README

Generic web/REST adapter for the laravel-bootdesk multi-platform messaging framework.

Install

composer require bootdesk/chat-sdk-adapter-web

Configuration

use BootDesk\ChatSDK\Web\WebAdapter;
use BootDesk\ChatSDK\Web\WebAdapterConfig;
use BootDesk\ChatSDK\Core\Contracts\BroadcastAdapter;
use Psr\Http\Message\ServerRequestInterface;

class MyAppWebConfig extends WebAdapterConfig
{
    public function getUser(ServerRequestInterface $request): ?array
    {
        return auth()->user()
            ? ['id' => (string) auth()->id(), 'name' => auth()->user()?->name]
            : null;
    }

    public function verifySignature(ServerRequestInterface $request): bool|string
    {
        $signature = $request->getHeaderLine('X-Signature');
        $payload = (string) $request->getBody();
        $expected = 'sha256=' . hash_hmac('sha256', $payload, config('app.webhook_secret'));
        return hash_equals($expected, $signature) ? true : 'Invalid signature';
    }
}

$adapter = new WebAdapter(
    userName: env('WEB_USER_NAME', 'Bot'),
    config: new MyAppWebConfig,
    broadcaster: $broadcaster,  // Optional: BroadcastAdapter instance
    asyncMode: true,             // Optional: Enable async broadcasting
);

Laravel config (config/chat.php):

'web' => [
    'user_name' => env('BOT_USERNAME', 'Bot'),
    'config' => App\Chat\WebAdapterConfig::class,  // extends BootDesk\ChatSDK\Web\WebAdapterConfig
    'broadcaster' => fn () => app(BroadcastAdapter::class),
    'async_mode' => env('CHAT_WEB_ASYNC_MODE', false),
],

The verifySignature() method receives the PSR-7 request and must return true for valid, or an error message string for invalid. Called before user auth.

Quick Example

// Post a message in a web session
$adapter->postMessage('web:session-abc123', 'Hello from laravel-bootdesk!');

// Handle incoming webhook
// POST body: {"text": "Hi", "userId": "user-1", "sessionId": "session-abc123"}

Thread ID Format

Format	Description
`web:{userId}:{conversationId}`	User-conversation threading

Webhook

Accepts POST requests with a JSON body:

{
  "id": "optional-conversation-id",
  "messages": [
    {
      "role": "user",
      "id": "msg-1",
      "text": "Hello",
      "attachments": [
        {"url": "https://example.com/file.pdf", "name": "Document", "type": "file"}
      ]
    }
  ]
}

Authentication via $getUser closure — receives PSR-7 ServerRequestInterface, must return ['id' => string, 'name' => ?string] or null for 401.

Feature Matrix

Feature	Supported
Post messages	✓
Edit messages	✓
Delete messages	✓
Reactions	✓
Typing indicator	✓
Fetch messages	✓
Fetch thread info	✓
Fetch channel info	✗
Get user	✗
Open DM	✓
Stream	✓
Broadcasting	✓

Broadcasting

WebAdapter supports real-time event broadcasting via BroadcastAdapter:

use BootDesk\ChatSDK\Core\Contracts\BroadcastAdapter;

$broadcaster = app(BroadcastAdapter::class);

$adapter = new WebAdapter(
    userName: 'Bot',
    config: new MyAppWebConfig,
    broadcaster: $broadcaster,
    asyncMode: true,  // Broadcast immediately; sync mode accumulates events
);

Broadcast events: MessagePostedEvent, MessageEditedEvent, MessageDeletedEvent, ReactionAddedEvent, ReactionRemovedEvent, TypingStartedEvent, StreamingChunkEvent, DirectMessageRequestedEvent.

User-specific broadcasts (DMs, typing in DMs, streaming) use broadcastToUser() with PrivateChannel. Thread events use broadcast() with public Channel.

Notes

Generic adapter for web/REST integrations. Responses returned via createResponse() as JSON: {id, role: "assistant", text, events: []}.

Documentation

Full API documentation: https://bootdesk.github.io/chat-sdk

License

MIT

bootdesk / chat-sdk-adapter-web

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