Hello All,
I am trying to upload a image with metadata using Picasa Web Album Data API
version 2.0 in C#. Its throwing 'Bad Request' error. The error does not
indicate which part in request is missing or where I am going wrong. The
image upload without metadata works perfectly. Following is the code :
byte[] image = System.IO.File.ReadAllBytes(fullimagepath);
int imglenth= image.Length;
string rawImgXml="<entry xmlns=\'http://www.w3.org/2005/Atom
\'>"+"\n"+
"<title>plz-to-love-realcat.jpg</title>"+"\n"+
"<summary>Real cat wants attention too</summary>"+"\n"+
"<category scheme=\"http://schemas.google.com/g/2005#
kind\""+
"term=\"http://schemas.google.com/photos/2007#photo\"/>"
+"\n"+
"</entry>";
string data = "";
data ="\nMedia multipart posting\n"+
"--P4CpLdIHZpYqNn7\n"+
"Content-Type: application/atom+xml\n\n"+
rawImgXml + "\n"
+"--P4CpLdIHZpYqNn7\n"
+"Content-Type: image/jpeg\n\n"+
"--P4CpLdIHZpYqNn7--";
int length=data.Length+imglenth;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("
https://picasaweb.google.com/data/feed/api/user/"+tc.userId+"/albumid/"+";
6150508893827643953"+"?access_token="+tc.auth_Token);
byte[] bytes;
bytes = System.Text.Encoding.ASCII.GetBytes(data);
request.ContentType = "multipart/related; boundary=
P4CpLdIHZpYqNn7";
request.ContentLength = length;
request.Headers.Add("GData-Version","2");
request.Headers.Add("MIME-Version","1.0");
request.Method = "POST";
Stream requestStream = request.GetRequestStream();
requestStream.Write(image, 0, image.Length);
requestStream.Write(bytes, 0, bytes.Length);
requestStream.Close();
HttpWebResponse response;
response = (HttpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
string responseStr = new StreamReader(responseStream).
ReadToEnd();
Where am I going wrong? Instead of attaching the image binary data in the
string named 'data' I am writing it to the stream, is that the culprit? Any
suggestions or directions will be of great help. Thanks a ton in advance!
-Prerana
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