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// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_16 //nolint
import (
"encoding/binary"
"fmt"
"code.gitea.io/gitea/models/migrations/base"
"code.gitea.io/gitea/modules/json"
"xorm.io/xorm"
)
func UnwrapLDAPSourceCfg(x *xorm.Engine) error {
jsonUnmarshalHandleDoubleEncode := func(bs []byte, v any) 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]any
}
// change lower_email as unique
if err := x.Sync(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]any{},
}
err := jsonUnmarshalHandleDoubleEncode([]byte(source.Cfg), &wrapped)
if err != nil {
return fmt.Errorf("failed to unmarshal %s: %w", source.Cfg, err)
}
if 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 := base.DropTableColumns(sess, "login_source", "is_actived"); err != nil {
return err
}
return sess.Commit()
}
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