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Whenever the ctx.Session is updated, release it to save it before sending the redirect (#11456)

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

Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
zeripath 2020-05-17 13:43:29 +01:00 committed by GitHub
parent 50932ce8af
commit 76053ac31a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 168 additions and 100 deletions
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5
routers/install.go
View file

@ -387,6 +387,11 @@ func InstallPost(ctx *context.Context, form auth.InstallForm) {
ctx.RenderWithErr(ctx.Tr("install.save_config_failed", err), tplInstall, &form)
return
}
if err = ctx.Session.Release(); err != nil {
ctx.RenderWithErr(ctx.Tr("install.save_config_failed", err), tplInstall, &form)
return
}
}
log.Info("First-time run install finished!")

113
routers/user/auth.go
View file

@ -82,14 +82,18 @@ func AutoSignIn(ctx *context.Context) (bool, error) {
}
isSucceed = true
err = ctx.Session.Set("uid", u.ID)
if err != nil {
// Set session IDs
if err := ctx.Session.Set("uid", u.ID); err != nil {
return false, err
}
err = ctx.Session.Set("uname", u.Name)
if err != nil {
if err := ctx.Session.Set("uname", u.Name); err != nil {
return false, err
}
if err := ctx.Session.Release(); err != nil {
return false, err
}
ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubURL, setting.SessionConfig.Domain, setting.SessionConfig.Secure, true)
return true, nil
}
@ -204,14 +208,16 @@ func SignInPost(ctx *context.Context, form auth.SignInForm) {
}
// User needs to use 2FA, save data and redirect to 2FA page.
err = ctx.Session.Set("twofaUid", u.ID)
if err != nil {
ctx.ServerError("UserSignIn", err)
if err := ctx.Session.Set("twofaUid", u.ID); err != nil {
ctx.ServerError("UserSignIn: Unable to set twofaUid in session", err)
return
}
err = ctx.Session.Set("twofaRemember", form.Remember)
if err != nil {
ctx.ServerError("UserSignIn", err)
if err := ctx.Session.Set("twofaRemember", form.Remember); err != nil {
ctx.ServerError("UserSignIn: Unable to set twofaRemember in session", err)
return
}
if err := ctx.Session.Release(); err != nil {
ctx.ServerError("UserSignIn: Unable to save session", err)
return
}
@ -408,10 +414,14 @@ func U2FChallenge(ctx *context.Context) {
ctx.ServerError("u2f.NewChallenge", err)
return
}
if err = ctx.Session.Set("u2fChallenge", challenge); err != nil {
ctx.ServerError("UserSignIn", err)
if err := ctx.Session.Set("u2fChallenge", challenge); err != nil {
ctx.ServerError("UserSignIn: unable to set u2fChallenge in session", err)
return
}
if err := ctx.Session.Release(); err != nil {
ctx.ServerError("UserSignIn: unable to store session", err)
}
ctx.JSON(200, challenge.SignRequest(regs.ToRegistrations()))
}
@ -495,13 +505,14 @@ func handleSignInFull(ctx *context.Context, u *models.User, remember bool, obeyR
_ = ctx.Session.Delete("twofaRemember")
_ = ctx.Session.Delete("u2fChallenge")
_ = ctx.Session.Delete("linkAccount")
err := ctx.Session.Set("uid", u.ID)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("uid", u.ID); err != nil {
log.Error("Error setting uid %d in session: %v", u.ID, err)
}
err = ctx.Session.Set("uname", u.Name)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("uname", u.Name); err != nil {
log.Error("Error setting uname %s session: %v", u.Name, err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("Unable to store session: %v", err)
}
// Language setting of the user overwrites the one previously set
@ -594,9 +605,11 @@ func handleOAuth2SignIn(u *models.User, gothUser goth.User, ctx *context.Context
if u == nil {
// no existing user is found, request attach or new account
err = ctx.Session.Set("linkAccountGothUser", gothUser)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("linkAccountGothUser", gothUser); err != nil {
log.Error("Error setting linkAccountGothUser in session: %v", err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("Error storing session: %v", err)
}
ctx.Redirect(setting.AppSubURL + "/user/link_account")
return
@ -611,13 +624,14 @@ func handleOAuth2SignIn(u *models.User, gothUser goth.User, ctx *context.Context
return
}
err = ctx.Session.Set("uid", u.ID)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("uid", u.ID); err != nil {
log.Error("Error setting uid in session: %v", err)
}
err = ctx.Session.Set("uname", u.Name)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("uname", u.Name); err != nil {
log.Error("Error setting uname in session: %v", err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("Error storing session: %v", err)
}
// Clear whatever CSRF has right now, force to generate a new one
@ -646,13 +660,14 @@ func handleOAuth2SignIn(u *models.User, gothUser goth.User, ctx *context.Context
}
// User needs to use 2FA, save data and redirect to 2FA page.
err = ctx.Session.Set("twofaUid", u.ID)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("twofaUid", u.ID); err != nil {
log.Error("Error setting twofaUid in session: %v", err)
}
err = ctx.Session.Set("twofaRemember", false)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("twofaRemember", false); err != nil {
log.Error("Error setting twofaRemember in session: %v", err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("Error storing session: %v", err)
}
// If U2F is enrolled -> Redirect to U2F instead
@ -821,17 +836,17 @@ func LinkAccountPostSignIn(ctx *context.Context, signInForm auth.SignInForm) {
}
// User needs to use 2FA, save data and redirect to 2FA page.
err = ctx.Session.Set("twofaUid", u.ID)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("twofaUid", u.ID); err != nil {
log.Error("Error setting twofaUid in session: %v", err)
}
err = ctx.Session.Set("twofaRemember", signInForm.Remember)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("twofaRemember", signInForm.Remember); err != nil {
log.Error("Error setting twofaRemember in session: %v", err)
}
err = ctx.Session.Set("linkAccount", true)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("linkAccount", true); err != nil {
log.Error("Error setting linkAccount in session: %v", err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("Error storing session: %v", err)
}
// If U2F is enrolled -> Redirect to U2F instead
@ -1200,14 +1215,16 @@ func Activate(ctx *context.Context) {
log.Trace("User activated: %s", user.Name)
err = ctx.Session.Set("uid", user.ID)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("uid", user.ID); err != nil {
log.Error(fmt.Sprintf("Error setting uid in session: %v", err))
}
err = ctx.Session.Set("uname", user.Name)
if err != nil {
log.Error(fmt.Sprintf("Error setting session: %v", err))
if err := ctx.Session.Set("uname", user.Name); err != nil {
log.Error(fmt.Sprintf("Error setting uname in session: %v", err))
}
if err := ctx.Session.Release(); err != nil {
log.Error("Error storing session: %v", err)
}
ctx.Flash.Success(ctx.Tr("auth.account_activated"))
ctx.Redirect(setting.AppSubURL + "/")
return

