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tt-rss/functions.php
Andrew Dolgov a9cb1f8344 move out some functions from backend.php
2006-03-27 04:43:26 +01:00

1458 lines
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PHP
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<?
/* if ($_GET["debug"]) {
define('DEFAULT_ERROR_LEVEL', E_ALL);
} else {
define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
} */
require_once 'config.php';
require_once 'db-prefs.php';
require_once 'compat.php';
require_once 'magpierss/rss_utils.inc';
define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
$rows = -1;
if (DB_TYPE == "pgsql") {
/* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
marked = false AND feed_id = '$feed_id' AND
(SELECT date_entered FROM ttrss_entries WHERE
id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
$result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
ttrss_entries.id = ref_id AND
marked = false AND
feed_id = '$feed_id' AND
ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
$rows = pg_affected_rows($result);
} else {
/* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
marked = false AND feed_id = '$feed_id' AND
(SELECT date_entered FROM ttrss_entries WHERE
id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
$result = db_query($link, "DELETE FROM ttrss_user_entries
USING ttrss_user_entries, ttrss_entries
WHERE ttrss_entries.id = ref_id AND
marked = false AND
feed_id = '$feed_id' AND
ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
$rows = mysql_affected_rows($link);
}
if ($debug) {
print "Purged feed $feed_id ($purge_interval): deleted $rows articles\n";
}
}
function global_purge_old_posts($link, $do_output = false, $limit = false) {
$random_qpart = sql_random_function();
if ($limit) {
$limit_qpart = "LIMIT $limit";
} else {
$limit_qpart = "";
}
$result = db_query($link,
"SELECT id,purge_interval,owner_uid FROM ttrss_feeds
ORDER BY $random_qpart $limit_qpart");
while ($line = db_fetch_assoc($result)) {
$feed_id = $line["id"];
$purge_interval = $line["purge_interval"];
$owner_uid = $line["owner_uid"];
if ($purge_interval == 0) {
$tmp_result = db_query($link,
"SELECT value FROM ttrss_user_prefs WHERE
pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
if (db_num_rows($tmp_result) != 0) {
$purge_interval = db_fetch_result($tmp_result, 0, "value");
}
}
if ($do_output) {
// print "Feed $feed_id: purge interval = $purge_interval\n";
}
if ($purge_interval > 0) {
purge_feed($link, $feed_id, $purge_interval, $do_output);
}
}
// purge orphaned posts in main content table
db_query($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, $force_daemon = false) {
if (WEB_DEMO_MODE) return;
if (!$user_id) {
$user_id = $_SESSION["uid"];
purge_old_posts($link);
}
// db_query($link, "BEGIN");
if (MAX_UPDATE_TIME > 0) {
if (DB_TYPE == "mysql") {
$q_order = "RAND()";
} else {
$q_order = "RANDOM()";
}
} else {
$q_order = "last_updated DESC";
}
$result = db_query($link, "SELECT feed_url,id,
SUBSTRING(last_updated,1,19) AS last_updated,
update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
ORDER BY $q_order");
$upd_start = time();
while ($line = db_fetch_assoc($result)) {
$upd_intl = $line["update_interval"];
if (!$upd_intl || $upd_intl == 0) {
$upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
}
if ($upd_intl < 0) {
// Updates for this feed are disabled
continue;
}
if ($fetch || (!$line["last_updated"] ||
time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
// print "<!-- feed: ".$line["feed_url"]." -->";
update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
$upd_elapsed = time() - $upd_start;
if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
return;
}
}
}
// db_query($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_DIRECTORY, "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, $ignore_daemon = false) {
if (WEB_DEMO_MODE) return;
if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
return;
}
$result = db_query($link, "SELECT update_interval,auth_login,auth_pass
FROM ttrss_feeds WHERE id = '$feed'");
$auth_login = db_fetch_result($result, 0, "auth_login");
$auth_pass = db_fetch_result($result, 0, "auth_pass");
$update_interval = db_fetch_result($result, 0, "update_interval");
if ($update_interval < 0) { return; }
$feed = db_escape_string($feed);
$fetch_url = $feed_url;
if ($auth_login && $auth_pass) {
$url_parts = array();
preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
if ($url_parts[1] && $url_parts[2]) {
$fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
}
}
error_reporting(0);
$rss = fetch_rss($fetch_url);
error_reporting (DEFAULT_ERROR_LEVEL);
$feed = db_escape_string($feed);
if ($rss) {
// db_query($link, "BEGIN");
$result = db_query($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 || $registered_title == "[Unknown]") {
$feed_title = db_escape_string($rss->channel["title"]);
db_query($link, "UPDATE ttrss_feeds SET
title = '$feed_title' WHERE id = '$feed'");
}
$site_url = $rss->channel["link"];
// weird, weird Magpie
if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
if ($site_url && $orig_site_url != db_escape_string($site_url)) {
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,
ttrss_filter_types.name AS name,
ttrss_filter_actions.name AS action
FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
owner_uid = $owner_uid AND
ttrss_filter_types.id = filter_type AND
ttrss_filter_actions.id = action_id AND
(feed_id IS NULL OR feed_id = '$feed')");
while ($line = db_fetch_assoc($result)) {
if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
$filter["reg_exp"] = $line["reg_exp"];
$filter["action"] = $line["action"];
array_push($filters[$line["name"]], $filter);
}
$iterator = $rss->items;
if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
if (!$iterator || !is_array($iterator)) $iterator = $rss;
if (!is_array($iterator)) {
db_query($link, "UPDATE ttrss_feeds
SET last_error = 'Parse error: can\'t find any articles.'
WHERE id = '$feed'");
return; // WTF?
}
foreach ($iterator 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) $atom_date = $item['updated'];
if ($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"];
// strange Magpie workaround
$entry_link = $item["link_"];
if (!$entry_link) $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 = $item["summary"];
if (!$entry_content) $entry_content = $item["description"];
// if (!$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(htmlspecialchars($entry_content));
// print "<br>";
$entry_content_unescaped = $entry_content;
$content_hash = "SHA1:" . sha1(strip_tags($entry_content));
$entry_comments = $item["comments"];
$entry_author = db_escape_string($item['dc']['creator']);
$entry_guid = db_escape_string($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);
$num_comments = db_escape_string($item["slash"]["comments"]);
if (!$num_comments) $num_comments = 0;
db_query($link, "BEGIN");
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,
num_comments,
author)
VALUES
('$entry_title',
'$entry_guid',
'$entry_link',
'$entry_timestamp_fmt',
'$entry_content',
'$content_hash',
$no_orig_date,
NOW(),
'$entry_comments',
'$num_comments',
'$entry_author')");
} else {
// we keep encountering the entry in feeds, so we need to
// update date_entered column so that we don't get horrible
// dupes when the entry gets purged and reinserted again e.g.
// in the case of SLOW SLOW OMG SLOW updating feeds
$base_entry_id = db_fetch_result($result, 0, "id");
db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
WHERE id = '$base_entry_id'");
}
// now it should exist, if not - bad luck then
$result = db_query($link, "SELECT
id,content_hash,no_orig_date,title,
substring(date_entered,1,19) as date_entered,
substring(updated,1,19) as updated,
num_comments
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");
$orig_title = db_fetch_result($result, 0, "title");
$orig_num_comments = db_fetch_result($result, 0, "num_comments");
$orig_date_entered = strtotime(db_fetch_result($result,
0, "date_entered"));
$ref_id = db_fetch_result($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);
$filter_name = get_filter_name($entry_title, $entry_content,
$entry_link, $filters);
if ($filter_name == "filter") {
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) {
if ($filter_name != 'catchup') {
$unread = 'true';
$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");
}
}
db_query($link, "COMMIT");
/* 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) {
db_query($link, "BEGIN");
$result = db_query($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, "COMMIT");
}
}
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,
$rtl_content = false) {
if (file_exists($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\">";
}
if ($rtl_content) {
