mirror of
https://github.com/YunoHost-Apps/phpbb_ynh.git
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120 lines
2.7 KiB
PHP
120 lines
2.7 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb;
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class file_downloader
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{
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/** @var string Error string */
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protected $error_string = '';
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/** @var int Error number */
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protected $error_number = 0;
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/**
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* Retrieve contents from remotely stored file
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*
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* @param string $host File host
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* @param string $directory Directory file is in
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* @param string $filename Filename of file to retrieve
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* @param int $port Port to connect to; default: 80
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* @param int $timeout Connection timeout in seconds; default: 6
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*
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* @return mixed File data as string if file can be read and there is no
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* timeout, false if there were errors or the connection timed out
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*
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* @throws \phpbb\exception\runtime_exception If data can't be retrieved and no error
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* message is returned
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*/
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public function get($host, $directory, $filename, $port = 80, $timeout = 6)
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{
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// Set default values for error variables
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$this->error_number = 0;
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$this->error_string = '';
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if ($socket = @fsockopen($host, $port, $this->error_number, $this->error_string, $timeout))
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{
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@fputs($socket, "GET $directory/$filename HTTP/1.0\r\n");
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@fputs($socket, "HOST: $host\r\n");
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@fputs($socket, "Connection: close\r\n\r\n");
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$timer_stop = time() + $timeout;
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stream_set_timeout($socket, $timeout);
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$file_info = '';
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$get_info = false;
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while (!@feof($socket))
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{
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if ($get_info)
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{
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$file_info .= @fread($socket, 1024);
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}
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else
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{
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$line = @fgets($socket, 1024);
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if ($line == "\r\n")
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{
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$get_info = true;
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}
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else if (stripos($line, '404 not found') !== false)
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{
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throw new \phpbb\exception\runtime_exception('FILE_NOT_FOUND', array($filename));
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}
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}
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$stream_meta_data = stream_get_meta_data($socket);
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if (!empty($stream_meta_data['timed_out']) || time() >= $timer_stop)
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{
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throw new \phpbb\exception\runtime_exception('FSOCK_TIMEOUT');
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}
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}
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@fclose($socket);
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}
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else
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{
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if ($this->error_string)
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{
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$this->error_string = utf8_convert_message($this->error_string);
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return false;
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}
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else
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{
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throw new \RuntimeException('FSOCK_DISABLED');
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}
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}
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return $file_info;
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}
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/**
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* Get error string
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*
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* @return string Error string
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*/
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public function get_error_string()
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{
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return $this->error_string;
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}
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/**
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* Get error number
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*
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* @return int Error number
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*/
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public function get_error_number()
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{
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return $this->error_number;
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}
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}
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