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When reading expired sessions - expire them (#12686) 

* When reading expired sessions - expire them

Update to latest macaron/session following merge of
https://gitea.com/macaron/session/pulls/11

Also remove old memory provider as 11 updates the memory provider to
make it unnecessary.

Signed-off-by: Andrew Thornton <art27@cantab.net>

* and macaron/session/pulls/12

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2020-09-02 22:10:35 +01:00 committed by GitHub
parent ed81a95a84
commit 5fd9f72104
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 32 additions and 231 deletions
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2
go.mod
View File

@ -14,7 +14,7 @@ require (
gitea.com/macaron/i18n v0.0.0-20190822004228-474e714e2223
gitea.com/macaron/inject v0.0.0-20190805023432-d4c86e31027a
gitea.com/macaron/macaron v1.5.0
gitea.com/macaron/session v0.0.0-20191207215012-613cebf0674d
gitea.com/macaron/session v0.0.0-20200902202411-e3a87877db6e
gitea.com/macaron/toolbox v0.0.0-20190822013122-05ff0fc766b7
github.com/BurntSushi/toml v0.3.1
github.com/PuerkitoBio/goquery v1.5.1

4
go.sum
View File

@ -42,8 +42,8 @@ gitea.com/macaron/macaron v1.5.0 h1:TvWEcHw1/zaHlo0GTuKEukLh3A99+QsU2mjBrXLXjVQ=
gitea.com/macaron/macaron v1.5.0/go.mod h1:P7hfDbQjcW22lkYkXlxdRIfWOXxH2+K4EogN4Q0UlLY=
gitea.com/macaron/session v0.0.0-20190821211443-122c47c5f705 h1:mvkQGAlON1Z6Y8pqa/+FpYIskk54mazuECUfZK5oTg0=
gitea.com/macaron/session v0.0.0-20190821211443-122c47c5f705/go.mod h1:1ujH0jD6Ca4iK9NL0Q2a7fG2chvXx5hVa7hBfABwpkA=
gitea.com/macaron/session v0.0.0-20191207215012-613cebf0674d h1:XLww3CvnFZkXVwauN67fniDaIpIqsE+9KVcxlZKlvLU=
gitea.com/macaron/session v0.0.0-20191207215012-613cebf0674d/go.mod h1:FanKy3WjWb5iw/iZBPk4ggoQT9FcM6bkBPvmDmsH6tY=
gitea.com/macaron/session v0.0.0-20200902202411-e3a87877db6e h1:BHoJ/xWNt6FrVsL54JennM9HPIQlnbmRvmaC5DO65pU=
gitea.com/macaron/session v0.0.0-20200902202411-e3a87877db6e/go.mod h1:FanKy3WjWb5iw/iZBPk4ggoQT9FcM6bkBPvmDmsH6tY=
gitea.com/macaron/toolbox v0.0.0-20190822013122-05ff0fc766b7 h1:N9QFoeNsUXLhl14mefLzGluqV7w2mGU3u+iZU+jCeWk=
gitea.com/macaron/toolbox v0.0.0-20190822013122-05ff0fc766b7/go.mod h1:kgsbFPPS4P+acDYDOPDa3N4IWWOuDJt5/INKRUz7aks=
gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s=

