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Improve refresh token handling mechanism

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merge-requests/789/head
Vigneshan Seshamany 3 years ago
parent 0eb74d9f60
commit b9d591adb5
2 changed files with 23 additions and 122 deletions
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129
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/InvokerHandler.java
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@ -18,9 +18,6 @@
package io.entgra.ui.request.interceptor;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import io.entgra.ui.request.interceptor.beans.AuthData;
import io.entgra.ui.request.interceptor.util.HandlerConstants;
import io.entgra.ui.request.interceptor.util.HandlerUtil;
@ -43,7 +40,6 @@ import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.cookie.SM;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.InputStreamBody;
@ -84,7 +80,7 @@ public class InvokerHandler extends HttpServlet {
ProxyResponse proxyResponse = HandlerUtil.execute(postRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
proxyResponse = retryRequestWithRefreshedToken(req, resp, postRequest);
proxyResponse = HandlerUtil.retryRequestWithRefreshedToken(req, resp, postRequest, apiEndpoint);
if (proxyResponse == null) {
return;
}
@ -112,16 +108,20 @@ public class InvokerHandler extends HttpServlet {
getRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = HandlerUtil.execute(getRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
proxyResponse = retryRequestWithRefreshedToken(req, resp, getRequest);
proxyResponse = HandlerUtil.retryRequestWithRefreshedToken(req, resp, getRequest, apiEndpoint);
if (proxyResponse == null) {
return;
}
}
if (proxyResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
if (proxyResponse.getCode() == HttpStatus.SC_UNAUTHORIZED) {
proxyResponse = HandlerUtil.retryRequestWithRefreshedToken(req, resp, getRequest, apiEndpoint);
} else {
log.error("Error occurred while invoking the GET API endpoint.");
HandlerUtil.handleError(resp, proxyResponse);
return;
}
}
HandlerUtil.handleSuccess(resp, proxyResponse);
}
} catch (IOException e) {
@ -138,7 +138,7 @@ public class InvokerHandler extends HttpServlet {
headRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = HandlerUtil.execute(headRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
proxyResponse = retryRequestWithRefreshedToken(req, resp, headRequest);
proxyResponse = HandlerUtil.retryRequestWithRefreshedToken(req, resp, headRequest, apiEndpoint);
if (proxyResponse == null) {
return;
}
@ -165,7 +165,7 @@ public class InvokerHandler extends HttpServlet {
ProxyResponse proxyResponse = HandlerUtil.execute(putRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
proxyResponse = retryRequestWithRefreshedToken(req, resp, putRequest);
proxyResponse = HandlerUtil.retryRequestWithRefreshedToken(req, resp, putRequest, apiEndpoint);
if (proxyResponse == null) {
return;
}
@ -193,7 +193,7 @@ public class InvokerHandler extends HttpServlet {
deleteRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = HandlerUtil.execute(deleteRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
proxyResponse = retryRequestWithRefreshedToken(req, resp, deleteRequest);
proxyResponse = HandlerUtil.retryRequestWithRefreshedToken(req, resp, deleteRequest, apiEndpoint);
if (proxyResponse == null) {
return;
}
@ -304,7 +304,7 @@ public class InvokerHandler extends HttpServlet {
apiEndpoint = System.getProperty("iot.reporting.webapp.host");
if (StringUtils.isBlank(apiEndpoint)){
log.error("Reporting Endpoint is not defined in the iot-server.sh properly.");
handleError(resp, HttpStatus.SC_INTERNAL_SERVER_ERROR);
HandlerUtil.handleError(resp, HttpStatus.SC_INTERNAL_SERVER_ERROR);
return false;
}
}
@ -312,125 +312,22 @@ public class InvokerHandler extends HttpServlet {
HttpSession session = req.getSession(false);
if (session == null) {
log.error("Unauthorized, You are not logged in. Please log in to the portal");
handleError(resp, HttpStatus.SC_UNAUTHORIZED);
HandlerUtil.handleError(resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
authData = (AuthData) session.getAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY);
if (authData == null) {
log.error("Unauthorized, Access token not found in the current session");
handleError(resp, HttpStatus.SC_UNAUTHORIZED);
HandlerUtil.handleError(resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
if (req.getMethod() == null) {
log.error("Bad Request, Request method is empty");
handleError(resp, HttpStatus.SC_BAD_REQUEST);
