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✏️ Editing: lscmctl

#!/bin/sh

# /********************************************
# LiteSpeed Cache Management Script
#
# @author Michael Alegre
# @copyright (c) 2017-2023 LiteSpeed Technologies, Inc.
# *********************************************/

VERSION='1.12.3'
OS=$(uname -s)
SCRIPT_DIR=$(cd "$(dirname "${0}")" && pwd)

cd "${SCRIPT_DIR}" || { echo "Unable to cd to script dir ${SCRIPT_DIR}"; exit 1; }

LSWS_DIR=$(cd "${SCRIPT_DIR}/../.." && pwd)
PHP_SCRIPT="${LSWS_DIR}/add-ons/webcachemgr/bootstrap_cli.php"
SHARED_API_VERSION_FILE="${LSWS_DIR}/add-ons/webcachemgr/VERSION"
SHARED_API_MIN_VER_FILE="${LSWS_DIR}/add-ons/webcachemgr/MIN_VER"

YELLOW='\e[33m'
CYAN='\e[36m'
GREEN='\e[32m'
L_GRAY='\e[37m'
END_COLOR='\e[0m'

printHeader()
{
    # $1 title , $2 descr
	printf "\n${YELLOW}%s${END_COLOR}\n%s\n" "${1}" "${2}"
}

printLabelDesc()
{
	printf "\n${YELLOW}%s${END_COLOR} %s\n\n" "${1}" "${2}"
}

printCmdOption()
{
    printf "${CYAN}%s${END_COLOR} ${GREEN}%s${END_COLOR}\n" "${1}" "${2}"
    printf "    %s\n\n" "${3}" | fold -sw 80
}

printExample()
{
	printf "  ${L_GRAY}%s:${END_COLOR}\n" "${1}"
	printf "  ./lscmctl %s\n\n" "${2}"
}

