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authenticator.go
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/
authenticator.go
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// Copyright (c) 2017 VMware, Inc. All Rights Reserved.
//
// 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 auth
import (
"fmt"
"time"
"github.com/vmware/harbor/src/common"
"github.com/vmware/harbor/src/common/dao"
"github.com/vmware/harbor/src/common/models"
"github.com/vmware/harbor/src/common/utils/log"
"github.com/vmware/harbor/src/ui/config"
)
// 1.5 seconds
const frozenTime time.Duration = 1500 * time.Millisecond
var lock = NewUserLock(frozenTime)
// AuthenticateHelper provides interface for user management in different auth modes.
type AuthenticateHelper interface {
// Authenticate ...
Authenticate(m models.AuthModel) (*models.User, error)
// OnBoardUser will check if a user exists in user table, if not insert the user and
// put the id in the pointer of user model, if it does exist, fill in the user model based
// on the data record of the user
OnBoardUser(u *models.User) error
// Get user information from account repository
SearchUser(username string) (*models.User, error)
// Update user information after authenticate, such as Onboard or sync info etc
PostAuthenticate(u *models.User) error
}
// DefaultAuthenticateHelper - default AuthenticateHelper implementation
type DefaultAuthenticateHelper struct {
}
// Authenticate ...
func (d *DefaultAuthenticateHelper) Authenticate(m models.AuthModel) (*models.User, error) {
return nil, nil
}
// OnBoardUser will check if a user exists in user table, if not insert the user and
// put the id in the pointer of user model, if it does exist, fill in the user model based
// on the data record of the user
func (d *DefaultAuthenticateHelper) OnBoardUser(u *models.User) error {
return nil
}
//SearchUser - Get user information from account repository
func (d *DefaultAuthenticateHelper) SearchUser(username string) (*models.User, error) {
return nil, nil
}
//PostAuthenticate - Update user information after authenticate, such as Onboard or sync info etc
func (d *DefaultAuthenticateHelper) PostAuthenticate(u *models.User) error {
return nil
}
var registry = make(map[string]AuthenticateHelper)
// Register add different authenticators to registry map.
func Register(name string, h AuthenticateHelper) {
if _, dup := registry[name]; dup {
log.Infof("authenticator: %s has been registered,skip", name)
return
}
registry[name] = h
log.Debugf("Registered authencation helper for auth mode: %s", name)
}
// Login authenticates user credentials based on setting.
func Login(m models.AuthModel) (*models.User, error) {
authMode, err := config.AuthMode()
if err != nil {
return nil, err
}
if authMode == "" || dao.IsSuperUser(m.Principal) {
authMode = common.DBAuth
}
log.Debug("Current AUTH_MODE is ", authMode)
authenticator, ok := registry[authMode]
if !ok {
return nil, fmt.Errorf("Unrecognized auth_mode: %s", authMode)
}
if lock.IsLocked(m.Principal) {
log.Debugf("%s is locked due to login failure, login failed", m.Principal)
return nil, nil
}
user, err := authenticator.Authenticate(m)
if user == nil {
if err == nil {
log.Debugf("Login failed, locking %s, and sleep for %v", m.Principal, frozenTime)
lock.Lock(m.Principal)
time.Sleep(frozenTime)
}
return user, err
}
err = authenticator.PostAuthenticate(user)
return user, err
}
func getHelper() (AuthenticateHelper, error) {
authMode, err := config.AuthMode()
if err != nil {
return nil, err
}
AuthenticateHelper, ok := registry[authMode]
if !ok {
return nil, fmt.Errorf("Can not get authenticator, authmode: %s", authMode)
}
return AuthenticateHelper, nil
}
// OnBoardUser will check if a user exists in user table, if not insert the user and
// put the id in the pointer of user model, if it does exist, return the user's profile.
func OnBoardUser(user *models.User) error {
log.Debugf("OnBoardUser, user %+v", user)
helper, err := getHelper()
if err != nil {
return err
}
return helper.OnBoardUser(user)
}
// SearchUser --
func SearchUser(username string) (*models.User, error) {
helper, err := getHelper()
if err != nil {
return nil, err
}
return helper.SearchUser(username)
}
// PostAuthenticate -
func PostAuthenticate(u *models.User) error {
helper, err := getHelper()
if err != nil {
return err
}
return helper.PostAuthenticate(u)
}