Return a more useful error on /register spec compliance violation (#1792)

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Neil Alexander 2021-03-08 13:57:15 +00:00 committed by GitHub
parent 5acf30cd3c
commit 5912429d53
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1 changed files with 14 additions and 2 deletions

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@ -502,11 +502,23 @@ func Register(
// Squash username to all lowercase letters
r.Username = strings.ToLower(r.Username)
if r.Type == authtypes.LoginTypeApplicationService && accessTokenErr == nil {
switch {
case r.Type == authtypes.LoginTypeApplicationService && accessTokenErr == nil:
// Spec-compliant case (the access_token is specified and the login type
// is correctly set, so it's an appservice registration)
if resErr = validateApplicationServiceUsername(r.Username); resErr != nil {
return *resErr
}
} else {
case accessTokenErr == nil:
// Non-spec-compliant case (the access_token is specified but the login
// type is not known or specified)
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.MissingArgument("A known registration type (e.g. m.login.application_service) must be specified if an access_token is provided"),
}
default:
// Spec-compliant case (neither the access_token nor the login type are
// specified, so it's a normal user registration)
if resErr = validateUsername(r.Username); resErr != nil {
return *resErr
}