Add web push

app/routers/push.py

@@ -0,0 +1,132 @@
+"""Web Push subscription management endpoints."""
+
+import logging
+
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel, Field
+
+from app.push.send import send_push
+from app.push.vapid import get_vapid_private_key, get_vapid_public_key
+from app.repository.push_subscriptions import PushSubscriptionRepository
+
+logger = logging.getLogger(__name__)
+
+router = APIRouter(prefix="/push", tags=["push"])
+
+
+# ── Request/response models ─────────────────────────────────────────────
+
+
+class VapidPublicKeyResponse(BaseModel):
+    public_key: str
+
+
+class PushSubscribeRequest(BaseModel):
+    endpoint: str = Field(min_length=1)
+    p256dh: str = Field(min_length=1)
+    auth: str = Field(min_length=1)
+    label: str = ""
+
+
+class PushSubscriptionUpdate(BaseModel):
+    label: str | None = None
+    filter_mode: str | None = None
+    filter_conversations: list[str] | None = None
+
+
+# ── Endpoints ────────────────────────────────────────────────────────────
+
+
+@router.get("/vapid-public-key", response_model=VapidPublicKeyResponse)
+async def vapid_public_key() -> VapidPublicKeyResponse:
+    """Return the VAPID public key for browser PushManager.subscribe()."""
+    key = get_vapid_public_key()
+    if not key:
+        raise HTTPException(status_code=503, detail="VAPID keys not initialized")
+    return VapidPublicKeyResponse(public_key=key)
+
+
+@router.post("/subscribe")
+async def subscribe(body: PushSubscribeRequest) -> dict:
+    """Register or update a push subscription. Upserts by endpoint."""
+    sub = await PushSubscriptionRepository.create(
+        endpoint=body.endpoint,
+        p256dh=body.p256dh,
+        auth=body.auth,
+        label=body.label,
+    )
+    return sub
+
+
+@router.get("/subscriptions")
+async def list_subscriptions() -> list[dict]:
+    """List all push subscriptions."""
+    return await PushSubscriptionRepository.get_all()
+
+
+@router.patch("/subscriptions/{subscription_id}")
+async def update_subscription(subscription_id: str, body: PushSubscriptionUpdate) -> dict:
+    """Update a subscription's label or filter preferences."""
+    existing = await PushSubscriptionRepository.get(subscription_id)
+    if not existing:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+
+    updates = {}
+    if body.label is not None:
+        updates["label"] = body.label
+    if body.filter_mode is not None:
+        if body.filter_mode not in ("all_messages", "all_dms", "selected"):
+            raise HTTPException(status_code=400, detail="Invalid filter_mode")
+        updates["filter_mode"] = body.filter_mode
+    if body.filter_conversations is not None:
+        updates["filter_conversations"] = body.filter_conversations
+
+    result = await PushSubscriptionRepository.update(subscription_id, **updates)
+    return result or existing
+
+
+@router.delete("/subscriptions/{subscription_id}")
+async def unsubscribe(subscription_id: str) -> dict:
+    """Delete a push subscription."""
+    deleted = await PushSubscriptionRepository.delete(subscription_id)
+    if not deleted:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+    return {"deleted": True}
+
+
+@router.post("/subscriptions/{subscription_id}/test")
+async def test_push(subscription_id: str) -> dict:
+    """Send a test notification to a subscription."""
+    sub = await PushSubscriptionRepository.get(subscription_id)
+    if not sub:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+
+    vapid_key = get_vapid_private_key()
+    if not vapid_key:
+        raise HTTPException(status_code=503, detail="VAPID keys not initialized")
+
+    import json
+
+    payload = json.dumps(
+        {
+            "title": "RemoteTerm Test",
+            "body": "Push notifications are working!",
+            "tag": "meshcore-test",
+            "url_hash": "",
+        }
+    )
+
+    try:
+        await send_push(
+            subscription_info={
+                "endpoint": sub["endpoint"],
+                "keys": {"p256dh": sub["p256dh"], "auth": sub["auth"]},
+            },
+            payload=payload,
+            vapid_private_key=vapid_key,
+            vapid_claims={"sub": "mailto:noreply@meshcore.local"},
+        )
+        return {"status": "sent"}
+    except Exception as e:
+        logger.warning("Test push failed: %s", e)
+        raise HTTPException(status_code=502, detail=f"Push delivery failed: {e}") from None