28
routers/user/auth_openid.go
View file

@ -128,9 +128,12 @@ func SignInOpenIDPost(ctx *context.Context, form auth.SignInOpenIDForm) {
url += "&openid.sreg.optional=nickname%2Cemail"
log.Trace("Form-passed openid-remember: %t", form.Remember)
err = ctx.Session.Set("openid_signin_remember", form.Remember)
if err != nil {
log.Error("SignInOpenIDPost: Could not set session: %v", err.Error())
if err := ctx.Session.Set("openid_signin_remember", form.Remember); err != nil {
log.Error("SignInOpenIDPost: Could not set openid_signin_remember in session: %v", err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("SignInOpenIDPost: Unable to save changes to the session: %v", err)
}
ctx.Redirect(url)
@ -227,23 +230,22 @@ func signInOpenIDVerify(ctx *context.Context) {
}
}
err = ctx.Session.Set("openid_verified_uri", id)
if err != nil {
log.Error("signInOpenIDVerify: Could not set session: %v", err.Error())
if err := ctx.Session.Set("openid_verified_uri", id); err != nil {
log.Error("signInOpenIDVerify: Could not set openid_verified_uri in session: %v", err)
}
err = ctx.Session.Set("openid_determined_email", email)
if err != nil {
log.Error("signInOpenIDVerify: Could not set session: %v", err.Error())
if err := ctx.Session.Set("openid_determined_email", email); err != nil {
log.Error("signInOpenIDVerify: Could not set openid_determined_email in session: %v", err)
}
if u != nil {
nickname = u.LowerName
}
err = ctx.Session.Set("openid_determined_username", nickname)
if err != nil {
log.Error("signInOpenIDVerify: Could not set session: %v", err.Error())
if err := ctx.Session.Set("openid_determined_username", nickname); err != nil {
log.Error("signInOpenIDVerify: Could not set openid_determined_username in session: %v", err)
}
if err := ctx.Session.Release(); err != nil {
log.Error("signInOpenIDVerify: Unable to save changes to the session: %v", err)
}
if u != nil || !setting.Service.EnableOpenIDSignUp {