216
modules/session/memory.go
View File

@ -1,216 +0,0 @@
// Copyright 2013 Beego Authors
// Copyright 2014 The Macaron Authors
// Copyright 2019 The Gitea Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package session
import (
"container/list"
"fmt"
"sync"
"time"
"gitea.com/macaron/session"
)
// MemStore represents a in-memory session store implementation.
type MemStore struct {
sid string
lock sync.RWMutex
data map[interface{}]interface{}
lastAccess time.Time
}
// NewMemStore creates and returns a memory session store.
func NewMemStore(sid string) *MemStore {
return &MemStore{
sid: sid,
data: make(map[interface{}]interface{}),
lastAccess: time.Now(),
}
}
// Set sets value to given key in session.
func (s *MemStore) Set(key, val interface{}) error {
s.lock.Lock()
defer s.lock.Unlock()
s.data[key] = val
return nil
}
// Get gets value by given key in session.
func (s *MemStore) Get(key interface{}) interface{} {
s.lock.RLock()
defer s.lock.RUnlock()
return s.data[key]
}
// Delete deletes a key from session.
func (s *MemStore) Delete(key interface{}) error {
s.lock.Lock()
defer s.lock.Unlock()
delete(s.data, key)
return nil
}
// ID returns current session ID.
func (s *MemStore) ID() string {
return s.sid
}
// Release releases resource and save data to provider.
func (*MemStore) Release() error {
return nil
}
// Flush deletes all session data.
func (s *MemStore) Flush() error {
s.lock.Lock()
defer s.lock.Unlock()
s.data = make(map[interface{}]interface{})
return nil
}
// MemProvider represents a in-memory session provider implementation.
type MemProvider struct {
lock sync.RWMutex
maxLifetime int64
data map[string]*list.Element
// A priority list whose lastAccess newer gets higher priority.
list *list.List
}
// Init initializes memory session provider.
func (p *MemProvider) Init(maxLifetime int64, _ string) error {
p.lock.Lock()
p.maxLifetime = maxLifetime
p.lock.Unlock()
return nil
}
// update expands time of session store by given ID.
func (p *MemProvider) update(sid string) error {
p.lock.Lock()
defer p.lock.Unlock()
if e, ok := p.data[sid]; ok {
e.Value.(*MemStore).lastAccess = time.Now()
p.list.MoveToFront(e)
return nil
}
return nil
}
// Read returns raw session store by session ID.
func (p *MemProvider) Read(sid string) (_ session.RawStore, err error) {
p.lock.RLock()
e, ok := p.data[sid]
p.lock.RUnlock()
if ok {
if err = p.update(sid); err != nil {
return nil, err
}
return e.Value.(*MemStore), nil
}
// Create a new session.
p.lock.Lock()
defer p.lock.Unlock()
s := NewMemStore(sid)
p.data[sid] = p.list.PushBack(s)
return s, nil
}
// Exist returns true if session with given ID exists.
func (p *MemProvider) Exist(sid string) bool {
p.lock.RLock()
defer p.lock.RUnlock()
_, ok := p.data[sid]
return ok
}
// Destroy deletes a session by session ID.
func (p *MemProvider) Destroy(sid string) error {
p.lock.Lock()
defer p.lock.Unlock()
e, ok := p.data[sid]
if !ok {
return nil
}
p.list.Remove(e)
delete(p.data, sid)
return nil
}
// Regenerate regenerates a session store from old session ID to new one.
func (p *MemProvider) Regenerate(oldsid, sid string) (session.RawStore, error) {
if p.Exist(sid) {
return nil, fmt.Errorf("new sid '%s' already exists", sid)
}
s, err := p.Read(oldsid)
if err != nil {
return nil, err
}
if err = p.Destroy(oldsid); err != nil {
return nil, err
}
s.(*MemStore).sid = sid
p.lock.Lock()
defer p.lock.Unlock()
p.data[sid] = p.list.PushBack(s)
return s, nil
}
// Count counts and returns number of sessions.
func (p *MemProvider) Count() int {
return p.list.Len()
}
// GC calls GC to clean expired sessions.
func (p *MemProvider) GC() {
p.lock.RLock()
for {
// No session in the list.
e := p.list.Back()
if e == nil {
break
}
if (e.Value.(*MemStore).lastAccess.Unix() + p.maxLifetime) < time.Now().Unix() {
p.lock.RUnlock()
p.lock.Lock()
p.list.Remove(e)
delete(p.data, e.Value.(*MemStore).sid)
p.lock.Unlock()
p.lock.RLock()
} else {
break
}
}
p.lock.RUnlock()
}

3
modules/session/virtual.go
View File

@ -5,7 +5,6 @@
package session
import (
"container/list"
"encoding/json"
"fmt"
"sync"
@ -37,7 +36,7 @@ func (o *VirtualSessionProvider) Init(gclifetime int64, config string) error {
// This is only slightly more wrong than modules/setting/session.go:23
switch opts.Provider {
case "memory":
o.provider = &MemProvider{list: list.New(), data: make(map[string]*list.Element)}
o.provider = &session.MemProvider{}
case "file":
o.provider = &session.FileProvider{}
case "redis":

8
vendor/gitea.com/macaron/session/file.go generated vendored
View File

@ -133,7 +133,15 @@ func (p *FileProvider) Read(sid string) (_ RawStore, err error) {
defer p.lock.RUnlock()
var f *os.File
ok := false
if com.IsFile(filename) {
modTime, err := com.FileMTime(filename)
if err != nil {
return nil, err
}
ok = (modTime + p.maxlifetime) >= time.Now().Unix()
}
if ok {
f, err = os.OpenFile(filename, os.O_RDONLY, 0600)
} else {
f, err = os.Create(filename)

