Add script to handle soft deleted mailboxes, #6113

Author: helmo

install/lib/installer_base.lib.php

@@ -3703,6 +3703,10 @@ public function install_crontab() {
 			$root_cron_jobs[] = "0 0 * * * ".$install_dir."/server/scripts/create_daily_nginx_access_logs.sh &> /dev/null";
 		}
 
+		if ($conf['services']['mail'] == 1) {
+			$root_cron_jobs[] = "30 23 * * * ".$install_dir."/server/scripts/handle_mailbox_soft_deleted.sh &> /dev/null";
+		}
+
 		foreach($root_cron_jobs as $cron_job) {
 			if(!in_array($cron_job."\n", $existing_root_cron_jobs)) {
 				$existing_root_cron_jobs[] = $cron_job."\n";

server/scripts/handle_mailbox_soft_deleted.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# Archive directories for deleted mailboxes.
+delay_days=7
+
+# Test if there is something to do... to avoid 'No such file or directory' from find later.
+ls /var/vmail/*/[a-z0-9.-]*-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9] >/dev/null 2>&1
+if [ $? != 0 ]; then
+        exit 0;
+fi
+ 
+function remove_soft_deleted_mailbox {
+        dir=$1
+
+        echo "Purging $dir"
+echo    rm -r "$dir"
+}
+
+function compress_soft_deleted_mailbox {
+        dir=$1
+
+        backupfile="${dir}.tar.bz2"
+
+        # Test if backup file already exists
+        if [ -f $backupfile ]; then
+                # Skip
+                echo "ERROR: Backupfile($backupfile) exists!" >&2
+                continue
+        fi
+
+        echo "Compressing for $dir"
+echo    tar cvfj "$backupfile" --remove-files "$dir" 2> >( grep -v "tar: Removing leading" >&2)
+}
+
+# List deleted mailboxs to archive
+# -mtime +7 ===> Only mailboxes deleted more then 7 days ago 
+# Test that the last dir component matches e.g. xxx-20220101094242 (14 digits)
+# command: xxx-`date "+%Y%m%d%H%M%S"`
+find /var/vmail/*/[a-z0-9.-]*-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]  -maxdepth 0 -type d -mtime +$delay_days | while read line; do
+        # example $line: "/var/vmail/example.com/info-20220101094242"
+
+        dir=$line
+
+        # Uncomment the desired cleanup method below, or be creative and create your own.
+
+        remove_soft_deleted_mailbox $dir
+        #compress_soft_deleted_mailbox $dir
+
+done