/
user.go
204 lines (168 loc) · 5.16 KB
/
user.go
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
198
199
200
201
202
203
204
package sql
import (
"context"
"database/sql"
"errors"
"fmt"
"strings"
"github.com/PGSSoft/terraform-provider-mssql/internal/utils"
)
type UserType int
const (
USER_TYPE_UKNOWN UserType = 0
USER_TYPE_SQL UserType = iota
USER_TYPE_AZUREAD
)
type UserSettings struct {
Name string
LoginId LoginId
AADObjectId AADObjectId
Type UserType
}
type User interface {
GetId(context.Context) UserId
GetDatabaseId(context.Context) DatabaseId
GetSettings(context.Context) UserSettings
Drop(context.Context)
UpdateSettings(context.Context, UserSettings)
}
func CreateUser(ctx context.Context, db Database, settings UserSettings) User {
return WithConnection(ctx, db.connect, func(conn *sql.DB) User {
sqlStat := strings.Builder{}
switch settings.Type {
case USER_TYPE_SQL:
sqlStat.WriteString(fmt.Sprintf("CREATE USER [%s]", settings.Name))
loginName := GetSqlLogin(ctx, db.GetConnection(ctx), settings.LoginId).getName(ctx)
if utils.HasError(ctx) {
return nil
}
sqlStat.WriteString(fmt.Sprintf(" FOR LOGIN [%s]", loginName))
case USER_TYPE_AZUREAD:
sqlStat.WriteString(`
DECLARE @SQL NVARCHAR(MAX) = 'CREATE USER [' + @p1 + '] WITH SID=' + (SELECT CONVERT(VARCHAR(85), CONVERT(VARBINARY(85), CAST(@p2 AS UNIQUEIDENTIFIER), 1), 1)) + ', TYPE=E';
EXEC(@SQL)
`)
default:
utils.AddError(ctx, "Requested creation of unknown user type", fmt.Errorf("received unknown user type: %d", settings.Type))
return nil
}
if _, err := conn.ExecContext(ctx, sqlStat.String(), settings.Name, settings.AADObjectId); err != nil {
utils.AddError(ctx, "Failed to create user", err)
return nil
}
return GetUserByName(ctx, db, settings.Name)
})
}
func GetUser(_ context.Context, db Database, id UserId) User {
return user{db: db, id: id}
}
func GetUserByName(ctx context.Context, db Database, name string) User {
return WithConnection(ctx, db.connect, func(conn *sql.DB) User {
user := user{db: db}
id := sql.NullInt32{}
err := conn.QueryRowContext(ctx, "SELECT USER_ID(@p1)", name).Scan(&id)
if err != nil {
utils.AddError(ctx, "Failed to resolve user ID", err)
return nil
}
if !id.Valid {
utils.AddError(ctx, "User does not exist", errors.New("user does not exist"))
return nil
}
user.id = UserId(id.Int32)
return user
})
}
func GetUsers(ctx context.Context, db Database) map[UserId]User {
const errorSummary = "Failed to retrieve list of SQL users"
return WithConnection(ctx, db.connect, func(conn *sql.DB) map[UserId]User {
result := map[UserId]User{}
switch res, err := conn.QueryContext(ctx, "SELECT [principal_id] FROM sys.database_principals WHERE [type] IN ('S', 'E', 'X') AND [sid] IS NOT NULL"); err {
case sql.ErrNoRows: //ignore
case nil:
for res.Next() {
user := user{db: db}
err := res.Scan(&user.id)
if err != nil {
utils.AddError(ctx, errorSummary, err)
}
result[user.id] = user
}
default:
utils.AddError(ctx, errorSummary, err)
}
return result
})
}
type user struct {
db Database
id UserId
}
func (u user) GetId(context.Context) UserId {
return u.id
}
func (u user) GetDatabaseId(ctx context.Context) DatabaseId {
return u.db.GetId(ctx)
}
func (u user) GetSettings(ctx context.Context) UserSettings {
var settings UserSettings
return WithConnection(ctx, u.db.connect, func(conn *sql.DB) UserSettings {
var userType string
err := conn.QueryRowContext(ctx, "SELECT [name], CONVERT(VARCHAR(85), [sid], 1), [type], CONVERT(VARCHAR(36), CONVERT(UNIQUEIDENTIFIER, [sid], 1), 1) FROM sys.database_principals WHERE [principal_id]=@p1", u.id).
Scan(&settings.Name, &settings.LoginId, &userType, &settings.AADObjectId)
if err != nil {
utils.AddError(ctx, "Failed to retrieve user settings", err)
return settings
}
switch userType {
case "S":
settings.Type = USER_TYPE_SQL
settings.AADObjectId = ""
case "E":
fallthrough
case "X":
settings.Type = USER_TYPE_AZUREAD
default:
utils.AddError(ctx, "Unknown user type", fmt.Errorf("retrieved unknown user type: %s", userType))
}
return settings
})
}
func (u user) Drop(ctx context.Context) {
WithConnection(ctx, u.db.connect, func(conn *sql.DB) any {
name := u.getName(ctx, conn)
if utils.HasError(ctx) {
return nil
}
_, err := conn.ExecContext(ctx, fmt.Sprintf("DROP USER [%s]", name))
if err != nil {
utils.AddError(ctx, "Failed to drop user", err)
}
return nil
})
}
func (u user) UpdateSettings(ctx context.Context, settings UserSettings) {
WithConnection(ctx, u.db.connect, func(conn *sql.DB) any {
name := u.getName(ctx, conn)
if utils.HasError(ctx) {
return nil
}
loginName := GetSqlLogin(ctx, u.db.GetConnection(ctx), settings.LoginId).getName(ctx)
if utils.HasError(ctx) {
return nil
}
_, err := conn.ExecContext(ctx, fmt.Sprintf("ALTER USER [%s] WITH NAME=[%s], LOGIN=[%s]", name, settings.Name, loginName))
if err != nil {
utils.AddError(ctx, "Failed to update user", err)
}
return nil
})
}
func (u user) getName(ctx context.Context, conn *sql.DB) string {
var name string
err := conn.QueryRowContext(ctx, "SELECT USER_NAME(@p1)", u.id).Scan(&name)
if err != nil {
utils.AddError(ctx, "Failed to resolve user name", err)
}
return name
}