docker-mailserver/target/bin/delmailuser
Georg Lauterbach 189e5376cc
Final Migration Step (#6)
* first migration steps
  * altered issue templates
  * altered README
  * removed .travis.yml
* adjusting registry & repository, Dockerfile and compose.env
* Close stale issues automatically
* Integrated CI with Github Actions (#3)
* feat: integrated ci with github actions
* fix: use secrets for docker org and update image
* docs: clarify why we use -t if no tty exists
* fix: correct remaining references to old repo
chore: prettier automatically updated markdown as well
* fix: hardcode docker org
* change testing image to just testing
* ci: add armv7 as a supported platform
* finished migration steps
* corrected linting in build-push action
* corrected linting in build-push action (2)
* minor preps for PR
* correcting push on pull request and minor details
* adjusted workflows to adhere closer to @wernerfred's diagram
* minor patches
* adjusting Dockerfile's installation of base packages
* adjusting schedule for stale issue action
* reverting license text
* improving CONTRIBUTING.md PR text
* Update CONTRIBUTING.md
* a bigger patch at the end
  * moved all scripts into one directory under target/scripts/
  * moved the quota-warning.sh script into target/scripts/ and removed empty directory /target/dovecot/scripts
  * minor fixes here and there
  * adjusted workflows for use a fully qualified name (i.e. docker.io/...)
  * improved on the Dockerfile layer count
  * corrected local tests - now they (actually) work (fine)!
  * corrected start-mailserver.sh to make use of defaults consistently
  * removed very old, deprecated variables (actually only one)
* various smaller improvements in the end
* last commit before merging #6
* rearranging variables to use alphabetic order

Co-authored-by: casperklein <casperklein@users.noreply.github.com>
Co-authored-by: Nick Pappas <radicand@users.noreply.github.com>
Co-authored-by: William Desportes <williamdes@wdes.fr>
2021-01-16 10:16:05 +01:00

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#! /bin/bash
# ? This is done to ignore the message "Make sure not to read and write
# ? the same file in the same pipeline", which is a result of ${DATABASE}
# ? being used below. (This disables the message file-wide.)
# shellcheck disable=SC2094
# shellcheck source=../scripts/helper-functions.sh
. /usr/local/bin/helper-functions.sh
DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
ALIAS_DATABASE="/tmp/docker-mailserver/postfix-virtual.cf"
QUOTA_DATABASE="/tmp/docker-mailserver/dovecot-quotas.cf"
function usage
{
echo "Usage: delmailuser <-y> <user@domain> <user2@anotherdomain> ..."
echo " -y: don't prompt for confirmations"
}
while getopts ":y" OPT
do
case ${OPT} in
y)
MAILDEL="y"
;;
\?)
usage
errex "Invalid option: -${OPTARG}"
;;
*)
usage
errex "Invalid option: -${OPTARG}"
;;
esac
done
shift $((OPTIND-1))
[[ -z ${*} ]] && { usage ; errex "No user specifed" ; }
[[ -s ${DATABASE} ]] || exit 0
# Protect config file with lock to avoid race conditions
(
flock -e 200
for USER in "${@}"
do
# very simple plausibility check
[[ ${USER} != *"@"*"."* ]] && errex "No valid address: ${USER}"
declare -a MAILARR
MAILARR[0]="${USER%@*}"
MAILARR[1]="${USER#*@}"
# XXX ${USER} must not contain /s and other syntactic characters
USER=$(escape "${USER}")
if ! sed -i "/^""${USER}""|/d" "${DATABASE}"
then
errex "${USER} couldn't be deleted in ${DATABASE}. ${?}"
fi
# Delete all aliases where the user is the only recipient( " ${USER$}" )
# Delete user only for all aliases that deliver to multiple recipients ( ",${USER}" "${USER,}" )
if sed -i -e "/ ""${USER}""$/d" \
-e "s/,""${USER}""//g" \
-e "s/""${USER}"",//g" "${ALIAS_DATABASE}"
then
echo "${USER} and potential aliases deleted." || errex "Aliases for ${USER} couldn't be deleted in ${ALIAS_DATABASE}. ${?}"
fi
# remove quota directives
if [[ -f ${QUOTA_DATABASE} ]]
then
sed -i -e "/^${USER}:.*$/d" "${QUOTA_DATABASE}" || errex "Quota for ${USER} couldn't be deleted in ${QUOTA_DATABASE}. ${?}"
fi
if [[ ${MAILDEL} != "y" ]]
then
read -r -p "Do you want to delete the mailbox as well(all mails will be removed)?(y/n) " MAILDEL
echo
fi
[[ ${MAILDEL} != "y" ]] && errex "Leaving the mailbox untouched. If you want to delete it at a later point use \"sudo docker exec mail rm -R /var/mail/${MAILARR[1]}/${MAILARR[0]}\""
if rm -r -f "/var/mail/${MAILARR[1]}/${MAILARR[0]}"
then
echo "Mailbox deleted." || errex "Mailbox couldn't be deleted: ${?}"
fi
done
) 200< "${DATABASE}"