gistfile1.txt

#!/usr/local/munki/munki-python

import datetime
import json
import os
import platform
import plistlib
import subprocess
import sys
import time
import webbrowser
from AppKit import NSWorkspace
from PyObjCTools import Conversion
from CoreFoundation import CFPreferencesCopyAppValue, CFPreferencesSetValue
from Foundation import NSURL, NSLog, kCFPreferencesCurrentUser, kCFPreferencesAnyHost
from distutils.version import LooseVersion
from SystemConfiguration import SCDynamicStoreCopyConsoleUser

APP_DOMAIN = "com.company.itops.notifications"
CONFIG_FILE_URL = "https://company.com/public/umad/umad.json"
TODAY = datetime.date.today()


class DialogAlert:
    def __init__(self, config):
        # set the default look of the alert
        self.config = config
        self.content_dict = {
            "messagealignment": "centre",
            "button1text": "Close",
            "centericon": 1,
            "icon": f"{config['IMG_LOCATION']}/company-logo.png",
            "iconsize": "500",
            "infobuttonaction": config["INFO_LINK"],
            "infobuttontext": config["INFO_TEXT"],
            "message": f" ",
            "messagefont": "size=16",
            "title": "none",
        }

    def alert(self, contentDict, background=False):
        """Runs the SwiftDialog app and returns the exit code"""
        jsonString = json.dumps(contentDict)
        bg = ""
        if background:
            bg = " &"
        # os.system is deprecated but makes background calls easier than subprocess
        exit_code = os.system(
            f"{self.config['DIALOG']} -o -d --jsonstring '{jsonString}'{bg}"
        )
        return exit_code

    def update_dialog(self, command, value=""):
        """Updates the current dialog window"""
        with open(self.config["DIALOG_COMMAND_FILE"], "a") as log:
            log.write(f"{command}: {value}\n")


def get_configuration():
    """
    Configuration can be loaded from the App Domain (via cfprefs)
    or by a remote json file.
    """
    config = {}
    global_profile_settings = read_cfprefs_value("global", APP_DOMAIN) or {}
    app_profile_settings = read_cfprefs_value("mdm_check", APP_DOMAIN) or {}
    config = config | Conversion.pythonCollectionFromPropertyList(
        global_profile_settings
    )
    config = config | Conversion.pythonCollectionFromPropertyList(app_profile_settings)

    config["CONFIG_FILE_URL"] = config.get("config_file_url", CONFIG_FILE_URL)

    try:
        remote_file = download_file(CONFIG_FILE_URL)
    except:
        remote_file = {}

    config["CUTOFF_DATE"] = config.get(
        "requiredInstallationDate", remote_file.get("CUTOFF_DATE", TODAY.strftime("%Y-%m-%d"))
    )
    config["DELTA_DAYS"] = (
        datetime.datetime.strptime(config["CUTOFF_DATE"], "%Y-%m-%d").date() - TODAY
    ).days
    config["DIALOG_COMMAND_FILE"] = config.get(
        "DIALOG_COMMAND_FILE", "/var/tmp/dialog.log"
    )
    config["ENROLLMENT_URL"] = app_profile_settings.get(
        "enrollmentUrl",
        remote_file.get("ENROLLMENT_URL", "https://a.simplemdm.com/enroll/?c=99696494"),
    )
    config["FILE_LOCATION"] = config.get("FILE_LOCATION", "/Library/CPE/")
    config["IMG_LOCATION"] = os.path.join(config["FILE_LOCATION"], "imgs")
    config["DIALOG"] = config.get("DIALOG", "/usr/local/bin/dialog")
    config["IDENTITY_CHECK"] = app_profile_settings.get(
        "IDENTITY_CHECK", remote_file.get("IDENTITY_CHECK", "SimpleMDM")
    )
    config["SLACK_CHANNEL"] = config.get("SLACK_CHANNEL", "#it-support")
    config["SLACK_LINK"] = config.get(
        "SLACK_LINK", "slack://channel?team="
    )
    config["INFO_LINK"] = config.get(
        "mdmCheckInfoLink",
        remote_file.get("INFO_LINK", "https://confluence.company.com/x/e93uCQ"),
    )
    config["INFO_TEXT"] = config.get(
        "wiki_text", remote_file.get("INFO_TEXT", "More Info")
    )
    config["TICKET_TEXT"] = config.get("TICKET_TEXT", "IT Support")
    config["TICKET_LINK"] = config.get("TICKET_LINK", "https://helpdesk.company.com")
    return config


