fix: Move ACL init into dedicated Setup component

src/init/Setup.ts

@@ -0,0 +1,61 @@
+import { AclManager } from '../authorization/AclManager';
+import { DATA_TYPE_BINARY } from '../util/ContentTypes';
+import { ExpressHttpServer } from '../server/ExpressHttpServer';
+import { ResourceStore } from '../storage/ResourceStore';
+import streamifyArray from 'streamify-array';
+
+/**
+ * Invokes all logic to setup a server.
+ */
+export class Setup {
+  private readonly httpServer: ExpressHttpServer;
+  private readonly store: ResourceStore;
+  private readonly aclManager: AclManager;
+
+  public constructor(httpServer: ExpressHttpServer, store: ResourceStore, aclManager: AclManager) {
+    this.httpServer = httpServer;
+    this.store = store;
+    this.aclManager = aclManager;
+  }
+
+  /**
+   * Set up a server at the given port and base URL.
+   * @param port - A port number.
+   * @param base - A base URL.
+   */
+  public async setup(port: number, base: string): Promise<void> {
+    // Set up acl so everything can still be done by default
+    // Note that this will need to be adapted to go through all the correct channels later on
+    const aclSetup = async(): Promise<void> => {
+      const acl = `@prefix   acl:  <http://www.w3.org/ns/auth/acl#>.
+@prefix  foaf:  <http://xmlns.com/foaf/0.1/>.
+
+<#authorization>
+    a               acl:Authorization;
+    acl:agentClass  foaf:Agent;
+    acl:mode        acl:Read;
+    acl:mode        acl:Write;
+    acl:mode        acl:Append;
+    acl:mode        acl:Delete;
+    acl:mode        acl:Control;
+    acl:accessTo    <${base}>;
+    acl:default     <${base}>.`;
+      await this.store.setRepresentation(
+        await this.aclManager.getAcl({ path: base }),
+        {
+          dataType: DATA_TYPE_BINARY,
+          data: streamifyArray([ acl ]),
+          metadata: {
+            raw: [],
+            profiles: [],
+            contentType: 'text/turtle',
+          },
+        },
+      );
+    };
+
+    await aclSetup();
+
+    this.httpServer.listen(port);
+  }
+}