/**
* Checks the db schema for the for all required tables, adds those which are missing.
* Returns the number of added tables;
*/
function checkSchema()
{
$missing_tables = array();
$actual_tables = array();
$expected_tables = getExpectedTables();
$rs = rss_query("show tables", true, true);
while (list($tbl) = rss_fetch_row($rs)) {
$actual_tables[] = $tbl;
}
foreach ($expected_tables as $base => $tbl) {
$exists = array_search($tbl, $actual_tables);
if ($exists === FALSE || $exists === NULL) {
$missing_tables[] = $base;
}
}
$updated = 0;
if (count($missing_tables) > 0) {
$msg = (count($actual_tables) ? "Updating" : "Creating") . ' your database schema! This should be a one-time operation,' . ' if you see this message over and over again please import your database schema' . ' manually.';
rss_error($msg, RSS_ERROR_WARNING);
foreach ($missing_tables as $table) {
$updated += call_user_func("_init_{$table}");
}
if ($updated == count($missing_tables)) {
rss_error(__("Successfully created {$updated} of {$updated} database tables!"), RSS_ERROR_NOTICE);
} else {
rss_error(count($missing_tables) - $updated . " out of " . count($missing_tables) . " tables could not be created!", RSS_ERROR_ERROR);
}
}
if ($updated) {
rss_invalidate_cache();
}
return $updated;
}
/**
* Performs all the feed-related admin actions
*/
function channel_admin()
{
// Fix for #16: Admin (et al.) should not rely on l10n labels for actions:
// Look for a meta-action first, which should be the (untranslated) *name* of
// the (translated) action constant.
// Fixme: should replace 'action's with a constant
if (array_key_exists(CST_ADMIN_METAACTION, $_REQUEST)) {
$__action__ = $_REQUEST[CST_ADMIN_METAACTION];
} elseif (array_key_exists('action', $_REQUEST)) {
$__action__ = $_REQUEST['action'];
} else {
$__action__ = "";
}
$ret__ = CST_ADMIN_DOMAIN_NONE;
switch ($__action__) {
case __('Add'):
case 'ACT_ADMIN_ADD':
case 'Add':
$label = trim(sanitize($_REQUEST['new_channel'], RSS_SANITIZER_URL));
$fid = trim(sanitize($_REQUEST['add_channel_to_folder'], RSS_SANITIZER_NUMERIC));
list($flabel) = rss_fetch_row(rss_query("select name from " . getTable('folders') . " where id={$fid}"));
// handle "feed:" urls
if (substr($label, 0, 5) == 'feed:') {
if (substr($label, 0, 11) == "feed://http") {
$label = substr($label, 5);
} else {
// handle feed://example.com/rss.xml urls
$label = "http:" . substr($label, 5);
}
}
if ($label != 'http://' && substr($label, 0, 4) == "http") {
$tags = @$_REQUEST['channel_tags'];
$ret = add_channel($label, $fid, null, null, $tags);
//var_dump($ret);
if (is_array($ret) && $ret[0] > -1) {
update($ret[0]);
rss_invalidate_cache();
// feedback
$newCid = $ret[0];
rss_error(sprintf(__('Adding %s to %s... '), htmlentities($label), "/{$flabel}") . __('OK') . " [<a href=\"" . getPath() . "admin/index.php?domain=" . CST_ADMIN_DOMAIN_CHANNEL . "&action=edit&cid={$newCid}\">" . __('edit') . "</a>]", RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
} elseif (is_array($ret) && $ret[0] > -2) {
// okay, something went wrong, maybe thats a html url after all?