$rtl_tag = "dir=\"rtl\"";
} else {
$rtl_tag = "dir=\"ltr\"";
}
$feed = "<a href=\"javascript:viewfeed('$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 $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
if ($unread != 0) {
$fctr_class = "";
} else {
$fctr_class = "class=\"invisible\"";
}
print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$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 class=\"noborder\"
type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
}
}
function initialize_user_prefs($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 = '$login' AND pwd_hash = '$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;
$_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
initialize_user_prefs($link, $_SESSION["uid"]);
return true;
}
return false;
}
function make_password($length = 8) {
$password = "";
$possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
$i = 0;
while ($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 ('$uid', 'Tiny Tiny RSS: New Releases',
'http://tt-rss.spb.ru/releases.rss')");
}
function logout_user() {
session_destroy();
if (isset($_COOKIE[session_name()])) {
setcookie(session_name(), '', time()-42000, '/');
}
}
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 $redirect_uri;
}
function validate_session($link) {
if (SESSION_CHECK_ADDRESS && !DATABASE_BACKED_SESSIONS && $_SESSION["uid"]) {
if ($_SESSION["ip_address"]) {
if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
return false;
}
}
}
return true;
}
function basic_nosid_redirect_check() {
if (!SINGLE_USER_MODE) {
if (!$_COOKIE["ttrss_sid"]) {
$redirect_uri = get_login_redirect();
$return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
header("Location: $redirect_uri?rt=$return_to");
exit;
}
}
}
function login_sequence($link) {
if (!SINGLE_USER_MODE) {
if (!validate_session($link)) {
logout_user();
$redirect_uri = get_login_redirect();
$return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
header("Location: $redirect_uri?rt=$return_to");
exit;
}
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, $max_len) {
if (mb_strlen($str, "utf-8") > $max_len - 3) {
return mb_substr($str, 0, $max_len, "utf-8") . "...";
} else {
return $str;
}
}
function get_user_theme_path($link) {
$result = db_query($link, "SELECT theme_path
FROM
ttrss_themes,ttrss_users
WHERE ttrss_themes.id = theme_id AND ttrss_users.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", $timestamp);
}
}
function smart_date($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", $timestamp);
}
}
function sql_bool_to_string($s) {
if ($s == "t" || $s == "1") {
return "true";
} else {
return "false";
}
}
function sql_bool_to_bool($s) {
if ($s == "t" || $s == "1") {
return true;
} else {
return false;
}
}
function toggleEvenOdd($a) {
if ($a == "even")
return "odd";
else
return "even";
}
function sanity_check($link) {
$error_code = 0;
$result = db_query($link, "SELECT schema_version FROM ttrss_version");
$schema_version = db_fetch_result($result, 0, "schema_version");
if ($schema_version != SCHEMA_VERSION) {
$error_code = 5;
}
if ($error_code != 0) {
print "<error error-code='$error_code'/>";
return false;
} else {
return true;
}
}
function file_is_locked($filename) {
error_reporting(0);
$fp = fopen($filename, "r");
error_reporting(DEFAULT_ERROR_LEVEL);
if ($fp) {
if (flock($fp, LOCK_EX | LOCK_NB)) {
flock($fp, LOCK_UN);
fclose($fp);
return false;
}
fclose($fp);
return true;
}
return false;
}
function make_lockfile($filename) {
$fp = fopen($filename, "w");
if (flock($fp, LOCK_EX | LOCK_NB)) {
return $fp;
} else {
return false;
}
}
function sql_random_function() {
if (DB_TYPE == "mysql") {
return "RAND()";
} else {
return "RANDOM()";
}
}
function catchup_feed($link, $feed, $cat_view) {
if (preg_match("/^[0-9][0-9]*$/", $feed) != false && $feed >= 0) {
if ($cat_view) {
if ($feed > 0) {
$cat_qpart = "cat_id = '$feed'";
} else {
$cat_qpart = "cat_id IS NULL";
}
$tmp_result = db_query($link, "SELECT id
FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
$_SESSION["uid"]);
while ($tmp_line = db_fetch_assoc($tmp_result)) {
$tmp_feed = $tmp_line["id"];
db_query($link, "UPDATE ttrss_user_entries
SET unread = false,last_read = NOW()
WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
}
} else if ($feed > 0) {
$tmp_result = db_query($link, "SELECT id
FROM ttrss_feeds WHERE parent_feed = '$feed'
ORDER BY cat_id,title");
