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Improve filename encoding for modern browsers that support RFC 5987

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This commit is contained in:
Kijin Sung 2015-07-14 17:23:27 +09:00
parent bd922c8aae
commit 0dc114b5b2
1 changed files with 17 additions and 4 deletions
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21
modules/file/file.controller.php
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@ -346,11 +346,24 @@ class fileController extends file
unset($_SESSION[$session_key][$file_srl]);
// Encode the filename for browsers that don't support RFC2231/5987
if(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE || (strpos($_SERVER['HTTP_USER_AGENT'], 'Windows') !== FALSE && strpos($_SERVER['HTTP_USER_AGENT'], 'Trident') !== FALSE && strpos($_SERVER['HTTP_USER_AGENT'], 'rv:') !== FALSE))
// Filename encoding for browsers that support RFC 5987
if(preg_match('#(?:Chrome|Edge)/(\d+)\.#', $_SERVER['HTTP_USER_AGENT'], $matches) && $matches[1] >= 11)
{
$filename_param = "filename*=UTF-8''" . rawurlencode($filename) . '; filename="' . rawurlencode($filename) . '"';
}
elseif(preg_match('#(?:Firefox|Safari|Trident)/(\d+)\.#', $_SERVER['HTTP_USER_AGENT'], $matches) && $matches[1] >= 6)
{
$filename_param = "filename*=UTF-8''" . rawurlencode($filename) . '; filename="' . rawurlencode($filename) . '"';
}
// Filename encoding for browsers that do not support RFC 5987
elseif(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE)
{
$filename = rawurlencode($filename);
$filename = preg_replace('/\./', '%2e', $filename, substr_count($filename, '.') - 1);
$filename_param = 'filename="' . preg_replace('/\./', '%2e', $filename, substr_count($filename, '.') - 1) . '"';
}
else
{
$filename_param = 'filename="' . $filename . '"';
}
// Close context to prevent blocking the session
@ -394,7 +407,7 @@ class fileController extends file
header("Content-Type: application/octet-stream");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Content-Disposition: attachment; ' . $filename_param);
header('Content-Transfer-Encoding: binary');
header('Content-Length: ' . $range_length);
header('Accept-Ranges: bytes');