from flask import Flask, request, abort
import subprocess
import os

SECRET = os.environ.get("WEBHOOK_SECRET")
REPOSITORY = os.environ.get("GATEWAY_REPOSITORY_LOCATION")

app = Flask(__name__)

@app.route("/reload", methods=["POST"])
def reload():
    token = request.headers.get("X-Webhook-Token")
    if token != SECRET:
        abort(403)

    subprocess.run(
        ["git", "-C", REPOSITORY, "pull"],
        check=True
    )
    return "ok\n"

if __name__ == "__main__":
    app.run()