Merge pull request #3834 from FinnStutzenstein/operator

Auth/Operator/Anonymous/WS-Stuff

client/src/app/app-routing.module.ts

@@ -1,7 +1,6 @@
 import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
 import { LoginComponent } from './site/login/login.component';
-import { AuthGuard } from './core/services/auth-guard.service';
 
 /**
  * Global app routing
@@ -9,7 +8,7 @@ import { AuthGuard } from './core/services/auth-guard.service';
 const routes: Routes = [
     { path: 'login', component: LoginComponent },
     { path: 'projector', loadChildren: './projector-container/projector-container.module#ProjectorContainerModule' },
-    { path: '', loadChildren: './site/site.module#SiteModule', canActivate: [AuthGuard] },
+    { path: '', loadChildren: './site/site.module#SiteModule' },
     { path: '**', redirectTo: '' }
 ];
 

client/src/app/app.component.ts

@@ -1,7 +1,12 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, Injector, NgModuleRef } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 import { AutoupdateService } from './core/services/autoupdate.service';
 import { NotifyService } from './core/services/notify.service';
+import { OperatorService } from './core/services/operator.service';
+import { Subject } from 'rxjs';
+import { AppModule } from './app.module';
+import { OpenSlidesComponent } from './openslides.component';
+import { OpenSlidesService } from './core/services/openslides.service';
 
 /**
  * Angular's global App Component
@@ -13,7 +18,21 @@ import { NotifyService } from './core/services/notify.service';
 })
 export class AppComponent {
     /**
-     * Initialises the operator, the auto update (and therefore a websocket) feature and the translation unit.
+     * This subject gets called, when the bootstrapping of the hole application is done.
+     */
+    private static bootstrapDoneSubject: Subject<NgModuleRef<AppModule>> = new Subject<NgModuleRef<AppModule>>();
+
+    /**
+     * This function should only be called, when the bootstrapping is done with a reference to
+     * the bootstrapped module.
+     * @param moduleRef Reference to the bootstrapped AppModule
+     */
+    public static bootstrapDone(moduleRef: NgModuleRef<AppModule>) {
+        AppComponent.bootstrapDoneSubject.next(moduleRef);
+    }
+
+    /**
+     * Initialises the translation unit.
      * @param autoupdateService
      * @param notifyService
      * @param translate
@@ -21,7 +40,9 @@ export class AppComponent {
     constructor(
         private autoupdateService: AutoupdateService,
         private notifyService: NotifyService,
-        private translate: TranslateService
+        private translate: TranslateService,
+        private operator: OperatorService,
+        private OpenSlides: OpenSlidesService
     ) {
         // manually add the supported languages
         translate.addLangs(['en', 'de', 'fr']);
@@ -31,5 +52,20 @@ export class AppComponent {
         const browserLang = translate.getBrowserLang();
         // try to use the browser language if it is available. If not, uses english.
         translate.use(translate.getLangs().includes(browserLang) ? browserLang : 'en');
+
+        AppComponent.bootstrapDoneSubject.asObservable().subscribe(this.setup.bind(this));
+    }
+
+    /**
+     * Gets called, when bootstrapping is done. Gets the root injector, sets up the operator and starts OpenSlides.
+     * @param moduleRef
+     */
+    private setup(moduleRef: NgModuleRef<AppModule>): void {
+        OpenSlidesComponent.injector = moduleRef.injector;
+
+        // Setup the operator after the root injector is known.
+        this.operator.setupSubscription();
+
+        this.OpenSlides.bootup(); // Yeah!
     }
 }

client/src/app/core/rootInjector.ts

@@ -1,6 +0,0 @@
-import { Injector } from '@angular/core';
-
-export class RootInjector {
-    constructor() {}
-    public static injector: Injector;
-}

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

@@ -1,7 +1,6 @@
 import { Injectable } from '@angular/core';
-import { CanActivate, Router, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';
+import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, CanActivateChild } from '@angular/router';
 
-import { AuthService } from './auth.service';
 import { OperatorService } from './operator.service';
 
 /**
@@ -10,35 +9,40 @@ import { OperatorService } from './operator.service';
 @Injectable({
     providedIn: 'root'
 })
-export class AuthGuard implements CanActivate {
+export class AuthGuard implements CanActivate, CanActivateChild {
     /**
-     * Initialises the authentication, the operator and the Router
-     * @param authService
      * @param operator
-     * @param router
      */
-    constructor(private authService: AuthService, private operator: OperatorService, private router: Router) {}
+    constructor(private operator: OperatorService) {}
 
     /**
-     * Checks of the operator has n id.
+     * Checks of the operator has the required permission to see the state.
-     * If so, forward to the desired target.
      *
-     * If not, forward to login.
+     * One can set extra data to the state with `data: {basePerm: '<perm>'}` or
-     *
+     * `data: {basePerm: ['<perm1>', '<perm2>']}` to lock the access to users
-     * TODO: Test if this works for guests and on Projector
+     * only with the given permission(s).
      *
      * @param route required by `canActivate()`
      * @param state the state (URL) that the user want to access
      */
-    canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): any {
+    canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
-        const url: string = state.url;
+        const basePerm: string | string[] = route.data.basePerm;
 
-        if (this.operator.id) {
+        if (!basePerm) {
             return true;
+        } else if (basePerm instanceof Array) {
+            return this.operator.hasPerms(...basePerm);
         } else {
-            this.authService.redirectUrl = url;
+            return this.operator.hasPerms(basePerm);
-            this.router.navigate(['/login']);
-            return false;
         }
     }
+
+    /**
+     * Calls {@method canActivate}. Should have the same logic.
+     * @param route
+     * @param state
+     */
+    canActivateChild(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
+        return this.canActivate(route, state);
+    }
 }

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

@@ -6,6 +6,16 @@ import { catchError, tap } from 'rxjs/operators';
 import { OperatorService } from 'app/core/services/operator.service';
 import { OpenSlidesComponent } from '../../openslides.component';
 import { environment } from 'environments/environment';
+import { User } from '../../shared/models/users/user';
+import { OpenSlidesService } from './openslides.service';
+
+/**
+ * The data returned by a post request to the login route.
+ */
+interface LoginResponse {
+    user_id: number;
+    user: User;
+}
 
 /**
  * Authenticates an OpenSlides user with username and password
@@ -14,11 +24,6 @@ import { environment } from 'environments/environment';
     providedIn: 'root'
 })
 export class AuthService extends OpenSlidesComponent {
-    /**
-     * if the user tries to access a certain URL without being authenticated, the URL will be stored here
-     */
-    redirectUrl: string;
-
     /**
      * Initializes the httpClient and the {@link OperatorService}.
      *
@@ -26,7 +31,7 @@ export class AuthService extends OpenSlidesComponent {
      * @param http HttpClient
      * @param operator who is using OpenSlides
      */
-    constructor(private http: HttpClient, private operator: OperatorService) {
+    constructor(private http: HttpClient, private operator: OperatorService, private OpenSlides: OpenSlidesService) {
         super();
     }
 
@@ -40,27 +45,29 @@ export class AuthService extends OpenSlidesComponent {
      * @param username
      * @param password
      */
-    login(username: string, password: string): Observable<any> {
+    public login(username: string, password: string): Observable<LoginResponse> {
-        const user: any = {
+        const user = {
             username: username,
             password: password
         };
-        return this.http.post<any>(environment.urlPrefix + '/users/login/', user).pipe(
+        return this.http.post<LoginResponse>(environment.urlPrefix + '/users/login/', user).pipe(
-            tap(resp => this.operator.storeUser(resp.user)),
+            tap((response: LoginResponse) => {
+                this.operator.user = new User().deserialize(response.user);
+            }),
             catchError(this.handleError())
-        );
+        ) as Observable<LoginResponse>;
     }
 
