feat: Integrate WAC-Allow header support

config/presets/ldp/response-writer.json

@@ -43,6 +43,9 @@
               "LinkRelMetadataWriter:_linkRelMap_value": "acl"
             }
           ]
+        },
+        {
+          "@type": "WacAllowMetadataWriter"
         }
       ]
     },

test/integration/LdpHandlerWithAuth.test.ts

@@ -75,6 +75,7 @@ describe.each(stores)('An LDP handler with auth using %s', (name, { storeUrn, te
     expect(response._getBuffer().toString()).toContain('TESTFILE2');
     expect(response.getHeaders().link).toContain(`<${LDP.Resource}>; rel="type"`);
     expect(response.getHeaders().link).toContain(`<${id}.acl>; rel="acl"`);
+    expect(response.getHeaders()['wac-allow']).toBe('user="read write append",public="read write append"');
 
     // DELETE file
     await resourceHelper.deleteResource(id);
@@ -107,6 +108,7 @@ describe.each(stores)('An LDP handler with auth using %s', (name, { storeUrn, te
     expect(response._getBuffer().toString()).toContain('TEST');
     expect(response.getHeaders().link).toContain(`<${LDP.Resource}>; rel="type"`);
     expect(response.getHeaders().link).toContain(`<http://test.com/permanent.txt.acl>; rel="acl"`);
+    expect(response.getHeaders()['wac-allow']).toBe('user="read",public="read"');
 
     // Try to delete permanent file
     response = await resourceHelper.deleteResource('http://test.com/permanent.txt', true);
@@ -147,5 +149,6 @@ describe.each(stores)('An LDP handler with auth using %s', (name, { storeUrn, te
 
     const response = await resourceHelper.performRequest(new URL('http://test.com/.acl'), 'GET', { accept: '*/*' });
     expect(response.statusCode).toBe(200);
+    expect(response.getHeaders()['wac-allow']).toBe('user="control",public="control"');
   });
 });

test/integration/ServerWithAuth.test.ts

@@ -112,5 +112,6 @@ describe('A server with authorization', (): void => {
       [],
     );
     expect(response.statusCode).toBe(200);
+    expect(response.getHeaders()['wac-allow']).toBe('user="read write append",public="read write append"');
   });
 });