shift-jis(shift_jis, cp932, sjis-win) text file garbled when view web browser direct.

[falconws]

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Steps to reproduce

1. Make text file including Japanese character encoded by shift-jis.(attach sample file this issue(text.txt).)
2. Upload this text file to Nextcloud using the browser (drag and drop).
3. Click the uploaded text file.

test.txt

Expected behavior

Text file content shows correctly.

Actual behavior

Garbled(broken) content was shown as text file content.

Server configuration

Operating system: Ubuntu Server 20.04 LTS

Web server:
Database:
PHP version:
Where did you install Nextcloud from:

I'm using Nextcloud official docker below.
https://github.com/nextcloud/docker/tree/master/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm

Nextcloud version: (see Nextcloud admin page)

Nextcloud 18.0.4

Updated from an older Nextcloud/ownCloud or fresh install:

Fresh install(built from docker).

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list

Enabled:
  - accessibility: 1.4.0
  - activity: 2.11.0
  - bruteforcesettings: 1.6.0
  - calendar: 2.0.3
  - cloud_federation_api: 1.1.0
  - comments: 1.8.0
  - dav: 1.14.0
  - documentserver_community: 0.1.5
  - federatedfilesharing: 1.8.0
  - federation: 1.8.0
  - files: 1.13.1
  - files_external: 1.9.0
  - files_pdfviewer: 1.7.0
  - files_rightclick: 0.15.2
  - files_sharing: 1.10.1
  - files_trashbin: 1.8.0
  - files_versions: 1.11.0
  - files_videoplayer: 1.7.0
  - firstrunwizard: 2.7.0
  - logreader: 2.3.0
  - lookup_server_connector: 1.6.0
  - nextcloud_announcements: 1.7.0
  - notifications: 2.6.0
  - oauth2: 1.6.0
  - password_policy: 1.8.0
  - photos: 1.0.0
  - privacy: 1.2.0
  - provisioning_api: 1.8.0
  - recommendations: 0.6.0
  - serverinfo: 1.8.0
  - settings: 1.0.0
  - sharebymail: 1.8.0
  - support: 1.1.0
  - survey_client: 1.6.0
  - systemtags: 1.8.0
  - text: 2.0.0
  - theming: 1.9.0
  - twofactor_backupcodes: 1.7.0
  - updatenotification: 1.8.0
  - viewer: 1.2.0
  - workflowengine: 2.0.0
Disabled:
  - admin_audit
  - encryption
  - user_ldap

Nextcloud configuration:

Config report

{
    "system": {
        "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
            }
        ],
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "password": "***REMOVED SENSITIVE VALUE***",
            "port": 6379
        },
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "example.org"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "18.0.4.2",
        "overwrite.cli.url": "https:\/\/example.org",
        "overwriteprotocol": "https",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "default_language": "ja",
        "default_locale": "ja_JP"
    }
}

Are you using external storage, if yes which one: local/smb/sftp/...

yes. using local only.

Are you using encryption: yes/no

no.

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...

no.

Client configuration

Browser: Google Chrome Stable

Operating system: Windows 10 and macOS

Logs

Web server error log

Web server error log

error.log is empty. my env is docker so error.log is

# ls -la /var/log/nginx/error.log 
lrwxrwxrwx    1 root     root            11 Apr 24 12:58 /var/log/nginx/error.log -> /dev/stderr

# docker-compose logs show me access.log(not error.log).

Nextcloud log (data/nextcloud.log)

Nextcloud log

I try
# tail -f nextcloud.log
and doing the step to reproduce(3).
But output log is empty.

Browser log

Browser log

a) The javascript console log
Opening the viewer with a single string parameter is deprecated. Please use a 
destructuring object instead OCA.Viewer.open({ path: '/test.txt' })  Viewer.js:97

Opening viewer for file  /test.txt  Viewer.vue:219
moment is deprecated: please ship your own, this will be removed in Nextcloud 20  global.js:66

[juliusknorr]

Probably related to #824

[luka-nextcloud]

I think this is not an issue, files show correctly but if it's a .txt file there is no actions bar shown.

[juliusknorr]

Was fixed with #2385