101 lines
2.2 KiB
Go
101 lines
2.2 KiB
Go
package route
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import (
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"errors"
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"net/http"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt"
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"github.com/shockliu/logger"
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)
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var (
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jwtSecret = []byte("www.cnrehab.cn")
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)
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type devClaims struct {
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User int `json:"user"` // 用户
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jwt.StandardClaims
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}
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func CreateToken(user int) string {
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// 生成token
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claims := devClaims{
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User: user,
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StandardClaims: jwt.StandardClaims{
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NotBefore: int64(time.Now().Unix() - 10), // 签名生效时间
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// ExpiresAt: int64(time.Now().Unix() + 14*24*3600), // 签名过期时间
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ExpiresAt: int64(time.Now().Unix() + 6*3600), // 签名过期时间
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Issuer: "cnrehab.cn", // 签名颁发者
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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ts, err := token.SignedString(jwtSecret)
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if err != nil {
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logger.Error(err.Error())
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return ""
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}
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return ts
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}
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// midware for token-auth
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func TokenAuth() gin.HandlerFunc {
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return func(c *gin.Context) {
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ts := c.Request.Header.Get("Token")
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if ts == "" {
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logger.Warnf("请求未携带Token,无访问权限")
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c.JSON(http.StatusOK, gin.H{
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"code": 90001,
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"msg": "请求未携带Token,无访问权限",
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})
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c.Abort()
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return
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}
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// 解析token
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claims, err := parseToken(ts)
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if err == nil {
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//fmt.Println("ParseToken:",claims)
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c.Set("TK_User", claims.User)
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return
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} else {
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// expired
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logger.Warnf("Token失效,请重新登录")
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logger.Debugf("测试token-1:%s\n", CreateToken(1))
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c.JSON(http.StatusOK, gin.H{
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"code": 90001,
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"msg": "Token失效,请重新登录",
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})
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c.Abort()
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}
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}
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}
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/*
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解析token
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*/
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func parseToken(tokenstring string) (*devClaims, error) {
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token, err := jwt.ParseWithClaims(tokenstring, &devClaims{}, func(token *jwt.Token) (any, error) {
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return jwtSecret, nil
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})
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if err != nil {
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return nil, errors.New("Token不可用")
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}
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if claims, ok := token.Claims.(*devClaims); ok && token.Valid {
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//fmt.Println("ParseToken:",claims,ok)
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return claims, nil
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}
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return nil, errors.New("token无效")
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}
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func FreshToken(c *gin.Context) {
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user := c.MustGet("TK_User").(int)
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ts := CreateToken(user)
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logger.Debugf("刷新Token成功:%d-%s\n", user, ts)
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c.JSON(http.StatusOK, gin.H{
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"code": 0,
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"token": ts,
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})
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}
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