76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
package token
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import (
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"fmt"
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"github.com/dgrijalva/jwt-go"
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"kubesphere.io/kubesphere/pkg/api/iam"
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"kubesphere.io/kubesphere/pkg/server/errors"
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"time"
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)
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const DefaultIssuerName = "kubesphere"
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var errInvalidToken = errors.New("invalid token")
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type claims struct {
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Username string `json:"username"`
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UID string `json:"uid"`
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// Currently, we are not using any field in jwt.StandardClaims
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jwt.StandardClaims
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}
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type jwtTokenIssuer struct {
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name string
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secret []byte
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keyFunc jwt.Keyfunc
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}
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func (s *jwtTokenIssuer) Verify(tokenString string) (User, error) {
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if len(tokenString) == 0 {
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return nil, errInvalidToken
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}
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clm := &claims{}
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_, err := jwt.ParseWithClaims(tokenString, clm, s.keyFunc)
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if err != nil {
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return nil, err
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}
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return &iam.User{Username: clm.Username, Email: clm.UID}, nil
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}
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func (s *jwtTokenIssuer) IssueTo(user User) (string, error) {
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clm := &claims{
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Username: user.Name(),
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UID: user.UID(),
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StandardClaims: jwt.StandardClaims{
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IssuedAt: time.Now().Unix(),
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Issuer: s.name,
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NotBefore: time.Now().Unix(),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, clm)
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tokenString, err := token.SignedString(s.secret)
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if err != nil {
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return "", err
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}
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return tokenString, nil
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}
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func NewJwtTokenIssuer(issuerName string, secret []byte) Issuer {
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return &jwtTokenIssuer{
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name: issuerName,
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secret: secret,
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keyFunc: func(token *jwt.Token) (i interface{}, err error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); ok {
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return secret, nil
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} else {
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return nil, fmt.Errorf("expect token signed with HMAC but got %v", token.Header["alg"])
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}
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},
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}
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}
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