fix: clean up structure using more AsyncHandlers and more folders

src/authentication/CredentialsExtractor.ts

@@ -1,15 +1,9 @@
+import { AsyncHandler } from '../util/AsyncHandler';
 import { Credentials } from './Credentials';
 import { HttpRequest } from '../server/HttpRequest';
 
 /**
- * Responsible for extracting credentials.
+ * Responsible for extracting credentials from an incoming request.
+ * Will return `null` if no credentials were found.
  */
-export interface CredentialsExtractor {
-  /**
-   * Extracts the credentials found in an HttpRequest.
-   *
-   * @param request - The incoming request.
-   * @returns A promise resolving to the credentials.
-   */
-  extractCredentials: (request: HttpRequest) => Promise<Credentials>;
-}
+export type CredentialsExtractor = AsyncHandler<HttpRequest, Credentials>;

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.
- */
-export interface Authorizer {
 /**
  * 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.
  */
-  ensurePermissions: (
-    credentials: Credentials,
-    identifier: ResourceIdentifier,
-    permissions: PermissionSet,
-  ) => Promise<void>;
+export type Authorizer = AsyncHandler<AuthorizerArgs>;
+
+export interface AuthorizerArgs {
+  /**
+   * Credentials of the entity that wants to use the resource.
+   */
+  credentials: Credentials;
+  /**
+   * Identifier of the resource that will be read/modified.
+   */
+  identifier: ResourceIdentifier;
+  /**
+   * Permissions that are requested on the resource.
+   */
+  permissions: PermissionSet;
 }

src/ldp/http/Patch.ts

@@ -1,4 +1,4 @@
-import { Representation } from './Representation';
+import { Representation } from '../representation/Representation';
 
 /**
  * Represents the changes needed for a PATCH request.

src/ldp/operations/Operation.ts

@@ -1,6 +1,6 @@
-import { Representation } from '../http/Representation';
-import { RepresentationPreferences } from '../http/RepresentationPreferences';
-import { ResourceIdentifier } from '../http/ResourceIdentifier';
+import { Representation } from '../representation/Representation';
+import { RepresentationPreferences } from '../representation/RepresentationPreferences';
+import { ResourceIdentifier } from '../representation/ResourceIdentifier';
 
 /**
  * A single REST operation.

src/storage/Conditions.ts

@@ -1,4 +1,4 @@
-import { RepresentationMetadata } from '../ldp/http/RepresentationMetadata';
+import { RepresentationMetadata } from '../ldp/representation/RepresentationMetadata';
 
 /**
  * The conditions of an HTTP conditional request.

src/storage/RepresentationConverter.ts

@@ -1,5 +1,5 @@
-import { Representation } from '../ldp/http/Representation';
-import { RepresentationPreferences } from '../ldp/http/RepresentationPreferences';
+import { Representation } from '../ldp/representation/Representation';
+import { RepresentationPreferences } from '../ldp/representation/RepresentationPreferences';
 
 /**
  * Allows converting from one resource representation to another.

src/storage/ResourceLocker.ts

@@ -1,5 +1,5 @@
 import { Lock } from './Lock';
-import { ResourceIdentifier } from '../ldp/http/ResourceIdentifier';
+import { ResourceIdentifier } from '../ldp/representation/ResourceIdentifier';
 
 /**
  * Allows the locking of resources which is needed for non-atomic {@link ResourceStore}s.

src/storage/ResourceMapper.ts

@@ -1,4 +1,4 @@
-import { RepresentationMetadata } from '../ldp/http/RepresentationMetadata';
+import { RepresentationMetadata } from '../ldp/representation/RepresentationMetadata';
 
 /**
  * Supports mapping a file to an URL and back.

src/storage/ResourceStore.ts

@@ -1,8 +1,8 @@
 import { Conditions } from './Conditions';
 import { Patch } from '../ldp/http/Patch';
-import { Representation } from '../ldp/http/Representation';
-import { RepresentationPreferences } from '../ldp/http/RepresentationPreferences';
-import { ResourceIdentifier } from '../ldp/http/ResourceIdentifier';
+import { Representation } from '../ldp/representation/Representation';
+import { RepresentationPreferences } from '../ldp/representation/RepresentationPreferences';
+import { ResourceIdentifier } from '../ldp/representation/ResourceIdentifier';
 
 /**
  * A ResourceStore represents a collection of resources.