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89 lines
2.1 KiB
89 lines
2.1 KiB
// 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 migrations
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import (
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"crypto/sha256"
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"fmt"
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"code.gitea.io/gitea/modules/generate"
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"code.gitea.io/gitea/modules/timeutil"
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"golang.org/x/crypto/pbkdf2"
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"xorm.io/xorm"
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)
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func addScratchHash(x *xorm.Engine) error {
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// TwoFactor see models/twofactor.go
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type TwoFactor struct {
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ID int64 `xorm:"pk autoincr"`
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UID int64 `xorm:"UNIQUE"`
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Secret string
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ScratchToken string
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ScratchSalt string
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ScratchHash string
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LastUsedPasscode string `xorm:"VARCHAR(10)"`
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
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}
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if err := x.Sync2(new(TwoFactor)); err != nil {
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return fmt.Errorf("Sync2: %v", err)
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}
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sess := x.NewSession()
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defer sess.Close()
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if err := sess.Begin(); err != nil {
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return err
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}
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// transform all tokens to hashes
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const batchSize = 100
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for start := 0; ; start += batchSize {
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tfas := make([]*TwoFactor, 0, batchSize)
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if err := sess.Limit(batchSize, start).Find(&tfas); err != nil {
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return err
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}
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if len(tfas) == 0 {
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break
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}
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for _, tfa := range tfas {
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// generate salt
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salt, err := generate.GetRandomString(10)
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if err != nil {
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return err
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}
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tfa.ScratchSalt = salt
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tfa.ScratchHash = hashToken(tfa.ScratchToken, salt)
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if _, err := sess.ID(tfa.ID).Cols("scratch_salt, scratch_hash").Update(tfa); err != nil {
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return fmt.Errorf("couldn't add in scratch_hash and scratch_salt: %v", err)
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}
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}
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}
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// Commit and begin new transaction for dropping columns
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if err := sess.Commit(); err != nil {
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return err
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}
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if err := sess.Begin(); err != nil {
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return err
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}
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if err := dropTableColumns(sess, "two_factor", "scratch_token"); err != nil {
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return err
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}
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return sess.Commit()
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}
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func hashToken(token, salt string) string {
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tempHash := pbkdf2.Key([]byte(token), []byte(salt), 10000, 50, sha256.New)
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return fmt.Sprintf("%x", tempHash)
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}
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