";
}
if ($purge_interval > 0) {
purge_feed($link, $feed_id, $purge_interval);
}
}
// purge orphaned posts in main content table
db_query($link, "DELETE FROM ttrss_entries WHERE
(SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
}
function purge_old_posts($link) {
$user_id = $_SESSION["uid"];
$result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
WHERE owner_uid = '$user_id'");
while ($line = db_fetch_assoc($result)) {
$feed_id = $line["id"];
$purge_interval = $line["purge_interval"];
if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
if ($purge_interval > 0) {
purge_feed($link, $feed_id, $purge_interval);
}
}
// purge orphaned posts in main content table
db_query($link, "DELETE FROM ttrss_entries WHERE
(SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
}
function update_all_feeds($link, $fetch, $user_id = false) {
if (WEB_DEMO_MODE) return;
if (!$user_id) {
$user_id = $_SESSION["uid"];
purge_old_posts($link);
}
if (DAEMON_REFRESH_ONLY && !$_GET["daemon"]) {
return;
}
db_query($link, "BEGIN");
$result = db_query($link, "SELECT feed_url,id,
substring(last_updated,1,19) as last_updated,
update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'");
while ($line = db_fetch_assoc($result)) {
$upd_intl = $line["update_interval"];
if (!$upd_intl || $upd_intl == 0) {
$upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
}
if ($fetch || (!$line["last_updated"] ||
time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
update_rss_feed($link, $line["feed_url"], $line["id"]);
}
}
db_query($link, "COMMIT");
}
function check_feed_favicon($feed_url, $feed, $link) {
$feed_url = str_replace("http://", "", $feed_url);
$feed_url = preg_replace("/\/.*$/", "", $feed_url);
$icon_url = "http://$feed_url/favicon.ico";
$icon_file = ICONS_DIR . "/$feed.ico";
if (!file_exists($icon_file)) {
error_reporting(0);
$r = fopen($icon_url, "r");
error_reporting (DEFAULT_ERROR_LEVEL);
if ($r) {
$tmpfname = tempnam("/tmp", "ttrssicon");
$t = fopen($tmpfname, "w");
while (!feof($r)) {
$buf = fread($r, 16384);
fwrite($t, $buf);
}
fclose($r);
fclose($t);
error_reporting(0);
if (!rename($tmpfname, $icon_file)) {
unlink($tmpfname);
}
chmod($icon_file, 0644);
error_reporting (DEFAULT_ERROR_LEVEL);
}
}
}
function update_rss_feed($link, $feed_url, $feed) {
if (WEB_DEMO_MODE) return;
$feed = db_escape_string($feed);
error_reporting(0);
$rss = fetch_rss($feed_url);
error_reporting (DEFAULT_ERROR_LEVEL);
db_query($link, "BEGIN");
$feed = db_escape_string($feed);
if ($rss) {
$result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
FROM ttrss_feeds WHERE id = '$feed'");
$registered_title = db_fetch_result($result, 0, "title");
$orig_icon_url = db_fetch_result($result, 0, "icon_url");
$orig_site_url = db_fetch_result($result, 0, "site_url");
$owner_uid = db_fetch_result($result, 0, "owner_uid");
if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid)) {
check_feed_favicon($feed_url, $feed, $link);
}
if (!$registered_title) {
$feed_title = db_escape_string($rss->channel["title"]);
db_query($link, "UPDATE ttrss_feeds SET
title = '$feed_title' WHERE id = '$feed'");
}
$site_url = $rss->channel["link"];
if ($site_url && $orig_site_url != db_escape_string($site_url)) {
$site_url = db_escape_string($rss->channel["link"]);
db_query($link, "UPDATE ttrss_feeds SET
site_url = '$site_url' WHERE id = '$feed'");
}
// print "I: " . $rss->channel["image"]["url"];
$icon_url = $rss->image["url"];
if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
$icon_url = db_escape_string($icon_url);
db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
}
$filters = array();
$result = db_query($link, "SELECT reg_exp,
(SELECT name FROM ttrss_filter_types
WHERE id = filter_type) as name
FROM ttrss_filters WHERE
owner_uid = $owner_uid AND
(feed_id IS NULL OR feed_id = '$feed')");
while ($line = db_fetch_assoc($result)) {
if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
array_push($filters[$line["name"]], $line["reg_exp"]);
}
foreach ($rss->items as $item) {
$entry_guid = $item["id"];
if (!$entry_guid) $entry_guid = $item["guid"];
if (!$entry_guid) $entry_guid = $item["link"];
if (!$entry_guid) continue;
$entry_timestamp = "";
$rss_2_date = $item['pubdate'];
$rss_1_date = $item['dc']['date'];
$atom_date = $item['issued'];
if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
if ($entry_timestamp == "") {
$entry_timestamp = time();
$no_orig_date = 'true';
} else {
$no_orig_date = 'false';
}
$entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
$entry_title = $item["title"];
$entry_link = $item["link"];
if (!$entry_title) continue;
if (!$entry_link) continue;
$entry_content = $item["content:escaped"];
if (!$entry_content) $entry_content = $item["content:encoded"];
if (!$entry_content) $entry_content = $item["content"];
