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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package user
import (
"errors"
"fmt"
"net/url"
"github.com/go-macaron/captcha"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
const (
// tplSignIn template for sign in page
tplSignIn base.TplName = "user/auth/signin"
// tplSignUp template path for sign up page
tplSignUp base.TplName = "user/auth/signup"
// TplActivate template path for activate user
TplActivate base.TplName = "user/auth/activate"
tplForgotPassword base.TplName = "user/auth/forgot_passwd"
tplResetPassword base.TplName = "user/auth/reset_passwd"
tplTwofa base.TplName = "user/auth/twofa"
tplTwofaScratch base.TplName = "user/auth/twofa_scratch"
)
// AutoSignIn reads cookie and try to auto-login.
func AutoSignIn(ctx *context.Context) (bool, error) {
if !models.HasEngine {
return false, nil
}
uname := ctx.GetCookie(setting.CookieUserName)
if len(uname) == 0 {
return false, nil
}
isSucceed := false
defer func() {
if !isSucceed {
log.Trace("auto-login cookie cleared: %s", uname)
ctx.SetCookie(setting.CookieUserName, "", -1, setting.AppSubURL)
ctx.SetCookie(setting.CookieRememberName, "", -1, setting.AppSubURL)
}
}()
u, err := models.GetUserByName(uname)
if err != nil {
if !models.IsErrUserNotExist(err) {
return false, fmt.Errorf("GetUserByName: %v", err)
}
return false, nil
}
if val, _ := ctx.GetSuperSecureCookie(
base.EncodeMD5(u.Rands+u.Passwd), setting.CookieRememberName); val != u.Name {
return false, nil
}
isSucceed = true
ctx.Session.Set("uid", u.ID)
ctx.Session.Set("uname", u.Name)
ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubURL)
return true, nil
}
func checkAutoLogin(ctx *context.Context) bool {
// Check auto-login.
isSucceed, err := AutoSignIn(ctx)
if err != nil {
ctx.Handle(500, "AutoSignIn", err)
return true
}
redirectTo := ctx.Query("redirect_to")
if len(redirectTo) > 0 {
ctx.SetCookie("redirect_to", redirectTo, 0, setting.AppSubURL)
} else {
redirectTo, _ = url.QueryUnescape(ctx.GetCookie("redirect_to"))
}
if isSucceed {
if len(redirectTo) > 0 {
ctx.SetCookie("redirect_to", "", -1, setting.AppSubURL)
ctx.Redirect(redirectTo)
} else {
ctx.Redirect(setting.AppSubURL + "/")
}
return true
}
return false
}
// SignIn render sign in page
func SignIn(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("sign_in")
// Check auto-login.
if checkAutoLogin(ctx) {
return
}
ctx.HTML(200, tplSignIn)
}
// SignInPost response for sign in request
func SignInPost(ctx *context.Context, form auth.SignInForm) {
ctx.Data["Title"] = ctx.Tr("sign_in")
if ctx.HasError() {
ctx.HTML(200, tplSignIn)
return
}
u, err := models.UserSignIn(form.UserName, form.Password)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.RenderWithErr(ctx.Tr("form.username_password_incorrect"), tplSignIn, &form)
} else {
ctx.Handle(500, "UserSignIn", err)
}
return
}
// If this user is enrolled in 2FA, we can't sign the user in just yet.
// Instead, redirect them to the 2FA authentication page.
_, err = models.GetTwoFactorByUID(u.ID)
if err != nil {
if models.IsErrTwoFactorNotEnrolled(err) {
handleSignIn(ctx, u, form.Remember)
} else {
ctx.Handle(500, "UserSignIn", err)
}
return
}
// User needs to use 2FA, save data and redirect to 2FA page.
ctx.Session.Set("twofaUid", u.ID)
ctx.Session.Set("twofaRemember", form.Remember)
ctx.Redirect(setting.AppSubURL + "/user/two_factor")
}
// TwoFactor shows the user a two-factor authentication page.
func TwoFactor(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("twofa")
// Check auto-login.
if checkAutoLogin(ctx) {
return
}
// Ensure user is in a 2FA session.
if ctx.Session.Get("twofaUid") == nil {
ctx.Handle(500, "UserSignIn", errors.New("not in 2FA session"))
return
}
ctx.HTML(200, tplTwofa)
}
// TwoFactorPost validates a user's two-factor authentication token.
func TwoFactorPost(ctx *context.Context, form auth.TwoFactorAuthForm) {
ctx.Data["Title"] = ctx.Tr("twofa")
// Ensure user is in a 2FA session.
