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The Basics
- Nextcloud Server version (e.g., 29.x.x):
31.0.9
- Operating system and version (e.g., Ubuntu 24.04):
Debian 13
- Web server and version (e.g, Apache 2.4.25):
Apache 2.4.65
- Reverse proxy and version _(e.g. nginx 1.27.2)
None
- PHP version (e.g, 8.3):
8.4.11
- Is this the first time you’ve seen this error? (Yes / No):
Yes
- When did this problem seem to first start?
Dicovered yesterday
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
Bare Metal
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
No
Summary of the issue you are facing:
Accessing Nextcloud via webdav bypasses the oidc configuration.
Steps to replicate it (hint: details matter!):
Myabe we are doing something wrong but here is our problem.
This is our scenario:
- Nextcloud with LDAP integration
- Keycloak with LDAP user federation
- OpenID Connect user backend installed and configured, mandatory, in Nextcloud
- A LDAP federated user with 2FA configured in Keycloak
- Running rclone via webdav to sync files to a number of different computers using the above mentioned user
Problem:
Rclone can access the files using only username and password, bypassing the configured OpenID Connect user backend. When the user logs in with a web broswer it works as expected (redirected to the Keycloak login page).
Expected:
Access should not be possible using only username and password.
Configuration
Nextcloud
The output of occ config:list system or similar is best, but, if not possible, the contents of your config.php file from /path/to/nextcloud is fine (make sure to remove any identifiable information!):
{
system": {
"instanceid": "***REMOVED SENSITIVE VALUE***",
"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"secret": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"xxxx:xxxx:xxxx:xxxx::xxxx",
"xxx.xxx.xxx.xxx",
"nextcloud.erxample.com"
],
"datadirectory": "***REMOVED SENSITIVE VALUE***",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbport": "",
"dbtableprefix": "oc_",
"dbtype": "mysql",
"default_phone_region": "SE",
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"installed": true,
"ldapIgnoreNamingRules": false,
"ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
"user_oidc": {
"allow_multiple_user_backends": true,
"auto_provision": false,
"disable_account_creation": true
},
"log_type": "file",
"logfile": "\/var\/log\/nextcloud\/nextcloud.log",
"logfilemode": 416,
"loglevel": 2,
"logdateformat": "F d, Y H:i:s",
"lost_password_link": "disabled",
"maintenance": false,
"memcache.local": "\\OC\\Memcache\\APCu",
"mysql.utf8mb4": true,
"overwrite.cli.url": "https:\/\/nextcloud.example.com",
"session_lifetime": 7200,
"theme": "",
"version": "31.0.9.1",
"trusted_proxies": "***REMOVED SENSITIVE VALUE***",
"twofactor_enforced": "true",
"twofactor_enforced_groups": [
"2FA"
],
"twofactor_enforced_excluded_groups": [],
"mail_from_address": "***REMOVED SENSITIVE VALUE***",
"mail_smtpmode": "smtp",
"mail_sendmailmode": "smtp",
"mail_domain": "***REMOVED SENSITIVE VALUE***",
"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
"mail_smtpport": "587",
"maintenance_window_start": 1,
"simpleSignUpLink.shown": false,
"app_install_overwrite": [],
"redis": {
"host": "***REMOVED SENSITIVE VALUE***",
"port": "0",
"dbindex": 0
},
"memcache.locking": "\\OC\\Memcache\\Redis"
}
}
Apps
The output of occ app:list (if possible).
Enabled:
- activity: 4.0.0
- app_api: 5.0.2
- bruteforcesettings: 4.0.0
- calendar: 5.5.7
- circles: 31.0.0
- cloud_federation_api: 1.14.0
- comments: 1.21.0
- contacts: 7.3.4
- contactsinteraction: 1.12.0
- dashboard: 7.11.0
- dav: 1.33.0
- federatedfilesharing: 1.21.0
- federation: 1.21.0
- files: 2.3.1
- 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
- firstrunwizard: 4.0.0
- groupfolders: 19.1.8
- logreader: 4.0.0
- lookup_server_connector: 1.19.0
- mail: 5.5.11
- nextcloud_announcements: 3.0.0
- notifications: 4.0.0
- notify_push: 1.2.0
- oauth2: 1.19.1
- password_policy: 3.0.0
- photos: 4.0.0
- privacy: 3.0.0
- profile: 1.0.0
- provisioning_api: 1.21.0
- recommendations: 4.0.0
- related_resources: 2.0.0
- richdocuments: 8.7.6
- richdocumentscode: 25.4.504
- serverinfo: 3.0.0
- settings: 1.14.0
- sharebymail: 1.21.0
- spreed: 21.1.5
- support: 3.0.0
- survey_client: 3.0.0
- systemtags: 1.21.1
- text: 5.0.0
- theming: 2.6.1
- twofactor_backupcodes: 1.20.0
- twofactor_totp: 13.0.0-dev.0
- updatenotification: 1.21.0
- user_ldap: 1.22.0
- user_oidc: 8.1.0
- user_status: 1.11.0
- viewer: 4.0.0
- weather_status: 1.11.0
- webhook_listeners: 1.2.0
- workflowengine: 2.13.0
Disabled:
- admin_audit: 1.21.0
- encryption: 2.19.0
- files_external: 1.23.0
- suspicious_login: 9.0.1
- twofactor_nextcloud_notification: 5.0.0
Any pointers?
But yeah, in that case, your workaround would probably be the only solution.
on the cake)