Hello

I am interested in your vb6 code for oauth. I would appreciate it if you
send it to me.

Jerry Erwin
  -----Original Message-----
  From: [email protected] [mailto:[email protected]]On Behalf Of
Bruno Goulmy
  Sent: Thursday, January 24, 2013 2:52 AM
  To: [email protected]
  Subject: Re: [oauth] oauth_signature parameter in 2legged OAuth


  hello,


  i'm not a java dev (not yet). But i have implemented Oauth1.0 in VB6.
  i can share the code if you want. it could help because it's less
talkative


  best regards.


  2013/1/9 ritesh mehandiratta <[email protected]>

    Hi i am trying to implement OAuth1.0 following this tutorial in this
tutorial there is a heading OAuthGetRequestToken

    in which for getting request token we have to send a post request to URL

    www.google.com/accounts/OAuthGetRequestToken

    i am sending a post request in my code in google app engine my code is:





package org.ritesh;

    import java.io.BufferedInputStream;
    import java.io.BufferedReader;
    import java.io.DataInputStream;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.InputStreamReader;
    import java.io.OutputStreamWriter;
    import java.net.HttpURLConnection;
    import java.net.URL;
    import java.net.URLEncoder;
    import java.security.KeyFactory;
    import java.security.NoSuchAlgorithmException;
    import java.security.PrivateKey;
    import java.security.spec.EncodedKeySpec;
    import java.security.spec.InvalidKeySpecException;
    import java.security.spec.PKCS8EncodedKeySpec;
    import java.util.Iterator;
    import java.util.Map;
    import java.util.Set;
    import java.util.TreeMap;

    import com.google.gdata.client.authn.oauth.*;
    import com.google.gdata.util.common.util.Base64;
    import com.google.gdata.util.common.util.Base64DecoderException;
    import com.sun.org.apache.xerces.internal.util.URI;

    import javax.servlet.ServletContext;
    import javax.servlet.http.*;


    @SuppressWarnings("serial")
    public class HelloWorldServlet extends HttpServlet {
        @SuppressWarnings({ "unchecked", "unchecked" })
        public void doGet(HttpServletRequest req, HttpServletResponse resp)
                throws IOException {

        String myrsakey=
"MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBALwVoQ3Ksd9gwZY3"
            +"a7Flz5bf1oCiYe8XSn6vlkaPiA0jBcPJAmACjI023/Z+8KgDbyhlRumTtcateX
NZ"
            +"FVb7q/BKTQWgxK1Fj2XGUkWQz6Nsp/sk54M+R4n3XkTp6W7HhFERE81Iobgy+K
tM"
            +"vr5f/tJbCtLspKSaq2totveKMvMDAgMBAAECgYBIeTke3FzfyyOtI1vO9oEgDM
5V"
            +"sLx16Y6d9EC+na36CeW9xGWy4yiPfXadP9qxkukxMp05gd5IWS30QX5UjxN4ER
9j"
            +"tEDCfDePnrOoi6aUpLXuHoOQbhVIBMTEsFzw9v837a2GOnU0YMgUnGTzC8Ql/3
Aw"
            +"kFPNFqVEG57ItzZYGQJBAO8K8qXiDfUeMUjGLwqbRk5NgM7GVlPI80f3/V2o7E
tP"
            +"T6kr6nvob7ZfgQ9R1STuIPjF+0GartfHZ5x+7tdcZ7cCQQDJbUV6Y41zzQ/Pg/
cl"
            +"VIbZ8Lx9GdtYBaDFeIhGHXDq7Q0I17ztMILJfvx5kKQWGix8ktb0COGX7LxKIw
Fu"
            +"GxcVAkEAhoDWf9humhnfCV/aYFF2geDCNZcMRCCyIzC689R1APsji8EWM5paIX
gj"
            +"moclM556FwDvm7552xhsiHYz1iI8iQJANcCMRvHkIJ/7dSRBQtwAtI4yrqvExg
OS"
            +"eMAGlbdrl7W0wcRYrW9Bp6XUmFhKAX/wmTnSVQM9uH47bQlUa16dVQJBAKnnjc
gW"
            +"AmoCYM+YYmi6+fytPYn9W61RNdl1f9rtccDBhsWomgS6O204qJoLX+U/aCkjpP
xK"
            +"IyilkfsZBNupdzA=";


