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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
| "time" | ||
|
|
||
| "github.com/golang-jwt/jwt/v4" | ||
| ) | ||
|
|
||
| func main() { | ||
| // Define command-line flags | ||
| appID := flag.String("app-id", "", "GitHub App App ID") | ||
| privateKeyPath := flag.String("private-key-path", "", "Path to the GitHub App private key file") | ||
| expiryDuration := flag.Duration("expiry", 10*time.Minute, "JWT expiration duration (e.g., 10m, 1h)") | ||
|
|
||
| // Parse command-line flags | ||
| flag.Parse() | ||
|
|
||
| // Validate required flags | ||
| if *appID == "" || *privateKeyPath == "" { | ||
| log.Fatalf("Both app-id and private-key-path are required") | ||
| } | ||
|
|
||
| // Read the private key file | ||
| privateKeyData, err := ioutil.ReadFile(*privateKeyPath) | ||
| if err != nil { | ||
| log.Fatalf("Error reading private key file: %v", err) | ||
| } | ||
|
|
||
| // Parse the private key | ||
| privateKey, err := jwt.ParseRSAPrivateKeyFromPEM(privateKeyData) | ||
| if err != nil { | ||
| log.Fatalf("Error parsing private key: %v", err) | ||
| } | ||
|
|
||
| // Create the JWT claims | ||
| claims := jwt.MapClaims{ | ||
| "iat": time.Now().Unix(), // Issued at time | ||
| "exp": time.Now().Add(*expiryDuration).Unix(), // JWT expiration time | ||
| "iss": *appID, // GitHub App App ID | ||
| } | ||
|
|
||
| // Create the JWT | ||
| token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims) | ||
| jwtToken, err := token.SignedString(privateKey) | ||
| if err != nil { | ||
| log.Fatalf("Error signing JWT: %v", err) | ||
|
|
||
| } | ||
|
|
||
| // Output the JWT token | ||
| fmt.Print(jwtToken) | ||
| } | ||