     /**
      * Logout function for both the client and the server.
      *
      * Will clear the current {@link OperatorService} and
-     * send a `post`-requiest to `/users/logout/'`
+     * send a `post`-request to `/apps/users/logout/'`
      */
-    //logout the user
+    public logout(): void {
-    //TODO not yet used
+        this.operator.user = null;
-    logout(): Observable<any> {
+        this.http.post<any>(environment.urlPrefix + '/users/logout/', {}).subscribe(() => {
-        this.operator.clear();
+            this.OpenSlides.reboot();
-        return this.http.post<any>(environment.urlPrefix + '/users/logout/', {});
+        });
     }
 }

client/src/app/core/services/autoupdate.service.ts

@@ -69,4 +69,15 @@ export class AutoupdateService extends OpenSlidesComponent {
             this.DS.add(...autoupdate.changed[collection].map(_obj => new targetClass().deserialize(_obj.data)));
         });
     }
+
+    /**
+     * Sends a WebSocket request to the Server with the maxChangeId of the DataStore.
+     * The server should return an autoupdate with all new data.
+     *
+     * TODO: Wait for changeIds to be implemented on the server.
+     */
+    public requestChanges() {
+        console.log('requesting changed objects');
+        // this.websocketService.send('changeIdRequest', this.DS.maxChangeId);
+    }
 }

client/src/app/core/services/data-store.service.ts

@@ -10,14 +10,14 @@ import { CollectionStringModelMapperService } from './collectionStringModelMappe
  *
  * Part of {@link DataStoreService}
  */
-interface Collection {
+interface ModelCollection {
     [id: number]: BaseModel;
 }
 
 /**
  * Represents a serialized collection.
  */
-interface SerializedCollection {
+interface JsonCollection {
     [id: number]: string;
 }
 
@@ -26,15 +26,15 @@ interface SerializedCollection {
  *
  * {@link DataStoreService}
  */
-interface Storage {
+interface ModelStorage {
-    [collectionString: string]: Collection;
+    [collectionString: string]: ModelCollection;
 }
 
 /**
  * A storage of serialized collection elements.
  */
-interface SerializedStorage {
+interface JsonStorage {
-    [collectionString: string]: SerializedCollection;
+    [collectionString: string]: JsonCollection;
 }
 
 /**
@@ -49,14 +49,17 @@ interface SerializedStorage {
 export class DataStoreService {
     private static cachePrefix = 'DS:';
 
+    /**
+     * Make sure, that the Datastore only be instantiated once.
+     */
     private static wasInstantiated = false;
 
     /** We will store the data twice: One as instances of the actual models in the _store
      * and one serialized version in the _serializedStore for the cache. Both should be updated in
      * all cases equal!
      */
-    private modelStore: Storage = {};
+    private modelStore: ModelStorage = {};
-    private JsonStore: SerializedStorage = {};
+    private JsonStore: JsonStorage = {};
 
     /**
      * Observable subject with changes to enable dynamic changes in models and views
@@ -66,7 +69,14 @@ export class DataStoreService {
     /**
      * The maximal change id from this DataStore.
      */
-    private maxChangeId = 0;
+    private _maxChangeId = 0;
+
+    /**
+     * returns the maxChangeId of the DataStore.
+     */
+    public get maxChangeId(): number {
+        return this._maxChangeId;
+    }
 
     /**
      * Empty constructor for dataStore
@@ -85,43 +95,43 @@ export class DataStoreService {
     public initFromCache(): Promise<number> {
         // This promise will be resolved with the maximal change id of the cache.
         return new Promise<number>(resolve => {
-            this.cacheService
+            this.cacheService.get<JsonStorage>(DataStoreService.cachePrefix + 'DS').subscribe((store: JsonStorage) => {
-                .get<SerializedStorage>(DataStoreService.cachePrefix + 'DS')
+                if (store != null) {
-                .subscribe((store: SerializedStorage) => {
+                    // There is a store. Deserialize it
-                    if (store != null) {
+                    this.JsonStore = store;
-                        // There is a store. Deserialize it
+                    this.modelStore = this.deserializeJsonStore(this.JsonStore);
-                        this.JsonStore = store;
+                    // Get the maxChangeId from the cache
-                        this.modelStore = this.deserializeJsonStore(this.JsonStore);
+                    this.cacheService
-                        // Get the maxChangeId from the cache
+                        .get<number>(DataStoreService.cachePrefix + 'maxChangeId')
-                        this.cacheService
+                        .subscribe((maxChangeId: number) => {
-                            .get<number>(DataStoreService.cachePrefix + 'maxChangeId')
+                            if (maxChangeId == null) {
-                            .subscribe((maxChangeId: number) => {
+                                maxChangeId = 0;
-                                if (maxChangeId == null) {
+                            }
-                                    maxChangeId = 0;
+                            this._maxChangeId = maxChangeId;
-                                }
+                            resolve(maxChangeId);
-                                this.maxChangeId = maxChangeId;
+                        });
-                                resolve(maxChangeId);
+                } else {
-                            });
+                    // No store here, so get all data from the server.
-                    } else {
+                    resolve(0);
-                        // No store here, so get all data from the server.
+                }
-                        resolve(0);
+            });
-                    }
-                });
         });
     }
 
     /**
      * Deserialze the given serializedStorage and returns a Storage.
      */
-    private deserializeJsonStore(serializedStore: SerializedStorage): Storage {
+    private deserializeJsonStore(serializedStore: JsonStorage): ModelStorage {
-        const storage: Storage = {};
+        const storage: ModelStorage = {};
         Object.keys(serializedStore).forEach(collectionString => {
-            storage[collectionString] = {} as Collection;
+            storage[collectionString] = {} as ModelCollection;
             const target = CollectionStringModelMapperService.getCollectionStringType(collectionString);
-            Object.keys(serializedStore[collectionString]).forEach(id => {
+            if (target) {
-                const data = JSON.parse(serializedStore[collectionString][id]);
+                Object.keys(serializedStore[collectionString]).forEach(id => {
-                storage[collectionString][id] = new target().deserialize(data);
+                    const data = JSON.parse(serializedStore[collectionString][id]);
-            });
+                    storage[collectionString][id] = new target().deserialize(data);
+                });
+            }
         });
         return storage;
     }
@@ -133,7 +143,7 @@ export class DataStoreService {
     public clear(callback?: (value: boolean) => void): void {
         this.modelStore = {};
         this.JsonStore = {};
-        this.maxChangeId = 0;
+        this._maxChangeId = 0;
         this.cacheService.remove(DataStoreService.cachePrefix + 'DS', () => {
             this.cacheService.remove(DataStoreService.cachePrefix + 'maxChangeId', callback);
         });
@@ -159,7 +169,7 @@ export class DataStoreService {
             collectionString = tempObject.collectionString;
         }
 
-        const collection: Collection = this.modelStore[collectionString];
+        const collection: ModelCollection = this.modelStore[collectionString];
 
         const models = [];
         if (!collection) {
@@ -270,8 +280,8 @@ export class DataStoreService {
      */
     private storeToCache(maxChangeId: number) {
         this.cacheService.set(DataStoreService.cachePrefix + 'DS', this.JsonStore);
-        if (maxChangeId > this.maxChangeId) {
+        if (maxChangeId > this._maxChangeId) {
-            this.maxChangeId = maxChangeId;
+            this._maxChangeId = maxChangeId;
             this.cacheService.set(DataStoreService.cachePrefix + 'maxChangeId', maxChangeId);
         }
     }