10
routers/user/oauth.go
View file

@ -229,6 +229,11 @@ func AuthorizeOAuth(ctx *context.Context, form auth.AuthorizationForm) {
}, form.RedirectURI)
return
}
// Here we're just going to try to release the session early
if err := ctx.Session.Release(); err != nil {
// we'll tolerate errors here as they *should* get saved elsewhere
log.Error("Unable to save changes to the session: %v", err)
}
case "":
break
default:
@ -287,6 +292,11 @@ func AuthorizeOAuth(ctx *context.Context, form auth.AuthorizationForm) {
log.Error(err.Error())
return
}
// Here we're just going to try to release the session early
if err := ctx.Session.Release(); err != nil {
// we'll tolerate errors here as they *should* get saved elsewhere
log.Error("Unable to save changes to the session: %v", err)
}
ctx.HTML(200, tplGrantAccess)
}

96
routers/user/setting/security_twofa.go
View file

@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/pquerna/otp"
@ -28,18 +29,22 @@ func RegenerateScratchTwoFactor(ctx *context.Context) {
t, err := models.GetTwoFactorByUID(ctx.User.ID)
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
if models.IsErrTwoFactorNotEnrolled(err) {
ctx.Flash.Error(ctx.Tr("setting.twofa_not_enrolled"))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
}
ctx.ServerError("SettingsTwoFactor: Failed to GetTwoFactorByUID", err)
return
}
token, err := t.GenerateScratchToken()
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: Failed to GenerateScratchToken", err)
return
}
if err = models.UpdateTwoFactor(t); err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: Failed to UpdateTwoFactor", err)
return
}
@ -54,12 +59,21 @@ func DisableTwoFactor(ctx *context.Context) {
t, err := models.GetTwoFactorByUID(ctx.User.ID)
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
if models.IsErrTwoFactorNotEnrolled(err) {
ctx.Flash.Error(ctx.Tr("setting.twofa_not_enrolled"))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
}
ctx.ServerError("SettingsTwoFactor: Failed to GetTwoFactorByUID", err)
return
}
if err = models.DeleteTwoFactorByID(t.ID, ctx.User.ID); err != nil {
ctx.ServerError("SettingsTwoFactor", err)
if models.IsErrTwoFactorNotEnrolled(err) {
// There is a potential DB race here - we must have been disabled by another request in the intervening period
ctx.Flash.Success(ctx.Tr("settings.twofa_disabled"))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
}
ctx.ServerError("SettingsTwoFactor: Failed to DeleteTwoFactorByID", err)
return
}
@ -74,7 +88,7 @@ func twofaGenerateSecretAndQr(ctx *context.Context) bool {
if uri != nil {
otpKey, err = otp.NewKeyFromURL(uri.(string))
if err != nil {
ctx.ServerError("SettingsTwoFactor: NewKeyFromURL: ", err)
ctx.ServerError("SettingsTwoFactor: Failed NewKeyFromURL: ", err)
return false
}
}
@ -87,7 +101,7 @@ func twofaGenerateSecretAndQr(ctx *context.Context) bool {
AccountName: ctx.User.Name,
})
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: totpGenerate Failed", err)
return false
}
}
@ -95,27 +109,33 @@ func twofaGenerateSecretAndQr(ctx *context.Context) bool {
ctx.Data["TwofaSecret"] = otpKey.Secret()
img, err := otpKey.Image(320, 240)
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: otpKey image generation failed", err)
return false
}
var imgBytes bytes.Buffer
if err = png.Encode(&imgBytes, img); err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: otpKey png encoding failed", err)
return false
}
ctx.Data["QrUri"] = template.URL("data:image/png;base64," + base64.StdEncoding.EncodeToString(imgBytes.Bytes()))
err = ctx.Session.Set("twofaSecret", otpKey.Secret())
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
if err := ctx.Session.Set("twofaSecret", otpKey.Secret()); err != nil {
ctx.ServerError("SettingsTwoFactor: Failed to set session for twofaSecret", err)
return false
}
err = ctx.Session.Set("twofaUri", otpKey.String())
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
if err := ctx.Session.Set("twofaUri", otpKey.String()); err != nil {
ctx.ServerError("SettingsTwoFactor: Failed to set session for twofaUri", err)
return false
}
// Here we're just going to try to release the session early
if err := ctx.Session.Release(); err != nil {
// we'll tolerate errors here as they *should* get saved elsewhere
log.Error("Unable to save changes to the session: %v", err)
}
return true
}
@ -126,12 +146,14 @@ func EnrollTwoFactor(ctx *context.Context) {
t, err := models.GetTwoFactorByUID(ctx.User.ID)
if t != nil {
// already enrolled
ctx.ServerError("SettingsTwoFactor", err)
// already enrolled - we should redirect back!
log.Warn("Trying to re-enroll %-v in twofa when already enrolled", ctx.User)
ctx.Flash.Error(ctx.Tr("setting.twofa_is_enrolled"))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
return
}
if err != nil && !models.IsErrTwoFactorNotEnrolled(err) {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: GetTwoFactorByUID", err)
return
}
@ -150,11 +172,12 @@ func EnrollTwoFactorPost(ctx *context.Context, form auth.TwoFactorAuthForm) {
t, err := models.GetTwoFactorByUID(ctx.User.ID)
if t != nil {
// already enrolled
ctx.ServerError("SettingsTwoFactor", err)
ctx.Flash.Error(ctx.Tr("setting.twofa_is_enrolled"))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
return
}
if err != nil && !models.IsErrTwoFactorNotEnrolled(err) {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: Failed to check if already enrolled with GetTwoFactorByUID", err)
return
}
@ -181,30 +204,37 @@ func EnrollTwoFactorPost(ctx *context.Context, form auth.TwoFactorAuthForm) {
}
err = t.SetSecret(secret)
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: Failed to set secret", err)
return
}
token, err := t.GenerateScratchToken()
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
ctx.ServerError("SettingsTwoFactor: Failed to generate scratch token", err)
return
}
// Now we have to delete the secrets - because if we fail to insert then it's highly likely that they have already been used
// If we can detect the unique constraint failure below we can move this to after the NewTwoFactor
if err := ctx.Session.Delete("twofaSecret"); err != nil {
// tolerate this failure - it's more important to continue
log.Error("Unable to delete twofaSecret from the session: Error: %v", err)
}
if err := ctx.Session.Delete("twofaUri"); err != nil {
// tolerate this failure - it's more important to continue
log.Error("Unable to delete twofaUri from the session: Error: %v", err)
}
if err := ctx.Session.Release(); err != nil {
// tolerate this failure - it's more important to continue
log.Error("Unable to save changes to the session: %v", err)
}
if err = models.NewTwoFactor(t); err != nil {
ctx.ServerError("SettingsTwoFactor", err)
// FIXME: We need to handle a unique constraint fail here it's entirely possible that another request has beaten us.
// If there is a unique constraint fail we should just tolerate the error
ctx.ServerError("SettingsTwoFactor: Failed to save two factor", err)
return
}
err = ctx.Session.Delete("twofaSecret")
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
return
}
err = ctx.Session.Delete("twofaUri")
if err != nil {
ctx.ServerError("SettingsTwoFactor", err)
return
}
ctx.Flash.Success(ctx.Tr("settings.twofa_enrolled", token))
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
}

