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// Copyright Istio Authors
//
// 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 mock
import (
"encoding/json"
"fmt"
"sync"
"time"
)
import (
"github.com/apache/dubbo-go-pixiu/pkg/security"
"github.com/apache/dubbo-go-pixiu/security/pkg/stsservice"
)
type FakeTokenManager struct {
mutex sync.RWMutex
generateTokenError error
dumpTokenError error
tokens sync.Map
stsRespParam stsservice.StsResponseParameters
}
func CreateFakeTokenManager() *FakeTokenManager {
tm := &FakeTokenManager{
generateTokenError: nil,
dumpTokenError: nil,
tokens: sync.Map{},
stsRespParam: stsservice.StsResponseParameters{},
}
return tm
}
func (tm *FakeTokenManager) SetGenerateTokenError(err error) {
tm.mutex.Lock()
defer tm.mutex.Unlock()
tm.generateTokenError = err
}
func (tm *FakeTokenManager) SetDumpTokenError(err error) {
tm.mutex.Lock()
defer tm.mutex.Unlock()
tm.dumpTokenError = err
}
func (tm *FakeTokenManager) SetRespStsParam(p stsservice.StsResponseParameters) {
tm.mutex.Lock()
defer tm.mutex.Unlock()
tm.stsRespParam = p
}
func (tm *FakeTokenManager) SetToken(t stsservice.TokenInfo) {
// erase map
tm.tokens.Range(func(key interface{}, value interface{}) bool {
tm.tokens.Delete(key)
return true
})
tm.tokens.Store(t.IssueTime, t)
}
// GenerateToken returns a fake token, or error if generateTokenError is set.
func (tm *FakeTokenManager) GenerateToken(_ security.StsRequestParameters) ([]byte, error) {
var expErr error
tm.mutex.Lock()
expErr = tm.generateTokenError
tm.mutex.Unlock()
if expErr != nil {
return nil, expErr
}
var stsResp stsservice.StsResponseParameters
tm.mutex.Lock()
stsResp = tm.stsRespParam
tm.mutex.Unlock()
t := time.Now()
tm.tokens.Store(t.String(), stsservice.TokenInfo{
TokenType: stsResp.TokenType,
IssueTime: t,
ExpireTime: t.Add(time.Duration(stsResp.ExpiresIn) * time.Second),
})
statusJSON, _ := json.MarshalIndent(stsResp, "", " ")
return statusJSON, nil
}
// DumpTokenStatus returns fake token status, or error if dumpTokenError is set.
func (tm *FakeTokenManager) DumpTokenStatus() ([]byte, error) {
var expErr error
tm.mutex.Lock()
expErr = tm.dumpTokenError
tm.mutex.Unlock()
if expErr != nil {
return nil, expErr
}
tokenStatus := make([]stsservice.TokenInfo, 0)
tm.tokens.Range(func(k interface{}, v interface{}) bool {
token := v.(stsservice.TokenInfo)
tokenStatus = append(tokenStatus, token)
return true
})
td := stsservice.TokensDump{
Tokens: tokenStatus,
}
statusJSON, err := json.MarshalIndent(td, "", " ")
return statusJSON, err
}
// GetMetadata returns the metadata headers related to the token
func (tm *FakeTokenManager) GetMetadata(forCA bool, xdsAuthProvider, token string) (map[string]string, error) {
if token == "" {
return nil, fmt.Errorf("empty token in FakeTokenManager GetMetadata()")
}
return map[string]string{
"authorization": "Bearer " + token,
}, nil
}