Initial commit (code only without large binaries)

EdgeNode/internal/waf/checkpoints/request_form_arg.go

@@ -0,0 +1,54 @@
+package checkpoints
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
+	"github.com/TeaOSLab/EdgeNode/internal/waf/utils"
+	"github.com/iwind/TeaGo/maps"
+	"net/url"
+)
+
+// RequestFormArgCheckpoint ${requestForm.arg}
+type RequestFormArgCheckpoint struct {
+	Checkpoint
+}
+
+func (this *RequestFormArgCheckpoint) RequestValue(req requests.Request, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
+	hasRequestBody = true
+
+	if this.RequestBodyIsEmpty(req) {
+		value = ""
+		return
+	}
+
+	if req.WAFRaw().Body == nil {
+		value = ""
+		return
+	}
+
+	var bodyData = req.WAFGetCacheBody()
+	if len(bodyData) == 0 {
+		data, err := req.WAFReadBody(req.WAFMaxRequestSize()) // read body
+		if err != nil {
+			return "", hasRequestBody, err, nil
+		}
+
+		bodyData = data
+		req.WAFSetCacheBody(data)
+		req.WAFRestoreBody(data)
+	}
+
+	// TODO improve performance
+	values, _ := url.ParseQuery(string(bodyData))
+	return values.Get(param), hasRequestBody, nil, nil
+}
+
+func (this *RequestFormArgCheckpoint) 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 *RequestFormArgCheckpoint) CacheLife() utils.CacheLife {
+	return utils.CacheMiddleLife
+}