Current File : //proc/thread-self/root/usr/local/sbin/wpfix
#!/bin/bash
replace_default_f() {
log "Replacing the WordPress default files..."
wget -c https://wordpress.org/latest.tar.gz -O - | tar -xz
# Create rollback for default files.
def_f_rollback=default_f_pre-restore.tar.gz
def_wp_f=$(find wordpress/ -type f | sed s/wordpress/\./)
# Back up the default files that are being replaced, and replace them.
tar -zcf $def_f_rollback $def_wp_f && rsync -r wordpress/* ./ && rm -rf wordpress
}
rollback_defaut_f() {
tar -zxf $def_f_rollback
rm -v $def_f_rollback
}
enable_plugins() {
for p in $@; do
mv ${p}_$rnd_str $p
done
}
disable_plugins() {
for p in $@; do
mv $p ${p}_$rnd_str
done
}
check_plugins() {
# Create a list of plugins directories for enabling and disabling.
local mv_plugins_list=()
for (( pi=0, p=$1; $p < $2; (( ++p, ++pi )) )); do
mv_plugins_list+=( ${inst_plugin_dirs[$p]} )
done
enable_plugins ${mv_plugins_list[@]}
check_if_ok;
disable_plugins ${mv_plugins_list[@]}
}
check_if_ok() {
sleep 10s;
w='';
w=$(curl -sLD - -o /dev/null -w "%{url_effective}" $URL | grep -P "(?<=HTTP/1.1 )(\d+)" -o | tail -n 1);
sleep 10s;
}
log() {
echo $@ | tee -a $LOGFILE
}
exit_and_clean() {
rm -f "${db_cfg}"
exit $1
}
rnd_str=$(date +%d-%m-%Y_%H.%M.%S);
wp=/usr/local/sbin/wp
php=/opt/cpanel/ea-php72/root/usr/bin/php
PATH="/opt/cpanel/ea-php72/root/usr/bin:${PATH}"
DOCROOT=$1
DOMAIN=$2
ACTION=$3
DIR=$4
URL=$(echo $5 | sed -E "s/https?\:\/\///g")
TEST_PLUGINS=$6
[[ $DIR == "--nodir--" ]] && DIR=''
[[ $URL == "--nourl--" ]] && unset URL
CWD_TO="${DOCROOT}/${DIR}"
if [[ -d $CWD_TO ]]; then
log "Change work dir to the ${CWD_TO}";
cd ${CWD_TO}
else
log "Error. Directory ${CWD_TO} does not exist. Abording."
exit_and_clean
fi
LOGFILE="$CWD_TO/wpfix_${rnd_str}.log"
if [[ -f ${CWD_TO}/wp-config.php ]]; then
db_cfg="myWpFix.cnf";
db_name=$(grep "define( 'DB_NAME', '.*' );" wp-config.php | cut -d' ' -f 3 | tr -d "'");
db_user=$(grep "define( 'DB_USER', '.*' );" wp-config.php | cut -d' ' -f 3 | tr -d "'");
db_pas=$(grep "define( 'DB_PASSWORD', '.*' );" wp-config.php | cut -d' ' -f 3 | tr -d "'");
tpref=$(grep "\$table_prefix = '.*'" wp-config.php | grep -oP "\'.+\'" | grep -oP "[\w\d_]*");
wpoptions=$tpref"options";
def_theme="twentytwenty";
else
log "Error. File ${CWD_TO}/wp-config.php does not exist. Abording."
exit_and_clean
fi
echo -e "[client]\nuser=$db_user\npassword=$db_pas" > $db_cfg;
[[ -z $URL ]] && URL="$(mysql --defaults-extra-file=$db_cfg $db_name -e "select option_value from ${tpref}options where option_name='siteurl';" | grep http || echo $DOMAIN)"
if [ ${ACTION} != "fix" ]; then
unset ACTION
log "Checking... ${URL} ${CWD_TO} log file location ${LOGFILE}";
else
log "Working on ${ACTION}, ${URL} ${DOCROOT} log file location ${LOGFILE}";
fi
if [ "$URL" == '' ]; then
log "Error, target link/URL is missing.";
exit_and_clean 1;
fi
check_if_ok;
if [ "$w" == "200" ]; then
log "The return code is 200 OK, aborting.";
exit_and_clean 0;
fi
# Check permissions.
log "Checking permissions...";
chmod 750 ./;
find ./ -type f -not -perm 644 -not -name ".ftpquota" -exec chmod 644 -c {} \; ; find ./ -type d -not -perm 755 -not -group nobody -exec chmod 755 -c {} \;
check_if_ok;
if [ "$w" != "200" ]; then
log "The error is still here.";
else
log "The error is gone, it was caused by incorrect files/folders permissions.";
exit_and_clean 0;
fi
# Check .htaccess.
log "Renaming .htaccess.";
mv .htaccess .htaccess_$rnd_str;
check_if_ok;
if [ "$w" != "200" ]; then
log "The error is still here, renaming .htaccess back.";
mv .htaccess_$rnd_str .htaccess;
else
log "The error is gone, it was caused by .htaccess.";
if [ -z ${ACTION} ]; then
log "The -f parameter has not been provided. Renaming .htaccess back."
mv .htaccess_$rnd_str .htaccess;
fi
exit_and_clean 0;
fi
# Check default files.
replace_default_f
check_if_ok;
if [ "$w" == "200" ]; then
log "The error is gone, it was caused by an error in one of the default files.";
if [[ -z $ACTION ]]; then
log "The -f parameter has not been provided, restoring the previous default files."
rollback_defaut_f
else
rm -v $def_f_rollback
fi
exit_and_clean 0;
else
log "Replacing the default files did not help.";
tar -zxf $def_f_rollback
rm -v $def_f_rollback
fi
# Check plugins
if [[ $TEST_PLUGINS ]]; then
for p in $(find wp-content/plugins/ -maxdepth 1 -type d | tail -n +2); do
inst_plugin_dirs+=($p)
inst_plugin_names+=( $(echo $p | rev | cut -d/ -f1 | rev) )
done;
log "Currently installed plugins: ${inst_plugin_names[@]}"
log "Disabling all plugins."
disable_plugins ${inst_plugin_dirs[@]}
check_if_ok;
if [ "$w" == "200" ]; then
log "The error is gone, it was caused by one of the installed plugins";
plugins_err=1;
else
log "Disabling of the plugins did not help.";
plugins_err=0;
fi
# If the error is caused by plugins, find which plugins specifically are causing the error
if [[ $plugins_err -eq 1 ]]; then
log "Looking for broken plugins. This may take a while..."
