fetchBlob

public function fetchBlob(){
        $fname=$_REQUEST[0];
        $dir=$_REQUEST[1];
        unset($dir[array_search("root",$dir)]);
        define("TEMP_DIR","/var/www/lifecycle/htdocs/downloadTmp/");
        $uname = $this->user['Data']['username'];
        if($fname=="default"){
            return json_encode(".default.pdf");
        }
        else if(empty($dir)){
            $source=stream_get_contents($this->azure->downloadBlob($uname,$fname)->getContentStream());
            file_put_contents(TEMP_DIR.$fname, $source);
            return json_encode($fname);
        }
        else{
            $fname=implode("!||!",$dir)."!||!".$fname;
            $source=stream_get_contents($this->azure->downloadBlob($uname,$fname,"encode:false")->getContentStream());
            file_put_contents(TEMP_DIR.$fname, $source);
            return json_encode($fname);
        }

        return json_encode(".default.pdf");
    }