jwt 认证初步完成

server/home-user-auth/internal/svc/servicecontext.go

@@ -1,14 +1,17 @@
 package svc
 
 import (
+	"errors"
+	"fmt"
 	"fusenapi/server/home-user-auth/internal/config"
+	"net/http"
 
+	"github.com/golang-jwt/jwt"
 	"github.com/zeromicro/go-zero/core/stores/sqlx"
 )
 
 type ServiceContext struct {
-	Config config.Config
-
+	Config    config.Config
 	MysqlConn sqlx.SqlConn
 }
 
@@ -18,3 +21,29 @@ func NewServiceContext(c config.Config) *ServiceContext {
 		MysqlConn: sqlx.NewMysql(c.SourceMysql),
 	}
 }
+
+func (svcCxt *ServiceContext) ParseJwtToken(r *http.Request) (jwt.MapClaims, error) {
+	AuthKey := r.Header.Get("Authorization")
+	if len(AuthKey) <= 50 {
+		return nil, errors.New(fmt.Sprint("Error parsing token, len:", len(AuthKey)))
+	}
+
+	token, err := jwt.Parse(AuthKey, func(token *jwt.Token) (interface{}, error) {
+		// 检查签名方法是否为 HS256
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		// 返回用于验证签名的密钥
+		return []byte(svcCxt.Config.Auth.AccessSecret), nil
+	})
+	if err != nil {
+		return nil, errors.New(fmt.Sprint("Error parsing token:", err))
+	}
+
+	// 验证成功返回
+	if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, errors.New(fmt.Sprint("Invalid token", err))
+}