forked from gitea/gitea
Prevent creating empty sessions (#6677)
* Prevent creating empty sessions Signed-off-by: Andrew Thornton <art27@cantab.net> * Update modules/setting/session.go * Remove unnecessary option Signed-off-by: Andrew Thornton <art27@cantab.net> * Add destory to list of ignored misspellings * rename cookie.go -> virtual.go * Delete old file * Add test to ensure that sessions are not created without being logged in Signed-off-by: Andrew Thornton <art27@cantab.net> * fix tests Signed-off-by: Andrew Thornton <art27@cantab.net> * Update integrations/create_no_session_test.go
This commit is contained in:
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GitHub
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commit
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2
Makefile
2
Makefile
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@ -154,7 +154,7 @@ misspell-check:
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@hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
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$(GO) get -u github.com/client9/misspell/cmd/misspell; \
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fi
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misspell -error -i unknwon $(GOFILES)
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misspell -error -i unknwon,destory $(GOFILES)
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.PHONY: misspell
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misspell:
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@ -0,0 +1,119 @@
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// Copyright 2019 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 integrations
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/routers/routes"
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"github.com/go-macaron/session"
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"github.com/stretchr/testify/assert"
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)
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func getSessionID(t *testing.T, resp *httptest.ResponseRecorder) string {
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cookies := resp.Result().Cookies()
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found := false
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sessionID := ""
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for _, cookie := range cookies {
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if cookie.Name == setting.SessionConfig.CookieName {
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sessionID = cookie.Value
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found = true
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}
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}
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assert.True(t, found)
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assert.NotEmpty(t, sessionID)
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return sessionID
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}
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func sessionFile(tmpDir, sessionID string) string {
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return filepath.Join(tmpDir, sessionID[0:1], sessionID[1:2], sessionID)
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}
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func sessionFileExist(t *testing.T, tmpDir, sessionID string) bool {
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sessionFile := sessionFile(tmpDir, sessionID)
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_, err := os.Lstat(sessionFile)
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if err != nil {
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if os.IsNotExist(err) {
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return false
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}
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assert.NoError(t, err)
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}
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return true
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}
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func TestSessionFileCreation(t *testing.T) {
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prepareTestEnv(t)
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oldSessionConfig := setting.SessionConfig.ProviderConfig
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defer func() {
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setting.SessionConfig.ProviderConfig = oldSessionConfig
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mac = routes.NewMacaron()
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routes.RegisterRoutes(mac)
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}()
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var config session.Options
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err := json.Unmarshal([]byte(oldSessionConfig), &config)
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assert.NoError(t, err)
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config.Provider = "file"
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// Now create a temporaryDirectory
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tmpDir, err := ioutil.TempDir("", "sessions")
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assert.NoError(t, err)
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defer func() {
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if _, err := os.Stat(tmpDir); !os.IsNotExist(err) {
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_ = os.RemoveAll(tmpDir)
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}
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}()
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config.ProviderConfig = tmpDir
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newConfigBytes, err := json.Marshal(config)
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assert.NoError(t, err)
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setting.SessionConfig.ProviderConfig = string(newConfigBytes)
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mac = routes.NewMacaron()
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routes.RegisterRoutes(mac)
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t.Run("NoSessionOnViewIssue", func(t *testing.T) {
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PrintCurrentTest(t)
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req := NewRequest(t, "GET", "/user2/repo1/issues/1")
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resp := MakeRequest(t, req, http.StatusOK)
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sessionID := getSessionID(t, resp)
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// We're not logged in so there should be no session
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assert.False(t, sessionFileExist(t, tmpDir, sessionID))
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})
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t.Run("CreateSessionOnLogin", func(t *testing.T) {
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PrintCurrentTest(t)
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req := NewRequest(t, "GET", "/user/login")
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resp := MakeRequest(t, req, http.StatusOK)
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sessionID := getSessionID(t, resp)
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// We're not logged in so there should be no session
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assert.False(t, sessionFileExist(t, tmpDir, sessionID))
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doc := NewHTMLParser(t, resp.Body)
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req = NewRequestWithValues(t, "POST", "/user/login", map[string]string{
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"_csrf": doc.GetCSRF(),
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"user_name": "user2",
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"password": userPassword,
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})
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resp = MakeRequest(t, req, http.StatusFound)
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sessionID = getSessionID(t, resp)
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assert.FileExists(t, sessionFile(tmpDir, sessionID))
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})
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}
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@ -0,0 +1,193 @@
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// Copyright 2019 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 session
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import (
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"encoding/json"
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"fmt"
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"sync"
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"github.com/go-macaron/session"
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couchbase "github.com/go-macaron/session/couchbase"
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memcache "github.com/go-macaron/session/memcache"
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mysql "github.com/go-macaron/session/mysql"
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nodb "github.com/go-macaron/session/nodb"
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postgres "github.com/go-macaron/session/postgres"
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redis "github.com/go-macaron/session/redis"
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)
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// VirtualSessionProvider represents a shadowed session provider implementation.
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type VirtualSessionProvider struct {
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lock sync.RWMutex
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maxlifetime int64
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rootPath string
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provider session.Provider
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}
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// Init initializes the cookie session provider with given root path.
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func (o *VirtualSessionProvider) Init(gclifetime int64, config string) error {
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var opts session.Options
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if err := json.Unmarshal([]byte(config), &opts); err != nil {
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return err
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}
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// Note that these options are unprepared so we can't just use NewManager here.
