/**
*
* @param File $file
* @return void
*/
public function sendFileToBrowser($file)
{
$path = $file->getFullPath();
if (SapphireTest::is_running_test()) {
return file_get_contents($path);
}
$basename = basename($path);
$length = $file->getAbsoluteSize();
$type = HTTP::get_mime_type($file->getRelativePath());
//handling time limitation
if ($threshold = $this->config()->bandwidth_threshold) {
increase_time_limit_to((int) ($length / $threshold));
} else {
increase_time_limit_to();
}
// send header
header('Content-Description: File Transfer');
/*
* allow inline 'save as' popup, double quotation is present to prevent browser (eg. Firefox) from handling
* wrongly a file with a name with whitespace, through a file in SilverStripe should not contain any whitespace
* if the file is uploaded through SS interface
* http://kb.mozillazine.org/Filenames_with_spaces_are_truncated_upon_download
*/
header('Content-Type: ' . $type);
header('Content-Disposition: inline; filename=' . $basename);
header('Content-Transfer-Encoding: binary');
header('Content-Length: ' . $length);
/**
* issue fixes for IE6,7,8 when downloading a file over HTTPS (http://support.microsoft.com/kb/812935)
* http://www.dotvoid.com/2009/10/problem-with-downloading-files-with-internet-explorer-over-https/
*/
if (Director::is_https()) {
header('Pragma: ');
}
header('Expires: 0');
header('Cache-Control: must-revalidate');
/**
* unload the php session file
* see http://konrness.com/php5/how-to-prevent-blocking-php-requests
*/
session_write_close();
// if output buffering is active, we clear it to prevent the script from trying to to allocate memory for entire file.
while (ob_get_level() > 0) {
ob_end_clean();
}
flush();
readfile($path);
exit(0);
}
function getRelativePath() {
return parent::getRelativePath() . "/";
}
/**
*
* COPIED CODE!!!!!
*
* This is copied from here:
* https://github.com/silverstripe-labs/silverstripe-secureassets/blob/master/code/SecureFileController.php
*
* @param File $file
*/
protected function sendFile($file)
{
$path = $file->getFullPath();
if (SapphireTest::is_running_test()) {
return file_get_contents($path);
}
header('Content-Description: File Transfer');
// Quotes needed to retain spaces (http://kb.mozillazine.org/Filenames_with_spaces_are_truncated_upon_download)
header('Content-Disposition: inline; filename="' . basename($path) . '"');
header('Content-Length: ' . $file->getAbsoluteSize());
header('Content-Type: ' . HTTP::get_mime_type($file->getRelativePath()));
header('Content-Transfer-Encoding: binary');
// Fixes IE6,7,8 file downloads over HTTPS bug (http://support.microsoft.com/kb/812935)
header('Pragma: ');
if ($this->config()->min_download_bandwidth) {
// Allow the download to last long enough to allow full download with min_download_bandwidth connection.
increase_time_limit_to((int) (filesize($path) / ($this->config()->min_download_bandwidth * 1024)));
} else {
// Remove the timelimit.
increase_time_limit_to(0);
}
// Clear PHP buffer, otherwise the script will try to allocate memory for entire file.
while (ob_get_level() > 0) {
ob_end_flush();
}
// Prevent blocking of the session file by PHP. Without this the user can't visit another page of the same
// website during download (see http://konrness.com/php5/how-to-prevent-blocking-php-requests/)
session_write_close();
readfile($path);
die;
}
