laravel-zero-credentials

Reusable base for storing CLI authentication credentials locally in JSON, with secure file permissions and a typed credentials contract.

Extracted from the bb-cli and jira-cli Laravel Zero tools, whose AuthService classes were ~90% identical. This package provides the shared persistence pipeline so each CLI only declares its own credential fields.

Why

Every CLI that authenticates against an API needs to:

• resolve the user's home directory across platforms,
• write credentials to ~/.<app>/config.json (or a custom/XDG path),
• create the directory 0700 and the file 0600,
• cache the loaded credentials in memory,
• validate stored data before trusting it.

This package does all of that. The CLI supplies only a typed DTO and two small methods.

Installation

composer require jeffersongoncalves/laravel-zero-credentials

Requires PHP ^8.2. No other dependencies.

Usage

1. Implement the credentials contract

use JeffersonGoncalves\LaravelZero\Credentials\CredentialsContract;

final class Credentials implements CredentialsContract
{
    public function __construct(
        public readonly string $username,
        public readonly string $apiToken,
    ) {}

    public static function fromArray(array $data): static
    {
        return new static(
            username: $data['username'] ?? '',
            apiToken: $data['api_token'] ?? '',
        );
    }

    public function toArray(): array
    {
        return ['username' => $this->username, 'api_token' => $this->apiToken];
    }

    public function isValid(): bool
    {
        return $this->username !== '' && $this->apiToken !== '';
    }
}

2. Extend the abstract auth service

use JeffersonGoncalves\LaravelZero\Credentials\AbstractAuthService;
use JeffersonGoncalves\LaravelZero\Credentials\CredentialsContract;

final class AuthService extends AbstractAuthService
{
    protected function appName(): string
    {
        return 'bb-cli'; // => ~/.bb-cli/config.json
    }

    protected function fromArray(array $data): CredentialsContract
    {
        return Credentials::fromArray($data);
    }
}

3. Use it

$auth = new AuthService;

$auth->save(new Credentials('alice', 'secret-token'));

$auth->isAuthenticated();          // true
$auth->load()->username;           // 'alice'
$auth->getConfigPath();            // /home/alice/.bb-cli/config.json

$auth->forget();                   // deletes the file

Guarding commands

use JeffersonGoncalves\LaravelZero\Credentials\AuthenticationException;

if (! $auth->isAuthenticated()) {
    throw new AuthenticationException("Run 'bb auth:save' first.");
}

Custom / XDG config directory

Override configDir() to change where credentials live (the default is ~/.<appName>):

protected function configDir(): string
{
    $base = getenv('XDG_CONFIG_HOME') ?: $this->getHomeDir().'/.config';

    return $base.'/bb-cli';
}

Public API

License

MIT