1 files changed, 57 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java
index a29f175c0..2fb6384b2 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdWizard.java
@@ -17,7 +17,10 @@
 
 package org.sufficientlysecure.keychain.ui.linked;
 
+import java.util.Random;
+
 import android.content.Context;
+import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
@@ -25,6 +28,7 @@ import android.support.v4.app.FragmentTransaction;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 
+import org.spongycastle.util.encoders.Hex;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
@@ -32,6 +36,8 @@ import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.ui.base.BaseActivity;
+import org.sufficientlysecure.keychain.ui.util.Notify;
+import org.sufficientlysecure.keychain.ui.util.Notify.Style;
 import org.sufficientlysecure.keychain.util.Log;
 
 public class LinkedIdWizard extends BaseActivity {
@@ -125,4 +131,55 @@ public class LinkedIdWizard extends BaseActivity {
         inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
     }
 
+    private String mOAuthCode, mOAuthState;
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+
+        Uri uri = intent.getData();
+        if (uri != null) {
+            Log.d(Constants.TAG, "received oauth uri: " + uri);
+            String state = uri.getQueryParameter("state");
+            if (!mOAuthState.equalsIgnoreCase(state)) {
+                Notify.create(this, "Authentication Error!", Style.ERROR).show();
+                return;
+            }
+            mOAuthCode = uri.getQueryParameter("code");
+        } else {
+            Log.d(Constants.TAG, "received oauth uri: null");
+        }
+
+    }
+
+    public String oAuthGetCode() {
+        try {
+            return mOAuthCode;
+        } finally {
+            mOAuthCode = null;
+        }
+    }
+
+    public String oAuthGetState() {
+        return mOAuthState;
+    }
+
+    public void oAuthRequest(String hostAndPath, String clientId, String scope) {
+
+        byte[] buf = new byte[16];
+        new Random().nextBytes(buf);
+        mOAuthState = new String(Hex.encode(buf));
+
+        Intent intent = new Intent(
+                Intent.ACTION_VIEW,
+                Uri.parse("https://" + hostAndPath +
+                        "?client_id=" + clientId +
+                        "&scope=" + scope +
+                        "&redirect_uri=oauth-openkeychain://linked/" +
+                        "&state=" + mOAuthState));
+
+        startActivity(intent);
+
+    }
+
 }