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Improve functionality of UI interceptor

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4.x.x
lasanthaDLPDS 5 years ago
parent 173fdd53ae
commit b5ee0bdb8c
8 changed files with 88 additions and 118 deletions
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1
components/application-mgt/org.wso2.carbon.device.application.mgt.api/src/main/java/org/wso2/carbon/device/application/mgt/api/services/impl/ConfigRetrieveAPIImpl.java
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@ -21,7 +21,6 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.device.application.mgt.api.services.ConfigRetrieveAPI;
import org.wso2.carbon.device.application.mgt.common.config.UIConfiguration;
import org.wso2.carbon.device.application.mgt.common.exception.LifecycleManagementException;
import org.wso2.carbon.device.application.mgt.common.services.AppmDataHandler;
import org.wso2.carbon.device.application.mgt.core.util.APIUtil;

5
components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/ProxyResponse.java
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@ -20,7 +20,6 @@ package org.wso2.carbon.device.application.mgt.common;
public class ProxyResponse {
private int code;
private String url;
private String data;
private String executorResponse;
@ -28,10 +27,6 @@ public class ProxyResponse {
public void setCode(int code) { this.code = code; }
public String getUrl() { return url; }
public void setUrl(String url) { this.url = url; }
public String getData() { return data; }
public void setData(String data) { this.data = data; }

44
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/InvokerHandler.java
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@ -55,6 +55,7 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
@ -91,10 +92,10 @@ public class InvokerHandler extends HttpServlet {
}
if (proxyResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API endpoint.");
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
return;
}
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
}
} catch (FileUploadException e) {
log.error("Error occurred when processing Multipart POST request.", e);
@ -119,10 +120,10 @@ public class InvokerHandler extends HttpServlet {
}
if (proxyResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API endpoint.");
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
return;
}
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
}
} catch (IOException e) {
log.error("Error occurred when processing GET request.", e);
@ -146,10 +147,10 @@ public class InvokerHandler extends HttpServlet {
}
if (proxyResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API endpoint.");
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
return;
}
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
}
} catch (FileUploadException e) {
log.error("Error occurred when processing Multipart PUT request.", e);
@ -174,10 +175,10 @@ public class InvokerHandler extends HttpServlet {
}
if (proxyResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API endpoint.");
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
return;
}
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
}
} catch (IOException e) {
log.error("Error occurred when processing DELETE request.", e);
@ -228,7 +229,13 @@ public class InvokerHandler extends HttpServlet {
*/
private String generateBackendRequestURL(HttpServletRequest req) {
StringBuilder urlBuilder = new StringBuilder();
urlBuilder.append(serverUrl).append(HandlerConstants.API_COMMON_CONTEXT).append(req.getPathInfo());
String endpointUrl = Arrays.stream(HandlerConstants.SKIPPING_API_CONTEXT)
.anyMatch(contextPath -> contextPath.contains(req.getPathInfo())) ?
serverUrl :
req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.gateway.host")
+ HandlerConstants.COLON + HandlerUtil.getGatewayPort(req.getScheme());
urlBuilder.append(endpointUrl).append(HandlerConstants.API_COMMON_CONTEXT).append(req.getPathInfo());
if (StringUtils.isNotEmpty(req.getQueryString())) {
urlBuilder.append("?").append(req.getQueryString());
}
@ -275,7 +282,7 @@ public class InvokerHandler extends HttpServlet {
if (session == null) {
log.error("Unauthorized, You are not logged in. Please log in to the portal");
handleError(req, resp, HttpStatus.SC_UNAUTHORIZED);
handleError(resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
@ -283,13 +290,13 @@ public class InvokerHandler extends HttpServlet {
platform = (String) session.getAttribute(HandlerConstants.PLATFORM);
if (authData == null) {
log.error("Unauthorized, Access token not found in the current session");
handleError(req, resp, HttpStatus.SC_UNAUTHORIZED);
handleError(resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
if (req.getMethod() == null) {
log.error("Bad Request, Request method is empty");
handleError(req, resp, HttpStatus.SC_BAD_REQUEST);
handleError(resp, HttpStatus.SC_BAD_REQUEST);
return false;
}
return true;
@ -311,7 +318,7 @@ public class InvokerHandler extends HttpServlet {
ProxyResponse proxyResponse = HandlerUtil.execute(httpRequest);
if (proxyResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API after refreshing the token.");
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
return null;
}
return proxyResponse;
@ -337,7 +344,7 @@ public class InvokerHandler extends HttpServlet {
HttpSession session = req.getSession(false);
if (session == null) {
log.error("Couldn't find a session, hence it is required to login and proceed.");
handleError(req, resp, HttpStatus.SC_UNAUTHORIZED);
handleError(resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
@ -354,7 +361,7 @@ public class InvokerHandler extends HttpServlet {
ProxyResponse tokenResultResponse = HandlerUtil.execute(tokenEndpoint);
if (tokenResultResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while refreshing access token.");
HandlerUtil.handleError(req, resp, serverUrl, platform, tokenResultResponse);
HandlerUtil.handleError(resp, tokenResultResponse);
return false;
}
@ -378,24 +385,23 @@ public class InvokerHandler extends HttpServlet {
}
log.error("Error Occurred in token renewal process.");
handleError(req, resp, HttpStatus.SC_INTERNAL_SERVER_ERROR);
handleError(resp, HttpStatus.SC_INTERNAL_SERVER_ERROR);
return false;
}
/**
* Handle error requests
*
* @param req {@link HttpServletRequest}
* @param resp {@link HttpServletResponse}
* @param errorCode HTTP error status code
* @throws IOException If error occurred when trying to send the error response.
*/
private static void handleError(HttpServletRequest req, HttpServletResponse resp, int errorCode)
private static void handleError(HttpServletResponse resp, int errorCode)
throws IOException {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(errorCode);
proxyResponse.setExecutorResponse(
HandlerConstants.EXECUTOR_EXCEPTION_PREFIX + HandlerUtil.getStatusKey(errorCode));
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
}
}

