-
Notifications
You must be signed in to change notification settings - Fork 2
/
main.go
109 lines (93 loc) · 2.67 KB
/
main.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
package main
import (
"fmt"
"os"
"flag"
"time"
"crypto/rand"
"github.com/go-chi/jwtauth"
"github.com/scrapbird/sinkholed/internal/config"
)
func printHelp() {
fmt.Println("Usage of " + os.Args[0] + ":")
fmt.Println(os.Args[0] + "<command> [<args>]\n")
fmt.Printf("Subcommands:\n gensecret\n genjwt\n")
}
func generateRandomString(length int) (string, error) {
const runes = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
bytes := make([]byte, length)
_, err := rand.Read(bytes)
if err != nil {
return "", err
}
for i, b := range bytes {
bytes[i] = runes[b%byte(len(runes))]
}
return string(bytes), nil
}
func gensecret(length int) int {
secret, err := generateRandomString(length)
if err != nil {
fmt.Println("Failed to generate random string", err)
return 1
}
fmt.Println(secret)
return 0
}
func genjwt(configPath string, expiryDays int) int {
// Initialize config
cfg, err := config.InitConfig(configPath, true)
if err != nil {
fmt.Println("Configuration error", err)
return 1
}
if cfg.JwtSecret == "" {
fmt.Println("Please set SINKHOLED_JWTSECRET in your environment")
return 1
}
jti, err := generateRandomString(16)
if err != nil {
fmt.Println("Failed to generate random string for jti")
return 1
}
var claims jwtauth.Claims
if expiryDays == 0 {
claims = jwtauth.Claims{
"jti": jti,
}
} else {
claims = jwtauth.Claims{
"exp": time.Now().AddDate(0, 0, expiryDays).Unix(),
"jti": jti,
}
}
_, tokenString, _ := cfg.JwtAuth.Encode(claims)
fmt.Println(tokenString)
return 0
}
func main() {
// // Parse command line arguments
gensecretCommand := flag.NewFlagSet("gensecret", flag.ExitOnError)
secretSizeFlag := gensecretCommand.Int("length", 64, "Length of the JWT secret")
genjwtCommand := flag.NewFlagSet("genjwt", flag.ExitOnError)
expiryTimeFlag := genjwtCommand.Int("length", 0, "Number of days until the JWT expires, 0 for never")
configFlag := genjwtCommand.String("config", "/etc/sinkholed/sinkholed.yml", "sinkholed config file")
if len(os.Args) < 2 {
printHelp()
os.Exit(1)
}
switch os.Args[1] {
case "-h":
printHelp()
os.Exit(0)
case "gensecret":
gensecretCommand.Parse(os.Args[2:])
os.Exit(gensecret(*secretSizeFlag))
case "genjwt":
genjwtCommand.Parse(os.Args[2:])
os.Exit(genjwt(*configFlag, *expiryTimeFlag))
default:
printHelp()
os.Exit(2)
}
}