You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.4 KiB
93 lines
2.4 KiB
6 years ago
|
/*
|
||
|
|
* Minio Cloud Storage, (C) 2018 Minio, Inc.
|
||
|
|
*
|
||
|
|
* 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 validator
|
||
|
|
|
||
|
|
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")
|
||
|
|
ErrInvalidDuration = errors.New("duration higher than token expiry")
|
||
|
|
)
|
||
|
|
|
||
|
|
// 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)}
|
||
|
|
}
|