tunnel-get

#!/bin/bash

# SCP to a server using an established tunnel. 
# Complement script for tunnel-create

[ -f "$HOME/scripts/colors" ] && source $HOME/scripts/colors

USAGE="USAGE:\n\t tunnel-create $Color_Blue bounce.server.net destination.host.org$Color_Off"
USAGE+="\n\t tunnel-put $Color_Blue SOURCE DESTINATION$Color_Off $Color_Cyan[USERNAME] [TUNNEL_PORT]$Color_Off\n\n"
USAGE+="\t $Color_Blue SOURCE$Color_Off\t - absolute path to source dir on remote host (eg. /path/to/file.html).\n"
USAGE+="\t $Color_Blue DESTINATION$Color_Off\t - path to destination folder (eg. ~/some/folder).\n"
USAGE+="\t $Color_Cyan [USERNAME]$Color_Off\t - username on the destination server (default: same as local).\n"
USAGE+="\t $Color_Cyan [TUNNEL_PORT]$Color_Off\t - the port on which you created the tunnel (default: $Color_Green 1234$Color_Off).\n"
USAGE+=" EXAMPLE:\n\t tunnel-get /path/to/files/*.html ~/public_html/"
USAGE+="\n\nRun $Color_White tunnel-create$Color_Off for details on how to establish a tunnel.\n"

command -v tunnel-create >/dev/null 2>&1 || { echo -e "\n$COlor_Red ERROR:$Color_Off The tunnel-create script not found. Please install and try again.\n\n$USAGE"; exit 1; }
ps -C tunnel-create >/dev/null 2>&1 || { echo -e "\n$Color_Red ERROR:$Color_Off please establish the tunnel.\n\n$USAGE"; exit 1; }

[ -z $1 ] && { echo -e "\n$Color_Red ERROR:$Color_Off no $Color_Blue SOURCE$Color_Off.\n\n $USAGE"; exit 1; }
[ -z $2 ] && { echo -e "\n$Color_Red ERROR:$Color_Off no $Color_Blue DESTINATION$Color_Off.\n\n $USAGE"; exit 1; }

if [ -z $3 ]; then
    echo -e "$Color_Yellow WARNING:$Color_Off No $Color_Cyan USERNAME$Color_Off. Assuming $Color_Green$(whoami)$Color_Off"
    USERNAME=$(whoami)
else
    USERNAME=$3
fi

if [ -z $4 ]; then
    echo -e "$Color_Yellow WARNING:$Color_Off No $Color_Cyan TUNNEL_PORT$Color_Off Assuming $Color_Green 1234$Color_Off"
    TUNNEL_PORT=1234
else
    TUNNEL_PORT=$4
fi

# We won't be saving the key to known hosts because we always ssh into localhost, and the server may
# be different each time, so you would end up with dozens of useless, fake known_hosts entries for localhost
scp -P $TUNNEL_PORT -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $USERNAME@localhost:$1 $2