printHelp()
{
	printHeader "LiteSpeed Cache Manager CLI Tool v${VERSION}"
	printLabelDesc 'Usage:' './lscmctl [-php path/to/php] command [flag/parameter]'
	printLabelDesc 'Possible Commands:'
    # shellcheck disable=SC2016
    printCmdOption 'setcacheroot' '[-svr <cache root>] [-vh <cache root>]' 'List/Set server and/or virtual host cache roots. This command will list the current server and virtual host cache roots when no additional input is given. Use -svr and -vh to set those cache roots. The '"'"'$'"'"' character is not allowed when setting virtual host cache root. Virtual host cache root values starting with a '"'"'/'"'"' will automatically have '"'"'/$vh_user'"'"' appended to the end (this format was chosen to maintain compatibility with CageFS).'
    printCmdOption 'setversion' '[{--list | --latest | <version>}]' 'List/Set active LSCWP version. This command will list the currently active version when no additional input is given. Use --list to show available versions or --latest to switch to the latest available version. A valid version number can also be provided to switch to that version specifically. This must be set before performing other lscmctl operations.'
	printCmdOption 'scan' '[-n] [-e]' 'Scan for all WordPress installations. This command will create an lscm.data file under the "lsws/admin/lscdata" directory. Add the -n flag to only discover new installations. By adding the -e flag, LSCWP will be enabled on all known installations after scanning is complete.'
    printCmdOption 'scannew' '[-en] ' 'Scan for WordPress installations not already discovered in a previous scan. This command will create an lscm.data file under the "lsws/admin/lscdata" directory. By adding the -en flag, LSCWP will be enabled only on newly discovered installations after scanning is complete. If you would rather enable LSCWP for all known installations, after scanning for previously undiscovered installations, please use command '"'"'scan -n -e'"'"' instead.'
	printCmdOption 'enable' '{-m | <wp path>}' 'Enables LSCWP for all discovered WordPress installations with the -m parameter or a single installation by providing the path to the WordPress installation directory.'
	printCmdOption 'disable' '{-m | <wp path>}' 'Disables LSCWP for all discovered WordPress installations with the -m parameter or a single installation by providing the path to the WordPress installation directory.'
    printCmdOption 'upgrade' '{-m | <wp path>}' 'Upgrade LSCWP for all discovered WordPress installations to the current active version with the -m parameter or a single installation by providing the path to the WordPress installation directory.'
    printCmdOption 'flag' '<wp path>' 'Flag a single WordPress installation. Flagged installations will be skipped during mass operations.'
    printCmdOption 'unflag' '{-m | <wp path>}' 'Unflag all discovered WordPress installations with the -m parameter or a single installation by providing the path to the WordPress installation directory. Flagged installations will be skipped during mass operations.'
    printCmdOption 'status' '<wp path>' 'Get the most up to date LSCWP status for the provided WordPress installation.'
    printCmdOption 'dashnotify' '{-m | -wppath <wp path>} [-plugin <plugin slug>] {-msgfile <message file path> | -msg <message>}' 'Notify all discovered WordPress installations with the provided message (plain text or HTML) using the Dash Notifier WordPress plugin with the -m parameter or a single installation by providing the path to the WordPress installation directory. A plugin slug can be included to have an install/activate button for that plugin added to the message as well. Installations containing a '"'"'.dash_notifier_bypass'"'"' file will not be notified.'
	printCmdOption 'dashnotifyremove' '{-m | <wp path>}' 'Remove Dash Notifier plugin (and notification messages) from all discovered WordPress installations with the -m parameter or a single installation by providing the path to the WordPress installation directory.'
    printCmdOption 'cpanelplugin' '{--install | --uninstall | -autoinstall [{0 | 1}] | --fixconf}' '[cPanel/WHM Environment Only] Install or uninstall the LiteSpeed user-end plugin for cPanel for all cPanel accounts using the '"'"'--install'"'"' and '"'"'--uninstall'"'"' input flags. The plugin will appear as "LiteSpeed Web Cache Manager" under '"'"'Advanced'"'"' in the user'"'"'s cPanel dashboard. The '"'"'-autoinstall'"'"' input param can be used to check the current auto install status. When turned on, the cPanel plugin will be automatically installed when installing/updating the WHM plugin. Use '"'"'-autoinstall {0 | 1}'"'"' to manually turn this off and on respectively. The '"'"'--fixConf'"'"' input param can be used to re-populate the cPanel plugin'"'"'s configuration file values in case of an issue.'
    printCmdOption 'addinstalls' '{-wpinstall <wp path> <docroot> <server name> <site url>} | -wpinstallsfile <installs file path>}' 'Add a WordPress installation to existing scan data. This "custom" data will be stored in it'"'"'s own lscm.data.cust data file under the "lsws/admin/lscdata" directory. A single installation can be added using the -wpinstall parameter with space separated list of installation info in the required order (<wp path> <docroot> <server name> <site url>). Multiple installations can be added at once using the -wpinstallsfile parameter to provide the path to an installs file containing a newline separated list of installation info in the expected format.'
    printCmdOption '--update-lib' '' 'Update the lscmctl script and the required shared library to their latest versions only if the currently installed versions are no longer supported.'
    printCmdOption '--force-update-lib' '' 'Force update the lscmctl script and the required shared library to their latest versions. It is not recommended that this command be included in any cron jobs, use command '"'"'--update-lib'"'"' instead.'
    printHeader "Example Usage:"
    printExample 'List server and virtual host cache roots' 'setcacheroot'
    printExample 'Set virtual host cache root' 'setcacheroot -vh /path/to/ssd/lscache'
    printExample 'Display currently active LSCWP version' 'setversion'
    printExample 'Display selectable LSCWP versions' 'setversion --list'
    printExample 'Set active LSCWP version to latest available' 'setversion --latest'
    printExample 'Set active LSCWP version to v1.5' 'setversion 1.5'
	printExample 'Discover all installations' 'scan'
    printExample 'Discover new installations only, passing in path to PHP binary' '-php /path/to/php/ scannew'
	printExample 'Enable LSCWP on all discovered installations' 'enable -m'
	printExample 'Disable LSCWP for a single installation' 'disable /home/user/public_html/wp'
    printExample 'Get LSCWP status for a single installation' 'status /home/user/public_html/wp'
    printExample 'Send a simple dashboard message to a single discovered WordPress installation' 'dashnotify -wppath /path/to/wp/install -msg "Hello World!"'
    printExample 'Broadcast a dashboard message recommending the LiteSpeed Cache for WordPress plugin to all discovered WordPress installations' 'dashnotify -m -plugin litespeed-cache -msgfile /path/to/msg/file'
    printExample 'Remove dashboard notifications (and Dash Notifier plugin) from all discovered WordPress installations' 'dashnotifyremove -m'
    printExample '[cPanel/WHM Environment Only] Install the LiteSpeed user-end plugin for cPanel for all cPanel accounts' 'cpanelplugin --install'
    printExample '[cPanel/WHM Environment Only] Turn off auto install for the LiteSpeed user-end plugin for cPanel' 'cpanelplugin -autoinstall 0'
    printExample 'Add a single WordPress Installations to custom data file.' 'addinstalls -wpinstall /home/user/public_html/wp /home/user/public_html user.com user.com/wp'
    printExample 'Add multiple WordPress Installations to custom data file using an installs file.' 'addinstalls -wpinstallsfile /path/to/installs/file'
}

updateMinAPIVerFile()
{
    MIN_VER=$(wget -q https://www.litespeed.sh/sub/shared/MIN_VER -O -)
    RET=$?

