mirror of
https://github.com/go-gitea/gitea.git
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64133126cd
This PR updates golangci-lint to the latest version 1.31.0. The upgrade introduced a new check for which I've fixed or disabled most cases. Signed-off-by: kolaente <k@knt.li>
241 lines
7.5 KiB
Go
241 lines
7.5 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2018 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 setting
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import (
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"bytes"
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"encoding/base64"
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"html/template"
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"image/png"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/pquerna/otp"
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"github.com/pquerna/otp/totp"
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)
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// RegenerateScratchTwoFactor regenerates the user's 2FA scratch code.
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func RegenerateScratchTwoFactor(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("settings")
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ctx.Data["PageIsSettingsSecurity"] = true
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t, err := models.GetTwoFactorByUID(ctx.User.ID)
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if err != nil {
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if models.IsErrTwoFactorNotEnrolled(err) {
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ctx.Flash.Error(ctx.Tr("setting.twofa_not_enrolled"))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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}
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ctx.ServerError("SettingsTwoFactor: Failed to GetTwoFactorByUID", err)
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return
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}
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token, err := t.GenerateScratchToken()
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if err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed to GenerateScratchToken", err)
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return
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}
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if err = models.UpdateTwoFactor(t); err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed to UpdateTwoFactor", err)
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return
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}
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ctx.Flash.Success(ctx.Tr("settings.twofa_scratch_token_regenerated", token))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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}
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// DisableTwoFactor deletes the user's 2FA settings.
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func DisableTwoFactor(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("settings")
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ctx.Data["PageIsSettingsSecurity"] = true
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t, err := models.GetTwoFactorByUID(ctx.User.ID)
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if err != nil {
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if models.IsErrTwoFactorNotEnrolled(err) {
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ctx.Flash.Error(ctx.Tr("setting.twofa_not_enrolled"))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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}
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ctx.ServerError("SettingsTwoFactor: Failed to GetTwoFactorByUID", err)
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return
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}
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if err = models.DeleteTwoFactorByID(t.ID, ctx.User.ID); err != nil {
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if models.IsErrTwoFactorNotEnrolled(err) {
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// There is a potential DB race here - we must have been disabled by another request in the intervening period
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ctx.Flash.Success(ctx.Tr("settings.twofa_disabled"))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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}
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ctx.ServerError("SettingsTwoFactor: Failed to DeleteTwoFactorByID", err)
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return
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}
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ctx.Flash.Success(ctx.Tr("settings.twofa_disabled"))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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}
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func twofaGenerateSecretAndQr(ctx *context.Context) bool {
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var otpKey *otp.Key
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var err error
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uri := ctx.Session.Get("twofaUri")
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if uri != nil {
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otpKey, err = otp.NewKeyFromURL(uri.(string))
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if err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed NewKeyFromURL: ", err)
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return false
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}
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}
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// Filter unsafe character ':' in issuer
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issuer := strings.ReplaceAll(setting.AppName+" ("+setting.Domain+")", ":", "")
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if otpKey == nil {
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otpKey, err = totp.Generate(totp.GenerateOpts{
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SecretSize: 40,
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Issuer: issuer,
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AccountName: ctx.User.Name,
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})
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if err != nil {
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ctx.ServerError("SettingsTwoFactor: totpGenerate Failed", err)
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return false
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}
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}
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ctx.Data["TwofaSecret"] = otpKey.Secret()
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img, err := otpKey.Image(320, 240)
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if err != nil {
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ctx.ServerError("SettingsTwoFactor: otpKey image generation failed", err)
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return false
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}
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var imgBytes bytes.Buffer
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if err = png.Encode(&imgBytes, img); err != nil {
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ctx.ServerError("SettingsTwoFactor: otpKey png encoding failed", err)
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return false
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}
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ctx.Data["QrUri"] = template.URL("data:image/png;base64," + base64.StdEncoding.EncodeToString(imgBytes.Bytes()))
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if err := ctx.Session.Set("twofaSecret", otpKey.Secret()); err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed to set session for twofaSecret", err)
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return false
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}
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if err := ctx.Session.Set("twofaUri", otpKey.String()); err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed to set session for twofaUri", err)
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return false
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}
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// Here we're just going to try to release the session early
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if err := ctx.Session.Release(); err != nil {
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// we'll tolerate errors here as they *should* get saved elsewhere
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log.Error("Unable to save changes to the session: %v", err)
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}
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return true
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}
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// EnrollTwoFactor shows the page where the user can enroll into 2FA.