# Array of index range of plugins with errors.
min_max_indexes=( 0 ${#inst_plugin_dirs[@]} )
# Keep looking for pluings with errors as long as there is a range of indexes of plugins with errors.
while [[ -n "${min_max_indexes[@]}" ]]; do
# Get the minimum, maximum and the middle point values of the last available index range.
min=${min_max_indexes[ $(echo $(( ${#min_max_indexes[@]} - 2 )) ) ]}
max=${min_max_indexes[ $(echo $(( ${#min_max_indexes[@]} - 1 )) ) ]}
pivot=$(( $(( $min + $(( $max - $min )) / 2)) ))
# Remove the latest index range.
unset min_max_indexes[$(echo $(( ${#min_max_indexes[@]} - 1 )) )]
unset min_max_indexes[$(echo $(( ${#min_max_indexes[@]} - 1 )) )]
# Enable the selected range of plugins, and theck for the error.
# If the error is not present, then the current range of indexes can be discarded.
check_plugins $min $max
if [[ "$w" != "200" ]]; then
# If the error is present, and minimal index is equal to the middle point, then the range of indexes was narrowed down to a single plugin.
# Add the plugin index to the array of plugin indexes with errors.
if [[ $min -eq $pivot ]]; then
err_plug_i+=($pivot)
# If the minimal index is less than the middle point, then there are more than one plugins in the index range.
# Add the current range of indexes as two ranges.
else
min_max_indexes+=($min $pivot $pivot $max)
fi
fi
done
for (( i=0; $i < ${#err_plug_i[@]}; (( ++i )) )); do
broken_plugin_dirs+=( $(echo ${inst_plugin_dirs[ ${err_plug_i[$i]} ]}) )
broken_plugins+=( $(echo "${inst_plugin_dirs[ ${err_plug_i[$i]} ]}" | rev | cut -d/ -f1 | rev) )
done
log "Broken plugins: ${broken_plugins[@]}"
if [[ -n "${ACTION}" ]]; then
log "Disabling broken plugins."
enable_plugins ${inst_plugin_dirs[@]}
disable_plugins ${broken_plugin_dirs[@]}
exit_and_clean 0;
fi
fi
if [ -z ${ACTION} ] || [ $plugins_err -eq 0 ]; then
log "Restoring plugins to ${inst_plugin_names[@]}"
enable_plugins ${inst_plugin_dirs[@]}
if [[ $plugins_err -eq 1 ]]; then
exit_and_clean;
fi
fi
fi
# Check the current theme
cur_theme=$(mysql --defaults-extra-file=$db_cfg $db_name -e "select option_value from $wpoptions where option_name='stylesheet';" | tail -n +2);
log "Changing the current $cur_theme theme to $def_theme.";
mysql --defaults-extra-file=$db_cfg $db_name -e "update $wpoptions set option_value='$def_theme' where option_name='template' or option_name='stylesheet';"
check_if_ok;
if [ "$w" == "200" ]; then
log "The error is gone, it was caused by the $cur_theme theme.";
if [ -z ${ACTION} ]; then
log "The -f paramenter has not been provided. Changing the theme back to $cur_theme.";
mysql --defaults-extra-file=$db_cfg $db_name -e "update $wpoptions set option_value='$cur_theme' where option_name='template' or option_name='stylesheet';"
fi
else
log "Let's disable everything.";
log "Disabling theme..."
log "Disabling .htaccess..."
mv .htaccess .htaccess_$rnd_str;
replace_default_f
if [[ $TEST_PLUGINS ]]; then
log "Disabling all plugins..."
disable_plugins ${inst_plugin_dirs[@]}
fi
check_if_ok;
if [ "$w" == "200" ]; then
log "The error is gone."
log "Multiple points of failure are present."
if [ -z ${ACTION} ]; then
log "The -f paramenter has not been provided. Reversing the changes.";
mv .htaccess_$rnd_str .htaccess
rollback_defaut_f
if [[ $TEST_PLUGINS ]]; then
enable_plugins ${inst_plugin_dirs[@]}
fi
log "Changing the $def_theme theme back to $cur_theme.";
mysql --defaults-extra-file=$db_cfg $db_name -e "update $wpoptions set option_value='$cur_theme' where option_name='template' or option_name='stylesheet';"
fi
else
log "Nope, it didn't work. Reversing the changes.";
mv .htaccess_$rnd_str .htaccess
rollback_defaut_f
if [[ $TEST_PLUGINS ]]; then
enable_plugins ${inst_plugin_dirs[@]}
fi
log "Changing the $def_theme theme back to $cur_theme.";
mysql --defaults-extra-file=$db_cfg $db_name -e "update $wpoptions set option_value='$cur_theme' where option_name='template' or option_name='stylesheet';"
log "Try resetting CageFS, disabling ModSecurity.";
log "If none of that works, send to web developer; or check with SME first and then send to web developer.";
fi
fi
rm $db_cfg
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