RouteNotFoundException on untrusted domain access

[patschi]

Steps to reproduce

1. Just waiting until anyone tries to access nextcloud using untrusted domain

Expected behaviour

No error.

Actual behaviour

Following error showed up:

Level: Error
App: no app in context
Message:
Symfony\Component\Routing\Exception\RouteNotFoundException: Unable to generate a URL for the named route "theming.Theming.getLogo" as such route does not exist.
/var/www/nextcloud/lib/private/Route/Router.php - line 339: Symfony\Component\Routing\Generator\UrlGenerator->generate('theming.Theming...', Array, 1)
/var/www/nextcloud/lib/private/Route/CachingRouter.php - line 60: OC\Route\Router->generate('theming.Theming...', Array, false)
/var/www/nextcloud/lib/private/URLGenerator.php - line 70: OC\Route\CachingRouter->generate('theming.Theming...', Array)
/var/www/nextcloud/apps/theming/lib/ThemingDefaults.php - line 156: OC\URLGenerator->linkToRoute('theming.Theming...')
/var/www/nextcloud/lib/public/Defaults.php - line 186: OCA\Theming\ThemingDefaults->getLogo(true)
/var/www/nextcloud/core/templates/layout.guest.php - line 45: OCP\Defaults->getLogo()
/var/www/nextcloud/lib/private/Template/Base.php - line 176: include('/var/www/nextcl...')
/var/www/nextcloud/lib/private/Template/Base.php - line 151: OC\Template\Base->load('/var/www/nextcl...', NULL)
/var/www/nextcloud/lib/private/legacy/template.php - line 202: OC\Template\Base->fetchPage(NULL)
/var/www/nextcloud/lib/private/legacy/template.php - line 224: OC_Template->fetchPage()
/var/www/nextcloud/lib/private/Template/Base.php - line 132: OC_Template->fetchPage()
/var/www/nextcloud/lib/base.php - line 809: OC\Template\Base->printPage()
/var/www/nextcloud/lib/base.php - line 1082: OC init()
/var/www/nextcloud/index.php - line 38: require_once('/var/www/nextcl...')
{main}

Level: Warning
App: core
Message:
Trusted domain error. "<any_client_ip>" tried to access using "<cloud_ip>" as host.

Server configuration

Operating system: Ubuntu 16.04 LTS
Web server: nginx
Database: MariaDB
PHP version: 7.0
Nextcloud version: 12.0.0.29
Updated from an older Nextcloud/ownCloud or fresh install: Fresh

[patschi]

@blizzz Should this issue being considered as starter issue and feature: theming?

[blizzz]

I don't know whether it's a starter one, but theming related it is.

cc @nextcloud/theming @LukasReschke

[MorrisJobke]

I can reproduce:

• set a logo in the theming app
• remove the domain you are using from the trusted_domains
• open the Nextcloud

[MorrisJobke]

Fix is in #5821