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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package openid
import (
"sync"
"time"
"github.com/yohcop/openid-go"
)
type timedDiscoveredInfo struct {
info openid.DiscoveredInfo
time time.Time
}
type timedDiscoveryCache struct {
cache map[string]timedDiscoveredInfo
ttl time.Duration
mutex *sync.Mutex
}
func newTimedDiscoveryCache(ttl time.Duration) *timedDiscoveryCache {
return &timedDiscoveryCache{cache: map[string]timedDiscoveredInfo{}, ttl: ttl, mutex: &sync.Mutex{}}
}
func (s *timedDiscoveryCache) Put(id string, info openid.DiscoveredInfo) {
s.mutex.Lock()
defer s.mutex.Unlock()
s.cache[id] = timedDiscoveredInfo{info: info, time: time.Now()}
}
// Delete timed-out cache entries
func (s *timedDiscoveryCache) cleanTimedOut() {
now := time.Now()
for k, e := range s.cache {
diff := now.Sub(e.time)
if diff > s.ttl {
delete(s.cache, k)
}
}
}
func (s *timedDiscoveryCache) Get(id string) openid.DiscoveredInfo {
s.mutex.Lock()
defer s.mutex.Unlock()
// Delete old cached while we are at it.
s.cleanTimedOut()
if info, has := s.cache[id]; has {
return info.info
}
return nil
}
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