Add unauthGuard and lockGuard to prevent unintended navigation (#351)

* Lift web repo unauthGuardService up to jslib

* Add lockGuard (requires vault to be locked)

* Fix linting

src/angular/services/lock-guard.service.ts

@@ -0,0 +1,29 @@
+import { Injectable } from '@angular/core';
+import {
+    CanActivate,
+    Router,
+} from '@angular/router';
+
+import { UserService } from '../../abstractions/user.service';
+import { VaultTimeoutService } from '../../abstractions/vaultTimeout.service';
+
+@Injectable()
+export class LockGuardService implements CanActivate {
+    constructor(private vaultTimeoutService: VaultTimeoutService, private userService: UserService,
+        private router: Router) { }
+
+    async canActivate() {
+        const locked = await this.vaultTimeoutService.isLocked();
+        if (!locked) {
+            const isAuthed = await this.userService.isAuthenticated();
+            if (!isAuthed) {
+                this.router.navigate(['login']);
+            } else {
+                this.router.navigate(['vault']);
+            }
+            return false;
+        }
+
+        return true;
+    }
+}

src/angular/services/unauth-guard.service.ts

@@ -0,0 +1,29 @@
+import { Injectable } from '@angular/core';
+import {
+    CanActivate,
+    Router,
+} from '@angular/router';
+
+import { UserService } from '../../abstractions/user.service';
+import { VaultTimeoutService } from '../../abstractions/vaultTimeout.service';
+
+@Injectable()
+export class UnauthGuardService implements CanActivate {
+    constructor(private vaultTimeoutService: VaultTimeoutService, private userService: UserService,
+        private router: Router) { }
+
+    async canActivate() {
+        const isAuthed = await this.userService.isAuthenticated();
+        if (isAuthed) {
+            const locked = await this.vaultTimeoutService.isLocked();
+            if (locked) {
+                this.router.navigate(['lock']);
+            } else {
+                this.router.navigate(['vault']);
+            }
+            return false;
+        }
+
+        return true;
+    }
+}