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import type { QName } from "@/worker/xml/namespaces";
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import { CALDAV_NS, CARDDAV_NS, DAV_NS, sameQName } from "@/worker/xml/namespaces";
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export const LIVE_DAV_PROPS = [
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  "creationdate",
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  "displayname",
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  "getcontentlanguage",
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  "getcontentlength",
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  "getcontenttype",
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  "getetag",
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  "getlastmodified",
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  "lockdiscovery",
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  "resourcetype",
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  "supportedlock",
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] as const;
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// Computed/protected DAV props that are never writable as dead props on any resource.
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// RFC 3744 (ACL), RFC 4791 (CalDAV), RFC 6352 (CardDAV), RFC 6578 (sync).
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const PROTECTED_DAV_LOCAL_NAMES_ALL = new Set<string>([
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  "getcontentlength",
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  "getcontenttype",
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  "getetag",
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  "getlastmodified",
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  "creationdate",
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  "lockdiscovery",
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  "supportedlock",
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  "resourcetype",
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  "supported-report-set",
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  "sync-token",
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  "owner",
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  "group",
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  "principal-collection-set",
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  "current-user-principal",
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  "current-user-privilege-set",
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  "supported-privilege-set",
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  "acl",
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  "acl-restrictions",
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  "inherited-acl-set",
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]);
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const PROTECTED_CALDAV_LOCAL_NAMES = new Set<string>([
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  "supported-calendar-data",
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  "supported-calendar-component-set",
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  "max-resource-size",
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  "calendar-home-set",
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  "calendar-user-address-set",
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  "calendar-user-type",
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  "schedule-inbox-URL",
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  "schedule-outbox-URL",
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]);
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const PROTECTED_CARDDAV_LOCAL_NAMES = new Set<string>([
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  "supported-address-data",
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  "max-resource-size",
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  "addressbook-home-set",
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]);
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export function davProp(localName: string): QName {
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  return { nsUri: DAV_NS, localName };
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}
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// Resource kinds for protected property policy. Collections accept displayname as a
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// settable property where the RFCs allow it; objects keep displayname as a live prop.
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export type DavResourcePropKind =
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  | "file-resource"
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  | "calendar-home"
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  | "calendar-collection"
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  | "calendar-object"
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  | "addressbook-home"
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  | "addressbook-collection"
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  | "addressbook-object";
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export function isProtectedLivePropForResource(prop: QName, kind: DavResourcePropKind): boolean {
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  if (prop.nsUri === DAV_NS) {
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    if (PROTECTED_DAV_LOCAL_NAMES_ALL.has(prop.localName)) return true;
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    // RFC 4791 4.2 / RFC 6352 5.2: displayname is mutable on calendar and address book
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    // collections; on file resources and objects, treat it as protected like other live props.
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    if (prop.localName === "displayname") {
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      return (
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        kind === "file-resource" ||
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        kind === "calendar-object" ||
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        kind === "addressbook-object" ||
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        kind === "calendar-home" ||
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        kind === "addressbook-home"
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      );
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    }
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    return false;
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  }
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  if (prop.nsUri === CALDAV_NS) return PROTECTED_CALDAV_LOCAL_NAMES.has(prop.localName);
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  if (prop.nsUri === CARDDAV_NS) return PROTECTED_CARDDAV_LOCAL_NAMES.has(prop.localName);
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  return false;
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}
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export function includesProp(props: QName[], wanted: QName): boolean {
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  return props.some((prop) => sameQName(prop, wanted));
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}
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export function defaultAllpropNames(): QName[] {
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  return LIVE_DAV_PROPS.map((name) => davProp(name));
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}