if [ "${RET}" = "127" ] ; then
        errorExit "Required command 'wget' not found with exit code 127."
    elif [ "$RET" != "0" ] ; then
        errorExit "Failed to download latest MIN_VER file with wget exit status ${RET}."
    fi

echo "${MIN_VER}" > "${SHARED_API_MIN_VER_FILE}"
}

apiNeedsUpdate()
{
    UPDATE_MIN_VER=1

if [ -f "${SHARED_API_VERSION_FILE}" ] ; then
        test "$(find "${SHARED_API_VERSION_FILE}" -mmin -1440)"

# shellcheck disable=SC2181
        if [ "${?}" = "0" ] ; then
            UPDATE_MIN_VER=0
        fi
    fi

if [ ! -f "${SHARED_API_MIN_VER_FILE}" ] || [ $UPDATE_MIN_VER ] ; then
        updateMinAPIVerFile
    fi

CURR_VER=$(cat "${SHARED_API_VERSION_FILE}")
    MIN_VER=$(cat "${SHARED_API_MIN_VER_FILE}")

CURR_MAJOR=$(echo "${CURR_VER}" | awk -F"." '{print $1}')
    MIN_MAJOR=$(echo "${MIN_VER}" | awk -F"." '{print $1}')

if [ "${CURR_MAJOR}" -lt "${MIN_MAJOR}" ] ; then
        return 0
    elif [ "${CURR_MAJOR}" -gt "${MIN_MAJOR}" ] ; then
        return 1
    fi

CURR_MINOR=$(echo "${CURR_VER}" | awk -F"." '{print $2}')
    MIN_MINOR=$(echo "${MIN_VER}" | awk -F"." '{print $2}')

if [ "${CURR_MINOR}" -lt "${MIN_MINOR}" ] ; then
        return 0
    elif [ "${CURR_MINOR}" -gt "${MIN_MINOR}" ] ; then
        return 1
    fi

CURR_IMPROVEMENT=$(echo "${CURR_VER}" | awk -F"." '{print match($3, /[^ ]/) ? $3 : 0}')
    MIN_IMPROVEMENT=$(echo "${MIN_VER}" | awk -F"." '{print match($3, /[^ ]/) ? $3 : 0}')

if [ "${CURR_IMPROVEMENT}" -lt "${MIN_IMPROVEMENT}" ] ; then
        return 0
    elif [ "${CURR_IMPROVEMENT}" -gt "${MIN_IMPROVEMENT}" ] ; then
        return 1
    fi

CURR_PATCH=$(echo "${CURR_VER}" | awk -F"." '{print match($4, /[^ ]/) ? $4 : 0}')
    MIN_PATCH=$(echo "${MIN_VER}" | awk -F"." '{print match($4, /[^ ]/) ? $4 : 0}')

if [ "${CURR_PATCH}" -lt "${MIN_PATCH}" ] ; then
        return 0
    elif [ "${CURR_PATCH}" -gt "${MIN_PATCH}" ] ; then
        return 1
    fi

return 1
}

enforceMinAPIVer()
{
    if apiNeedsUpdate ; then
        echo "Automatically updating lscmctl script and required shared library"
        runUpdate
    fi
}

runUpdate()
{

if [ "${1}" = "--update-lib" ] && ! apiNeedsUpdate ; then
        echo "Shared code library already meets minimum API version requirements."
        echo "Done!"
        return
    fi

ADDONS_DIR=$(cd "${LSWS_DIR}/add-ons" && pwd)
    LOCAL_TAR_FILE="${ADDONS_DIR}/shared_latest.tar.gz"
    URL="https://shared.litespeed.sh/latest"

echo "Downloading latest shared code tar file..."
    wget -q --tries=1 --no-check-certificate "${URL}" -O "${LOCAL_TAR_FILE}"

RET=$?

if [ "${RET}" != "0" ] ; then

if [ -f "${LOCAL_TAR_FILE}" ] ; then
            /bin/rm -f "${LOCAL_TAR_FILE}"
        fi

if [ "${RET}" = "127" ] ; then
            errorExit "Required command 'wget' not found with exit code 127."
        else
            errorExit "Failed to download latest shared code with wget exit status ${RET}."
        fi
    fi

