New created files not locked

[q-wertz]

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Steps to reproduce

1. Locally open e.g. Libre Office and create a new file
2. Save it to the Nextcloud sync folder (tested for a "normal" folder and a group folder)
3. Saved file is not locked autmatically (after closing and opening Libre Office the file gets locked)

Expected behaviour

File is locked after creation when open in editor.

Actual behaviour

File is not locked, such that everyone could mess with it in the meantime.

Server configuration

Web server: Nginx

Database: Maria

PHP version: 8.3

Nextcloud version: 30.0.4

List of activated apps

Enabled:
  - activity: 3.0.0
  - admin_audit: 1.20.0
  - app_api: 4.0.3
  - bruteforcesettings: 3.0.0
  - calendar: 5.0.8
  - circles: 30.0.0
  - cloud_federation_api: 1.13.0
  - comments: 1.20.1
  - contacts: 6.1.1
  - dashboard: 7.10.0
  - dav: 1.31.1
  - deck: 1.14.2
  - drawio: 3.0.3
  - federatedfilesharing: 1.20.0
  - files: 2.2.0
  - files_downloadlimit: 3.0.0
  - files_external: 1.22.0
  - files_fulltextsearch: 30.0.0
  - files_lock: 30.0.0
  - files_pdfviewer: 3.0.0
  - files_reminders: 1.3.0
  - files_sharing: 1.22.0
  - files_trashbin: 1.20.1
  - files_versions: 1.23.0
  - firstrunwizard: 3.0.0
  - fulltextsearch: 30.0.0
  - groupfolders: 18.0.8
  - integration_gitlab: 3.1.2
  - integration_openproject: 2.7.2
  - logreader: 3.0.0
  - lookup_server_connector: 1.18.0
  - mail: 4.1.0
  - nextcloud_announcements: 2.0.0
  - notifications: 3.0.0
  - notify_push: 0.7.0
  - oauth2: 1.18.1
  - password_policy: 2.0.0
  - photos: 3.0.2
  - polls: 7.2.5
  - previewgenerator: 5.7.0
  - privacy: 2.0.0
  - provisioning_api: 1.20.0
  - quota_warning: 1.20.0
  - recommendations: 3.0.0
  - related_resources: 1.5.0
  - richdocuments: 8.5.3
  - serverinfo: 2.0.0
  - settings: 1.13.0
  - sharebymail: 1.20.0
  - smb_test: 0.3.10
  - support: 2.0.0
  - systemtags: 1.20.0
  - tasks: 0.16.1
  - text: 4.1.0
  - theming: 2.5.0
  - twofactor_backupcodes: 1.19.0
  - updatenotification: 1.20.0
  - user_ldap: 1.21.0
  - user_status: 1.10.0
  - viewer: 3.0.0
  - weather_status: 1.10.0
  - webhook_listeners: 1.1.0-dev
  - whiteboard: 1.0.4
  - workflowengine: 2.12.0
Disabled:
  - contactsinteraction: 1.11.0 (installed 1.2.0)
  - encryption: 2.18.0
  - federation: 1.20.0 (installed 1.15.0)
  - fulltextsearch_elasticsearch: 30.0.0 (installed 30.0.0)
  - survey_client: 2.0.0 (installed 1.4.0)
  - suspicious_login: 8.0.0
  - twofactor_nextcloud_notification: 4.0.0
  - twofactor_totp: 12.0.0-dev

Nextcloud configuration

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "nc.asdf.de"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "30.0.4.1",
        "overwrite.cli.url": "https:\/\/nc.asdf.de",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "mysql.utf8mb4": true,
        "maintenance": false,
        "session_lifetime": 604800,
        "session_keepalive": true,
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "25",
        "default_language": "de_DE",
        "default_locale": "de",
        "default_phone_region": "DE",
        "skeletondirectory": "",
        "loglevel": 2,
        "updater.release.channel": "stable",
        "app_install_overwrite": [
            "drawio"
        ],
        "mail_smtpsecure": "tls",
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "lost_password_link": "disabled",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        },
        "activity_use_cached_mountpoints": false,
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "maintenance_window_start": 1,
        "defaultapp": ""
    }
}

Browser

Browser name:

Browser version:

Operating system: Manjaro (with GNOME)

Browser log

Insert your browser log here, this could for example include:
a) The javascript console log
b) The network log
c) ...

[tomdereub]

Can't reproduce it on windows and linux mint, with nextcloud 30.0.6 and desktop client 3.15.3, files_lock 30.0.1, files is actually locked after creation.

[q-wertz]

Tried again on latest NC 31 server.
Same issue...

Not sure how exactly the locking mechanism is working (just checking for the temporary file of LibreOffice or is the NC client listening to some system events?).
When a new file is saved to a location there is no LibreOffice lock file. After closing LibreOffice and reopening the file a hidden .~lock.Untitled 1.ods# is created and the file is locked on the server.
So maybe also a LibreOffice issue (if NC relies on the presence of the lock file)?