/**
* Uploads gzipped file
*
* @param string $local_path
* @param string $remote_path
* @param bool $force_rewrite
* @return array
*/
function _upload_gzip($local_path, $remote_path, $force_rewrite = false)
{
if (!function_exists('gzencode')) {
return $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, "GZIP library doesn't exists.");
}
if (!file_exists($local_path)) {
return $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Source file not found.');
}
$contents = @file_get_contents($local_path);
if ($contents === false) {
return $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Unable to read file.');
}
$data = gzencode($contents);
$md5 = md5($data);
$content_md5 = $this->_get_content_md5($md5);
if (!$force_rewrite) {
try {
$properties = $this->_client->getBlobProperties($this->_config['container'], $remote_path);
$size = @filesize($local_path);
if ($size === (int) $properties->Size && $content_md5 === $properties->ContentMd5) {
return $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_OK, 'File up-to-date.');
}
} catch (Exception $exception) {
}
}
$headers = $this->_get_headers($local_path);
$headers = array_merge($headers, array('Content-MD5' => $content_md5, 'Content-Encoding' => 'gzip'));
try {
$this->_client->putBlobData($this->_config['container'], $remote_path, $data, array(), null, $headers);
} catch (Exception $exception) {
return $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, sprintf('Unable to put blob (%s).', $exception->getMessage()));
}
return $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_OK, 'OK');
}