HandlerUtil.handleError(resp, HttpStatus.SC_BAD_REQUEST);
return false;
}
return true;
}
/**
* Retry request again after refreshing the access token
*
* @param req incoming {@link HttpServletRequest}
* @param resp resp {@link HttpServletResponse}
* @param httpRequest subclass of {@link HttpRequestBase} related to the current request.
* @return {@link ProxyResponse} if successful and <code>null</code> if failed.
* @throws IOException If an error occurs when try to retry the request.
*/
private ProxyResponse retryRequestWithRefreshedToken(HttpServletRequest req, HttpServletResponse resp,
HttpRequestBase httpRequest) throws IOException {
if (refreshToken(req, resp)) {
httpRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
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(resp, proxyResponse);
return null;
}
return proxyResponse;
}
return null;
}
/***
* This method is responsible to get the refresh token
*
* @param req {@link HttpServletRequest}
* @param resp {@link HttpServletResponse}
* @return If successfully renew tokens, returns TRUE otherwise return FALSE
* @throws IOException If an error occurs while witting error response to client side or invoke token renewal API
*/
private static boolean refreshToken(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
if (log.isDebugEnabled()) {
log.debug("refreshing the token");
}
HttpPost tokenEndpoint = new HttpPost(
apiEndpoint + HandlerConstants.TOKEN_ENDPOINT);
HttpSession session = req.getSession(false);
if (session == null) {
log.error("Couldn't find a session, hence it is required to login and proceed.");
handleError(resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
StringEntity tokenEndpointPayload = new StringEntity(
"grant_type=refresh_token&refresh_token=" + authData.getRefreshToken() + "&scope=PRODUCTION",
ContentType.APPLICATION_FORM_URLENCODED);
tokenEndpoint.setEntity(tokenEndpointPayload);
String encodedClientApp = authData.getEncodedClientApp();
tokenEndpoint.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BASIC +
encodedClientApp);
tokenEndpoint.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_FORM_URLENCODED.toString());
ProxyResponse tokenResultResponse = HandlerUtil.execute(tokenEndpoint);
if (tokenResultResponse.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
log.error("Error occurred while refreshing access token.");
HandlerUtil.handleError(resp, tokenResultResponse);
return false;
}
JsonParser jsonParser = new JsonParser();
JsonElement jTokenResult = jsonParser.parse(tokenResultResponse.getData());
if (jTokenResult.isJsonObject()) {
JsonObject jTokenResultAsJsonObject = jTokenResult.getAsJsonObject();
AuthData newAuthData = new AuthData();
newAuthData.setAccessToken(jTokenResultAsJsonObject.get("access_token").getAsString());
newAuthData.setRefreshToken(jTokenResultAsJsonObject.get("refresh_token").getAsString());
newAuthData.setScope(jTokenResultAsJsonObject.get("scope").getAsString());
newAuthData.setClientId(authData.getClientId());
newAuthData.setClientSecret(authData.getClientSecret());
newAuthData.setEncodedClientApp(authData.getEncodedClientApp());
newAuthData.setUsername(authData.getUsername());
authData = newAuthData;
session.setAttribute(HandlerConstants.SESSION_AUTH_DATA_KEY, newAuthData);
return true;
}
log.error("Error Occurred in token renewal process.");
handleError(resp, HttpStatus.SC_INTERNAL_SERVER_ERROR);
return false;
}
/**
* Handle error requests
*
* @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(HttpServletResponse resp, int errorCode)
throws IOException {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(errorCode);
proxyResponse.setExecutorResponse(
HandlerConstants.EXECUTOR_EXCEPTION_PREFIX + HandlerUtil.getStatusKey(errorCode));
HandlerUtil.handleError(resp, proxyResponse);
}
}

4
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/UserHandler.java
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@ -76,10 +76,14 @@ public class UserHandler extends HttpServlet {
ProxyResponse tokenStatus = HandlerUtil.execute(tokenEndpoint);
if (tokenStatus.getExecutorResponse().contains(HandlerConstants.EXECUTOR_EXCEPTION_PREFIX)) {
if (tokenStatus.getCode() == HttpStatus.SC_UNAUTHORIZED) {
tokenStatus = HandlerUtil.retryRequestWithRefreshedToken(req, resp, tokenEndpoint, serverUrl);
} else {
log.error("Error occurred while invoking the API to get token status.");
HandlerUtil.handleError(resp, tokenStatus);
return;
}
}
String tokenData = tokenStatus.getData();
if (tokenData == null) {
log.error("Invalid token data is received.");

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