from urllib.parse import urljoin

from aleksis.core.util.core_helpers import get_site_preferences


class MatrixException(Exception):
    pass


def build_url(path):
    return urljoin(
        urljoin(get_site_preferences()["matrix__homeserver"], "_matrix/client/v3/"), path
    )


def get_headers():
    return {
        "Authorization": "Bearer " + get_site_preferences()["matrix__access_token"],
    }