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Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
185 lines
5.2 KiB
Go
185 lines
5.2 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package v1_16 //nolint
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import (
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"crypto/elliptic"
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"encoding/base32"
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"fmt"
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"strings"
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"code.gitea.io/gitea/models/migrations/base"
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"code.gitea.io/gitea/modules/timeutil"
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"github.com/tstranex/u2f"
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"xorm.io/xorm"
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"xorm.io/xorm/schemas"
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)
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// v208 migration was completely broken
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func RemigrateU2FCredentials(x *xorm.Engine) error {
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// Create webauthnCredential table
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type webauthnCredential struct {
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ID int64 `xorm:"pk autoincr"`
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Name string
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LowerName string `xorm:"unique(s)"`
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UserID int64 `xorm:"INDEX unique(s)"`
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CredentialID string `xorm:"INDEX VARCHAR(410)"` // CredentalID in U2F is at most 255bytes / 5 * 8 = 408 - add a few extra characters for safety
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PublicKey []byte
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AttestationType string
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AAGUID []byte
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SignCount uint32 `xorm:"BIGINT"`
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CloneWarning bool
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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(&webauthnCredential{}); err != nil {
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return err
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}
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switch x.Dialect().URI().DBType {
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case schemas.MYSQL:
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_, err := x.Exec("ALTER TABLE webauthn_credential MODIFY COLUMN credential_id VARCHAR(410)")
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if err != nil {
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return err
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}
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case schemas.ORACLE:
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_, err := x.Exec("ALTER TABLE webauthn_credential MODIFY credential_id VARCHAR(410)")
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if err != nil {
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return err
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}
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case schemas.MSSQL:
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// This column has an index on it. I could write all of the code to attempt to change the index OR
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// I could just use recreate table.
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sess := x.NewSession()
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if err := sess.Begin(); err != nil {
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_ = sess.Close()
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return err
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}
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if err := base.RecreateTable(sess, new(webauthnCredential)); err != nil {
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_ = sess.Close()
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return err
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}
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if err := sess.Commit(); err != nil {
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_ = sess.Close()
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return err
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}
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if err := sess.Close(); err != nil {
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return err
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}
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case schemas.POSTGRES:
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_, err := x.Exec("ALTER TABLE webauthn_credential ALTER COLUMN credential_id TYPE VARCHAR(410)")
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if err != nil {
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return err
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}
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default:
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// SQLite doesn't support ALTER COLUMN, and it already makes String _TEXT_ by default so no migration needed
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// nor is there any need to re-migrate
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}
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exist, err := x.IsTableExist("u2f_registration")
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if err != nil {
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return err
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}
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if !exist {
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return nil
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}
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// Now migrate the old u2f registrations to the new format
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type u2fRegistration struct {
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ID int64 `xorm:"pk autoincr"`
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Name string
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UserID int64 `xorm:"INDEX"`
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Raw []byte
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Counter uint32 `xorm:"BIGINT"`
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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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var start int
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regs := make([]*u2fRegistration, 0, 50)
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for {
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err := x.OrderBy("id").Limit(50, start).Find(®s)
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if err != nil {
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return err
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}
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err = func() error {
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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 fmt.Errorf("unable to allow start session. Error: %w", err)
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}
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if x.Dialect().URI().DBType == schemas.MSSQL {
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if _, err := sess.Exec("SET IDENTITY_INSERT `webauthn_credential` ON"); err != nil {
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return fmt.Errorf("unable to allow identity insert on webauthn_credential. Error: %w", err)
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}
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}
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for _, reg := range regs {
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parsed := new(u2f.Registration)
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err = parsed.UnmarshalBinary(reg.Raw)
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if err != nil {
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continue
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}
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remigrated := &webauthnCredential{
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ID: reg.ID,
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Name: reg.Name,
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LowerName: strings.ToLower(reg.Name),
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UserID: reg.UserID,
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CredentialID: base32.HexEncoding.EncodeToString(parsed.KeyHandle),
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PublicKey: elliptic.Marshal(elliptic.P256(), parsed.PubKey.X, parsed.PubKey.Y),
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AttestationType: "fido-u2f",
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AAGUID: []byte{},
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SignCount: reg.Counter,
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UpdatedUnix: reg.UpdatedUnix,
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CreatedUnix: reg.CreatedUnix,
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}
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has, err := sess.ID(reg.ID).Get(new(webauthnCredential))
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if err != nil {
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return fmt.Errorf("unable to get webauthn_credential[%d]. Error: %w", reg.ID, err)
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}
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if !has {
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has, err := sess.Where("`lower_name`=?", remigrated.LowerName).And("`user_id`=?", remigrated.UserID).Exist(new(webauthnCredential))
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if err != nil {
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return fmt.Errorf("unable to check webauthn_credential[lower_name: %s, user_id: %d]. Error: %w", remigrated.LowerName, remigrated.UserID, err)
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}
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if !has {
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_, err = sess.Insert(remigrated)
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if err != nil {
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return fmt.Errorf("unable to (re)insert webauthn_credential[%d]. Error: %w", reg.ID, err)
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}
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continue
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}
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}
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_, err = sess.ID(remigrated.ID).AllCols().Update(remigrated)
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if err != nil {
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return fmt.Errorf("unable to update webauthn_credential[%d]. Error: %w", reg.ID, err)
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}
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}
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return sess.Commit()
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}()
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if err != nil {
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return err
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}
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if len(regs) < 50 {
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break
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}
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start += 50
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regs = regs[:0]
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}
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if x.Dialect().URI().DBType == schemas.POSTGRES {
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if _, err := x.Exec("SELECT setval('webauthn_credential_id_seq', COALESCE((SELECT MAX(id)+1 FROM `webauthn_credential`), 1), false)"); err != nil {
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return err
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}
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}
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return nil
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}
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