$parent_ids = array();
if (db_num_rows($tmp_result) > 0) {
while ($p = db_fetch_assoc($tmp_result)) {
array_push($parent_ids, "feed_id = " . $p["id"]);
}
$children_qpart = implode(" OR ", $parent_ids);
db_query($link, "UPDATE ttrss_user_entries
SET unread = false,last_read = NOW()
WHERE (feed_id = '$feed' OR $children_qpart)
AND owner_uid = " . $_SESSION["uid"]);
} else {
db_query($link, "UPDATE ttrss_user_entries
SET unread = false,last_read = NOW()
WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
}
} else if ($feed < 0 && $feed > -10) { // special, like starred
if ($feed == -1) {
db_query($link, "UPDATE ttrss_user_entries
SET unread = false,last_read = NOW()
WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
}
} else if ($feed < -10) { // label
// TODO make this more efficient
$label_id = -$feed - 11;
$tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
WHERE id = '$label_id'");
if ($tmp_result) {
$sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
db_query($link, "BEGIN");
$tmp2_result = db_query($link,
"SELECT
int_id
FROM
ttrss_user_entries,ttrss_entries
WHERE
ref_id = id AND
$sql_exp AND
owner_uid = " . $_SESSION["uid"]);
while ($tmp_line = db_fetch_assoc($tmp2_result)) {
db_query($link, "UPDATE
ttrss_user_entries
SET
unread = false, last_read = NOW()
WHERE
int_id = " . $tmp_line["int_id"]);
}
db_query($link, "COMMIT");
/* db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
SET unread = false,last_read = NOW()
WHERE $sql_exp
AND ref_id = id
AND owner_uid = ".$_SESSION["uid"]); */
}
}
} else { // tag
db_query($link, "BEGIN");
$tag_name = db_escape_string($feed);
$result = db_query($link, "SELECT post_int_id FROM ttrss_tags
WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
while ($line = db_fetch_assoc($result)) {
db_query($link, "UPDATE ttrss_user_entries SET
unread = false, last_read = NOW()
WHERE int_id = " . $line["post_int_id"]);
}
db_query($link, "COMMIT");
}
}
function update_generic_feed($link, $feed, $cat_view) {
if ($cat_view) {
if ($feed > 0) {
$cat_qpart = "cat_id = '$feed'";
} else {
$cat_qpart = "cat_id IS NULL";
}
$tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
while ($tmp_line = db_fetch_assoc($tmp_result)) {
$feed_url = $tmp_line["feed_url"];
update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
}
} else {
$tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
WHERE id = '$feed'");
$feed_url = db_fetch_result($tmp_result, 0, "feed_url");
update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
}
}
function getAllCounters($link) {
getLabelCounters($link);
getFeedCounters($link);
getTagCounters($link);
getGlobalCounters($link);
if (get_pref($link, 'ENABLE_FEED_CATS')) {
getCategoryCounters($link);
}
}
function getCategoryCounters($link) {
$result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id
AND unread = true)) AS unread FROM ttrss_feeds
WHERE
owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
while ($line = db_fetch_assoc($result)) {
$line["cat_id"] = sprintf("%d", $line["cat_id"]);
print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
$line["unread"]."\"/>";
}
}
function getFeedUnread($link, $feed) {
$n_feed = sprintf("%d", $feed);
if ($n_feed == -1) {
$match_part = "marked = true";
} else if ($feed > 0) {
$match_part = "feed_id = '$n_feed'";
} else if ($feed < -10) {
$label_id = -$feed - 11;
$result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
$match_part = db_fetch_result($result, 0, "sql_exp");
}
if ($match_part) {
$result = db_query($link, "SELECT count(int_id) AS unread
FROM ttrss_user_entries
WHERE unread = true AND $match_part AND owner_uid = " . $_SESSION["uid"]);
} else {
$result = db_query($link, "SELECT COUNT(post_int_id) AS unread
FROM ttrss_tags,ttrss_user_entries
WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
ttrss_tags.owner_uid = " . $_SESSION["uid"]);
}
$unread = db_fetch_result($result, 0, "unread");
return $unread;
}
/* FIXME this needs reworking */
function getGlobalUnread($link) {
$result = db_query($link, "SELECT count(id) as c_id FROM ttrss_entries,ttrss_user_entries
WHERE unread = true AND
ttrss_user_entries.ref_id = ttrss_entries.id AND
owner_uid = " . $_SESSION["uid"]);
$c_id = db_fetch_result($result, 0, "c_id");
return $c_id;
}
function getGlobalCounters($link, $global_unread = -1) {
if ($global_unread == -1) {
$global_unread = getGlobalUnread($link);
}
