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<?php |
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/** |
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* XCloner - Backup and Restore backup plugin for Wordpress |
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* |
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* class-xcloner-file-transfer.php |
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* @author Liuta Ovidiu <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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* @link https://github.com/ovidiul/XCloner-Wordpress |
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* |
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* @modified 7/25/18 1:46 PM |
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* |
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*/ |
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class Xcloner_File_Transfer extends Xcloner_File_System |
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{ |
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/** |
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* Target url web address of the restore script |
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* @var string |
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*/ |
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private $target_url; |
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/** |
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* Transfer data limit in bytes |
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* @var int |
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*/ |
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private $transfer_limit = 1048576; //bytes 1MB= 1048576 300KB = 358400 |
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/** |
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* @param $target_url |
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* |
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* @return mixed |
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*/ |
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public function set_target($target_url) |
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{ |
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return $this->target_url = $target_url; |
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} |
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/** |
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* @return string |
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*/ |
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public function get_target() |
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{ |
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return $this->target_url; |
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} |
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/** |
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* @param $file |
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* @param int $start |
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* @param string $hash |
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* |
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* @return bool|int |
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* @throws Exception |
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*/ |
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public function transfer_file($file, $start = 0, $hash = "") |
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{ |
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if (!$this->target_url) { |
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throw new Exception("Please setup a target url for upload"); |
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} |
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$fp = $this->get_storage_filesystem()->readStream($file); |
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fseek($fp, $start, SEEK_SET); |
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$binary_data = fread($fp, $this->transfer_limit); |
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$tmp_filename = "xcloner_upload_".substr(md5(time()), 0, 5); |
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$this->get_tmp_filesystem()->write($tmp_filename, $binary_data); |
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$tmp_file_path = $this->get_tmp_filesystem_adapter()->applyPathPrefix($tmp_filename); |
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$send_array = array(); |
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$send_array['file'] = $file; |
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$send_array['start'] = $start; |
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$send_array['xcloner_action'] = "write_file"; |
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$send_array['hash'] = $hash; |
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#$send_array['blob'] = $binary_data; |
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$send_array['blob'] = $this->curl_file_create($tmp_file_path, 'application/x-binary', $tmp_filename); |
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//$data = http_build_query($send_array); |
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$this->get_logger()->info(sprintf("Sending curl request to %s with %s data of file %s starting position %s using temporary file %s", |
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$this->target_url, $this->transfer_limit, $file, $start, $tmp_filename)); |
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$ch = curl_init(); |
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curl_setopt($ch, CURLOPT_URL, $this->target_url); |
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curl_setopt($ch, CURLOPT_POST, 1); |
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//curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); |
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//curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1); |
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60); |
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curl_setopt($ch, CURLOPT_TIMEOUT, 1200); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); |
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curl_setopt($ch, CURLOPT_POSTFIELDS, $send_array); |
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curl_setopt($ch, CURLOPT_VERBOSE, true); |
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$original_result = curl_exec($ch); |
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$this->get_tmp_filesystem()->delete($tmp_filename); |
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$result = json_decode($original_result); |
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if (!$result) { |
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throw new Exception("We have received no valid response from the remote host, original message: ".$original_result); |
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} |
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if ($result->status != 200) { |
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throw new Exception($result->response); |
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} |
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if (ftell($fp) >= $this->get_storage_filesystem()->getSize($file)) { |
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$this->get_logger()->info(sprintf("Upload done for file %s to target url %s, transferred a total of %s bytes", |
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$file, $this->target_url, ftell($fp))); |
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$this->remove_tmp_filesystem(); |
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return false; |
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} |
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return ftell($fp); |
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} |
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/** |
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* @param string $filename |
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* @param string $mimetype |
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* @param string $postname |
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* |
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* @return CURLFile|string |
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*/ |
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private function curl_file_create($filename, $mimetype = '', $postname = '') |
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{ |
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if (!function_exists('curl_file_create')) { |
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return "@$filename;filename=" |
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. ($postname ?: basename($filename)) |
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. ($mimetype ? ";type=$mimetype" : ''); |
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} else { |
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return curl_file_create($filename, $mimetype, $postname); |
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} |
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} |
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} |
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ovidiul /
XCloner-Wordpress