58
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/LoginHandler.java
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@ -56,14 +56,13 @@ public class LoginHandler extends HttpServlet {
private static String username;
private static String password;
private static String platform;
private static String serverUrl;
private static String gatewayUrl;
private static String uiConfigUrl;
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
try {
validateLoginRequest(req, resp);
validateLoginRequest(req);
HttpSession httpSession = req.getSession(false);
if (httpSession != null) {
httpSession.invalidate();
@ -79,14 +78,14 @@ public class LoginHandler extends HttpServlet {
if (!StringUtils.isEmpty(executorResponse) && executorResponse
.contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while getting UI configurations by invoking " + uiConfigUrl);
HandlerUtil.handleError(req, resp, serverUrl, platform, uiConfigResponse);
HandlerUtil.handleError(resp, uiConfigResponse);
return;
}
String uiConfig = uiConfigResponse.getData();
if (uiConfig == null){
log.error("UI config retrieval is failed, and didn't find UI configuration for App manager.");
HandlerUtil.handleError(req, resp, serverUrl, platform, null);
HandlerUtil.handleError(resp, null);
return;
}
JsonElement uiConfigJsonElement = jsonParser.parse(uiConfigResponse.getData());
@ -94,12 +93,12 @@ public class LoginHandler extends HttpServlet {
if (uiConfigJsonElement.isJsonObject()) {
uiConfigJsonObject = uiConfigJsonElement.getAsJsonObject();
httpSession.setAttribute(HandlerConstants.UI_CONFIG_KEY, uiConfigJsonObject);
httpSession.setAttribute(HandlerConstants.PLATFORM, serverUrl);
httpSession.setAttribute(HandlerConstants.PLATFORM, gatewayUrl);
}
if (uiConfigJsonObject == null) {
log.error(
"Either UI config json element is not an json object or converting rom json element to json object is failed.");
HandlerUtil.handleError(req, resp, serverUrl, platform, null);
HandlerUtil.handleError(resp, null);
return;
}
@ -111,7 +110,7 @@ public class LoginHandler extends HttpServlet {
log.debug("SSO is enabled");
} else {
// default login
HttpPost apiRegEndpoint = new HttpPost(serverUrl + HandlerConstants.APP_REG_ENDPOINT);
HttpPost apiRegEndpoint = new HttpPost(gatewayUrl + HandlerConstants.APP_REG_ENDPOINT);
apiRegEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC + Base64.getEncoder()
.encodeToString((username + HandlerConstants.COLON + password).getBytes()));
apiRegEndpoint.setHeader(HTTP.CONTENT_TYPE, ContentType.APPLICATION_JSON.toString());
@ -120,18 +119,17 @@ public class LoginHandler extends HttpServlet {
ProxyResponse clientAppResponse = HandlerUtil.execute(apiRegEndpoint);
if (clientAppResponse.getCode() == HttpStatus.SC_UNAUTHORIZED){
HandlerUtil.handleError(req, resp, serverUrl, platform, clientAppResponse);
HandlerUtil.handleError(resp, clientAppResponse);
return;
}
if (clientAppResponse.getCode() == HttpStatus.SC_CREATED && getTokenAndPersistInSession(req, resp,
clientAppResponse.getData(), scopes)) {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_OK);
proxyResponse.setUrl(serverUrl + HandlerConstants.PATH_SEPARATOR + platform);
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
return;
}
HandlerUtil.handleError(req, resp, serverUrl, platform, null);
HandlerUtil.handleError(resp, null);
}
} catch (IOException e) {
