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//opt/cloudlinux/venv/bin/clcpapi

#!/opt/cloudlinux/venv/bin/python3 -bb
# -*- coding: utf-8 -*-

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

"""
CloudLinux control panel API command line interface
"""

import argparse
import os
import pwd
from clcommon import cpapi
from clcommon.cloutput import prepare_data_json, prepare_attention_json
from clcommon.cpapi import cpapiexceptions

def cpapi_parser():

parser = argparse.ArgumentParser(description="%(prog)s - CloudLinux control panel API command line interface")
    parser.add_argument('-j', '--json', action='store_true', default=False, help='Output in json format')
    subparsers = parser.add_subparsers(dest='command')

docroot_parser = subparsers.add_parser('docroot')
    docroot_parser.add_argument('domain', help='Return document root for domain')

userdomains_parser = subparsers.add_parser('userdomains')
    userdomains_parser.add_argument('userdomains', help='Return domain and document root pairs for control panel user')

dblogin_cplogin_pairs_parser = subparsers.add_parser("dblogin_cplogin_pairs")
    dblogin_cplogin_pairs_parser.add_argument("--cplogin_lst", nargs="*",
                                  help="Return mapping for this system users")
    dblogin_cplogin_pairs_parser.add_argument("--with_system_users", action="store_true", default=False,
                                  help="Show system users in output")
    reseller_users = subparsers.add_parser("reseller-users",
                                  help="Show reseller users")
    reseller_users.add_argument(
        'resellername', type=str, nargs='?',
        help='Reseller name')
    return parser

def flat_plain(data, sep=' '):
    return '\n'.join([sep.join(tuple_) for tuple_ in data])

def _enforce_authorization(namespace):
    """
    clcpapi is world-executable (mode 755, not setuid) so it runs with the
    invoking user's privileges. root and panel admins keep unrestricted
    access; any other local caller may only read metadata it owns. Rejections
    raise CPAPIException (clear error, non-zero exit, no data leaked); the
    db->cp-user mapping is narrowed to the caller instead.
    """
    if os.getuid() == 0:
        return
    try:
        caller = pwd.getpwuid(os.getuid()).pw_name
    except KeyError as exc:
        # UID has no passwd entry (LDAP gap / orphaned UID): fail closed
        raise cpapiexceptions.NoPanelUser(
            f"Caller UID {os.getuid()} has no passwd entry; access denied") from exc
    if cpapi.is_admin(caller):
        return

if namespace.command == 'docroot':
        if cpapi.domain_owner(namespace.domain) != caller:
            raise cpapiexceptions.NoDomain(
                f"Can't obtain document root for domain '{namespace.domain}'")
    elif namespace.command == 'userdomains':
        if namespace.userdomains != caller:
            raise cpapiexceptions.NoPanelUser(
                f"Not authorized to list domains of user '{namespace.userdomains}'")
    elif namespace.command == 'reseller-users':
        if namespace.resellername != caller:
            raise cpapiexceptions.NoPanelUser(
                f"Not authorized to list users of reseller '{namespace.resellername}'")
    elif namespace.command == 'dblogin_cplogin_pairs':
        # restrict the mapping dump to the caller's own login
        namespace.cplogin_lst = [caller]

def main():
    parser = cpapi_parser()
    namespace = parser.parse_args()
    output_ = None
    exit_code = 0
    try:
        _enforce_authorization(namespace)
        if namespace.command == 'docroot':
            domain, user = cpapi.docroot(namespace.domain)
            if namespace.json:
                output_ = prepare_data_json({'domain': domain, 'user': user})
            else:
                output_ = domain + ' ' + user
        elif namespace.command == 'userdomains':
            domain_docroot_pairs = cpapi.userdomains(namespace.userdomains)
            if namespace.json:
                data = [{'domain': domain_docroot[0],
                         'docroot': domain_docroot[1]}
                        for domain_docroot in domain_docroot_pairs]
                output_ = prepare_data_json(data)
            else:
                output_ = flat_plain(domain_docroot_pairs)
        elif namespace.command == 'dblogin_cplogin_pairs':
            db_mapping = cpapi.dblogin_cplogin_pairs(namespace.cplogin_lst,
                                                     namespace.with_system_users)
            if namespace.json:
                output_ = prepare_data_json(db_mapping)
            else:
                output_ = flat_plain(db_mapping)
        elif namespace.command == 'reseller-users':
            users = cpapi.reseller_users(namespace.resellername)
            if namespace.json:
                output_ = prepare_data_json(users)
            else:
                output_ = '\n'.join(users)

except cpapiexceptions.CPAPIException as e_:
        exit_code = 1
        if namespace.json:
            output_ = prepare_attention_json(str(e_))
        else:
            output_ = 'ERROR: ' + str(e_)
    return output_, exit_code

if __name__ == '__main__':
    import sys
    output_, exit_code = main()
    if output_:
        print(output_)
    if exit_code:
        sys.exit(exit_code)