function deleteModule($moddir)
{
$deldir = getRelModPath() . "/" . $moddir;
# XXX standardize and refactor all the error handling in this module
if (preg_match("/[^\\w\\-\\.]/", $moddir)) {
log_error("deleteModule: Invalid Module Name");
header("HTTP/1.1 500 Internal Server Error");
header("Content-Type: application/json");
echo "{ \"error\" : \"deleteModule: Invalid Module Name\", \"moddir\" : \"{$moddir}\" }\n";
exit;
}
# brutally dangerous? how to improve?
exec("rm -rf '{$deldir}' 2>&1", $output, $rval);
if ($rval == 0) {
# restart kiwix so it sees what modules are visible/hidden
kiwix_restart();
header("HTTP/1.1 200 OK");
header("Content-Type: application/json");
echo "{ \"moddir\" : \"{$moddir}\" }\n";
} else {
$output = implode(", ", $output);
header("HTTP/1.1 500 Internal Server Error");
header("Content-Type: application/json");
echo "{ \"error\" : \"{$output}\", \"moddir\" : \"{$moddir}\" }\n";
}
exit;
}
if (EXTRA_LOGGING) {
error_Log("all done.");
}
# check for the next task
$next = $db->querySingle("\n SELECT task_id, moddir, command\n FROM tasks\n WHERE pid IS NULL\n AND dismissed IS NULL\n ORDER BY task_id LIMIT 1\n ", true);
$db_started = $db->escapeString(time());
if ($next) {
if (EXTRA_LOGGING) {
error_Log("New task found, rsyncing {$next['moddir']}...");
}
$db_task_id = $next['task_id'];
$cmd = $next['command'];
$moddir = $next['moddir'];
$db->exec("\n UPDATE tasks\n SET started = '{$db_started}',\n files_done = '0',\n data_done = '0',\n data_rate = ''\n WHERE task_id = '{$db_task_id}'\n ");
} else {
if (EXTRA_LOGGING) {
error_Log("No more tasks, exiting...");
}
# no more tasks -- yay
break;
}
}
# restart kiwix so it sees what modules are visible/hidden
# -- we could do this after each module but it seems a bit
# much... let's try doing it after installs/updates are complete
# and see if anyone complains
kiwix_restart();
if (EXTRA_LOGGING) {
error_Log("Goodbye.");
}
exit(0);
function updatemods()
{
# if we don't turn off visible errors, even caught db
# exceptions will print to the browser (as a "200 OK"),
# breaking our ability to signal failure
ini_set('display_errors', '0');
$position = 1;
try {
$db = getdb();
if (!$db) {
throw new Exception($db->lastErrorMsg);
}
# figure out which modules to hide
$hidden = array();
if (isset($_GET['hidden'])) {
foreach (explode(",", $_GET['hidden']) as $moddir) {
$hidden[$moddir] = 1;
}
}
$db->exec("BEGIN");
# go to the DB and set the new order and new hidden state
foreach (explode(",", $_GET['moddirs']) as $moddir) {
$moddir = $db->escapeString($moddir);
if (isset($hidden[$moddir])) {
$is_hidden = 1;
} else {
$is_hidden = 0;
}
$rv = $db->exec("UPDATE modules SET position = '{$position}', hidden = '{$is_hidden}'" . " WHERE moddir = '{$moddir}'");
if (!$rv) {
throw new Exception($db->lastErrorMsg());
}
++$position;
}
} catch (Exception $ex) {
$db->exec("ROLLBACK");
error_log($ex);
header("HTTP/1.1 500 Internal Server Error");
exit;
}
$db->exec("COMMIT");
# restart kiwix so it sees what modules are visible/hidden
kiwix_restart();
header("HTTP/1.1 200 OK");
}
