From bcc13f3889b45a3063cf1140c56e9a3f14d9b8b8 Mon Sep 17 00:00:00 2001 From: zeripath Date: Mon, 20 Dec 2021 14:12:26 +0000 Subject: [PATCH] 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 * with new session.RegenerateID function Signed-off-by: Andrew Thornton * update go-chi/session Signed-off-by: Andrew Thornton * Ensure that session id is changed after oauth data is set and between account linking pages too Signed-off-by: Andrew Thornton * placate lint Signed-off-by: Andrew Thornton * as per review Signed-off-by: Andrew Thornton --- go.mod | 2 +- go.sum | 4 +- modules/session/store.go | 12 ++++ routers/web/user/auth.go | 67 ++++++++++++++++++++-- routers/web/user/auth_openid.go | 6 ++ services/auth/auth.go | 11 +++- services/auth/source/oauth2/store.go | 6 ++ vendor/gitea.com/go-chi/session/session.go | 22 ++++++- vendor/modules.txt | 2 +- 9 files changed, 121 insertions(+), 11 deletions(-) diff --git a/go.mod b/go.mod index 91bcae3e5..b608790e0 100644 --- a/go.mod +++ b/go.mod @@ -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 diff --git a/go.sum b/go.sum index e9b3ecbc7..d817e9766 100644 --- a/go.sum +++ b/go.sum @@ -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= diff --git a/modules/session/store.go b/modules/session/store.go index 529187d3b..8c5d7d82e 100644 --- a/modules/session/store.go +++ b/modules/session/store.go @@ -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 +} diff --git a/routers/web/user/auth.go b/routers/web/user/auth.go index 9f7796b9e..356a90785 100644 --- a/routers/web/user/auth.go +++ b/routers/web/user/auth.go @@ -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 diff --git a/routers/web/user/auth_openid.go b/routers/web/user/auth_openid.go index 884ec29c2..55dd8f8d0 100644 --- a/routers/web/user/auth_openid.go +++ b/routers/web/user/auth_openid.go @@ -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) } diff --git a/services/auth/auth.go b/services/auth/auth.go index e53691221..ceb9f4c5d 100644 --- a/services/auth/auth.go +++ b/services/auth/auth.go @@ -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)) } diff --git a/services/auth/source/oauth2/store.go b/services/auth/source/oauth2/store.go index 4026abb6e..f00264f99 100644 --- a/services/auth/source/oauth2/store.go +++ b/services/auth/source/oauth2/store.go @@ -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 } diff --git a/vendor/gitea.com/go-chi/session/session.go b/vendor/gitea.com/go-chi/session/session.go index 5c2afedc9..be1067413 100644 --- a/vendor/gitea.com/go-chi/session/session.go +++ b/vendor/gitea.com/go-chi/session/session.go @@ -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. diff --git a/vendor/modules.txt b/vendor/modules.txt index 20444be1c..8b2b9350b 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -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