acl-edit.js

acl editing with TripleDoc

import { fetchDocument } from 'tripledoc';

async function createAclDoc(webId: string, resourceUri: string, otherAuthMode: string, otherAuthClass: string, recursive = false) {
  const resourceDoc = await fetchDocument(resourceUri);
  console.log('got doc', resourceUri);
  const aclRef = resourceDoc.getAclRef();
  console.log('got acl ref', webId, resourceUri, aclRef);
  if (!aclRef) {
    throw new Error('Could not determine ACL ref for friends list');
  }
  let aclDoc
  try {
    await getDocument(aclRef);
    console.log('got acl doc');
  } catch (e) {
    console.log('creating acl doc');
    aclDoc = createDocument(aclRef);
  }
  if (aclDoc) {
    console.log('have aclDoc');
    const ownerAuthSub = aclDoc.addSubject();
    ownerAuthSub.addNodeRef(rdf.type, acl.Authorization);
    ownerAuthSub.addNodeRef(acl.accessTo, resourceDoc.asNodeRef());
    ownerAuthSub.addNodeRef(acl.default, resourceDoc.asNodeRef());
    ownerAuthSub.addNodeRef(acl.mode, acl.Read);
    ownerAuthSub.addNodeRef(acl.mode, acl.Write);
    ownerAuthSub.addNodeRef(acl.mode, acl.Control);
    ownerAuthSub.addNodeRef(acl.agent, webId);
    APP_ORIGINS.forEach((origin: string) => {
      ownerAuthSub.addNodeRef(acl.origin, origin);
    });

    const otherAuthSub = aclDoc.addSubject();
    otherAuthSub.addNodeRef(rdf.type, acl.Authorization);
    otherAuthSub.addNodeRef(acl.accessTo, resourceDoc.asNodeRef());
    if (recursive) {
      otherAuthSub.addNodeRef(acl.default, resourceDoc.asNodeRef());
    }
    otherAuthSub.addNodeRef(acl.mode, otherAuthMode);
    otherAuthSub.addNodeRef(otherAuthPredicate, otherAuthObject);
    if (otherAuthObject !== foaf.Agent) { // for public, origin isn't checked
      APP_ORIGINS.forEach((origin: string) => {
        otherAuthSub.addNodeRef(acl.origin, origin);
      });
    }

    aclDoc.save();
  } else {
    console.log('have no aclDoc');
  }
}