fix bind

Author: lz1998

pkg/gmc/handler/bot.go

@@ -55,7 +55,7 @@ func init() {
 
 func CreateBot(c *gin.Context) {
 	req := &dto.CreateBotReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request, not protobuf")
 		return
@@ -78,7 +78,7 @@ func CreateBot(c *gin.Context) {
 
 func DeleteBot(c *gin.Context) {
 	req := &dto.DeleteBotReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request, not protobuf")
 		return
@@ -95,7 +95,7 @@ func DeleteBot(c *gin.Context) {
 
 func ListBot(c *gin.Context) {
 	req := &dto.ListBotReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request, not protobuf")
 		return
@@ -121,7 +121,7 @@ func ListBot(c *gin.Context) {
 
 func SolveCaptcha(c *gin.Context) {
 	req := &dto.SolveCaptchaReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request, not protobuf")
 		return
@@ -144,7 +144,7 @@ func SolveCaptcha(c *gin.Context) {
 
 func FetchQrCode(c *gin.Context) {
 	req := &dto.FetchQRCodeReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request, not protobuf")
 		return
@@ -175,7 +175,7 @@ func QueryQRCodeStatus(c *gin.Context) {
 	queryQRCodeMutex.Lock()
 	defer queryQRCodeMutex.Unlock()
 	req := &dto.QueryQRCodeStatusReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, fmt.Sprintf("failed to bind, %+v", err))
 		return
@@ -232,7 +232,7 @@ func QueryQRCodeStatus(c *gin.Context) {
 
 func ListPlugin(c *gin.Context) {
 	req := &dto.ListPluginReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request")
 		return
@@ -268,7 +268,7 @@ func ListPlugin(c *gin.Context) {
 
 func SavePlugin(c *gin.Context) {
 	req := &dto.SavePluginReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request")
 		return
@@ -311,7 +311,7 @@ func SavePlugin(c *gin.Context) {
 
 func DeletePlugin(c *gin.Context) {
 	req := &dto.DeletePluginReq{}
-	err := c.Bind(req)
+	err := Bind(c, req)
 	if err != nil {
 		c.String(http.StatusBadRequest, "bad request")
 		return

pkg/gmc/handler/middlewares.go

@@ -1,6 +1,12 @@
 package handler
 
-import "github.com/gin-gonic/gin"
+import (
+	"errors"
+	"io/ioutil"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang/protobuf/proto"
+)
 
 func CORSMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
@@ -17,3 +23,18 @@ func CORSMiddleware() gin.HandlerFunc {
 		c.Next()
 	}
 }
+
+func Bind(c *gin.Context, req any) error {
+	buf, err := ioutil.ReadAll(c.Request.Body)
+	if err != nil {
+		return err
+	}
+	if r, ok := req.(proto.Message); ok {
+		if err := proto.Unmarshal(buf, r); err != nil {
+			return err
+		}
+	} else {
+		return errors.New("obj is not ProtoMessage")
+	}
+	return nil
+}