#!/bin/bash

USER="$1"
HDIR="{{ r_connector_usershome }}$USER" 
# We use logger to log directly to syslog
LOG_PREFIX="r-connector rusersadd:"
# 0: allowed
# 1: not allowed
ALLOW_LOCAL_USERS=1
RPROFILE_FILE='{{ r_connector_rprofile_path }}/{{ r_connector_rprofile_filename }}'

if [ -d $HDIR ] ; then
    logger "$LOG_PREFIX user $HDIR directory exists"
    sudo /usr/bin/touch ${HDIR}/{{ r_connector_userconfig }}
    sudo /bin/chown ${USER}:{{ smartgears_user }} $HDIR/{{ r_connector_userconfig }}
    sudo /usr/bin/setfacl -m u:${USER}:rw,g:{{ smartgears_user }}:rw $HDIR/{{ r_connector_userconfig }}
    exit 0
else 
    if id -u $USER >/dev/null 2>&1
    then
        logger "$LOG_PREFIX ldap user $USER first login"
        sudo /bin/mkdir -p $HDIR
        sudo /bin/chown -R $USER $HDIR
        sudo /bin/chmod g-wr,o-rwx $HDIR
        sudo /usr/bin/touch $HDIR/{{ r_connector_userconfig }}
        sudo /bin/chmod 660 $HDIR/{{ r_connector_userconfig }}
        sudo /bin/chown $USER:{{ smartgears_user }} $HDIR/{{ r_connector_userconfig }}
        sudo /usr/bin/setfacl -m u:${USER}:rw,g:{{ smartgears_user }}:rw $HDIR/{{ r_connector_userconfig }}
        sudo /bin/chgrp {{ smartgears_user }} $HDIR
        sudo /bin/ln -s $RPROFILE_FILE $HDIR/{{ r_connector_rprofile_filename }}
        exit 0
    else
        logger "$LOG_PREFIX user $USER does not exist locally and is not an ldap user"
        if [ $ALLOW_LOCAL_USERS -eq 1 ] ; then
            logger "$LOG_PREFIX non ldap users not allowed, refusing to create the user."
            exit 1
        else
            logger "$LOG_PREFIX non ldap users allowed, adding the user $USER locally"
            sudo /usr/sbin/useradd -m -s /bin/false -g {{ smartgears_user }} $USER
            sudo /bin/chmod g+ws $HDIR
            sudo /usr/bin/touch $HDIR/{{ r_connector_userconfig }}
            sudo /bin/chmod 660 $HDIR/{{ r_connector_userconfig }}
            sudo /usr/bin/setfacl -m g:{{ smartgears_user }}:rw $HDIR/{{ r_connector_userconfig }}
            sudo /bin/chgrp -R {{ smartgears_user }} $HDIR
            sudo /bin/ln -s $RPROFILE_FILE $HDIR/{{ r_connector_rprofile_filename }}
            exit 0
        fi
    fi
fi