API: Add request logging

Log all the parts of a request if the config flag is set. The logged
fields are all server side anyways, so nothing is being exposed to
clients.

Signed-off-by: kingbri <bdashore3@proton.me>

common/config.py

@@ -51,10 +51,7 @@ def from_args(args: dict):
         cur_logging_config = logging_config()
         GLOBAL_CONFIG["logging"] = {
             **cur_logging_config,
-            **{
-                k.replace("log_", ""): logging_override[k]
-                for k in logging_override
-            },
+            **{k.replace("log_", ""): logging_override[k] for k in logging_override},
         }
 
     developer_override = args.get("developer")

common/networking.py

@@ -1,9 +1,10 @@
 """Common utility functions"""
 
 import asyncio
+import json
 import socket
 import traceback
-from fastapi import HTTPException, Request
+from fastapi import Depends, HTTPException, Request
 from loguru import logger
 from pydantic import BaseModel
 from typing import Optional
@@ -108,3 +109,32 @@ async def add_request_id(request: Request):
 
     request.state.id = uuid4().hex
     return request
+
+
+async def log_request(request: Request):
+    """FastAPI depends to log a request to the user."""
+
+    log_message = [f"Information for {request.method} request {request.state.id}:"]
+
+    log_message.append(f"URL: {request.url}")
+    log_message.append(f"Headers: {dict(request.headers)}")
+
+    if request.method != "GET":
+        body_bytes = await request.body()
+        if body_bytes:
+            body = json.loads(body_bytes.decode("utf-8"))
+
+            log_message.append(f"Body: {dict(body)}")
+
+    logger.info("\n".join(log_message))
+
+
+def get_global_depends():
+    """Returns global dependencies for a FastAPI app."""
+
+    depends = [Depends(add_request_id)]
+
+    if config.logging_config().get("requests"):
+        depends.append(Depends(log_request))
+
+    return depends