mirror of https://github.com/gogs/gogs.git
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright 2022 The Gogs 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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"github.com/pkg/errors"
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"gorm.io/gorm"
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"gogs.io/gogs/internal/cryptoutil"
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)
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func migrateAccessTokenToSHA256(db *gorm.DB) error {
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return db.Transaction(func(tx *gorm.DB) error {
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// 1. Add column without constraints because all rows have NULL values for the
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// "sha256" column.
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type accessToken struct {
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ID int64
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Sha1 string
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SHA256 string `gorm:"TYPE:VARCHAR(64)"`
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}
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err := tx.Migrator().AddColumn(&accessToken{}, "SHA256")
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if err != nil {
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return errors.Wrap(err, "add column")
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}
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// 2. Generate SHA256 for existing rows from their values in the "sha1" column.
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var accessTokens []*accessToken
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err = tx.Where("sha256 IS NULL").Find(&accessTokens).Error
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if err != nil {
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return errors.Wrap(err, "list")
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}
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for _, t := range accessTokens {
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sha256 := cryptoutil.SHA256(t.Sha1)
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err = tx.Model(&accessToken{}).Where("id = ?", t.ID).Update("sha256", sha256).Error
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if err != nil {
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return errors.Wrap(err, "update")
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}
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}
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// 3. We are now safe to apply constraints to the "sha256" column.
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type accessTokenWithConstraint struct {
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SHA256 string `gorm:"type:VARCHAR(64);unique;not null"`
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}
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err = tx.Table("access_token").AutoMigrate(&accessTokenWithConstraint{})
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if err != nil {
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return errors.Wrap(err, "auto migrate")
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}
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return nil
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})
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}
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