Die for wp-login and xmlrpc

#!/bin/bash

# WordPress Security hardener script for non-membership blogs w/o password protected pages. Prevent execution of wp-login.php and xmlrpc.php
# How to login? Simply copy original wp-login.php to random filename, rename wp-login.php to new filename inside and use it to login to WP

BASE_WPS_PATH="/home/user/public_html" # define base account PATH
WP_DIRS=(site1 site2 site3) # enter directory names for WP installations
WPS_LOG_FILE="wps_hardening.log" # log filename

DATE=$( date +%Y-%m-%dT%TZ%z )
echo "$DATE Protection check started..." >>"$BASE_WPS_PATH/wpl_guardian.log"

for WP_DIR_PATH in ${WP_DIRS[@]}
do

    # WP-LOGIN
    # Define full file path to protect
    FILE_PATH="$BASE_WPS_PATH/$WP_DIR_PATH/wp-login.php"

    # Check does file exists
    if [ -f "$FILE_PATH" ]; then
        # Check if file does not have protection
        if ! grep -Fxq '<?php die(); ?>' $FILE_PATH
            then
                # Log protection action
                echo "$DATE Protected $FILE_PATH" >>"$BASE_WPS_PATH/$WPS_LOG_FILE"
                # Now protect file
                sed -i '1s/^/<?php die(); ?>\n/' $FILE_PATH
        fi
    fi

    # XML-RPC
    # Define full file path to protect
    FILE_PATH="$BASE_WPS_PATH/$WP_DIR_PATH/xmlrpc.php"

    # Check does file exists
    if [ -f "$FILE_PATH" ]; then
        # Check if file does not have protection
        if ! grep -Fxq '<?php die(); ?>' $FILE_PATH
            then
                # Log protection action
                echo "$DATE Protected $FILE_PATH" >>"$BASE_WPS_PATH/$WPS_LOG_FILE"
                # Now protect file
                sed -i '1s/^/<?php die(); ?>\n/' $FILE_PATH
        fi
    fi

done

echo "$DATE Protection check finished." >>"$BASE_WPS_PATH/$WPS_LOG_FILE"
echo "- - - - - - -" >>"$BASE_WPS_PATH/$WPS_LOG_FILE"