idSess := ctx.Session.Get("twofaUid")
if idSess == nil {
ctx.Handle(500, "UserSignIn", errors.New("not in 2FA session"))
return
}
id := idSess.(int64)
twofa, err := models.GetTwoFactorByUID(id)
if err != nil {
ctx.Handle(500, "UserSignIn", err)
return
}
// Validate the passcode with the stored TOTP secret.
ok, err := twofa.ValidateTOTP(form.Passcode)
if err != nil {
ctx.Handle(500, "UserSignIn", err)
return
}
if ok {
remember := ctx.Session.Get("twofaRemember").(bool)
u, err := models.GetUserByID(id)
if err != nil {
ctx.Handle(500, "UserSignIn", err)
return
}
handleSignIn(ctx, u, remember)
return
}
ctx.RenderWithErr(ctx.Tr("auth.twofa_passcode_incorrect"), tplTwofa, auth.TwoFactorAuthForm{})
}
// TwoFactorScratch shows the scratch code form for two-factor authentication.
func TwoFactorScratch(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("twofa_scratch")
// Check auto-login.
if checkAutoLogin(ctx) {
return
}
// Ensure user is in a 2FA session.
if ctx.Session.Get("twofaUid") == nil {
ctx.Handle(500, "UserSignIn", errors.New("not in 2FA session"))
return
}
ctx.HTML(200, tplTwofaScratch)
}
// TwoFactorScratchPost validates and invalidates a user's two-factor scratch token.
func TwoFactorScratchPost(ctx *context.Context, form auth.TwoFactorScratchAuthForm) {
ctx.Data["Title"] = ctx.Tr("twofa_scratch")
// Ensure user is in a 2FA session.
idSess := ctx.Session.Get("twofaUid")
if idSess == nil {
ctx.Handle(500, "UserSignIn", errors.New("not in 2FA session"))
return
}
id := idSess.(int64)
twofa, err := models.GetTwoFactorByUID(id)
if err != nil {
ctx.Handle(500, "UserSignIn", err)
return
}
// Validate the passcode with the stored TOTP secret.
if twofa.VerifyScratchToken(form.Token) {
// Invalidate the scratch token.
twofa.ScratchToken = ""
if err = models.UpdateTwoFactor(twofa); err != nil {
ctx.Handle(500, "UserSignIn", err)
return
}
remember := ctx.Session.Get("twofaRemember").(bool)
u, err := models.GetUserByID(id)
if err != nil {
ctx.Handle(500, "UserSignIn", err)
return
}
handleSignInFull(ctx, u, remember, false)
ctx.Flash.Info(ctx.Tr("auth.twofa_scratch_used"))
ctx.Redirect(setting.AppSubURL + "/user/settings/two_factor")
return
}
ctx.RenderWithErr(ctx.Tr("auth.twofa_scratch_token_incorrect"), tplTwofaScratch, auth.TwoFactorScratchAuthForm{})
}
// This handles the final part of the sign-in process of the user.
func handleSignIn(ctx *context.Context, u *models.User, remember bool) {
handleSignInFull(ctx, u, remember, true)
}
func handleSignInFull(ctx *context.Context, u *models.User, remember bool, obeyRedirect bool) {
if remember {
days := 86400 * setting.LogInRememberDays
ctx.SetCookie(setting.CookieUserName, u.Name, days, setting.AppSubURL)
ctx.SetSuperSecureCookie(base.EncodeMD5(u.Rands+u.Passwd),
setting.CookieRememberName, u.Name, days, setting.AppSubURL)
}
ctx.Session.Delete("twofaUid")
ctx.Session.Delete("twofaRemember")
ctx.Session.Set("uid", u.ID)
ctx.Session.Set("uname", u.Name)
// Clear whatever CSRF has right now, force to generate a new one
ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubURL)
// Register last login
u.SetLastLogin()
if err := models.UpdateUser(u); err != nil {
ctx.Handle(500, "UpdateUser", err)
return
}
if redirectTo, _ := url.QueryUnescape(ctx.GetCookie("redirect_to")); len(redirectTo) > 0 {
ctx.SetCookie("redirect_to", "", -1, setting.AppSubURL)
if obeyRedirect {
ctx.Redirect(redirectTo)
}
return
}
if obeyRedirect {
ctx.Redirect(setting.AppSubURL + "/")
}
}
// SignOut sign out from login status
func SignOut(ctx *context.Context) {
ctx.Session.Delete("uid")
ctx.Session.Delete("uname")
ctx.Session.Delete("socialId")
ctx.Session.Delete("socialName")
ctx.Session.Delete("socialEmail")
ctx.SetCookie(setting.CookieUserName, "", -1, setting.AppSubURL)
