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 FROM ttrss_filters WHERE
237 owner_uid = $owner_uid AND
238 (feed_id IS NULL OR feed_id = '$feed')");
240 while ($line = db_fetch_assoc($result)) {
241 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
242 array_push($filters[$line["name"]], $line["reg_exp"]);
245 $iterator = $rss->items
;
247 if (!$iterator) $iterator = $rss->entries
;
248 if (!$iterator) $iterator = $rss;
250 foreach ($iterator as $item) {
252 $entry_guid = $item["id"];
254 if (!$entry_guid) $entry_guid = $item["guid"];
255 if (!$entry_guid) $entry_guid = $item["link"];
257 if (!$entry_guid) continue;
259 $entry_timestamp = "";
261 $rss_2_date = $item['pubdate'];
262 $rss_1_date = $item['dc']['date'];
263 $atom_date = $item['issued'];
264 if (!$atom_date) $atom_date = $item['updated'];
266 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
267 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
268 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
270 if ($entry_timestamp == "") {
271 $entry_timestamp = time();
272 $no_orig_date = 'true';
274 $no_orig_date = 'false';
277 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
279 $entry_title = $item["title"];
281 // strange Magpie workaround
282 $entry_link = $item["link_"];
283 if (!$entry_link) $entry_link = $item["link"];
285 if (!$entry_title) continue;
286 if (!$entry_link) continue;
288 $entry_content = $item["content:escaped"];
290 if (!$entry_content) $entry_content = $item["summary"];
291 if (!$entry_content) $entry_content = $item["content:encoded"];
292 if (!$entry_content) $entry_content = $item["content"];
293 if (!$entry_content) $entry_content = $item["description"];
295 $entry_content_unescaped = $entry_content;
297 // if (!$entry_content) continue;
300 if (is_array($entry_content)) {
301 $entry_content = $entry_content["encoded"];
302 if (!$entry_content) $entry_content = $entry_content["escaped"];
306 // print_r($entry_content);
308 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
310 $entry_comments = $item["comments"];
312 $entry_guid = db_escape_string($entry_guid);
314 $result = db_query($link, "SELECT id FROM ttrss_entries
315 WHERE guid = '$entry_guid'");
317 $entry_content = db_escape_string($entry_content);
318 $entry_title = db_escape_string($entry_title);
319 $entry_link = db_escape_string($entry_link);
320 $entry_comments = db_escape_string($entry_comments);
322 if (db_num_rows($result) == 0) {
324 // base post entry does not exist, create it
326 $result = db_query($link,
327 "INSERT INTO ttrss_entries
341 '$entry_timestamp_fmt',
346 '$entry_comments')");
349 // now it should exist, if not - bad luck then
351 $result = db_query($link, "SELECT
352 id,content_hash,no_orig_date,title,
353 substring(updated,1,19) as updated
356 WHERE guid = '$entry_guid'");
358 if (db_num_rows($result) == 1) {
360 // this will be used below in update handler
361 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
362 // $orig_timestamp = strtotime(db_fetch_result($result, 0, "updated"));
363 // $orig_no_orig_date = db_fetch_result($result, 0, "no_orig_date");
364 $orig_title = db_fetch_result($result, 0, "title");
366 $ref_id = db_fetch_result($result, 0, "id");
368 // check for user post link to main table
370 // do we allow duplicate posts with same GUID in different feeds?
