BEGIN");
631 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
633 $u_result = db_query($link, "SELECT pref_name
634 FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
636 $active_prefs = array();
638 while ($line = db_fetch_assoc($u_result)) {
639 array_push($active_prefs, $line["pref_name"]);
642 while ($line = db_fetch_assoc($result)) {
643 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
644 // print "adding " . $line["pref_name"] . "<br>";
646 db_query($link, "INSERT INTO ttrss_user_prefs
647 (owner_uid,pref_name,value) VALUES
648 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
653 db_query($link, "COMMIT");
657 function authenticate_user($link, $login, $password) {
659 $pwd_hash = 'SHA1:' . sha1($password);
661 $result = db_query($link, "SELECT id,login,access_level FROM ttrss_users WHERE
662 login = '$login' AND (pwd_hash = '$password' OR pwd_hash = '$pwd_hash')");
664 if (db_num_rows($result) == 1) {
665 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
666 $_SESSION["name"] = db_fetch_result($result, 0, "login");
667 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
669 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
672 $user_theme = get_user_theme_path($link);
674 $_SESSION["theme"] = $user_theme;
676 initialize_user_prefs($link, $_SESSION["uid"]);
685 function make_password($length = 8) {
688 $possible = "0123456789bcdfghjkmnpqrstvwxyz";
692 while ($i < $length) {
693 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
695 if (!strstr($password, $char)) {
703 // this is called after user is created to initialize default feeds, labels
706 // user preferences are checked on every login, not here
708 function initialize_user($link, $uid) {
710 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
711 values ('$uid','unread = true', 'Unread articles')");
713 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
714 values ('$uid','last_read is null and unread = false', 'Updated articles')");
716 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
717 values ('$uid', 'Tiny Tiny RSS: New Releases',
718 'http://tt-rss.spb.ru/releases.rss')");
722 function logout_user() {
726 function login_sequence($link) {
727 if (!SINGLE_USER_MODE
) {
729 if (!USE_HTTP_AUTH
) {
730 if (!$_SESSION["uid"]) {
731 header("Location: login.php?rt=tt-rss.php");
735 if (!$_SESSION["uid"]) {
736 if (!$_SERVER["PHP_AUTH_USER"]) {
738 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
739 header('HTTP/1.0 401 Unauthorized');
743 $auth_result = authenticate_user($link,
744 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
747 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
748 header('HTTP/1.0 401 Unauthorized');
755 $_SESSION["uid"] = 1;
756 $_SESSION["name"] = "admin";
757 initialize_user_prefs($link, 1);
761 function truncate_string($str, $max_len) {
762 if (strlen($str) > $max_len) {
763 return substr($str, 0, $max_len) . "...";
769 function get_user_theme_path($link) {
770 $result = db_query($link, "SELECT theme_path FROM ttrss_themes
771 WHERE id = (SELECT theme_id FROM ttrss_users
772 WHERE id = " . $_SESSION["uid"] . ")");
773 if (db_num_rows($result) != 0) {
774 return db_fetch_result($result, 0, "theme_path");
780 function smart_date_time($timestamp) {
781 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
782 return date("G:i", $timestamp);
783 } else if (date("Y.m", $timestamp) == date("Y.m")) {
784 return date("M d, G:i", $timestamp);
786 return date("Y/m/d G:i");
790 function smart_date($timestamp) {
791 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
793 } else if (date("Y.m", $timestamp) == date("Y.m")) {
794 return date("D m", $timestamp);
796 return date("Y/m/d");
800 function sql_bool_to_string($s) {
801 if ($s == "t" ||
$s == "1") {