mirror of
https://github.com/go-gitea/gitea
synced 2024-12-23 00:54:28 +00:00
Switch plaintext scratch tokens to use hash instead (#4331)
This commit is contained in:
parent
ac968c3c6f
commit
adf3f004b6
@ -194,6 +194,8 @@ var migrations = []Migration{
|
||||
NewMigration("move team units to team_unit table", moveTeamUnitsToTeamUnitTable),
|
||||
// v70 -> v71
|
||||
NewMigration("add issue_dependencies", addIssueDependencies),
|
||||
// v70 -> v71
|
||||
NewMigration("protect each scratch token", addScratchHash),
|
||||
}
|
||||
|
||||
// Migrate database to current version
|
||||
|
88
models/migrations/v71.go
Normal file
88
models/migrations/v71.go
Normal file
@ -0,0 +1,88 @@
|
||||
// Copyright 2018 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 migrations
|
||||
|
||||
import (
|
||||
"crypto/sha256"
|
||||
"fmt"
|
||||
|
||||
"github.com/go-xorm/xorm"
|
||||
"golang.org/x/crypto/pbkdf2"
|
||||
|
||||
"code.gitea.io/gitea/modules/generate"
|
||||
"code.gitea.io/gitea/modules/util"
|
||||
)
|
||||
|
||||
func addScratchHash(x *xorm.Engine) error {
|
||||
// TwoFactor see models/twofactor.go
|
||||
type TwoFactor struct {
|
||||
ID int64 `xorm:"pk autoincr"`
|
||||
UID int64 `xorm:"UNIQUE"`
|
||||
Secret string
|
||||
ScratchToken string
|
||||
ScratchSalt string
|
||||
ScratchHash string
|
||||
LastUsedPasscode string `xorm:"VARCHAR(10)"`
|
||||
CreatedUnix util.TimeStamp `xorm:"INDEX created"`
|
||||
UpdatedUnix util.TimeStamp `xorm:"INDEX updated"`
|
||||
}
|
||||
|
||||
if err := x.Sync2(new(TwoFactor)); err != nil {
|
||||
return fmt.Errorf("Sync2: %v", err)
|
||||
}
|
||||
|
||||
sess := x.NewSession()
|
||||
defer sess.Close()
|
||||
|
||||
if err := sess.Begin(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// transform all tokens to hashes
|
||||
const batchSize = 100
|
||||
for start := 0; ; start += batchSize {
|
||||
tfas := make([]*TwoFactor, 0, batchSize)
|
||||
if err := x.Limit(batchSize, start).Find(&tfas); err != nil {
|
||||
return err
|
||||
}
|
||||
if len(tfas) == 0 {
|
||||
break
|
||||
}
|
||||
|
||||
for _, tfa := range tfas {
|
||||
// generate salt
|
||||
salt, err := generate.GetRandomString(10)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
tfa.ScratchSalt = salt
|
||||
tfa.ScratchHash = hashToken(tfa.ScratchToken, salt)
|
||||
|
||||
if _, err := sess.ID(tfa.ID).Cols("scratch_salt, scratch_hash").Update(tfa); err != nil {
|
||||
return fmt.Errorf("couldn't add in scratch_hash and scratch_salt: %v", err)
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// Commit and begin new transaction for dropping columns
|
||||
if err := sess.Commit(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := sess.Begin(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := dropTableColumns(sess, "two_factor", "scratch_token"); err != nil {
|
||||
return err
|
||||
}
|
||||
return sess.Commit()
|
||||
|
||||
}
|
||||
|
||||
func hashToken(token, salt string) string {
|
||||
tempHash := pbkdf2.Key([]byte(token), []byte(salt), 10000, 50, sha256.New)
|
||||
return fmt.Sprintf("%x", tempHash)
|
||||
}
|
@ -9,12 +9,15 @@ import (
|
||||
"crypto/cipher"
|
||||
"crypto/md5"
|
||||
"crypto/rand"
|
||||
"crypto/sha256"
|
||||
"crypto/subtle"
|
||||
"encoding/base64"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
|
||||
"github.com/pquerna/otp/totp"
|
||||
"golang.org/x/crypto/pbkdf2"
|
||||
|
||||
"code.gitea.io/gitea/modules/generate"
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
@ -26,20 +29,27 @@ type TwoFactor struct {
|
||||
ID int64 `xorm:"pk autoincr"`
|
||||
UID int64 `xorm:"UNIQUE"`
|
||||
Secret string
|
||||
ScratchToken string
|
||||
ScratchSalt string
|
||||
ScratchHash string
|
||||
LastUsedPasscode string `xorm:"VARCHAR(10)"`
|
||||
CreatedUnix util.TimeStamp `xorm:"INDEX created"`
|
||||
UpdatedUnix util.TimeStamp `xorm:"INDEX updated"`
|
||||
}
|
||||
|
||||
// GenerateScratchToken recreates the scratch token the user is using.
