minio/cmd/config/identity/openid/validators.go
Harshavardhana 069432566f update license change for MinIO
Signed-off-by: Harshavardhana <harsha@minio.io>
2021-04-23 11:58:53 -07:00

93 lines
2.4 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package openid
import (
"errors"
"fmt"
"sync"
)
// ID - holds identification name authentication validator target.
type ID string
// Validator interface describes basic implementation
// requirements of various authentication providers.
type Validator interface {
// Validate is a custom validator function for this provider,
// each validation is authenticationType or provider specific.
Validate(token string, duration string) (map[string]interface{}, error)
// ID returns provider name of this provider.
ID() ID
}
// ErrTokenExpired - error token expired
var (
ErrTokenExpired = errors.New("token expired")
)
// Validators - holds list of providers indexed by provider id.
type Validators struct {
sync.RWMutex
providers map[ID]Validator
}
// Add - adds unique provider to provider list.
func (list *Validators) Add(provider Validator) error {
list.Lock()
defer list.Unlock()
if _, ok := list.providers[provider.ID()]; ok {
return fmt.Errorf("provider %v already exists", provider.ID())
}
list.providers[provider.ID()] = provider
return nil
}
// List - returns available provider IDs.
func (list *Validators) List() []ID {
list.RLock()
defer list.RUnlock()
keys := []ID{}
for k := range list.providers {
keys = append(keys, k)
}
return keys
}
// Get - returns the provider for the given providerID, if not found
// returns an error.
func (list *Validators) Get(id ID) (p Validator, err error) {
list.RLock()
defer list.RUnlock()
var ok bool
if p, ok = list.providers[id]; !ok {
return nil, fmt.Errorf("provider %v doesn't exist", id)
}
return p, nil
}
// NewValidators - creates Validators.
func NewValidators() *Validators {
return &Validators{providers: make(map[ID]Validator)}
}