log.error("Error occurred while sending the response into the socket. ", e);
@ -165,13 +163,13 @@ public class LoginHandler extends HttpServlet {
if (tokenResultResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while invoking the API to get token data.");
HandlerUtil.handleError(req, resp, serverUrl, platform, tokenResultResponse);
HandlerUtil.handleError(resp, tokenResultResponse);
return false;
}
String tokenResult = tokenResultResponse.getData();
if (tokenResult == null){
log.error("Invalid token response is received.");
HandlerUtil.handleError(req, resp, serverUrl, platform, tokenResultResponse);
HandlerUtil.handleError(resp, tokenResultResponse);
return false;
}
@ -222,28 +220,21 @@ public class LoginHandler extends HttpServlet {
* @param req - {@link HttpServletRequest}
* Define username and password static parameters.
*/
private static void validateLoginRequest(HttpServletRequest req, HttpServletResponse resp) throws LoginException {
private static void validateLoginRequest(HttpServletRequest req) throws LoginException {
String gatewayCarbonPort = System.getProperty("iot.gateway.carbon.https.port");
if (HandlerConstants.HTTP_PROTOCOL.equals(req.getScheme())){
gatewayCarbonPort = System.getProperty("iot.gateway.carbon.http.port");
}
username = req.getParameter("username");
password = req.getParameter("password");
platform = req.getParameter(HandlerConstants.PLATFORM);
serverUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + req.getServerName() + HandlerConstants.COLON
+ System.getProperty("iot.gateway.https.port");
gatewayUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.gateway.host")
+ HandlerConstants.COLON + HandlerUtil.getGatewayPort(req.getScheme());
uiConfigUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + req.getServerName() + HandlerConstants.COLON
+ System.getProperty("iot.gateway.carbon.https.port") + HandlerConstants.UI_CONFIG_ENDPOINT;
try {
if (platform == null) {
resp.sendRedirect(serverUrl + HandlerConstants.DEFAULT_ERROR_CALLBACK);
throw new LoginException("Invalid login request. Platform parameter is Null.");
}
+ gatewayCarbonPort + HandlerConstants.UI_CONFIG_ENDPOINT;
if (username == null || password == null) {
resp.sendRedirect(serverUrl + HandlerConstants.PATH_SEPARATOR + platform
+ HandlerConstants.DEFAULT_ERROR_CALLBACK);
throw new LoginException(
" Invalid login request. Username or Password is not received for login request.");
}
} catch (IOException e) {
throw new LoginException("Error occurred while redirecting to default error page.", e);
String msg = "Invalid login request. Username or Password is not received for login request.";
log.error(msg);
throw new LoginException(msg);
}
}
@ -271,8 +262,7 @@ public class LoginHandler extends HttpServlet {
* @throws IOException IO exception throws if an error occurred when invoking token endpoint
*/
private ProxyResponse getTokenResult(String encodedClientApp, JsonArray scopes) throws IOException {
HttpPost tokenEndpoint = new HttpPost(serverUrl + HandlerConstants.TOKEN_ENDPOINT);
HttpPost tokenEndpoint = new HttpPost(gatewayUrl + HandlerConstants.TOKEN_ENDPOINT);
tokenEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC + encodedClientApp);
tokenEndpoint.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_FORM_URLENCODED.toString());
String scopeString = getScopeString(scopes);