            resp.setContentType("text/html");

 resp.getWriter().println("<html><head> <meta
name=\"google-site-verification\"
content=\"OBFeK6hFEbTkNdcYc-SQNH9tCTpcht-HkUdj6IgCaLg\" </head>");

            resp.getWriter().println("<body>Hello, world");

      TreeMap<String,String> tree=new TreeMap<String,String>();
      tree.put("oauth_version","1.0");
      tree.put("oauth_nonce", System.currentTimeMillis()+"");
      tree.put("oauth_timestamp",System.currentTimeMillis()/1000+"");
      tree.put("oauth_consumer_key", "imehandirattaritesh.appspot.com");
      tree.put("oauth_signature_method", "RSA-SHA1");
      tree.put("oauth_signature", myrsakey);
      tree.put("oauth_callback",
"https://imehandirattaritesh.appspot.com/authsub";);
      tree.put("scope", "http://www.google.com/calendar/feeds";);
      Set set = tree.entrySet();

      Iterator<Map.Entry<String, String>> i = set.iterator();
      String datastring="";
      Map.Entry me=(Map.Entry)i.next();
     datastring=me.getKey()+"=";
     datastring+=me.getValue();

     while(i.hasNext()) {
          me = (Map.Entry)i.next();
          datastring+="&"+me.getKey()+"=";
          datastring+=(me.getValue());
          }


    URL url=new
URL("https://www.google.com/accounts/OAuthGetRequestToken?"+datastring);
                    resp.getWriter().println(""+datastring);
            HttpURLConnection urlConnection = (HttpURLConnection)
url.openConnection();

            urlConnection.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");

            urlConnection.setRequestProperty("Authorization", "OAuth");

            urlConnection.setRequestMethod("POST");

            urlConnection.setDoOutput(true);

            BufferedReader in = new BufferedReader(new
InputStreamReader(urlConnection.getInputStream()));

              resp.getWriter().println( urlConnection.getResponseCode());

               String xx="";

               String xx1="";

               while((xx1=in.readLine()) != null)

               {
                   xx+=xx1;


               }
               resp.getWriter().println(xx);
               resp.getWriter().println("</body></html>");




        }



}i am hosting my app on domain imehandirattaritesh.appspot.com and i think
probably i am putting all my parameters correct.may be in tutorial link
signature is a very small string but in my case it is a very big string i am
putting the content of my .pk8 file which is generated from certificate .pem
file .i am expecting my input as like this

oauth_token=ab3cd9j4ks73hf7g&oauth_token_secret=ZXhhbXBsZS5jb20&oauth_callba
ck_confirmed=true


but in place of this i am getting response of sending post request
assignature_invalidbase_string:POST&https%3A%2F%2Fwww.google.com%2Faccounts%
2FOAuthGetRequestToken&oauth_callback%3Dhttps%253A%252F%252Fimehandirattarit
esh.appspot.com%252Fauthsub%26oauth_consumer_key%3Dimehandirattaritesh.appsp
ot.com%26oauth_nonce%3D1357733037248%26oauth_signature_method%3DRSA-SHA1%26o
auth_timestamp%3D1357733037%26oauth_version%3D1.0%26scope%3Dhttp%253A%252F%2
52Fwww.google.com%252Fcalendar%252Ffeeds

my oauth_callback is https://imehandirattaritesh.appspot.com/authsub

i am trying to remove this error like hell but failed every time can any one
please help how to remove this error or resource or link from which i will
get any help.please dont suggest me using java client for OAuth1.0 .i have
to use google prediction api and call then from my application and in java
client library there is no functionality related to calling google
prediction api.please help me how to remove this error and get right output


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