forked from community/device-mgt-core
Merge branch 'master' of https://gitlab.com/entgra/carbon-device-mgt
Ace
5 years ago
commit
4b58b46d8b
@ -0,0 +1,134 @@
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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.HttpStatus;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.entity.ContentType;
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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("/default-credentials")
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public class DefaultTokenHandler extends HttpServlet {
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private static final Log log = LogFactory.getLog(DefaultTokenHandler.class);
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
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try {
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HttpSession httpSession = req.getSession(false);
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if (httpSession != null) {
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AuthData authData = (AuthData) httpSession.getAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY);
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if (authData == null) {
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HandlerUtil.sendUnAuthorizeResponse(resp);
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return;
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}
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AuthData defaultAuthData = (AuthData) httpSession
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.getAttribute(HandlerConstants.SESSION_DEFAULT_AUTH_DATA_KEY);
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if (defaultAuthData != null) {
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HandlerUtil.handleSuccess(resp, constructSuccessProxyResponse(defaultAuthData.getAccessToken()));
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return;
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}
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String clientId = authData.getClientId();
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String clientSecret = authData.getClientSecret();
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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 tokenUrl =
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req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.core.host")
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+ HandlerConstants.COLON + iotsCorePort + "/api/device-mgt/v1.0/devices/" + clientId
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+ "/" + clientSecret + "/default-token";
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HttpGet defaultTokenRequest = new HttpGet(tokenUrl);
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defaultTokenRequest
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.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
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defaultTokenRequest
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.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_FORM_URLENCODED.toString());
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ProxyResponse tokenResultResponse = HandlerUtil.execute(defaultTokenRequest);
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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 default token data.");
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HandlerUtil.handleError(resp, tokenResultResponse);
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return;
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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 default token response is received.");
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HandlerUtil.handleError(resp, tokenResultResponse);
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return;
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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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if (jTokenResult.isJsonObject()) {
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JsonObject jTokenResultAsJsonObject = jTokenResult.getAsJsonObject();
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AuthData newDefaultAuthData = new AuthData();
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newDefaultAuthData.setClientId(clientId);
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newDefaultAuthData.setClientSecret(clientSecret);
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String defaultToken = jTokenResultAsJsonObject.get("accessToken").getAsString();
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newDefaultAuthData.setAccessToken(defaultToken);
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newDefaultAuthData.setRefreshToken(jTokenResultAsJsonObject.get("refreshToken").getAsString());
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newDefaultAuthData.setScope(jTokenResultAsJsonObject.get("scopes").getAsString());
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httpSession.setAttribute(HandlerConstants.SESSION_DEFAULT_AUTH_DATA_KEY, newDefaultAuthData);
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HandlerUtil.handleSuccess(resp, constructSuccessProxyResponse(defaultToken));
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}
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} else {
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HandlerUtil.sendUnAuthorizeResponse(resp);
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}
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} catch (IOException e) {
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log.error("Error occurred when processing GET request to get default token.", e);
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}
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}
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/**
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* Get Success Proxy Response
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* @param responseString Response String
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* @return {@link ProxyResponse}
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*/
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private ProxyResponse constructSuccessProxyResponse (String responseString) {
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ProxyResponse proxyResponse = new ProxyResponse();
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proxyResponse.setCode(HttpStatus.SC_OK);
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proxyResponse.setData(responseString);
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return proxyResponse;
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}
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}
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