lock

nise-backend/src/main/kotlin/com/nisemoe/nise/controller/AuthController.kt

@@ -20,4 +20,17 @@ class AuthController(
         return ResponseEntity.ok(currentUser)
     }
 
+    data class IsAdminResponse(
+        val isAdmin: Boolean
+    )
+
+    @GetMapping("/auth/admin", produces = [MediaType.APPLICATION_JSON_VALUE])
+    fun isAdmin(): ResponseEntity<IsAdminResponse> {
+        if(!this.authService.isLoggedIn())
+            return ResponseEntity.status(401).build()
+
+        val isAdmin = this.authService.isAdmin()
+        return ResponseEntity.ok(IsAdminResponse(isAdmin))
+    }
+
 }

nise-frontend/src/app/metabase/metabase.component.ts

@@ -3,6 +3,8 @@ import {HttpClient} from "@angular/common/http";
 import {environment} from "../../environments/environment";
 import {NgIf} from "@angular/common";
 import {CuteLoadingComponent} from "../../corelib/components/cute-loading/cute-loading.component";
+import {UserService} from "../../corelib/service/user.service";
+import {Router} from "@angular/router";
 
 interface CreateMetabaseUserResponse {
   email: string;
@@ -29,11 +31,19 @@ export class MetabaseComponent {
   user: GetMetabaseUserResponse | null = null;
   createResponse: CreateMetabaseUserResponse | null = null;
 
-  constructor(private httpClient: HttpClient) { }
+  constructor(private httpClient: HttpClient, private userService: UserService, private router: Router) { }
 
   ngOnInit() {
+    this.userService.isAdmin().then(isAdmin => {
+      if (!isAdmin) {
+        this.router.navigate(['/']);
+      } else {
         this.getUser();
       }
+    }).catch(() => {
+      this.router.navigate(['/']);
+    });
+  }
 
   resetPassword() {
     this.httpClient.get<CreateMetabaseUserResponse>(`${environment.apiUrl}/metabase/reset`, { withCredentials: true })

nise-frontend/src/corelib/service/user.service.ts

@@ -7,6 +7,10 @@ interface UserInfo {
   username: string;
 }
 
+interface IsAdminResponse {
+  isAdmin: boolean;
+}
+
 /**
  * This stuff gets saved to localStorage ONLY.
  */
@@ -47,6 +51,20 @@ export class UserService {
     return this.currentUser !== null;
   }
 
+  public isAdmin(): Promise<boolean> {
+    return new Promise((resolve, reject) => {
+      this.httpClient.get<IsAdminResponse>(`${environment.apiUrl}/auth/admin`)
+        .subscribe({
+          next: (isAdmin) => {
+            resolve(isAdmin.isAdmin);
+          },
+          error: () => {
+            reject();
+          }
+        });
+    });
+  }
+
   public updateUser(): Promise<any> {
     return new Promise((resolve, reject) => {
       this.httpClient.get<UserInfo>(`${environment.apiUrl}/auth`)