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// Nor can we access the provider map in session.
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// So we will just have to do this by hand.
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// This is only slightly more wrong than modules/setting/session.go:23
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switch opts.Provider {
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case "memory":
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o.provider = &session.MemProvider{}
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case "file":
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o.provider = &session.FileProvider{}
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case "redis":
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o.provider = &redis.RedisProvider{}
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case "mysql":
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o.provider = &mysql.MysqlProvider{}
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case "postgres":
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o.provider = &postgres.PostgresProvider{}
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case "couchbase":
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o.provider = &couchbase.CouchbaseProvider{}
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case "memcache":
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o.provider = &memcache.MemcacheProvider{}
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case "nodb":
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o.provider = &nodb.NodbProvider{}
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default:
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return fmt.Errorf("VirtualSessionProvider: Unknown Provider: %s", opts.Provider)
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}
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return o.provider.Init(gclifetime, opts.ProviderConfig)
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}
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// Read returns raw session store by session ID.
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func (o *VirtualSessionProvider) Read(sid string) (session.RawStore, error) {
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o.lock.RLock()
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defer o.lock.RUnlock()
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if o.provider.Exist(sid) {
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return o.provider.Read(sid)
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}
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kv := make(map[interface{}]interface{})
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kv["_old_uid"] = "0"
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return NewVirtualStore(o, sid, kv), nil
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}
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// Exist returns true if session with given ID exists.
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func (o *VirtualSessionProvider) Exist(sid string) bool {
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return true
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}
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// Destory deletes a session by session ID.
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func (o *VirtualSessionProvider) Destory(sid string) error {
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o.lock.Lock()
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defer o.lock.Unlock()
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return o.provider.Destory(sid)
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}
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// Regenerate regenerates a session store from old session ID to new one.
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func (o *VirtualSessionProvider) Regenerate(oldsid, sid string) (session.RawStore, error) {
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o.lock.Lock()
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defer o.lock.Unlock()
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return o.provider.Regenerate(oldsid, sid)
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}
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// Count counts and returns number of sessions.
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func (o *VirtualSessionProvider) Count() int {
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o.lock.RLock()
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defer o.lock.RUnlock()
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return o.provider.Count()
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}
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// GC calls GC to clean expired sessions.
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func (o *VirtualSessionProvider) GC() {
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o.provider.GC()
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}
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func init() {
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session.Register("VirtualSession", &VirtualSessionProvider{})
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}
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// VirtualStore represents a virtual session store implementation.
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type VirtualStore struct {
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p *VirtualSessionProvider
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sid string
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lock sync.RWMutex
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data map[interface{}]interface{}
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}
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// NewVirtualStore creates and returns a virtual session store.
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func NewVirtualStore(p *VirtualSessionProvider, sid string, kv map[interface{}]interface{}) *VirtualStore {
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return &VirtualStore{
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p: p,
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sid: sid,
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data: kv,
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}
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}
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// Set sets value to given key in session.
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func (s *VirtualStore) Set(key, val interface{}) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.data[key] = val
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return nil
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}
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// Get gets value by given key in session.
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func (s *VirtualStore) Get(key interface{}) interface{} {
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s.lock.RLock()
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defer s.lock.RUnlock()
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return s.data[key]
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}
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// Delete delete a key from session.
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func (s *VirtualStore) Delete(key interface{}) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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delete(s.data, key)
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return nil
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}
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// ID returns current session ID.
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func (s *VirtualStore) ID() string {
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return s.sid
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}
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// Release releases resource and save data to provider.
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func (s *VirtualStore) Release() error {
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s.lock.Lock()
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defer s.lock.Unlock()
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// Now need to lock the provider
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s.p.lock.Lock()
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defer s.p.lock.Unlock()
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if oldUID, ok := s.data["_old_uid"]; (ok && (oldUID != "0" || len(s.data) > 1)) || (!ok && len(s.data) > 0) {
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// Now ensure that we don't exist!
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realProvider := s.p.provider
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if realProvider.Exist(s.sid) {
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// This is an error!
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return fmt.Errorf("new sid '%s' already exists", s.sid)
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}
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realStore, err := realProvider.Read(s.sid)
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if err != nil {
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return err
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}
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for key, value := range s.data {
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if err := realStore.Set(key, value); err != nil {
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return err
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}
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}
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return realStore.Release()
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}
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return nil
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}
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// Flush deletes all session data.
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func (s *VirtualStore) Flush() error {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.data = make(map[interface{}]interface{})
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return nil
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}
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@ -5,11 +5,15 @@
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package setting
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import (
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"encoding/json"
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"path"
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"path/filepath"
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"strings"
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"code.gitea.io/gitea/modules/log"
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// This ensures that VirtualSessionProvider is available
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_ "code.gitea.io/gitea/modules/session"
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"github.com/go-macaron/session"
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)
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@ -31,5 +35,12 @@ func newSessionService() {
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SessionConfig.Gclifetime = Cfg.Section("session").Key("GC_INTERVAL_TIME").MustInt64(86400)
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SessionConfig.Maxlifetime = Cfg.Section("session").Key("SESSION_LIFE_TIME").MustInt64(86400)
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shadowConfig, err := json.Marshal(SessionConfig)
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if err != nil {
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log.Fatal("Can't shadow session config: %v", err)
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}
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SessionConfig.ProviderConfig = string(shadowConfig)
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SessionConfig.Provider = "VirtualSession"
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log.Info("Session Service Enabled")
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}
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