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tt-rss/backend.php

623 lines
16 KiB
PHP

<?php
error_reporting(E_ERROR | E_WARNING | E_PARSE);
/* remove ill effects of magic quotes */
if (get_magic_quotes_gpc()) {
$_GET = array_map('stripslashes', $_GET);
$_POST = array_map('stripslashes', $_POST);
$_REQUEST = array_map('stripslashes', $_REQUEST);
$_COOKIE = array_map('stripslashes', $_COOKIE);
}
require_once "sessions.php";
require_once "modules/backend-rpc.php";
/* if ($_GET["debug"]) {
define('DEFAULT_ERROR_LEVEL', E_ALL);
} else {
define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
}
error_reporting(DEFAULT_ERROR_LEVEL); */
require_once "sanity_check.php";
require_once "config.php";
require_once "db.php";
require_once "db-prefs.php";
require_once "functions.php";
no_cache_incantation();
if (ENABLE_TRANSLATIONS == true) {
startup_gettext();
}
$script_started = getmicrotime();
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
if (!$link) {
if (DB_TYPE == "mysql") {
print mysql_error();
}
// PG seems to display its own errors just fine by default.
return;
}
if (DB_TYPE == "pgsql") {
pg_query("set client_encoding = 'UTF-8'");
pg_set_client_encoding("UNICODE");
} else {
if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
db_query($link, "SET NAMES " . MYSQL_CHARSET);
// db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
}
}
$op = $_REQUEST["op"];
$print_exec_time = false;
if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
$op == "digestSend" || $op == "viewfeed" || $op == "publish" ||
$op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
header("Content-Type: application/xml; charset=utf-8");
if (ENABLE_GZIP_OUTPUT) {
ob_start("ob_gzhandler");
}
} else {
if (!$_REQUEST["noxml"]) {
header("Content-Type: text/html; charset=utf-8");
} else {
header("Content-Type: text/plain; charset=utf-8");
}
}
if (!$op) {
header("Content-Type: application/xml");
print_error_xml(7); exit;
}
if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
&& $op != "rss" && $op != "getUnread" && $op != "publish") {
if ($op == "rpc" || $op == "viewfeed" || $op == "view") {
print_error_xml(6); die;
} else {
print "
<html><body>
<p>Error: Not logged in.</p>
<script type=\"text/javascript\">
if (parent.window != 'undefined') {
parent.window.location = \"tt-rss.php\";
} else {
window.location = \"tt-rss.php\";
}
</script>
</body></html>
";
}
exit;
}
$purge_intervals = array(
0 => __("Use default"),
-1 => __("Never purge"),
5 => __("1 week old"),
14 => __("2 weeks old"),
31 => __("1 month old"),
60 => __("2 months old"),
90 => __("3 months old"));
$update_intervals = array(
0 => __("Use default"),
-1 => __("Disable updates"),
15 => __("Each 15 minutes"),
30 => __("Each 30 minutes"),
60 => __("Hourly"),
240 => __("Each 4 hours"),
720 => __("Each 12 hours"),
1440 => __("Daily"),
10080 => __("Weekly"));
$update_methods = array(
0 => __("Use default"),
1 => __("Magpie"),
2 => __("SimplePie"));
if (ENABLE_SIMPLEPIE) {
$update_methods[0] .= ' (SimplePie)';
} else {
$update_methods[0] .= ' (Magpie)';
}
$access_level_names = array(
0 => __("User"),
5 => __("Power User"),
10 => __("Administrator"));
require_once "modules/pref-prefs.php";
require_once "modules/popup-dialog.php";
require_once "modules/help.php";
require_once "modules/pref-feeds.php";
require_once "modules/pref-filters.php";
require_once "modules/pref-labels.php";
require_once "modules/pref-users.php";
require_once "modules/pref-feed-browser.php";
if (!sanity_check($link)) { return; }
switch($op) { // Select action according to $op value.
case "rpc":
// Handle remote procedure calls.
