nextcloud / nextcloud/impersonate

422 strict cookie has not been found

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0. Needs triage bug needs info
Dominant language
PHP
Stars
70
Forks
18
Avg merge
5d 19h
Merged PRs (30d)
25

Description

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Steps to reproduce
  1. Impersonate a user
  2. got the error 422
  3. go back to / url, impersonate works

If you disconnect and impersonate again the 422 error is replaced by a 404, indeed I am redirected to/index.php/index.php/apps/files yes twice index.php ...

Expected behaviour

No error page

Actual behaviour

Image

Server configuration

Web server: Docker + nginx behind a traefik

Database: Mariadb

PHP version: 8.3

Nextcloud version: 31.0.5

List of activated apps 
Enabled:
  - activity: 4.0.0
  - admin_audit: 1.21.0
  - app_api: 5.0.2
  - bbb: 2.8.0
  - bruteforcesettings: 4.0.0
  - calendar: 5.3.2
  - circles: 31.0.0
  - cloud_federation_api: 1.14.0
  - comments: 1.21.0
  - contacts: 7.1.3
  - contactsinteraction: 1.12.0
  - dashboard: 7.11.0
  - dav: 1.33.0
  - deck: 1.15.1
  - federatedfilesharing: 1.21.0
  - files: 2.3.1
  - files_accesscontrol: 2.0.0
  - files_automatedtagging: 2.0.0
  - 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
  - forms: 5.1.0
  - groupfolders: 19.1.0
  - impersonate: 2.0.0
  - logreader: 4.0.0
  - lookup_server_connector: 1.19.0
  - nextcloud_announcements: 3.0.0
  - notifications: 4.0.0
  - oauth2: 1.19.1
  - onlyoffice: 9.9.0
  - password_policy: 3.0.0
  - photos: 4.0.0-dev.1
  - privacy: 3.0.0
  - profile: 1.0.0
  - provisioning_api: 1.21.0
  - recommendations: 4.0.0
  - related_resources: 2.0.0
  - serverinfo: 3.0.0
  - settings: 1.14.0
  - sharebymail: 1.21.0
  - side_menu: 5.1.1
  - support: 3.0.0
  - survey_client: 3.0.0
  - systemtags: 1.21.1
  - tasks: 0.16.1
  - text: 5.0.0
  - theming: 2.6.1
  - twofactor_backupcodes: 1.20.0
  - updatenotification: 1.21.0
  - user_ldap: 1.22.0
  - viewer: 4.0.0
  - weather_status: 1.11.0
  - webhook_listeners: 1.2.0
  - workflowengine: 2.13.0
Nextcloud configuration 
If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

{
    "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
            }
        ],
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            ***REMOVED SENSITIVE VALUE***",
            ***REMOVED SENSITIVE VALUE***"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "31.0.5.1",
        "overwrite.cli.url": "https:\/\/nextcloud.socinfo.fr",
        "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,
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "onlyoffice": {
            "editors_check_interval": 0
        },
        "allow_local_remote_servers": "true",
        "maintenance": false,
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "25",
        "default_language": "fr",
        "default_locale": "fr_FR",
        "skeletondirectory": "",
        "loglevel": "2",
        "defaultapp": "files",
        "theme": "",
        "default_phone_region": "FR",
        "app_install_overwrite": [
            "ldap_write_support",
            "impersonate",
            "apporder",
            "bbb"
        ],
        "mail_smtpsecure": "",
        "maintenance_window_start": "1",
        "lost_password_link": "https:\/\/dolibarr.socinfo.fr\/user\/passwordforgotten.php"
    }
}
Browser

Browser name: Firefox

Browser version: 139

Operating system: GNU/Linux Debian

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source files or tests are named. Start by reproducing the impersonation flow on the reported Nextcloud 31.0.5 stack, then trace the cookie and redirect handling around the 422 and duplicated index.php path. Done means impersonation returns without an error and redirects to the correct URL.

Written by the indexing model from the issue text.

Assessment

Tech stack
docker, mariadb, nginx, php
Domain
authentication, backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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