12
vendor/gitea.com/macaron/session/memory.go generated vendored
View File

@ -96,6 +96,8 @@ type MemProvider struct {
// Init initializes memory session provider.
func (p *MemProvider) Init(maxLifetime int64, _ string) error {
p.lock.Lock()
p.list = list.New()
p.data = make(map[string]*list.Element)
p.maxLifetime = maxLifetime
p.lock.Unlock()
return nil
@ -120,7 +122,8 @@ func (p *MemProvider) Read(sid string) (_ RawStore, err error) {
e, ok := p.data[sid]
p.lock.RUnlock()
if ok {
// Only restore if the session is still alive.
if ok && (e.Value.(*MemStore).lastAccess.Unix()+p.maxLifetime) >= time.Now().Unix() {
if err = p.update(sid); err != nil {
return nil, err
}
@ -130,7 +133,10 @@ func (p *MemProvider) Read(sid string) (_ RawStore, err error) {
// Create a new session.
p.lock.Lock()
defer p.lock.Unlock()
if ok {
p.list.Remove(e)
delete(p.data, sid)
}
s := NewMemStore(sid)
p.data[sid] = p.list.PushBack(s)
return s, nil
@ -213,5 +219,5 @@ func (p *MemProvider) GC() {
}
func init() {
Register("memory", &MemProvider{list: list.New(), data: make(map[string]*list.Element)})
Register("memory", &MemProvider{})
}

8
vendor/gitea.com/macaron/session/mysql/mysql.go generated vendored
View File

@ -120,18 +120,20 @@ func (p *MysqlProvider) Init(expire int64, connStr string) (err error) {
// Read returns raw session store by session ID.
func (p *MysqlProvider) Read(sid string) (session.RawStore, error) {
now := time.Now().Unix()
var data []byte
err := p.c.QueryRow("SELECT data FROM session WHERE `key`=?", sid).Scan(&data)
expiry := now
err := p.c.QueryRow("SELECT data, expiry FROM session WHERE `key`=?", sid).Scan(&data, &expiry)
if err == sql.ErrNoRows {
_, err = p.c.Exec("INSERT INTO session(`key`,data,expiry) VALUES(?,?,?)",
sid, "", time.Now().Unix())
sid, "", now)
}
if err != nil {
return nil, err
}
var kv map[interface{}]interface{}
if len(data) == 0 {
if len(data) == 0 || expiry+p.expire <= now {
kv = make(map[interface{}]interface{})
} else {
kv, err = session.DecodeGob(data)

8
vendor/gitea.com/macaron/session/postgres/postgres.go generated vendored
View File

@ -121,18 +121,20 @@ func (p *PostgresProvider) Init(maxlifetime int64, connStr string) (err error) {
// Read returns raw session store by session ID.
func (p *PostgresProvider) Read(sid string) (session.RawStore, error) {
now := time.Now().Unix()
var data []byte
err := p.c.QueryRow("SELECT data FROM session WHERE key=$1", sid).Scan(&data)
expiry := now
err := p.c.QueryRow("SELECT data, expiry FROM session WHERE key=$1", sid).Scan(&data, &expiry)
if err == sql.ErrNoRows {
_, err = p.c.Exec("INSERT INTO session(key,data,expiry) VALUES($1,$2,$3)",
sid, "", time.Now().Unix())
sid, "", now)
}
if err != nil {
return nil, err
}
var kv map[interface{}]interface{}
if len(data) == 0 {
if len(data) == 0 || expiry+p.maxlifetime <= now {
kv = make(map[interface{}]interface{})
} else {
kv, err = session.DecodeGob(data)

2
vendor/modules.txt vendored
View File

@ -36,7 +36,7 @@ gitea.com/macaron/inject
# gitea.com/macaron/macaron v1.5.0
## explicit
gitea.com/macaron/macaron
# gitea.com/macaron/session v0.0.0-20191207215012-613cebf0674d
# gitea.com/macaron/session v0.0.0-20200902202411-e3a87877db6e
## explicit
gitea.com/macaron/session
gitea.com/macaron/session/couchbase