forgejo/models/migrations/v1_9/v85.go

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// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
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package v1_9 //nolint
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import (
"fmt"
"code.gitea.io/gitea/models/migrations/base"
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"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
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"xorm.io/xorm"
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)
func HashAppToken(x *xorm.Engine) error {
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// AccessToken see models/token.go
type AccessToken struct {
ID int64 `xorm:"pk autoincr"`
UID int64 `xorm:"INDEX"`
Name string
Sha1 string
Token string `xorm:"-"`
TokenHash string // sha256 of token - we will ensure UNIQUE later
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TokenSalt string
TokenLastEight string `xorm:"token_last_eight"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
HasRecentActivity bool `xorm:"-"`
HasUsed bool `xorm:"-"`
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}
// First remove the index
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if err := sess.Sync(new(AccessToken)); err != nil {
return fmt.Errorf("Sync: %w", err)
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}
if err := sess.Commit(); err != nil {
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return err
}
if err := sess.Begin(); err != nil {
return err
}
// transform all tokens to hashes
const batchSize = 100
for start := 0; ; start += batchSize {
tokens := make([]*AccessToken, 0, batchSize)
if err := sess.Limit(batchSize, start).Find(&tokens); err != nil {
return err
}
if len(tokens) == 0 {
break
}
for _, token := range tokens {
// generate salt
salt, err := util.CryptoRandomString(10)
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if err != nil {
return err
}
token.TokenSalt = salt
token.TokenHash = base.HashToken(token.Sha1, salt)
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if len(token.Sha1) < 8 {
log.Warn("Unable to transform token %s with name %s belonging to user ID %d, skipping transformation", token.Sha1, token.Name, token.UID)
continue
}
token.TokenLastEight = token.Sha1[len(token.Sha1)-8:]
token.Sha1 = "" // ensure to blank out column in case drop column doesn't work
if _, err := sess.ID(token.ID).Cols("token_hash, token_salt, token_last_eight, sha1").Update(token); err != nil {
return fmt.Errorf("couldn't add in sha1, token_hash, token_salt and token_last_eight: %w", err)
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}
}
}
// 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 := base.DropTableColumns(sess, "access_token", "sha1"); err != nil {
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return err
}
if err := sess.Commit(); err != nil {
return err
}
return resyncHashAppTokenWithUniqueHash(x)
}
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func resyncHashAppTokenWithUniqueHash(x *xorm.Engine) error {
// AccessToken see models/token.go
type AccessToken struct {
TokenHash string `xorm:"UNIQUE"` // sha256 of token - we will ensure UNIQUE later
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if err := sess.Sync(new(AccessToken)); err != nil {
return fmt.Errorf("Sync: %w", err)
}
return sess.Commit()
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}