blessing-skin-server/app/Services/Utils.php
2016-12-14 22:11:40 +08:00

153 lines
4.1 KiB
PHP

<?php
namespace App\Services;
use Log;
use Storage;
use App\Exceptions\PrettyPageException;
class Utils
{
/**
* Rename uploaded file
*
* @param array $file files uploaded via HTTP POST
* @return string $hash sha256 hash of file
*/
public static function upload($file)
{
$path = 'tmp'.time();
$absolute_path = storage_path("textures/$path");
try {
if (false === move_uploaded_file($file['tmp_name'], $absolute_path)) {
throw new \Exception('Failed to remove uploaded files, please check the permission', 1);
}
} catch (\Exception $e) {
Log::warning("Failed to move uploaded file, $e");
} finally {
if (file_exists($absolute_path)) {
$hash = hash_file('sha256', $absolute_path);
if (!Storage::disk('textures')->has($hash)) {
Storage::disk('textures')->move($path, $hash);
} else {
// delete the temp file
unlink($absolute_path);
}
return $hash;
} else {
Log::warning("Failed to upload file $path");
}
}
}
public static function download($url, $path)
{
set_time_limit(0);
touch($path);
Log::info("[File Downloader] Download started, source: $url");
Log::info("[File Downloader] ======================================");
if ($fp = fopen($url, "rb")) {
if (!$download_fp = fopen($path, "wb")) {
return false;
}
while (!feof($fp)) {
if (!file_exists($path)) {
// cancel downloading if destination is no longer available
fclose($download_fp);
return false;
}
Log::info("[Download] 1024 bytes wrote");
fwrite($download_fp, fread($fp, 1024 * 8 ), 1024 * 8);
}
fclose($download_fp);
fclose($fp);
Log::info("[File Downloader] Finished downloading, data stored to: $path");
Log::info("[File Downloader] ===========================================");
return true;
} else {
return false;
}
}
public static function getRemoteFileSize($url)
{
$regex = '/^Content-Length: *+\K\d++$/im';
if (!$fp = @fopen($url, 'rb')) {
return false;
}
if (
isset($http_response_header) &&
preg_match($regex, implode("\n", $http_response_header), $matches)
) {
return (int)$matches[0];
}
return strlen(stream_get_contents($fp));
}
/**
* Generate random string
*
* @param int $length
* @param bool $special_chars
* @return string
*/
public static function generateRndString($length, $special_chars = true)
{
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
if ($special_chars) $chars .= "!@#$%^&*()-_ []{}<>~`+=,.;:/?|";
$rnd_string = '';
for ($i = 0; $i < $length; $i++) {
$rnd_string .= $chars[mt_rand(0, strlen($chars) - 1)];
}
return $rnd_string;
}
public static function getTimeFormatted($timestamp = 0)
{
return ($timestamp == 0) ? date('Y-m-d H:i:s') : date('Y-m-d H:i:s', $timestamp);
}
/**
* Replace content of string according to given rules
*
* @param string $str
* @param array $rules
* @return string
*/
public static function getStringReplaced($str, $rules)
{
foreach ($rules as $search => $replace) {
$str = str_replace($search, $replace, $str);
}
return $str;
}
public static function checkTextureDirectory()
{
if (!Storage::disk('storage')->has('textures')) {
// mkdir
if (!Storage::disk('storage')->makeDirectory('textures'))
throw new PrettyPageException(trans('setup.file.permission-error'), -1);
}
}
}