From fe6b8a898466b2a582506624d17b101cec56dadc Mon Sep 17 00:00:00 2001
From: Bastian Wagner <bastian.wagner@softconcis.de>
Date: Thu, 5 Sep 2024 12:01:05 +0200
Subject: [PATCH] session guard

---
 idp_client/src/app/app.routes.ts              |  3 +-
 .../src/app/core/guards/session-key.guard.ts  | 79 +++++++++++++++++++
 2 files changed, 81 insertions(+), 1 deletion(-)
 create mode 100644 idp_client/src/app/core/guards/session-key.guard.ts

diff --git a/idp_client/src/app/app.routes.ts b/idp_client/src/app/app.routes.ts
index 5f7aa2b..968d12c 100644
--- a/idp_client/src/app/app.routes.ts
+++ b/idp_client/src/app/app.routes.ts
@@ -2,9 +2,10 @@ import { Routes } from '@angular/router';
 import { LoginComponent } from './auth/login/login.component';
 import { RegisterComponent } from './auth/register/register.component';
 import { DashboardComponent } from './dashboard/dashboard.component';
+import { SessionKeyGuard } from './core/guards/session-key.guard';
 
 export const routes: Routes = [
-    { path: 'login', component: LoginComponent },
+    { path: 'login', component: LoginComponent, canActivate: [SessionKeyGuard] },
     { path: 'register', component: RegisterComponent },
     { path: 'dashboard', component: DashboardComponent },
     { path: '', component: LoginComponent },
diff --git a/idp_client/src/app/core/guards/session-key.guard.ts b/idp_client/src/app/core/guards/session-key.guard.ts
new file mode 100644
index 0000000..6f80fd2
--- /dev/null
+++ b/idp_client/src/app/core/guards/session-key.guard.ts
@@ -0,0 +1,79 @@
+import { HttpClient } from "@angular/common/http";
+import { inject, Injectable } from "@angular/core";
+import { ActivatedRouteSnapshot, Router } from "@angular/router";
+
+import { HotToastService } from "@ngxpert/hot-toast";
+import { UserService } from "../../auth/user.service";
+import { User } from "../../model/user.interface";
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SessionKeyGuard {
+  public isLoading = false;
+  private http = inject(HttpClient);
+  private toast = inject(HotToastService);
+  private userService = inject(UserService);
+  private router = inject(Router);
+  private redirectUri;
+  private client_id;
+  async canActivate(route: ActivatedRouteSnapshot):
+    Promise<boolean> {
+      this.isLoading = true;
+
+      const success = await this.loginWithSessionId(route);
+      console.log("LOGIN:  ", success)
+      return success;
+      
+
+  }
+
+  async loginWithSessionId(route: ActivatedRouteSnapshot): Promise<boolean> {
+    
+
+    return new Promise(resolve => {
+        const params = (route.queryParamMap as any)["params"];
+        this.redirectUri = params.redirect_uri;
+        this.client_id = params.client_id;
+        const id = window.localStorage.getItem("auth_session_key");
+        if (!id ||id.length < 2) { return resolve(true); }
+
+        const url = this.client_id ? 'api/auth/login-with-session-id' : 'api/auth/login-with-session-id/userlogin'
+
+        this.http.post(url, {
+            code: id,
+            client_id: this.client_id
+          }).pipe(
+            this.toast.observe({
+              loading: 'Logging in...',
+              success: 'Logged in',
+              error: 'Invalid session, please log in with your credentials'
+            })
+          ).subscribe({
+            next: (data) => {
+              this.handleLoginData(data, resolve);
+            },
+            error: (error) => {
+              console.error(error);
+            }
+          });
+    })
+  }
+
+  private handleLoginData(data: any, resolve: any) {
+    if (data["code"] != null) {
+      if (this.redirectUri) {
+        location.href = this.redirectUri + "?code=" + data["code"];
+        resolve(true);
+      }
+    } else if (data["id"] != null) {
+      this.userService.user = data as User;
+      resolve(false);
+      this.navigateToDashboard();
+    }
+  }
+
+  private navigateToDashboard() {
+    this.router.navigateByUrl("/dashboard");
+  }
+}
\ No newline at end of file