handle_rpc_request($link);
break; // rpc
case "feeds":
if (ENABLE_GZIP_OUTPUT) {
ob_start("ob_gzhandler");
}
$tags = $_GET["tags"];
$subop = $_GET["subop"];
switch($subop) {
case "catchupAll":
db_query($link, "UPDATE ttrss_user_entries SET
last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
break;
case "collapse":
$cat_id = db_escape_string($_GET["cid"]);
db_query($link, "UPDATE ttrss_feed_categories SET
collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
$_SESSION["uid"]);
return;
break;
}
outputFeedList($link, $tags);
break; // feeds
case "view":
$id = db_escape_string($_GET["id"]);
$feed_id = db_escape_string($_GET["feed"]);
$cids = split(",", db_escape_string($_GET["cids"]));
$mode = db_escape_string($_GET["mode"]);
$omode = db_escape_string($_GET["omode"]);
$csync = $_GET["csync"];
print "<reply>";
// in prefetch mode we only output requested cids, main article
// just gets marked as read (it already exists in client cache)
if ($mode == "") {
outputArticleXML($link, $id, $feed_id);
} else {
catchupArticleById($link, $id, 0);
}
if (!$_SESSION["bw_limit"]) {
foreach ($cids as $cid) {
if ($cid) {
outputArticleXML($link, $cid, $feed_id, false);
}
}
}
if ($mode == "prefetch" && $csync) {
print "<counters>";
getAllCounters($link, $omode);
print "</counters>";
}
print "</reply>";
break; // view
case "viewfeed":
$print_exec_time = true;
$timing_info = getmicrotime();
print "<reply>";
if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
$omode = db_escape_string($_GET["omode"]);
$feed = db_escape_string($_GET["feed"]);
$subop = db_escape_string($_GET["subop"]);
$view_mode = db_escape_string($_GET["view_mode"]);
$limit = db_escape_string($_GET["limit"]);
$cat_view = db_escape_string($_GET["cat"]);
$next_unread_feed = db_escape_string($_GET["nuf"]);
$offset = db_escape_string($_GET["skip"]);
$vgroup_last_feed = db_escape_string($_GET["vgrlf"]);
$csync = $_GET["csync"];
set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
if (!$cat_view && preg_match("/^[0-9][0-9]*$/", $feed)) {
db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()
WHERE id = '$feed' AND owner_uid = ".$_SESSION["uid"]);
}
print "<headlines id=\"$feed\"><![CDATA[";
if ($feed == -4) {
generate_dashboard_feed($link);
} else {
$ret = outputHeadlinesList($link, $feed, $subop,
$view_mode, $limit, $cat_view, $next_unread_feed, $offset,
$vgroup_last_feed);
$topmost_article_ids = $ret[0];
$headlines_count = $ret[1];
$returned_feed = $ret[2];
$disable_cache = $ret[3];
$vgroup_last_feed = $ret[4];
print "]]></headlines>";
print "<headlines-count value=\"$headlines_count\"/>";
print "<vgroup-last-feed value=\"$vgroup_last_feed\"/>";
$headlines_unread = getFeedUnread($link, $returned_feed);
print "<headlines-unread value=\"$headlines_unread\"/>";
printf("<disable-cache value=\"%d\"/>", $disable_cache);
if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE') && !$_SESSION["bw_limit"]) {
print "<articles>";
foreach ($topmost_article_ids as $id) {
outputArticleXML($link, $id, $feed, false);
}
print "</articles>";
}
}
if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
$viewfeed_ctr_interval = 300;
if ($csync || $_SESSION["bw_limit"]) {
$viewfeed_ctr_interval = 60;
}
if (time() - $_SESSION["get_all_counters_stamp"] > $viewfeed_ctr_interval) {
print "<counters>";
getAllCounters($link, $omode, $feed);
print "</counters>";
}
if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
print_runtime_info($link);
print "</reply>";
break; // viewfeed
case "pref-feeds":
module_pref_feeds($link);
break; // pref-feeds
case "pref-filters":
module_pref_filters($link);
break; // pref-filters
case "pref-labels":
module_pref_labels($link);
break; // pref-labels
case "pref-prefs":
module_pref_prefs($link);
break; // pref-prefs
case "pref-users":
module_pref_users($link);
break; // prefs-users
case "help":
module_help($link);
break; // help
case "dlg":
module_popup_dialog($link);
break; // dlg
case "pref-pub-items":
module_pref_pub_items($link);
break; // pref-pub-items
case "globalUpdateFeeds":
// update feeds of all users, may be used anonymously
print "<!--";
// Update all feeds needing a update.
update_daemon_common($link, 0, true, true);
print " -->";
// FIXME : old feed update way. To be removed.
//$result = db_query($link, "SELECT id FROM ttrss_users");
//while ($line = db_fetch_assoc($result)) {
// $user_id = $line["id"];
// print "<!-- updating feeds of uid $user_id -->";
// update_all_feeds($link, false, $user_id);
//}
print "<rpc-reply>
<message msg=\"All feeds updated\"/>
</rpc-reply>";
break; // globalUpdateFeeds
case "user-details":
if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
return;
}
/*
print "<html><head>
<title>Tiny Tiny RSS : User Details</title>
<link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
</head><body>";
*/
$uid = sprintf("%d", $_GET["id"]);
print "<div id=\"infoBoxTitle\">User details</div>";
print "<div class='infoBoxContents'>";
$result = db_query($link, "SELECT login,
".SUBSTRING_FOR_DATE."(last_login,1,16) AS last_login,
access_level,
(SELECT COUNT(int_id) FROM ttrss_user_entries
WHERE owner_uid = id) AS stored_articles,
".SUBSTRING_FOR_DATE."(created,1,16) AS created
FROM ttrss_users
WHERE id = '$uid'");
if (db_num_rows($result) == 0) {
print "<h1>User not found</h1>";
return;
}
// print "<h1>User Details</h1>";
$login = db_fetch_result($result, 0, "login");