// let's try and see if we can extract some feeds
$feeds = extractFeeds($label);
if (!is_array($feeds) || sizeof($feeds) == 0) {
rss_error($ret[1], RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
} else {
//one single feed in the html doc, add that
if (is_array($feeds) && sizeof($feeds) == 1 && array_key_exists('href', $feeds[0])) {
$ret = add_channel($feeds[0]['href'], $fid);
if (is_array($ret) && $ret[0] > -1) {
update($ret[0]);
rss_invalidate_cache();
// feedback
$newCid = $ret[0];
rss_error(sprintf(__('Adding %s to %s... '), htmlentities($label), "/{$flabel}") . __('OK') . " [<a href=\"" . getPath() . "admin/index.php?domain=" . CST_ADMIN_DOMAIN_CHANNEL . "&action=edit&cid={$newCid}\">" . __('edit') . "</a>]", RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
} else {
// failure
rss_error($ret[1], RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
}
} else {
// multiple feeds in the channel
echo "<form method=\"post\" action=\"" . $_SERVER['PHP_SELF'] . "\">\n" . "<p>" . sprintf(__('The following feeds were found in <a href="%s">%s</a>, which one would you like to subscribe?'), $label, $label) . "</p>\n";
$cnt = 0;
while (list($id, $feedarr) = each($feeds)) {
// we need an URL
if (!array_key_exists('href', $feedarr)) {
continue;
} else {
$href = $feedarr['href'];
}
if (array_key_exists('type', $feedarr)) {
$typeLbl = " [<a href=\"{$href}\">" . $feedarr['type'] . "</a>]";
}
$cnt++;
if (array_key_exists('title', $feedarr)) {
$lbl = $feedarr['title'];
} elseif (array_key_exists('type', $feedarr)) {
$lbl = $feedarr['type'];
$typeLbl = "";
} elseif (array_key_exists('href', $feedarr)) {
$lbl = $feedarr['href'];
} else {
$lbl = "Resource {$cnt}";
}
echo "<p>\n\t<input class=\"indent\" type=\"radio\" id=\"fd_{$cnt}\" name=\"new_channel\" " . " value=\"{$href}\" />\n" . "\t<label for=\"fd_{$cnt}\">{$lbl} {$typeLbl}</label>\n" . "</p>\n";
}
echo "<p><input type=\"hidden\" name=\"add_channel_to_folder\" value=\"{$fid}\" />\n" . "<input type=\"hidden\" name=\"" . CST_ADMIN_DOMAIN . "\" value=\"" . CST_ADMIN_DOMAIN_CHANNEL . "\" />\n" . "<input type=\"hidden\" name=\"" . CST_ADMIN_METAACTION . "\" value=\"ACT_ADMIN_ADD\" />\n" . "<input type=\"submit\" class=\"indent\" name=\"action\" value=\"" . __('Add') . "\" />\n" . "</p>\n</form>\n\n";
}
}
} elseif (is_array($ret)) {
rss_error($ret[1], RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
} else {
rss_error(sprintf(__("I'm sorry, I don't think I can handle this URL: '%s'"), $label), RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
}
} else {
rss_error(sprintf(__("I'm sorry, I don't think I can handle this URL: '%s'"), $label), RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
}
break;
case CST_ADMIN_EDIT_ACTION:
$id = sanitize($_REQUEST['cid'], RSS_SANITIZER_NUMERIC);
channel_edit_form($id);
break;
case CST_ADMIN_DELETE_ACTION:
$id = sanitize($_REQUEST['cid'], RSS_SANITIZER_NUMERIC);
if (array_key_exists(CST_ADMIN_CONFIRMED, $_POST) && $_POST[CST_ADMIN_CONFIRMED] == __('Yes')) {
$rs = rss_query("select distinct id from " . getTable("item") . " where cid={$id}");
$ids = array();
while (list($did) = rss_fetch_row($rs)) {
$ids[] = $did;
}
if (count($ids)) {
$sqldel = "delete from " . getTable('metatag') . " where fid in (" . implode(",", $ids) . ")";
rss_query($sqldel);
}
$sql = "delete from " . getTable("item") . " where cid={$id}";
rss_query($sql);
$sql = "delete from " . getTable("channels") . " where id={$id}";
rss_query($sql);
// Delete properties
deleteProperty($id, 'rss.input.allowupdates');
deleteProperty($id, 'rss.config.refreshinterval');
deleteProperty($id, 'rss.config.refreshdate');
// Invalidate cache
rss_invalidate_cache();
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
