1.4.5.2

EdgeNode/internal/waf/checkpoints/request_json_arg.go

@@ -0,0 +1,54 @@
+package checkpoints
+
+import (
+	"encoding/json"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
+	wafutils "github.com/TeaOSLab/EdgeNode/internal/waf/utils"
+	"github.com/iwind/TeaGo/maps"
+	"strings"
+)
+
+// RequestJSONArgCheckpoint ${requestJSON.arg}
+type RequestJSONArgCheckpoint struct {
+	Checkpoint
+}
+
+func (this *RequestJSONArgCheckpoint) RequestValue(req requests.Request, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
+	var bodyData = req.WAFGetCacheBody()
+	hasRequestBody = true
+	if len(bodyData) == 0 {
+		data, err := req.WAFReadBody(req.WAFMaxRequestSize()) // read body
+		if err != nil {
+			return "", hasRequestBody, err, nil
+		}
+
+		bodyData = data
+		req.WAFSetCacheBody(data)
+		defer req.WAFRestoreBody(data)
+	}
+
+	// TODO improve performance
+	var m any = nil
+	err := json.Unmarshal(bodyData, &m)
+	if err != nil || m == nil {
+		return "", hasRequestBody, nil, err
+	}
+
+	value = utils.Get(m, strings.Split(param, "."))
+	if value != nil {
+		return value, hasRequestBody, nil, err
+	}
+	return "", hasRequestBody, nil, nil
+}
+
+func (this *RequestJSONArgCheckpoint) ResponseValue(req requests.Request, resp *requests.Response, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
+	if this.IsRequest() {
+		return this.RequestValue(req, param, options, ruleId)
+	}
+	return
+}
+
+func (this *RequestJSONArgCheckpoint) CacheLife() wafutils.CacheLife {
+	return wafutils.CacheMiddleLife
+}