@Override
    @PostMapping("/**/" + OidcConstants.PUSHED_AUTHORIZE_URL)
    @Operation(summary = "Handle OIDC Pushed authorization request")
    public ModelAndView handleRequestPost(final HttpServletRequest request, final HttpServletResponse response) throws Throwable {
        val webContext = new JEEContext(request, response);
        if (!getConfigurationContext().getIssuerService().validateIssuer(webContext, List.of(OidcConstants.PUSHED_AUTHORIZE_URL))) {
            return OAuth20Utils.writeError(response, OAuth20Constants.INVALID_REQUEST, "Invalid issuer");
        }
        return super.handleRequest(request, response);
    }
This is {@link OidcPushedAuthorizeEndpointController}.

@author Misagh Moayyed
@since 5.0.0
support/cas-server-support-oidc-core-api/src/main/java/org/apereo/cas/oidc/web/controllers/authorize/OidcPushedAuthorizeEndpointController.java