mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-18 18:43:26 +02:00
190 lines
4.7 KiB
Go
190 lines
4.7 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/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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ctx.ServerError("SettingsTwoFactor", 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", 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", 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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ctx.ServerError("SettingsTwoFactor", 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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ctx.ServerError("SettingsTwoFactor", 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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}
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if otpKey == nil {
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err = nil // clear the error, in case the URL was invalid
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otpKey, err = totp.Generate(totp.GenerateOpts{
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SecretSize: 40,
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Issuer: setting.AppName + " (" + strings.TrimRight(setting.AppURL, "/") + ")",
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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", 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", 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", 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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ctx.Session.Set("twofaSecret", otpKey.Secret())
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ctx.Session.Set("twofaUri", otpKey.String())
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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
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ctx.ServerError("SettingsTwoFactor", err)
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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", 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.ServerError("SettingsTwoFactor", err)
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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", 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", 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", err)
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return
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}
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if err = models.NewTwoFactor(t); err != nil {
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ctx.ServerError("SettingsTwoFactor", err)
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return
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}
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ctx.Session.Delete("twofaSecret")
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ctx.Session.Delete("twofaUri")
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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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