6
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/LogoutHandler.java
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@ -38,9 +38,6 @@ public class LogoutHandler extends HttpServlet {
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
String serverUrl = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + req.getServerName()
+ HandlerConstants.COLON + req.getServerPort();
String platform = req.getParameter(HandlerConstants.PLATFORM);
HttpSession httpSession = req.getSession(false);
if (httpSession != null) {
httpSession.invalidate();
@ -50,9 +47,8 @@ public class LogoutHandler extends HttpServlet {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_OK);
proxyResponse.setUrl(serverUrl + HandlerConstants.PATH_SEPARATOR + platform + HandlerConstants.LOGIN_PAGE);
try {
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
} catch (IOException e) {
log.error("Error occurred when processing logout request.", e);
}

30
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/UserHandler.java
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@ -25,7 +25,6 @@ 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;
@ -52,24 +51,18 @@ public class UserHandler extends HttpServlet {
@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)) {
sendUnAuthorizeResponse(req, resp, serverUrl, platform);
return;
}
req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.gateway.host")
+ HandlerConstants.COLON + HandlerUtil.getGatewayPort(req.getScheme());
HttpSession httpSession = req.getSession(false);
if (httpSession == null) {
sendUnAuthorizeResponse(req, resp, serverUrl, platform);
sendUnAuthorizeResponse(resp);
return;
}
AuthData authData = (AuthData) httpSession.getAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY);
if (authData == null) {
sendUnAuthorizeResponse(req, resp, serverUrl, platform);
sendUnAuthorizeResponse(resp);
return;
}
@ -84,13 +77,13 @@ public class UserHandler extends HttpServlet {
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);
HandlerUtil.handleError(resp, tokenStatus);
return;
}
String tokenData = tokenStatus.getData();
if (tokenData == null) {
log.error("Invalid token data is received.");
HandlerUtil.handleError(req, resp, serverUrl, platform, tokenStatus);
HandlerUtil.handleError(resp, tokenStatus);
return;
}
JsonParser jsonParser = new JsonParser();
@ -98,14 +91,14 @@ public class UserHandler extends HttpServlet {
if (jTokenResult.isJsonObject()) {
JsonObject jTokenResultAsJsonObject = jTokenResult.getAsJsonObject();
if (!jTokenResultAsJsonObject.get("active").getAsBoolean()) {
sendUnAuthorizeResponse(req, resp, serverUrl, platform);
sendUnAuthorizeResponse(resp);
return;
}
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_OK);
proxyResponse.setData(
jTokenResultAsJsonObject.get("username").getAsString().replaceAll("@carbon.super", ""));
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleSuccess(resp, proxyResponse);
}
} catch (IOException e) {
log.error("Error occurred while sending the response into the socket. ", e);
@ -117,17 +110,14 @@ public class UserHandler extends HttpServlet {
/**
* Send UnAuthorized Response to the user
*
* @param req HttpServletRequest object
* @param resp HttpServletResponse object
* @param serverUrl Url of the server
* @param platform Requested platform
*/
private void sendUnAuthorizeResponse(HttpServletRequest req, HttpServletResponse resp, String serverUrl, String platform)
private void sendUnAuthorizeResponse(HttpServletResponse resp)
throws IOException {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(HttpStatus.SC_UNAUTHORIZED);
proxyResponse.setExecutorResponse(
HandlerConstants.EXECUTOR_EXCEPTION_PREFIX + HandlerUtil.getStatusKey(HttpStatus.SC_UNAUTHORIZED));
HandlerUtil.handleError(req, resp, serverUrl, platform, proxyResponse);
HandlerUtil.handleError(resp, proxyResponse);
}
}

6
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/util/HandlerConstants.java
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@ -34,15 +34,15 @@ public class HandlerConstants {
public static final String PLATFORM = "platform";
public static final String USERNAME = "username";
public static final String PASSWORD = "password";
public static final String DEFAULT_ERROR_CALLBACK = "/pages/error/default";
public static final String ERROR_CALLBACK_KEY = "errorCallback";
public static final String API_COMMON_CONTEXT = "/api";
public static final String EXECUTOR_EXCEPTION_PREFIX = "ExecutorException-";
public static final String TOKEN_IS_EXPIRED = "ACCESS_TOKEN_IS_EXPIRED";
public static final String SCHEME_SEPARATOR = "://";
public static final String COLON = ":";
public static final String PATH_SEPARATOR = "/";
public static final String HTTP_PROTOCOL = "http";
public static final String[] SKIPPING_API_CONTEXT = {"artifact", "conf"};
public static final int INTERNAL_ERROR_CODE = 500;
public static final long TIMEOUT = 1200;

