[Bug]: Files from Local External Storage cannot be deleted in Maps (Error 403 / Permission Denied)

[wota1969]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• Maps app is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

Description:
When using a "Local" External Storage mount, the Maps app fails to delete files and shows a "Failed to delete" notification. While the Files app and the terminal can handle the deletion, the Maps app seems to encounter a 403 Forbidden error when trying to delete via the WebDAV interface.

Steps to reproduce:

Mount a local folder via files_external (Type: Local).

Open the Maps app and click on a photo located in that external storage.

Try to delete the photo using the delete button within the Maps interface.

Result: "Failed to delete" pops up.

Technical Context:

Storage Type: Local External Storage.

Environment: Docker (Nextcloud-AIO or official image).

Error Log: DELETE /remote.php/dav/files/user/folder/image.jpg HTTP/1.1" 403

Fix found: The issue was resolved by manually ensuring the Docker volume is mounted as :rw AND the host folder is owned by www-data (UID 33).

Expected Behavior:
The Maps app should provide a clearer error message if it lacks write permissions, or correctly inherit the deletion capabilities of the main Files app.

Steps to reproduce

Mount a local folder via files_external (Type: Local).

2.Open the Maps app and click on a photo located in that external storage.

3.Try to delete the photo using the delete button within the Maps interface.
4.
Result: "Failed to delete" pops up.

Expected behavior

The Maps app should provide a clearer error message if it lacks write permissions, or correctly inherit the deletion capabilities of the main Files app.

Installation method

Official Docker image

Operating system

Debian/Ubuntu

PHP engine version

Other

Web server

Apache (supported)

Database engine version

MariaDB

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

Fresh Nextcloud Server install

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

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": {
        "htaccess.RewriteBase": "\/",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "apps_paths": [
            {
                "path": "\/var\/www\/html\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/html\/custom_apps",
                "url": "\/custom_apps",
                "writable": true
            }
        ],
        "upgrade.disable-web": true,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "192.168.1.3:8080",
            "100.83.65.61:8080",
            "dell-wyse:8080"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "33.0.0.16",
        "overwrite.cli.url": "http:\/\/192.168.1.3:8080",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "app_install_overwrite": [
            "memories",
            "maps"
        ],
        "memories.db.triggers.fcu": true,
        "memories.exiftool": "\/var\/www\/html\/custom_apps\/memories\/bin-ext\/exiftool-amd64-glibc",
        "memories.vod.path": "\/var\/www\/html\/custom_apps\/memories\/bin-ext\/go-vod-amd64",
        "maintenance": false
    }
}

List of activated Apps

Enabled:
  - activity: 6.0.0-dev.0
  - app_api: 33.0.0
  - bruteforcesettings: 6.0.0-dev.0
  - calendar: 6.2.1
  - circles: 33.0.0
  - cloud_federation_api: 1.17.0
  - comments: 1.23.0
  - contacts: 8.4.1
  - contactsinteraction: 1.14.1
  - dashboard: 7.13.0
  - dav: 1.36.0
  - deck: 1.17.0
  - federatedfilesharing: 1.23.0
  - federation: 1.23.0
  - files: 2.5.0
  - files_downloadlimit: 5.1.0-dev.0
  - files_external: 1.25.1
  - files_pdfviewer: 6.0.0-dev.0
  - files_reminders: 1.6.0
  - files_sharing: 1.25.2
  - files_trashbin: 1.23.0
  - files_versions: 1.26.0
  - firstrunwizard: 6.0.0-dev.0
  - integration_openstreetmap: 3.0.0
  - logreader: 6.0.0
  - lookup_server_connector: 1.21.0
  - mail: 5.7.5
  - memories: 7.8.2
  - music: 3.0.0
  - nextcloud_announcements: 5.0.0
  - notes: 4.13.1
  - notifications: 6.0.0
  - oauth2: 1.21.0
  - password_policy: 5.0.0-dev.0
  - photos: 6.0.0-dev.0
  - previewgenerator: 5.13.0
  - privacy: 5.0.0-dev.0
  - profile: 1.2.0
  - provisioning_api: 1.23.0
  - recommendations: 6.0.0-dev.0
  - related_resources: 4.0.0-dev.0
  - serverinfo: 5.0.0-dev.0
  - settings: 1.16.0
  - sharebymail: 1.23.0
  - support: 5.0.0
  - survey_client: 5.0.0-dev.0
  - systemtags: 1.23.0
  - text: 7.0.0-dev.3
  - theming: 2.8.0
  - twofactor_backupcodes: 1.22.0
  - twofactor_totp: 15.0.0-dev.0
  - updatenotification: 1.23.0
  - user_status: 1.13.0
  - viewer: 6.0.0-dev.0
  - weather_status: 1.13.0
  - webhook_listeners: 1.5.0
  - workflowengine: 2.15.0
Disabled:
  - admin_audit: 1.23.0
  - encryption: 2.21.0
  - maps: 1.6.0 (installed 1.6.0)
  - suspicious_login: 11.0.0-dev.0
  - twofactor_nextcloud_notification: 7.0.0
  - user_ldap: 1.24.0

Nextcloud Signing status

Nextcloud Logs

Browser Console

Additional info

php 8.4

[lnxsamox86]

Hello,
the same issue but running natively on debian13.
When deleting any file on nextcloud (not just a photo), the Maps hook attempts to delete the route records associated with this file.
However, it uses the old execute() code that is no longer supported in Nextcloud 33.

Thanks