Reset Session ID on login (#18018)

* Reset Session ID on login

When logging in the SessionID should be reset and the session cleaned up.

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

* with new session.RegenerateID function

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

* update go-chi/session

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

* Ensure that session id is changed after oauth data is set and between account linking pages too

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

* placate lint

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

* as per review

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-12-20 14:12:26 +00:00 committed by GitHub
parent 2cd1479e77
commit bcc13f3889
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 121 additions and 11 deletions

2
go.mod
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@ -9,7 +9,7 @@ require (
gitea.com/go-chi/binding v0.0.0-20211013065440-d16dc407c2be
gitea.com/go-chi/cache v0.0.0-20211013020926-78790b11abf1
gitea.com/go-chi/captcha v0.0.0-20211013065431-70641c1a35d5
gitea.com/go-chi/session v0.0.0-20211013065435-7d334f340c09
gitea.com/go-chi/session v0.0.0-20211218221615-e3605d8b28b8
gitea.com/lunny/levelqueue v0.4.1
github.com/42wim/sshsig v0.0.0-20211121163825-841cf5bbc121
github.com/Microsoft/go-winio v0.5.0 // indirect

4
go.sum
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@ -48,8 +48,8 @@ gitea.com/go-chi/cache v0.0.0-20211013020926-78790b11abf1 h1:Z7DcvTkxt8ovcENgPsQ
gitea.com/go-chi/cache v0.0.0-20211013020926-78790b11abf1/go.mod h1:k2V/gPDEtXGjjMGuBJiapffAXTv76H4snSmlJRLUhH0=
gitea.com/go-chi/captcha v0.0.0-20211013065431-70641c1a35d5 h1:J/1i8u40TbcLP/w2w2KCkgW2PelIqYkD5UOwu8IOvVU=
gitea.com/go-chi/captcha v0.0.0-20211013065431-70641c1a35d5/go.mod h1:hQ9SYHKdOX968wJglb/NMQ+UqpOKwW4L+EYdvkWjHSo=
gitea.com/go-chi/session v0.0.0-20211013065435-7d334f340c09 h1:1+K+6uOXrnSfLHXvu8jpuoNEWA3/NULOlLSRZwaij+c=
gitea.com/go-chi/session v0.0.0-20211013065435-7d334f340c09/go.mod h1:fc/pjt5EqNKgqQXYzcas1Z5L5whkZHyOvTA7OzWVJck=
gitea.com/go-chi/session v0.0.0-20211218221615-e3605d8b28b8 h1:tJQRXgZigkLeeW9LPlps9G9aMoE6LAmqigLA+wxmd1Q=
gitea.com/go-chi/session v0.0.0-20211218221615-e3605d8b28b8/go.mod h1:fc/pjt5EqNKgqQXYzcas1Z5L5whkZHyOvTA7OzWVJck=
gitea.com/lunny/levelqueue v0.4.1 h1:RZ+AFx5gBsZuyqCvofhAkPQ9uaVDPJnsULoJZIYaJNw=
gitea.com/lunny/levelqueue v0.4.1/go.mod h1:HBqmLbz56JWpfEGG0prskAV97ATNRoj5LDmPicD22hU=
gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s=

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@ -4,9 +4,21 @@
package session
import (
"net/http"
"gitea.com/go-chi/session"
)
// Store represents a session store
type Store interface {
Get(interface{}) interface{}
Set(interface{}, interface{}) error
Delete(interface{}) error
}
// RegenerateSession regenerates the underlying session and returns the new store
func RegenerateSession(resp http.ResponseWriter, req *http.Request) (Store, error) {
s, err := session.RegenerateSession(resp, req)
return s, err
}

