agent-claw: automated task changes

cdk/cdk.out/asset.9d7af346bbad17b4c228d09e33a602eedc03747fe1cec1c7c9b7c8723ce74e5d/handler.py

@@ -0,0 +1,96 @@
+import json
+import os
+import threading
+import urllib.request
+import urllib.parse
+import boto3
+
+# Cache bot token (fetched once at Lambda init)
+_bot_token: str | None = None
+_token_lock = threading.Lock()
+
+
+def get_bot_token() -> str:
+    global _bot_token
+    if _bot_token is None:
+        with _token_lock:
+            if _bot_token is None:
+                sm = boto3.client('secretsmanager')
+                _bot_token = sm.get_secret_value(
+                    SecretId=os.environ['TELEGRAM_BOT_TOKEN_SECRET_ARN']
+                )['SecretString']
+    return _bot_token
+
+
+def send_typing(chat_id: str) -> None:
+    """Fire-and-forget typing action (does not raise on failure)."""
+    try:
+        token = get_bot_token()
+        data = json.dumps({'chat_id': chat_id, 'action': 'typing'}).encode()
+        req = urllib.request.Request(
+            f'https://api.telegram.org/bot{token}/sendChatAction',
+            data=data,
+            headers={'Content-Type': 'application/json'},
+        )
+        urllib.request.urlopen(req, timeout=3)
+    except Exception:
+        pass  # typing is best-effort
+
+
+def handler(event, context):
+    # ── Validate Telegram webhook secret ──────────────────────────────────
+    expected_secret = os.environ.get('TELEGRAM_WEBHOOK_SECRET', '')
+    if expected_secret:
+        headers = event.get('headers') or {}
+        received = headers.get('x-telegram-bot-api-secret-token', '')
+        if received != expected_secret:
+            return {'statusCode': 403, 'body': 'Forbidden'}
+
+    # ── Parse Telegram Update ─────────────────────────────────────────────
+    try:
+        body = json.loads(event.get('body', '{}'))
+    except json.JSONDecodeError:
+        return {'statusCode': 400, 'body': 'Bad Request'}
+
+    update_id = body.get('update_id')
+
+    # Support regular messages and edited messages
+    message = body.get('message') or body.get('edited_message')
+    if not message:
+        # Not a message update (could be channel_post, callback_query, etc.)
+        return {'statusCode': 200, 'body': 'ok'}
+
+    chat_id = str(message.get('chat', {}).get('id', ''))
+    text = message.get('text', '')
+    from_user = message.get('from', {})
+    timestamp = message.get('date', 0)
+
+    if not chat_id or not text:
+        return {'statusCode': 200, 'body': 'ok'}
+
+    # ── Send typing action (non-blocking, background thread) ──────────────
+    t = threading.Thread(target=send_typing, args=(chat_id,))
+    t.daemon = True
+    t.start()
+
+    # ── Enqueue to SQS FIFO ───────────────────────────────────────────────
+    sqs = boto3.client('sqs')
+    sqs.send_message(
+        QueueUrl=os.environ['MESSAGE_QUEUE_URL'],
+        MessageGroupId=chat_id,
+        MessageDeduplicationId=str(update_id),
+        MessageBody=json.dumps({
+            'channel': 'telegram',
+            'chat_id': chat_id,
+            'messages': [{
+                'text': text,
+                'from_id': str(from_user.get('id', '')),
+                'from_username': from_user.get('username', ''),
+                'from_name': f"{from_user.get('first_name', '')} {from_user.get('last_name', '')}".strip(),
+            }],
+            'update_id': update_id,
+            'timestamp': timestamp,
+        }),
+    )
+
+    return {'statusCode': 200, 'body': 'ok'}

cdk/cdk.out/asset.9d7af346bbad17b4c228d09e33a602eedc03747fe1cec1c7c9b7c8723ce74e5d/requirements.txt

@@ -0,0 +1 @@
+boto3>=1.34.0