diff options
Diffstat (limited to 'lib/private/response.php')
| -rw-r--r-- | lib/private/response.php | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/private/response.php b/lib/private/response.php index caa382af776..f8173117c4d 100644 --- a/lib/private/response.php +++ b/lib/private/response.php @@ -171,6 +171,27 @@ class OC_Response { } /** + * Sets the content length header (with possible workarounds) + * @param string|int|float $length Length to be sent + */ + static public function setContentLengthHeader($length) { + if (PHP_INT_SIZE === 4) { + if ($length > PHP_INT_MAX && stripos(PHP_SAPI, 'apache') === 0) { + // Apache PHP SAPI casts Content-Length headers to PHP integers. + // This enforces a limit of PHP_INT_MAX (2147483647 on 32-bit + // platforms). So, if the length is greater than PHP_INT_MAX, + // we just do not send a Content-Length header to prevent + // bodies from being received incompletely. + return; + } + // Convert signed integer or float to unsigned base-10 string. + $lfh = new \OC\LargeFileHelper; + $length = $lfh->formatUnsignedInteger($length); + } + header('Content-Length: '.$length); + } + + /** * Send file as response, checking and setting caching headers * @param string $filepath of file to send */ @@ -180,7 +201,7 @@ class OC_Response { self::setLastModifiedHeader(filemtime($filepath)); self::setETagHeader(md5_file($filepath)); - header('Content-Length: '.filesize($filepath)); + self::setContentLengthHeader(filesize($filepath)); fpassthru($fp); } else { |