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jwt.go
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jwt.go
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/*
* Copyright 2020 opensourceai
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jwt
import (
"github.com/opensourceai/go-api-service/pkg/app"
"net/http"
"github.com/dgrijalva/jwt-go"
"github.com/gin-gonic/gin"
"github.com/opensourceai/go-api-service/pkg/e"
"github.com/opensourceai/go-api-service/pkg/util"
)
// jwt 认证中间件
func JWT() gin.HandlerFunc {
return func(c *gin.Context) {
var code int
var data interface{}
var claims *util.Claims
var err error
code = e.SUCCESS
// 获取头信息中的token
token := c.GetHeader("Authorization")
if token == "" {
code = e.ERROR_AUTH_NOT_FOUND_TOKEN
} else {
claims, err = util.ParseToken(token)
if err != nil {
switch err.(*jwt.ValidationError).Errors {
case jwt.ValidationErrorExpired:
code = e.ERROR_AUTH_CHECK_TOKEN_TIMEOUT
default:
code = e.ERROR_AUTH_CHECK_TOKEN_FAIL
}
}
}
if code != e.SUCCESS {
g := app.Gin{C: c}
g.Response(http.StatusUnauthorized, code, data)
c.Abort()
return
}
if claims != nil {
c.Set("username", claims.Username)
c.Set("userId", claims.Id)
}
c.Next()
}
}