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[Bug]: File with UTF8 causing sync issues (Sieh dir das an … 👀.txt)

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Description

⚠️ This issue respects the following points: ⚠️

Bug description

Some Nextcloud version back a file Sieh dir das an … 👀.txt was created (notice the UTF8 eyes char).

This is now giving issues, and I am not able to delete it.
Neither via

  • Nextcloud web interface
  • Nexcloud Desktop Sync client on Mac

The file is displayed in the filesystem (xfs) as Sieh dir das an … 👀.txt
in the web interface, it is displayed as Sieh dir das an … ?

Upon deletion via the web interface, Nextcloud logs show HTTP 404:

2a02:1748:dd5d:4de0:dc91:b426:9d05:dddb - - [24/Oct/2023:21:31:30 +0000] "DELETE /remote.php/dav/files/[email protected]/Sieh%20dir%20das%20an%C2%A0%E2%80%A6%20%3F.txt HTTP/1.0" 404 864 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0"

Steps to reproduce

Not sure - somehow the file Sieh dir das an … 👀.txt is there and cannot be removed.

Expected behavior

  1. Being able to manage such file.
  2. Being able to delete such file.

Installation method

Community Docker image

Nextcloud Server version

26

Operating system

Debian/Ubuntu

PHP engine version

None

Web server

Apache (supported)

Database engine version

MariaDB

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

What user-backends are you using?

  • Default user-backend (database)
  • LDAP/ Active Directory
  • SSO - SAML
  • Other

Configuration report

"system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "version": "26.0.7.0",
        "installed": true,
        "dbtype": "mysql",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbtableprefix": "oc_",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "forcessl": true,
        "blacklisted_files": [
            ".htaccess"
        ],
        "overwritehost": "",
        "overwriteprotocol": "https",
        "overwritewebroot": "",
        "overwritecondaddr": "",
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "localhost",
            "cloud.xxx.eu",
        ],
        "theme": "",
        "default_language": "en",
        "3rdpartyroot": "",
        "3rdpartyurl": "",
        "defaultapp": "files",
        "knowledgebaseenabled": true,
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpsecure": "tls",
        "mail_smtpdebug": false,
        "mail_smtpmode": "smtp",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtptimeout": 10,
        "mail_smtpauthtype": "LOGIN",
        "memcached_server": [
            "www.xxx.eu",
            11211
        ],
        "trashbin_retention_obligation": "auto, 90",
        "versions_retention_obligation": "auto, 365",
        "allow_user_to_change_display_name": true,
        "appcodechecker": true,
        "updatechecker": false,
        "has_internet_connection": true,
        "check_for_working_webdav": true,
        "check_for_working_htaccess": true,
        "log_type": "file",
        "logfile": "\/var\/www\/html\/data\/nextcloud.log",
        "loglevel": 2,
        "logdateformat": "Y-m-d H:i:s",
        "logtimezone": "Europe\/Vienna",
        "log_query": false,
        "log_authfailip": false,
        "log_rotate_size": false,
        "remember_login_cookie_lifetime": 1296000,
        "session_lifetime": 86400,
        "session_keepalive": true,
        "xframe_restriction": true,
        "maintenance": false,
        "apps_paths": [
            {
                "path": "\/var\/www\/html\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/html\/custom_apps",
                "url": "\/custom_apps",
                "writable": true
            }
        ],
        "customclient_desktop": "",
        "customclient_android": "",
        "customclient_ios": "",
        "enable_previews": true,
        "preview_max_x": 1024,
        "preview_max_y": 1024,
        "preview_max_scale_factor": 1,
        "preview_libreoffice_path": "\/usr\/bin\/libreoffice",
        "preview_office_cl_parameters": "",
        "enable_avatars": true,
        "openssl": [],
        "singleuser": false,
        "secret": "***REMOVED SENSITIVE VALUE***",
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "overwrite.cli.url": "https:\/\/cloud.xxx.eu",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 6379,
            "dbindex": 0,
            "password": "***REMOVED SENSITIVE VALUE***"
        },
        "filelocking.enabled": true,
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "updater.release.channel": "stable",
        "mysql.utf8mb4": true,
        "allow_local_remote_servers": true,
        "default_phone_region": "AT",
        "mail_smtpauth": 1,
        "mail_sendmailmode": "smtp",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***"
    }
}

List of activated Apps

Enabled:
  - activity: 2.18.0
  - admin_audit: 1.16.0
  - bruteforcesettings: 2.6.0
  - calendar: 4.5.2
  - checksum: 1.2.2
  - circles: 26.0.0
  - cloud_federation_api: 1.9.0
  - contacts: 5.4.2
  - contactsinteraction: 1.7.0
  - cookbook: 0.10.2
  - dashboard: 7.6.0
  - dav: 1.25.0
  - deck: 1.9.3
  - federatedfilesharing: 1.16.0
  - federation: 1.16.0
  - files: 1.21.1
  - files_markdown: 2.4.1
  - files_pdfviewer: 2.7.0
  - files_rightclick: 1.5.0
  - files_sharing: 1.18.0
  - files_trashbin: 1.16.0
  - files_versions: 1.19.1
  - firstrunwizard: 2.15.0
  - logreader: 2.11.0
  - lookup_server_connector: 1.14.0
  - nextcloud_announcements: 1.15.0
  - notes: 4.8.1
  - notifications: 2.14.0
  - oauth2: 1.14.1
  - onlyoffice: 7.9.2
  - password_policy: 1.16.0
  - phonetrack: 0.7.6
  - photos: 2.2.0
  - previewgenerator: 5.3.0
  - privacy: 1.10.0
  - provisioning_api: 1.16.0
  - recommendations: 1.5.0
  - related_resources: 1.1.0
  - serverinfo: 1.16.0
  - settings: 1.8.0
  - sharebymail: 1.16.0
  - spreed: 16.0.6
  - systemtags: 1.16.0
  - tasks: 0.15.0
  - text: 3.7.2
  - theming: 2.1.1
  - twofactor_backupcodes: 1.15.0
  - twofactor_totp: 8.0.0
  - unsplash: 2.2.1
  - updatenotification: 1.16.0
  - user_status: 1.6.0
  - viewer: 1.10.0
  - weather_status: 1.6.0
  - workflowengine: 2.8.0
Disabled:
  - comments: 1.16.0 (installed 1.9.0)
  - encryption: 2.14.0
  - files_external: 1.18.0
  - support: 1.9.0 (installed 1.2.1)
  - survey_client: 1.14.0 (installed 1.7.0)
  - suspicious_login: 4.4.0
  - user_ldap: 1.16.0

Nextcloud Signing status

No errors have been found.

Nextcloud Logs

2a02:1748:dd5d:4de0:dc91:b426:9d05:dddb - - [24/Oct/2023:21:31:30 +0000] "DELETE /remote.php/dav/files/[email protected]/Sieh%20dir%20das%20an%C2%A0%E2%80%A6%20%3F.txt HTTP/1.0" 404 864 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0"

Additional info

No response

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