137 lines
3.5 KiB
Go
137 lines
3.5 KiB
Go
// Copyright 2017 The Gitea 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 auth
|
|
|
|
import (
|
|
"errors"
|
|
"net/http"
|
|
|
|
"code.gitea.io/gitea/models/auth"
|
|
user_model "code.gitea.io/gitea/models/user"
|
|
"code.gitea.io/gitea/modules/base"
|
|
"code.gitea.io/gitea/modules/context"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/web"
|
|
"code.gitea.io/gitea/services/externalaccount"
|
|
|
|
"github.com/tstranex/u2f"
|
|
)
|
|
|
|
var tplU2F base.TplName = "user/auth/u2f"
|
|
|
|
// U2F shows the U2F login page
|
|
func U2F(ctx *context.Context) {
|
|
ctx.Data["Title"] = ctx.Tr("twofa")
|
|
ctx.Data["RequireU2F"] = true
|
|
// Check auto-login.
|
|
if checkAutoLogin(ctx) {
|
|
return
|
|
}
|
|
|
|
// Ensure user is in a 2FA session.
|
|
if ctx.Session.Get("twofaUid") == nil {
|
|
ctx.ServerError("UserSignIn", errors.New("not in U2F session"))
|
|
return
|
|
}
|
|
|
|
// See whether TOTP is also available.
|
|
if ctx.Session.Get("totpEnrolled") != nil {
|
|
ctx.Data["TOTPEnrolled"] = true
|
|
}
|
|
|
|
ctx.HTML(http.StatusOK, tplU2F)
|
|
}
|
|
|
|
// U2FChallenge submits a sign challenge to the browser
|
|
func U2FChallenge(ctx *context.Context) {
|
|
// Ensure user is in a U2F session.
|
|
idSess := ctx.Session.Get("twofaUid")
|
|
if idSess == nil {
|
|
ctx.ServerError("UserSignIn", errors.New("not in U2F session"))
|
|
return
|
|
}
|
|
id := idSess.(int64)
|
|
regs, err := auth.GetU2FRegistrationsByUID(id)
|
|
if err != nil {
|
|
ctx.ServerError("UserSignIn", err)
|
|
return
|
|
}
|
|
if len(regs) == 0 {
|
|
ctx.ServerError("UserSignIn", errors.New("no device registered"))
|
|
return
|
|
}
|
|
challenge, err := u2f.NewChallenge(setting.U2F.AppID, setting.U2F.TrustedFacets)
|
|
if err != nil {
|
|
ctx.ServerError("u2f.NewChallenge", err)
|
|
return
|
|
}
|
|
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(http.StatusOK, challenge.SignRequest(regs.ToRegistrations()))
|
|
}
|
|
|
|
// U2FSign authenticates the user by signResp
|
|
func U2FSign(ctx *context.Context) {
|
|
signResp := web.GetForm(ctx).(*u2f.SignResponse)
|
|
challSess := ctx.Session.Get("u2fChallenge")
|
|
idSess := ctx.Session.Get("twofaUid")
|
|
if challSess == nil || idSess == nil {
|
|
ctx.ServerError("UserSignIn", errors.New("not in U2F session"))
|
|
return
|
|
}
|
|
challenge := challSess.(*u2f.Challenge)
|
|
id := idSess.(int64)
|
|
regs, err := auth.GetU2FRegistrationsByUID(id)
|
|
if err != nil {
|
|
ctx.ServerError("UserSignIn", err)
|
|
return
|
|
}
|
|
for _, reg := range regs {
|
|
r, err := reg.Parse()
|
|
if err != nil {
|
|
log.Error("parsing u2f registration: %v", err)
|
|
continue
|
|
}
|
|
newCounter, authErr := r.Authenticate(*signResp, *challenge, reg.Counter)
|
|
if authErr == nil {
|
|
reg.Counter = newCounter
|
|
user, err := user_model.GetUserByID(id)
|
|
if err != nil {
|
|
ctx.ServerError("UserSignIn", err)
|
|
return
|
|
}
|
|
remember := ctx.Session.Get("twofaRemember").(bool)
|
|
if err := reg.UpdateCounter(); err != nil {
|
|
ctx.ServerError("UserSignIn", err)
|
|
return
|
|
}
|
|
|
|
if ctx.Session.Get("linkAccount") != nil {
|
|
if err := externalaccount.LinkAccountFromStore(ctx.Session, user); err != nil {
|
|
ctx.ServerError("UserSignIn", err)
|
|
return
|
|
}
|
|
}
|
|
redirect := handleSignInFull(ctx, user, remember, false)
|
|
if ctx.Written() {
|
|
return
|
|
}
|
|
if redirect == "" {
|
|
redirect = setting.AppSubURL + "/"
|
|
}
|
|
ctx.PlainText(http.StatusOK, redirect)
|
|
return
|
|
}
|
|
}
|
|
ctx.Error(http.StatusUnauthorized)
|
|
}
|