support base path

package.json

@@ -9,10 +9,11 @@
     "start:dev": "nodemon --exec \"cross-env NODE_ENV=development yarn run serve\"",
     "start:prod": "yarn run build:prod && cross-env NODE_ENV=production yarn run serve:ssr",
     "start:mirador:prod": "yarn run build:mirador && yarn run start:prod",
-    "serve": "ng serve -c development",
+    "preserve": "yarn base-href",
+    "serve": "ng serve --configuration development",
     "serve:ssr": "node dist/server/main",
     "analyze": "webpack-bundle-analyzer dist/browser/stats.json",
-    "build": "ng build -c development",
+    "build": "ng build --configuration development",
     "build:stats": "ng build --stats-json",
     "build:prod": "yarn run build:ssr",
     "build:ssr": "ng build --configuration production && ng run dspace-angular:server:production",
@@ -37,6 +38,7 @@
     "cypress:open": "cypress open",
     "cypress:run": "cypress run",
     "env:yaml": "ts-node --project ./tsconfig.ts-node.json scripts/env-to-yaml.ts",
+    "base-href": "ts-node --project ./tsconfig.ts-node.json scripts/base-href.ts",
     "check-circ-deps": "npx madge --exclude '(bitstream|bundle|collection|config-submission-form|eperson|item|version)\\.model\\.ts$' --circular --extensions ts ./"
   },
   "browser": {

scripts/base-href.ts

@@ -0,0 +1,36 @@
+import * as fs from 'fs';
+import { join } from 'path';
+
+import { AppConfig } from '../src/config/app-config.interface';
+import { buildAppConfig } from '../src/config/config.server';
+
+/**
+ * Script to set baseHref as `ui.nameSpace` for development mode. Adds `baseHref` to angular.json build options.
+ * 
+ * Usage (see package.json):
+ * 
+ * yarn base-href
+ */
+
+const appConfig: AppConfig = buildAppConfig();
+
+const angularJsonPath = join(process.cwd(), 'angular.json');
+
+if (!fs.existsSync(angularJsonPath)) {
+  console.error(`Error:\n${angularJsonPath} does not exist\n`);
+  process.exit(1);
+}
+
+try {
+  const angularJson = require(angularJsonPath);
+
+  const baseHref = `${appConfig.ui.nameSpace}${appConfig.ui.nameSpace.endsWith('/') ? '' : '/'}`;
+
+  console.log(`Setting baseHref to ${baseHref} in angular.json`);
+
+  angularJson.projects['dspace-angular'].architect.build.options.baseHref = baseHref;
+
+  fs.writeFileSync(angularJsonPath, JSON.stringify(angularJson, null, 2) + '\n');
+} catch (e) {
+  console.error(e);
+}

server.ts

@@ -66,6 +66,8 @@ extendEnvironmentWithAppConfig(environment, appConfig);
 // The Express app is exported so that it can be used by serverless Functions.
 export function app() {
 
+  const router = express.Router();
+
   /*
    * Create a new express application
    */
@@ -133,7 +135,11 @@ export function app() {
   /**
    * Proxy the sitemaps
    */
-  server.use('/sitemap**', createProxyMiddleware({ target: `${environment.rest.baseUrl}/sitemaps`, changeOrigin: true }));
+  router.use('/sitemap**', createProxyMiddleware({
+    target: `${environment.rest.baseUrl}/sitemaps`,
+    pathRewrite: path => path.replace(environment.ui.nameSpace, '/'),
+    changeOrigin: true
+  }));
 
   /**
    * Checks if the rateLimiter property is present
@@ -151,14 +157,16 @@ export function app() {
   /*
    * Serve static resources (images, i18n messages, …)
    */
-  server.get('*.*', cacheControl, express.static(DIST_FOLDER, { index: false }));
+  router.get('*.*', cacheControl, express.static(DIST_FOLDER, { index: false }));
   /*
   * Fallthrough to the IIIF viewer (must be included in the build).
   */
-  server.use('/iiif', express.static(IIIF_VIEWER, {index:false}));
+  router.use('/iiif', express.static(IIIF_VIEWER, { index: false }));
 
