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#!/bin/bash

# Copyright (c) 2009 Florian Reitmeir
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

# Author: Florian Reitmeir
# E-mail: florian@reitmeir.org

base_http=http://www.example.com/pub
base_rsync=marvin.example.com:/var/www/www.example.comhtdocs/pub

usage()
{
cat << EOF
usage: $0 <src>

copy the file <src> to a server an report the URL.

OPTIONS:
   -h      Show this message
   -s      source, file/directory
   -t      test, just display the result
   -d      include directlink to src in url
EOF
}

uri_encode() {
	perl -MURI::Escape -ne 'print uri_escape($_)'
}

base64_encode() {
	perl -MMIME::Base64 -ne 'print encode_base64($_,'')'
}

get_random() {
	head -c 128 /dev/urandom | base64_encode | sed -e 's/[^a-zA-Z0-9]//g' | head -c 16
}

TEST=false
DIRECTLINK=false

while getopts "hs:td" OPTION
do
     case $OPTION in
         h)
             usage
             exit 1
             ;;
         s)
             SRC="$OPTARG"
             ;;
         t)
             TEST=true
             ;;
         d)
             DIRECTLINK=true
             ;;
         ?)
             usage
             exit
             ;;
     esac
done

if [[ -z "$SRC" ]]; then
	usage
	exit 1
fi

if [[ ! -r "$SRC" ]]; then
	echo "'$SRC' is not readable or does not exist"
	exit 2
fi

d_date=$(date +'%Y-%m-%k')
d_random=$(get_random)
d_server=$d_date'-'$d_random

rsync_args="--partial --recursive --compress"

if [[ "$DIRECTLINK" = "false" ]]; then
	d_server_http=$( echo -n "$d_server" | uri_encode )
else
	d_server_http=$( echo -n "$d_server" | uri_encode )'/'$( echo -n "$SRC" | uri_encode )
fi

http_url=$base_http"/"$d_server_http

if [[ "$TEST" = "false" ]]; then
	rsync $rsync_args "$SRC" $base_rsync"/$d_server/"
else
	echo rsync $rsync_args "$SRC" $base_rsync"/$d_server/"
fi
echo $http_url