ttrss/xml-export.php

165 lines
3.3 KiB
PHP

<?
session_start();
define('MAX_SCHEMA_VERSION', 4);
require_once "config.php";
require_once "functions.php";
require_once "db.php";
if ($_GET["export"]) {
header("Content-Type: application/xml");
}
?>
<? if (!$_GET["export"]) { ?>
<html>
<head>
<title>XML Export</title>
<link rel="stylesheet" href="opml.css" type="text/css">
</head>
<body>
<h1><img src="images/ttrss_logo.png"></h1>
<div class="opmlBody">
<h2>XML Export</h2>
<form method="GET">
Limit to: <input type="checkbox" checked name="marked"> starred,
<input type="checkbox" name="unread"> unread.<br>
<p><input type="submit" class="button" name="export" value="Export"></p>
</form>
</div>
</body>
</html>
<? } else { ?>
<xmldb>
<?
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
if (!$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'");
}
$result = db_query($link, "SELECT schema_version FROM ttrss_version");
$schema_version = db_fetch_result($result, 0, "schema_version");
/* if ($schema_version != SCHEMA_VERSION) {
print "<error>Source database schema is invalid
(got version $schema_version; expected ".SCHEMA_VERSION.")</error>";
print "</xmldb>";
return;
} */
print "<schema_version>$schema_version</schema_version>";
if ($schema_version > 1) {
$owner_uid = $_SESSION["uid"];
print "<owner_uid>$owner_uid</owner_uid>";
}
print "<exported>" . time() . "</exported>";
?>
<?
if ($_GET["marked"]) {
$marked_qpart = "AND marked = true";
}
if ($_GET["unread"]) {
$unread_qpart = "AND unread = true";
}
if ($schema_version == 1) {
$result = db_query($link, "SELECT
ttrss_entries.title AS title,
content,
marked,
unread,
updated,
guid,
link,
SUBSTRING(date_entered,1,16) AS date_entered,
SUBSTRING(last_read,1,16) AS last_read,
comments,
ttrss_feeds.feed_url AS feed_url,
ttrss_feeds.title AS feed_title
FROM
ttrss_entries,ttrss_feeds
WHERE
feed_id = ttrss_feeds.id $marked_qpart $unread_qpart
ORDER BY ttrss_entries.id");
} else if ($schema_version >= 2 && $schema_version <= MAX_SCHEMA_VERSION) {
$result = db_query($link, "SELECT
ttrss_entries.title AS title,
content,
marked,
unread,
updated,
guid,
link,
SUBSTRING(date_entered,1,16) AS date_entered,
SUBSTRING(last_read,1,16) AS last_read,
comments,
ttrss_feeds.feed_url AS feed_url,
ttrss_feeds.title AS feed_title
FROM
ttrss_entries,ttrss_feeds,ttrss_user_entries
WHERE
ttrss_user_entries.owner_uid = '$owner_uid' AND
ref_id = ttrss_entries.id AND
feed_id = ttrss_feeds.id $marked_qpart $unread_qpart
ORDER BY ttrss_entries.id");
} else {
// BAD SCHEMA, NO COOKIE
print "<error>Source database schema is invalid
(got version $schema_version)</error>";
}
print "<total_articles>" . db_num_rows($result) . "</total_articles>";
?>
<articles>
<?
while ($line = db_fetch_assoc($result)) {
print "<article>";
foreach (array_keys($line) as $key) {
$line[$key] = str_replace("<![CDATA[", "", $line[$key]);
$line[$key] = str_replace("]]>", "", $line[$key]);
print "<$key><![CDATA[".$line[$key]."]]></$key>";
}
print "</article>";
}
?>
</articles>
</xmldb>
<? } ?>