#!/bin/sh
#
# guacctl
#
# Utility for sending Guacamole-specific console codes for controlling the SSH
# session, such as:
#
#     * Downloading files
#     * Setting the destination directory for uploads
#

fullpath() {
    FILENAME="$1"
    DIR=`dirname "$FILENAME"`
    FILE=`basename "$FILENAME"`
    (cd "$DIR" && echo "$PWD/$FILE")
}

send_download_file() {
    FILENAME="$1"
    printf "\033]482200;%s\007" "$FILENAME"
}

send_set_directory() {
    FILENAME="$1"
    printf "\033]482201;%s\007" "$FILENAME"
}

error() {
    echo "$NAME:" "$@" >&2
}

usage() {
    cat >&2 <<END
Usage:

    guacctl --download FILENAME
    guacctl --set-directory FILENAME

END
}

download_files() {

    for FILENAME in "$@"; do
        if [ -e "$FILENAME" ]; then
            send_download_file `fullpath $FILENAME`
        else
            error "$FILENAME: File does not exist."
        fi
    done

}

set_directory() {

    FILENAME="$1"
    if [ -e "$FILENAME" ]; then
        send_set_directory `fullpath "$FILENAME"`
    else
        error "$FILENAME: File does not exist or is not a directory."
    fi

}

NAME=`basename "$0"`

# Parse options
if [ "x$NAME" = "xguacget" ]; then
    download_files "$@"
elif [ "x$1" = "x--download" ]; then
    shift
    download_files "$@"
elif [ "x$1" = "x--set-directory" ]; then
    shift
    set_directory "$@"
else
    usage
    exit 1
fi