127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
// Copyright 2020 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 auth
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import (
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"fmt"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/timeutil"
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)
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// Session represents a session compatible for go-chi session
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type Session struct {
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Key string `xorm:"pk CHAR(16)"` // has to be Key to match with go-chi/session
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Data []byte `xorm:"BLOB"` // on MySQL this has a maximum size of 64Kb - this may need to be increased
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Expiry timeutil.TimeStamp // has to be Expiry to match with go-chi/session
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}
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func init() {
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db.RegisterModel(new(Session))
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}
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// UpdateSession updates the session with provided id
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func UpdateSession(key string, data []byte) error {
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_, err := db.GetEngine(db.DefaultContext).ID(key).Update(&Session{
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Data: data,
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Expiry: timeutil.TimeStampNow(),
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})
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return err
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}
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// ReadSession reads the data for the provided session
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func ReadSession(key string) (*Session, error) {
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session := Session{
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Key: key,
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}
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ctx, committer, err := db.TxContext()
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if err != nil {
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return nil, err
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}
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defer committer.Close()
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if has, err := db.GetByBean(ctx, &session); err != nil {
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return nil, err
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} else if !has {
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session.Expiry = timeutil.TimeStampNow()
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if err := db.Insert(ctx, &session); err != nil {
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return nil, err
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}
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}
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return &session, committer.Commit()
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}
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// ExistSession checks if a session exists
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func ExistSession(key string) (bool, error) {
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session := Session{
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Key: key,
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}
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return db.GetEngine(db.DefaultContext).Get(&session)
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}
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// DestroySession destroys a session
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func DestroySession(key string) error {
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_, err := db.GetEngine(db.DefaultContext).Delete(&Session{
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Key: key,
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})
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return err
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}
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// RegenerateSession regenerates a session from the old id
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func RegenerateSession(oldKey, newKey string) (*Session, error) {
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ctx, committer, err := db.TxContext()
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if err != nil {
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return nil, err
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}
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defer committer.Close()
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if has, err := db.GetByBean(ctx, &Session{
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Key: newKey,
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}); err != nil {
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return nil, err
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} else if has {
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return nil, fmt.Errorf("session Key: %s already exists", newKey)
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}
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if has, err := db.GetByBean(ctx, &Session{
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Key: oldKey,
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}); err != nil {
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return nil, err
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} else if !has {
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if err := db.Insert(ctx, &Session{
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Key: oldKey,
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Expiry: timeutil.TimeStampNow(),
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}); err != nil {
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return nil, err
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}
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}
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if _, err := db.Exec(ctx, "UPDATE "+db.TableName(&Session{})+" SET `key` = ? WHERE `key`=?", newKey, oldKey); err != nil {
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return nil, err
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}
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s := Session{
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Key: newKey,
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}
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if _, err := db.GetByBean(ctx, &s); err != nil {
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return nil, err
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}
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return &s, committer.Commit()
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}
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// CountSessions returns the number of sessions
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func CountSessions() (int64, error) {
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return db.GetEngine(db.DefaultContext).Count(&Session{})
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}
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// CleanupSessions cleans up expired sessions
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func CleanupSessions(maxLifetime int64) error {
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_, err := db.GetEngine(db.DefaultContext).Where("expiry <= ?", timeutil.TimeStampNow().Add(-maxLifetime)).Delete(&Session{})
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return err
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}
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