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Fix wordpress file permissions
# This script configures WordPress file permissions based on recommendations
# from
# Original Author: Michael Conigliaro <mike [at] conigliaro [dot] org>
# Edited By: Neil Anderson <njp.anderson [at] icloud [dot] com>
# This script is provided AS-IS and no warranty is implied. You use this file
# AT YOUR OWN RISK and I cannot be held responsible if it damages, corrupts,
# deletes or otherwise compromises your server or the filesystem within it.
# Please exersize caution when running shell scripts as they may contain
# potentially destructive commands, and ONLY run them if you are confident in
# their contents and intended purpose.
if [ $# -eq 0 ]; then
echo "./ [ftp-user] [/path/to/wordpress/root]"
exit 1
WP_OWNER=$1 # <-- ftp owner
WP_GROUP=$1 # <-- ftp group
WP_ROOT=$2 # <-- wordpress root directory
WS_GROUP=www-data # <-- webserver group
# reset to safe defaults
find ${WP_ROOT} -exec chown ${WP_OWNER}:${WP_GROUP} {} \;
find ${WP_ROOT} -type d -exec chmod 755 {} \;
find ${WP_ROOT} -type f -exec chmod 644 {} \;
# allow wordpress to manage wp-config.php (but prevent world access)
chgrp ${WS_GROUP} ${WP_ROOT}/wp-config.php
chmod 660 ${WP_ROOT}/wp-config.php
# allow wordpress to manage wp-content
chgrp ${WS_GROUP} ${WP_ROOT}/wp-content
# allow wordpress to manage wp-content contents (except themes and plugins)
find ${WP_ROOT}/wp-content \( -path ${WP_ROOT}/wp-content/themes -o -path ${WP_ROOT}/wp-content/plugins \) -prune -o -exec chgrp ${WS_GROUP} {} \;
find ${WP_ROOT}/wp-content \( -path ${WP_ROOT}/wp-content/themes -o -path ${WP_ROOT}/wp-content/plugins \) -prune -o -type d -exec chmod 775 {} \;
find ${WP_ROOT}/wp-content \( -path ${WP_ROOT}/wp-content/themes -o -path ${WP_ROOT}/wp-content/plugins \) -prune -o -type f -exec chmod 775 {} \;

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njpanderson commented Apr 30, 2017

Have altered this gist from Michael Conigliaro slightly to replace the blanket write permission in wp-content with a more fine grained set of commands to avoid making themes and plugins writable, as well as editing and simplifying for my own server setup.

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