feat: add secret helper #6223
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,236 @@ | ||
| package main | ||
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| import ( | ||
| "bufio" | ||
| "crypto/rand" | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "errors" | ||
| "flag" | ||
| "fmt" | ||
| "io" | ||
| "log" | ||
| "net/http" | ||
| "net/url" | ||
| "os" | ||
| "strings" | ||
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| "golang.org/x/crypto/nacl/box" | ||
| ) | ||
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| type repoPublicKey struct { | ||
| ID string `json:"key_id"` | ||
| Key string `json:"key"` | ||
| } | ||
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| type secretPayload struct { | ||
| EncryptedValue string `json:"encrypted_value"` | ||
| KeyID string `json:"key_id"` | ||
| } | ||
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| func main() { | ||
| var ( | ||
| flagOwner = flag.String("owner", "", "GitHub repository owner or organization") | ||
| flagRepo = flag.String("repo", "", "GitHub repository name") | ||
| flagSecretName = flag.String("secret", "", "Secret name to create or update") | ||
| flagValue = flag.String("value", "", "Secret value (if empty, read from stdin)") | ||
| flagValueEnv = flag.String("value-from-env", "", "Environment variable to read secret value from") | ||
| flagAPIBase = flag.String("api-url", "", "GitHub API base URL (default: https://api.github.com or $GITHUB_API_URL)") | ||
| ) | ||
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| flag.Parse() | ||
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| if *flagOwner == "" || *flagRepo == "" || *flagSecretName == "" { | ||
| flag.Usage() | ||
| os.Exit(1) | ||
| } | ||
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| apiBase := resolveAPIBase(*flagAPIBase) | ||
| token, err := resolveToken() | ||
| if err != nil { | ||
| log.Fatalf("cannot resolve GitHub token: %v", err) | ||
| } | ||
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| secretValue, err := resolveSecretValue(*flagValueEnv, *flagValue) | ||
| if err != nil { | ||
| log.Fatalf("cannot resolve secret value: %v", err) | ||
| } | ||
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| if err := setRepoSecret(apiBase, token, *flagOwner, *flagRepo, *flagSecretName, secretValue); err != nil { | ||
| log.Fatalf("failed to set secret: %v", err) | ||
| } | ||
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| fmt.Printf("Secret %s updated for %s/%s\n", *flagSecretName, *flagOwner, *flagRepo) | ||
| } | ||
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| func resolveAPIBase(flagValue string) string { | ||
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| candidates := []string{ | ||
| strings.TrimSpace(flagValue), | ||
| strings.TrimSpace(os.Getenv("GITHUB_API_URL")), | ||
| } | ||
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| for _, c := range candidates { | ||
| if c != "" { | ||
| return strings.TrimRight(c, "/") | ||
| } | ||
| } | ||
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| return "https://api.github.com" | ||
| } | ||
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| func resolveToken() (string, error) { | ||
| for _, name := range []string{"GITHUB_TOKEN", "GH_TOKEN"} { | ||
| if v := strings.TrimSpace(os.Getenv(name)); v != "" { | ||
| return v, nil | ||
| } | ||
| } | ||
| return "", errors.New("no token found; set GITHUB_TOKEN or GH_TOKEN") | ||
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| } | ||
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| func resolveSecretValue(fromEnv, fromFlag string) (string, error) { | ||
| if fromEnv != "" { | ||
| v := os.Getenv(fromEnv) | ||
| if v == "" { | ||
| return "", fmt.Errorf("environment variable %s is not set or empty", fromEnv) | ||
| } | ||
| return v, nil | ||
| } | ||
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| if fromFlag != "" { | ||
| return fromFlag, nil | ||
| } | ||
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| info, err := os.Stdin.Stat() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| if info.Mode()&os.ModeCharDevice != 0 { | ||
| fmt.Fprintln(os.Stderr, "Enter secret value, then press Ctrl+D:") | ||
| } | ||
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| reader := bufio.NewReader(os.Stdin) | ||
| var b strings.Builder | ||
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| for { | ||
| line, err := reader.ReadString('\n') | ||
| b.WriteString(line) | ||
| if err != nil { | ||
| if errors.Is(err, io.EOF) { | ||
| break | ||
| } | ||
| return "", err | ||
| } | ||
| } | ||
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| value := strings.TrimRight(b.String(), "\r\n") | ||
| if value == "" { | ||
| return "", errors.New("secret value is empty") | ||
| } | ||
| return value, nil | ||
| } | ||
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| func setRepoSecret(apiBase, token, owner, repo, name, value string) error { | ||
| pubKey, err := getRepoPublicKey(apiBase, token, owner, repo) | ||
| if err != nil { | ||
| return fmt.Errorf("get repo public key: %w", err) | ||
| } | ||
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| encrypted, err := encryptWithPublicKey(pubKey.Key, value) | ||
| if err != nil { | ||