if (!$entry_content) $entry_content = $item["description"];
$entry_content_unescaped = $entry_content;
// if (!$entry_content) continue;
// WTF
if (is_array($entry_content)) {
$entry_content = $entry_content["encoded"];
if (!$entry_content) $entry_content = $entry_content["escaped"];
}
// print_r($item);
// print_r($entry_content);
$content_hash = "SHA1:" . sha1(strip_tags($entry_content));
$entry_comments = $item["comments"];
$entry_guid = db_escape_string($entry_guid);
$result = db_query($link, "SELECT id FROM ttrss_entries
WHERE guid = '$entry_guid'");
$entry_content = db_escape_string($entry_content);
$entry_title = db_escape_string($entry_title);
$entry_link = db_escape_string($entry_link);
$entry_comments = db_escape_string($entry_comments);
if (db_num_rows($result) == 0) {
// base post entry does not exist, create it
$result = db_query($link,
"INSERT INTO ttrss_entries
(title,
guid,
link,
updated,
content,
content_hash,
no_orig_date,
date_entered,
comments)
VALUES
('$entry_title',
'$entry_guid',
'$entry_link',
'$entry_timestamp_fmt',
'$entry_content',
'$content_hash',
$no_orig_date,
NOW(),
'$entry_comments')");
}
// now it should exist, if not - bad luck then
$result = db_query($link, "SELECT
id,content_hash,no_orig_date,title,
substring(updated,1,19) as updated
FROM
ttrss_entries
WHERE guid = '$entry_guid'");
if (db_num_rows($result) == 1) {
// this will be used below in update handler
$orig_content_hash = db_fetch_result($result, 0, "content_hash");
// $orig_timestamp = strtotime(db_fetch_result($result, 0, "updated"));
// $orig_no_orig_date = db_fetch_result($result, 0, "no_orig_date");
$orig_title = db_fetch_result($result, 0, "title");
$ref_id = db_fetch_result($result, 0, "id");
// check for user post link to main table
// do we allow duplicate posts with same GUID in different feeds?
if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid)) {
$dupcheck_qpart = "AND feed_id = '$feed'";
} else {
$dupcheck_qpart = "";
}
error_reporting(0);
if (is_filtered($entry_title, $entry_content, $entry_link, $filters)) {
continue;
}
error_reporting (DEFAULT_ERROR_LEVEL);
$result = db_query($link,
"SELECT ref_id FROM ttrss_user_entries WHERE
ref_id = '$ref_id' AND owner_uid = '$owner_uid'
$dupcheck_qpart");
// okay it doesn't exist - create user entry
if (db_num_rows($result) == 0) {
$result = db_query($link,
"INSERT INTO ttrss_user_entries
(ref_id, owner_uid, feed_id)
VALUES ('$ref_id', '$owner_uid', '$feed')");
}
$post_needs_update = false;
if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid) &&
($content_hash != $orig_content_hash)) {
$post_needs_update = true;
}
if ($orig_title != $entry_title) {
$post_needs_update = true;
}
// this doesn't seem to be very reliable
//
// if ($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 "";
db_query($link, "UPDATE ttrss_entries
SET title = '$entry_title', content = '$entry_content'
WHERE id = '$ref_id'");
db_query($link, "UPDATE ttrss_user_entries
SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
}
}
/* taaaags */
// Xorg, //
$entry_tags = null;
preg_match_all("/([^>]+)<\/a>/i",
$entry_content_unescaped, $entry_tags);
// print "
$entry_title : $entry_content_unescaped
";
// print_r($entry_tags);
$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("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 $tag
";
db_query($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'");
} 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'");
}
db_query($link, "COMMIT");
}
function print_select($id, $default, $values, $attributes = "") {
print "";
}
function is_filtered($title, $content, $link, $filters) {
if ($filters["title"]) {
foreach ($filters["title"] as $title_filter) {
if (preg_match("/$title_filter/i", $title))
return true;
}
}
if ($filters["content"]) {
foreach ($filters["content"] as $content_filter) {
if (preg_match("/$content_filter/i", $content))
return true;
}
}
if ($filters["both"]) {
foreach ($filters["both"] as $filter) {
if (preg_match("/$filter/i", $title) || preg_match("/$filter/i", $content))
return true;
}
}
if ($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) {
$feed_icon = "![](\"$icon_file\")
";
} else {
$feed_icon = "![](\"images/blank_icon.gif\")
";
}
$feed = "$feed_title";
print "";
if (get_pref($link, 'ENABLE_FEED_ICONS')) {
print "$feed_icon";
}
print "$feed";
if ($unread != 0) {
$fctr_class = "";
} else {
$fctr_class = "class=\"invisible\"";
}
print "
($unread)";
print "";
}
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 " $v ";
}
}
function initialize_user_prefs($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 " . $line["pref_name"] . "
";
db_query($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 = " .
$_SESSION["uid"]);
initialize_user_prefs($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;
}
}
?>