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

@@ -0,0 +1,15 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { OpenSlidesService } from './openslides.service';
+
+describe('OpenSlidesService', () => {
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            providers: [OpenSlidesService]
+        });
+    });
+
+    it('should be created', inject([OpenSlidesService], (service: OpenSlidesService) => {
+        expect(service).toBeTruthy();
+    }));
+});

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

@@ -0,0 +1,135 @@
+import { Injectable } from '@angular/core';
+import { Router } from '@angular/router';
+
+import { OpenSlidesComponent } from 'app/openslides.component';
+import { WebsocketService } from './websocket.service';
+import { OperatorService } from './operator.service';
+import { CacheService } from './cache.service';
+import { AutoupdateService } from './autoupdate.service';
+
+/**
+ * Handles the bootup/showdown of this application.
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class OpenSlidesService extends OpenSlidesComponent {
+    /**
+     * if the user tries to access a certain URL without being authenticated, the URL will be stored here
+     */
+    public redirectUrl: string;
+
+    /**
+     * Constructor to create the NotifyService. Registers itself to the WebsocketService.
+     * @param cacheService
+     * @param operator
+     * @param websocketService
+     * @param router
+     * @param autoupdateService
+     */
+    constructor(
+        private cacheService: CacheService,
+        private operator: OperatorService,
+        private websocketService: WebsocketService,
+        private router: Router,
+        private autoupdateService: AutoupdateService
+    ) {
+        super();
+
+        // Handler that gets called, if the websocket connection reconnects after a disconnection.
+        // There might have changed something on the server, so we check the operator, if he changed.
+        websocketService.getReconnectObservable().subscribe(() => {
+            this.checkOperator();
+        });
+    }
+
+    /**
+     * the bootup-sequence: Do a whoami request and if it was successful, do
+     * {@method afterLoginBootup}. If not, redirect the user to the login page.
+     */
+    public bootup(): void {
+        // start autoupdate if the user is logged in:
+        this.operator.whoAmI().subscribe(resp => {
+            this.operator.guestsEnabled = resp.guest_enabled;
+            if (!resp.user && !resp.guest_enabled) {
+                this.redirectUrl = location.pathname;
+                // Goto login, if the user isn't login and guests are not allowed
+                this.router.navigate(['/login']);
+            } else {
+                this.afterLoginBootup(resp.user_id);
+            }
+        });
+    }
+
+    /**
+     * the login bootup-sequence: Check (and maybe clear) the cache und setup the DataStore
+     * and websocket.
+     * @param userId
+     */
+    public afterLoginBootup(userId: number): void {
+        // Else, check, which user was logged in last time
+        this.cacheService.get<number>('lastUserLoggedIn').subscribe((id: number) => {
+            // if the user id changed, reset the cache.
+            if (userId !== id) {
+                this.DS.clear((value: boolean) => {
+                    this.setupDataStoreAndWebSocket();
+                });
+                this.cacheService.set('lastUserLoggedIn', userId);
+            } else {
+                this.setupDataStoreAndWebSocket();
+            }
+        });
+    }
+
+    /**
+     * Init DS from cache and after this start the websocket service.
+     */
+    private setupDataStoreAndWebSocket() {
+        this.DS.initFromCache().then((changeId: number) => {
+            this.websocketService.connect(
+                false,
+                changeId
+            );
+        });
+    }
+
+    /**
+     * SHuts down OpenSlides. The websocket is closed and the operator is not set.
+     */
+    public shutdown(): void {
+        this.websocketService.close();
+        this.operator.user = null;
+    }
+
+    /**
+     * Shutdown and bootup.
+     */
+    public reboot(): void {
+        this.shutdown();
+        this.bootup();
+    }
+
+    /**
+     * Verify that the operator is the same as it was before a reconnect.
+     */
+    private checkOperator(): void {
+        this.operator.whoAmI().subscribe(resp => {
+            // User logged off.
+            if (!resp.user && !resp.guest_enabled) {
+                this.shutdown();
+                this.router.navigate(['/login']);
+            } else {
+                if (
+                    (this.operator.user && this.operator.user.id !== resp.user_id) ||
+                    (!this.operator.user && resp.user_id)
+                ) {
+                    // user changed
+                    this.reboot();
+                } else {
+                    // User is still the same, but check for missed autoupdates.
+                    this.autoupdateService.requestChanges();
+                }
+            }
+        });
+    }
+}

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

@@ -7,220 +7,115 @@ import { Group } from 'app/shared/models/users/group';
 import { User } from '../../shared/models/users/user';
 import { environment } from 'environments/environment';
 
+/**
+ * Permissions on the client are just strings. This makes clear, that
+ * permissions instead of arbitrary strings should be given.
+ */
+export type Permission = string;
+
+/**
+ * Response format of the WHoAMI request.
+ */
+interface WhoAmIResponse {
+    user_id: number;
+    guest_enabled: boolean;
+    user: User;
+}
+
 /**
  * The operator represents the user who is using OpenSlides.
  *
- * Information is mostly redundant to user but has different purposes.
  * Changes in operator can be observed, directives do so on order to show
  * or hide certain information.
  *
- * Could extend User?
- *
  * The operator is an {@link OpenSlidesComponent}.
  */
 @Injectable({
     providedIn: 'root'
 })
 export class OperatorService extends OpenSlidesComponent {
-    about_me: string;
+    /**
-    comment: string;
+     * The operator.
-    default_password: string;
+     */
-    email: string;
-    first_name: string;
-    groups_id: number[];
-    id: number;
-    is_active: boolean;
-    is_committee: boolean;
-    is_present: boolean;
-    last_email_send: string;
-    last_name: string;
-    number: string;
-    structure_level: string;
-    title: string;
-    username: string;
-    logged_in: boolean;
-
     private _user: User;
 
+    /**
+     * Get the user that corresponds to operator.
+     */
+    get user(): User {
+        return this._user;
+    }
+
+    /**
+     * Sets the current operator.
+     *
+     * The permissions are updated and the new user published.
+     */
+    set user(user: User) {
+        this._user = user;
+        this.updatePermissions();
+    }
+
+    /**
+     * Save, if quests are enabled.
+     */
+    public guestsEnabled: boolean;
+
+    /**
+     * The permissions of the operator. Updated via {@method updatePermissions}.
+     */
+    private permissions: Permission[] = [];
+
     /**
      * The subject that can be observed by other instances using observing functions.
      */
     private operatorSubject: BehaviorSubject<any> = new BehaviorSubject<any>(null);
 
     /**
-     * Representation of the {@link Group}s that the operator has (in contrast the the `groups_id`-Array)
-     *
-     * The operator observes the dataStore (compare {@link OpenSlidesComponent} in Order to know it's groups)
-     */
-    private groups: Group[] = new Array();
-
-    /**
-     * Recreates the operator from localStorage if it's found and starts to observe the dataStore.
      * @param http HttpClient
      */
     constructor(private http: HttpClient) {
         super();
-
-        // recreate old operator from localStorage.
-        if (localStorage.getItem('operator')) {
-            const oldOperator = JSON.parse(localStorage.getItem('operator'));
-            if (Object.keys(oldOperator).length > 0) {
-                this.storeUser(oldOperator);
-            }
-        }
-
-        // observe the DataStore now to avoid race conditions. Ensures to
-        // find the groups in time
-        this.observeDataStore();
     }
 
