package com.atlassian.sal.core.xsrf;
   
   import com.atlassian.sal.api.xsrf.XsrfHeaderValidator;
   import com.atlassian.sal.api.xsrf.XsrfRequestValidator;
   import com.atlassian.sal.api.xsrf.XsrfTokenValidator;
   
   import javax.servlet.http.HttpServletRequest;
   
   /**
   * Provides an implementation of checking if a request
   * contains either a valid Cross-site request forgery(xsrf) token or a
   * valid xsrf header {@link com.atlassian.sal.api.xsrf.XsrfHeaderValidator#TOKEN_HEADER}.
   *
   * @since v2.10.18
   */
  public class XsrfRequestValidatorImpl implements XsrfRequestValidator {
      private static final XsrfHeaderValidator headerValidator =
              new XsrfHeaderValidator();
      private final XsrfTokenValidator tokenValidator;
  
      public XsrfRequestValidatorImpl(XsrfTokenValidator tokenValidator) {
          this.tokenValidator = tokenValidator;
      }
  
      /**
       * Returns true iff the given request has a valid xsrf token or a
       * valid xsrf header.
       *
       * @param request the request to check.
       * @return true iff the given request has a valid xsrf token or a
       * valid xsrf header.
       */
      public boolean validateRequestPassesXsrfChecks(HttpServletRequest request) {
          return headerValidator.requestHasValidXsrfHeader(request) ||
                  tokenValidator.validateFormEncodedToken(request);
      }
  }