How to base64 encode a file and upload to PHP using windows phone?

Question

I just want to upload a .dat file from a windows phone to a php script.

This is my code, but doesn't work. Can anyone see a reason why?

C#:

string fileBase64 = "UklGRt4lAABXQVZFZm10IBAAAAABAAEARKw...";

HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://...mysite.../upload.php");
request.Method = "POST";
request.ContentType = "application/octet-stream";

string postData = String.Format("file={0}", fileBase64);   

// Getting the request stream.
request.BeginGetRequestStream
    (result =>
    {
        // Sending the request.
        using (var requestStream = request.EndGetRequestStream(result))
        {
            using (StreamWriter writer = new StreamWriter(requestStream))
            {
                writer.Write(postData);
                writer.Flush();
            }
        }

        // Getting the response.
        request.BeginGetResponse(responseResult =>
        {
            var webResponse = request.EndGetResponse(responseResult);
            using (var responseStream = webResponse.GetResponseStream())
            {
                using (var streamReader = new StreamReader(responseStream))
                {
                    string srresult = streamReader.ReadToEnd();
                }
            }
        }, null);
    }, null);

PHP:

    define("UPLOAD_DIR", "./uploads/");


    if(isset($_POST['file']))
    {
        $base64_string = $_POST['file'];
        $ifp = fopen( UPLOAD_DIR.'aaa.dat', "wb" ); 
        fwrite( $ifp, base64_decode($base64_string) ); 
        fclose( $ifp ); 

        echo "ok";
        echo $base64_string;
        echo base64_decode($base64_string);

    }else{
            echo "no submit";
        }

To echo the above comment, please describe the behavior you are seeing and any exceptions received. Also, why are you posting a base 64 string instead of the file contents directly if you're just saving the file out in the end? — lsuarez, Jan 22 '14 at 17:08

score 0 · Answer 1 · edited May 23 '17 at 11:56

0

You’re abusing the HTTP protocol.

Here’s the correct way to upload files to the server. Be sure to read comments, and also you'll probably want to do this asynchronously. For the asynchronous path I'd suggest you try the new async-await feature of the C# language, it's very helpful for such tasks, compared to your Begin/End approach.

edited May 23 '17 at 11:56

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answered Jan 25 '14 at 22:11

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How to base64 encode a file and upload to PHP using windows phone?

1 Answers1