58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
package jwttoken
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"k8s.io/apiserver/pkg/authentication/authenticator"
|
|
"k8s.io/apiserver/pkg/authentication/user"
|
|
"kubesphere.io/kubesphere/pkg/api/iam/token"
|
|
"kubesphere.io/kubesphere/pkg/server/errors"
|
|
"kubesphere.io/kubesphere/pkg/simple/client/cache"
|
|
)
|
|
|
|
var errTokenExpired = errors.New("expired token")
|
|
|
|
// TokenAuthenticator implements kubernetes token authenticate interface with our custom logic.
|
|
// TokenAuthenticator will retrieve user info from cache by given token. If empty or invalid token
|
|
// was given, authenticator will still give passed response at the condition user will be user.Anonymous
|
|
// and group from user.AllUnauthenticated. This helps requests be passed along the handler chain,
|
|
// because some resources are public accessible.
|
|
type tokenAuthenticator struct {
|
|
cacheClient cache.Interface
|
|
jwtTokenIssuer token.Issuer
|
|
}
|
|
|
|
func NewTokenAuthenticator(cacheClient cache.Interface, jwtSecret string) authenticator.Token {
|
|
return &tokenAuthenticator{
|
|
cacheClient: cacheClient,
|
|
jwtTokenIssuer: token.NewJwtTokenIssuer(token.DefaultIssuerName, []byte(jwtSecret)),
|
|
}
|
|
}
|
|
|
|
func (t *tokenAuthenticator) AuthenticateToken(ctx context.Context, token string) (*authenticator.Response, bool, error) {
|
|
providedUser, err := t.jwtTokenIssuer.Verify(token)
|
|
if err != nil {
|
|
return nil, false, err
|
|
}
|
|
|
|
_, err = t.cacheClient.Get(tokenKeyForUsername(providedUser.Name(), token))
|
|
if err != nil {
|
|
return nil, false, errTokenExpired
|
|
}
|
|
|
|
// Should we need to refresh token?
|
|
|
|
return &authenticator.Response{
|
|
User: &user.DefaultInfo{
|
|
Name: providedUser.Name(),
|
|
UID: providedUser.UID(),
|
|
Groups: []string{user.AllAuthenticated},
|
|
},
|
|
}, true, nil
|
|
|
|
}
|
|
|
|
func tokenKeyForUsername(username, token string) string {
|
|
return fmt.Sprintf("kubesphere:users:%s:token:%s", username, token)
|
|
}
|