src/com/owncloud/android/authenticator/oauth2/OAuth2GetCodeRunnable.java

   1 package com.owncloud.android.authenticator.oauth2;
   2
   3 import java.io.UnsupportedEncodingException;
   4 import java.util.ArrayList;
   5 import java.util.List;
   6
   7 import org.apache.http.NameValuePair;
   8 import org.apache.http.client.entity.UrlEncodedFormEntity;
   9 import org.apache.http.message.BasicNameValuePair;
  10 import org.json.JSONException;
  11 import org.json.JSONObject;
  12
  13 import android.content.Context;
  14 import android.content.Intent;
  15 import android.net.ConnectivityManager;
  16 import android.net.Uri;
  17 import android.os.Handler;
  18 import android.util.Log;
  19
  20 import com.owncloud.android.authenticator.oauth2.OnOAuth2GetCodeResultListener.ResultOAuthType;
  21 import com.owncloud.android.authenticator.oauth2.connection.ConnectorOAuth2;
  22
  23 /**
  24  * Implements the communication with oAuth2 server to get User Code and other useful values.
  25  *
  26  * @author SolidGear S.L.
  27  *
  28  */
  29 public class OAuth2GetCodeRunnable implements Runnable {
  30
  31     public static final String CODE_USER_CODE  =  "user_code";
  32     public static final String CODE_CLIENT_ID  =  "client_id";
  33     public static final String CODE_SCOPE  =  "scope";
  34     public static final String CODE_VERIFICATION_URL  =  "verification_url";
  35     public static final String CODE_EXPIRES_IN  =  "expires_in";
  36     public static final String CODE_DEVICE_CODE = "device_code";
  37     public static final String CODE_INTERVAL = "interval";
  38
  39     private static final String CODE_RESPONSE_TYPE = "response_type";
  40     private static final String CODE_REDIRECT_URI = "redirect_uri";
  41
  42     private String mGrantType = OAuth2Context.OAUTH2_AUTH_CODE_GRANT_TYPE;
  43
  44     private static final String TAG = "OAuth2GetCodeRunnable";
  45     private OnOAuth2GetCodeResultListener mListener;
  46     private String mUrl;
  47     private Handler mHandler;
  48     private Context mContext;
  49     private JSONObject codeResponseJson = null;
  50     ResultOAuthType mLatestResult;
  51
  52
  53     public void setListener(OnOAuth2GetCodeResultListener listener, Handler handler) {
  54         mListener = listener;
  55         mHandler = handler;
  56     }
  57
  58     public OAuth2GetCodeRunnable(String url, Context context) {
  59         mListener = null;
  60         mHandler = null;
  61         mUrl = url;
  62         mContext = context;
  63     }
  64
  65     @Override
  66     public void run() {
  67
  68         if (!isOnline()) {
  69             postResult(ResultOAuthType.NO_NETWORK_CONNECTION,null);
  70             return;
  71         }
  72
  73         if (mUrl.startsWith("http://") || mUrl.startsWith("https://")) {
  74             mLatestResult = (mUrl.startsWith("https://"))? ResultOAuthType.OK_SSL : ResultOAuthType.OK_NO_SSL;
  75         } else {
  76             mUrl = "https://" + mUrl;
  77             mLatestResult = ResultOAuthType.OK_SSL;
  78         }
  79
  80         if (mGrantType.equals(OAuth2Context.OAUTH2_AUTH_CODE_GRANT_TYPE)) {
  81             requestBrowserToGetAuthorizationCode();
  82
  83         } else if (mGrantType.equals(OAuth2Context.OAUTH_G_DEVICE_GETTOKEN_GRANT_TYPE)) {
  84             getAuthorizationCode();
  85         }
  86     }
  87
  88     /// open the authorization endpoint in a web browser!
  89     private void requestBrowserToGetAuthorizationCode() {
  90         Uri uri = Uri.parse(mUrl);
  91         Uri.Builder uriBuilder = uri.buildUpon();
  92         uriBuilder.appendQueryParameter(CODE_RESPONSE_TYPE, OAuth2Context.OAUTH2_CODE_RESPONSE_TYPE);
  93         uriBuilder.appendQueryParameter(CODE_REDIRECT_URI, OAuth2Context.MY_REDIRECT_URI);
  94         uriBuilder.appendQueryParameter(CODE_CLIENT_ID, OAuth2Context.OAUTH2_F_CLIENT_ID);
  95         uriBuilder.appendQueryParameter(CODE_SCOPE, OAuth2Context.OAUTH2_F_SCOPE);
  96         //uriBuilder.appendQueryParameter(CODE_STATE, whateverwewant);
  97
  98         uri = uriBuilder.build();
  99         Log.d(TAG, "Starting browser to view " + uri.toString());
 100
 101         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 102         mContext.startActivity(i);
 103
 104         postResult(mLatestResult, null);
 105     }
 106
 107
 108     private void getAuthorizationCode() {
 109         ConnectorOAuth2 connectorOAuth2 = new ConnectorOAuth2(mUrl);
 110         try {
 111             List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
 112             nameValuePairs.add(new BasicNameValuePair(CODE_CLIENT_ID, OAuth2Context.OAUTH2_G_DEVICE_CLIENT_ID));
 113             nameValuePairs.add(new BasicNameValuePair(CODE_SCOPE,OAuth2Context.OAUTH2_G_DEVICE_GETCODE_SCOPES));
 114             UrlEncodedFormEntity params = new UrlEncodedFormEntity(nameValuePairs);
 115             codeResponseJson = new JSONObject(connectorOAuth2.connPost(params));
 116         } catch (JSONException e) {
 117             Log.e(TAG, "JSONException converting to Json: " + e.toString());
 118         } catch (UnsupportedEncodingException e) {
 119             Log.e(TAG, "UnsupportedEncodingException encoding URL values: " + e.toString());
 120         } catch (Exception e) {
 121             Log.e(TAG, "Exception : " + e.toString());
 122         }
 123
 124         if (codeResponseJson == null) {
 125             mLatestResult = ResultOAuthType.HOST_NOT_AVAILABLE;
 126         }
 127         postResult(mLatestResult, codeResponseJson);
 128     }
 129
 130
 131     private boolean isOnline() {
 132         ConnectivityManager cm = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
 133         return cm != null && cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnectedOrConnecting();
 134     }
 135
 136     private void postResult(final ResultOAuthType result,final JSONObject codeResponseJson) {
 137         if (mHandler != null && mListener != null) {
 138             mHandler.post(new Runnable() {
 139                 @Override
 140                 public void run() {
 141                     mListener.onOAuth2GetCodeResult(result, codeResponseJson);
 142                 }
 143             });
 144         }
 145     }
 146
 147 }