#!/bin/sh

# This script will convert UR1 user sesame into UR1 user mail
# The first argument should be a file with a uid by line !
#   OR a USER sesame (id).

# Dependancies:
# ldapsearch (provide by ldap-utils on GNU/Linux)

if [ -f "${1}" ]; then

	UID_LIST="${1}"
	MAIL_LIST="${UID_LIST}_mail"

	printf '%b' "Convert the list of ID in **${UID_LIST}** to mail\n"

	touch "${MAIL_LIST}"

	index=0
	while read -r uid; do
		index=$((index+1))
		mail=$(ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(uid='"${uid}"')' -b "dc=univ-rennes1,dc=fr" -x mail | grep "^mail" | cut -d" " -f2)

		printf '%b' "${mail}\n" >> "${MAIL_LIST}"

	done < "${UID_LIST}"

	printf '%b' "Please see ${MAIL_LIST} file\n"

else
	USER_ID="${1}"

	printf '%b' "This sesame correspond to :\n"
	ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(uid='"${USER_ID}"')' -b "dc=univ-rennes1,dc=fr" -x mail | grep "^mail" | cut -d" " -f2
fi


exit 0