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77 lines
2.2 KiB
77 lines
2.2 KiB
package gateway
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import (
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"yunyan/lego/utils/crypto/md5"
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"yunyan/pb"
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"fmt"
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"net/http"
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"reflect"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v4"
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)
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var (
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httpReqTyoe, httpRespTyoe reflect.Type = reflect.TypeOf(&pb.Rpc_GatewayHttpRouteReq{}), reflect.TypeOf(&pb.Rpc_GatewayHttpRouteResp{})
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)
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// 判断接口名是否在白名单中
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func isInWhiteList(msgName string, whiteList []string) bool {
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for _, name := range whiteList {
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if name == msgName {
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return true
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}
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}
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return false
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}
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// 设置跨域
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func cors() gin.HandlerFunc {
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return func(c *gin.Context) {
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method := c.Request.Method
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origin := c.Request.Header.Get("Origin")
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if origin != "" {
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c.Header("Access-Control-Allow-Origin", origin) // 回显请求的 Origin，配合 Credentials 使用
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c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, UPDATE")
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c.Header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization")
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c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Cache-Control, Content-Language, Content-Type")
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c.Header("Access-Control-Allow-Credentials", "true")
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}
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if method == "OPTIONS" {
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c.AbortWithStatus(http.StatusNoContent)
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}
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c.Next()
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}
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}
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func parseToken(tokenString string, secretKey []byte) (*jwt.RegisteredClaims, error) {
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parsedToken, err := jwt.ParseWithClaims(tokenString, &jwt.RegisteredClaims{}, func(token *jwt.Token) (interface{}, error) {
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// Ensure the token method conforms to "SigningMethodHMAC"
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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return secretKey, nil
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})
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if err != nil {
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return nil, err
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}
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// Validate the token and extract the claims
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if claims, ok := parsedToken.Claims.(*jwt.RegisteredClaims); ok && parsedToken.Valid {
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return claims, nil
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} else {
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return nil, fmt.Errorf("invalid token")
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}
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}
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// 签名接口
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func ParamSign(key string, ts string) (sign string) {
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builder := strings.Builder{}
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builder.WriteString("ts=" + ts)
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builder.WriteString("key=" + key)
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orgin := builder.String()
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// fmt.Println(orgin)
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sign = md5.MD5EncToLower(orgin)
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return
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}
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