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Current Directory: /opt/saltstack/salt/lib/python3.10/site-packages/salt/modules
Viewing File: /opt/saltstack/salt/lib/python3.10/site-packages/salt/modules/mac_softwareupdate.py
"""
Support for the softwareupdate command on MacOS.
"""

import os
import re

import salt.utils.data
import salt.utils.files
import salt.utils.mac_utils
import salt.utils.path
import salt.utils.platform
from salt.exceptions import CommandExecutionError, SaltInvocationError

__virtualname__ = "softwareupdate"


def __virtual__():
    """
    Only for MacOS
    """
    if not salt.utils.platform.is_darwin():
        return (
            False,
            "The softwareupdate module could not be loaded: "
            "module only works on MacOS systems.",
        )

    return __virtualname__


def _get_available(recommended=False, restart=False, shut_down=False):
    """
    Utility function to get all available update packages.

    Sample return date:
    { 'updatename': '1.2.3-45', ... }
    """
    cmd = ["softwareupdate", "--list"]
    out = salt.utils.mac_utils.execute_return_result(cmd)

    if __grains__["osrelease_info"][0] > 10 or __grains__["osrelease_info"][1] >= 15:
        # Example output:
        # Software Update Tool
        #
        # Finding available software
        # Software Update found the following new or updated software:
        # * Label: Command Line Tools beta 5 for Xcode-11.0
        #     Title: Command Line Tools beta 5 for Xcode, Version: 11.0, Size: 224804K, Recommended: YES,
        # * Label: macOS Catalina Developer Beta-6
        #     Title: macOS Catalina Public Beta, Version: 5, Size: 3084292K, Recommended: YES, Action: restart,
        # * Label: BridgeOSUpdateCustomer
        #     Title: BridgeOSUpdateCustomer, Version: 10.15.0.1.1.1560926689, Size: 390674K, Recommended: YES, Action: shut down,
        # - Label: iCal-1.0.2
        #     Title: iCal, Version: 1.0.2, Size: 6520K,
        rexp = re.compile(
            r"(?m)"  # Turn on multiline matching
            r"^\s*[*-] Label: "  # Name lines start with * or - and "Label: "
            r"(?P<name>[^ ].*)[\r\n]"  # Capture the rest of that line; this is the update name.
            r".*Version: (?P<version>[^,]*), "  # Grab the version number.
            r"Size: (?P<size>[^,]*),\s*"  # Grab the size; unused at this time.
            r"(?P<recommended>Recommended: YES,)?\s*"  # Optionally grab the recommended flag.
            r"(?P<action>Action: (?:restart|shut down),)?"  # Optionally grab an action.
        )
    else:
        # Example output:
        # Software Update Tool
        #
        # Finding available software
        # Software Update found the following new or updated software:
        #    * Command Line Tools (macOS Mojave version 10.14) for Xcode-10.3
        #        Command Line Tools (macOS Mojave version 10.14) for Xcode (10.3), 199140K [recommended]
        #    * macOS 10.14.1 Update
        #        macOS 10.14.1 Update (10.14.1), 199140K [recommended] [restart]
        #    * BridgeOSUpdateCustomer
        #        BridgeOSUpdateCustomer (10.14.4.1.1.1555388607), 328394K, [recommended] [shut down]
        #    - iCal-1.0.2
        #        iCal, (1.0.2), 6520K
        rexp = re.compile(
            r"(?m)"  # Turn on multiline matching
            r"^\s+[*-] "  # Name lines start with 3 spaces and either a * or a -.
            r"(?P<name>.*)[\r\n]"  # The rest of that line is the name.
            r".*\((?P<version>[^ \)]*)"  # Capture the last parenthesized value on the next line.
            r"[^\r\n\[]*(?P<recommended>\[recommended\])?\s?"  # Capture [recommended] if there.
            r"(?P<action>\[(?:restart|shut down)\])?"  # Capture an action if present.
        )

    # Build a list of lambda funcs to apply to matches to filter based
    # on our args.
    conditions = []
    if salt.utils.data.is_true(recommended):
        conditions.append(lambda m: m.group("recommended"))
    if salt.utils.data.is_true(restart):
        conditions.append(
            lambda m: "restart" in (m.group("action") or "")
        )  # pylint: disable=superfluous-parens
    if salt.utils.data.is_true(shut_down):
        conditions.append(
            lambda m: "shut down" in (m.group("action") or "")
        )  # pylint: disable=superfluous-parens

    return {
        m.group("name"): m.group("version")
        for m in rexp.finditer(out)
        if all(f(m) for f in conditions)
    }


def list_available(recommended=False, restart=False, shut_down=False):
    """
    List all available updates.

