parent
ce13b0f131
commit
f31befb342
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/*
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* Copyright (c) 2020, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
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*
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* Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package io.entgra.ui.request.interceptor;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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import io.entgra.ui.request.interceptor.beans.AuthData;
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import io.entgra.ui.request.interceptor.util.HandlerConstants;
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import io.entgra.ui.request.interceptor.util.HandlerUtil;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.http.HttpHeaders;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.StringEntity;
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import org.wso2.carbon.device.application.mgt.common.ProxyResponse;
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import javax.servlet.annotation.MultipartConfig;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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@MultipartConfig
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@WebServlet("/ssoLoginCallback")
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public class SsoLoginCallbackHandler extends HttpServlet {
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private static final Log log = LogFactory.getLog(SsoLoginCallbackHandler.class);
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
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String code = req.getParameter("code");
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HttpSession session = req.getSession(false);
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String scope = session.getAttribute("scope").toString();
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String iotsCorePort = System.getProperty("iot.core.https.port");
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if (HandlerConstants.HTTP_PROTOCOL.equals(req.getScheme())) {
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iotsCorePort = System.getProperty("iot.core.http.port");
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}
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String gatewayUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.gateway.host")
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+ HandlerConstants.COLON + HandlerUtil.getGatewayPort(req.getScheme());
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String iotsCoreUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.core.host")
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+ HandlerConstants.COLON + iotsCorePort;
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HttpPost tokenEndpoint = new HttpPost(gatewayUrl + HandlerConstants.TOKEN_ENDPOINT);
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tokenEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC + session.getAttribute("encodedClientApp"));
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tokenEndpoint.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_FORM_URLENCODED.toString());
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String loginCallbackUrl = iotsCoreUrl + req.getContextPath() + HandlerConstants.SSO_LOGIN_CALLBACK;
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StringEntity tokenEPPayload = new StringEntity(
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"grant_type=" + HandlerConstants.CODE_GRANT_TYPE + "&code=" + code + "&state=&scope=" + scope +
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"&redirect_uri=" + loginCallbackUrl,
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ContentType.APPLICATION_FORM_URLENCODED);
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tokenEndpoint.setEntity(tokenEPPayload);
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ProxyResponse tokenResultResponse = HandlerUtil.execute(tokenEndpoint);
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JsonParser jsonParser = new JsonParser();
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JsonElement jTokenResult = jsonParser.parse(tokenResultResponse.getData());
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if (jTokenResult.isJsonObject()) {
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JsonObject jTokenResultAsJsonObject = jTokenResult.getAsJsonObject();
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AuthData authData = new AuthData();
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authData.setClientId(session.getAttribute("clientId").toString());
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authData.setClientSecret(session.getAttribute("clientSecret").toString());
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authData.setEncodedClientApp(session.getAttribute("encodedClientApp").toString());
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authData.setAccessToken(jTokenResultAsJsonObject.get("access_token").getAsString());
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authData.setRefreshToken(jTokenResultAsJsonObject.get("refresh_token").getAsString());
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authData.setScope(jTokenResultAsJsonObject.get("scope").getAsString());
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session.setAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY, authData);
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resp.sendRedirect(session.getAttribute("redirectUrl").toString());
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}
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}
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}
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@ -0,0 +1,285 @@
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/*
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* Copyright (c) 2020, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
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*
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* Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package io.entgra.ui.request.interceptor;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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import com.google.gson.JsonSyntaxException;
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import io.entgra.ui.request.interceptor.util.HandlerConstants;
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import io.entgra.ui.request.interceptor.util.HandlerUtil;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.http.HttpHeaders;
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import org.apache.http.HttpStatus;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.methods.HttpPut;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.protocol.HTTP;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import org.w3c.dom.Document;
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import org.wso2.carbon.device.application.mgt.common.ProxyResponse;
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import org.xml.sax.SAXException;
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import javax.servlet.annotation.MultipartConfig;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import java.io.File;
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import java.io.IOException;
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import java.util.Base64;
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@MultipartConfig
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@WebServlet("/ssoLogin")
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public class SsoLoginHandler extends HttpServlet {
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private static final Log log = LogFactory.getLog(SsoLoginHandler.class);
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private static String adminUsername;
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private static String adminPassword;
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private static String gatewayUrl;
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private static String iotsCoreUrl;
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private static String encodedClientApp;
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private static String applicationId;
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private static String baseContextPath;
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private JsonObject uiConfigJsonObject;
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private HttpSession httpSession;
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
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dynamicClientRegistration(req, resp);
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String clientId = httpSession.getAttribute("clientId").toString();
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JsonArray scopesSsoJson = uiConfigJsonObject.get("scopes").getAsJsonArray();
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String scopesSsoString = HandlerUtil.getScopeString(scopesSsoJson);
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String loginCallbackUrl = iotsCoreUrl + baseContextPath + HandlerConstants.SSO_LOGIN_CALLBACK;
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resp.sendRedirect(iotsCoreUrl + HandlerConstants.AUTHORIZATION_ENDPOINT +
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"?response_type=code" +
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"&client_id=" + clientId +
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"&state=" +
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"&scope=openid " + scopesSsoString +
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"&redirect_uri=" + loginCallbackUrl);
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}
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/***
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* Handles DCR and updates grant types of the application
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* before redirecting to the authorization endpoint.
