forked from Silverfish/proton-bridge
101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
// Copyright (c) 2020 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ProtonMail Bridge 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package cookies
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import (
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"encoding/json"
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"net/http"
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"time"
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"github.com/ProtonMail/proton-bridge/internal/preferences"
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)
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// pantry persists and loads cookies to some persistent storage location.
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type pantry struct {
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gs GetterSetter
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}
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func (p *pantry) persistCookies(host string, cookies []*http.Cookie) error {
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for _, cookie := range cookies {
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if cookie.MaxAge > 0 {
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cookie.Expires = time.Now().Add(time.Duration(cookie.MaxAge) * time.Second)
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}
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}
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cookiesByHost, err := p.loadFromJSON()
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if err != nil {
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return err
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}
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cookiesByHost[host] = cookies
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return p.saveToJSON(cookiesByHost)
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}
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func (p *pantry) discardExpiredCookies() error {
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cookiesByHost, err := p.loadFromJSON()
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if err != nil {
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return err
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}
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for host, cookies := range cookiesByHost {
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cookiesByHost[host] = discardExpiredCookies(cookies)
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}
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return p.saveToJSON(cookiesByHost)
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}
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type cookiesByHost map[string][]*http.Cookie
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func (p *pantry) loadFromJSON() (cookiesByHost, error) {
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b := p.gs.Get(preferences.CookiesKey)
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if b == "" {
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return make(cookiesByHost), nil
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}
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var cookies cookiesByHost
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if err := json.Unmarshal([]byte(b), &cookies); err != nil {
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return nil, err
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}
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return cookies, nil
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}
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func (p *pantry) saveToJSON(cookies cookiesByHost) error {
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b, err := json.Marshal(cookies)
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if err != nil {
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return err
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}
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p.gs.Set(preferences.CookiesKey, string(b))
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return nil
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}
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func discardExpiredCookies(cookies []*http.Cookie) (validCookies []*http.Cookie) {
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for _, cookie := range cookies {
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if cookie.Expires.After(time.Now()) {
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validCookies = append(validCookies, cookie)
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}
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}
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return
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}
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