Add Google OAuth2 Provider

Change-Id: Ib2062996074621b80da1acbb1e7fd3b8f3dbf687
Signed-off-by: Glen Youngjin Kim <glen.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/11271
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Jee Hyeok Kim <jihyeok13.kim@samsung.com>
(cherry picked from commit 2c4f2d3be6cc402bb7aec8d5d8c2939b07c3d935)
Reviewed-on: https://gerrit.iotivity.org/gerrit/11985
Reviewed-by: Yeonghun Nam <yeonghun.nam@samsung.com>
Tested-by: Jee Hyeok Kim <jihyeok13.kim@samsung.com>

diff --git a/cloud/account/Google.jar b/cloud/account/Google.jar
new file mode 100644 (file)
index 0000000..cb3697c
Binary files /dev/null and b/cloud/account/Google.jar differ

diff --git a/cloud/account/src/main/java/org/iotivity/cloud/accountserver/Constants.java b/cloud/account/src/main/java/org/iotivity/cloud/accountserver/Constants.java
index 1fc6d88..564ad40 100644 (file)
--- a/cloud/account/src/main/java/org/iotivity/cloud/accountserver/Constants.java
+++ b/cloud/account/src/main/java/org/iotivity/cloud/accountserver/Constants.java
@@ -236,4 +236,6 @@ public class Constants extends OICConstants {
     public static final String GITHUB                = "Github";
 
     public static final String SAMSUNG               = "Samsung";
+
+    public static final String GOOGLE                = "Google";
 }

