wordpress-tools/local/bin/wp-verify-checksums.sh

#!/bin/bash
#
# wordpress-tools
# https://git.stack-source.com/msb/wordpress-tools
# Copyright (c) 2023 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>\
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

# must be root, will su to vhost users for wp cron runs
if [[ "$USER" != "root" ]]; then
  exec sudo $0
fi

# add -v command line option for verbose mode, which can show many non-error warnings
# otherwise script runs in quiet mode which only outputs hard failures

# create virtualhostArray listing all virtualhost on the server
cd /srv/www
virtualhostArray=(`ls -1|grep -v ^html$`)

for VHOST in "${virtualhostArray[@]}"
do
  # basic check for WP install
  if [[ -f /srv/www/$VHOST/html/wp-config.php ]]; then
    VHOST_USER=$(stat -c '%U' /srv/www/$VHOST)
    # confirm that WP really is installed
    if $(timeout 5 su -c "wp core is-installed --path=/srv/www/$VHOST/html/" $VHOST_USER); then
      # run verify-checksums for VHOST as VHOST_USER
      if [[ $1 = '-v' ]]; then
        echo
        echo "running verify-checksums on $VHOST"
        timeout 10 su -c "/usr/local/bin/wp core verify-checksums --include-root --path=/srv/www/$VHOST/html/" $VHOST_USER || echo -e "\e\033[01;31mFailure:\e\033[m $VHOST failed verification"
      else
        timeout 10 su -c "/usr/local/bin/wp core verify-checksums --include-root --path=/srv/www/$VHOST/html/ --quiet" $VHOST_USER || echo -e "\e\033[01;31mFailure:\e\033[m $VHOST failed verification"
      fi
    else
      echo "NOTICE: wp core is-installed failed for $VHOST (user $VHOST_USER)"
    fi
  fi
done