Merge pull request #4971 from FinnStutzenstein/anonymousImprovements

Improves the sidebar for anonymous users and routing

client/src/app/core/core-services/app-load.service.ts

@@ -11,11 +11,11 @@ import { CollectionStringMapperService } from './collection-string-mapper.servic
 import { CommonAppConfig } from '../../site/common/common.config';
 import { ConfigAppConfig } from '../../site/config/config.config';
 import { ServicesToLoadOnAppsLoaded } from '../core.module';
+import { FallbackRoutesService } from './fallback-routes.service';
 import { MainMenuService } from './main-menu.service';
 import { MediafileAppConfig } from '../../site/mediafiles/mediafile.config';
 import { MotionsAppConfig } from '../../site/motions/motions.config';
 import { OnAfterAppsLoaded } from '../definitions/on-after-apps-loaded';
-import { plugins } from '../../../plugins';
 import { SearchService } from '../ui-services/search.service';
 import { isSearchable } from '../../site/base/searchable';
 import { TagAppConfig } from '../../site/tags/tag.config';
@@ -56,17 +56,11 @@ export class AppLoadService {
         private modelMapper: CollectionStringMapperService,
         private mainMenuService: MainMenuService,
         private searchService: SearchService,
-        private injector: Injector
+        private injector: Injector,
+        private fallbackRoutesService: FallbackRoutesService
     ) {}
 
     public async loadApps(): Promise<void> {
-        if (plugins.length) {
-            console.log('plugins: ', plugins);
-        }
-        /*for (const pluginName of plugins) {
-            const plugin = await import('../../../../../plugins/' + pluginName + '/' + pluginName);
-            plugin.main();
-        }*/
         const repositories: OnAfterAppsLoaded[] = [];
         appConfigs.forEach((config: AppConfig) => {
             if (config.models) {
@@ -92,6 +86,7 @@ export class AppLoadService {
             }
             if (config.mainMenuEntries) {
                 this.mainMenuService.registerEntries(config.mainMenuEntries);
+                this.fallbackRoutesService.registerFallbackEntries(config.mainMenuEntries);
             }
         });
 

client/src/app/core/core-services/auth-guard.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@angular/core';
 import { ActivatedRouteSnapshot, CanActivate, CanActivateChild, Router } from '@angular/router';
 
+import { FallbackRoutesService } from './fallback-routes.service';
 import { OpenSlidesService } from './openslides.service';
 import { OperatorService } from './operator.service';
 
@@ -21,7 +22,8 @@ export class AuthGuard implements CanActivate, CanActivateChild {
     public constructor(
         private router: Router,
         private operator: OperatorService,
-        private openSlidesService: OpenSlidesService
+        private openSlidesService: OpenSlidesService,
+        private fallbackRoutesService: FallbackRoutesService
     ) {}
 
     /**
@@ -56,13 +58,34 @@ export class AuthGuard implements CanActivate, CanActivateChild {
         if (this.canActivate(route)) {
             return true;
         } else {
-            this.openSlidesService.redirectUrl = location.pathname;
-            this.router.navigate(['/error'], {
-                queryParams: {
-                    error: 'Authentication Error',
-                    msg: route.data.basePerm
-                }
-            });
+            this.handleForbiddenRoute(route);
         }
     }
+
+    /**
+     * Handles a forbidden route. If the route is "/" (start page), It is tried to
+     * use a fallback route provided by AuthGuardFallbackRoutes. If this won't work
+     * or it wasn't the start page in the first place, the operator will be redirected
+     * to an error page.
+     */
+    private handleForbiddenRoute(route: ActivatedRouteSnapshot): void {
+        if (route.url.length === 0) {
+            // start page
+            const fallbackRoute = this.fallbackRoutesService.getFallbackRoute();
+            if (fallbackRoute) {
+                this.router.navigate([fallbackRoute]);
+                return;
+            }
+        }
+        // Fall-through: If the url is the start page, but no other fallback was found,
+        // navigate to the error page.
+
+        this.openSlidesService.redirectUrl = location.pathname;
+        this.router.navigate(['/error'], {
+            queryParams: {
+                error: 'Authentication Error',
+                msg: route.data.basePerm
+            }
+        });
+    }
 }

