ttrss/backend.php

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<?php
error_reporting(E_ERROR | E_WARNING | E_PARSE);
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require_once "sessions.php";
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require_once "modules/backend-rpc.php";
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/* if ($_GET["debug"]) {
define('DEFAULT_ERROR_LEVEL', E_ALL);
} else {
define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
}
error_reporting(DEFAULT_ERROR_LEVEL); */
require_once "sanity_check.php";
require_once "config.php";
require_once "db.php";
require_once "db-prefs.php";
require_once "functions.php";
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no_cache_incantation();
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startup_gettext();
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$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");
}
$op = $_REQUEST["op"];
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$print_exec_time = false;
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if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
$op == "digestSend" || $op == "viewfeed" ||
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$op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
header("Content-Type: application/xml; charset=utf-8");
} else {
header("Content-Type: text/html; charset=utf-8");
}
if (!$op) {
header("Content-Type: application/xml");
print_error_xml(7); exit;
}
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if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
&& $op != "rss" && $op != "getUnread") {
if ($op == "rpc") {
print_error_xml(6); die;
} else {
print "
<html><body>
<p>Error: Not logged in.</p>
<script type=\"text/javascript\">
if (parent.window != 'undefined') {
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parent.window.location = \"tt-rss.php\";
} else {
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window.location = \"tt-rss.php\";
}
</script>
</body></html>
";
}
exit;
}
$purge_intervals = array(
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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"));
$update_intervals = array(
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0 => __("Use default"),
-1 => __("Disable updates"),
30 => __("Each 30 minutes"),
60 => __("Hourly"),
240 => __("Each 4 hours"),
720 => __("Each 12 hours"),
1440 => __("Daily"),
10080 => __("Weekly"));
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$access_level_names = array(
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0 => __("User"),
10 => __("Administrator"));
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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";
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require_once "modules/pref-feed-browser.php";
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if (!sanity_check($link)) { return; }
if ($op == "rpc") {
handle_rpc_request($link);
}
if ($op == "feeds") {
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$tags = $_GET["tags"];
$subop = $_GET["subop"];
if ($subop == "catchupAll") {
db_query($link, "UPDATE ttrss_user_entries SET
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last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
}
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if ($subop == "collapse") {
$cat_id = db_escape_string($_GET["cid"]);
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db_query($link, "UPDATE ttrss_feed_categories SET
collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
$_SESSION["uid"]);
return;
}
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outputFeedList($link, $tags);
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}
if ($op == "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"]);
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$omode = db_escape_string($_GET["omode"]);
print "<reply>";
// in prefetch mode we only output requested cids, main article
// just gets marked as read (it already exists in client cache)
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if ($mode == "") {
outputArticleXML($link, $id, $feed_id);
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} else if ($mode == "prefetch") {
catchupArticleById($link, $id, 0);
}
foreach ($cids as $cid) {
if ($cid) {
outputArticleXML($link, $cid, $feed_id, false);
}
}
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if ($mode != "prefetch_old") {
print "<counters>";
getAllCounters($link, $omode);
print "</counters>";
}
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print "</reply>";
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}
if ($op == "viewfeed") {
print "<reply>";
$omode = db_escape_string($_GET["omode"]);
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$feed = db_escape_string($_GET["feed"]);
$subop = db_escape_string($_GET["subop"]);
$view_mode = db_escape_string($_GET["view_mode"]);
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$limit = db_escape_string($_GET["limit"]);
$cat_view = db_escape_string($_GET["cat"]);
$next_unread_feed = db_escape_string($_GET["nuf"]);
$offset = db_escape_string($_GET["skip"]);
set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
print "<headlines id=\"$feed\"><![CDATA[";
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outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
$next_unread_feed, $offset);
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print "]]></headlines>";
print "<counters>";
getAllCounters($link, $omode);
print "</counters>";
print "</reply>";
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}
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if ($op == "pref-feeds") {
module_pref_feeds($link);
}
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if ($op == "pref-filters") {
module_pref_filters($link);
}
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if ($op == "pref-labels") {
module_pref_labels($link);
}
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if ($op == "pref-prefs") {
module_pref_prefs($link);
}
if ($op == "pref-users") {
module_pref_users($link);
}
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if ($op == "help") {
module_help($link);
}
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if ($op == "dlg") {
module_popup_dialog($link);
}
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// update feeds of all users, may be used anonymously
if ($op == "globalUpdateFeeds") {
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$result = db_query($link, "SELECT id FROM ttrss_users");
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while ($line = db_fetch_assoc($result)) {
$user_id = $line["id"];
// print "<!-- updating feeds of uid $user_id -->";
update_all_feeds($link, false, $user_id);
}
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print "<rpc-reply>
<message msg=\"All feeds updated\"/>
</rpc-reply>";
}
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if ($op == "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", $_GET["id"]);
print "<div id=\"infoBoxTitle\">User details</div>";
print "<div class='infoBoxContents'>";
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$result = db_query($link, "SELECT login,
SUBSTRING(last_login,1,16) AS last_login,
access_level,
(SELECT COUNT(int_id) FROM ttrss_user_entries
WHERE owner_uid = id) AS stored_articles
FROM ttrss_users
WHERE id = '$uid'");
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if (db_num_rows($result) == 0) {
print "<h1>User not found</h1>";
return;
}
# print "<h1>User Details</h1>";
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$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")));
$access_level = db_fetch_result($result, 0, "access_level");
$stored_articles = db_fetch_result($result, 0, "stored_articles");
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# print "<tr><td>Username</td><td>$login</td></tr>";
# print "<tr><td>Access level</td><td>$access_level</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>";
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$result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
WHERE owner_uid = '$uid'");
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$num_feeds = db_fetch_result($result, 0, "num_feeds");
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print "<tr><td>Subscribed feeds count</td><td>$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) < $num_feeds) {
// FIXME - add link to show ALL subscribed feeds here somewhere
print "<li><img
class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
}
print "</ul>";
print "</div>";
print "<div align='center'>
<input type='submit' class='button'
onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
// print "</body></html>";
}
if ($op == "pref-feed-browser") {
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module_pref_feed_browser($link);
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}
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if ($op == "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"]);
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if (!$_SESSION["uid"] && $user && $pass) {
authenticate_user($link, $user, $pass);
}
if ($_SESSION["uid"] ||
http_authenticate_user($link)) {
generate_syndicated_feed($link, $feed, $is_cat,
$search, $search_mode, $match_on);
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}
}
if ($op == "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', '".$_SESSION["uid"]."')");
}
}
if ($op == "getUnread") {
$login = db_escape_string($_GET["login"]);
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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, $uid);
} else {
print "-1;User not found";
}
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$print_exec_time = false;
}
if ($op == "digestTest") {
header("Content-Type: text/plain");
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print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
$print_exec_time = false;
}
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if ($op == "digestSend") {
header("Content-Type: text/plain");
send_headlines_digests($link);
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$print_exec_time = false;
}
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db_close($link);
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?>
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<?php if ($print_exec_time) { ?>
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<!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
<?php } ?>