main.py

import argparse
import os, sys

from json import loads

from model.endpoint import Endpoint
from model.endpointgroup import EndpointGroup
from handler.isemanager import ISEManagerLight
from handler.requesthandler import FilterOperator

from pathlib import Path

"""
Author:         Gabriel Ben Abou @ Anyweb
Date:           09.07.2021
Version:        v1.0
Description:    
"""
   
def check_env_file():
    if not os.path.exists('.env'):
        print("""
        No .env File found, please use following scheme:
        -------------------------------------------------------------
            username="myUser"
            password="mySecretPassword"
            baseurl="https://host:9060/ers/config"
        """)
        sys.exit()

def create_endpoint(name: str, mac: str, description: str) -> str:
    eps = []
    eps.append(Endpoint(name=name, mac=mac, description=description))
    print(manager.createEndpoints(eps))
    
def delete_endpoint(mac: str, filter_operator: FilterOperator) -> str:
    print("Selected following Endpoints: ")
    print(manager.deleteEndpoints(find_endpoint(mac, filter_operator)))

def create_endpointgroup(name: str, description: str) -> str:
    egs = []
    egs.append(EndpointGroup(name=name, description=description))
    print(manager.createEndpointGroups(egs))

def delete_endpointgroup(name: str, filter_operator: FilterOperator) -> str:
    print("Selected following Endpoint Groups: ")
    print(manager.deleteEndpointGroups(find_endpointgroup(name, filter_operator)))

def find_endpointgroup(filter: str, filterOperator: FilterOperator) -> list:
    return manager.getAllEndpointGroups(filter=filter, filterOperator=filterOperator)

def find_endpoint(filter: str, filterOperator: FilterOperator) -> list:
    return manager.getAllEndpoints(filter=filter, filterOperator=filterOperator)

def find_endpoints_of_endpointgroup(endpointgroup: EndpointGroup, detailed: bool):
    return manager.getEndpointsOfEndpointGroup(endpointgroup, detailed)

def remove_endpointgroup(name: str, filter_operator: FilterOperator):
    return print(manager.deleteEndpointGroupsWithTheirEndpoints(find_endpointgroup(name, filter_operator)))

def print_endpointgroups_with_endpoints(args):
    egs = find_endpointgroup(args.name, args.filter_operator)
    for eg in egs:
        description = eg.description
        if eg.description == "": 
            description = "-" 
        print(f"----------------------------------------------\n o GID: {eg.id}\n o Name: {eg.name}\n o Description: {description}")
        for e in find_endpoints_of_endpointgroup(eg, False):
            print("  -> Endpoint: " + e.name)

def create_isemanager_init(args):
    egs = find_endpointgroup(args.name, args.filter_operator)
    Path("results").mkdir(parents=True, exist_ok=True)
    groupfile = open(f"results/insertgroups.sql", "a")
    groupInsertString = "INSERT INTO isemanager.ept_endpointgroup (groupid, name, description, systemDefined, tenantFK)\n"
    for eg in egs:
        if eg.systemDefined == False:
            groupfile.write(f"{groupInsertString}VALUES('{eg.id}', '{eg.name}', '{eg.description}', {eg.systemDefined}, dummytenant-{eg.name});\n")
            endpointfile = open(f"results/group-{eg.name}.csv", "a")
            endpointfile.write("groupName;name;description;mac;endpointId;state;\n")
            for e in find_endpoints_of_endpointgroup(eg, True):
                endpointfile.write(f"{eg.name};{e.name};{e.description};{e.mac};{e.id};disabled\n")
            endpointfile.close()
    groupfile.close()

