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mirror of https://github.com/checktheroads/hyperglass synced 2024-05-11 05:55:08 +00:00
2021-12-17 20:17:52 -07:00

99 lines
2.8 KiB
Python

"""Tasks to be executed from web API."""
# Standard Library
from typing import Dict, Union
from pathlib import Path
from datetime import datetime
# Third Party
from httpx import Headers
from starlette.requests import Request
# Project
from hyperglass.log import log
from hyperglass.state import use_state
from hyperglass.external import Webhook, bgptools
from hyperglass.models.api import Query
__all__ = (
"import_public_key",
"process_headers",
"send_webhook",
)
def import_public_key(app_path: Union[Path, str], device_name: str, keystring: str) -> bool:
"""Import a public key for hyperglass-agent."""
if not isinstance(app_path, Path):
app_path = Path(app_path)
cert_dir = app_path / "certs"
if not cert_dir.exists():
cert_dir.mkdir()
if not cert_dir.exists():
raise RuntimeError(f"Failed to create certs directory at {str(cert_dir)}")
filename = f"{device_name}.pem"
cert_file = cert_dir / filename
with cert_file.open("w+") as file:
file.write(str(keystring))
with cert_file.open("r") as file:
read_file = file.read().strip()
if not keystring == read_file:
raise RuntimeError("Wrote key, but written file did not match input key")
return True
async def process_headers(headers: Headers) -> Dict:
"""Filter out unwanted headers and return as a dictionary."""
headers = dict(headers)
header_keys = (
"user-agent",
"referer",
"accept-encoding",
"accept-language",
"x-real-ip",
"x-forwarded-for",
)
return {k: headers.get(k) for k in header_keys}
async def send_webhook(
query_data: Query,
request: Request,
timestamp: datetime,
):
"""If webhooks are enabled, get request info and send a webhook."""
params = use_state("params")
try:
if params.logging.http is not None:
headers = await process_headers(headers=request.headers)
if headers.get("x-real-ip") is not None:
host = headers["x-real-ip"]
elif headers.get("x-forwarded-for") is not None:
host = headers["x-forwarded-for"]
else:
host = request.client.host
network_info = await bgptools.network_info(host)
async with Webhook(params.logging.http) as hook:
await hook.send(
query={
**query_data.dict(),
"headers": headers,
"source": host,
"network": network_info.get(host, {}),
"timestamp": timestamp,
}
)
except Exception as err:
log.error("Error sending webhook to {}: {}", params.logging.http.provider, str(err))