ctx.SetCookie(setting.CookieRememberName, "", -1, setting.AppSubURL)
ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubURL)
ctx.Redirect(setting.AppSubURL + "/")
}
// SignUp render the register page
func SignUp(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("sign_up")
ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
if setting.Service.DisableRegistration {
ctx.Data["DisableRegistration"] = true
ctx.HTML(200, tplSignUp)
return
}
ctx.HTML(200, tplSignUp)
}
// SignUpPost response for sign up information submission
func SignUpPost(ctx *context.Context, cpt *captcha.Captcha, form auth.RegisterForm) {
ctx.Data["Title"] = ctx.Tr("sign_up")
ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
if setting.Service.DisableRegistration {
ctx.Error(403)
return
}
if ctx.HasError() {
ctx.HTML(200, tplSignUp)
return
}
if setting.Service.EnableCaptcha && !cpt.VerifyReq(ctx.Req) {
ctx.Data["Err_Captcha"] = true
ctx.RenderWithErr(ctx.Tr("form.captcha_incorrect"), tplSignUp, &form)
return
}
if form.Password != form.Retype {
ctx.Data["Err_Password"] = true
ctx.RenderWithErr(ctx.Tr("form.password_not_match"), tplSignUp, &form)
return
}
if len(form.Password) < setting.MinPasswordLength {
ctx.Data["Err_Password"] = true
ctx.RenderWithErr(ctx.Tr("auth.password_too_short", setting.MinPasswordLength), tplSignUp, &form)
return
}
u := &models.User{
Name: form.UserName,
Email: form.Email,
Passwd: form.Password,
IsActive: !setting.Service.RegisterEmailConfirm,
}
if err := models.CreateUser(u); err != nil {
switch {
case models.IsErrUserAlreadyExist(err):
ctx.Data["Err_UserName"] = true
ctx.RenderWithErr(ctx.Tr("form.username_been_taken"), tplSignUp, &form)
case models.IsErrEmailAlreadyUsed(err):
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("form.email_been_used"), tplSignUp, &form)
case models.IsErrNameReserved(err):
ctx.Data["Err_UserName"] = true
ctx.RenderWithErr(ctx.Tr("user.form.name_reserved", err.(models.ErrNameReserved).Name), tplSignUp, &form)
case models.IsErrNamePatternNotAllowed(err):
ctx.Data["Err_UserName"] = true
ctx.RenderWithErr(ctx.Tr("user.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), tplSignUp, &form)
default:
ctx.Handle(500, "CreateUser", err)
}
return
}
log.Trace("Account created: %s", u.Name)
// Auto-set admin for the only user.
if models.CountUsers() == 1 {
u.IsAdmin = true
u.IsActive = true
if err := models.UpdateUser(u); err != nil {
ctx.Handle(500, "UpdateUser", err)
return
}
}
// Send confirmation email, no need for social account.
if setting.Service.RegisterEmailConfirm && u.ID > 1 {
models.SendActivateAccountMail(ctx.Context, u)
ctx.Data["IsSendRegisterMail"] = true
ctx.Data["Email"] = u.Email
ctx.Data["Hours"] = setting.Service.ActiveCodeLives / 60
ctx.HTML(200, TplActivate)
if err := ctx.Cache.Put("MailResendLimit_"+u.LowerName, u.LowerName, 180); err != nil {
log.Error(4, "Set cache(MailResendLimit) fail: %v", err)
}
return
}
ctx.Redirect(setting.AppSubURL + "/user/login")
}
// Activate render activate user page
func Activate(ctx *context.Context) {
code := ctx.Query("code")
if len(code) == 0 {
ctx.Data["IsActivatePage"] = true
if ctx.User.IsActive {
ctx.Error(404)
return
}
// Resend confirmation email.
if setting.Service.RegisterEmailConfirm {
if ctx.Cache.IsExist("MailResendLimit_" + ctx.User.LowerName) {
ctx.Data["ResendLimited"] = true
} else {
ctx.Data["Hours"] = setting.Service.ActiveCodeLives / 60
models.SendActivateAccountMail(ctx.Context, ctx.User)
if err := ctx.Cache.Put("MailResendLimit_"+ctx.User.LowerName, ctx.User.LowerName, 180); err != nil {
log.Error(4, "Set cache(MailResendLimit) fail: %v", err)
}
}
} else {
ctx.Data["ServiceNotEnabled"] = true
}
ctx.HTML(200, TplActivate)
return
}
// Verify code.