client/src/app/core/core-services/fallback-routes.service.ts

@@ -0,0 +1,43 @@
+import { Injectable } from '@angular/core';
+
+import { OperatorService } from './operator.service';
+
+export interface AuthGuardFallbackEntry {
+    route: string;
+    weight: number;
+    permission: string;
+}
+
+/**
+ * Classical Auth-Guard. Checks if the user has to correct permissions to enter a page, and forwards to login if not.
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class FallbackRoutesService {
+    private fallbackEntries: AuthGuardFallbackEntry[] = [];
+
+    /**
+     * Constructor
+     *
+     * @param operator Asking for the required permission
+     */
+    public constructor(private operator: OperatorService) {}
+
+    /**
+     * Adds fallback navigation entries for the start page.
+     * @param entries The entries to add
+     */
+    public registerFallbackEntries(entries: AuthGuardFallbackEntry[]): void {
+        this.fallbackEntries.push(...entries);
+        this.fallbackEntries = this.fallbackEntries.sort((a, b) => a.weight - b.weight);
+    }
+
+    public getFallbackRoute(): string | null {
+        for (const entry of this.fallbackEntries) {
+            if (this.operator.hasPerms(entry.permission)) {
+                return entry.route;
+            }
+        }
+    }
+}

client/src/app/core/core-services/offline.service.ts

@@ -30,16 +30,20 @@ export class OfflineService {
      * Sets the offline flag. Restores the DataStoreService to the last known configuration.
      */
     public goOfflineBecauseFailedWhoAmI(): void {
+        if (!this.offline.getValue()) {
+            console.log('offline because whoami failed.');
+        }
         this.offline.next(true);
-        console.log('offline because whoami failed.');
     }
 
     /**
      * Sets the offline flag, because there is no connection to the server.
      */
     public goOfflineBecauseConnectionLost(): void {
+        if (!this.offline.getValue()) {
+            console.log('offline because connection lost.');
+        }
         this.offline.next(true);
-        console.log('offline because connection lost.');
     }
 
     /**

client/src/app/core/core-services/openslides.service.ts

@@ -63,16 +63,23 @@ export class OpenSlidesService {
      */
     public async bootup(): Promise<void> {
         // start autoupdate if the user is logged in:
-        const response = await this.operator.whoAmIFromStorage();
+        let response = await this.operator.whoAmIFromStorage();
+        const needToCheckOperator = !!response;
+
+        if (!response) {
+            response = await this.operator.whoAmI();
+        }
+
         if (!response.user && !response.guest_enabled) {
             if (!location.pathname.includes('error')) {
                 this.redirectUrl = location.pathname;
             }
             this.redirectToLoginIfNotSubpage();
-            this.checkOperator(false);
         } else {
             await this.afterLoginBootup(response.user_id);
+        }
 
+        if (needToCheckOperator) {
             // Check for the operator via a async whoami (so no await here)
             // to validate, that the cache was correct.
             this.checkOperator(false);

client/src/app/core/core-services/operator.service.ts

@@ -116,10 +116,30 @@ export class OperatorService implements OnAfterAppsLoaded {
      */
     private userRepository: UserRepositoryService | null;
 
+    private _currentWhoAmI: WhoAmI | null = null;
+    private _defaultWhoAMI: WhoAmI = {
+        user_id: null,
+        guest_enabled: false,
+        user: null,
+        permissions: []
+    };
+
     /**
      * The current WhoAmI response to extract the user (the operator) from.
      */
-    private currentWhoAmI: WhoAmI | null;
+    private get currentWhoAmI(): WhoAmI {
+        return this._currentWhoAmI || this._defaultWhoAMI;
+    }
+
+    private set currentWhoAmI(value: WhoAmI | null) {
+        this._currentWhoAmI = value;
+
+        // Resetting the default whoami, when the current whoami isn't there. This
+        // is for a fresh restart and do not have (old) changed values in this.defaultWhoAmI
+        if (!value) {
+            this._defaultWhoAMI = this.getDefaultWhoAmIResponse();
+        }
+    }
 
     private readonly _loaded: Deferred<void> = new Deferred();
 
@@ -169,7 +189,7 @@ export class OperatorService implements OnAfterAppsLoaded {
                 ),
                 auditTime(10)
             )
-            .subscribe(_ => this.updatePermissions());
+            .subscribe(() => this.updatePermissions());
 
         // Watches the user observable to update the viewUser for the operator.
         this.getUserObservable().subscribe(user => {
@@ -198,36 +218,6 @@ export class OperatorService implements OnAfterAppsLoaded {
         });
     }
 