     /**
-     * calls `/apps/users/whoami` to find out the real operator
+     * Setup the subscription of the DataStore.Update the user and it's
+     * permissions if the user or groups changes.
      */
-    public whoAmI(): Observable<any> {
+    public setupSubscription() {
-        return this.http.get<any>(environment.urlPrefix + '/users/whoami/').pipe(
+        this.DS.getObservable().subscribe(newModel => {
-            tap(whoami => {
+            if (this._user) {
-                if (whoami && whoami.user) {
+                if (newModel instanceof Group) {
-                    this.storeUser(whoami.user as User);
+                    this.updatePermissions();
+                }
+
+                if (newModel instanceof User && this._user.id === newModel.id) {
+                    this._user = newModel;
+                    this.updatePermissions();
+                }
+            } else if (newModel instanceof Group && newModel.id === 1) {
+                // Group 1 (default) for anonymous changed
+                this.updatePermissions();
+            }
+        });
+    }
+
+    /**
+     * Calls `/apps/users/whoami` to find out the real operator.
+     */
+    public whoAmI(): Observable<WhoAmIResponse> {
+        return this.http.get<WhoAmIResponse>(environment.urlPrefix + '/users/whoami/').pipe(
+            tap((response: WhoAmIResponse) => {
+                if (response && response.user_id) {
+                    this.user = new User().deserialize(response.user);
                 }
             }),
             catchError(this.handleError())
-        );
+        ) as Observable<WhoAmIResponse>;
     }
 
     /**
-     * Store the user Information in the operator, the localStorage and update the Observable
+     * Returns the operatorSubject as an observable.
-     * @param user usually a http response that represents a user.
-     *
-     * Todo: Could be refractored to use the actual User Object.
-     *       Operator is older than user, so this is still a traditional JS way
-     */
-    public storeUser(user: User): void {
-        // store in file
-        this.about_me = user.about_me;
-        this.comment = user.comment;
-        this.default_password = user.default_password;
-        this.email = user.email;
-        this.first_name = user.first_name;
-        this.groups_id = user.groups_id;
-        this.id = user.id;
-        this.is_active = user.is_active;
-        this.is_committee = user.is_committee;
-        this.is_present = user.is_present;
-        this.last_email_send = user.last_email_send;
-        this.last_name = user.last_name;
-        this.number = user.number;
-        this.structure_level = user.structure_level;
-        this.title = user.title;
-        this.username = user.username;
-
-        // also store in localstorrage
-        this.updateLocalStorage();
-        // update mode to inform observers
-        this.setObservable(this.getUpdateObject());
-    }
-
-    /**
-     * Removes all stored information about the Operator.
-     *
-     * The Opposite of StoreUser. Usually a `logout()`-function.
-     * Also removes the operator from localStorrage and
-     * updates the observable.
-     */
-    public clear() {
-        this.about_me = null;
-        this.comment = null;
-        this.default_password = null;
-        this.email = null;
-        this.first_name = null;
-        this.groups_id = null;
-        this.id = null;
-        this.is_active = null;
-        this.is_committee = null;
-        this.is_present = null;
-        this.last_email_send = null;
-        this.last_name = null;
-        this.number = null;
-        this.structure_level = null;
-        this.title = null;
-        this.username = null;
-        this.setObservable(this.getUpdateObject());
-        localStorage.removeItem('operator');
-    }
-
-    /**
-     * Saves the operator in the localStorage for easier and faster re-login
-     *
-     * This is a mere comfort feature, even if the operator can be recreated
-     * it has to pass `this.whoAmI()` during page access.
-     */
-    private updateLocalStorage(): void {
-        localStorage.setItem('operator', JSON.stringify(this.getUpdateObject()));
-    }
-
-    /**
-     * Returns the current operator.
-     *
-     * Used to save the operator in localStorage or inform observers.
-     */
-    private getUpdateObject(): any {
-        return {
-            about_me: this.about_me,
-            comment: this.comment,
-            default_password: this.default_password,
-            email: this.email,
-            first_name: this.first_name,
-            groups_id: this.groups_id,
-            id: this.id,
-            is_active: this.is_active,
-            is_committee: this.is_committee,
-            is_present: this.is_present,
-            last_email_send: this.last_email_send,
-            last_name: this.last_name,
-            number: this.number,
-            structure_level: this.structure_level,
-            title: this.title,
-            username: this.username,
-            logged_in: this.logged_in
-        };
-    }
-
-    /**
-     * Observe dataStore to set groups once they are loaded.
-     *
-     * TODO logic to remove groups / user from certain groups. Currently is is only set and was never removed
-     */
-    private observeDataStore(): void {
-        this.DS.getObservable().subscribe(newModel => {
-            if (newModel instanceof Group) {
-                this.addGroup(newModel);
-            }
-
-            if (newModel instanceof User && this.id === newModel.id) {
-                this._user = newModel;
-            }
-        });
-    }
-
-    /**
-     * Read out the Groups from the DataStore by the operators 'groups_id'
-     *
-     * requires that the DataStore has been setup (websocket.service)
-     * requires that the whoAmI did return a valid operator
-     *
-     * This is the normal behavior after a fresh login, everythin else can
-     * be done by observers.
-     */
-    public readGroupsFromStore(): void {
-        this.DS.filter(Group, myGroup => {
-            if (this.groups_id.includes(myGroup.id)) {
-                this.addGroup(myGroup);
-            }
-        });
-    }
-
-    /**
-     * Returns the behaviorSubject as an observable.
      *
      * Services an components can use it to get informed when something changes in
      * the operator
@@ -230,36 +125,35 @@ export class OperatorService extends OpenSlidesComponent {
     }
 
     /**
-     * Inform all observers about changes
+     * Checks, if the operator has at least one of the given permissions.
-     * @param value
+     * @param permissions The permissions to check, if at least one matches.
      */
-    private setObservable(value) {
+    public hasPerms(...permissions: Permission[]): boolean {
-        this.operatorSubject.next(value);
+        return permissions.some(permisison => {
+            return this.permissions.includes(permisison);
+        });
     }
 
     /**
-     * Getter for the (real) {@link Group}s
+     * Update the operators permissions and publish the operator afterwards.
      */
-    public getGroups() {
+    private updatePermissions(): void {
-        return this.groups;
+        this.permissions = [];
-    }
+        if (!this.user) {
-
+            const defaultGroup = this.DS.get('users/group', 1) as Group;
-    /**
+            if (defaultGroup && defaultGroup.permissions instanceof Array) {
-     * if the operator has the corresponding ID, set the group
+                this.permissions = defaultGroup.permissions;
-     * @param newGroup potential group that the operator has.
+            }
-     */
+        } else {
-    private addGroup(newGroup: Group): void {
+            const permissionSet = new Set();
-        if (this.groups_id.includes(newGroup.id as number)) {
+            this.user.groups.forEach(group => {
-            this.groups.push(newGroup);
+                group.permissions.forEach(permission => {
-            // inform the observers about new groups (appOsPerms)
+                    permissionSet.add(permission);
-            this.setObservable(newGroup);
+                });
+            });
+            this.permissions = Array.from(permissionSet.values());
         }
-    }
+        // publish changes in the operator.
-
+        this.operatorSubject.next(this.user);
-    /**
-     * get the user that corresponds to operator.
-     */
-    get user(): User {
-        return this._user;
     }
 }

client/src/app/core/services/websocket.service.ts

@@ -1,12 +1,19 @@
-import { Injectable } from '@angular/core';
+import { Injectable, NgZone } from '@angular/core';
 import { Router } from '@angular/router';
-import { webSocket, WebSocketSubject } from 'rxjs/webSocket';
+import { Observable, Subject, of } from 'rxjs';
-import { Observable, Subject } from 'rxjs';
+import { MatSnackBar, MatSnackBarRef, SimpleSnackBar } from '@angular/material';
+import { TranslateService } from '@ngx-translate/core';
 
+/**
+ * A key value mapping for params, that should be appendet to the url on a new connection.
+ */
 interface QueryParams {
     [key: string]: string;
 }
 
+/**
+ * The generic message format in which messages are send and recieved by the server.
+ */
 interface WebsocketMessage {
     type: string;
     content: any;
@@ -14,9 +21,8 @@ interface WebsocketMessage {
 }
 
