ud

directadmin-1.62.4/scripts/dovecot_compress.sh

@@ -1,99 +0,0 @@
-#!/bin/sh
-#VERSION=0.0.4
-# This script is written by Martynas Bendorius and DirectAdmin
-# It is used to gzip all emails in Maildir directory
-# Official DirectAdmin webpage: http://www.directadmin.com
-# Usage:
-# ./dovecot_compress.sh </home/user/imap/domain.com/email/Maildir>
-MYUID=`/usr/bin/id -u`
-if [ "${MYUID}" != 0 ]; then
-	echo "You require Root Access to run this script";
-	exit 0;
-fi
-
-if [ $# -lt 1 ]; then
-	echo "Usage:";
-	echo "$0 /home/user/imap/domain.com/email/Maildir";
-	echo "or"
-	echo "$0 all";
-	echo "you gave #$#: $0 $1";
-	exit 0;
-fi
-
-doCompressMaildir() {
-	MAILDIR_PATH="${1}"
-	if ! echo "${MAILDIR_PATH}" | grep -m1 -q '/Maildir$'; then
-		echo "Path does not end with /Maildir: ${MAILDIR_PATH}. skipping.."
-		continue
-	fi
-
-	if [ ! -d "${MAILDIR_PATH}/cur" ]; then
-		echo "${MAILDIR_PATH}/cur does not exist, skipping..."
-		continue
-	fi
-
-	cd "${MAILDIR_PATH}"
-	if [ $? -ne 0 ]; then
-		echo "Failed to cd to ${MAILDIR_PATH}. skipping..."
-		continue
-	fi
-
-	echo "Checking for directories in ${MAILDIR_PATH}..."
-
-	# https://wiki.dovecot.org/Plugins/Zlib
-	find . -maxdepth 2 -mindepth 1 -type d \( -name 'cur' -o -name "new" \) -print0 | while read -d $'\0' directory; do {
-		cd "${MAILDIR_PATH}/${directory}"
-		if [ $? -ne 0 ]; then
-			echo "Failed to cd to ${MAILDIR_PATH}/${directory}. Skipping..."
-			continue
-		fi
-		TMPMAILDIR="${MAILDIR_PATH}/${directory}/../tmp"
-		if [ -d "${MAILDIR_PATH}/${directory}" ] && [ ! -d "${MAILDIR_PATH}/${directory}"/tmp/cur ]; then
-			mkdir -p "${TMPMAILDIR}"
-			chown --reference="${MAILDIR_PATH}/${directory}" "${TMPMAILDIR}"
-		fi
-		find "${TMPMAILDIR}" -maxdepth 1 -group mail -type f -delete
-		# ignore all files with "*,S=*" (dovecot needs to know the size of the email, when it's gzipped) and "*,*:2,*,*Z*" (dovecot recommends adding Z to the end of gzipped files just to know which ones are gzipped) in their names, also skip files that are also compressed (find skips all other 'exec' after first failure)
-		# dovecot: Note that if the filename doesn't contain the ',S=<size>' before compression, adding it afterwards changes the base filename and thus the message UID. The safest thing to do is simply to not compress such files.
-		find . -type f -name "*,S=*" ! -name "*,*:2,*,*Z*" ! -exec gzip -t {} 2>/dev/null \; -exec sh -c "gzip --best --stdout \$1 > \"${TMPMAILDIR}\"/\$1" x {} \; -exec sh -c "chown --reference=\$1 \"${TMPMAILDIR}\"/\$1" x {} \; -exec sh -c "chmod --reference=\$1 \"${TMPMAILDIR}\"/\$1" x {} \; -exec sh -c "touch --reference=\$1 \"${TMPMAILDIR}\"/\$1" x {} \;
-		#if there are any compressed files, maildirlock the directory
-		if ! find "${TMPMAILDIR}" -maxdepth 0 -type d -empty | grep -m1 -q '\.'; then
-			echo "Size before compression: `du -sh \"${MAILDIR_PATH}/${directory}\" | awk '{print $1}'`"
-			MAILDIRLOCK=/usr/libexec/dovecot/maildirlock
-			if [ ! -x ${MAILDIRLOCK} ]; then
-				MAILDIRLOCK=/usr/lib/dovecot/maildirlock
-			fi
-			if [ ! -x ${MAILDIRLOCK} ]; then
-				echo "Unable to find ${MAILDIRLOCK}, exiting..."
-				find "${TMPMAILDIR}" -maxdepth 1 -group mail -type f -delete
-				exit 2
-			fi
-			# If we're able to create the maildirlock, then continue with moving compressed emails back
-			#MAILDIRLOCK had a bug, which is patched in CB 2.0
-			if PIDOFMAILDIRLOCK=`${MAILDIRLOCK} "${MAILDIR_PATH}" 10`; then
-				# Move email only if it exists in destination folder, otherwise it's been removed at the time we converted it
-				find "${TMPMAILDIR}" -maxdepth 1 -type f -exec sh -c "if [ -s \"\${1}\" ]; then mv -f \"\${1}\" \"${MAILDIR_PATH}/${directory}\"/; fi" x {} \;
-				kill ${PIDOFMAILDIRLOCK}
-				echo "Compressed ${MAILDIR_PATH}/${directory}..."
-				# Remove dovecot index files to have no issues with mails
-				find "${MAILDIR_PATH}" -type f -name dovecot.index\* -delete
-				echo "Size after compression: `du -sh \"${MAILDIR_PATH}/${directory}\" | awk '{print $1}'`"
-			else
-				echo "Failed to lock: ${MAILDIR_PATH}" >&2
-				find "${TMPMAILDIR}" -maxdepth 1 -group mail -type f -delete
-			fi
-		fi
-	};
-	done
-}
-
-if [ "${1}" = "all" ]; then
-	cat /etc/virtual/*/passwd | cut -d: -f6 | sort | uniq | while read line; do {
-		doCompressMaildir "${line}/Maildir"
-	}
-	done
-else
-	doCompressMaildir "${1}"
-fi
-
-exit 0