def download_file(file_url):
    """Attempts to download a json file at a file_url
    Returns a dictionary of the json file."""
    try:
        cmd = ["/usr/bin/curl", "-s", file_url]
        json_raw = run_cmd(cmd)[0].decode("utf-8")
        return json.loads(json_raw)
    except Exception as err:
        write_log(f"Unable to download configuration file: {err}")
        return {}


def get_logged_in_user():
    """Returns the UID of the current logged in user"""
    user, uid, gid = SCDynamicStoreCopyConsoleUser(None, None, None)
    return uid


def get_os_version():
    """Return OS version."""
    return LooseVersion(platform.mac_ver()[0])


def identity_check(config):
    """Check for valid MDM identity will return"""
    cmd = ["/usr/bin/security", "find-identity", "-v"]
    output = run_cmd(cmd)[0].decode("utf-8")
    if config["IDENTITY_CHECK"] in output:
        return True
    write_log(f"Valid identity ({config['IDENTITY_CHECK']}) not found")
    return False


def is_dep_enabled():
    """Check if DEP is enabled"""
    cloud_record_path = "/private/var/db/ConfigurationProfiles/Settings"
    good_record = os.path.join(cloud_record_path, ".cloudConfigRecordFound")
    bad_record = os.path.join(cloud_record_path, ".cloudConfigRecordNotFound")
    no_activation = os.path.join(cloud_record_path, ".cloudConfigNoActivationRecord")
    cmd = ["/usr/bin/profiles", "-e"]
    run_cmd(cmd)
    if os.path.exists(bad_record) or os.path.exists(no_activation):
        return False
    try:
        with open(good_record, "rb") as f:
            cloudConfigRecord = plistlib.load(f)
    except:
        return False
    if "CloudConfigFetchError" in cloudConfigRecord:
        return False
    return True


def read_cfprefs_value(key, app_domain):
    """Returns a preference value for the specified key and application."""
    return CFPreferencesCopyAppValue(key, app_domain)


def run_cmd(cmd):
    """Run the cmd"""
    run = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    output, err = run.communicate()
    if err:
        write_log(err.decode("utf-8"))
    return output, err


def write_log(text):
    """Logger for mdm_check. Output is controlled by the LaunchDaemon."""
    NSLog("[mdm_check] " + text)


def write_plist(key, value, app_domain):
    """Adds, modifies, or removes a preference value for the specified domain."""
    CFPreferencesSetValue(
        key, value, app_domain, kCFPreferencesCurrentUser, kCFPreferencesAnyHost
    )


def main():
    config = get_configuration()

    if not os.path.exists(config["DIALOG"]):
        write_log("Dialog does not seem to be installed. Exiting.")
        sys.exit(1)

    if get_os_version() < LooseVersion("11"):
        write_log("Not compatible with Catalina and below, please upgrade.")
        sys.exit(1)

    if identity_check(config):
        write_log(f"Valid identity found. Found {config['IDENTITY_CHECK']}.")
        sys.exit(0)

    deferrals = read_cfprefs_value("mdmCheckDeferrals", APP_DOMAIN) or 0
    activations = read_cfprefs_value("mdmCheckActivations", APP_DOMAIN) or 0

    write_log("Starting User notification")

    write_plist("mdmCheckActivations", activations + 1, APP_DOMAIN)
    write_plist("mdmCheckLastActivationDate", datetime.datetime.today(), APP_DOMAIN)

