php-defaults/sessionclean
2015-07-13 18:12:46 +02:00

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#!/bin/sh -e
SAPIS="apache2:apache2\napache2filter:apache2\ncgi:php5\nfpm:php5-fpm\n"
# Iterate through all web SAPIs
(
for version in $(/usr/sbin/phpquery -V); do
proc_names=""
printf "$SAPIS" | \
while IFS=: read -r conf_dir proc_name; do
if [ -e /etc/php5/${version}/${conf_dir}/php.ini ]; then
# Get all session variables once so we don't need to start PHP to get each config option
session_config=$(php5 -c /etc/php5/${version}/${conf_dir}/php.ini -d "error_reporting='~E_ALL'" -r 'foreach(ini_get_all("session") as $k => $v) echo "$k=".$v["local_value"]."\n";')
save_handler=$(echo "$session_config" | sed -ne 's/^session\.save_handler=\(.*\)$/\1/p')
save_path=$(echo "$session_config" | sed -ne 's/^session\.save_path=\(.*;\)\?\(.*\)$/\2/p')
gc_maxlifetime=$(($(echo "$session_config" | sed -ne 's/^session\.gc_maxlifetime=\(.*\)$/\1/p')/60))
if [ "$save_handler" = "files" -a -d "$save_path" ]; then
proc_names="$proc_names $proc_name";
printf "%s:%s\n" "$save_path" "$gc_maxlifetime"
fi
fi
done
done
# first find all open session files and touch them (hope it's not massive amount of files)
for pid in $(pidof $proc_names); do
find "/proc/$pid/fd" -ignore_readdir_race -lname "$save_path/sess_\*" -exec touch -c {} \;
done ) | \
sort -rn -t: -k2,2 | \
sort -u -t: -k 1,1 | \
while IFS=: read -r save_path gc_maxlifetime; do
# find all files older then maxlifetime and delete them
find -O3 "$save_path/" -depth -ignore_readdir_race -mindepth 1 -name 'sess_*' -type f -cmin "+$gc_maxlifetime" -delete
done
exit 0