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- // Copyright 2021 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 (
- "encoding/binary"
- "fmt"
-
- "code.gitea.io/gitea/modules/json"
-
- "xorm.io/xorm"
- )
-
- func unwrapLDAPSourceCfg(x *xorm.Engine) error {
- jsonUnmarshalHandleDoubleEncode := func(bs []byte, v interface{}) error {
- err := json.Unmarshal(bs, v)
- if err != nil {
- ok := true
- rs := []byte{}
- temp := make([]byte, 2)
- for _, rn := range string(bs) {
- if rn > 0xffff {
- ok = false
- break
- }
- binary.LittleEndian.PutUint16(temp, uint16(rn))
- rs = append(rs, temp...)
- }
- if ok {
- if rs[0] == 0xff && rs[1] == 0xfe {
- rs = rs[2:]
- }
- err = json.Unmarshal(rs, v)
- }
- }
- if err != nil && len(bs) > 2 && bs[0] == 0xff && bs[1] == 0xfe {
- err = json.Unmarshal(bs[2:], v)
- }
- return err
- }
-
- // LoginSource represents an external way for authorizing users.
- type LoginSource struct {
- ID int64 `xorm:"pk autoincr"`
- Type int
- IsActived bool `xorm:"INDEX NOT NULL DEFAULT false"`
- IsActive bool `xorm:"INDEX NOT NULL DEFAULT false"`
- Cfg string `xorm:"TEXT"`
- }
-
- const ldapType = 2
- const dldapType = 5
-
- type WrappedSource struct {
- Source map[string]interface{}
- }
-
- // change lower_email as unique
- if err := x.Sync2(new(LoginSource)); err != nil {
- return err
- }
-
- sess := x.NewSession()
- defer sess.Close()
-
- const batchSize = 100
- for start := 0; ; start += batchSize {
- sources := make([]*LoginSource, 0, batchSize)
- if err := sess.Limit(batchSize, start).Where("`type` = ? OR `type` = ?", ldapType, dldapType).Find(&sources); err != nil {
- return err
- }
- if len(sources) == 0 {
- break
- }
-
- for _, source := range sources {
- wrapped := &WrappedSource{
- Source: map[string]interface{}{},
- }
- err := jsonUnmarshalHandleDoubleEncode([]byte(source.Cfg), &wrapped)
- if err != nil {
- return fmt.Errorf("failed to unmarshal %s: %w", string(source.Cfg), err)
- }
- if wrapped.Source != nil && len(wrapped.Source) > 0 {
- bs, err := json.Marshal(wrapped.Source)
- if err != nil {
- return err
- }
- source.Cfg = string(bs)
- if _, err := sess.ID(source.ID).Cols("cfg").Update(source); err != nil {
- return err
- }
- }
- }
- }
-
- if _, err := x.SetExpr("is_active", "is_actived").Update(&LoginSource{}); err != nil {
- return fmt.Errorf("SetExpr Update failed: %w", err)
- }
-
- if err := sess.Begin(); err != nil {
- return err
- }
- if err := dropTableColumns(sess, "login_source", "is_actived"); err != nil {
- return err
- }
-
- return sess.Commit()
- }
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