Fixes "some item edit pages are accessible by anonymous users"

src/app/item-page/edit-item-page/edit-item-page.routing.module.ts

@@ -38,6 +38,8 @@ import { ItemPageBitstreamsGuard } from './item-page-bitstreams.guard';
 import { ItemPageRelationshipsGuard } from './item-page-relationships.guard';
 import { ItemPageVersionHistoryGuard } from './item-page-version-history.guard';
 import { ItemPageCollectionMapperGuard } from './item-page-collection-mapper.guard';
+import { ItemPageCurateGuard } from './item-page-curate.guard';
+import { ItemPageAccessControlGuard } from './item-page-access-control.guard';
 import { ThemedDsoEditMetadataComponent } from '../../dso-shared/dso-edit-metadata/themed-dso-edit-metadata.component';
 import { ItemPageRegisterDoiGuard } from './item-page-register-doi.guard';
 import { ItemCurateComponent } from './item-curate/item-curate.component';
@@ -87,7 +89,8 @@ import { ItemAccessControlComponent } from './item-access-control/item-access-co
               {
                 path: 'curate',
                 component: ItemCurateComponent,
-                data: { title: 'item.edit.tabs.curate.title', showBreadcrumbs: true }
+                data: { title: 'item.edit.tabs.curate.title', showBreadcrumbs: true },
+                canActivate: [ItemPageCurateGuard]
               },
               {
                 path: 'relationships',
@@ -116,7 +119,8 @@ import { ItemAccessControlComponent } from './item-access-control/item-access-co
               {
                 path: 'access-control',
                 component: ItemAccessControlComponent,
-                data: { title: 'item.edit.tabs.access-control.title', showBreadcrumbs: true }
+                data: { title: 'item.edit.tabs.access-control.title', showBreadcrumbs: true },
+                canActivate: [ItemPageAccessControlGuard]
               },
               {
                 path: 'mapper',
@@ -202,11 +206,13 @@ import { ItemAccessControlComponent } from './item-access-control/item-access-co
     ItemPageWithdrawGuard,
     ItemPageAdministratorGuard,
     ItemPageMetadataGuard,
+    ItemPageCurateGuard,
     ItemPageStatusGuard,
     ItemPageBitstreamsGuard,
     ItemPageRelationshipsGuard,
     ItemPageVersionHistoryGuard,
     ItemPageCollectionMapperGuard,
+    ItemPageAccessControlGuard,
     ItemPageRegisterDoiGuard,
   ]
 })

src/app/item-page/edit-item-page/item-page-access-control.guard.ts

@@ -0,0 +1,31 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Router, RouterStateSnapshot } from '@angular/router';
+import { AuthorizationDataService } from '../../core/data/feature-authorization/authorization-data.service';
+import { ItemPageResolver } from '../item-page.resolver';
+import { Item } from '../../core/shared/item.model';
+import { DsoPageSingleFeatureGuard } from '../../core/data/feature-authorization/feature-authorization-guard/dso-page-single-feature.guard';
+import { Observable, of as observableOf } from 'rxjs';
+import { FeatureID } from '../../core/data/feature-authorization/feature-id';
+import { AuthService } from '../../core/auth/auth.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+/**
+ * Guard for preventing unauthorized access to certain {@link Item} pages requiring administrator rights
+ */
+export class ItemPageAccessControlGuard extends DsoPageSingleFeatureGuard<Item> {
+  constructor(protected resolver: ItemPageResolver,
+              protected authorizationService: AuthorizationDataService,
+              protected router: Router,
+              protected authService: AuthService) {
+    super(resolver, authorizationService, router, authService);
+  }
+
+  /**
+   * Check administrator authorization rights
+   */
+  getFeatureID(next: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<FeatureID> {
+    return observableOf(FeatureID.AdministratorOf);
+  }
+}

src/app/item-page/edit-item-page/item-page-curate.guard.ts

@@ -0,0 +1,31 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Router, RouterStateSnapshot } from '@angular/router';
+import { AuthorizationDataService } from '../../core/data/feature-authorization/authorization-data.service';
+import { ItemPageResolver } from '../item-page.resolver';
+import { Item } from '../../core/shared/item.model';
+import { DsoPageSingleFeatureGuard } from '../../core/data/feature-authorization/feature-authorization-guard/dso-page-single-feature.guard';
+import { Observable, of as observableOf } from 'rxjs';
+import { FeatureID } from '../../core/data/feature-authorization/feature-id';
+import { AuthService } from '../../core/auth/auth.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+/**
+ * Guard for preventing unauthorized access to certain {@link Item} pages requiring administrator rights
+ */
+export class ItemPageCurateGuard extends DsoPageSingleFeatureGuard<Item> {
+  constructor(protected resolver: ItemPageResolver,
+              protected authorizationService: AuthorizationDataService,
+              protected router: Router,
+              protected authService: AuthService) {
+    super(resolver, authorizationService, router, authService);
+  }
+
+  /**
+   * Check administrator authorization rights
+   */
+  getFeatureID(next: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<FeatureID> {
+    return observableOf(FeatureID.AdministratorOf);
+  }
+}