371 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid)) {
372 $dupcheck_qpart = "AND feed_id = '$feed'";
374 $dupcheck_qpart = "";
378 if (is_filtered($entry_title, $entry_content, $entry_link, $filters)) {
381 error_reporting (DEFAULT_ERROR_LEVEL
);
383 $result = db_query($link,
384 "SELECT ref_id FROM ttrss_user_entries WHERE
385 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
388 // okay it doesn't exist - create user entry
389 if (db_num_rows($result) == 0) {
390 $result = db_query($link,
391 "INSERT INTO ttrss_user_entries
392 (ref_id, owner_uid, feed_id)
393 VALUES ('$ref_id', '$owner_uid', '$feed')");
396 $post_needs_update = false;
398 if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid) &&
399 ($content_hash != $orig_content_hash)) {
400 $post_needs_update = true;
403 if ($orig_title != $entry_title) {
404 $post_needs_update = true;
407 // this doesn't seem to be very reliable
409 // if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
410 // $post_needs_update = true;
413 // if post needs update, update it and mark all user entries
414 // linking to this post as updated
415 if ($post_needs_update) {
417 // print "<!-- post $orig_title needs update : $post_needs_update -->";
419 db_query($link, "UPDATE ttrss_entries
420 SET title = '$entry_title', content = '$entry_content'
421 WHERE id = '$ref_id'");
423 db_query($link, "UPDATE ttrss_user_entries
424 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
430 // <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
434 preg_match_all("/<a.*?href=.http:\/\/technorati.com\/tag\/([^\"\'>]+)/i",
435 $entry_content_unescaped, $entry_tags);
437 // print "<br>$entry_title : $entry_content_unescaped<br>";
438 // print_r($entry_tags);
440 $entry_tags = $entry_tags[1];
442 if (count($entry_tags) > 0) {
444 $result = db_query($link, "SELECT id,int_id
445 FROM ttrss_entries,ttrss_user_entries
446 WHERE guid = '$entry_guid'
447 AND feed_id = '$feed' AND ref_id = id
448 AND owner_uid = '$owner_uid'");
450 if (db_num_rows($result) == 1) {
452 $entry_id = db_fetch_result($result, 0, "id");
453 $entry_int_id = db_fetch_result($result, 0, "int_id");
455 foreach ($entry_tags as $tag) {
456 $tag = db_escape_string(strtolower($tag));
458 $tag = str_replace("technorati tag: ", "", $tag);
460 $result = db_query($link, "SELECT id FROM ttrss_tags
461 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
462 owner_uid = '$owner_uid' LIMIT 1");
464 // print db_fetch_result($result, 0, "id");
466 if ($result && db_num_rows($result) == 0) {
468 // print "tagging $entry_id as $tag<br>";
470 db_query($link, "INSERT INTO ttrss_tags
471 (owner_uid,tag_name,post_int_id)
472 VALUES ('$owner_uid','$tag', '$entry_int_id')");
479 db_query($link, "UPDATE ttrss_feeds
480 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
482 db_query($link, "COMMIT");
485 $error_msg = db_escape_string(magpie_error());
487 "UPDATE ttrss_feeds SET last_error = '$error_msg',
488 last_updated = NOW() WHERE id = '$feed'");
493 function print_select($id, $default, $values, $attributes = "") {
494 print "<select id=\"$id\" $attributes>";
495 foreach ($values as $v) {
501 print "<option$sel>$v</option>";
506 function is_filtered($title, $content, $link, $filters) {
508 if ($filters["title"]) {
509 foreach ($filters["title"] as $title_filter) {
510 if (preg_match("/$title_filter/i", $title))
515 if ($filters["content"]) {
516 foreach ($filters["content"] as $content_filter) {
517 if (preg_match("/$content_filter/i", $content))
522 if ($filters["both"]) {
523 foreach ($filters["both"] as $filter) {
524 if (preg_match("/$filter/i", $title) ||
preg_match("/$filter/i", $content))
529 if ($filters["link"]) {
530 foreach ($filters["link"] as $link_filter) {
531 if (preg_match("/$link_filter/i", $link))
539 function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link) {
541 if (file_exists($icon_file) && filesize($icon_file) > 0) {
542 $feed_icon = "<img src=\"$icon_file\">";
544 $feed_icon = "<img src=\"images/blank_icon.gif\">";
547 $feed = "<a href=\"javascript:viewfeed('$feed_id', 0);\">$feed_title</a>";
549 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
550 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
554 print "<span id=\"FEEDN-$feed_id\">$feed</span>";
