diff --git a/models/auth/oauth2.go b/models/auth/oauth2.go index 83d60e3abe..5eabc7d9b4 100644 --- a/models/auth/oauth2.go +++ b/models/auth/oauth2.go @@ -144,6 +144,11 @@ func (app *OAuth2Application) TableName() string { // ContainsRedirectURI checks if redirectURI is allowed for app func (app *OAuth2Application) ContainsRedirectURI(redirectURI string) bool { + // OAuth2 requires the redirect URI to be an exact match, no dynamic parts are allowed. + // https://stackoverflow.com/questions/55524480/should-dynamic-query-parameters-be-present-in-the-redirection-uri-for-an-oauth2 + // https://www.rfc-editor.org/rfc/rfc6819#section-5.2.3.3 + // https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest + // https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics-12#section-3.1 contains := func(s string) bool { s = strings.TrimSuffix(strings.ToLower(s), "/") for _, u := range app.RedirectURIs {