Method MatchResponse

internal/waf/rule.go:290–383

(req requests.Request, resp *requests.Response)

}

func (this *Rule) MatchResponse(req requests.Request, resp *requests.Response) (b bool, hasRequestBody bool, err error) {
	if this.singleCheckpoint != nil {
		// if is request param
		if this.singleCheckpoint.IsRequest() {
			value, hasCheckRequestBody, err, _ := this.singleCheckpoint.RequestValue(req, this.singleParam, this.CheckpointOptions, this.Id)
			if hasCheckRequestBody {
				hasRequestBody = true
			}
			if err != nil {
				return false, hasRequestBody, err
			}

			// execute filters
			if len(this.ParamFilters) > 0 {
				value = this.execFilter(value)
			}

			return this.Test(value), hasRequestBody, nil
		}

		// response param
		value, hasCheckRequestBody, err, _ := this.singleCheckpoint.ResponseValue(req, resp, this.singleParam, this.CheckpointOptions, this.Id)
		if hasCheckRequestBody {
			hasRequestBody = true
		}
		if err != nil {
			return false, hasRequestBody, err
		}

		// if is composed checkpoint, we just returns true or false
		if this.singleCheckpoint.IsComposed() {
			return types.Bool(value), hasRequestBody, nil
		}

		return this.Test(value), hasRequestBody, nil
	}

	var value = configutils.ParseVariables(this.Param, func(varName string) (value string) {
		var pieces = strings.SplitN(varName, ".", 2)
		var prefix = pieces[0]
		point, ok := this.multipleCheckpoints[prefix]
		if !ok {
			return ""
		}

		if len(pieces) == 1 {
			if point.IsRequest() {
				value1, hasCheckRequestBody, err1, _ := point.RequestValue(req, "", this.CheckpointOptions, this.Id)
				if hasCheckRequestBody {
					hasRequestBody = true
				}
				if err1 != nil {
					err = err1
				}
				return this.stringifyValue(value1)
			} else {
				value1, hasCheckRequestBody, err1, _ := point.ResponseValue(req, resp, "", this.CheckpointOptions, this.Id)
				if hasCheckRequestBody {