display welcome message when user is redirected back to step 3

src/onboarding/Onboarding.vue

@@ -47,6 +47,11 @@
           </div>
 
           <div class="content" v-if="step === 3">
+            <div v-if="isAuthenticated">
+              <h1 class="h2 text-primary">Welcome {{ userName }}!</h1>
+              <hr />
+            </div>
+
             <h5>Extra permission</h5>
             <p>
               SimpleLogin extension requires the
@@ -143,8 +148,11 @@
 </template>
 
 <script>
-import { requestPermission } from "../background/permissions";
+import {requestPermission} from "../background/permissions";
 import SLStorage from "../popup/SLStorage";
+import axios from "axios";
+import {API_ROUTE} from "../popup/APIService";
+import EventManager from "../popup/EventManager";
 
 export default {
   data() {
@@ -153,9 +161,16 @@ export default {
       isChrome:
         /Chrome/.test(navigator.userAgent) &&
         /Google Inc/.test(navigator.vendor),
+      isAuthenticated: false,
+      userName: "",
     };
   },
-  async mounted() {},
+  async mounted() {
+    // maybe user redirected from the setup_done page
+    if (this.step === 3) {
+      await this.tryGetUserInfo();
+    }
+  },
   methods: {
     async goToCreateNewAccount() {
       const apiUrl = await SLStorage.get(SLStorage.SETTINGS.API_URL);
@@ -180,6 +195,26 @@ export default {
         );
       }
     },
+    async tryGetUserInfo() {
+      const apiUrl = await SLStorage.get(SLStorage.SETTINGS.API_URL);
+      const that = this;
+
+      // check api key
+      axios
+        .get(apiUrl + API_ROUTE.GET_USER_INFO.path, {
+          headers: { Authentication: this.apiKey },
+        })
+        .then(async (res) => {
+          that.userName = res.data.name || res.data.email;
+          that.isAuthenticated = true;
+
+          await SLStorage.set(SLStorage.SETTINGS.API_KEY, this.apiKey);
+          EventManager.broadcast(EventManager.EVENT.SETTINGS_CHANGED);
+        })
+        .catch((err) => {
+          // user isn't authenticated, ignore
+        });
+    },
   },
 };
 </script>