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*
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* @param req {@link HttpServletRequest}
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* @param resp {@link HttpServletResponse}
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*/
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private void dynamicClientRegistration(HttpServletRequest req, HttpServletResponse resp) {
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try {
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File userMgtConf = new File("conf/user-mgt.xml");
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DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
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Document doc = dBuilder.parse(userMgtConf);
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adminUsername = doc.getElementsByTagName("UserName").item(0).getTextContent();
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adminPassword = doc.getElementsByTagName("Password").item(0).getTextContent();
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baseContextPath = req.getContextPath();
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String applicationName = baseContextPath.substring(1, baseContextPath.indexOf("-ui-request-handler"));
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String iotsCorePort = System.getProperty("iot.core.https.port");
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if (HandlerConstants.HTTP_PROTOCOL.equals(req.getScheme())) {
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iotsCorePort = System.getProperty("iot.core.http.port");
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}
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gatewayUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.gateway.host")
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+ HandlerConstants.COLON + HandlerUtil.getGatewayPort(req.getScheme());
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iotsCoreUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.core.host")
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+ HandlerConstants.COLON + iotsCorePort;
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String uiConfigUrl = iotsCoreUrl + HandlerConstants.UI_CONFIG_ENDPOINT;
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httpSession = req.getSession(false);
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if (httpSession != null) {
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httpSession.invalidate();
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}
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httpSession = req.getSession(true);
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uiConfigJsonObject = HandlerUtil.getUIConfigAndPersistInSession(uiConfigUrl, gatewayUrl, httpSession, resp);
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JsonArray tags = uiConfigJsonObject.get("appRegistration").getAsJsonObject().get("tags").getAsJsonArray();
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JsonArray scopes = uiConfigJsonObject.get("scopes").getAsJsonArray();
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// Register the client application
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HttpPost apiRegEndpoint = new HttpPost(gatewayUrl + HandlerConstants.APP_REG_ENDPOINT);
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String encodedAdminCredentials = Base64.getEncoder()
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.encodeToString((adminUsername + HandlerConstants.COLON + adminPassword).getBytes());
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apiRegEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC +
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encodedAdminCredentials);
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apiRegEndpoint.setHeader(HTTP.CONTENT_TYPE, ContentType.APPLICATION_JSON.toString());
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apiRegEndpoint.setEntity(HandlerUtil.constructAppRegPayload(tags, applicationName, adminUsername, adminPassword));
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ProxyResponse clientAppResponse = HandlerUtil.execute(apiRegEndpoint);
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if (clientAppResponse.getCode() == HttpStatus.SC_UNAUTHORIZED) {
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HandlerUtil.handleError(resp, clientAppResponse);
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}
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if (clientAppResponse.getCode() == HttpStatus.SC_CREATED) {
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JsonParser jsonParser = new JsonParser();
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JsonElement jClientAppResult = jsonParser.parse(clientAppResponse.getData());
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if (jClientAppResult.isJsonObject()) {
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JsonObject jClientAppResultAsJsonObject = jClientAppResult.getAsJsonObject();
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String clientId = jClientAppResultAsJsonObject.get("client_id").getAsString();
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String clientSecret = jClientAppResultAsJsonObject.get("client_secret").getAsString();
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encodedClientApp = Base64.getEncoder().encodeToString((clientId + ":" + clientSecret).getBytes());
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String redirectUrl = req.getParameter("redirect");
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httpSession = req.getSession(false);
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httpSession.setAttribute("clientId", clientId);
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httpSession.setAttribute("clientSecret", clientSecret);
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httpSession.setAttribute("encodedClientApp", encodedClientApp);
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httpSession.setAttribute("scope", HandlerUtil.getScopeString(scopes));
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httpSession.setAttribute("redirectUrl", redirectUrl);
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}
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}
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// Get the details of the registered application
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String getApplicationEndpointUrl = iotsCoreUrl + HandlerConstants.APIM_APPLICATIONS_ENDPOINT +
