76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
// Copyright (C) 2019-2022 Nicola Murino
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, version 3.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package dataprovider
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import (
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"sync"
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)
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var cachedPasswords passwordsCache
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func init() {
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cachedPasswords = passwordsCache{
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cache: make(map[string]string),
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}
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}
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type passwordsCache struct {
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sync.RWMutex
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cache map[string]string
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}
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func (c *passwordsCache) Add(username, password string) {
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if !config.PasswordCaching || username == "" || password == "" {
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return
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}
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c.Lock()
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defer c.Unlock()
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c.cache[username] = password
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}
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func (c *passwordsCache) Remove(username string) {
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if !config.PasswordCaching {
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return
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}
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c.Lock()
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defer c.Unlock()
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delete(c.cache, username)
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}
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// Check returns if the user is found and if the password match
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func (c *passwordsCache) Check(username, password string) (bool, bool) {
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if username == "" || password == "" {
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return false, false
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}
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c.RLock()
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defer c.RUnlock()
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pwd, ok := c.cache[username]
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if !ok {
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return false, false
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}
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return true, pwd == password
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}
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// CheckCachedPassword is an utility method used only in test cases
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func CheckCachedPassword(username, password string) (bool, bool) {
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return cachedPasswords.Check(username, password)
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}
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