DownloadMessage::downloadMessageAsZipFile()

Complexity

Conditions	6
Paths	7

Size

Total Lines	66
Code Lines	34

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
	function downloadMessageAsZipFile()
	{
		if($this->store) {
			// Generate random ZIP file name at default temporary path of PHP
			$randomZipName = tempnam(sys_get_temp_dir(), 'zip');

			// Create an open zip archive.
			$zip = new ZipArchive();
			$result = $zip->open($randomZipName, ZipArchive::CREATE);

			if ($result === TRUE) {
				for($index = 0, $count = count($this->entryIds); $index < $count; $index++) {

					$this->message = mapi_msgstore_openentry($this->store, hex2bin($this->entryIds[$index]));

					// get message properties.
					$messageProps = mapi_getprops($this->message, array(PR_SUBJECT, PR_EC_IMAP_EMAIL, PR_MESSAGE_CLASS));

					$stream = $this->getEmlStream($messageProps);
					$stat = mapi_stream_stat($stream);

					// Get the stream
					$datastring = '';
					for($i = 0; $i < $stat['cb']; $i += BLOCK_SIZE) {

The constant BLOCK_SIZE was not found. Maybe you did not declare it correctly or list all dependencies?

						$datastring .=  mapi_stream_read($stream, BLOCK_SIZE);
						// Need to discard the buffer contents to prevent memory
						// exhaustion.
						ob_flush();
					}

					$filename = (!empty($messageProps[PR_SUBJECT])) ? $messageProps[PR_SUBJECT] : _('Untitled');
					$filename .= '.eml';

					$filename = $this->handleDuplicateFileNames($filename);
					// Remove slashes to prevent unwanted directories to be created in the zip file.
					$filename = str_replace('\\', '_', $filename);
					$filename = str_replace('/', '_', $filename);

					// Add file into zip by stream
					$zip->addFromString($filename, $datastring);
				}
			} else {
				$zip->close();
				// Remove the zip file to avoid unnecessary disk-space consumption
				unlink($randomZipName);

				// Throw exception if ZIP is not created successfully
				throw new ZarafaException(_("ZIP is not created successfully"));
			}

			$zip->close();

			// Set the headers
			header('Pragma: public');
			header('Expires: 0'); // set expiration time
			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
			header('Content-Disposition: attachment; filename="' . addslashes(browserDependingHTTPHeaderEncode(_("Messages").date(" d-m-Y").".zip")) . '"');
			header('Content-Transfer-Encoding: binary');
			header('Content-Type:  application/zip');
			header('Content-Length: ' . filesize($randomZipName));

			// Send the actual response as ZIP file
			readfile($randomZipName);

			// Remove the zip file to avoid unnecessary disk-space consumption
			unlink($randomZipName);
		}