Add a per-username denylist so individual accounts (service accounts like
administrator, krbtgt, guest, ldap$) can be excluded from LDAP sync,
independent of the group/OU include-filter which only scopes the search.
- schema: LdapConfig.userExcludeList String[] (+ migration)
- sync: skip excluded usernames (case-insensitive) before recording the DN,
so an already-imported user added to the list gets deactivated next sync
- DTO / config service / controller / scheduler: thread userExcludeList through
- web: exclude-list admin UI section (add/remove/save) + de/en translations
- tests: 3 specs covering empty list, case-insensitive skip, deactivation
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
ldapts represents a missing/absent LDAP attribute as an empty array
([]), not undefined -- entry['mail'] is [] when an account has no mail
set. The field-mapping loop did Array.isArray(value) ? String(value[0])
: ..., and String(undefined) is the literal string "undefined". Every
synced entry without that attribute got mappedData['email'] = "undefined"
(a truthy string, so the `|| fallback` never kicked in), and the second
such entry onward crashed with a unique constraint violation on email
since they all shared the exact same literal string.
Found live: syncing against a real Zentyal/Samba AD directory failed
on every entry after the first (Kevin Schaller, krbtgt, Guest, the DC
computer object, etc.) with "Unique constraint failed on the fields:
(email)".
Fix: resolve array values to their first element (or use the raw
value for non-arrays) and only keep it when actually present and
non-empty, so a genuinely missing attribute falls through to the
`${username}@ldap.local` fallback instead of the string "undefined".
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Username lookups (login, admin seed, LDAP sync) compared case-sensitively
against a stored value with whatever casing it was created with, so
"Admin" and "admin" were treated as different accounts.
Normalizes at every write and read path: UserService.create/update
lowercase the username before persisting, findByUsername lowercases
the lookup input, AuthService.validateUser lowercases before the login
query, AdminSeedService lowercases the configured admin username, and
the LDAP sync loop lowercases the mapped sAMAccountName before using it
for lookup/create/update -- so AD casing differences don't create
duplicate accounts either.
Added a data migration to lowercase any existing mixed-case usernames.
It relies on the User.username unique constraint to fail loudly if two
existing accounts would collide after normalizing, rather than silently
merging them.
Verified locally: logged in with "ADMIN" (uppercase) against the
existing lowercase "admin" account after rebuilding the API image.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
bindDn and bindPassword are now optional on LdapConfig (nullable
migration) and throughout the DTOs/service/client -- an admin can
leave both blank to connect to directories that permit anonymous
read access. LdapService.bind() falls back to an RFC 4513 anonymous
bind (empty DN + empty password) whenever either field is missing,
shared across testConnection, listGroups, and syncUsersForTenant.
Frontend: removed the required attribute from Bind-DN/Bind-Passwort,
added a placeholder hint ("leer = anonymous bind"), and the
"Verbindung testen" button now only needs a Server-URL to enable
(not bindDn+bindPassword). Config responses now return bindPassword
as null (not a misleading "********") when no password is set.
Verified locally: submitted only a Server-URL with both bind fields
empty and confirmed the request reached the anonymous-bind code path
(DNS failure for the unreachable test host, not a validation error).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
"Verbindung testen" only appeared after a config was already saved,
so a fresh/never-configured tenant had no way to validate connection
details at all. Now the button is always visible; POST /ldap/test-connection
accepts optional ad-hoc serverUrl/bindDn/bindPassword and falls back
field-by-field to the saved config for anything omitted (bindPassword
in particular, since the form never re-sends the masked saved password).
Verified locally: tested with typed-but-unsaved values (base DN left
blank, nothing saved) and got a real connection attempt/error back,
not a 404 "no config" response.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
CreateLdapConfigDto's optional fields (searchFilter, syncIntervalMin,
isActive, groupFilterDns) had class-field default initializers.
NestJS's ValidationPipe instantiates DTOs via plainToInstance, which
applies those defaults even when the field is absent from the request
body -- so any partial PATCH not including a given field silently
reset it to the hardcoded default instead of leaving it untouched.
Caught by testing the new groupFilterDns-only PATCH: saving the group
filter alone reset searchFilter back to "(objectClass=person)",
clobbering the configured Active Directory filter. The service layer
already has its own `?? default` fallback for create, so the DTO
initializers were redundant and unsafe. Removing them makes updateConfig's
existing "only set if dto.field !== undefined" pattern behave correctly
for every optional field, not just the ones sent together in one request.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Adds listGroups() to browse AD groups/OUs under base DN, and
collectSearchEntries() to restrict syncUsersForTenant to members of
selected groups or users under selected OUs. Group DNs are matched
via escaped memberOf clauses (RFC 4515); OU DNs become extra search
bases. Empty groupFilterDns keeps the original single-base-DN search
unchanged. Controller sync endpoint and the sync scheduler both pass
groupFilterDns through so manual and scheduled syncs honor it.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Persists per-tenant AD group/OU DNs to restrict which directory
entries get synced. Empty array (default) preserves current
behavior — import everyone under base DN.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
- LdapService uses ldapts for DIRECTORY SYNC ONLY (anti-pattern avoidance)
- LdapConfigService creates default field mappings per D-16 (displayName, mail, sAMAccountName)
- Custom field mappings can be added/removed per D-17
- Per-tenant LDAP config per D-18
- syncUsersForTenant deactivates users removed from LDAP per D-15
- LdapSyncScheduler sets tenant context explicitly per Pitfall 2
- Manual sync endpoint POST /ldap/sync per D-14
- Auto-sync cron checks syncIntervalMin per D-14
- Test connection endpoint for LDAP config validation
- OpenLDAP + phpLDAPadmin added to docker-compose.dev.yml
- LDAP search filter sanitization per T-02-16
- bindPassword never returned in API responses per T-02-17
schalli