File indexing completed on 2024-05-12 06:02:40

 <?php
 
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage Gdata
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
 *  @see Zend_Gdata_MimeFile
 */
 // require_once 'Zend/Gdata/MimeFile.php';
 
 /**
 * @see Zend_Gdata_MimeBodyString
 */
 // require_once 'Zend/Gdata/MimeBodyString.php';
 
 
 /**
  * A streaming Media MIME class that allows for buffered read operations.
  *
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage Gdata
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Gdata_MediaMimeStream
 {
 
     /**
      * A valid MIME boundary.
      *
      * @var string
      */
     protected $_boundaryString = null;
 
     /**
      * A handle to the file that is part of the message.
      *
      * @var resource
      */
     protected $_fileHandle = null;
 
     /**
      * The current part being read from.
      * @var integer
      */
     protected $_currentPart = 0;
 
     /**
      * The size of the MIME message.
      * @var integer
      */
     protected $_totalSize = 0;
 
     /**
      * An array of all the parts to be sent. Array members are either a
      * MimeFile or a MimeBodyString object.
      * @var array
      */
     protected $_parts = null;
 
     /**
      * Create a new MimeMediaStream object.
      *
      * @param string $xmlString The string corresponding to the XML section
      *               of the message, typically an atom entry or feed.
      * @param string $filePath The path to the file that constitutes the binary
      *               part of the message.
      * @param string $fileContentType The valid internet media type of the file.
      * @throws Zend_Gdata_App_IOException If the file cannot be read or does
      *         not exist. Also if mbstring.func_overload has been set > 1.
      */
     public function __construct($xmlString = null, $filePath = null,
         $fileContentType = null)
     {
         if (!file_exists($filePath) || !is_readable($filePath)) {
             // require_once 'Zend/Gdata/App/IOException.php';
             throw new Zend_Gdata_App_IOException('File to be uploaded at ' .
                 $filePath . ' does not exist or is not readable.');
         }
 
         $this->_fileHandle = fopen($filePath, 'rb', TRUE);
         $this->_boundaryString = '=_' . md5(microtime(1) . rand(1,20));
         $entry = $this->wrapEntry($xmlString, $fileContentType);
         $closingBoundary = new Zend_Gdata_MimeBodyString("\r\n--{$this->_boundaryString}--\r\n");
         $file = new Zend_Gdata_MimeFile($this->_fileHandle);
         $this->_parts = array($entry, $file, $closingBoundary);
 
         $fileSize = filesize($filePath);
         $this->_totalSize = $entry->getSize() + $fileSize
           + $closingBoundary->getSize();
 
     }
 
     /**
      * Sandwiches the entry body into a MIME message
      *
      * @return void
      */
     private function wrapEntry($entry, $fileMimeType)
     {
         $wrappedEntry = "--{$this->_boundaryString}\r\n";
         $wrappedEntry .= "Content-Type: application/atom+xml\r\n\r\n";
         $wrappedEntry .= $entry;
         $wrappedEntry .= "\r\n--{$this->_boundaryString}\r\n";
         $wrappedEntry .= "Content-Type: $fileMimeType\r\n\r\n";
         return new Zend_Gdata_MimeBodyString($wrappedEntry);
     }
 
     /**
      * Read a specific chunk of the the MIME multipart message.
      *
      * @param integer $bufferSize The size of the chunk that is to be read,
      *                            must be lower than MAX_BUFFER_SIZE.
      * @return string A corresponding piece of the message. This could be
      *                binary or regular text.
      */
     public function read($bytesRequested)
     {
         if($this->_currentPart >= count($this->_parts)) {
           return FALSE;
         }
 
         $activePart = $this->_parts[$this->_currentPart];
         $buffer = $activePart->read($bytesRequested);
 
         while(strlen($buffer) < $bytesRequested) {
           $this->_currentPart += 1;
           $nextBuffer = $this->read($bytesRequested - strlen($buffer));
           if($nextBuffer === FALSE) {
             break;
           }
           $buffer .= $nextBuffer;
         }
 
         return $buffer;
     }
 
     /**
      * Return the total size of the mime message.
      *
      * @return integer Total size of the message to be sent.
      */
     public function getTotalSize()
     {
         return $this->_totalSize;
     }
 
     /**
      * Close the internal file that we are streaming to the socket.
      *
      * @return void
      */
     public function closeFileHandle()
     {
         if ($this->_fileHandle !== null) {
             fclose($this->_fileHandle);
         }
     }
 
     /**
      * Return a Content-type header that includes the current boundary string.
      *
      * @return string A valid HTTP Content-Type header.
      */
     public function getContentType()
     {
         return 'multipart/related;boundary="' .
             $this->_boundaryString . '"' . "\r\n";
     }
 
 }