email requirement not enforced

[kousu]

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Steps to reproduce

1. Install nextcloud, user_ldap, ldap_write_support, and hook it all up to an LDAP server
2. In ldap settings, enable "An LDAP user must have an email address set."
3. Run php occ user:add User2 -g Group1 -g Group2 -g Group3 in your nextcloud install folder, and provide a new password as requested.

Expected behaviour

The user should be rejected because --email was not given.

Actual behaviour

LDAP users are created with no emails:

LDIF

# slapcat

# ...
dn: uid=user1,dc=files,dc=tilde,dc=xyz
objectClass: inetOrgPerson
uid: User1
displayName: User1
cn: User1
sn: User1
structuralObjectClass: inetOrgPerson
entryUUID: fc8ba328-cf8d-103f-985f-e331a8fa2229
creatorsName: cn=admin,dc=files,dc=tilde,dc=xyz
createTimestamp: 20250527213334Z
userPassword:: e1NTSEF9N0ZETzg2d1g4Z3pLMzQ1bVNqem9lYW1XdUdVTkZzSGE=
entryCSN: 20250527213334.215688Z#000000#000#000000
modifyTimestamp: 20250527213334Z
memberOf: cn=group1,dc=files,dc=tilde,dc=xyz
memberOf: cn=group2,dc=files,dc=tilde,dc=xyz
memberOf: cn=group3,dc=files,dc=tilde,dc=xyz
modifiersName: cn=admin,dc=files,dc=tilde,dc=xyz
# ....

Server configuration

Web server: Nginx

Database: PostgreSQL

PHP version: 8.2

Nextcloud version: 31.0.5

List of activated apps

Enabled:
  - appointments: 2.4.4
  - bruteforcesettings: 4.0.0
  - calendar: 5.2.4
  - calendar_resource_management: 0.9.0
  - circles: 31.0.0
  - cloud_federation_api: 1.14.0
  - collectives: 2.17.1
  - comments: 1.21.0
  - contacts: 7.1.1
  - cospend: 3.0.11
  - dav: 1.33.0
  - federatedfilesharing: 1.21.0
  - files: 2.3.1
  - files_accesscontrol: 2.0.0
  - files_downloadlimit: 4.0.0
  - files_pdfviewer: 4.0.0
  - files_reminders: 1.4.0
  - files_sharing: 1.23.1
  - files_trashbin: 1.21.0
  - files_versions: 1.24.0
  - forms: 5.1.0
  - gpxpod: 7.0.4
  - groupfolders: 19.0.4
  - impersonate: 2.0.0
  - ldap_write_support: 1.13.0
  - logreader: 4.0.0
  - lookup_server_connector: 1.19.0
  - mail: 5.1.1
  - money: 0.30.0
  - notifications: 4.0.0
  - oauth2: 1.19.1
  - polls: 7.4.3
  - previewgenerator: 5.8.0
  - privacy: 3.0.0
  - profile: 1.0.0
  - provisioning_api: 1.21.0
  - richdocuments: 8.6.5
  - richdocumentscode: 24.4.1303
  - serverinfo: 3.0.0
  - settings: 1.14.0
  - sociallogin: 6.0.1
  - survey_client: 3.0.0
  - text: 5.0.0
  - theming: 2.6.1
  - twofactor_backupcodes: 1.20.0
  - twofactor_nextcloud_notification: 5.0.0
  - twofactor_totp: 13.0.0-dev.0
  - updatenotification: 1.21.0
  - user_ldap: 1.22.0
  - viewer: 4.0.0
  - webhook_listeners: 1.2.0
  - workflowengine: 2.13.0
Disabled:
  - activity: 4.0.0 (installed 2.17.0)
  - admin_audit: 1.21.0
  - app_api: 5.0.2 (installed 5.0.2)
  - contactsinteraction: 1.12.0 (installed 1.6.0)
  - dashboard: 7.11.0 (installed 7.5.0)
  - deck: 1.15.1 (installed 1.15.1)
  - encryption: 2.19.0
  - federation: 1.21.0 (installed 1.15.0)
  - files_external: 1.23.0
  - files_rightclick: 0.15.1 (installed 1.6.0)
  - firstrunwizard: 4.0.0 (installed 2.14.0)
  - flow_notifications: 2.0.1 (installed 2.0.1)
  - hedgenext: 0.0.15 (installed 0.0.15)
  - nextcloud_announcements: 3.0.0 (installed 1.14.0)
  - password_policy: 3.0.0 (installed 1.15.0)
  - photos: 4.0.0-dev.1 (installed 2.0.1)
  - recommendations: 4.0.0 (installed 1.4.0)
  - related_resources: 2.0.0 (installed 1.0.3)
  - sharebymail: 1.21.0 (installed 1.15.0)
  - shifts: 1.9.10 (installed 1.9.10)
  - spreed: 21.0.4 (installed 21.0.4)
  - support: 3.0.0 (installed 1.8.0)
  - suspicious_login: 9.0.1 (installed 4.3.0)
  - systemtags: 1.21.1 (installed 1.15.0)
  - theming_customcss: 1.18.0 (installed 1.18.0)
  - user_status: 1.11.0 (installed 1.5.0)
  - weather_status: 1.11.0 (installed 1.5.0)
  - workflow_script: 2.0.0 (installed 2.0.0)

Nextcloud configuration

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "org.yota.space"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "skeletondirectory": "",
        "dbtype": "mysql",
        "version": "31.0.5.1",
        "overwrite.cli.url": "https:\/\/org.yota.space",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "memcache.local": "\\OC\\Memcache\\APCu",
        "default_phone_region": "CA",
        "maintenance": false,
        "maintenance_window_start": 0,
        "enable_previews": true,
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauthtype": "LOGIN",
        "mail_smtpauth": 1,
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "app_install_overwrite": [
            "files_ebookreader",
            "listman"
        ],
        "theme": "",
        "loglevel": 2,
        "defaultapp": "files",
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "profile.enabled": false
    }
}