Authentication with OpenID Connect providers (#305)

Fix setting auth config from api in state

Verify auth state before authenticating

Add showing openid providers on login

Parse auth config from /info

Add authentication through openid

Add openid auth component

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/305
Co-Authored-By: konrad <konrad@kola-entertainments.de>
Co-Committed-By: konrad <konrad@kola-entertainments.de>

src/router/index.js

@@ -8,6 +8,7 @@ import ErrorComponent from '../components/misc/error'
 // User Handling
 import LoginComponent from '../views/user/Login'
 import RegisterComponent from '../views/user/Register'
+import OpenIdAuth from '@/views/user/OpenIdAuth'
 // Tasks
 import ShowTasksInRangeComponent from '../views/tasks/ShowTasksInRange'
 import LinkShareAuthComponent from '../views/sharing/LinkSharingAuth'
@@ -267,5 +268,10 @@ export default new Router({
 			name: 'filters.create',
 			component: CreateSavedFilter,
 		},
+		{
+			path: '/auth/openid/:provider',
+			name: 'openid.auth',
+			component: OpenIdAuth,
+		},
 	],
 })