-    /**
-     * Returns a default WhoAmI response
-     */
-    private getDefaultWhoAmIResponse(): WhoAmI {
-        return {
-            user_id: null,
-            guest_enabled: false,
-            user: null,
-            permissions: []
-        };
-    }
-
-    /**
-     * Gets the current WhoAmI response from the storage.
-     */
-    public async whoAmIFromStorage(): Promise<WhoAmI> {
-        let response: WhoAmI;
-        try {
-            response = await this.storageService.get<WhoAmI>(WHOAMI_STORAGE_KEY);
-            if (!response) {
-                response = this.getDefaultWhoAmIResponse();
-            }
-        } catch (e) {
-            response = this.getDefaultWhoAmIResponse();
-        }
-        await this.updateCurrentWhoAmI(response);
-        this._loaded.resolve();
-        return this.currentWhoAmI;
-    }
-
     /**
      * Load the repo to get a view user.
      */
@@ -239,6 +229,24 @@ export class OperatorService implements OnAfterAppsLoaded {
         this.viewOperatorSubject.next(this._viewUser);
     }
 
+    /**
+     * Gets the current WhoAmI response from the storage.
+     */
+    public async whoAmIFromStorage(): Promise<WhoAmI | null> {
+        let response: WhoAmI | null = null;
+        try {
+            response = await this.storageService.get<WhoAmI>(WHOAMI_STORAGE_KEY);
+            if (!isWhoAmI(response)) {
+                response = null;
+            }
+        } catch (e) {}
+
+        if (response) {
+            await this.updateCurrentWhoAmI(response);
+        }
+        return response;
+    }
+
     /**
      * Sets the operator user. Will be saved to storage
      * @param user The new operator.
@@ -274,9 +282,6 @@ export class OperatorService implements OnAfterAppsLoaded {
      * WhoAMI response.
      */
     private async updateUserInCurrentWhoAmI(): Promise<void> {
-        if (!this.currentWhoAmI) {
-            this.currentWhoAmI = this.getDefaultWhoAmIResponse();
-        }
         if (this.isAnonymous) {
             this.currentWhoAmI.user_id = null;
             this.currentWhoAmI.user = null;
@@ -300,6 +305,7 @@ export class OperatorService implements OnAfterAppsLoaded {
 
         this._user = whoami ? whoami.user : null;
         await this.updatePermissions();
+        this._loaded.resolve();
     }
 
     /**
@@ -394,9 +400,6 @@ export class OperatorService implements OnAfterAppsLoaded {
         }
 
         // Save perms to current WhoAmI
-        if (!this.currentWhoAmI) {
-            this.currentWhoAmI = this.getDefaultWhoAmIResponse();
-        }
         this.currentWhoAmI.permissions = this.permissions;
 
         if (!this.OSStatus.isInHistoryMode) {
@@ -406,4 +409,16 @@ export class OperatorService implements OnAfterAppsLoaded {
         // publish changes in the operator.
         this.operatorSubject.next(this.user);
     }
+
+    /**
+     * Returns a default WhoAmI response
+     */
+    private getDefaultWhoAmIResponse(): WhoAmI {
+        return {
+            user_id: null,
+            guest_enabled: false,
+            user: null,
+            permissions: []
+        };
+    }
 }

client/src/app/site/site.component.html

@@ -76,6 +76,14 @@
 
         <!-- navigation -->
         <mat-nav-list class="main-nav">
+            <ng-container *ngIf="!isLoggedIn">
+                <a routerLink="/login" mat-list-item>
+                    <mat-icon>exit_to_app</mat-icon>
+                    <span translate>Login</span>
+                </a>
+                <mat-divider></mat-divider>
+            </ng-container>
+
             <span *ngFor="let entry of mainMenuService.entries">
                 <a
                     [@navItemAnim]

client/src/app/site/site.component.ts

@@ -11,7 +11,6 @@ import { filter } from 'rxjs/operators';
 
 import { navItemAnim, pageTransition } from '../shared/animations';
 import { OfflineService } from 'app/core/core-services/offline.service';
-import { ConfigService } from 'app/core/ui-services/config.service';
 import { OverlayService } from 'app/core/ui-services/overlay.service';
 import { UpdateService } from 'app/core/ui-services/update.service';
 import { langToLocale } from 'app/shared/utils/lang-to-locale';
@@ -90,7 +89,6 @@ export class SiteComponent extends BaseComponent implements OnInit {
     public constructor(
         title: Title,
         protected translate: TranslateService,
-        configService: ConfigService,
         offlineService: OfflineService,
         private updateService: UpdateService,
         private authService: AuthService,
@@ -108,11 +106,7 @@ export class SiteComponent extends BaseComponent implements OnInit {
         overlayService.setSpinner(true, translate.instant('Loading data. Please wait...'));
 
         this.operator.getViewUserObservable().subscribe(user => {
-            if (user) {
-                this.username = user.short_name;
-            } else if (!user && configService.instant<boolean>('general_system_enable_anonymous')) {
-                this.username = translate.instant('Guest');
-            }
+            this.username = user ? user.short_name : translate.instant('Guest');
             this.isLoggedIn = !!user;
         });