/
jwt.go
54 lines (43 loc) · 1.03 KB
/
jwt.go
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package middleware
import (
"fmt"
"github.com/dgrijalva/jwt-go"
"github.com/ebar-go/ego/component/auth"
"github.com/ebar-go/ego/http/response"
"github.com/gin-gonic/gin"
"strings"
)
var claimsKey = "claims"
// GetClaims get claims from context
func GetClaims(ctx *gin.Context) (jwt.MapClaims, bool) {
value, exist := ctx.Get(claimsKey)
if !exist {
return nil, false
}
return value.(jwt.MapClaims), true
}
// JWT gin的jwt中间件
func JWT(jwtAuth auth.Jwt) gin.HandlerFunc {
validator := func(ctx *gin.Context) error {
token := strings.TrimPrefix(ctx.GetHeader("Authorization"), "Bearer ")
if token == "" {
return fmt.Errorf("invalid token")
}
claims, err := jwtAuth.ParseToken(token)
if err != nil {
return fmt.Errorf("parse token: %v", err)
}
// 令牌信息存入context
ctx.Set(claimsKey, claims)
return nil
}
return func(ctx *gin.Context) {
// 解析token
if err := validator(ctx); err != nil {
response.WrapContext(ctx).Error(401, err.Error())
ctx.Abort()
return
}
ctx.Next()
}
}