ecommun / owncloud_ynh

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sources/3rdparty/sabre/dav/lib/Sabre/DAV/FSExt/File.php 3.33 KB
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  <?php
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  namespace Sabre\DAV\FSExt;
  use Sabre\DAV;
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  /**
   * File class
   *
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   * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
   * @author Evert Pot (http://evertpot.com/)
   * @license http://sabre.io/license/ Modified BSD License
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   */
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  class File extends Node implements DAV\PartialUpdate\IPatchSupport {
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      /**
       * Updates the data
       *
       * data is a readable stream resource.
       *
       * @param resource|string $data
       * @return string
       */
      public function put($data) {
  
          file_put_contents($this->path,$data);
          return '"' . md5_file($this->path) . '"';
  
      }
  
      /**
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       * Updates the file based on a range specification.
       *
       * The first argument is the data, which is either a readable stream
       * resource or a string.
       *
       * The second argument is the type of update we're doing.
       * This is either:
       * * 1. append
       * * 2. update based on a start byte
       * * 3. update based on an end byte
       *;
       * The third argument is the start or end byte.
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       *
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       * After a successful put operation, you may choose to return an ETag. The
       * etag must always be surrounded by double-quotes. These quotes must
       * appear in the actual string you're returning.
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       *
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       * Clients may use the ETag from a PUT request to later on make sure that
       * when they update the file, the contents haven't changed in the mean
       * time.
       *
       * @param resource|string $data
       * @param int $rangeType
       * @param int $offset
       * @return string|null
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       */
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      public function patch($data, $rangeType, $offset = null) {
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          switch($rangeType) {
              case 1 :
                  $f = fopen($this->path, 'a');
                  break;
              case 2 :
                  $f = fopen($this->path, 'c');
                  fseek($f,$offset);
                  break;
              case 3 :
                  $f = fopen($this->path, 'c');
                  fseek($f, $offset, SEEK_END);
                  break;
          }









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          if (is_string($data)) {
              fwrite($f, $data);
          } else {
              stream_copy_to_stream($data,$f);
          }
          fclose($f);
          return '"' . md5_file($this->path) . '"';
  
      }
  
      /**
       * Returns the data
       *
       * @return resource
       */
      public function get() {
  
          return fopen($this->path,'r');
  
      }
  
      /**
       * Delete the current file
       *
       * @return bool
       */
      public function delete() {
  
          unlink($this->path);
          return parent::delete();
  
      }
  
      /**
       * Returns the ETag for a file
       *
       * An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
       * The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
       *
       * Return null if the ETag can not effectively be determined
       *
       * @return string|null
       */
      public function getETag() {
  
          return '"' . md5_file($this->path). '"';
  
      }
  
      /**
       * Returns the mime-type for a file
       *
       * If null is returned, we'll assume application/octet-stream
       *
       * @return string|null
       */
      public function getContentType() {
  
          return null;
  
      }
  
      /**
       * Returns the size of the file, in bytes
       *
       * @return int
       */
      public function getSize() {
  
          return filesize($this->path);
  
      }
  
  }