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gigahub.py
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gigahub.py
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#!/usr/bin/env python3
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/
import hashlib
import json
import os
import random
import urllib.parse
import requests
GIGAHUB_URL = os.getenv("GIGAHUB_URL") or "http://192.168.2.1";
GUI_PASSWORD_SALT = ""
XMO_REQUEST_NO_ERR = 16777216
HEADERS = {
"Accept": "application/json, text/javascript, */*; q=0.01",
"Origin": GIGAHUB_URL,
"Referer": GIGAHUB_URL,
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36",
"X-Requested-With": "XMLHttpRequest",
}
def make_guest_cookies(*, request_id: int, session_id: int, device_nonce: str) -> dict:
ha1 = hash_sha512("guest" + ":" + device_nonce + ":" + hash_encoder_pass("guest", "")) # username:device_nonce:password
cookies = {
"bell_session": urllib.parse.quote_plus(
json.dumps(
{
"req_id": request_id + 1, # zero based for the request, 1 based here
"sess_id": "0" if session_id == 0 else session_id,
"basic": False,
"user": "guest",
"dataModel": {"name": "Internal", "nss": [{"name": "gtw", "uri": "http://sagemcom.com/gateway-data"}]},
"ha1": ha1[:10] + hash_encoder_pass("guest", "") + ha1[10:],
"nonce": device_nonce,
},
separators=(",", ":"),
)
)
}
return cookies
def make_request(*, id: int, session_id: int, priority: bool, actions: list[dict]):
return {
"request": {
"id": id,
"session-id": "0" if session_id == 0 else session_id,
"priority": priority,
"actions": actions,
}
}
def make_login_action(*, id: int, username: str):
return {
"id": id,
"method": "logIn",
"parameters": {
"user": username,
"persistent": "true",
"session-options": {
"nss": [{"name": "gtw", "uri": "http://sagemcom.com/gateway-data"}],
"context-flags": {"get-content-name": True, "local-time": True, "no-default": False},
"capability-depth": 2,
"capability-flags": {"name": True, "default-value": False, "restriction": True, "description": False},
"time-format": "ISO_8601",
"compatibility-flags": {"flags": True, "default-value": True, "type": True},
"depth": 2,
"write-only-string": "_XMO_WRITE_ONLY_",
"undefined-write-only-string": "_XMO_UNDEFINED_WRITE_ONLY_",
},
},
}
def hash_sha512(s: str) -> str:
return hashlib.sha512(s.encode()).hexdigest()
def hash_encoder_pass(username: str, password: str) -> str:
if GUI_PASSWORD_SALT:
return hash_sha512(password + ":" + GUI_PASSWORD_SALT)
return hash_sha512(password)
def sign_request(
*,
request: dict,
request_index: int,
username: str,
password: str | None,
device_nonce: str = "",
client_nonce: int | None = None,
) -> dict:
if client_nonce is None:
client_nonce = random.randint(0x100000, 0xFFFFFFFF)
h = hash_sha512(username + ":" + device_nonce + ":" + hash_encoder_pass(username, password))
auth_key = hash_sha512(h + ":" + str(request_index) + ":" + str(client_nonce) + ":" + "JSON:/cgi/json-req")
request["request"]["cnonce"] = client_nonce
request["request"]["auth-key"] = auth_key
return request
def open_session(*, endpoint: str = GIGAHUB_URL+"/cgi/json-req", username: str, password: str) -> tuple[dict, dict]:
login_request = make_request(id=0, session_id=0, priority=True, actions=[make_login_action(id=0, username=username)])
login_request = sign_request(request=login_request, request_index=0, username=username, password=password)
# Looks like the cookies are only there to save/restore state and are not checked on the server side.
# cookies = make_guest_cookies(
# request_id=0,
# session_id=0,
# device_nonce="",
# )
r = requests.post(endpoint, data={"req": json.dumps(login_request)}, headers=HEADERS) # , cookies=cookies)
r.raise_for_status()
reply = r.json()["reply"]
if reply["error"]["code"] != XMO_REQUEST_NO_ERR:
raise Exception(f'Unexpected error <{reply["error"]["code"]}>: <{reply["error"]["description"]}>')
session = {
"endpoint": endpoint,
"id": reply["actions"][0]["callbacks"][0]["parameters"]["id"],
"nonce": reply["actions"][0]["callbacks"][0]["parameters"]["nonce"],
"request_count": 1,
"username": username,
"password": password,
}
return session, reply
def open_guest_session(*, endpoint: str = GIGAHUB_URL+"/cgi/json-req"):
return open_session(endpoint=endpoint, username="guest", password="")
def send_session_request(*, session: dict, actions: list[dict]) -> tuple[dict, dict]:
request = make_request(id=session["request_count"], session_id=session["id"], priority=False, actions=actions)
request = sign_request(
request=request,
request_index=session["request_count"],
username=session["username"],
password=session["password"],
device_nonce=session["nonce"],
)
# Looks like the cookies are only there to save/restore state and are not checked on the server side.
# cookies = make_guest_cookies(
# request_id=session["request_count"],
# session_id=session["id"],
# device_nonce=session["nonce"],
# )
r = requests.post(session["endpoint"], data={"req": json.dumps(request)}, headers=HEADERS) # , cookies=cookies)
r.raise_for_status()
session["request_count"] += 1
reply = r.json()["reply"]
# if reply["error"]["code"] != XMO_REQUEST_NO_ERR:
# raise Exception(f'Unexpected error <{reply["error"]["code"]}>: <{reply["error"]["description"]}>')
return session, reply