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fix to the headers to improve the download funtion

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Llewellyn van der Merwe 2016-07-22 11:09:14 +01:00
parent 08b4167f75
commit 53ccd7abfc
1 changed files with 24 additions and 15 deletions
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39
site/controllers/download.php
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@ -11,7 +11,7 @@
/-------------------------------------------------------------------------------------------------------------------------------/
@version 1.3.4
@build 16th July, 2016
@build 17th July, 2016
@created 22nd October, 2015
@package Sermon Distributor
@subpackage download.php
@ -68,33 +68,42 @@ class SermondistributorControllerDownload extends JControllerLegacy
$link = rtrim($opener->decryptString(base64_decode($enUrl)));
$info = $this->getContentInfo($link);
// set headers
$app = JFactory::getApplication();
$app->setHeader('Content-Encoding', 'none', true);
$app->setHeader('Content-Transfer-Encoding', 'binary'. true);
$app->setHeader('Content-disposition', 'attachment; filename="'.$filename.'";', true);
if (isset($info['type']) && $info['type'])
{
header('Content-Type: '.$info['type']);
$app->setHeader('Content-Type', $info['type'], true);
}
elseif (strpos($filename, '.mp3') !== false)
{
header('Content-Type: audio/mpeg');
$app->setHeader('Content-Type', 'audio/mpeg', true);
}
else
{
header('Content-Type: application/octet-stream');
$app->setHeader('Content-Type', 'application/octet-stream', true);
}
header("Content-Transfer-Encoding: Binary");
header("Content-disposition: attachment; filename=\"" . $filename . "\"");
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
// important to have the file size.
if (isset($info['filesize']) && $info['filesize'])
{
header('Content-Length: ' . $info['filesize']);
$app->setHeader('Content-Length', (int) $info['filesize'], true);
$app->setHeader('Accept-ranges', 'bytes', true);
$app->setHeader('Content-ranges', 'bytes 0-'.(int) $info['filesize'], true);
}
ob_clean();
flush();
// this is faster but expose the dropbox url
// header("Location: $link");
// this is slower but better much more secure
$app->setHeader('Connection', 'keep-alive', true);
$app->setHeader('Content-security-policy', 'referrer no-referrer', true);
$app->setHeader('etag', md5($enUrl), true);
$app->setHeader('Pragma', 'public', true);
$app->setHeader('cache-control', 'max-age=0', true);
$app->setHeader('x-robots-tag', 'noindex, nofollow, noimageindex', true);
$app->setHeader('x-content-security-policy', 'referrer no-referrer', true);
$app->setHeader('x-webkit-csp', 'referrer no-referrer', true);
$app->setHeader('x-content-security-policy', 'referrer no-referrer', true);
// get the file
readfile($link);
$app->sendHeaders();
$app->close();
jexit();
}
}