func (c *AuthorizeExplicitGrantHandler) HandleAuthorizeEndpointRequest(ctx context.Context, req *http.Request, ar fosite.AuthorizeRequester, resp fosite.AuthorizeResponder) error {
// This let's us define multiple response types, for example open id connect's id_token
if !ar.GetResponseTypes().Exact("code") {
return nil
}
if !ar.GetClient().GetResponseTypes().Has("code") {
return errors.Wrap(fosite.ErrInvalidGrant, "")
}
if !fosite.IsRedirectURISecure(ar.GetRedirectURI()) {
return errors.Wrap(fosite.ErrInvalidRequest, "")
}
client := ar.GetClient()
for _, scope := range ar.GetRequestedScopes() {
if !c.ScopeStrategy(client.GetScopes(), scope) {
return errors.Wrap(fosite.ErrInvalidScope, fmt.Sprintf("The client is not allowed to request scope %s", scope))
}
}
return c.IssueAuthorizeCode(ctx, req, ar, resp)
}