   // Register the ngApp callback function to handle incoming requests
-  server.get('*', ngApp);
+  router.get('*', ngApp);
+
+  server.use(environment.ui.nameSpace, router);
 
   return server;
 }
@@ -191,13 +199,25 @@ function ngApp(req, res) {
         if (hasValue(err)) {
           console.warn('Error details : ', err);
         }
-        res.sendFile(DIST_FOLDER + '/index.html');
+        res.render(indexHtml, {
+          req,
+          providers: [{
+            provide: APP_BASE_HREF,
+            useValue: req.baseUrl
+          }]
+        });
       }
     });
   } else {
     // If preboot is disabled, just serve the client
     console.log('Universal off, serving for direct CSR');
-    res.sendFile(DIST_FOLDER + '/index.html');
+    res.render(indexHtml, {
+      req,
+      providers: [{
+        provide: APP_BASE_HREF,
+        useValue: req.baseUrl
+      }]
+    });
   }
 }
 

src/app/app.component.spec.ts

@@ -187,7 +187,7 @@ describe('App component', () => {
       link.setAttribute('rel', 'stylesheet');
       link.setAttribute('type', 'text/css');
       link.setAttribute('class', 'theme-css');
-      link.setAttribute('href', '/custom-theme.css');
+      link.setAttribute('href', 'custom-theme.css');
 
       expect(headSpy.appendChild).toHaveBeenCalledWith(link);
     });

src/app/app.component.ts

@@ -268,7 +268,7 @@ export class AppComponent implements OnInit, AfterViewInit {
     link.setAttribute('rel', 'stylesheet');
     link.setAttribute('type', 'text/css');
     link.setAttribute('class', 'theme-css');
-    link.setAttribute('href', `/${encodeURIComponent(themeName)}-theme.css`);
+    link.setAttribute('href', `${encodeURIComponent(themeName)}-theme.css`);
     // wait for the new css to download before removing the old one to prevent a
     // flash of unstyled content
     link.onload = () => {

src/app/app.module.ts

@@ -1,4 +1,4 @@
-import { APP_BASE_HREF, CommonModule } from '@angular/common';
+import { APP_BASE_HREF, CommonModule, DOCUMENT } from '@angular/common';
 import { HTTP_INTERCEPTORS, HttpClientModule } from '@angular/common/http';
 import { APP_INITIALIZER, NgModule } from '@angular/core';
 import { AbstractControl } from '@angular/forms';
@@ -66,9 +66,11 @@ export function getConfig() {
   return environment;
 }
 
-export function getBase(appConfig: AppConfig) {
+const getBaseHref = (document: Document, appConfig: AppConfig): string => {
-  return appConfig.ui.nameSpace;
+  const baseTag = document.querySelector('head > base');
-}
+  baseTag.setAttribute('href', `${appConfig.ui.nameSpace}${appConfig.ui.nameSpace.endsWith('/') ? '' : '/'}`);
+  return baseTag.getAttribute('href');
+};
 
 export function getMetaReducers(appConfig: AppConfig): MetaReducer<AppState>[] {
   return appConfig.debug ? [...appMetaReducers, ...debugMetaReducers] : appMetaReducers;
@@ -107,8 +109,8 @@ const PROVIDERS = [
   },
   {
     provide: APP_BASE_HREF,
-    useFactory: getBase,
+    useFactory: getBaseHref,
-    deps: [APP_CONFIG]
+    deps: [DOCUMENT, APP_CONFIG]
   },
   {
     provide: USER_PROVIDED_META_REDUCERS,

src/app/core/auth/auth.service.spec.ts

@@ -368,25 +368,25 @@ describe('AuthService test', () => {
     it('should redirect to reload with redirect url', () => {
       authService.navigateToRedirectUrl('/collection/123');
       // Reload with redirect URL set to /collection/123
-      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('/reload/[0-9]*\\?redirect=' + encodeURIComponent('/collection/123'))));
+      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('reload/[0-9]*\\?redirect=' + encodeURIComponent('/collection/123'))));
     });
 
     it('should redirect to reload with /home', () => {
       authService.navigateToRedirectUrl('/home');
       // Reload with redirect URL set to /home
-      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('/reload/[0-9]*\\?redirect=' + encodeURIComponent('/home'))));
+      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('reload/[0-9]*\\?redirect=' + encodeURIComponent('/home'))));
     });
 