} elseif (array_key_exists(CST_ADMIN_CONFIRMED, $_REQUEST) && $_REQUEST[CST_ADMIN_CONFIRMED] == __('No')) {
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
} else {
list($cname) = rss_fetch_row(rss_query("select title from " . getTable("channels") . " where id = {$id}"));
echo "<form class=\"box\" method=\"post\" action=\"" . $_SERVER['PHP_SELF'] . "\">\n" . "<p class=\"error\">";
printf(__("Are you sure you wish to delete '%s'?"), $cname);
echo "</p>\n" . "<p><input type=\"submit\" name=\"" . CST_ADMIN_CONFIRMED . "\" value=\"" . __('No') . "\" />\n" . "<input type=\"submit\" name=\"" . CST_ADMIN_CONFIRMED . "\" value=\"" . __('Yes') . "\" />\n" . "<input type=\"hidden\" name=\"cid\" value=\"{$id}\" />\n" . "<input type=\"hidden\" name=\"" . CST_ADMIN_DOMAIN . "\" value=\"" . CST_ADMIN_DOMAIN_CHANNEL . "\" />\n" . "<input type=\"hidden\" name=\"action\" value=\"" . CST_ADMIN_DELETE_ACTION . "\" />\n" . "</p>\n</form>\n";
}
break;
case __('Import'):
case 'ACT_ADMIN_IMPORT':
if (array_key_exists('opml', $_POST) && strlen(trim($_POST['opml'])) > 7) {
$url = trim(sanitize($_POST['opml'], RSS_SANITIZER_NO_SPACES));
} elseif (array_key_exists('opmlfile', $_FILES) && $_FILES['opmlfile']['tmp_name']) {
if (is_uploaded_file($_FILES['opmlfile']['tmp_name'])) {
$url = $_FILES['opmlfile']['tmp_name'];
} else {
$url = '';
}
} else {
$url = '';
}
if (!$url) {
$ret__ = CST_ADMIN_DOMAIN_OPML;
break;
}
if (array_key_exists('opml_import_option', $_POST)) {
$import_opt = $_POST['opml_import_option'];
} else {
$import_opt = CST_ADMIN_OPML_IMPORT_MERGE;
}
if ($import_opt == CST_ADMIN_OPML_IMPORT_FOLDER) {
$opmlfid = sanitize($_POST['opml_import_to_folder'], RSS_SANITIZER_NUMERIC);
} else {
$opmlfid = getRootFolder();
}
@set_time_limit(0);
@ini_set('max_execution_time', 300);
// Parse into and OPML object
$opml = getOpml($url);
if (sizeof($opml) > 0) {
if ($import_opt == CST_ADMIN_OPML_IMPORT_WIPE) {
rss_query("delete from " . getTable("metatag"));
rss_query("delete from " . getTable("channels"));
rss_query("delete from " . getTable("item"));
rss_query("delete from " . getTable("folders") . " where id > 0");
}
if ($import_opt == CST_ADMIN_OPML_IMPORT_FOLDER) {
$fid = $opmlfid;
list($prev_folder) = rss_fetch_row(rss_query("select name from " . getTable('folders') . " where id= {$opmlfid} "));
} else {
$prev_folder = __('Root');
$fid = 0;
}
echo "<div class=\"frame\" style=\"background-color:#eee;font-size:small\"><ul>\n";
while (list($folder, $items) = each($opml)) {
if ($folder != $prev_folder && $import_opt != CST_ADMIN_OPML_IMPORT_FOLDER) {
$fid = create_folder(strip_tags($folder), false);
$prev_folder = strip_tags($folder);
}
for ($i = 0; $i < sizeof($opml[$folder]); $i++) {
$url_ = isset($opml[$folder][$i]['XMLURL']) ? trim($opml[$folder][$i]['XMLURL']) : null;
$title_ = isset($opml[$folder][$i]['TEXT']) ? trim($opml[$folder][$i]['TEXT']) : null;
// support for title attribute (optional)
$title_ = isset($opml[$folder][$i]['TITLE']) ? trim($opml[$folder][$i]['TITLE']) : $title_;
$descr_ = isset($opml[$folder][$i]['DESCRIPTION']) ? trim($opml[$folder][$i]['DESCRIPTION']) : null;
$cats_ = isset($opml[$folder][$i]['CATEGORY']) ? trim($opml[$folder][$i]['CATEGORY']) : "";
$t__ = strip_tags($title_);
$d__ = strip_tags($descr_);
$f__ = strip_tags($prev_folder);
$u__ = sanitize($url_, RSS_SANITIZER_URL);
$c__ = $cats_;
//preg_replace(ALLOWED_TAGS_REGEXP,' ',$cats_);
if ($u__) {
echo "<li><p>" . sprintf(__('Adding %s to %s... '), $t__, $f__);
flush();
list($retcde, $retmsg) = add_channel($u__, $fid, $t__, $d__);
if ($retcde && count($c__)) {
__exp__submitTag($retcde, utf8_encode($c__), "'channel'");
}
echo ($retcde < 0 ? $retmsg : " OK") . "</p></li>\n";
flush();
}
}
}
echo "</ul>\n<p><b>" . __('Updating') . "...</b></p>\n";