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func EnrollTwoFactor(ctx *context.Context) {
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ctx.Data["Title"] = ctx.Tr("settings")
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ctx.Data["PageIsSettingsSecurity"] = true
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t, err := models.GetTwoFactorByUID(ctx.User.ID)
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if t != nil {
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// already enrolled - we should redirect back!
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log.Warn("Trying to re-enroll %-v in twofa when already enrolled", ctx.User)
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ctx.Flash.Error(ctx.Tr("setting.twofa_is_enrolled"))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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return
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}
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if err != nil && !models.IsErrTwoFactorNotEnrolled(err) {
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ctx.ServerError("SettingsTwoFactor: GetTwoFactorByUID", err)
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return
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}
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if !twofaGenerateSecretAndQr(ctx) {
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return
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}
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ctx.HTML(200, tplSettingsTwofaEnroll)
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}
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// EnrollTwoFactorPost handles enrolling the user into 2FA.
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func EnrollTwoFactorPost(ctx *context.Context, form auth.TwoFactorAuthForm) {
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ctx.Data["Title"] = ctx.Tr("settings")
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ctx.Data["PageIsSettingsSecurity"] = true
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t, err := models.GetTwoFactorByUID(ctx.User.ID)
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if t != nil {
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// already enrolled
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ctx.Flash.Error(ctx.Tr("setting.twofa_is_enrolled"))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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return
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}
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if err != nil && !models.IsErrTwoFactorNotEnrolled(err) {
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ctx.ServerError("SettingsTwoFactor: Failed to check if already enrolled with GetTwoFactorByUID", err)
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return
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}
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if ctx.HasError() {
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if !twofaGenerateSecretAndQr(ctx) {
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return
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}
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ctx.HTML(200, tplSettingsTwofaEnroll)
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return
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}
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secret := ctx.Session.Get("twofaSecret").(string)
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if !totp.Validate(form.Passcode, secret) {
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if !twofaGenerateSecretAndQr(ctx) {
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return
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}
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ctx.Flash.Error(ctx.Tr("settings.passcode_invalid"))
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ctx.HTML(200, tplSettingsTwofaEnroll)
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return
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}
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t = &models.TwoFactor{
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UID: ctx.User.ID,
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}
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err = t.SetSecret(secret)
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if err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed to set secret", err)
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return
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}
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token, err := t.GenerateScratchToken()
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if err != nil {
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ctx.ServerError("SettingsTwoFactor: Failed to generate scratch token", err)
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return
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}
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// Now we have to delete the secrets - because if we fail to insert then it's highly likely that they have already been used
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// If we can detect the unique constraint failure below we can move this to after the NewTwoFactor
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if err := ctx.Session.Delete("twofaSecret"); err != nil {
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// tolerate this failure - it's more important to continue
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log.Error("Unable to delete twofaSecret from the session: Error: %v", err)
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}
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if err := ctx.Session.Delete("twofaUri"); err != nil {
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// tolerate this failure - it's more important to continue
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log.Error("Unable to delete twofaUri from the session: Error: %v", err)
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}
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if err := ctx.Session.Release(); err != nil {
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// tolerate this failure - it's more important to continue
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log.Error("Unable to save changes to the session: %v", err)
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}
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if err = models.NewTwoFactor(t); err != nil {
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// FIXME: We need to handle a unique constraint fail here it's entirely possible that another request has beaten us.
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// If there is a unique constraint fail we should just tolerate the error
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ctx.ServerError("SettingsTwoFactor: Failed to save two factor", err)
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return
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}
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ctx.Flash.Success(ctx.Tr("settings.twofa_enrolled", token))
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ctx.Redirect(setting.AppSubURL + "/user/settings/security")
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}
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