|
||||
func (t *TwoFactor) GenerateScratchToken() error {
|
||||
func (t *TwoFactor) GenerateScratchToken() (string, error) {
|
||||
token, err := generate.GetRandomString(8)
|
||||
if err != nil {
|
||||
return err
|
||||
return "", err
|
||||
}
|
||||
t.ScratchToken = token
|
||||
return nil
|
||||
t.ScratchSalt, _ = generate.GetRandomString(10)
|
||||
t.ScratchHash = hashToken(token, t.ScratchSalt)
|
||||
return token, nil
|
||||
}
|
||||
|
||||
func hashToken(token, salt string) string {
|
||||
tempHash := pbkdf2.Key([]byte(token), []byte(salt), 10000, 50, sha256.New)
|
||||
return fmt.Sprintf("%x", tempHash)
|
||||
}
|
||||
|
||||
// VerifyScratchToken verifies if the specified scratch token is valid.
|
||||
@ -47,7 +57,8 @@ func (t *TwoFactor) VerifyScratchToken(token string) bool {
|
||||
if len(token) == 0 {
|
||||
return false
|
||||
}
|
||||
return subtle.ConstantTimeCompare([]byte(token), []byte(t.ScratchToken)) == 1
|
||||
tempHash := hashToken(token, t.ScratchSalt)
|
||||
return subtle.ConstantTimeCompare([]byte(t.ScratchHash), []byte(tempHash)) == 1
|
||||
}
|
||||
|
||||
func (t *TwoFactor) getEncryptionKey() []byte {
|
||||
@ -118,7 +129,7 @@ func aesDecrypt(key, text []byte) ([]byte, error) {
|
||||
|
||||
// NewTwoFactor creates a new two-factor authentication token.
|
||||
func NewTwoFactor(t *TwoFactor) error {
|
||||
err := t.GenerateScratchToken()
|
||||
_, err := t.GenerateScratchToken()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
@ -306,7 +306,11 @@ func TwoFactorScratchPost(ctx *context.Context, form auth.TwoFactorScratchAuthFo
|
||||
// Validate the passcode with the stored TOTP secret.
|
||||
if twofa.VerifyScratchToken(form.Token) {
|
||||
// Invalidate the scratch token.
|
||||
twofa.ScratchToken = ""
|
||||
_, err = twofa.GenerateScratchToken()
|
||||
if err != nil {
|
||||
ctx.ServerError("UserSignIn", err)
|
||||
return
|
||||
}
|
||||
if err = models.UpdateTwoFactor(twofa); err != nil {
|
||||
ctx.ServerError("UserSignIn", err)
|
||||
return
|
||||
|
@ -32,7 +32,8 @@ func RegenerateScratchTwoFactor(ctx *context.Context) {
|
||||
return
|
||||
}
|
||||
|
||||
if err = t.GenerateScratchToken(); err != nil {
|
||||
token, err := t.GenerateScratchToken()
|
||||
if err != nil {
|
||||
ctx.ServerError("SettingsTwoFactor", err)
|
||||
return
|
||||
}
|
||||
@ -42,7 +43,7 @@ func RegenerateScratchTwoFactor(ctx *context.Context) {
|
||||
return
|
||||
}
|
||||
|
||||
ctx.Flash.Success(ctx.Tr("settings.twofa_scratch_token_regenerated", t.ScratchToken))
|
||||
ctx.Flash.Success(ctx.Tr("settings.twofa_scratch_token_regenerated", token))
|
||||
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
|
||||
}
|
||||
|
||||
@ -170,7 +171,7 @@ func EnrollTwoFactorPost(ctx *context.Context, form auth.TwoFactorAuthForm) {
|
||||
ctx.ServerError("SettingsTwoFactor", err)
|
||||
return
|
||||
}
|
||||
err = t.GenerateScratchToken()
|
||||
token, err := t.GenerateScratchToken()
|
||||
if err != nil {
|
||||
ctx.ServerError("SettingsTwoFactor", err)
|
||||
return
|
||||
@ -183,6 +184,6 @@ func EnrollTwoFactorPost(ctx *context.Context, form auth.TwoFactorAuthForm) {
|
||||
|
||||
ctx.Session.Delete("twofaSecret")
|
||||
ctx.Session.Delete("twofaUri")
|
||||
ctx.Flash.Success(ctx.Tr("settings.twofa_enrolled", t.ScratchToken))
|
||||
ctx.Flash.Success(ctx.Tr("settings.twofa_enrolled", token))
|
||||
ctx.Redirect(setting.AppSubURL + "/user/settings/security")
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user