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Refactoring MediaView to fully use the response object

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Improved the way cache headers are sent for delivered files, now it is possible to set cache for files marked for download
This commit is contained in:
José Lorenzo Rodríguez 2010-10-03 19:34:37 -04:30
parent bf22928b6a
commit cf48ee7ed5
1 changed files with 33 additions and 38 deletions
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71
cake/libs/view/media.php
View file

@ -79,34 +79,37 @@ class MediaView extends View {
if ($handle === false) {
return false;
}
if (!empty($modified)) {
$modified = gmdate('D, d M Y H:i:s', strtotime($modified, time())) . ' GMT';
if (!empty($modified) && !is_numeric($modified)) {
$modified = strtotime($modified, time());
} else {
$modified = gmdate('D, d M Y H:i:s') . ' GMT';
$modified = time();
}
if ($cache) {
$this->response->cache($modified, $cache);
} else {
$this->response->header(array(
'Date' => gmdate('D, d M Y H:i:s', time()) . ' GMT',
'Expires' => '0',
'Cache-Control' => 'private, must-revalidate, post-check=0, pre-check=0',
'Pragma' => 'no-cache'
));
}
if ($download) {
$contentTypes = array('application/octet-stream');
$agent = env('HTTP_USER_AGENT');
if (preg_match('%Opera(/| )([0-9].[0-9]{1,2})%', $agent)) {
$contentTypes[0] = 'application/octetstream';
$contentType = 'application/octetstream';
} else if (preg_match('/MSIE ([0-9].[0-9]{1,2})/', $agent)) {
$contentTypes[0] = 'application/force-download';
array_merge($contentTypes, array(
'application/octet-stream',
'application/download'
));
$contentType = 'application/force-download';
}
foreach($contentTypes as $contentType) {
$this->_header('Content-Type: ' . $contentType);
if (!empty($contentType)) {
$this->response->type($contentType);
}
$this->_header(array(
'Content-Disposition: attachment; filename="' . $name . '.' . $extension . '";',
'Expires: 0',
'Accept-Ranges: bytes',
'Cache-Control: private' => false,
'Pragma: private'));
$this->response->download($name . '.' . $extension);
$this->response->header(array('Accept-Ranges' => 'bytes'));
$httpRange = env('HTTP_RANGE');
if (isset($httpRange)) {
@ -115,43 +118,35 @@ class MediaView extends View {
$size = $fileSize - 1;
$length = $fileSize - $range;
$this->_header(array(
'HTTP/1.1 206 Partial Content',
'Content-Length: ' . $length,
'Content-Range: bytes ' . $range . $size . '/' . $fileSize));
$this->response->header(array(
'Content-Length' => $length,
'Content-Range' => 'bytes ' . $range . $size . '/' . $fileSize
));
$this->response->statusCode(206);
fseek($handle, $range);
} else {
$this->_header('Content-Length: ' . $fileSize);
$this->response->header('Content-Length', $fileSize);
}
} else {
if ($cache) {
$this->response->cache(time(), $cache);
} else {
$this->response->header(array(
'Date' => gmdate('D, d M Y H:i:s', time()) . ' GMT',
'Cache-Control' => 'must-revalidate, post-check=0, pre-check=0',
'Pragma' => 'no-cache'
));
}
$this->response->type($extension);
$this->respose->header(array(
'Last-Modified' => $modified,
$this->response->header(array(
'Content-Length' => $fileSize
));
}
$this->response->send();
$this->_clearBuffer();
$this->_sendFile($handle);
return;
$this->response->send();
return $this->_sendFile($handle);
}
return false;
}
protected function _sendFile($handle) {
$chunkSize = 8192;
$buffer = '';
while (!feof($handle)) {
if (!$this->_isActive()) {
fclose($handle);