    :param bool recommended: Show only recommended updates.

    :param bool restart: Show only updates that require a restart.

    :return: Returns a dictionary containing the updates
    :rtype: dict

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.list_available
    """
    return _get_available(recommended, restart, shut_down)


def ignore(name):
    """
    Ignore a specific program update. When an update is ignored the '-' and
    version number at the end will be omitted, so "SecUpd2014-001-1.0" becomes
    "SecUpd2014-001". It will be removed automatically if present. An update
    is successfully ignored when it no longer shows up after list_updates.

    :param name: The name of the update to add to the ignore list.
    :ptype: str

    :return: True if successful, False if not
    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.ignore <update-name>
    """
    # remove everything after and including the '-' in the updates name.
    to_ignore = name.rsplit("-", 1)[0]

    cmd = ["softwareupdate", "--ignore", to_ignore]
    salt.utils.mac_utils.execute_return_success(cmd)

    return to_ignore in list_ignored()


def list_ignored():
    """
    List all updates that have been ignored. Ignored updates are shown
    without the '-' and version number at the end, this is how the
    softwareupdate command works.

    :return: The list of ignored updates
    :rtype: list

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.list_ignored
    """
    cmd = ["softwareupdate", "--list", "--ignore"]
    out = salt.utils.mac_utils.execute_return_result(cmd)

    # rep parses lines that look like the following:
    #     "Safari6.1.2MountainLion-6.1.2",
    # or:
    #     Safari6.1.2MountainLion-6.1.2
    rexp = re.compile(r'(?m)^    ["]?([^,|\s].*[^"|\n|,])[,|"]?')

    return rexp.findall(out)


def reset_ignored():
    """
    Make sure the ignored updates are not ignored anymore,
    returns a list of the updates that are no longer ignored.

    :return: True if the list was reset, Otherwise False
    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.reset_ignored
    """
    cmd = ["softwareupdate", "--reset-ignored"]
    salt.utils.mac_utils.execute_return_success(cmd)

    return list_ignored() == []


def schedule_enabled():
    """
    Check the status of automatic update scheduling.

    :return: True if scheduling is enabled, False if disabled

    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.schedule_enabled
    """
    cmd = ["softwareupdate", "--schedule"]
    ret = salt.utils.mac_utils.execute_return_result(cmd)

    enabled = ret.split()[-1]

    return salt.utils.mac_utils.validate_enabled(enabled) == "on"


def schedule_enable(enable):
    """
    Enable/disable automatic update scheduling.

    :param enable: True/On/Yes/1 to turn on automatic updates. False/No/Off/0
        to turn off automatic updates. If this value is empty, the current
        status will be returned.

    :type: bool str

    :return: True if scheduling is enabled, False if disabled
    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.schedule_enable on|off
    """
    status = salt.utils.mac_utils.validate_enabled(enable)

    cmd = [
        "softwareupdate",
        "--schedule",
        salt.utils.mac_utils.validate_enabled(status),
    ]
    salt.utils.mac_utils.execute_return_success(cmd)

    return salt.utils.mac_utils.validate_enabled(schedule_enabled()) == status


def update_all(recommended=False, restart=True):
    """
    Install all available updates. Returns a dictionary containing the name
    of the update and the status of its installation.

    :param bool recommended: If set to True, only install the recommended
        updates. If set to False (default) all updates are installed.

    :param bool restart: Set this to False if you do not want to install updates
        that require a restart. Default is True

    :return: A dictionary containing the updates that were installed and the
        status of its installation. If no updates were installed an empty
        dictionary is returned.

    :rtype: dict

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.update_all
    """
    to_update = _get_available(recommended, restart)

    if not to_update:
        return {}

    for _update in to_update:
        cmd = ["softwareupdate", "--install", _update]
        salt.utils.mac_utils.execute_return_success(cmd)

    ret = {}
    updates_left = _get_available()

    for _update in to_update:
        ret[_update] = True if _update not in updates_left else False

    return ret


def update(name):
    """
    Install a named update.

    :param str name: The name of the of the update to install.

    :return: True if successfully updated, otherwise False
    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.update <update-name>
    """
    if not update_available(name):
        raise SaltInvocationError(f"Update not available: {name}")

    cmd = ["softwareupdate", "--install", name]
    salt.utils.mac_utils.execute_return_success(cmd)

    return not update_available(name)


def update_available(name):
    """
    Check whether or not an update is available with a given name.

