fix: clean up structure using more AsyncHandlers and more folders

src/authorization/Authorizer.ts

@@ -1,23 +1,25 @@
+import { AsyncHandler } from '../util/AsyncHandler';
 import { Credentials } from '../authentication/Credentials';
 import { PermissionSet } from '../ldp/permissions/PermissionSet';
-import { ResourceIdentifier } from '../ldp/http/ResourceIdentifier';
+import { ResourceIdentifier } from '../ldp/representation/ResourceIdentifier';
 
 /**
- * Responsible for the permission verification.
+ * Verifies if the given credentials have access to the given permissions on the given resource.
+ * An {@link Error} with the necessary explanation will be thrown when permissions are not granted.
  */
-export interface Authorizer {
+export type Authorizer = AsyncHandler<AuthorizerArgs>;
+
+export interface AuthorizerArgs {
   /**
-   * Verifies if the given credentials have access to the given permissions on the given resource.
-   * @param credentials - Credentials of the entity that wants to use the resource.
-   * @param identifier - Identifier of the resource that will be read/modified.
-   * @param permissions - Permissions that are requested on the resource.
-   *
-   * @returns A promise resolving when the Authorizer is finished.
-   * An {@link Error} with the necessary explanation will be thrown when permissions are not granted.
+   * Credentials of the entity that wants to use the resource.
    */
-  ensurePermissions: (
-    credentials: Credentials,
-    identifier: ResourceIdentifier,
-    permissions: PermissionSet,
-  ) => Promise<void>;
+  credentials: Credentials;
+  /**
+   * Identifier of the resource that will be read/modified.
+   */
+  identifier: ResourceIdentifier;
+  /**
+   * Permissions that are requested on the resource.
+   */
+  permissions: PermissionSet;
 }