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# -*- coding: utf-8 -*-
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2025 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENCE.TXT
#
"""Library functions for executing commands inside CageFS for a site."""

import os
import pwd
import subprocess
from pathlib import Path
from typing import List

from clcommon import cpapi

from .jail_utils import get_website_id, get_user_var_cagefs_path


def enter_site(site: str, command: List[str]) -> int:
    """
    Execute a command inside CageFS for a site (document root or domain).
    User only! Inside cagefs only!

    :site:
        Document root or domain name
    :command:
        Command and arguments to execute

    Returns:
        int: Exit code from the executed command

    Raises:
        ValueError: If site cannot be resolved or isolation is not configured
    """
    # Resolve site to document root
    document_root = site
    if not document_root.startswith("/"):
        try:
            document_root = cpapi.docroot(site)[0]
        except cpapi.cpapiexceptions.NoDomain:
            raise ValueError(f"Domain {site} not found")

    if not os.path.exists(document_root):
        raise ValueError(f"Document root {document_root} does not exist")

    docroot_md5 = get_website_id(document_root)
    inside_cagefs_path = Path("/var/.cagefs/")
    if inside_cagefs_path.exists():
        # we are inside cagefs -> call proxyexec wrapper
        website_token_path = inside_cagefs_path / f"website/{docroot_md5}/.cagefs.token"

        if not website_token_path.exists():
            raise ValueError(f"Website {site} not found or isolation is not enabled")

        return subprocess.call(
            ["/bin/cagefs_enter.proxied", *command],
            env={**os.environ, "WEBSITE_TOKEN_PATH": website_token_path},
        )
    else:
        # we are outside cagefs -> a bit different path to token
        jail_path = Path(get_user_var_cagefs_path(pwd.getpwuid(os.getuid()).pw_name))
        website_token_path = jail_path / f".cagefs/website/{docroot_md5}/.cagefs.token"

        if not website_token_path.exists():
            raise ValueError(f"Website {site} not found or isolation is not enabled")

        return subprocess.call(
            ["/bin/cagefs_enter", *command],
            env={**os.environ, "WEBSITE_TOKEN_PATH": website_token_path},
        )
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