if user := models.VerifyUserActiveCode(code); user != nil {
user.IsActive = true
var err error
if user.Rands, err = models.GetUserSalt(); err != nil {
ctx.Handle(500, "UpdateUser", err)
return
}
if err := models.UpdateUser(user); err != nil {
if models.IsErrUserNotExist(err) {
ctx.Error(404)
} else {
ctx.Handle(500, "UpdateUser", err)
}
return
}
log.Trace("User activated: %s", user.Name)
ctx.Session.Set("uid", user.ID)
ctx.Session.Set("uname", user.Name)
ctx.Redirect(setting.AppSubURL + "/")
return
}
ctx.Data["IsActivateFailed"] = true
ctx.HTML(200, TplActivate)
}
// ActivateEmail render the activate email page
func ActivateEmail(ctx *context.Context) {
code := ctx.Query("code")
emailStr := ctx.Query("email")
// Verify code.
if email := models.VerifyActiveEmailCode(code, emailStr); email != nil {
if err := email.Activate(); err != nil {
ctx.Handle(500, "ActivateEmail", err)
}
log.Trace("Email activated: %s", email.Email)
ctx.Flash.Success(ctx.Tr("settings.add_email_success"))
}
ctx.Redirect(setting.AppSubURL + "/user/settings/email")
return
}
// ForgotPasswd render the forget pasword page
func ForgotPasswd(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("auth.forgot_password")
if setting.MailService == nil {
ctx.Data["IsResetDisable"] = true
ctx.HTML(200, tplForgotPassword)
return
}
ctx.Data["IsResetRequest"] = true
ctx.HTML(200, tplForgotPassword)
}
// ForgotPasswdPost response for forget password request
func ForgotPasswdPost(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("auth.forgot_password")
if setting.MailService == nil {
ctx.Handle(403, "ForgotPasswdPost", nil)
return
}
ctx.Data["IsResetRequest"] = true
email := ctx.Query("email")
ctx.Data["Email"] = email
u, err := models.GetUserByEmail(email)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.Data["Hours"] = setting.Service.ActiveCodeLives / 60
ctx.Data["IsResetSent"] = true
ctx.HTML(200, tplForgotPassword)
return
}
ctx.Handle(500, "user.ResetPasswd(check existence)", err)
return
}
if !u.IsLocal() {
ctx.Data["Err_Email"] = true
ctx.RenderWithErr(ctx.Tr("auth.non_local_account"), tplForgotPassword, nil)
return
}
if ctx.Cache.IsExist("MailResendLimit_" + u.LowerName) {
ctx.Data["ResendLimited"] = true
ctx.HTML(200, tplForgotPassword)
return
}
models.SendResetPasswordMail(ctx.Context, u)
if err = ctx.Cache.Put("MailResendLimit_"+u.LowerName, u.LowerName, 180); err != nil {
log.Error(4, "Set cache(MailResendLimit) fail: %v", err)
}
ctx.Data["Hours"] = setting.Service.ActiveCodeLives / 60
ctx.Data["IsResetSent"] = true
ctx.HTML(200, tplForgotPassword)
}
// ResetPasswd render the reset password page
func ResetPasswd(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("auth.reset_password")
code := ctx.Query("code")
if len(code) == 0 {
ctx.Error(404)
return
}
ctx.Data["Code"] = code
ctx.Data["IsResetForm"] = true
ctx.HTML(200, tplResetPassword)
}
// ResetPasswdPost response from reset password request
func ResetPasswdPost(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("auth.reset_password")
code := ctx.Query("code")
if len(code) == 0 {
ctx.Error(404)
return
}
ctx.Data["Code"] = code
if u := models.VerifyUserActiveCode(code); u != nil {
// Validate password length.
passwd := ctx.Query("password")
if len(passwd) < setting.MinPasswordLength {
ctx.Data["IsResetForm"] = true
ctx.Data["Err_Password"] = true
ctx.RenderWithErr(ctx.Tr("auth.password_too_short", setting.MinPasswordLength), tplResetPassword, nil)
return
}
u.Passwd = passwd
var err error
if u.Rands, err = models.GetUserSalt(); err != nil {
ctx.Handle(500, "UpdateUser", err)
return
}
if u.Salt, err = models.GetUserSalt(); err != nil {
ctx.Handle(500, "UpdateUser", err)
return
}
u.EncodePasswd()
if err := models.UpdateUser(u); err != nil {
ctx.Handle(500, "UpdateUser", err)
return
}
log.Trace("User password reset: %s", u.Name)
ctx.Redirect(setting.AppSubURL + "/user/login")
return
}
ctx.Data["IsResetFailed"] = true
ctx.HTML(200, tplResetPassword)
}
|