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