559 $fctr_class = "class=\"invisible\"";
562 print "<span $fctr_class id=\"FEEDCTR-$feed_id\">
563 (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
569 function getmicrotime() {
570 list($usec, $sec) = explode(" ",microtime());
571 return ((float)$usec +
(float)$sec);
574 function print_radio($id, $default, $values, $attributes = "") {
575 foreach ($values as $v) {
583 $sel .= " value=\"1\"";
585 $sel .= " value=\"0\"";
588 print "<input type=\"radio\" $sel $attributes name=\"$id\"> $v ";
593 function initialize_user_prefs($link, $uid) {
595 $uid = db_escape_string($uid);
597 db_query($link, "BEGIN");
599 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
601 $u_result = db_query($link, "SELECT pref_name
602 FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
604 $active_prefs = array();
606 while ($line = db_fetch_assoc($u_result)) {
607 array_push($active_prefs, $line["pref_name"]);
610 while ($line = db_fetch_assoc($result)) {
611 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
612 // print "adding " . $line["pref_name"] . "<br>";
614 db_query($link, "INSERT INTO ttrss_user_prefs
615 (owner_uid,pref_name,value) VALUES
616 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
621 db_query($link, "COMMIT");
625 function authenticate_user($link, $login, $password) {
627 $pwd_hash = 'SHA1:' . sha1($password);
629 $result = db_query($link, "SELECT id,login,access_level FROM ttrss_users WHERE
630 login = '$login' AND (pwd_hash = '$password' OR pwd_hash = '$pwd_hash')");
632 if (db_num_rows($result) == 1) {
633 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
634 $_SESSION["name"] = db_fetch_result($result, 0, "login");
635 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
637 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
640 $user_theme = get_user_theme_path($link);
642 $_SESSION["theme"] = $user_theme;
644 initialize_user_prefs($link, $_SESSION["uid"]);
653 function make_password($length = 8) {
656 $possible = "0123456789bcdfghjkmnpqrstvwxyz";
660 while ($i < $length) {
661 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
663 if (!strstr($password, $char)) {
671 // this is called after user is created to initialize default feeds, labels
674 // user preferences are checked on every login, not here
676 function initialize_user($link, $uid) {
678 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
679 values ('$uid','unread = true', 'Unread articles')");
681 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
682 values ('$uid','last_read is null and unread = false', 'Updated articles')");
684 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
685 values ('$uid', 'Tiny Tiny RSS: New Releases',
686 'http://tt-rss.spb.ru/releases.rss')");
690 function logout_user() {
694 function login_sequence($link) {
695 if (!SINGLE_USER_MODE
) {
697 if (!USE_HTTP_AUTH
) {
698 if (!$_SESSION["uid"]) {
699 header("Location: login.php?rt=tt-rss.php");
703 if (!$_SESSION["uid"]) {
704 if (!$_SERVER["PHP_AUTH_USER"]) {
706 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
707 header('HTTP/1.0 401 Unauthorized');
711 $auth_result = authenticate_user($link,
712 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
715 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
716 header('HTTP/1.0 401 Unauthorized');
723 $_SESSION["uid"] = 1;
724 $_SESSION["name"] = "admin";
725 initialize_user_prefs($link, 1);
729 function truncate_string($str, $max_len) {
730 if (strlen($str) > $max_len) {
731 return substr($str, 0, $max_len) . "...";
737 function get_user_theme_path($link) {
738 $result = db_query($link, "SELECT theme_path FROM ttrss_themes
739 WHERE id = (SELECT theme_id FROM ttrss_users
740 WHERE id = " . $_SESSION["uid"] . ")");
741 if (db_num_rows($result) != 0) {
742 return db_fetch_result($result, 0, "theme_path");
748 function smart_date_time($timestamp) {
749 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
750 return date("G:i", $timestamp);
751 } else if (date("Y.m", $timestamp) == date("Y.m")) {
752 return date("M d, G:i", $timestamp);
754 return date("Y/m/d G:i");
758 function smart_date($timestamp) {
759 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
761 } else if (date("Y.m", $timestamp) == date("Y.m")) {
762 return date("D m", $timestamp);
764 return date("Y/m/d");