Implement XMPP relaying

core/clients/signalapi.py

@@ -0,0 +1,80 @@
+
+from rest_framework import status
+
+import requests
+from requests.exceptions import RequestException
+import orjson
+from django.conf import settings
+import aiohttp
+
+
+async def start_typing(uuid):
+    url = f"http://signal:8080/v1/typing_indicator/{settings.SIGNAL_NUMBER}"
+    data = {"recipient": uuid}
+
+    async with aiohttp.ClientSession() as session:
+        async with session.put(url, json=data) as response:
+            return await response.text()  # Optional: Return response content
+
+async def stop_typing(uuid):
+    url = f"http://signal:8080/v1/typing_indicator/{settings.SIGNAL_NUMBER}"
+    data = {"recipient": uuid}
+
+    async with aiohttp.ClientSession() as session:
+        async with session.delete(url, json=data) as response:
+            return await response.text()  # Optional: Return response content
+
+
+async def send_message_raw(recipient_uuid, text):
+
+    url = "http://signal:8080/v2/send"
+    data = {
+        "recipients": [recipient_uuid],
+        "message": text,
+        "number": settings.SIGNAL_NUMBER,
+    }
+
+    async with aiohttp.ClientSession() as session:
+        async with session.post(url, json=data) as response:
+            response_text = await response.text()
+            response_status = response.status
+
+            if response_status == status.HTTP_201_CREATED:
+                ts = orjson.loads(response_text).get("timestamp", None)
+                if not ts:
+                    return False
+                return ts
+            else:
+                return False
+            
+def send_message_raw_sync(recipient_uuid, text):
+    """
+    Sends a message using the Signal REST API in a synchronous manner.
+    
+    Args:
+        recipient_uuid (str): The UUID of the recipient.
+        text (str): The message to send.
+
+    Returns:
+        int | bool: Timestamp if successful, False otherwise.
+    """
+    url = "http://signal:8080/v2/send"
+    data = {
+        "recipients": [recipient_uuid],
+        "message": text,
+        "number": settings.SIGNAL_NUMBER,
+    }
+
+    try:
+        response = requests.post(url, json=data, timeout=10)  # 10s timeout for safety
+        response.raise_for_status()  # Raise an error for non-200 responses
+    except RequestException as e:
+        return False  # Network or request error
+
+    if response.status_code == status.HTTP_201_CREATED:  # Signal server returns 201 on success
+        try:
+            ts = orjson.loads(response.text).get("timestamp")
+            return ts if ts else False
+        except orjson.JSONDecodeError:
+            return False
+    return False  # If response status is not 201