     it('should redirect to regular reload and not to /login', () => {
       authService.navigateToRedirectUrl('/login');
       // Reload without a redirect URL
-      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('/reload/[0-9]*(?!\\?)$')));
+      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('reload/[0-9]*(?!\\?)$')));
     });
 
     it('should redirect to regular reload when no redirect url is found', () => {
       authService.navigateToRedirectUrl(undefined);
       // Reload without a redirect URL
-      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('/reload/[0-9]*(?!\\?)$')));
+      expect(hardRedirectService.redirect).toHaveBeenCalledWith(jasmine.stringMatching(new RegExp('reload/[0-9]*(?!\\?)$')));
     });
 
     describe('impersonate', () => {

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

@@ -447,8 +447,8 @@ export class AuthService {
    */
   public navigateToRedirectUrl(redirectUrl: string) {
     // Don't do redirect if already on reload url
-    if (!hasValue(redirectUrl) || !redirectUrl.includes('/reload/')) {
+    if (!hasValue(redirectUrl) || !redirectUrl.includes('reload/')) {
-      let url = `/reload/${new Date().getTime()}`;
+      let url = `reload/${new Date().getTime()}`;
       if (isNotEmpty(redirectUrl) && !redirectUrl.startsWith(LOGIN_ROUTE)) {
         url += `?redirect=${encodeURIComponent(redirectUrl)}`;
       }

src/app/core/locale/locale.service.ts

@@ -192,7 +192,7 @@ export class LocaleService {
     this.routeService.getCurrentUrl().pipe(take(1)).subscribe((currentURL) => {
       // Hard redirect to the reload page with a unique number behind it
       // so that all state is definitely lost
-      this._window.nativeWindow.location.href = `/reload/${new Date().getTime()}?redirect=` + encodeURIComponent(currentURL);
+      this._window.nativeWindow.location.href = `reload/${new Date().getTime()}?redirect=` + encodeURIComponent(currentURL);
     });
 
   }

src/app/core/reload/reload.guard.spec.ts

@@ -1,13 +1,17 @@
-import { ReloadGuard } from './reload.guard';
 import { Router } from '@angular/router';
+import { AppConfig } from '../../../config/app-config.interface';
+import { DefaultAppConfig } from '../../../config/default-app-config';
+import { ReloadGuard } from './reload.guard';
 
 describe('ReloadGuard', () => {
   let guard: ReloadGuard;
   let router: Router;
+  let appConfig: AppConfig;
 
   beforeEach(() => {
     router = jasmine.createSpyObj('router', ['parseUrl', 'createUrlTree']);
-    guard = new ReloadGuard(router);
+    appConfig = new DefaultAppConfig();
+    guard = new ReloadGuard(router, appConfig);
   });
 
   describe('canActivate', () => {
@@ -27,7 +31,7 @@ describe('ReloadGuard', () => {
 
       it('should create a UrlTree with the redirect URL', () => {
         guard.canActivate(route, undefined);
-        expect(router.parseUrl).toHaveBeenCalledWith(redirectUrl);
+        expect(router.parseUrl).toHaveBeenCalledWith(redirectUrl.substring(1));
       });
     });
 

src/app/core/reload/reload.guard.ts

@@ -1,5 +1,6 @@
+import { Inject, Injectable } from '@angular/core';
 import { ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot, UrlTree } from '@angular/router';
-import { Injectable } from '@angular/core';
+import { AppConfig, APP_CONFIG } from '../../../config/app-config.interface';
 import { isNotEmpty } from '../../shared/empty.util';
 
 /**
@@ -8,7 +9,10 @@ import { isNotEmpty } from '../../shared/empty.util';
  */
 @Injectable()
 export class ReloadGuard implements CanActivate {
-  constructor(private router: Router) {
+  constructor(
+    private router: Router,
+    @Inject(APP_CONFIG) private appConfig: AppConfig,
+  ) {
   }
 