 /**
- * Service that handles WebSocket connections.
+ * Service that handles WebSocket connections. Other services can register themselfs
- *
+ * with {@method getOberservable} for a specific type of messages. The content will be published.
- * Creates or returns already created WebSockets.
  */
 @Injectable({
     providedIn: 'root'
@@ -26,12 +32,29 @@ export class WebsocketService {
      * Constructor that handles the router
      * @param router the URL Router
      */
-    constructor(private router: Router) {}
+    constructor(
+        private router: Router,
+        private matSnackBar: MatSnackBar,
+        private zone: NgZone,
+        public translate: TranslateService
+    ) {
+        this.reconnectSubject = new Subject<void>();
+    }
 
     /**
-     * Observable subject that might be `any` for simplicity, `MessageEvent` or something appropriate
+     * The reference to the snackbar entry that is shown, if the connection is lost.
      */
-    private websocketSubject: WebSocketSubject<WebsocketMessage>;
+    private connectionErrorNotice: MatSnackBarRef<SimpleSnackBar>;
+
+    /**
+     * Subjects that will be called, if a reconnect was successful.
+     */
+    private reconnectSubject: Subject<void>;
+
+    /**
+     * The websocket.
+     */
+    private websocket: WebSocket;
 
     /**
      * Subjects for types of websocket messages. A subscriber can get an Observable by {@function getOberservable}.
@@ -39,33 +62,86 @@ export class WebsocketService {
     private subjects: { [type: string]: Subject<any> } = {};
 
     /**
-     * Creates a new WebSocket connection as WebSocketSubject
+     * Creates a new WebSocket connection and handles incomming events.
      *
-     * Can return old Subjects to prevent multiple WebSocket connections.
+     * Uses NgZone to let all callbacks run in the angular context.
      */
-    public connect(changeId?: number): void {
+    public connect(retry = false, changeId?: number): void {
+        if (this.websocket) {
+            return;
+        }
         const queryParams: QueryParams = {};
         // comment-in if changes IDs are supported on server side.
         /*if (changeId !== undefined) {
             queryParams.changeId = changeId.toString();
         }*/
 
+        // Create the websocket
         const socketProtocol = this.getWebSocketProtocol();
         const socketServer = window.location.hostname + ':' + window.location.port;
         const socketPath = this.getWebSocketPath(queryParams);
-        if (!this.websocketSubject) {
+        this.websocket = new WebSocket(socketProtocol + socketServer + socketPath);
-            this.websocketSubject = webSocket(socketProtocol + socketServer + socketPath);
+
-            // directly subscribe. The messages are distributes below
+        // connection established. If this connect attept was a retry,
-            this.websocketSubject.subscribe(message => {
+        // The error notice will be removed and the reconnectSubject is published.
+        this.websocket.onopen = (event: Event) => {
+            this.zone.run(() => {
+                if (retry) {
+                    if (this.connectionErrorNotice) {
+                        this.connectionErrorNotice.dismiss();
+                        this.connectionErrorNotice = null;
+                    }
+                    this.reconnectSubject.next();
+                }
+            });
+        };
+
+        this.websocket.onmessage = (event: MessageEvent) => {
+            this.zone.run(() => {
+                const message: WebsocketMessage = JSON.parse(event.data);
                 const type: string = message.type;
                 if (type === 'error') {
                     console.error('Websocket error', message.content);
                 } else if (this.subjects[type]) {
+                    // Pass the content to the registered subscribers.
                     this.subjects[type].next(message.content);
                 } else {
                     console.log(`Got unknown websocket message type "${type}" with content`, message.content);
                 }
             });
+        };
+
+        this.websocket.onclose = (event: CloseEvent) => {
+            this.zone.run(() => {
+                this.websocket = null;
+                if (event.code !== 1000) {
+                    // 1000 is a normal close, like the close on logout
+                    if (!this.connectionErrorNotice) {
+                        // So here we have a connection failure that wasn't intendet.
+                        this.connectionErrorNotice = this.matSnackBar.open(
+                            this.translate.instant('Offline mode: You can use OpenSlides but changes are not saved.'),
+                            '',
+                            { duration: 0 }
+                        );
+                    }
+
+                    // A random retry timeout between 2000 and 5000 ms.
+                    const timeout = Math.floor(Math.random() * 3000 + 2000);
+                    setTimeout(() => {
+                        this.connect((retry = true));
+                    }, timeout);
+                }
+            });
+        };
+    }
+
+    /**
+     * Closes the websocket connection.
+     */
+    public close(): void {
+        if (this.websocket) {
+            this.websocket.close();
+            this.websocket = null;
         }
     }
 
@@ -80,28 +156,39 @@ export class WebsocketService {
         return this.subjects[type].asObservable();
     }
 
+    /**
+     * get the reconnect observable. It will be published, if a reconnect was sucessful.
+     */
+    public getReconnectObservable(): Observable<void> {
+        return this.reconnectSubject.asObservable();
+    }
+
     /**
      * Sends a message to the server with the content and the given type.
      *
      * @param type the message type
      * @param content the actual content
      */
-    public send<T>(type: string, content: T): void {
+    public send<T>(type: string, content: T, id?: string): void {
-        if (!this.websocketSubject) {
+        if (!this.websocket) {
             return;
         }
 
         const message: WebsocketMessage = {
             type: type,
             content: content,
-            id: ''
+            id: id
         };
 
-        const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+        // create message id if not given. Required by the server.
-        for (let i = 0; i < 8; i++) {
+        if (!message.id) {
-            message.id += possible.charAt(Math.floor(Math.random() * possible.length));
+            message.id = '';
+            const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+            for (let i = 0; i < 8; i++) {
+                message.id += possible.charAt(Math.floor(Math.random() * possible.length));
+            }
         }
-        this.websocketSubject.next(message);
+        this.websocket.send(JSON.stringify(message));
     }
 
     /**
@@ -130,8 +217,6 @@ export class WebsocketService {
 
     /**
      * returns the desired websocket protocol
-     *
-     * TODO: HTTPS is not yet tested
      */
     private getWebSocketProtocol(): string {
         if (location.protocol === 'https') {

client/src/app/openslides.component.ts

@@ -3,7 +3,6 @@ import { Observable, of } from 'rxjs';
 
 import { DataStoreService } from './core/services/data-store.service';
 import { CacheService } from './core/services/cache.service';
-import { RootInjector } from './core/rootInjector';
 
 /**
  * injects the {@link DataStoreService} to all its children and provides a generic function to catch errors
@@ -15,6 +14,8 @@ export abstract class OpenSlidesComponent {
      */
     private static _DS: DataStoreService;
 
+    public static injector: Injector;
+
     /**
      * Empty constructor
      *
@@ -29,6 +30,9 @@ export abstract class OpenSlidesComponent {
      * @return access to dataStoreService
      */
     get DS(): DataStoreService {
+        if (!OpenSlidesComponent.injector) {
+            throw new Error('OpenSlides is not bootstrapping right. This component should have the Injector.');
+        }
         if (OpenSlidesComponent._DS == null) {
             const injector = Injector.create({
                 providers: [
@@ -38,7 +42,7 @@ export abstract class OpenSlidesComponent {
                         deps: [CacheService]
                     }
                 ],
-                parent: RootInjector.injector
+                parent: OpenSlidesComponent.injector
             });
             OpenSlidesComponent._DS = injector.get(DataStoreService);
         }

client/src/app/shared/directives/os-perms.directive.ts

@@ -1,33 +1,33 @@
-import { Directive, Input, ElementRef, TemplateRef, ViewContainerRef, OnInit } from '@angular/core';
+import { Directive, Input, TemplateRef, ViewContainerRef } from '@angular/core';
 