// print "<h1>$login</h1>";
print "<table width='100%'>";
$last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
strtotime(db_fetch_result($result, 0, "last_login")));
$created = date(get_pref($link, 'LONG_DATE_FORMAT'),
strtotime(db_fetch_result($result, 0, "created")));
$access_level = db_fetch_result($result, 0, "access_level");
$stored_articles = db_fetch_result($result, 0, "stored_articles");
// print "<tr><td>Username</td><td>$login</td></tr>";
// print "<tr><td>Access level</td><td>$access_level</td></tr>";
print "<tr><td>".__('Registered')."</td><td>$created</td></tr>";
print "<tr><td>".__('Last logged in')."</td><td>$last_login</td></tr>";
print "<tr><td>".__('Stored articles')."</td><td>$stored_articles</td></tr>";
$result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
WHERE owner_uid = '$uid'");
$num_feeds = db_fetch_result($result, 0, "num_feeds");
print "<tr><td>".__('Subscribed feeds count')."</td><td>$num_feeds</td></tr>";
/*
$result = db_query($link, "SELECT
SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size
FROM ttrss_user_entries,ttrss_entries
WHERE owner_uid = '$uid' AND ref_id = id");
$db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";
*/
print "</table>";
print "<h1>".__('Subscribed feeds')."</h1>";
$result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
WHERE owner_uid = '$uid' ORDER BY title");
print "<ul class=\"userFeedList\">";
$row_class = "odd";
while ($line = db_fetch_assoc($result)) {
$icon_file = ICONS_URL."/".$line["id"].".ico";
if (file_exists($icon_file) && filesize($icon_file) > 0) {
$feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
} else {
$feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
}
print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
$row_class = toggleEvenOdd($row_class);
}
if (db_num_rows($result) < $num_feeds) {
// FIXME - add link to show ALL subscribed feeds here somewhere
print "<li><img
class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
}
print "</ul>";
print "</div>";
print "<div align='center'>
<input type='submit' class='button'
onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
// print "</body></html>";
break; // user-details
case "pref-feed-browser":
module_pref_feed_browser($link);
break; // pref-feed-browser
case "publish":
$key = db_escape_string($_GET["key"]);
$result = db_query($link, "SELECT login, owner_uid
FROM ttrss_user_prefs, ttrss_users WHERE
pref_name = '_PREFS_PUBLISH_KEY' AND
value = '$key' AND
ttrss_users.id = owner_uid");
if (db_num_rows($result) == 1) {
$owner = db_fetch_result($result, 0, "owner_uid");
$login = db_fetch_result($result, 0, "login");
generate_syndicated_feed($link, $owner, -2, false);
} else {
print "<error>User not found</error>";
}
break; // publish
case "rss":
$feed = db_escape_string($_GET["id"]);
$user = db_escape_string($_GET["user"]);
$pass = db_escape_string($_GET["pass"]);
$is_cat = $_GET["is_cat"] != false;
$search = db_escape_string($_GET["q"]);
$match_on = db_escape_string($_GET["m"]);
$search_mode = db_escape_string($_GET["smode"]);
if (!$_SESSION["uid"] && $user && $pass) {
authenticate_user($link, $user, $pass);
}
if ($_SESSION["uid"] ||
http_authenticate_user($link)) {
generate_syndicated_feed($link, 0, $feed, $is_cat,
$search, $search_mode, $match_on);
}
break; // rss
case "labelFromSearch":
$search = db_escape_string($_GET["search"]);
$search_mode = db_escape_string($_GET["smode"]);
$match_on = db_escape_string($_GET["match"]);
$is_cat = db_escape_string($_GET["is_cat"]);
$title = db_escape_string($_GET["title"]);
$feed = sprintf("%d", $_GET["feed"]);
$label_qparts = array();
$search_expr = getSearchSql($search, $match_on);
if ($is_cat) {
if ($feed != 0) {
$search_expr .= " AND ttrss_feeds.cat_id = $feed ";
} else {
$search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
}
} else {
if ($search_mode == "all_feeds") {
// NOOP
} else if ($search_mode == "this_cat") {
$tmp_result = db_query($link, "SELECT cat_id
FROM ttrss_feeds WHERE id = '$feed'");
$cat_id = db_fetch_result($tmp_result, 0, "cat_id");
if ($cat_id > 0) {
$search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
} else {
$search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
}
} else {
$search_expr .= " AND ttrss_feeds.id = $feed ";
}
}
$search_expr = db_escape_string($search_expr);
print $search_expr;
if ($title) {
$result = db_query($link,
"INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
}
break; // labelFromSearch
case "getUnread":
$login = db_escape_string($_GET["login"]);
header("Content-Type: text/plain; charset=utf-8");
$result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
if (db_num_rows($result) == 1) {
$uid = db_fetch_result($result, 0, "id");
print getGlobalUnread($link, $uid);
} else {
print "-1;User not found";
}
$print_exec_time = false;
break; // getUnread
case "digestTest":
header("Content-Type: text/plain");
print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
$print_exec_time = false;
break; // digestTest
case "digestSend":
header("Content-Type: text/plain");
send_headlines_digests($link);
$print_exec_time = false;
break; // digestSend
} // Select action according to $op value.
// We close the connection to database.
db_close($link);
?>
<?php if ($print_exec_time) { ?>
<!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
<?php } ?>