echo "</div>\n";
flush();
//update all the feeds
update("");
rss_invalidate_cache();
}
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
break;
case CST_ADMIN_SUBMIT_EDIT:
$cid = sanitize($_POST['cid'], RSS_SANITIZER_NUMERIC);
rss_plugin_hook('rss.plugins.admin.feed.properties.submit', null);
// TBD
$title = strip_tags(rss_real_escape_string(real_strip_slashes($_POST['c_name'])));
$url = rss_real_escape_string($_POST['c_url']);
$siteurl = rss_real_escape_string($_POST['c_siteurl']);
$parent = rss_real_escape_string($_POST['c_parent']);
$descr = strip_tags(rss_real_escape_string(real_strip_slashes($_POST['c_descr'])));
$icon = rss_real_escape_string($_POST['c_icon']);
$priv = array_key_exists('c_private', $_POST) && $_POST['c_private'] == '1';
$tags = rss_real_escape_string($_POST['c_tags']);
$old_priv = $_POST['old_priv'] == '1';
// Feed Properties
$prop_rss_input_allowupdates = rss_real_escape_string($_POST['prop_rss_input_allowupdates']);
if ($prop_rss_input_allowupdates == 'default') {
deleteProperty($cid, 'rss.input.allowupdates');
} else {
setProperty($cid, 'rss.input.allowupdates', 'feed', $prop_rss_input_allowupdates == 1);
}
deleteProperty($cid, 'rss.config.refreshinterval');
$rss_config_refreshinterval = rss_real_escape_string($_POST['rss_config_refreshinterval']);
if ($rss_config_refreshinterval > 60) {
setProperty($cid, 'rss.config.refreshinterval', 'feed', $rss_config_refreshinterval);
}
if ($priv != $old_priv) {
$mode = ", mode = mode ";
if ($priv) {
$mode .= " | " . RSS_MODE_PRIVATE_STATE;
rss_query('update ' . getTable('item') . " set unread = unread | " . RSS_MODE_PRIVATE_STATE . " where cid={$cid}");
} else {
$mode .= " & " . SET_MODE_PUBLIC_STATE;
rss_query('update ' . getTable('item') . " set unread = unread & " . SET_MODE_PUBLIC_STATE . " where cid={$cid}");
}
rss_invalidate_cache();
} else {
$mode = "";
}
$del = array_key_exists('c_deleted', $_POST) && $_POST['c_deleted'] == '1';
$old_del = $_POST['old_del'] == '1';
if ($del != $old_del) {
if ($mode == "") {
$mode = ", mode = mode ";
}
if ($del) {
$mode .= " | " . RSS_MODE_DELETED_STATE;
} else {
$mode .= " & " . SET_MODE_AVAILABLE_STATE;
}
}
if ($url == '' || substr($url, 0, 4) != "http") {
rss_error(sprintf(__("I'm sorry, I don't think I can handle this URL: '%s'"), $url), RSS_ERROR_ERROR, true);
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
break;
}
if ($icon && cacheFavicon($icon)) {
$icon = 'blob:' . $icon;
}
$sql = "update " . getTable("channels") . " set title='{$title}', url='{$url}', siteurl='{$siteurl}', " . " parent={$parent}, descr='{$descr}', icon='{$icon}', " . " daterefreshed = 1, etag = '' " . " {$mode} where id={$cid}";
rss_query($sql);
__exp__submitTag($cid, utf8_decode($tags), "'channel'");
rss_invalidate_cache();
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
break;
case CST_ADMIN_MOVE_UP_ACTION:
case CST_ADMIN_MOVE_DOWN_ACTION:
$id = sanitize($_REQUEST['cid'], RSS_SANITIZER_NUMERIC);
$res = rss_query("select parent,position from " . getTable("channels") . " where id={$id}");
list($parent, $position) = rss_fetch_row($res);
if ($_REQUEST['action'] == CST_ADMIN_MOVE_UP_ACTION) {
$res = rss_query("select id, position from " . getTable("channels") . " where parent={$parent} and id != {$id} and position<{$position} " . " order by abs({$position}-position) limit 1");
} else {
$res = rss_query("select id, position from " . getTable("channels") . " where parent={$parent} and id != {$id} and position>{$position} " . " order by abs({$position}-position) limit 1");
}
list($switch_with_id, $switch_with_position) = rss_fetch_row($res);
//If this is already the first or last item in a folder we won't get any results from the query above
if ($switch_with_position != "") {
// right, lets!