-import { OperatorService } from 'app/core/services/operator.service';
+import { OperatorService, Permission } from 'app/core/services/operator.service';
 import { OpenSlidesComponent } from 'app/openslides.component';
-import { Group } from 'app/shared/models/users/group';
-import { BehaviorSubject } from 'rxjs';
 
 /**
  * Directive to check if the {@link OperatorService} has the correct permissions to access certain functions
  *
  * Successor of os-perms in OpenSlides 2.2
- * @example <div *appOsPerms=".." ..> ... < /div>
+ * @example <div *appOsPerms="'perm'" ..> ... < /div>
+ * @example <div *appOsPerms="['perm1', 'perm2']" ..> ... < /div>
  */
 @Directive({
     selector: '[appOsPerms]'
 })
 export class OsPermsDirective extends OpenSlidesComponent {
-    /**
-     * Holds the {@link OperatorService} permissions
-     */
-    private userPermissions: string[];
-
     /**
      * Holds the required permissions the access a feature
      */
-    private permissions;
+    private permissions: Permission[] = [];
 
     /**
-     * Constructs the directive once. Observes the operator for it's groups so the directive can perform changes
+     * Holds the value of the last permission check. Therefore one can check, if the
-     * dynamically
+     * permission has changes, to save unnecessary view updates, if not.
+     */
+    private lastPermissionCheckResult = false;
+
+    /**
+     * Constructs the directive once. Observes the operator for it's groups so the
+     * directive can perform changes dynamically
      *
      * @param template inner part of the HTML container
      * @param viewContainer outer part of the HTML container (for example a `<div>`)
@@ -39,50 +39,44 @@ export class OsPermsDirective extends OpenSlidesComponent {
         private operator: OperatorService
     ) {
         super();
-        this.userPermissions = [];
 
         // observe groups of operator, so the directive can actively react to changes
         this.operator.getObservable().subscribe(content => {
-            if (content instanceof Group && this.permissions !== '') {
+            this.updateView();
-                this.userPermissions = [...this.userPermissions, ...content.permissions];
-                this.updateView();
-            }
         });
     }
 
     /**
      * Comes directly from the view.
-     * The value defines the requires permissions.
+     * The value defines the requires permissions as an array or a single permission.
      */
     @Input()
     set appOsPerms(value) {
+        if (!value) {
+            value = [];
+        } else if (typeof value === 'string') {
+            value = [value];
+        }
         this.permissions = value;
-        this.readUserPermissions();
         this.updateView();
     }
 
-    /**
-     * Updates the local `userPermissions[]` by the permissions found in the operators groups
-     * Will just set, but not remove them.
-     */
-    private readUserPermissions(): void {
-        const opGroups = this.operator.getGroups();
-        opGroups.forEach(group => {
-            this.userPermissions = [...this.userPermissions, ...group.permissions];
-        });
-    }
-
     /**
      * Shows or hides certain content in the view.
      */
     private updateView(): void {
-        if (this.checkPermissions()) {
+        const hasPerms = this.checkPermissions();
-            // will just render the page normally
+        const permsChanged = hasPerms !== this.lastPermissionCheckResult;
+
+        if (hasPerms && permsChanged) {
+            // clean up and add the template
+            this.viewContainer.clear();
             this.viewContainer.createEmbeddedView(this.template);
-        } else {
+        } else if (!hasPerms) {
             // will remove the content of the container
             this.viewContainer.clear();
         }
+        this.lastPermissionCheckResult = hasPerms;
     }
 
     /**
@@ -90,12 +84,6 @@ export class OsPermsDirective extends OpenSlidesComponent {
      * Returns true if the users permissions fit.
      */
     private checkPermissions(): boolean {
-        let isPermitted = false;
+        return this.permissions.length === 0 || this.operator.hasPerms(...this.permissions);
-        if (this.userPermissions && this.permissions) {
-            this.permissions.forEach(perm => {
-                isPermitted = this.userPermissions.find(userPerm => userPerm === perm) ? true : false;
-            });
-        }
-        return isPermitted;
     }
 }

client/src/app/shared/models/users/user.ts

@@ -1,4 +1,5 @@
 import { BaseModel } from '../base.model';
+import { Group } from './group';
 
 /**
  * Representation of a user in contrast to the operator.
@@ -61,11 +62,38 @@ export class User extends BaseModel {
         this.default_password = default_password;
     }
 
-    getGroups(): BaseModel | BaseModel[] {
+    get groups(): Group[] {
-        return this.DS.get('users/group', ...this.groups_id);
+        const groups = this.DS.get('users/group', ...this.groups_id);
+        if (!groups) {
+            return [];
+        } else if (groups instanceof BaseModel) {
+            return [groups] as Group[];
+        } else {
+            return groups as Group[];
+        }
     }
 
-    //TODO get full_name
+    get full_name(): string {
+        let name = this.short_name;
+        const addition: string[] = [];
+
+        // addition: add number and structure level
+        const structure_level = this.structure_level.trim();
+        if (structure_level) {
+            addition.push(structure_level);
+        }
+
+        const number = this.number.trim();
+        if (number) {
+            // TODO Translate
+            addition.push('No.' + ' ' + number);
+        }
+
+        if (addition.length > 0) {
+            name += ' (' + addition.join(' · ') + ')';
+        }
+        return name.trim();
+    }
 
     // TODO read config values  for "users_sort_by"
     get short_name(): string {

client/src/app/site/agenda/agenda-list/agenda-list.component.html

@@ -8,7 +8,7 @@
             everyone should see this
         </div>
         <br/>
-        <div *appOsPerms="['agenda.can_see']">
+        <div *appOsPerms="'agenda.can_see'">
             Only permitted users should see this
         </div>
     </div>

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

@@ -18,11 +18,14 @@
 
         <!-- forgot password button -->
         <br>
-        <button class='forgot-password-button' mat-button>Forgot Password?</button>
+        <button type="button" class='forgot-password-button' (click)="resetPassword()" mat-button>Forgot Password?</button>
 
         <!-- login button -->
         <br>
-        <button mat-raised-button color="primary" class='login-button' type="submit">Login</button>
+        <!-- TODO: Next to each other...-->
+        <button mat-raised-button color="primary" class='login-button' type="submit" translate>Login</button>
+        <button mat-raised-button *ngIf="areGuestsEnabled()" color="primary" class='login-button'
+            type="button" (click)="guestLogin()" translate>Login as Guest</button>
     </form>
 
 </div>

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

@@ -1,13 +1,16 @@
-import { Component, OnInit, Input } from '@angular/core';
+import { Component, OnInit, Input, OnDestroy } from '@angular/core';
 import { Router } from '@angular/router';
 import { Title } from '@angular/platform-browser';
 
 import { BaseComponent } from 'app/base.component';
 import { AuthService } from 'app/core/services/auth.service';
 import { OperatorService } from 'app/core/services/operator.service';
-import { ErrorStateMatcher } from '@angular/material';
+import { ErrorStateMatcher, MatSnackBar, MatSnackBarRef, SimpleSnackBar } from '@angular/material';
 import { FormControl, FormGroupDirective, NgForm, FormGroup, Validators, FormBuilder } from '@angular/forms';
 import { TranslateService } from '@ngx-translate/core';
+import { HttpErrorResponse, HttpClient } from '@angular/common/http';
+import { environment } from 'environments/environment';
+import { OpenSlidesService } from '../../core/services/openslides.service';
 
