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noginn/SendFile.php

Created Mar 6, 2009
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<?php
/**
* Sends a file for download
*
* @category Noginn
* @copyright Copyright (c) 2009 Tom Graham (http://www.noginn.com)
* @license http://www.opensource.org/licenses/mit-license.php
*/
class Noginn_Controller_Action_Helper_SendFile extends Zend_Controller_Action_Helper_Abstract
{
/**
* Proxy method for sendFile
*
* @param string $path Path to the file
* @param string $type The mime-type of the file
* @param string $filename The filename to send the file as, if null then use the base name of the path
* @param string $disposition Whether the file should be sent inline or as an attachment
* @param bool $useXSendfile Whether to use the X-Sendfile response header
* @return bool
*/
public function direct($path, $type, $filename = null, $disposition = 'attachment', $useXSendfile = false)
{
return $this->sendFile($path, $type, $filename, $disposition, $useXSendfile);
}
/**
* Send a file for download
*
* @param string $path Path to the file
* @param string $type The mime-type of the file
* @param string $filename The filename to send the file as, if null then use the base name of the path
* @param string $disposition Whether the file should be sent inline or as an attachment
* @param bool $useXSendfile Whether to use the X-Sendfile response header
* @return bool
*/
public function sendFile($path, $type, $filename = null, $disposition = 'attachment', $useXSendfile = false)
{
$response = $this->getResponse();
if (!is_readable($path) || !$response->canSendHeaders()) {
return false;
}
// Set the file name
if ($filename !== null) {
$filename = $filename;
} else {
$filename = basename($path);
}
// Set the content disposition (can only be attachment or inline)
if ($disposition != 'attachment') {
$disposition = 'inline';
}
$response->setHeader('Content-Type', $type, true);
$response->setHeader('Content-Disposition', $disposition . '; filename="' . $filename . '"', true);
// Do we want to use the X-Sendfile header or stream the file
if ($useXSendfile) {
$response->setHeader('X-Sendfile', $path);
$response->sendHeaders();
return true;
}
$response->setHeader('Content-Length', filesize($path), true);
$response->sendHeaders();
readfile($path);
return true;
}
/**
* Send file data as a download
*
* @param string $data The data to send
* @param string $type The mime-type of the file
* @param string $filename The filename to send the file as, if null then use the base name of the path
* @param string $disposition Whether the file should be sent inline or as an attachment
* @return bool
*/
public function sendData($data, $type, $filename, $disposition = 'attachment')
{
$response = $this->getResponse();
if (empty($data) || !$response->canSendHeaders()) {
return false;
}
// Set the content disposition (can only be attachment or inline)
if ($disposition != 'attachment') {
$disposition = 'inline';
}
$response->setHeader('Content-Type', $type, true);
$response->setHeader('Content-Disposition', $disposition . '; filename="' . $filename . '"', true);
$response->setHeader('Content-Length', strlen($data), true);
$response->sendHeaders();
echo $data;
return true;
}
}
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