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@ -22,6 +22,7 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/password"
"code.gitea.io/gitea/modules/recaptcha"
"code.gitea.io/gitea/modules/session"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/web"
@ -90,6 +91,10 @@ func AutoSignIn(ctx *context.Context) (bool, error) {
isSucceed = true
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
return false, fmt.Errorf("unable to RegenerateSession: Error: %w", err)
}
// Set session IDs
if err := ctx.Session.Set("uid", u.ID); err != nil {
return false, err
@ -256,6 +261,11 @@ func SignInPost(ctx *context.Context) {
return
}
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("UserSignIn: Unable to set regenerate session", err)
return
}
// User will need to use 2FA TOTP or U2F, save data
if err := ctx.Session.Set("twofaUid", u.ID); err != nil {
ctx.ServerError("UserSignIn: Unable to set twofaUid in session", err)
@ -419,6 +429,9 @@ func TwoFactorScratchPost(ctx *context.Context) {
}
handleSignInFull(ctx, u, remember, false)
if ctx.Written() {
return
}
ctx.Flash.Info(ctx.Tr("auth.twofa_scratch_used"))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
return
@ -526,6 +539,9 @@ func U2FSign(ctx *context.Context) {
}
}
redirect := handleSignInFull(ctx, user, remember, false)
if ctx.Written() {
return
}
if redirect == "" {
redirect = setting.AppSubURL + "/"
}
@ -538,7 +554,11 @@ func U2FSign(ctx *context.Context) {
// This handles the final part of the sign-in process of the user.
func handleSignIn(ctx *context.Context, u *user_model.User, remember bool) {
handleSignInFull(ctx, u, remember, true)
redirect := handleSignInFull(ctx, u, remember, true)
if ctx.Written() {
return
}
ctx.Redirect(redirect)
}
func handleSignInFull(ctx *context.Context, u *user_model.User, remember, obeyRedirect bool) string {
@ -549,6 +569,12 @@ func handleSignInFull(ctx *context.Context, u *user_model.User, remember, obeyRe
setting.CookieRememberName, u.Name, days)
}
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("RegenerateSession", err)
return setting.AppSubURL + "/"
}
// Delete the openid, 2fa and linkaccount data
_ = ctx.Session.Delete("openid_verified_uri")
_ = ctx.Session.Delete("openid_signin_remember")
_ = ctx.Session.Delete("openid_determined_email")
@ -572,7 +598,7 @@ func handleSignInFull(ctx *context.Context, u *user_model.User, remember, obeyRe
if len(u.Language) == 0 {
u.Language = ctx.Locale.Language()
if err := user_model.UpdateUserCols(db.DefaultContext, u, "language"); err != nil {
log.Error(fmt.Sprintf("Error updating user language [user: %d, locale: %s]", u.ID, u.Language))
ctx.ServerError("UpdateUserCols Language", fmt.Errorf("Error updating user language [user: %d, locale: %s]", u.ID, u.Language))
return setting.AppSubURL + "/"
}
}
@ -779,6 +805,11 @@ func getUserName(gothUser *goth.User) string {
}
func showLinkingLogin(ctx *context.Context, gothUser goth.User) {
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("RegenerateSession", err)
return
}
if err := ctx.Session.Set("linkAccountGothUser", gothUser); err != nil {
log.Error("Error setting linkAccountGothUser in session: %v", err)
}
@ -822,6 +853,12 @@ func handleOAuth2SignIn(ctx *context.Context, source *login.Source, u *user_mode
// If this user is enrolled in 2FA and this source doesn't override it,
// we can't sign the user in just yet. Instead, redirect them to the 2FA authentication page.
if !needs2FA {
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("RegenerateSession", err)
return
}
// Set session IDs
if err := ctx.Session.Set("uid", u.ID); err != nil {
log.Error("Error setting uid in session: %v", err)
}
@ -878,6 +915,11 @@ func handleOAuth2SignIn(ctx *context.Context, source *login.Source, u *user_mode
}
}
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("RegenerateSession", err)
return
}
// User needs to use 2FA, save data and redirect to 2FA page.
if err := ctx.Session.Set("twofaUid", u.ID); err != nil {
log.Error("Error setting twofaUid in session: %v", err)
@ -1090,6 +1132,11 @@ func linkAccount(ctx *context.Context, u *user_model.User, gothUser goth.User, r
return
}
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("RegenerateSession", err)
return
}
// User needs to use 2FA, save data and redirect to 2FA page.
if err := ctx.Session.Set("twofaUid", u.ID); err != nil {
log.Error("Error setting twofaUid in session: %v", err)
@ -1227,7 +1274,7 @@ func LinkAccountPostRegister(ctx *context.Context) {
return
}
ctx.Redirect(setting.AppSubURL + "/user/login")
handleSignIn(ctx, u, false)
}
// HandleSignOut resets the session and sets the cookies
@ -1370,7 +1417,7 @@ func SignUpPost(ctx *context.Context) {
}
ctx.Flash.Success(ctx.Tr("auth.sign_up_successful"))
handleSignInFull(ctx, u, false, true)
handleSignIn(ctx, u, false)
}
// createAndHandleCreatedUser calls createUserInContext and
@ -1591,6 +1638,13 @@ func handleAccountActivation(ctx *context.Context, user *user_model.User) {
log.Trace("User activated: %s", user.Name)
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
log.Error("Unable to regenerate session for user: %-v with email: %s: %v", user, user.Email, err)
ctx.ServerError("ActivateUserEmail", err)
return
}
// Set session IDs
if err := ctx.Session.Set("uid", user.ID); err != nil {
log.Error("Error setting uid in session[%s]: %v", ctx.Session.ID(), err)
}
@ -1862,11 +1916,14 @@ func ResetPasswdPost(ctx *context.Context) {
handleSignInFull(ctx, u, remember, false)
ctx.Flash.Info(ctx.Tr("auth.twofa_scratch_used"))
if ctx.Written() {
return
}
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
return
}
handleSignInFull(ctx, u, remember, true)
handleSignIn(ctx, u, remember)
}
// MustChangePassword renders the page to change a user's password

