1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// Copyright 2020 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 (
"context"
"fmt"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
"xorm.io/xorm/schemas"
)
func setDefaultPasswordToArgon2(x *xorm.Engine) error {
switch {
case setting.Database.UseMySQL:
_, err := x.Exec("ALTER TABLE `user` ALTER passwd_hash_algo SET DEFAULT 'argon2';")
return err
case setting.Database.UsePostgreSQL:
_, err := x.Exec("ALTER TABLE `user` ALTER COLUMN passwd_hash_algo SET DEFAULT 'argon2';")
return err
case setting.Database.UseMSSQL:
// need to find the constraint and drop it, then recreate it.
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
res, err := sess.QueryString("SELECT [name] FROM sys.default_constraints WHERE parent_object_id=OBJECT_ID(?) AND COL_NAME(parent_object_id, parent_column_id)=?;", "user", "passwd_hash_algo")
if err != nil {
return err
}
if len(res) > 0 {
constraintName := res[0]["name"]
log.Error("Results of select constraint: %s", constraintName)
_, err := sess.Exec("ALTER TABLE [user] DROP CONSTRAINT " + constraintName)
if err != nil {
return err
}
_, err = sess.Exec("ALTER TABLE [user] ADD CONSTRAINT " + constraintName + " DEFAULT 'argon2' FOR passwd_hash_algo")
if err != nil {
return err
}
} else {
_, err := sess.Exec("ALTER TABLE [user] ADD DEFAULT('argon2') FOR passwd_hash_algo")
if err != nil {
return err
}
}
return sess.Commit()
case setting.Database.UseSQLite3:
// drop through
default:
log.Fatal("Unrecognized DB")
}
tables, err := x.DBMetas()
if err != nil {
return err
}
// Now for SQLite we have to recreate the table
var table *schemas.Table
tableName := "user"
for _, table = range tables {
if table.Name == tableName {
break
}
}
if table == nil || table.Name != tableName {
type User struct {
PasswdHashAlgo string `xorm:"NOT NULL DEFAULT 'argon2'"`
}
return x.Sync2(new(User))
}
column := table.GetColumn("passwd_hash_algo")
if column == nil {
type User struct {
PasswdHashAlgo string `xorm:"NOT NULL DEFAULT 'argon2'"`
}
return x.Sync2(new(User))
}
tempTableName := "tmp_recreate__user"
column.Default = "'argon2'"
createTableSQL, _, err := x.Dialect().CreateTableSQL(context.Background(), x.DB(), table, tempTableName)
if err != nil {
return err
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if _, err := sess.Exec(createTableSQL); err != nil {
log.Error("Unable to create table %s. Error: %v\n", tempTableName, err, createTableSQL)
return err
}
for _, index := range table.Indexes {
if _, err := sess.Exec(x.Dialect().CreateIndexSQL(tempTableName, index)); err != nil {
log.Error("Unable to create indexes on temporary table %s. Error: %v", tempTableName, err)
return err
}
}
newTableColumns := table.Columns()
if len(newTableColumns) == 0 {
return fmt.Errorf("no columns in new table")
}
hasID := false
for _, column := range newTableColumns {
hasID = hasID || (column.IsPrimaryKey && column.IsAutoIncrement)
}
sqlStringBuilder := &strings.Builder{}
_, _ = sqlStringBuilder.WriteString("INSERT INTO `")
_, _ = sqlStringBuilder.WriteString(tempTableName)
_, _ = sqlStringBuilder.WriteString("` (`")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
_, _ = sqlStringBuilder.WriteString("`")
for _, column := range newTableColumns[1:] {
_, _ = sqlStringBuilder.WriteString(", `")
_, _ = sqlStringBuilder.WriteString(column.Name)
_, _ = sqlStringBuilder.WriteString("`")
}
_, _ = sqlStringBuilder.WriteString(")")
_, _ = sqlStringBuilder.WriteString(" SELECT ")
if newTableColumns[0].Default != "" {
_, _ = sqlStringBuilder.WriteString("COALESCE(`")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
_, _ = sqlStringBuilder.WriteString("`, ")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Default)
_, _ = sqlStringBuilder.WriteString(")")
} else {
_, _ = sqlStringBuilder.WriteString("`")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
_, _ = sqlStringBuilder.WriteString("`")
}
for _, column := range newTableColumns[1:] {
if column.Default != "" {
_, _ = sqlStringBuilder.WriteString(", COALESCE(`")
_, _ = sqlStringBuilder.WriteString(column.Name)
_, _ = sqlStringBuilder.WriteString("`, ")
_, _ = sqlStringBuilder.WriteString(column.Default)
_, _ = sqlStringBuilder.WriteString(")")
} else {
_, _ = sqlStringBuilder.WriteString(", `")
_, _ = sqlStringBuilder.WriteString(column.Name)
_, _ = sqlStringBuilder.WriteString("`")
}
}
_, _ = sqlStringBuilder.WriteString(" FROM `")
_, _ = sqlStringBuilder.WriteString(tableName)
_, _ = sqlStringBuilder.WriteString("`")
if _, err := sess.Exec(sqlStringBuilder.String()); err != nil {
log.Error("Unable to set copy data in to temp table %s. Error: %v", tempTableName, err)
return err
}
// SQLite will drop all the constraints on the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
return err
}
for _, index := range table.Indexes {
if _, err := sess.Exec(x.Dialect().DropIndexSQL(tempTableName, index)); err != nil {
log.Error("Unable to drop indexes on temporary table %s. Error: %v", tempTableName, err)
return err
}
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
for _, index := range table.Indexes {
if _, err := sess.Exec(x.Dialect().CreateIndexSQL(tableName, index)); err != nil {
log.Error("Unable to recreate indexes on table %s. Error: %v", tableName, err)
return err
}
}
return sess.Commit()
}
|
