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keyserver.go
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keyserver.go
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// Copyright 2016 CoreOS, 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 keyserver
import (
"errors"
"fmt"
"time"
"github.com/coreos/go-oidc/key"
"github.com/quay/jwtproxy/config"
"github.com/quay/jwtproxy/stop"
)
var (
ErrPublicKeyNotFound = errors.New("Could not find any matching public key")
ErrPublicKeyExpired = errors.New("Key has expired.")
)
type ReaderConstructor func(config.RegistrableComponentConfig) (Reader, error)
type ManagerConstructor func(config.RegistrableComponentConfig, config.SignerParams) (Manager, error)
type Reader interface {
stop.Stoppable
GetPublicKey(issuer string, keyID string) (*key.PublicKey, error)
}
type KeyPolicy struct {
Expiration *time.Time
RotationPolicy *time.Duration
}
type Manager interface {
stop.Stoppable
VerifyPublicKey(keyID string) error
PublishPublicKey(key *key.PublicKey, policy *KeyPolicy, signingKey *key.PrivateKey) *PublishResult
DeletePublicKey(toRevoke *key.PrivateKey) error
}
var readers = make(map[string]ReaderConstructor)
var managers = make(map[string]ManagerConstructor)
func RegisterReader(name string, rc ReaderConstructor) {
if rc == nil {
panic("server: could not register nil ReaderConstructor")
}
if _, dup := readers[name]; dup {
panic("server: could not register duplicate ReaderConstructor: " + name)
}
readers[name] = rc
}
func NewReader(cfg config.RegistrableComponentConfig) (Reader, error) {
rc, ok := readers[cfg.Type]
if !ok {
return nil, fmt.Errorf("server: unknown ReaderConstructor %q (forgotten import?)", cfg.Type)
}
return rc(cfg)
}
func RegisterManager(name string, mc ManagerConstructor) {
if mc == nil {
panic("server: could not register nil ManagerConstructor")
}
if _, dup := managers[name]; dup {
panic("server: could not register duplicate ManagerConstructor: " + name)
}
managers[name] = mc
}
func NewManager(cfg config.RegistrableComponentConfig, signerParams config.SignerParams) (Manager, error) {
mc, ok := managers[cfg.Type]
if !ok {
return nil, fmt.Errorf("server: unknown ManagerConstructor %q (forgotten import?)", cfg.Type)
}
return mc(cfg, signerParams)
}