print "<counter type=\"global\" id='global-unread' counter='$global_unread'/>";
}
function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
if ($smart_mode) {
if (!$_SESSION["tctr_last_value"]) {
$_SESSION["tctr_last_value"] = array();
}
}
$old_counters = $_SESSION["tctr_last_value"];
$tctrs_modified = false;
/* $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
ttrss_user_entries.ref_id = ttrss_entries.id AND
ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
UNION
select tag_name,0 as count FROM ttrss_tags
WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
$result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
FROM ttrss_user_entries WHERE int_id = post_int_id
AND unread = true)) AS count FROM ttrss_tags
WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
$tags = array();
while ($line = db_fetch_assoc($result)) {
$tags[$line["tag_name"]] += $line["count"];
}
foreach (array_keys($tags) as $tag) {
$unread = $tags[$tag];
$tag = htmlspecialchars($tag);
if (!$smart_mode || $old_counters[$tag] != $unread) {
$old_counters[$tag] = $unread;
$tctrs_modified = true;
print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
}
}
if ($smart_mode && $tctrs_modified) {
$_SESSION["tctr_last_value"] = $old_counters;
}
}
function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
if ($smart_mode) {
if (!$_SESSION["lctr_last_value"]) {
$_SESSION["lctr_last_value"] = array();
}
}
$old_counters = $_SESSION["lctr_last_value"];
$lctrs_modified = false;
$result = db_query($link, "SELECT count(id) as count FROM ttrss_entries,ttrss_user_entries
WHERE marked = true AND ttrss_user_entries.ref_id = ttrss_entries.id AND
unread = true AND owner_uid = ".$_SESSION["uid"]);
$count = db_fetch_result($result, 0, "count");
print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
$result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
while ($line = db_fetch_assoc($result)) {
$id = -$line["id"] - 11;
error_reporting (0);
$tmp_result = db_query($link, "SELECT count(id) as count FROM ttrss_user_entries,ttrss_entries
WHERE (" . $line["sql_exp"] . ") AND unread = true AND
ttrss_user_entries.ref_id = ttrss_entries.id AND
owner_uid = ".$_SESSION["uid"]);
$count = db_fetch_result($tmp_result, 0, "count");
if (!$smart_mode || $old_counters[$id] != $count) {
$old_counters[$id] = $count;
$lctrs_modified = true;
print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
}
error_reporting (DEFAULT_ERROR_LEVEL);
}
if ($smart_mode && $lctrs_modified) {
$_SESSION["lctr_last_value"] = $old_counters;
}
}
/* function getFeedCounter($link, $id) {
$result = db_query($link, "SELECT
count(id) as count,last_error
FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
WHERE feed_id = '$id' AND unread = true
AND ttrss_user_entries.feed_id = ttrss_feeds.id
AND ttrss_user_entries.ref_id = ttrss_entries.id");
$count = db_fetch_result($result, 0, "count");
$last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
} */
function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
if ($smart_mode) {
if (!$_SESSION["fctr_last_value"]) {
$_SESSION["fctr_last_value"] = array();
}
}
$old_counters = $_SESSION["fctr_last_value"];
$result = db_query($link, "SELECT id,last_error,parent_feed,
(SELECT count(id)
FROM ttrss_entries,ttrss_user_entries
WHERE feed_id = ttrss_feeds.id AND
ttrss_user_entries.ref_id = ttrss_entries.id
AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
AND parent_feed IS NULL");
$fctrs_modified = false;
while ($line = db_fetch_assoc($result)) {
$id = $line["id"];
$count = $line["count"];
$last_error = htmlspecialchars($line["last_error"]);
$has_img = is_file(ICONS_DIR . "/$id.ico");
$tmp_result = db_query($link,
"SELECT id,COUNT(unread) AS unread
FROM ttrss_feeds LEFT JOIN ttrss_user_entries
ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
if (db_num_rows($tmp_result) > 0) {
while ($l = db_fetch_assoc($tmp_result)) {
$count += $l["unread"];
}
}
if (!$smart_mode || $old_counters[$id] != $count) {
$old_counters[$id] = $count;
$fctrs_modified = true;
if ($last_error) {
$error_part = "error=\"$last_error\"";
} else {
$error_part = "";
}
if ($has_img) {
$has_img_part = "hi=\"$has_img\"";
} else {
$has_img_part = "";
}
print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part/>";
}
}
if ($smart_mode && $fctrs_modified) {
$_SESSION["fctr_last_value"] = $old_counters;
}
}
?>
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