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"?query=" + applicationName;
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HttpGet getApplicationEndpoint = new HttpGet(getApplicationEndpointUrl);
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getApplicationEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER +
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getAccessToken(resp, encodedClientApp));
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ProxyResponse getApplicationResponse = HandlerUtil.execute(getApplicationEndpoint);
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if (getApplicationResponse.getCode() == HttpStatus.SC_UNAUTHORIZED) {
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HandlerUtil.handleError(resp, getApplicationResponse);
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return;
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}
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if (getApplicationResponse.getCode() == HttpStatus.SC_OK) {
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JsonParser jsonParser = new JsonParser();
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JsonElement jAppResult = jsonParser.parse(getApplicationResponse.getData());
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if (jAppResult.isJsonObject()) {
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JsonObject jClientAppResultAsJsonObject = jAppResult.getAsJsonObject();
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JsonArray appList = jClientAppResultAsJsonObject.getAsJsonArray("list");
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JsonObject app;
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for (JsonElement appJson : appList) {
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app = appJson.getAsJsonObject();
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if (app.get("name").getAsString().equals(applicationName)) {
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applicationId = app.get("applicationId").getAsString();
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break;
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}
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}
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}
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}
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// Update the grant types of the application
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String url = iotsCoreUrl + HandlerConstants.APIM_APPLICATIONS_ENDPOINT + applicationId + "/keys/PRODUCTION";
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HttpPut updateApplicationGrantTypesEndpoint = new HttpPut(url);
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updateApplicationGrantTypesEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER +
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getAccessToken(resp, encodedClientApp));
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updateApplicationGrantTypesEndpoint.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_JSON.toString());
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updateApplicationGrantTypesEndpoint.setEntity(constructAppGrantTypeUpdatePayload());
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ProxyResponse updateApplicationGrantTypesEndpointResponse = HandlerUtil.execute(updateApplicationGrantTypesEndpoint);
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if (updateApplicationGrantTypesEndpointResponse.getCode() == HttpStatus.SC_UNAUTHORIZED) {
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HandlerUtil.handleError(resp, updateApplicationGrantTypesEndpointResponse);
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return;
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}
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if (updateApplicationGrantTypesEndpointResponse.getCode() == HttpStatus.SC_OK) {
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return;
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}
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HandlerUtil.handleError(resp, null);
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} catch (IOException e) {
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log.error("Error occurred while sending the response into the socket. ", e);
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} catch (JsonSyntaxException e) {
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log.error("Error occurred while parsing the response. ", e);
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} catch (ParserConfigurationException | SAXException e) {
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log.error("Error while parsing xml file.", e);
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}
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}
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/***
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* Generates payload for application grant_type update payload
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*
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* @return {@link StringEntity} of the payload to update application grant type
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*/
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private StringEntity constructAppGrantTypeUpdatePayload() {
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JSONObject jsonObject = new JSONObject();
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jsonObject.put("supportedGrantTypes", new JSONArray(new Object[]{HandlerConstants.CODE_GRANT_TYPE,
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HandlerConstants.REFRESH_TOKEN_GRANT_TYPE, HandlerConstants.PASSWORD_GRANT_TYPE}));
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jsonObject.put(HandlerConstants.CALLBACK_URL_KEY, iotsCoreUrl + baseContextPath + HandlerConstants.SSO_LOGIN_CALLBACK);
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String payload = jsonObject.toString();
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return new StringEntity(payload, ContentType.APPLICATION_JSON);
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}
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/***
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* Generates tokens using password grant_type by invoking token endpoint
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*
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* @param encodedClientApp - Base64 encoded clientId:clientSecret.
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* @return Invoke token endpoint and return the response as string.
