Webauthn\PublicKeyCredentialDescriptor::createFromArray(): Argument #1 ($json) must be of type array, Webauthn\ublicKeyCredentialDescriptor given

[ChristophWurst]

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Steps to reproduce

1. Configure the v2.1.0-beta.1 of the app
2. Log out
3. Log in
4. Select webauthn as second factor
5. Try to solve the 2FA challenge

Expected behaviour

I pass the 2FA challenge

Actual behaviour

I see a server error.

{
  "reqId": "abc",
  "level": 3,
  "time": "2025-01-15T17:10:48+00:00",
  "remoteAddr": "1.2.3.4",
  "user": "christoph",
  "app": "index",
  "method": "POST",
  "url": "/login/challenge/webauthn?redirect_url=/apps/dashboard/",
  "message": "Webauthn\\PublicKeyCredentialDescriptor::createFromArray(): Argument #1 ($json) must be of type array, Webauthn\\PublicKeyCredentialDescriptor given, called in /var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialRequestOptions.php on line 184 in file '/var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialDescriptor.php' line 96",
  "userAgent": "Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0",
  "version": "30.0.5.0",
  "exception": {
    "Exception": "Exception",
    "Message": "Webauthn\\PublicKeyCredentialDescriptor::createFromArray(): Argument #1 ($json) must be of type array, Webauthn\\PublicKeyCredentialDescriptor given, called in /var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialRequestOptions.php on line 184 in file '/var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialDescriptor.php' line 96",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/nextcloud/lib/private/AppFramework/App.php",
        "line": 161,
        "function": "dispatch",
        "class": "OC\\AppFramework\\Http\\Dispatcher",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/private/Route/Router.php",
        "line": 302,
        "function": "main",
        "class": "OC\\AppFramework\\App",
        "type": "::"
      },
      {
        "file": "/var/www/nextcloud/lib/base.php",
        "line": 1007,
        "function": "match",
        "class": "OC\\Route\\Router",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/index.php",
        "line": 24,
        "function": "handleRequest",
        "class": "OC",
        "type": "::"
      }
    ],
    "File": "/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",
    "Line": 146,
    "Previous": {
      "Exception": "TypeError",
      "Message": "Webauthn\\PublicKeyCredentialDescriptor::createFromArray(): Argument #1 ($json) must be of type array, Webauthn\\PublicKeyCredentialDescriptor given, called in /var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialRequestOptions.php on line 184",
      "Code": 0,
      "Trace": [
        {
          "file": "/var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialRequestOptions.php",
          "line": 184,
          "function": "createFromArray",
          "class": "Webauthn\\PublicKeyCredentialDescriptor",
          "type": "::",
          "args": [
            "*** sensitive parameters replaced ***"
          ]
        },
        {
          "file": "/var/www/nextcloud/apps/twofactor_webauthn/lib/Service/WebAuthnManager.php",
          "line": 287,
          "function": "createFromArray",
          "class": "Webauthn\\PublicKeyCredentialRequestOptions",
          "type": "::",
          "args": [
            "*** sensitive parameters replaced ***"
          ]
        },
        {
          "file": "/var/www/nextcloud/apps/twofactor_webauthn/lib/Provider/WebAuthnProvider.php",
          "line": 100,
          "function": "finishAuthenticate",
          "class": "OCA\\TwoFactorWebauthn\\Service\\WebAuthnManager",
          "type": "->"
        },
        {
          "file": "/var/www/nextcloud/lib/private/Authentication/TwoFactorAuth/Manager.php",
          "line": 238,
          "function": "verifyChallenge",
          "class": "OCA\\TwoFactorWebauthn\\Provider\\WebAuthnProvider",
          "type": "->",
          "args": [
            "*** sensitive parameters replaced ***"
          ]
        },
        {
          "file": "/var/www/nextcloud/core/Controller/TwoFactorChallengeController.php",
          "line": 169,
          "function": "verifyChallenge",
          "class": "OC\\Authentication\\TwoFactorAuth\\Manager",
          "type": "->",
          "args": [
            "*** sensitive parameters replaced ***"
          ]
        },
        {
          "file": "/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",
          "line": 208,
          "function": "solveChallenge",
          "class": "OC\\Core\\Controller\\TwoFactorChallengeController",
          "type": "->",
          "args": [
            "*** sensitive parameters replaced ***"
          ]
        },
        {
          "file": "/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",
          "line": 114,
          "function": "executeController",
          "class": "OC\\AppFramework\\Http\\Dispatcher",
          "type": "->"
        },
        {
          "file": "/var/www/nextcloud/lib/private/AppFramework/App.php",
          "line": 161,
          "function": "dispatch",
          "class": "OC\\AppFramework\\Http\\Dispatcher",
          "type": "->"
        },
        {
          "file": "/var/www/nextcloud/lib/private/Route/Router.php",
          "line": 302,
          "function": "main",
          "class": "OC\\AppFramework\\App",
          "type": "::"
        },
        {
          "file": "/var/www/nextcloud/lib/base.php",
          "line": 1007,
          "function": "match",
          "class": "OC\\Route\\Router",
          "type": "->"
        },
        {
          "file": "/var/www/nextcloud/index.php",
          "line": 24,
          "function": "handleRequest",
          "class": "OC",
          "type": "::"
        }
      ],
      "File": "/var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialDescriptor.php",
      "Line": 96
    },
    "message": "Webauthn\\PublicKeyCredentialDescriptor::createFromArray(): Argument #1 ($json) must be of type array, Webauthn\\PublicKeyCredentialDescriptor given, called in /var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialRequestOptions.php on line 184 in file '/var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialDescriptor.php' line 96",
    "exception": {},
    "CustomMessage": "Webauthn\\PublicKeyCredentialDescriptor::createFromArray(): Argument #1 ($json) must be of type array, Webauthn\\PublicKeyCredentialDescriptor given, called in /var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialRequestOptions.php on line 184 in file '/var/www/nextcloud/apps/twofactor_webauthn/vendor/web-auth/webauthn-lib/src/PublicKeyCredentialDescriptor.php' line 96"
  }
}

Server configuration

Web server: Apache/Nginx

Database: MySQL/Maria/SQLite/PostgreSQL

PHP version: 8.1/8.2/8.3

Nextcloud version: (see Nextcloud admin page)

List of activated apps

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your Nextcloud installation folder

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

Browser

Browser name: Firefox/Chrome/Safari/…

Browser version: 124/125/…

Operating system: Windows/Ubuntu/Mac/…

Browser log

[ChristophWurst]

This happened while the instance was patched with nextcloud/server#47396. This could be related.

[ChristophWurst]

It works after revert.