def setup_argparser():
    argument_parser = argparse.ArgumentParser(description="🤠 ISE-Manager Light used to create, delete, search Endpoints and Endpoint Groups. And a lot more!")
    argument_parser.add_argument('--name',help="Specify a name for Endpoints/Group.",type=str)
    argument_parser.add_argument('--mac',help="Specify a MAC-Address for Endpoint.",type=str)
    argument_parser.add_argument('--description',help="Specify a Description for Endpoint/Group.",type=str)
    argument_parser.add_argument('--filter-operator',help="Possible choices are: [EQUALS, NOT_EQUALS, STARTS_WITH, NOT_STARTS_WITH, ENDS_WITH, NOT_ENDS_WITH, CONTAINS, NOT_CONTAINS] Has to be used in conjunction with '--name' (for EndpointGroups) or '--mac' (for Endpoints). Defaults to EQUALS.",type=FilterOperator.argparse, choices=list(FilterOperator), default=FilterOperator.EQUALS)
    argument_parser.add_argument('--lookup',help="🔍 [SEARCH] Find an Endpoint Group with it's Endpoints (using '--name') or an Endpoint (using '--mac'). Can be used in conjunction with '--filter-operator'", action='store_true')
    argument_parser.add_argument('--create',help="✏️ [CREATE] Create an Endpoint Group (using '--name' and '--description') or an Endpoint (using '--mac' and '--description').", action='store_true')
    #argument_parser.add_argument('--assign',help="✏️ [ASSIGN] Assign an Endpoint (using '--mac') to an Endpoint Group (using '--id').", action='store_true')
    argument_parser.add_argument('--delete',help="🗑️ [DELETE] Delete an Endpoint Group (using '--name') or an Endpoint (using '--mac').", action='store_true')
    argument_parser.add_argument('--delete-with-clear',help="🗑️ [DELETE] Delete an Endpoint Group (using '--name') and all of it's Endpoints. Can be used in conjunction with '--filter-operator'.", action='store_true')   
    argument_parser.add_argument('--dry-run',help="🏍️ Show what Endpoints and Groups are involved witout performing the action", action='store_true')
    argument_parser.add_argument('--create-isemanager-init', help="📄 Creates a SQL file and a CSV file per group with all the associated endpoints. Designed to help syncing for ISE to ISEManager.", action='store_true')
    args = argument_parser.parse_args()
    return args

def perform_lookup(args):
    if args.name is not None and args.mac is None:
            print_endpointgroups_with_endpoints(args)
    elif args.mac is not None and args.name is None:
        find_endpoint(args.mac, args.filter_operator)
    else:
        print("Only specify either --name (Endpoint Group) or --mac (Endpoint) for '--lookup'")

def perform_create_isemanager_init(args):
    args.name=""
    args.filter_operator=FilterOperator.CONTAINS
    create_isemanager_init(args)

def perform_create(args):
    if args.name is not None and args.description is not None:
        if args.mac is not None:
            if not args.dry_run:
                create_endpoint(args.name, args.mac, args.description)
            else:
                print("The following Endpoint will be created:\n" + repr(Endpoint(name=args.name, mac=args.mac, description=args.description)))
        else:
            if not args.dry_run:
                create_endpointgroup(args.name, args.description)
            else:
                print("The following Endpoint Group will be created:\n" + repr(EndpointGroup(name=args.name, description=args.description)))
    else:
        print("For a create --name and --description are needed to create an Endpoint/Group. If an Endpoint is wanted --mac has to be added. For '--create'")

def perform_delete(args):
    if args.mac is not None and args.name is None:
        if not args.dry_run:
            delete_endpoint(args.mac, args.filter_operator)
        else:
            print("The following Endpoints would have been deleted:")
            find_endpoint(args.mac, args.filter_operator)
    if args.mac is None and args.name is not None:
        if not args.dry_run:
            delete_endpointgroup(args.name, args.filter_operator)
        else:
            print("The following Endpoint Groups would have been deleted:")
            print_endpointgroups_with_endpoints(args)
        

def perform_delete_with_clear(args):
    if args.name is not None:
        if not args.dry_run:
            remove_endpointgroup(args.name, args.filter_operator)
        else:
            print_endpointgroups_with_endpoints(args)
        

if __name__ == '__main__':
    check_env_file()
    manager = ISEManagerLight()
    args = setup_argparser()
    if args.dry_run:
        print("----DRY-RUN----")
    if args.create_isemanager_init:
        perform_create_isemanager_init(args)
    if args.name is not None or args.mac is not None:
        if args.lookup:
            perform_lookup(args)
        elif args.create:
            perform_create(args)
        elif args.delete:
            perform_delete(args)
        elif args.delete_with_clear:
            perform_delete_with_clear(args)
        else:
            print("Please choose an action. Check with '--help'")
    else:
        print("Error missing Name or MAC! Check with '--help'")