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* @throws IOException IO exception throws if an error occurred when invoking token endpoint
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*/
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private ProxyResponse getTokenResult(String encodedClientApp) throws IOException {
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HttpPost tokenEndpoint = new HttpPost(gatewayUrl + HandlerConstants.TOKEN_ENDPOINT);
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tokenEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC + encodedClientApp);
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tokenEndpoint.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_FORM_URLENCODED.toString());
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StringEntity tokenEPPayload = new StringEntity(
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"grant_type=" + HandlerConstants.PASSWORD_GRANT_TYPE + "&username=" + adminUsername + "&password=" + adminPassword +
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"&scope=apim:api_view apim:api_create apim:api_publish apim:subscribe",
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ContentType.APPLICATION_FORM_URLENCODED);
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tokenEndpoint.setEntity(tokenEPPayload);
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return HandlerUtil.execute(tokenEndpoint);
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}
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/***
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* Retrieves and returns access token
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*
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* @param resp - Http Servlet Response
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||||
* @param encodedClientApp - Base64 encoded clientId:clientSecret.
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* @return Returns access token
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* @throws IOException IO exception throws if an error occurred when invoking token endpoint
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*/
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private String getAccessToken(HttpServletResponse resp, String encodedClientApp) throws IOException {
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ProxyResponse tokenResultResponse = getTokenResult(encodedClientApp);
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if (tokenResultResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
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log.error("Error occurred while invoking the API to get token data.");
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HandlerUtil.handleError(resp, tokenResultResponse);
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}
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String tokenResult = tokenResultResponse.getData();
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if (tokenResult == null) {
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log.error("Invalid token response is received.");
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HandlerUtil.handleError(resp, tokenResultResponse);
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}
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JsonParser jsonParser = new JsonParser();
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JsonElement jTokenResult = jsonParser.parse(tokenResult);
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||||
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JsonObject jTokenResultAsJsonObject = jTokenResult.getAsJsonObject();
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return jTokenResultAsJsonObject.get("access_token").getAsString();
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}
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}
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@ -0,0 +1,70 @@
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/*
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* Copyright (c) 2020, 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;
|
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|
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import io.entgra.ui.request.interceptor.util.HandlerConstants;
|
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import io.entgra.ui.request.interceptor.util.HandlerUtil;
|
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import org.apache.commons.logging.Log;
|
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import org.apache.commons.logging.LogFactory;
|
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import org.apache.http.HttpStatus;
|
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import org.wso2.carbon.device.application.mgt.common.ProxyResponse;
|
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|
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import javax.servlet.annotation.MultipartConfig;
|
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import javax.servlet.annotation.WebServlet;
|
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import javax.servlet.http.HttpServlet;
|
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import javax.servlet.http.HttpServletRequest;
|
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import javax.servlet.http.HttpServletResponse;
|
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import javax.servlet.http.HttpSession;
|
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import javax.servlet.http.Cookie;
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import java.io.IOException;
|
||||
|
||||
@MultipartConfig
|
||||
@WebServlet("/ssoLogout")
|
||||
public class SsoLogoutHandler extends HttpServlet {
|
||||
private static final Log log = LogFactory.getLog(SsoLogoutHandler.class);
|
||||
|
||||
protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
|
||||
for (String path : HandlerConstants.SSO_LOGOUT_COOKIE_PATHS) {
|
||||
removeCookie(HandlerConstants.JSESSIONID_KEY, System.getProperty("iot.core.host"), path, resp);
|
||||
}
|
||||
removeCookie(HandlerConstants.COMMON_AUTH_ID_KEY, System.getProperty("iot.core.host"), "/", resp);
|
||||
ProxyResponse proxyResponse = new ProxyResponse();
|
||||
proxyResponse.setCode(HttpStatus.SC_OK);
|
||||
|
||||
HttpSession session = req.getSession(false);
|
||||
if (session != null) {
|
||||
session.invalidate();
|
||||
}
|
||||
try {
|
||||
HandlerUtil.handleSuccess(resp, proxyResponse);
|
||||
} catch (IOException e) {
|
||||
log.error("Error occurred when processing logout request.", e);
|
||||
}
|
||||
}
|
||||
|
||||
private static void removeCookie(String cookieName, String domain,
|
||||
String path, HttpServletResponse response) {
|
||||
Cookie cookie = new Cookie(cookieName, "");
|
||||
cookie.setPath(path);
|
||||
cookie.setDomain(domain);
|
||||
cookie.setValue(null);
|
||||
cookie.setMaxAge(0);
|
||||
response.addCookie(cookie);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue