#  vim: set filetype=sh: #
#  $HeadURL$ $LastChangedRevision$

app_settings()
{
    OPT_VERBOSE=3
    MUTELLA_USERNAME=mutella
    MUTELLA_GROUPNAME=mutella
    MUTELLA_HOME_DIR=/var/lib/mutella
    MUTELLA_HOME_MODE=750
    MUMC_SPOOL_DIR=/var/spool/mumc
    MUMC_SPOOL_MODE=770
    MUMC_LOCK_DIR=/var/run/mumc
    MUMC_LOCK_MODE=755
    DAEMON_PROG=/usr/bin/mumc
    DAEMON_NAME=mumc
    MUTELLA_LOG_FILES="$MUTELLA_HOME_DIR/.mutella/htaccess.log $MUTELLA_HOME_DIR/.mutella/upload.log $MUTELLA_HOME_DIR/.mutella/bye.log"
    MUMC_LOG_DIR=/var/log/mumc
}

app_create_groups()
{
    create_group $MUTELLA_GROUPNAME
}

app_delete_groups()
{
    delete_group $MUTELLA_GROUPNAME
}

app_create_users()
{
    create_user $MUTELLA_USERNAME $MUTELLA_GROUPNAME $MUTELLA_HOME_DIR
}

app_delete_users()
{
    delete_user $MUTELLA_USERNAME
}

app_start_daemons()
{
    info "restarting mumc daemon as part of rollback ..."
    start-stop-daemon --start --pidfile /var/run/$NAME/$NAME.pid --startas $DAEMON -- -s
}

app_fix_perms()
{
    #  These are created by 'rules', but will get the wrong
    #  permissions.
    chown $MUTELLA_USERNAME:$MUTELLA_GROUPNAME $MUMC_SPOOL_DIR $MUMC_SPOOL_DIR/part
    chmod $MUMC_SPOOL_MODE                     $MUMC_SPOOL_DIR $MUMC_SPOOL_DIR/part
    chown $MUTELLA_USERNAME:$MUTELLA_GROUPNAME $MUMC_LOCK_DIR
    chmod $MUMC_LOCK_MODE                      $MUMC_LOCK_DIR
    chown -R $MUTELLA_USERNAME:$MUTELLA_GROUPNAME $MUTELLA_HOME_DIR
    chmod $MUTELLA_HOME_MODE                   $MUTELLA_HOME_DIR

    #  This is to correct permissions of log files created by app_initialise_log_files
    chown -R $MUTELLA_USERNAME:$MUTELLA_GROUPNAME $MUMC_LOG_DIR
}

app_initialise_log_files()
{
    for MUTELLA_LOG_FILE in $MUTELLA_LOG_FILES; do
        #  Initialise the log file so that mutella can append to it and
        #  won't get confused about whether or not to create a file when
        #  there will be a symlink, which would otherwise point to nothing.
        #  We can't put this in the package, because it may already exist
        #  and dpkg would probably refused to overwrite it.
        touch $MUMC_LOG_DIR/`basename $MUTELLA_LOG_FILE`
        #   Of course it won't belong to the right user yet, but that will
        #   be fixed in a moment when aodms calls app_fix_perms.

        #  Now link the place mutella will write to the just created log file,
        #  in order that policy and mutella are both satisfied.
        [ ! -h $MUTELLA_LOG_FILE ] || rm $MUTELLA_LOG_FILE
        [ ! -e $MUTELLA_LOG_FILE ] || aodms-error "$MUTELLA_LOG_FILE: exists and is not sym link!"
        ln -s $MUMC_LOG_DIR/`basename $MUTELLA_LOG_FILE` $MUTELLA_LOG_FILE
    done
}