54
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/util/HandlerUtil.java
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@ -58,6 +58,8 @@ public class HandlerUtil {
ProxyResponse proxyResponse = new ProxyResponse();
if (response == null) {
log.error("Received null response for http request : " + httpRequest.getMethod() + " " + httpRequest
.getURI().toString());
proxyResponse.setCode(HandlerConstants.INTERNAL_ERROR_CODE);
proxyResponse.setExecutorResponse(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX + getStatusKey(
HandlerConstants.INTERNAL_ERROR_CODE));
@ -84,6 +86,9 @@ public class HandlerUtil {
proxyResponse.setExecutorResponse(HandlerConstants.TOKEN_IS_EXPIRED);
return proxyResponse;
} else {
log.error(
"Received " + statusCode + " response for http request : " + httpRequest.getMethod()
+ " " + httpRequest.getURI().toString() + ". Error message: " + jsonString);
proxyResponse.setCode(statusCode);
proxyResponse.setData(jsonString);
proxyResponse.setExecutorResponse(
@ -91,6 +96,9 @@ public class HandlerUtil {
return proxyResponse;
}
}
log.error("Received " + statusCode +
" response for http request : " + httpRequest.getMethod() + " " + httpRequest.getURI()
.toString() + ". Error message: " + jsonString);
proxyResponse.setCode(statusCode);
proxyResponse.setData(jsonString);
proxyResponse
@ -147,10 +155,7 @@ public class HandlerUtil {
* @param resp {@link HttpServletResponse}
* Return Error Response.
*/
public static void handleError(HttpServletRequest req, HttpServletResponse resp, String serverUrl,
String platform, ProxyResponse proxyResponse) throws IOException {
HttpSession httpSession = req.getSession(true);
public static void handleError(HttpServletResponse resp, ProxyResponse proxyResponse) throws IOException {
Gson gson = new Gson();
if (proxyResponse == null){
proxyResponse = new ProxyResponse();
@ -158,27 +163,10 @@ public class HandlerUtil {
proxyResponse.setExecutorResponse(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX + HandlerUtil
.getStatusKey(HandlerConstants.INTERNAL_ERROR_CODE));
}
if (platform == null){
platform = "default";
}
resp.setStatus(proxyResponse.getCode());
resp.setContentType(ContentType.APPLICATION_JSON.getMimeType());
resp.setCharacterEncoding(Consts.UTF_8.name());
if (httpSession != null) {
JsonObject uiConfig = (JsonObject) httpSession.getAttribute(HandlerConstants.UI_CONFIG_KEY);
if (uiConfig == null){
proxyResponse.setUrl(serverUrl + "/" + platform + HandlerConstants.DEFAULT_ERROR_CALLBACK);
} else{
proxyResponse.setUrl(serverUrl + uiConfig.get(HandlerConstants.ERROR_CALLBACK_KEY).getAsJsonObject()
.get(proxyResponse.getExecutorResponse().split(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)[1])
.getAsString());
}
} else {
proxyResponse.setUrl(serverUrl + "/" + platform + HandlerConstants.DEFAULT_ERROR_CALLBACK);
}
proxyResponse.setExecutorResponse(null);
try (PrintWriter writer = resp.getWriter()) {
writer.write(gson.toJson(proxyResponse));
@ -190,24 +178,17 @@ public class HandlerUtil {
* @param resp {@link HttpServletResponse}
* Return Success Response.
*/
public static void handleSuccess(HttpServletRequest req, HttpServletResponse resp, String serverUrl,
String platform, ProxyResponse proxyResponse) throws IOException {
public static void handleSuccess(HttpServletResponse resp, ProxyResponse proxyResponse) throws IOException {
if (proxyResponse == null){
handleError(req, resp, serverUrl, platform, null);
handleError(resp, null);
return;
}
resp.setStatus(proxyResponse.getCode());
resp.setContentType(ContentType.APPLICATION_JSON.getMimeType());
resp.setCharacterEncoding(Consts.UTF_8.name());
JSONObject response = new JSONObject();
String redirectUrl = proxyResponse.getUrl();
String responseData = proxyResponse.getData();
if (!StringUtils.isEmpty(redirectUrl)){
response.put("url", redirectUrl);
}
if (!StringUtils.isEmpty(responseData)){
try {
JSONObject responseDataJsonObj = new JSONObject(responseData);
@ -223,4 +204,17 @@ public class HandlerUtil {
}
}
/**
* Get gatway port according to request recieved scheme
* @param scheme https or https
* @return {@link String} gateway port
*/
public static String getGatewayPort(String scheme) {
String gatewayPort = System.getProperty("iot.gateway.https.port");
if (HandlerConstants.HTTP_PROTOCOL.equals(scheme)) {
gatewayPort = System.getProperty("iot.gateway.http.port");
}
return gatewayPort;
}
}

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