Function findBlockingLock

lib/interfaces/webdav-locks.ts:40–59

(userId: string, path: string, presentedTokens: string[])

// A lock on any ancestor collection with Depth: infinity covers this path too.
export function findBlockingLock(userId: string, path: string, presentedTokens: string[]): WebDavLock | null {
  const exactLock = locksByKey.get(buildKey(userId, path));

  if (exactLock && !isExpired(exactLock) && !presentedTokens.includes(exactLock.token)) {
    return exactLock;
  }

  for (const ancestorPath of getAncestorPaths(path)) {
    const ancestorLock = locksByKey.get(buildKey(userId, ancestorPath));

    if (
      ancestorLock && ancestorLock.depth === 'infinity' && !isExpired(ancestorLock) &&
      !presentedTokens.includes(ancestorLock.token)
    ) {
      return ancestorLock;
    }
  }

  return null;
}

export function acquireLock(userId: string, path: string, depth: 'infinity' | '0'): { token: string } | null {
  if (findBlockingLock(userId, path, [])) {