Revize 476b7738

re #37 add request interceptor for sending Basic authentication token

webapp/src/app/app.module.ts

@@ -8 +8 @@
 import {HeaderComponent} from './header/header.component';
 import {MatDialogModule, MatMenuModule} from '@angular/material';
 import {ProfileSettingsModule} from './profile-settings/profile-settings.module';
-import {HttpClient, HttpClientModule} from '@angular/common/http';
+import {HTTP_INTERCEPTORS, HttpClient, HttpClientModule} from '@angular/common/http';
 import {EmployeesModule} from './employees/employees.module';
 import {TranslateLoader, TranslateModule} from '@ngx-translate/core';
 import {TranslateHttpLoader} from '@ngx-translate/http-loader';
 import {PageNotFoundComponent} from './page-not-found/page-not-found.component';
 import {CommonModule} from '@angular/common';
 
+import {BasicAuthInterceptor} from "./auth/basic-auth.interceptor";
+
 @NgModule({
   declarations: [
     AppComponent,
@@ -40 +42 @@
     MatMenuModule,
     CommonModule
   ],
-  providers: [],
+  providers: [
+    {provide: HTTP_INTERCEPTORS, useClass: BasicAuthInterceptor, multi: true}
+  ],
   bootstrap: [AppComponent]
 })
 export class AppModule { }

webapp/src/app/auth/basic-auth.interceptor.ts

@@ +1 @@
+import {Injectable} from '@angular/core';
+import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from '@angular/common/http';
+import {Observable} from 'rxjs';
+
+import {ProfileService} from '../services/util/profile.service';
+
+/**
+ * Adds authentication token to each request.
+ */
+@Injectable()
+export class BasicAuthInterceptor implements HttpInterceptor {
+  constructor(private profileService: ProfileService) {
+  }
+
+  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    // add authorization header with basic auth credentials if available
+    const currentUser = window.btoa(this.profileService.currentUserValue + ":");
+    if (currentUser) {
+      request = request.clone({
+        withCredentials: true,
+        setHeaders: {
+          authorization: `Basic ${currentUser}`
+        }
+      });
+    }
+
+    return next.handle(request);
+  }
+}