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@ -16,6 +16,7 @@ import (
"code.gitea.io/gitea/modules/hcaptcha"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/recaptcha"
"code.gitea.io/gitea/modules/session"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
@ -232,6 +233,11 @@ func signInOpenIDVerify(ctx *context.Context) {
}
}
if _, err := session.RegenerateSession(ctx.Resp, ctx.Req); err != nil {
ctx.ServerError("RegenerateSession", err)
return
}
if err := ctx.Session.Set("openid_verified_uri", id); err != nil {
log.Error("signInOpenIDVerify: Could not set openid_verified_uri in session: %v", err)
}

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@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/models/db"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/session"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/web/middleware"
)
@ -106,6 +107,14 @@ func isGitRawReleaseOrLFSPath(req *http.Request) bool {
// handleSignIn clears existing session variables and stores new ones for the specified user object
func handleSignIn(resp http.ResponseWriter, req *http.Request, sess SessionStore, user *user_model.User) {
// We need to regenerate the session...
newSess, err := session.RegenerateSession(resp, req)
if err != nil {
log.Error(fmt.Sprintf("Error regenerating session: %v", err))
} else {
sess = newSess
}
_ = sess.Delete("openid_verified_uri")
_ = sess.Delete("openid_signin_remember")
_ = sess.Delete("openid_determined_email")
@ -114,7 +123,7 @@ func handleSignIn(resp http.ResponseWriter, req *http.Request, sess SessionStore
_ = sess.Delete("twofaRemember")
_ = sess.Delete("u2fChallenge")
_ = sess.Delete("linkAccount")
err := sess.Set("uid", user.ID)
err = sess.Set("uid", user.ID)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
}

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@ -55,6 +55,7 @@ func (st *SessionsStore) getOrNew(r *http.Request, name string, override bool) (
}
}
session.IsNew = override
session.ID = chiStore.ID() // Simply copy the session id from the chi store
return session, chiStore.Set(name, session)
@ -64,6 +65,11 @@ func (st *SessionsStore) getOrNew(r *http.Request, name string, override bool) (
func (st *SessionsStore) Save(r *http.Request, w http.ResponseWriter, session *sessions.Session) error {
chiStore := chiSession.GetSession(r)
if session.IsNew {
_, _ = chiSession.RegenerateSession(w, r)
session.IsNew = false
}
if err := chiStore.Set(session.Name(), session); err != nil {
return err
}

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@ -260,7 +260,7 @@ func Sessioner(options ...Options) func(next http.Handler) http.Handler {
return
}
if err = sess.Release(); err != nil {
if err = s.RawStore.Release(); err != nil {
panic("session(release): " + err.Error())
}
})
@ -274,6 +274,26 @@ func GetSession(req *http.Request) Store {
return sess
}
// RegenerateSession
func RegenerateSession(resp http.ResponseWriter, req *http.Request) (Store, error) {
sess, ok := GetSession(req).(*store)
if !ok {
return nil, fmt.Errorf("no session in request context")
}
oldRawStore := sess.RawStore
if err := oldRawStore.Release(); err != nil {
return nil, err
}
store, err := sess.RegenerateID(resp, req)
if err != nil {
return nil, err
}
sess.RawStore = store
return sess, nil
}
// Provider is the interface that provides session manipulations.
type Provider interface {
// Init initializes session provider.

2
vendor/modules.txt vendored
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@ -18,7 +18,7 @@ gitea.com/go-chi/cache/memcache
# gitea.com/go-chi/captcha v0.0.0-20211013065431-70641c1a35d5
## explicit
gitea.com/go-chi/captcha
# gitea.com/go-chi/session v0.0.0-20211013065435-7d334f340c09
# gitea.com/go-chi/session v0.0.0-20211218221615-e3605d8b28b8
## explicit
gitea.com/go-chi/session
gitea.com/go-chi/session/couchbase