function fetch_image($url)
{
if (function_exists('curl_init')) {
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_HEADER, 0);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
curl_setopt($c, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($c, CURLOPT_MAXREDIRS, 5);
curl_setopt($c, CURLOPT_TIMEOUT, 10);
$image_data = curl_exec($c);
$status = curl_getinfo($c, CURLINFO_HTTP_CODE);
$mime_type = curl_getinfo($c, CURLINFO_CONTENT_TYPE);
$image_size = curl_getinfo($c, CURLINFO_SIZE_DOWNLOAD);
curl_close($c);
}
// TODO: fallback for non-cURL-enabled servers
if (!in_array($status, array(200, 301, 302))) {
error('Invalid image.');
}
if ($image_size > MAX_IMAGE_SIZE) {
error('Image is too large.');
}
if (empty($mime_type) || !preg_match('/^image\\//', $mime_type)) {
error('Invalid image type.');
}
if (empty($image_data)) {
error('Invalid image content.');
}
$checksum = calculate_checksum($url);
cache_image($image_data, $mime_type, $checksum);
}
require_once ANGIE_PATH . '/classes/logger/init.php';
require_once ANGIE_PATH . '/classes/database/init.php';
require_once ANGIE_PATH . '/classes/cache/init.php';
$backup_name = array_var($_POST, 'backup', null);
$checksum = array_var($_POST, 'checksum', null);
if (!$backup_name || !$checksum) {
forbidden();
}
// if
define('BACKUP_PATH', WORK_PATH . '/backup');
$backup_dir = BACKUP_PATH . '/' . urldecode($backup_name);
if (!is_dir($backup_dir)) {
not_found();
}
// if
$calculated_checksum = calculate_checksum($backup_name);
if ($calculated_checksum != $checksum) {
forbidden();
}
// if
$database_dir = $backup_dir . '/database';
if (!db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME, true, DB_CHARSET)) {
die('Could not connect to database. Check activeCollab database settings');
}
// if
$database_file = $backup_dir . '/database.sql';
if (!is_file($database_file)) {
echo "<p>Could not restore backup. Database dump is missing</p>";
die;
}
// if
