FROM debian:stable-slim

ARG LDAP_ADMIN_PASSWORD
ARG LDAP_DOMAIN
ARG LDAP_ORGANISATION
ARG LDAP_USER
ARG LDAP_GROUP

ENV LDAP_ADMIN_PASSWORD $LDAP_ADMIN_PASSWORD
ENV LDAP_ORGANISATION $LDAP_ORGANISATION
ENV LDAP_DOMAIN $LDAP_DOMAIN
ENV LDAP_USER $LDAP_USER
ENV LDAP_GROUP $LDAP_GROUP

RUN apt-get update -y && apt dist-upgrade -y

RUN DEBIAN_FRONTEND=noninteractive apt-get install -y slapd ldap-utils

RUN usermod -u ${LDAP_USER} openldap && \
    groupmod -g ${LDAP_GROUP} openldap

ADD slapd.sh /opt/slapd
RUN /opt/slapd

RUN slapcat -n 0 \
    |sed 's/cn: config/cn: config\nolcPasswordHash: {CRYPT}\nolcPasswordCryptSaltFormat: $6$%.16s/' \
    |sed 's/cn: module{0}/cn: module{0}\nolcModuleLoad: {0}lastbind/' > /tmp/config.ldif && \
    rm -rf /etc/ldap/slapd.d/* && \
    slapadd -n 0 -F /etc/ldap/slapd.d/ -l /tmp/config.ldif && \
    rm /tmp/config.ldif

RUN echo "dn: olcOverlay={0}lastbind, olcDatabase={1}mdb,cn=config\nobjectClass: olcLastBindConfig\nolcOverlay: {0}lastbind" \
    | slapadd -n 0


COPY ./schema/*.ldif ./schema/*.schema /etc/ldap/schema/

RUN slapadd -l /etc/ldap/schema/nextcloud.ldif

RUN chmod -R o+rw /etc/ldap/slapd.d/ && \
    chmod -R o+rwx /etc/ldap/slapd.d/cn=config/ && \
    chmod -R o+rwx /etc/ldap/slapd.d/cn=config/cn=schema/ && \
    chmod -R o+rw /var/run/slapd/

RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

ADD entrypoint.sh /entrypoint.sh

#VOLUME ["/var/lib/ldap"]

ENTRYPOINT ["/entrypoint.sh"]

EXPOSE 389

CMD ["/usr/sbin/slapd","-h", "ldap:///","-d","4"]