Add new servlet to get logged-in user's data

4.x.x
lasanthaDLPDS 5 years ago
parent c859ff9611
commit fefdb7aba3

@ -191,7 +191,6 @@ public class LoginHandler extends HttpServlet {
authData.setScope(jTokenResultAsJsonObject.get("scope").getAsString());
session.setAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY, authData);
return true;
}
}
return false;

@ -0,0 +1,113 @@
/*
* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
*
* Entgra (Pvt) Ltd. licenses this file to you 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 io.entgra.ui.request.interceptor;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonSyntaxException;
import io.entgra.ui.request.interceptor.beans.AuthData;
import io.entgra.ui.request.interceptor.util.HandlerConstants;
import io.entgra.ui.request.interceptor.util.HandlerUtil;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.wso2.carbon.device.application.mgt.common.ProxyResponse;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
@MultipartConfig @WebServlet("/user") public class UserHandler extends HttpServlet {
private static final Log log = LogFactory.getLog(UserHandler.class);
private static final long serialVersionUID = 9050048549140517002L;
@Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
try {
String platform = req.getParameter(HandlerConstants.PLATFORM);
String serverUrl =
req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + req.getServerName() + HandlerConstants.COLON
+ System.getProperty("iot.gateway.https.port");
if (StringUtils.isBlank(platform)) {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_BAD_REQUEST);
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
return;
}
HttpSession httpSession = req.getSession(false);
if (httpSession == null) {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_UNAUTHORIZED);
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
return;
}
AuthData authData = (AuthData) httpSession.getAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY);
String accessToken = authData.getAccessToken();
HttpPost tokenEndpoint = new HttpPost(serverUrl + HandlerConstants.INTROSPECT_ENDPOINT);
tokenEndpoint.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_FORM_URLENCODED.toString());
StringEntity tokenEPPayload = new StringEntity("token=" + accessToken,
ContentType.APPLICATION_FORM_URLENCODED);
tokenEndpoint.setEntity(tokenEPPayload);
ProxyResponse tokenStatus = HandlerUtil.execute(tokenEndpoint);
if (tokenStatus.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API to get token status.");
HandlerUtil.handleError(req, resp, serverUrl, platform, tokenStatus);
return;
}
String tokenData = tokenStatus.getData();
if (tokenData == null) {
log.error("Invalid token data is received.");
HandlerUtil.handleError(req, resp, serverUrl, platform, tokenStatus);
return;
}
JsonParser jsonParser = new JsonParser();
JsonElement jTokenResult = jsonParser.parse(tokenData);
if (jTokenResult.isJsonObject()) {
JsonObject jTokenResultAsJsonObject = jTokenResult.getAsJsonObject();
if (!jTokenResultAsJsonObject.get("active").getAsBoolean()) {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_UNAUTHORIZED);
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
return;
}
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_OK);
proxyResponse.setData(jTokenResultAsJsonObject.get("username").getAsString());
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
}
} catch (IOException e) {
log.error("Error occurred while sending the response into the socket. ", e);
} catch (JsonSyntaxException e) {
log.error("Error occurred while parsing the response. ", e);
}
}
}

@ -23,6 +23,7 @@ public class HandlerConstants {
public static final String APP_REG_ENDPOINT = "/api-application-registration/register";
public static final String UI_CONFIG_ENDPOINT = "/api/application-mgt/v1.0/config/ui-config";
public static final String TOKEN_ENDPOINT = "/token";
public static final String INTROSPECT_ENDPOINT = "/oauth2/introspect";
public static final String LOGIN_PAGE = "/login";
public static final String BASIC = "Basic ";
public static final String BEARER = "Bearer ";

@ -20,7 +20,6 @@ package io.entgra.ui.request.interceptor.util;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

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