[@dhealthdapps/frontend] feat(state): add refresh interceptor for act…

…ive sessions
dhealthproject · Jan 17, 2023 · f85f974 · f85f974
1 parent b16a942
commit f85f974
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Showing 3 changed files with 35 additions and 6 deletions.
diff --git a/runtime/backend/src/common/modules/AuthModule.ts b/runtime/backend/src/common/modules/AuthModule.ts
@@ -23,6 +23,7 @@ import { QueryModule } from "../modules/QueryModule";
 import { LogModule } from "../modules/LogModule";
 import { AuthService } from "../services/AuthService";
 import { AuthStrategy } from "../traits/AuthStrategy";
+import { RefreshStrategy } from "../traits/RefreshStrategy";
 import { AuthController } from "../routes/AuthController";
 import { ValidateChallengeScheduler } from "../schedulers/ValidateChallengeScheduler";
 import {
@@ -41,7 +42,6 @@ import { AuthGateway } from "../gateways/AuthGateway";
 
 // configuration resources
 import securityConfigLoader from "../../../config/security";
-import { RefreshStrategy } from "../traits";
 const auth = securityConfigLoader().auth;
 
 /**
@@ -82,6 +82,7 @@ const auth = securityConfigLoader().auth;
     AuthGateway,
     ValidateChallengeScheduler,
     SchedulerRegistry,
+    RefreshStrategy,
   ],
   exports: [AuthService, CipherService],
 })

diff --git a/runtime/backend/src/common/schedulers/ValidateChallengeScheduler.ts b/runtime/backend/src/common/schedulers/ValidateChallengeScheduler.ts
@@ -18,11 +18,6 @@ import { ConfigService } from "@nestjs/config";
 // internal dependencies
 import { AccessTokenRequest } from "../requests/AccessTokenRequest";
 import { AccountsService } from "../services/AccountsService";
-import {
-  Account,
-  AccountDocument,
-  AccountQuery,
-} from "../models/AccountSchema";
 import { AuthService } from "../services/AuthService";
 import { LogService } from "../services/LogService";
 import { OnAuthCompleted } from "../events/OnAuthCompleted";

diff --git a/runtime/dapp-frontend-vue/src/kernel/remote/HttpRequestHandler.ts b/runtime/dapp-frontend-vue/src/kernel/remote/HttpRequestHandler.ts
@@ -13,6 +13,39 @@ import axios, { AxiosResponse } from "axios";
 // internal dependencies
 import { RequestHandler } from "./RequestHandler";
 
+// refresh flag allows to avoid infinite loop
+// in case /refresh fails with 401 unauthorized
+let refresh = false;
+// set interceptor that will call /refresh in case of status === 401
+axios.interceptors.response.use(
+  (req) => {
+    return req;
+  },
+  async (err) => {
+    const originalConfig = err.config;
+
+    if (
+      originalConfig.url !== `${process.env.VUE_APP_BACKEND_URL}/auth/token` &&
+      err.response
+    ) {
+      if (err.response.status === 401 && !refresh) {
+        refresh = true;
+
+        try {
+          await axios.get(`${process.env.VUE_APP_BACKEND_URL}/auth/refresh`, {
+            withCredentials: true,
+          });
+        } catch (err) {
+          console.log("Refresh interceptor: ", err);
+        }
+      }
+    }
+
+    refresh = false;
+    return err;
+  }
+);
+
 /**
  * @class HttpRequestHandler
  * @description This class implements a handler for API calls