    :param str name: The name of the update to look for

    :return: True if available, False if not
    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.update_available <update-name>
       salt '*' softwareupdate.update_available "<update with whitespace>"
    """
    return name in _get_available()


def list_downloads():
    """
    Return a list of all updates that have been downloaded locally.

    :return: A list of updates that have been downloaded
    :rtype: list

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.list_downloads
    """
    outfiles = []
    for root, subFolder, files in salt.utils.path.os_walk("/Library/Updates"):
        for f in files:
            outfiles.append(os.path.join(root, f))

    dist_files = []
    for f in outfiles:
        if f.endswith(".dist"):
            dist_files.append(f)

    ret = []
    for update in _get_available():
        for f in dist_files:
            with salt.utils.files.fopen(f) as fhr:
                if update.rsplit("-", 1)[0] in salt.utils.stringutils.to_unicode(
                    fhr.read()
                ):
                    ret.append(update)

    return ret


def download(name):
    """
    Download a named update so that it can be installed later with the
    ``update`` or ``update_all`` functions

    :param str name: The update to download.

    :return: True if successful, otherwise False
    :rtype: bool

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.download <update name>
    """
    if not update_available(name):
        raise SaltInvocationError(f"Update not available: {name}")

    if name in list_downloads():
        return True

    cmd = ["softwareupdate", "--download", name]
    salt.utils.mac_utils.execute_return_success(cmd)

    return name in list_downloads()


def download_all(recommended=False, restart=True):
    """
    Download all available updates so that they can be installed later with the
    ``update`` or ``update_all`` functions. It returns a list of updates that
    are now downloaded.

    :param bool recommended: If set to True, only install the recommended
        updates. If set to False (default) all updates are installed.

    :param bool restart: Set this to False if you do not want to install updates
        that require a restart. Default is True

    :return: A list containing all downloaded updates on the system.
    :rtype: list

    CLI Example:

    .. code-block:: bash

       salt '*' softwareupdate.download_all
    """
    to_download = _get_available(recommended, restart)

    for name in to_download:
        download(name)

    return list_downloads()


def get_catalog():
    """
    .. versionadded:: 2016.3.0

    Get the current catalog being used for update lookups. Will return a url if
    a custom catalog has been specified. Otherwise the word 'Default' will be
    returned

    :return: The catalog being used for update lookups
    :rtype: str

    CLI Example:

    .. code-block:: bash

        salt '*' softwareupdates.get_catalog
    """
    cmd = ["defaults", "read", "/Library/Preferences/com.apple.SoftwareUpdate.plist"]
    out = salt.utils.mac_utils.execute_return_result(cmd)

    if "AppleCatalogURL" in out:
        cmd.append("AppleCatalogURL")
        out = salt.utils.mac_utils.execute_return_result(cmd)
        return out
    elif "CatalogURL" in out:
        cmd.append("CatalogURL")
        out = salt.utils.mac_utils.execute_return_result(cmd)
        return out
    else:
        return "Default"


def set_catalog(url):
    """
    .. versionadded:: 2016.3.0

    Set the Software Update Catalog to the URL specified

    :param str url: The url to the update catalog

    :return: True if successful, False if not
    :rtype: bool

    CLI Example:

    .. code-block:: bash

        salt '*' softwareupdates.set_catalog http://swupd.local:8888/index.sucatalog
    """
    # This command always returns an error code, though it completes
    # successfully. Success will be determined by making sure get_catalog
    # returns the passed url
    cmd = ["softwareupdate", "--set-catalog", url]

    try:
        salt.utils.mac_utils.execute_return_success(cmd)
    except CommandExecutionError as exc:
        pass

    return get_catalog() == url


def reset_catalog():
    """
    .. versionadded:: 2016.3.0

    Reset the Software Update Catalog to the default.

    :return: True if successful, False if not
    :rtype: bool

    CLI Example:

    .. code-block:: bash

        salt '*' softwareupdates.reset_catalog
    """
    # This command always returns an error code, though it completes
    # successfully. Success will be determined by making sure get_catalog
    # returns 'Default'
    cmd = ["softwareupdate", "--clear-catalog"]

    try:
        salt.utils.mac_utils.execute_return_success(cmd)
    except CommandExecutionError as exc:
        pass

    return get_catalog() == "Default"
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