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paopao-ce/internal/middleware/jwt.go

114 lines
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package middleware
import (
"strings"
"github.com/dgrijalva/jwt-go"
"github.com/gin-gonic/gin"
"github.com/rocboss/paopao-ce/internal/conf"
"github.com/rocboss/paopao-ce/internal/model"
"github.com/rocboss/paopao-ce/pkg/app"
"github.com/rocboss/paopao-ce/pkg/errcode"
)
func JWT() gin.HandlerFunc {
// TODO: optimize get user from a simple service that provide fetch a user info interface.
db := conf.MustGormDB()
return func(c *gin.Context) {
var (
token string
ecode = errcode.Success
)
if s, exist := c.GetQuery("token"); exist {
token = s
} else {
token = c.GetHeader("Authorization")
// 验证前端传过来的token格式不为空开头为Bearer
if token == "" || !strings.HasPrefix(token, "Bearer ") {
response := app.NewResponse(c)
response.ToErrorResponse(errcode.UnauthorizedTokenError)
c.Abort()
return
}
// 验证通过提取有效部分除去Bearer)
token = token[7:]
}
if token == "" {
ecode = errcode.InvalidParams
} else {
claims, err := app.ParseToken(token)
if err != nil {
switch err.(*jwt.ValidationError).Errors {
case jwt.ValidationErrorExpired:
ecode = errcode.UnauthorizedTokenTimeout
default:
ecode = errcode.UnauthorizedTokenError
}
} else {
c.Set("UID", claims.UID)
c.Set("USERNAME", claims.Username)
// 加载用户信息
user := &model.User{
Model: &model.Model{
ID: claims.UID,
},
}
user, _ = user.Get(db)
c.Set("USER", user)
// 强制下线机制
if (conf.JWTSetting.Issuer + ":" + user.Salt) != claims.Issuer {
ecode = errcode.UnauthorizedTokenTimeout
}
}
}
if ecode != errcode.Success {
response := app.NewResponse(c)
response.ToErrorResponse(ecode)
c.Abort()
return
}
c.Next()
}
}
func JwtLoose() gin.HandlerFunc {
// TODO: optimize get user from a simple service that provide fetch a user info interface.
db := conf.MustGormDB()
return func(c *gin.Context) {
token, exist := c.GetQuery("token")
if !exist {
token = c.GetHeader("Authorization")
// 验证前端传过来的token格式不为空开头为Bearer
if strings.HasPrefix(token, "Bearer ") {
// 验证通过提取有效部分除去Bearer)
token = token[7:]
} else {
c.Next()
}
}
if len(token) > 0 {
if claims, err := app.ParseToken(token); err == nil {
c.Set("UID", claims.UID)
c.Set("USERNAME", claims.Username)
// 加载用户信息
user := &model.User{
Model: &model.Model{
ID: claims.UID,
},
}
user, err := user.Get(db)
if err == nil && (conf.JWTSetting.Issuer+":"+user.Salt) == claims.Issuer {
c.Set("USER", user)
}
}
}
c.Next()
}
}