 /**
  * Custom error states. Might become part of the shared module later.
@@ -38,31 +41,36 @@ export class ParentErrorStateMatcher implements ErrorStateMatcher {
     templateUrl: './login.component.html',
     styleUrls: ['./login.component.scss']
 })
-export class LoginComponent extends BaseComponent implements OnInit {
+export class LoginComponent extends BaseComponent implements OnInit, OnDestroy {
     /**
      * Show or hide password and change the indicator accordingly
      */
-    hide: boolean;
+    public hide: boolean;
+
+    /**
+     * Reference to the SnackBarEntry for the installation notice send by the server.
+     */
+    private installationNotice: MatSnackBarRef<SimpleSnackBar>;
 
     /**
      * Login Error Message if any
      */
-    loginErrorMsg = '';
+    public loginErrorMsg = '';
 
     /**
      * Form group for the login form
      */
-    loginForm: FormGroup;
+    public loginForm: FormGroup;
 
     /**
      * Custom Form validation
      */
-    parentErrorStateMatcher = new ParentErrorStateMatcher();
+    public parentErrorStateMatcher = new ParentErrorStateMatcher();
 
     /**
      * Show the Spinner if validation is in process
      */
-    inProcess = false;
+    public inProcess = false;
 
     /**
      * Constructor for the login component
@@ -79,7 +87,10 @@ export class LoginComponent extends BaseComponent implements OnInit {
         private authService: AuthService,
         private operator: OperatorService,
         private router: Router,
-        private formBuilder: FormBuilder
+        private formBuilder: FormBuilder,
+        private http: HttpClient,
+        private matSnackBar: MatSnackBar,
+        private OpenSlides: OpenSlidesService
     ) {
         super(titleService, translate);
         this.createForm();
@@ -91,23 +102,26 @@ export class LoginComponent extends BaseComponent implements OnInit {
      * Set the title to "Log In"
      * Observes the operator, if a user was already logged in, recreate to user and skip the login
      */
-    ngOnInit() {
+    public ngOnInit(): void {
-        //this is necessary since the HTML document never uses the word "Log In"
+        super.setTitle('Login');
-        const loginWord = this.translate.instant('Log In');
-        super.setTitle('Log In');
 
-        // if there is stored login information, try to login directly.
+        this.http.get<any>(environment.urlPrefix + '/users/login/', {}).subscribe(response => {
-        this.operator.getObservable().subscribe(user => {
+            this.installationNotice = this.matSnackBar.open(response.info_text, this.translate.instant('OK'), {
-            if (user && user.id) {
+                duration: 5000
-                this.router.navigate(['/']);
+            });
-            }
         });
     }
 
+    public ngOnDestroy(): void {
+        if (this.installationNotice) {
+            this.installationNotice.dismiss();
+        }
+    }
+
     /**
      * Create the login Form
      */
-    createForm() {
+    public createForm(): void {
         this.loginForm = this.formBuilder.group({
             username: ['', [Validators.required, Validators.maxLength(128)]],
             password: ['', [Validators.required, Validators.maxLength(128)]]
@@ -119,23 +133,46 @@ export class LoginComponent extends BaseComponent implements OnInit {
      *
      * Send username and password to the {@link AuthService}
      */
-    formLogin(): void {
+    public formLogin(): void {
         this.loginErrorMsg = '';
         this.inProcess = true;
         this.authService.login(this.loginForm.value.username, this.loginForm.value.password).subscribe(res => {
-            if (res.status === 400) {
+            this.inProcess = false;
-                this.inProcess = false;
+
+            if (res instanceof HttpErrorResponse) {
                 this.loginForm.setErrors({
                     notFound: true
                 });
                 this.loginErrorMsg = res.error.detail;
             } else {
-                this.inProcess = false;
+                this.OpenSlides.afterLoginBootup(res.user_id);
-                if (res.user_id) {
+                let redirect = this.OpenSlides.redirectUrl ? this.OpenSlides.redirectUrl : '/';
-                    const redirect = this.authService.redirectUrl ? this.authService.redirectUrl : '/';
+                if (redirect.includes('login')) {
-                    this.router.navigate([redirect]);
+                    redirect = '/';
                 }
+                this.router.navigate([redirect]);
             }
         });
     }
+
+    /**
+     * TODO, should open an edit view for the users password.
+     */
+    public resetPassword(): void {
+        console.log('TODO');
+    }
+
+    /**
+     * returns if the anonymous is enabled.
+     */
+    public areGuestsEnabled(): boolean {
+        return this.operator.guestsEnabled;
+    }
+
+    /**
+     * Guests (if enabled) can navigate directly to the main page.
+     */
+    public guestLogin(): void {
+        this.router.navigate(['/']);
+    }
 }

client/src/app/site/settings/settings-list/settings-list.component.html

@@ -1,7 +1,7 @@
 <app-head-bar appName="Settings"></app-head-bar>
 
 <mat-card class="os-card">
-    <div *appOsPerms="['core.can_manage_config']" class="app-content">
+    <div *appOsPerms="'core.can_manage_config'" class="app-content">
 
         <mat-accordion>
             <mat-expansion-panel>

client/src/app/site/site-routing.module.ts

@@ -6,6 +6,7 @@ import { SiteComponent } from './site.component';
 import { StartComponent } from './start/start.component';
 import { PrivacyPolicyComponent } from './privacy-policy/privacy-policy.component';
 import { LegalNoticeComponent } from './legal-notice/legal-notice.component';
+import { AuthGuard } from '../core/services/auth-guard.service';
 // import { LoginComponent } from './login/login.component';
 
 /**
@@ -37,7 +38,8 @@ const routes: Routes = [
                 loadChildren: './settings/settings.module#SettingsModule'
             },
             { path: 'users', loadChildren: './users/users.module#UsersModule' }
-        ]
+        ],
+        canActivateChild: [AuthGuard]
     }
 ];
 

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

@@ -17,19 +17,23 @@
                     <fa-icon icon='globe-americas'></fa-icon>
                     <span> {{getLangName(this.translate.currentLang)}} </span>
                 </a>
-                <a (click)='logOutButton()' mat-list-item>
+                <a *ngIf="isLoggedIn" (click)='editProfile()' mat-list-item>
                     <fa-icon icon='user-cog'></fa-icon>
                     <span translate>Edit Profile</span>
                 </a>
-                <a (click)='logOutButton()' mat-list-item>
+                <a *ngIf="isLoggedIn" (click)='changePassword()' mat-list-item>
                     <fa-icon icon='key'></fa-icon>
                     <span translate>Change Password</span>
                 </a>
                 <mat-divider></mat-divider>
-                <a (click)='logOutButton()' mat-list-item>
+                <a *ngIf="isLoggedIn" (click)='logout()' mat-list-item>
                     <fa-icon icon='sign-out-alt'></fa-icon>
                     <span translate>Logout</span>
                 </a>
+                <a *ngIf="!isLoggedIn" routerLink='/login' mat-list-item>
+                    <fa-icon icon='sign-out-alt'></fa-icon>
+                    <span translate>Login</span>
+                </a>
             </mat-nav-list>
         </mat-expansion-panel>
         <!-- TODO: Could use translate.getLangs() to fetch available languages-->
@@ -41,39 +45,39 @@
 
