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