if ($switch_with_position != $position) {
rss_query("update " . getTable("channels") . " set position = {$switch_with_position} where id={$id}");
rss_query("update " . getTable("channels") . " set position = {$position} where id={$switch_with_id}");
rss_invalidate_cache();
}
}
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
break;
case CST_ADMIN_MULTIEDIT:
$ret__ = CST_ADMIN_DOMAIN_CHANNEL;
$ids = array();
foreach ($_REQUEST as $key => $val) {
if (preg_match('/^fcb([0-9]+)$/', $key, $match)) {
if (($id = (int) $_REQUEST[$key]) > 0) {
$ids[] = $id;
}
}
}
// no feed selected?
if (count($ids) == 0) {
break;
} else {
$sqlids = " (" . implode(',', $ids) . ")";
}
// MOVE TO FOLDER
if (array_key_exists('me_move_to_folder', $_REQUEST)) {
$fid = sanitize($_REQUEST['me_folder'], RSS_SANITIZER_NUMERIC);
$sql = "update " . getTable('channels') . " set parent={$fid} where id in {$sqlids}";
rss_query($sql);
/// STATE
} elseif (array_key_exists('me_state', $_REQUEST)) {
$deprecated = array_key_exists('me_deprecated', $_REQUEST) ? $_REQUEST['me_deprecated'] : false;
$private = array_key_exists('me_private', $_REQUEST) ? $_REQUEST['me_private'] : false;
if ($private) {
rss_query('update ' . getTable('channels') . " set mode = mode | " . RSS_MODE_PRIVATE_STATE . " where id in {$sqlids}");
rss_query('update ' . getTable('item') . " set unread = unread | " . RSS_MODE_PRIVATE_STATE . " where cid in {$sqlids}");
} else {
rss_query('update ' . getTable('channels') . " set mode = mode & " . SET_MODE_PUBLIC_STATE . " where id in {$sqlids}");
rss_query('update ' . getTable('item') . " set unread = unread & " . SET_MODE_PUBLIC_STATE . " where cid in {$sqlids}");
}
if ($deprecated) {
rss_query('update ' . getTable('channels') . " set mode = mode | " . RSS_MODE_DELETED_STATE . " where id in {$sqlids}");
} else {
rss_query('update ' . getTable('channels') . " set mode = mode & " . SET_MODE_AVAILABLE_STATE . " where id in {$sqlids}");
}
// DELETE
} elseif (array_key_exists('me_delete', $_REQUEST)) {
if (array_key_exists('me_do_delete', $_REQUEST) && $_REQUEST['me_do_delete'] == "1") {
$sql = "delete from " . getTable('channels') . " where id in {$sqlids}";
rss_query($sql);
}
} elseif (array_key_exists('me_set_categories', $_POST)) {
$tags = utf8_decode(trim(rss_real_escape_string($_POST['me_categories'])));
if ($tags) {
foreach ($ids as $id) {
__exp__submitTag($id, $tags, '"channel"');
}
}
}
rss_invalidate_cache();
break;
case 'dump':
// Make sure this is a POST
if (!isset($_POST['dumpact'])) {
die('Sorry, you can\'t access this via a GET');
}
$tbl = array('"', '"');
error_reporting(E_ALL);
rss_require('schema.php');
$tables = getExpectedTables();
unset($tables['cache']);
//$tables=array('channels','tag','config');
$bfr = '';
$bfr .= '<' . '?xml version="1.0" encoding="UTF-8"?' . '>' . "\n";
$bfr .= '<dump prefix="' . getTable('') . '" date="' . date('r') . '">' . "\n";
foreach ($tables as $table => $prefixed) {
$rs = rss_query("select * from {$prefixed}");
$bfr .= "<{$table}>\n";
while ($row = rss_fetch_assoc($rs)) {
$r = "<row ";
foreach ($row as $key => $val) {
$val = htmlspecialchars($val);
$r .= " {$key}=\"{$val}\" ";
}
$r .= "/>\n";
$bfr .= $r;
}
$bfr .= "</{$table}>\n";
}
$bfr .= '</dump>' . "\n";
$gzdata = gzencode($bfr, 9);
// Delete the output buffer. This is probably a bad thing to do, if the ob'ing is turned off.
// e.g. data was already sent to the brwoser.
while (@ob_end_clean()) {
}
// Send the dump to the browser:
header("Pragma: public");
// required
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Connection: close");
header("Content-Transfer-Encoding: binary");
header("Content-Length: " . strlen($gzdata));
header('Content-type: application/x-gzip');
header('Content-disposition: inline; filename="gregarius.dump.' . date('MjSY') . '.xml.gz"');
die($gzdata);
break;
default:
break;
}
return $ret__;
}