63 lines
2.0 KiB
Go
63 lines
2.0 KiB
Go
// JSON WEB TOKEN 层
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package jwt
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import (
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"time"
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"github.com/1340691923/xwl_bi/model"
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"github.com/1340691923/xwl_bi/platform-basic-libs/my_error"
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"github.com/1340691923/xwl_bi/platform-basic-libs/util"
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jwt "github.com/golang-jwt/jwt"
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)
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type Claims struct {
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UserID int32 `json:"id"`
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Username string `json:"username"`
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RealName string `json:"real_name"`
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RoleId int32 `json:"role_id"`
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jwt.StandardClaims
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}
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//生成token
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func GenerateToken(gmUser model.GmUserModel) (string, error) {
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nowTime := time.Now()
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expireTime := nowTime.Add(24 * time.Hour) //token过期时间24小时
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//加入保存信息
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claims := Claims{
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gmUser.ID,
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gmUser.Username,
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gmUser.Realname,
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gmUser.RoleId,
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jwt.StandardClaims{
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ExpiresAt: expireTime.Unix(),
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Issuer: "xiao-wen-long",
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},
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}
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tokenClaims := jwt.NewWithClaims(jwt.SigningMethodHS256, claims) //jwt.SigningMethodHS256 加密规则
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/*NewWithClaims(method SigningMethod, claims Claims)，method对应着SigningMethodHMAC struct{}
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，其包含SigningMethodHS256、SigningMethodHS384、SigningMethodHS512三种crypto.Hash方案
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*/
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token, err := tokenClaims.SignedString(util.Str2bytes(model.GlobConfig.Manager.JwtSecret)) // SignedString 该方法内部生成签名字符串，再用于获取完整、已签名的token
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if err != nil {
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err = my_error.NewBusiness(TOKEN_ERROR, ERROR_AUTH_TOKEN)
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return token, err
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}
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return token, err
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}
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//解析token
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func ParseToken(token string) (*Claims, error) {
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tokenClaims, err := jwt.ParseWithClaims(token, &Claims{}, func(token *jwt.Token) (interface{}, error) { //ParseWithClaims 用于解析鉴权的声明，方法内部主要是具体的解码和校验的过程，最终返回*Token
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return util.Str2bytes(model.GlobConfig.Manager.JwtSecret), nil
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})
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if tokenClaims != nil {
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if claims, ok := tokenClaims.Claims.(*Claims); ok && tokenClaims.Valid { //Valid 验证基于时间的声明exp, iat, nbf，注意如果没有任何声明在令牌中，仍然会被认为是有效的。并且对于时区偏差没有计算方法
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return claims, nil
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}
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}
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return nil, err
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}
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