in saml-authentication-server/src/main/java/jetbrains/buildServer/controllers/json/JsonControllerAction.java [55:60]
public boolean canProcess(@NotNull HttpServletRequest request) {
boolean canProcess = this.paramName != null && this.paramValue != null
&& this.paramValue.equals(request.getParameter(this.paramName))
&& this.method != null && request.getMethod().equals(this.method.name());
return canProcess;
}