    if is_dep_enabled():
        write_log("Machine is DEP enabled and not managed")
        step1 = DialogAlert(config)
        step1.content_dict["button1text"] = "Send Notification"
        step1.content_dict["message"] = (
            "## Your MDM enrollment needs updating!\n\n"
            "Please click **Send Notification** to begin enrollment.\n\n"
            f"To verify this message, go to <{config['INFO_LINK']}> or "
            f"[{config['SLACK_CHANNEL']}]({config['SLACK_LINK']}) in Slack."
        )
        dep_step1 = step1.alert(step1.content_dict)
        if dep_step1 == 0:
            write_log("Running profiles renew command")
            user_id = str(get_logged_in_user())
            cmd = [
                "/bin/launchctl",
                "asuser",
                user_id,
                "/usr/bin/profiles",
                "renew",
                "-type",
                "enrollment",
            ]
            run_cmd(cmd)
        else:
            sys.exit(dep_step1)
        final_step = DialogAlert(config)
        final_step.content_dict["button1disabled"] = True
        final_step.content_dict["icon"] = f"{config['IMG_LOCATION']}/dep_enroll.png"
        final_step.content_dict["message"] = (
            "## Notification has been sent\n\n"
            "It is located in the Notification Center in the top right corner of your screen.\n\n"
            "Click on the notification and select **Allow** to finish device management setup."
        )
        final_step.alert(final_step.content_dict, True)
        time.sleep(10)
        final_step.update_dialog("button1", "enable")
    else:
        write_log("Machine is not DEP enabled and not managed")
        man_step1 = DialogAlert(config)
        man_step1.content_dict["button1text"] = "Download Profile"
        man_step1.content_dict["message"] = (
            "## Your MDM enrollment needs updating!\n\n"
            "Please click **Download Profile** to download the latest profile.\n\n"
            f"To verify this message, go to <{config['INFO_LINK']}> or "
            f"[{config['SLACK_CHANNEL']}]({config['SLACK_LINK']}) in Slack."
        )
        manual_step1 = man_step1.alert(man_step1.content_dict)
        if manual_step1 == 0:
            url = config["ENROLLMENT_URL"]
            webbrowser.open_new(url)
        man_step2 = DialogAlert(config)
        man_step2.content_dict["button1text"] = "Continue"
        man_step2.content_dict["icon"] = f"{config['IMG_LOCATION']}/manual.png"
        man_step2.content_dict["message"] = (
            "## Please click on Download Enrollment Profile.\n\n"
            "Open the downloaded mobileconfig file and click on the notification."
        )
        manual_step2 = man_step2.alert(man_step2.content_dict)
        if manual_step2 == 0:
            sys_pref_link = (
                "x-apple.systempreferences:com.apple.preferences.configurationprofiles"
            )
            workspace = NSWorkspace.sharedWorkspace()
            workspace.openURL_(NSURL.URLWithString_(sys_pref_link))
        final_step = DialogAlert(config)
        final_step.content_dict["button1text"] = "Close"
        final_step.content_dict["button1disabled"] = True
        final_step.content_dict["icon"] = f"{config['IMG_LOCATION']}/install.png"
        final_step.content_dict["message"] = (
            "## Please click on Install.\n\nEnter your local "
            "user credentials and click Enroll to finish device management setup."
        )
        final_step.alert(final_step.content_dict, True)
        time.sleep(10)
        final_step.update_dialog("button1", "enable")

    # Will loop until it finds a valid identity or Dialog is manually closed
    time.sleep(30)
    write_log("Checking identities")
    while not identity_check(config):
        # Detect if Dialog was manually closed
        process = run_cmd(["/usr/bin/pgrep", "dialog"])
        if not process[0]:
            final_step.update_dialog("quit")
            failure = DialogAlert(config)
            failure.content_dict["button1text"] = "Defer"
            failure.content_dict["button2text"] = "Check Again"
            failure.content_dict["message"] = (
                "## Enrollment was not completed!\n\n"
                "We will remind you in an hour to complete again.\n\n"
                f"Remaining days for enrollment: **{config['DELTA_DAYS']}**\n\n"
                f"For issues, please log a ticket with [{config['TICKET_TEXT']}]({config['TICKET_LINK']})"
            )
            failure_step = failure.alert(failure.content_dict)
            if failure_step == 0:
                write_log("User acknowledged incomplete enrollment")
                write_plist("mdmCheckDeferrals", deferrals + 1, APP_DOMAIN)
                return
            else:
                write_log("Checking again")
    final_step.update_dialog("quit")
    success = DialogAlert(config)
    success.content_dict[
        "message"
    ] = "## Success!\n\nThank you for updating your MDM enrollment."
    success.alert(success.content_dict)


if __name__ == "__main__":
    main()