* Do not display the raw OpenID error in the UI
If there are no `WHITELIST_URIS` or `BLACKLIST_URIS` set in the openid
section of the app.ini, it is possible that gitea can leak sensitive
information about the local network through the error provided by the
UI. This PR hides the error information and logs it.
Fix#4973
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Update auth_openid.go
Place error log within the `err != nil` branch.
* Allow ENABLE_OPENID_SIGNUP to depend on DISABLE_REGISTRATION
Omit the configuration variable (the default) to be dependent.
Fixes#1363
* Move OpenID settings under Service object
* Show OpenID SignUp and SignIn status in admin panel / configuration