   /**
@@ -18,7 +22,10 @@ export class ReloadGuard implements CanActivate {
    */
   canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): UrlTree {
     if (isNotEmpty(route.queryParams.redirect)) {
-      return this.router.parseUrl(route.queryParams.redirect);
+      const url = route.queryParams.redirect.startsWith(this.appConfig.ui.nameSpace)
+        ? route.queryParams.redirect.substring(this.appConfig.ui.nameSpace.length)
+        : route.queryParams.redirect;
+      return this.router.parseUrl(url);
     } else {
       return this.router.createUrlTree(['home']);
     }

src/app/page-internal-server-error/page-internal-server-error.component.html

@@ -5,6 +5,6 @@
   <p>{{"500.help" | translate}}</p>
   <br/>
   <p class="text-center">
-    <a href="/home" class="btn btn-primary">{{"500.link.home-page" | translate}}</a>
+    <a href="home" class="btn btn-primary">{{"500.link.home-page" | translate}}</a>
   </p>
 </div>

src/app/shared/menu/menu-item/link-menu-item.component.spec.ts

@@ -4,7 +4,6 @@ import { DebugElement, NO_ERRORS_SCHEMA } from '@angular/core';
 import { By } from '@angular/platform-browser';
 import { LinkMenuItemComponent } from './link-menu-item.component';
 import { RouterLinkDirectiveStub } from '../../testing/router-link-directive.stub';
-import { environment } from '../../../../environments/environment';
 import { QueryParamsDirectiveStub } from '../../testing/query-params-directive.stub';
 import { RouterStub } from '../../testing/router.stub';
 import { Router } from '@angular/router';
@@ -58,7 +57,7 @@ describe('LinkMenuItemComponent', () => {
     const routerLinkQuery = linkDes.map((de) => de.injector.get(RouterLinkDirectiveStub));
 
     expect(routerLinkQuery.length).toBe(1);
-    expect(routerLinkQuery[0].routerLink).toBe(environment.ui.nameSpace + link);
+    expect(routerLinkQuery[0].routerLink).toBe(link);
   });
 
   it('should have the right queryParams attribute', () => {

src/app/shared/menu/menu-item/link-menu-item.component.ts

@@ -2,7 +2,6 @@ import { Component, Inject, Input, OnInit } from '@angular/core';
 import { LinkMenuItemModel } from './models/link.model';
 import { rendersMenuItemForType } from '../menu-item.decorator';
 import { isNotEmpty } from '../../empty.util';
-import { environment } from '../../../../environments/environment';
 import { MenuItemType } from '../menu-item-type.model';
 import { Router } from '@angular/router';
 
@@ -30,7 +29,7 @@ export class LinkMenuItemComponent implements OnInit {
 
   getRouterLink() {
     if (this.hasLink) {
-      return environment.ui.nameSpace + this.item.link;
+      return this.item.link;
     }
     return undefined;
   }

src/app/shared/notifications/notification/notification.component.spec.ts

@@ -98,7 +98,7 @@ describe('NotificationComponent', () => {
   it('should have html content', () => {
     fixture = TestBed.createComponent(NotificationComponent);
     comp = fixture.componentInstance;
-    const htmlContent = '<a class="btn btn-link p-0 m-0 pb-1" href="/test"><strong>test</strong></a>';
+    const htmlContent = '<a class="btn btn-link p-0 m-0 pb-1" href="test"><strong>test</strong></a>';
     comp.notification = {
       id: '1',
       type: NotificationType.Info,

src/index.csr.html

@@ -13,6 +13,6 @@
 </body>
 
 <!-- this is needed for CSR fallback -->
-<script async src="/client.js"></script>
+<script async src="client.js"></script>
 
 </html>

src/styles/_bootstrap_variables.scss

@@ -6,7 +6,9 @@ $sidebar-items-width: 250px !default;
 $total-sidebar-width: $collapsed-sidebar-width + $sidebar-items-width !default;
 
 /* Fonts */
-$fa-font-path: "/assets/fonts" !default;
+// Starting this url with a caret (^) allows it to be a relative path based on UI's deployment path
+// See https://github.com/angular/angular-cli/issues/12797#issuecomment-598534241
+$fa-font-path: "^assets/fonts" !default;
 /* Images */
 $image-path: "../assets/images" !default;
 

src/themes/dspace/app/home-page/home-news/home-news.component.scss

@@ -6,7 +6,9 @@
     color: white;
     background-color: var(--bs-info);
     position: relative;
-    background-image: url('/assets/dspace/images/banner.jpg');
+    // Starting this url with a caret (^) allows it to be a relative path based on UI's deployment path
+    // See https://github.com/angular/angular-cli/issues/12797#issuecomment-598534241
+    background-image: url('^assets/dspace/images/banner.jpg');
     background-size: cover;
 
     .container {