16
routers/user/setting/security_u2f.go
View file

@ -10,6 +10,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/tstranex/u2f"
@ -26,9 +27,8 @@ func U2FRegister(ctx *context.Context, form auth.U2FRegistrationForm) {
ctx.ServerError("NewChallenge", err)
return
}
err = ctx.Session.Set("u2fChallenge", challenge)
if err != nil {
ctx.ServerError("Session.Set", err)
if err := ctx.Session.Set("u2fChallenge", challenge); err != nil {
ctx.ServerError("Unable to set session key for u2fChallenge", err)
return
}
regs, err := models.GetU2FRegistrationsByUID(ctx.User.ID)
@ -42,11 +42,15 @@ func U2FRegister(ctx *context.Context, form auth.U2FRegistrationForm) {
return
}
}
err = ctx.Session.Set("u2fName", form.Name)
if err != nil {
ctx.ServerError("", err)
if err := ctx.Session.Set("u2fName", form.Name); err != nil {
ctx.ServerError("Unable to set session key for u2fName", err)
return
}
// Here we're just going to try to release the session early
if err := ctx.Session.Release(); err != nil {
// we'll tolerate errors here as they *should* get saved elsewhere
log.Error("Unable to save changes to the session: %v", err)
}
ctx.JSON(200, u2f.NewWebRegisterRequest(challenge, regs.ToRegistrations()))
}