/
admin_config.go
58 lines (49 loc) · 1.5 KB
/
admin_config.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
package config
import (
"fmt"
"os"
"strings"
"sync"
"github.com/google/uuid"
"golang.org/x/xerrors"
"github.com/saiya/dsps/server/domain"
)
// AdminConfig represents administration feature settings
type AdminConfig struct {
Auth AdminAuthConfig `json:"auth"`
}
// AdminAuthConfig represents auth settings of admin endpoints
type AdminAuthConfig struct {
Networks []domain.CIDR `json:"networks"`
BearerTokens []string `json:"bearer"`
}
func adminConfigDefault() *AdminConfig {
return &AdminConfig{
Auth: AdminAuthConfig{},
}
}
// PostprocessAdminConfig cleanups user supplied config object.
func PostprocessAdminConfig(config *AdminConfig) error {
if len(config.Auth.Networks) == 0 {
config.Auth.Networks = make([]domain.CIDR, len(domain.PrivateCIDRs))
copy(config.Auth.Networks, domain.PrivateCIDRs)
}
if len(config.Auth.BearerTokens) == 0 {
config.Auth.BearerTokens = []string{generateAdminAuthRandomToken()}
}
return nil
}
var adminAuthRandomTokenOnce sync.Once
var adminAuthRandomToken string
func generateAdminAuthRandomToken() string {
adminAuthRandomTokenOnce.Do(func() {
uuid, err := uuid.NewRandom()
if err != nil {
panic(xerrors.Errorf("failed to generate UUID for random token: %w", err))
}
adminAuthRandomToken = strings.ReplaceAll(uuid.String(), "-", "")
fmt.Fprintf(os.Stderr, `Generated random token for admin APIs: %s`+"\n", adminAuthRandomToken)
fmt.Fprintf(os.Stderr, `Set auth.tokens configuration to use fixed token.`+"\n")
})
return adminAuthRandomToken
}