Android Open Source - oauthd-android-sdk O Auth

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License

The source code is released under:

Apache License

Java Source Code

package com.fonerevolution.oauthd;
/*from w w  w.jav  a2s . c  o m*/
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Date;

import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.util.Base64;

public class OAuth {

        String _key = "";
        String oauthd_url = "https://oauth.io/auth";
        Context mContext = null;
        
        /*
    **  Constructor
    **
    */
        public OAuth(Context context)
        {
                mContext = context;
        }
        public OAuth(Context context, String oauthdUrl)
        {
                mContext = context;
                oauthd_url = oauthdUrl;
        }
        /*
        **        Initialize the oauth key
        **
        */
        public void initialize (String key) 
        {
                _key = key;
        }
         
        /*
        **        Display the pop up for the authentication of the provider
        **
        */
        public void popup (String provider, OAuthCallback callback)
        {
                JSONObject opts = new JSONObject();
                this.popup(provider,  opts, callback);
        }
         
        /*
        **        Display the pop up for the authentication of the provider
        **
        */
        public void popup (String provider, JSONObject opts, OAuthCallback callback)
        {
                if (_key == "") {
                        OAuthData data = new OAuthData();
                        data.status = "error";
                        data.error = "Oauth must be initialized with a valid key";
                        callback.onFinished(data);
                        return;
                }

                if (opts.has("state") == false) {
                        try {
                                opts.putOpt("state", create_hash());
                                opts.putOpt("state_type", "client");
                        } catch (JSONException e) {
                        }
                }
                
                String url = oauthd_url + "/" + provider + "?k=" + _key;
                try {
                        url += "&redirect_uri=" + URLEncoder.encode("http://localhost", "UTF-8");
                        if (opts != null)
                                url += "&opts=" + URLEncoder.encode(opts.toString(), "UTF-8");
                } catch (UnsupportedEncodingException e) {
                }

                OAuthDialog dial = new OAuthDialog(mContext, url);
                dial.setOAuthCallback(callback);
                dial.getData().provider = provider;
            dial.show();
         }
 

        /*
        **        Convert byte in String
        **
        */
        public static String byteArrayToHexString(byte[] b) {
                String result = "";
                for (int i=0; i < b.length; i++)
                        result += Integer.toString( ( b[i] & 0xff ) + 0x100, 16).substring( 1 );
                return result;
        }


        /*
        **        Encrypte byte in SHA1
        **
        */
        public static String toSHA1(byte[] convertme) {
                MessageDigest md = null;
                try {
                        md = MessageDigest.getInstance("SHA-1");
                }
                catch(NoSuchAlgorithmException e) {
                        e.printStackTrace();
                } 
                return byteArrayToHexString(md.digest(convertme));
        }


        /*
        **        Create the good hash for the request
        **
        */
        private String create_hash() 
        {
                String hash = String.valueOf(new Date().getTime());
                hash += ':' + Math.floor(Math.random()*9999999);
                hash = toSHA1(hash.getBytes());
                hash = Base64.encodeToString(hash.getBytes(), Base64.DEFAULT);
                return hash.replaceAll("/+/g", "-").replaceAll("///g", "_").replaceAll("/=+$/", "");
        }
}

Java Source Code List

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