| return fmt.Errorf("encrypt secret: %w", err) | ||
| } | ||
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| return putRepoSecret(apiBase, token, owner, repo, name, pubKey.ID, encrypted) | ||
| } | ||
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| func getRepoPublicKey(apiBase, token, owner, repo string) (*repoPublicKey, error) { | ||
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| endpoint := fmt.Sprintf("%s/repos/%s/%s/actions/secrets/public-key", apiBase, owner, repo) | ||
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| req, err := http.NewRequest(http.MethodGet, endpoint, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| addGitHubHeaders(req, token) | ||
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| resp, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer resp.Body.Close() | ||
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| if resp.StatusCode != http.StatusOK { | ||
| body, _ := io.ReadAll(resp.Body) | ||
| return nil, fmt.Errorf("GitHub API %s: %s", resp.Status, string(body)) | ||
| } | ||
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| var key repoPublicKey | ||
| if err := json.NewDecoder(resp.Body).Decode(&key); err != nil { | ||
| return nil, err | ||
| } | ||
| if key.ID == "" || key.Key == "" { | ||
| return nil, errors.New("public key response missing key_id or key") | ||
| } | ||
| return &key, nil | ||
| } | ||
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| func encryptWithPublicKey(publicKeyB64, plaintext string) (string, error) { | ||
| raw, err := base64.StdEncoding.DecodeString(publicKeyB64) | ||
| if err != nil { | ||
| return "", fmt.Errorf("decode public key: %w", err) | ||
| } | ||
| if len(raw) != 32 { | ||
| return "", fmt.Errorf("unexpected public key length: %d", len(raw)) | ||
| } | ||
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| var pk [32]byte | ||
| copy(pk[:], raw) | ||
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| ciphertext, err := box.SealAnonymous(nil, []byte(plaintext), &pk, rand.Reader) | ||
| if err != nil { | ||
| return "", fmt.Errorf("nacl encryption failed: %w", err) | ||
| } | ||
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| return base64.StdEncoding.EncodeToString(ciphertext), nil | ||
| } | ||
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| func putRepoSecret(apiBase, token, owner, repo, name, keyID, encryptedValue string) error { | ||
| endpoint := fmt.Sprintf("%s/repos/%s/%s/actions/secrets/%s", | ||
| apiBase, owner, repo, url.PathEscape(name)) | ||
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| body, err := json.Marshal(secretPayload{ | ||
| EncryptedValue: encryptedValue, | ||
| KeyID: keyID, | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| req, err := http.NewRequest(http.MethodPut, endpoint, strings.NewReader(string(body))) | ||
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mnkiefer marked this conversation as resolved.
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| if err != nil { | ||
| return err | ||
| } | ||
| addGitHubHeaders(req, token) | ||
| req.Header.Set("Content-Type", "application/json") | ||
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| resp, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
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| if resp.StatusCode != http.StatusNoContent && resp.StatusCode != http.StatusCreated { | ||
| b, _ := io.ReadAll(resp.Body) | ||
| return fmt.Errorf("GitHub API %s: %s", resp.Status, string(b)) | ||
| } | ||
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| return nil | ||
| } | ||
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| func addGitHubHeaders(req *http.Request, token string) { | ||
| req.Header.Set("Accept", "application/vnd.github+json") | ||
| req.Header.Set("Authorization", "Bearer "+token) | ||
| if req.Header.Get("X-GitHub-Api-Version") == "" { | ||
| req.Header.Set("X-GitHub-Api-Version", "2022-11-28") | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package cli | ||
|
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| import ( | ||
| "github.com/githubnext/gh-aw/pkg/logger" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
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| var tokensCommandLog = logger.New("cli:tokens") | ||
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| // NewTokensCommand creates the main tokens command with subcommands | ||
| func NewTokensCommand() *cobra.Command { | ||
| tokensCommandLog.Print("Creating tokens command with subcommands") | ||
| cmd := &cobra.Command{ | ||
| Use: "tokens", | ||
| Short: "Inspect and bootstrap GitHub tokens for gh-aw", | ||
| Long: `Token utilities for GitHub Agentic Workflows. | ||
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| Use this command to check which recommended secrets are configured | ||
| for the current repository and to see how to create them with | ||
| minimum required permissions.`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return cmd.Help() | ||
| }, | ||
| } | ||
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| // Add subcommands | ||
| cmd.AddCommand(NewTokensBootstrapSubcommand()) | ||
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| return cmd | ||
| } |
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