feat/process follow type

app/boxes.py

@@ -1,9 +1,26 @@
 #!/usr/bin/env python3
 from app import models
 from app.database import AsyncSession
+from app.activitypub import ME
 from loguru import logger
 from uuid import uuid4
+from app.config import MANUALLY_APPROVES_FOLLOWERS
+from app.config import AP_CONTENT_TYPE
+from app.config import BASE_URL
+from app.config import USER_AGENT
+from app.httpsig import auth
 
+import app.activitypub as ap
+import uuid
+import httpx
+
+
+def allocate_outbox_id() -> str:
+    return str(uuid.uuid4())
+
+
+def build_object_id(id) -> str:
+    return f"{BASE_URL}/tail/{id}"
 
 async def save_incoming(
         db_session: AsyncSession,
@@ -23,7 +40,63 @@ async def save_incoming(
         ap_id=ap_id,
         ap_object=payload,
     )
+    await process_incoming(db_session, payload)
     db_session.add(incoming_activity)
     await db_session.commit()
     await db_session.refresh(incoming_activity)
     return incoming_activity
+
+
+async def process_incoming(
+        db_session: AsyncSession,
+        ap_object: dict,
+) -> bool:
+
+    if "Follow" == ap_object["type"]:
+        await _handle_follow(db_session, ap_object)
+    return True
+
+
+async def _handle_follow(
+        db_session: AsyncSession,
+        ap_object: dict,
+) -> None:
+    if ME["id"] != ap_object["object"]:
+        # await db_session.delete(ap_object)
+        logger.warning("no match follow object!" + ap_object["object"])
+        return
+
+    if MANUALLY_APPROVES_FOLLOWERS:
+        # TODO
+        return
+
+    await _send_accept(db_session, ap_object)
+
+
+async def _send_accept(
+        db_session: AsyncSession,
+        ap_object: dict,
+) -> None :
+
+    reply_id = allocate_outbox_id()
+    out = {
+        "@context": ap.AS_CTX,
+        "id": build_object_id(reply_id),
+        "type": "Accept",
+        "actor": ME["id"],
+        "object": ap_object["id"],
+    }
+
+    async with httpx.AsyncClient() as client:
+        resp = await client.post(
+            ap_object["actor"] + "/inbox",
+            headers={
+                "User-Agent": USER_AGENT,
+                "Content-Type": AP_CONTENT_TYPE,
+            },
+            json=out,
+            auth=auth,
+        )
+
+    resp.raise_for_status()
+    logger.info(resp)

app/config.py

@@ -49,3 +49,5 @@ KEY_PATH = (ROOT_DIR / "data" / "key.pem")
 
 USER_AGENT = "Fediverse Application/Foxhole-0.0.1"
 AP_CONTENT_TYPE = "application/activity+json"
+
+MANUALLY_APPROVES_FOLLOWERS = CONFIG.manually_approves_followers