diff --git a/cloud/account/src/main/java/org/iotivity/cloud/accountserver/oauth/Google.java b/cloud/account/src/main/java/org/iotivity/cloud/accountserver/oauth/Google.java
new file mode 100644 (file)
index 0000000..72577c7
--- /dev/null
+++ b/cloud/account/src/main/java/org/iotivity/cloud/accountserver/oauth/Google.java
@@ -0,0 +1,195 @@
+/*
+ * //******************************************************************
+ * //
+ * // Copyright 2016 Samsung Electronics All Rights Reserved.
+ * //
+ * //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+ * //
+ * // Licensed under the Apache License, Version 2.0 (the "License");
+ * // you may not use this file except in compliance with the License.
+ * // You may obtain a copy of the License at
+ * //
+ * //      http://www.apache.org/licenses/LICENSE-2.0
+ * //
+ * // Unless required by applicable law or agreed to in writing, software
+ * // distributed under the License is distributed on an "AS IS" BASIS,
+ * // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * // See the License for the specific language governing permissions and
+ * // limitations under the License.
+ * //
+ * //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+ */
+package org.iotivity.cloud.accountserver.oauth;
+
+import java.util.HashMap;
+
+import org.apache.oltu.oauth2.client.OAuthClient;
+import org.apache.oltu.oauth2.client.URLConnectionClient;
+import org.apache.oltu.oauth2.client.request.OAuthBearerClientRequest;
+import org.apache.oltu.oauth2.client.request.OAuthClientRequest;
+import org.apache.oltu.oauth2.client.response.OAuthAccessTokenResponse;
+import org.apache.oltu.oauth2.client.response.OAuthJSONAccessTokenResponse;
+import org.apache.oltu.oauth2.client.response.OAuthResourceResponse;
+import org.apache.oltu.oauth2.common.OAuth;
+import org.apache.oltu.oauth2.common.OAuthProviderType;
+import org.apache.oltu.oauth2.common.exception.OAuthProblemException;
+import org.apache.oltu.oauth2.common.exception.OAuthSystemException;
+import org.apache.oltu.oauth2.common.message.types.GrantType;
+import org.iotivity.cloud.accountserver.db.TokenTable;
+import org.iotivity.cloud.accountserver.db.UserTable;
+import org.iotivity.cloud.base.exception.ServerException.InternalServerErrorException;
+import org.iotivity.cloud.util.JSONUtil;
+import org.iotivity.cloud.util.Log;;
+
+/**
+ *
+ * This class provides a sample to make .jar that communicates with OAuth2
+ * provider.
+ *
+ */
+public class Google implements OAuthProvider {
+
+    // do not use 'client_id' and 'secret' variables.
+    // should use values that are obtained from github.
+    final static private String client_id    = "447649044559-f9r5sl6op3kkk0312u384o4g6hhucje1.apps.googleusercontent.com";
+    final static private String secret       = "LyTe5_EQkv8-v9Zbq20PSCLR";
+    final static private String redirect_url = "http://www.example.com/oauth2callback";
+    final static private String resource_url = "https://www.googleapis.com/userinfo/v2/me";
+
+    @Override
+    public TokenTable requestAccessTokenInfo(String authCode, Object options) {
+
+        TokenTable tokenInfo = new TokenTable();
+
+        if (authCode == null) {
+
+            Log.w("authCode is null!");
+            return tokenInfo;
+        }
+
+        try {
+
+            OAuthClientRequest request = OAuthClientRequest
+                    .tokenProvider(OAuthProviderType.GOOGLE)
+                    .setGrantType(GrantType.AUTHORIZATION_CODE)
+                    .setClientId(client_id).setClientSecret(secret)
+                    .setCode(authCode).setRedirectURI(redirect_url)
+                    .buildBodyMessage();
+
+            OAuthClient oauthClient = new OAuthClient(
+                    new URLConnectionClient());
+
+            OAuthAccessTokenResponse oauthResponse = null;
+            Class<? extends OAuthAccessTokenResponse> cl = OAuthJSONAccessTokenResponse.class;
+
+            oauthResponse = oauthClient.accessToken(request, cl);
+
+            Log.d("OAuth response: " + oauthResponse.getBody());
+
+            tokenInfo.setAccesstoken(oauthResponse.getAccessToken());
+            tokenInfo.setRefreshtoken(oauthResponse.getRefreshToken());
+            tokenInfo.setExpiredtime(oauthResponse.getExpiresIn());
+
+        } catch (OAuthSystemException | OAuthProblemException e) {
+
+            e.printStackTrace();
+            throw new InternalServerErrorException(
+                    "OAuth provider(Google) error");
+        }
+
+        return tokenInfo;
+    }
+
+    @Override
+    public TokenTable requestRefreshTokenInfo(String refreshToken) {
+
+        TokenTable tokenInfo = new TokenTable();
+
+        if (refreshToken == null) {
+
+            Log.w("refreshToken is null!");
+            return tokenInfo;
+        }
+
+        try {
+
+            OAuthClientRequest request = OAuthClientRequest
+                    .tokenProvider(OAuthProviderType.GOOGLE)
+                    .setGrantType(GrantType.REFRESH_TOKEN)
+                    .setClientId(client_id).setClientSecret(secret)
+                    .setRefreshToken(refreshToken).buildBodyMessage();
+
+            OAuthClient oauthClient = new OAuthClient(
+                    new URLConnectionClient());
+
+            OAuthAccessTokenResponse oauthResponse = null;
+            Class<? extends OAuthAccessTokenResponse> cl = OAuthJSONAccessTokenResponse.class;
+
+            oauthResponse = oauthClient.accessToken(request, cl);
+
+            Log.d("OAuth response: " + oauthResponse.getBody());
+
+            tokenInfo.setAccesstoken(oauthResponse.getAccessToken());
+            // Google provides refreshToken in one time.
+            tokenInfo.setRefreshtoken(refreshToken);
+            tokenInfo.setExpiredtime(oauthResponse.getExpiresIn());
+
+        } catch (OAuthSystemException | OAuthProblemException e) {
+
+            e.printStackTrace();
+            throw new InternalServerErrorException(
+                    "OAuth provider(Google) error");
+        }
+
+        return tokenInfo;
+    }
+
+    @Override
+    public UserTable requestGetUserInfo(String accessToken, Object options) {
+
+        UserTable userInfo = new UserTable();
+
+        if (accessToken == null) {
+            Log.w("accessToken is null!");
+            return userInfo;
+        }
+
+        String response = null;
+
+        try {
+
+            OAuthClientRequest request = new OAuthBearerClientRequest(
+                    resource_url).setAccessToken(accessToken)
+                            .buildQueryMessage();
+
+            OAuthClient oAuthClient = new OAuthClient(
+                    new URLConnectionClient());
+            OAuthResourceResponse resourceResponse = oAuthClient.resource(
+                    request, OAuth.HttpMethod.GET, OAuthResourceResponse.class);
+
+            response = resourceResponse.getBody();
+            Log.d("response: " + response);
+
+        } catch (OAuthSystemException | OAuthProblemException e) {
+            e.printStackTrace();
+            throw new InternalServerErrorException(
+                    "OAuth provider(Github) error");
+        }
+
+        String userIdKey = "name";
+
+        JSONUtil<HashMap<String, String>> util = new JSONUtil<>();
+        HashMap<String, String> parsedData = util.parseJSON(response,
+                HashMap.class);
+
+        if (parsedData == null) {
+            Log.d("parsedData is null!");
+            return userInfo;
+        }
+
+        String userId = parsedData.get(userIdKey);
+        userInfo.setUserid(userId);
+
+        return userInfo;
+    }
+}