Initial upload

app/jmap.py

@@ -0,0 +1,31 @@
+from typing import Any, Dict, List, Tuple
+import httpx
+from . import config
+
+def client() -> httpx.AsyncClient:
+    limits = httpx.Limits(max_connections=20, max_keepalive_connections=10)
+    return httpx.AsyncClient(timeout=config.UPSTREAM_TIMEOUT, limits=limits, trust_env=True)
+
+async def get_session(ac: httpx.AsyncClient, base: str, username: str, password: str) -> Dict[str, Any]:
+    r = await ac.get(base, auth=(username, password))
+    if r.status_code == 401:
+        raise PermissionError("Invalid credentials")
+    r.raise_for_status()
+    return r.json()
+
+async def call(ac: httpx.AsyncClient, api_url: str, auth: Tuple[str,str] | None, method_calls: List[list]) -> Dict[str, Any]:
+    payload = {
+        "using": [
+            "urn:ietf:params:jmap:core",
+            "urn:ietf:params:jmap:mail",
+            "urn:ietf:params:jmap:contacts",
+            "urn:ietf:params:jmap:calendars"
+        ],
+        "methodCalls": method_calls
+    }
+    kwargs: Dict[str, Any] = {"json": payload}
+    if auth:
+        kwargs["auth"] = auth
+    r = await ac.post(api_url, **kwargs)
+    r.raise_for_status()
+    return r.json()