MD5_VALUE=$(wget -q https://shared.litespeed.sh/latest/md5 -O -)

if [ "${MD5_VALUE}" = "" ] ; then
        /bin/rm -f "${LOCAL_TAR_FILE}"
        errorExit "Failed to wget latest shared code md5 value."
    fi

if [ "x${OS}" = "xFreeBSD" ] ; then
        LOCAL_MD5_VAL=$(md5 "${LOCAL_TAR_FILE}" | awk '{ print $4 }')
    else
        LOCAL_MD5_VAL=$(md5sum "${LOCAL_TAR_FILE}" | awk '{ print $1 }')
    fi

echo "Checking tar file md5..."

if [ "${MD5_VALUE}" != "${LOCAL_MD5_VAL}" ] ; then
        /bin/rm -f "${LOCAL_TAR_FILE}"
        errorExit "Md5 mismatch for shared code! Aborting."
    fi

SHARED_CODE_DIR="${ADDONS_DIR}/webcachemgr"

if [ -d "${SHARED_CODE_DIR}" ] ; then
        echo "Removing existing shared code directory..."
        /bin/rm -rf "${SHARED_CODE_DIR}"
    fi

echo "Extracting downloaded shared code..."
    tar -xzf "${LOCAL_TAR_FILE}" -C "${ADDONS_DIR}"

RET=$?

if [ "${RET}" != "0" ] ; then
        /bin/rm -f "${LOCAL_TAR_FILE}"
        errorExit "Failed to extract tar.gz file with tar exit status ${RET}."
    fi

echo "Removing local shared code tar file..."
    /bin/rm -f "${LOCAL_TAR_FILE}"

echo "Updating lscmctl script..."
    /bin/mv -f "${ADDONS_DIR}/lscmctl" "${ADDONS_DIR}/../admin/misc/lscmctl"

echo "Done!"
}

errorExit()
{
    printf "${YELLOW}ERROR:${END_COLOR} %s\n\n" "${1}" >&2
    exit 1
}

setPanelClassName()
{
    PANEL_CLASS_NAME=''

x=$(/usr/local/cpanel/cpanel -V 2>/dev/null)

if [ "${x}" ]; then
        PANEL_CLASS_NAME='\Lsc\Wp\Panel\CPanel'
        return
    fi

x=$(/usr/sbin/plesk version 2>/dev/null)

if [ "${x}" ]; then
        PANEL_CLASS_NAME='\Lsc\Wp\Panel\Plesk'
        return
    fi

x=$(/usr/local/directadmin/directadmin v 2>/dev/null)

if [ "${x}" ]; then
        PANEL_CLASS_NAME='\Lsc\Wp\Panel\DirectAdmin'
        return
    fi

if [ -e "${LSWS_DIR}/admin/lscdata/custom" ]; then
        PANEL_CLASS_NAME='custom'
        return
    fi
}

selectPHP()
{
    if [ "${1}" = "-php" ]
    then
        if [ -x "${2}" ] ; then
            PHP_BIN="${2} -d disable_functions="
            return 2
        else
            errorExit "${2} not detected as a valid php binary."
        fi
    else
        #Use default admin php binary
        DEFAULT_PHP_BIN="${LSWS_DIR}/admin/fcgi-bin/admin_php5"
        OLS_DA_PHP_BIN="${LSWS_DIR}/admin/fcgi-bin/admin_php"

if [ ! -x "${DEFAULT_PHP_BIN}" ] ; then

if [ -x "${OLS_DA_PHP_BIN}" ] ; then
                DEFAULT_PHP_BIN="${OLS_DA_PHP_BIN}"
            else
                errorExit "Could not find default admin PHP binary."
            fi
        fi

PHP_BIN="${DEFAULT_PHP_BIN} -c ${LSWS_DIR}/add-ons/webcachemgr/shared/webcachemgr.ini"
    fi
}

if [ "${1}" = "--help" ]
then
    printHelp
    exit 0
fi

if [ "${1}" = "--update-lib" ] || [ "${1}" = "--force-update-lib" ]
then
    runUpdate "${1}"
    exit 0;
fi

enforceMinAPIVer
setPanelClassName

if [ "${PANEL_CLASS_NAME}" = '' ] ; then
    errorExit 'Supported Control Panel not detected. Aborting!'
fi

selectPHP "${1}" "${2}"

if [ $? = 2 ] ; then
    shift 2
fi

if [ $# = 0 ] ; then
    errorExit "Missing input command. Try --help for a full list of available commands with examples."
fi

$PHP_BIN "${PHP_SCRIPT}" "${PANEL_CLASS_NAME}" "${@}"

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