For security and privacy reasons, I want to setup my own server for syncing bookmarks and history in Firefox browser. We have Sync 1.1 which supports MySQL or LDAP backend for user authentication - at least according to the Mozilla docs. Altough the linked engine doc from SQLAlchemy doesn't contain any information how to use LDAP. Only relational databases like MySQL or Postgres are listed, also on other dialects. The entire docs doesn't even contain the term LDAP.
In Sync 1.5 which is the current supported release (1.1 is deprecated since Firefox 29), I couldn't find any information about LDAP. Also not on the related account-server for Firefox. Using LDAP as account-backend would be very handy, since all my self hosted applications like Nextcloud for example are compatible. This avoids messing up with many accounts on e.g. password-changes.
How can I use LDAP as user-store for Firefox sync?