         <!-- navigation -->
         <mat-nav-list class='main-nav'>
-            <a [@navItemAnim] *appOsPerms="['core.can_see_frontpage']" mat-list-item routerLink='/' routerLinkActive='active' [routerLinkActiveOptions]="{exact: true}"
+            <a [@navItemAnim] *appOsPerms="'core.can_see_frontpage'" mat-list-item routerLink='/' routerLinkActive='active' [routerLinkActiveOptions]="{exact: true}"
                 (click)='toggleSideNav()'>
                 <fa-icon icon='home'></fa-icon>
                 <span translate>Home</span>
             </a>
-            <a [@navItemAnim] *appOsPerms="['agenda.can_see']" mat-list-item routerLink='/agenda' routerLinkActive='active' (click)='toggleSideNav()'>
+            <a [@navItemAnim] *appOsPerms="'agenda.can_see'" mat-list-item routerLink='/agenda' routerLinkActive='active' (click)='toggleSideNav()'>
                 <fa-icon icon='calendar'></fa-icon>
                 <span translate>Agenda</span>
             </a>
-            <a [@navItemAnim] *appOsPerms="['motions.can_see']" mat-list-item routerLink='/motions' routerLinkActive='active' (click)='toggleSideNav()'>
+            <a [@navItemAnim] *appOsPerms="'motions.can_see'" mat-list-item routerLink='/motions' routerLinkActive='active' (click)='toggleSideNav()'>
                 <fa-icon icon='file-alt'></fa-icon>
                 <span translate>Motions</span>
             </a>
-            <a [@navItemAnim] *appOsPerms="['assignments.can_see']" mat-list-item routerLink='/assignments' routerLinkActive='active'
+            <a [@navItemAnim] *appOsPerms="'assignments.can_see'" mat-list-item routerLink='/assignments' routerLinkActive='active'
                 (click)='vp.isMobile ? sideNav.toggle() : null'>
                 <fa-icon icon='chart-pie'></fa-icon>
                 <span translate>Assignments</span>
             </a>
-            <a [@navItemAnim] *appOsPerms="['users.can_see_name']" mat-list-item routerLink='/users' routerLinkActive='active' (click)='toggleSideNav()'>
+            <a [@navItemAnim] *appOsPerms="'users.can_see_name'" mat-list-item routerLink='/users' routerLinkActive='active' (click)='toggleSideNav()'>
                 <fa-icon icon='user'></fa-icon>
                 <span translate>Participants</span>
             </a>
-            <a [@navItemAnim] *appOsPerms="['mediafiles.can_see']" mat-list-item routerLink='/mediafiles' routerLinkActive='active' (click)='toggleSideNav()'>
+            <a [@navItemAnim] *appOsPerms="'mediafiles.can_see'" mat-list-item routerLink='/mediafiles' routerLinkActive='active' (click)='toggleSideNav()'>
                 <fa-icon icon='paperclip'></fa-icon>
                 <span translate>Files</span>
             </a>
-            <a [@navItemAnim] *appOsPerms="['core.can_manage_config']" mat-list-item routerLink='/settings' routerLinkActive='active'
+            <a [@navItemAnim] *appOsPerms="'core.can_manage_config'" mat-list-item routerLink='/settings' routerLinkActive='active'
                 (click)='toggleSideNav()'>
                 <fa-icon icon='cog'></fa-icon>
                 <span translate>Settings</span>
             </a>
             <mat-divider></mat-divider>
-            <a [@navItemAnim] *appOsPerms="['core.can_see_projector']" mat-list-item routerLink='/projector' routerLinkActive='active'
+            <a [@navItemAnim] *appOsPerms="'core.can_see_projector'" mat-list-item routerLink='/projector' routerLinkActive='active'
                 (click)='toggleSideNav()'>
                 <fa-icon icon='video'></fa-icon>
                 <span translate>Projector</span>

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

@@ -3,14 +3,12 @@ import { Router } from '@angular/router';
 
 import { AuthService } from 'app/core/services/auth.service';
 import { OperatorService } from 'app/core/services/operator.service';
-import { WebsocketService } from 'app/core/services/websocket.service';
 
 import { TranslateService } from '@ngx-translate/core'; //showcase
 import { BaseComponent } from 'app/base.component';
 import { pageTransition, navItemAnim } from 'app/shared/animations';
 import { MatDialog, MatSidenav } from '@angular/material';
 import { ViewportService } from '../core/services/viewport.service';
-import { CacheService } from '../core/services/cache.service';
 
 @Component({
     selector: 'app-site',
@@ -27,30 +25,39 @@ export class SiteComponent extends BaseComponent implements OnInit {
     /**
      * Get the username from the operator (should be known already)
      */
-    username = this.operator.username;
+    public username: string;
+
+    /**
+     * is the user logged in, or the anonymous is active.
+     */
+    public isLoggedIn: boolean;
 
     /**
      * Constructor
      *
      * @param authService
-     * @param websocketService
      * @param operator
-     * @param router
+     * @param vp
-     * @param breakpointObserver
      * @param translate
      * @param dialog
      */
     constructor(
         private authService: AuthService,
-        private websocketService: WebsocketService,
         private operator: OperatorService,
-        private router: Router,
         public vp: ViewportService,
         public translate: TranslateService,
-        public dialog: MatDialog,
+        public dialog: MatDialog
-        private cacheService: CacheService
     ) {
         super();
+
+        operator.getObservable().subscribe(user => {
+            if (user) {
+                this.username = user.full_name;
+            } else {
+                this.username = translate.instant('Guest');
+            }
+            this.isLoggedIn = !!user;
+        });
     }
 
     /**
@@ -63,32 +70,6 @@ export class SiteComponent extends BaseComponent implements OnInit {
         // this.translate.get('Motions').subscribe((res: string) => {
         //      console.log('translation of motions in the target language: ' + res);
         //  });
-
-        // start autoupdate if the user is logged in:
-        this.operator.whoAmI().subscribe(resp => {
-            if (resp.user) {
-                this.cacheService.get<number>('lastUserLoggedIn').subscribe((id: number) => {
-                    if (resp.user_id !== id) {
-                        this.DS.clear((value: boolean) => {
-                            this.setupDataStoreAndWebSocket();
-                        });
-                        this.cacheService.set('lastUserLoggedIn', resp.user_id);
-                    } else {
-                        this.setupDataStoreAndWebSocket();
-                    }
-                });
-            } else {
-                //if whoami is not sucsessfull, forward to login again
-                this.operator.clear();
-                this.router.navigate(['/login']);
-            }
-        });
-    }
-
-    private setupDataStoreAndWebSocket() {
-        this.DS.initFromCache().then((changeId: number) => {
-            this.websocketService.connect(changeId);
-        });
     }
 
     /**
@@ -121,11 +102,16 @@ export class SiteComponent extends BaseComponent implements OnInit {
         }
     }
 
+    // TODO: Implement this
+    editProfile() {}
+
+    // TODO: Implement this
+    changePassword() {}
+
     /**
      * Function to log out the current user
      */
-    logOutButton() {
+    logout() {
-        this.authService.logout().subscribe();
+        this.authService.logout();
-        this.router.navigate(['/login']);
     }
 }

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

@@ -5,9 +5,6 @@
 
         <h4> {{welcomeTitle | translate}} </h4>
         <span> {{welcomeText | translate}} </span>
-        <br/>
-        <!-- example to translate with parameters -->
-        <p>{{'Hello user' | translate:username}}</p>
 
         <button mat-button (click)="DataStoreTest()">DataStoreTest</button>
         <br/>

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

@@ -20,7 +20,6 @@ import { MotionSubmitter } from '../../shared/models/motions/motion-submitter';
 export class StartComponent extends BaseComponent implements OnInit {
     welcomeTitle: string;
     welcomeText: string;
-    username = { user: this.operator.username };
 
     /**
      * Constructor of the StartComponent

client/src/main.ts

@@ -3,7 +3,7 @@ import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
 import { AppModule } from './app/app.module';
 import { environment } from './environments/environment';
-import { RootInjector } from 'app/core/rootInjector';
+import { AppComponent } from 'app/app.component';
 
 if (environment.production) {
     enableProdMode();
@@ -12,6 +12,6 @@ if (environment.production) {
 platformBrowserDynamic()
     .bootstrapModule(AppModule)
     .then((moduleRef: NgModuleRef<AppModule>) => {
-        RootInjector.injector = moduleRef.injector;
+        AppComponent.bootstrapDone(moduleRef);
     })
     .catch(err => console.log(err));