dropbox

#!/bin/bash
#The MIT License (MIT)
#
#Copyright (c) 2014 Tommaso Leonardi, tleonardi@gmail.com
#
#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.
#


# Configure default values
DEFEMAIL="tleonardi@gmail.com"
URL="http://www.ebi.ac.uk/~tl344/dropbox"
FOLDER="/homes/tl344/public_html/dropbox"

usage()
{
cat <<EOF

Usage: $(basename "$0") [-s] [-e <email>] [-h] [-u <url>] [-f <folder>] filename

This script copies a file to an http-accessible folder, provides the URL
pointing to it (and optionally a shortened URL) and optionally sends the
the link via email.
If the filename is not specified, the input is read from stdin and saved
in the html folder 
Options:

  -s		Shorten the URL using Google APIs
  -e <email>	Email address to send the link to.
		-e . sends the email to $DEFEMAIL
  -h		Print this help screen
  -u <URL>	Base URL of the http folder
		Default: $URL
  -f <folder>	Save the file in the specified http-accessible folder.
		Default: $FOLDER
  -o <name>	Target file name
		Default: source filename or date-time.html if reading from stdin
EOF
}


ARGS=$(getopt -o "se:hu:f:no:" -n "dropbox.sh" -- "$@")

if [ $? -ne 0 ]; then
    usage
    exit 1;
fi

eval set -- "$ARGS"

# Now go through all the options
while true; do
    case "$1" in
        -s)
                SHORT=1
		shift 1
                ;;
        -e)
                if [[ -n "$2" ]]; then
                        EMAIL=$2
                        shift 2
		fi
                ;;
        -u)
                if [[ -n "$2" ]]; then
                        URL=$2
                        shift 2
                fi
                ;;
        -f)
                if [[ -n "$2" ]]; then
                        FOLDER=$2
                        shift 2
                fi
                ;;
        -h)
                usage
		exit 1
                ;;
	-o)
		if [[ -n "$2" ]]; then
			OUT=$2
			shift 2
		fi
		;;
	\?)
      		echo "Invalid option: -$OPTARG" >&2
      		exit 1
      		;;
        --) shift ; break;;
    esac
done



if [[ -n "$1" ]]; then
	# FILE provided
	FILE=$1
	if [[ ! -f $FILE ]]; then
		echo "$FILE: no such file";
		exit 1;
	fi
	#echo "Filename set: $1" >&2
	exec < $FILE
	if [[ -z "$OUT" ]]; then
		OUT=$(basename $FILE)
	fi
else 
	# From STDIN
	#echo "Filename not set: stdin" >&2
	if [[ -z "$OUT" ]]; then
		OUT=$(date +"%m_%d_%Y-%H:%M:%S.html")
	fi
fi

# This routine checks if the $OUT file already exists
# If it does, appends -1, -2... to the end of the file
if [[ -f $FOLDER/$OUT ]]; then
    EXT="${OUT##*.}"    
    # If $OUT doesn't have an extension, force EXT to an empty string
    if [[ "$OUT" = "$EXT" ]]; then
	EXT=""
    else
    	EXT=.$EXT
    fi
    BASEFILE=$(basename $OUT $EXT)

    i=1
    while [[ -e ${FOLDER}/${BASEFILE}-${i}${EXT} ]] ; do
        let i++
    done
    OUT=${BASEFILE}-${i}${EXT}
fi

cat <&0 > $FOLDER/$OUT
echo $URL/$OUT
EMAILTEXT="URL: $URL/$OUT"
if [[ -n $SHORT ]]; then
	SHORTURL=$(curl --silent https://www.googleapis.com/urlshortener/v1/url   -H 'Content-Type: application/json'   -d '{"longUrl":'"\"$URL/$OUT\""'}' | grep -Po '"id":.*?[^\\]",' | perl -pe 's/"id"://; s/^[ ]"//; s/",$//' )
	echo $SHORTURL
	EMAILTEXT="Long URL: $URL/$OUT \nShort URL: $SHORTURL"
fi

if [[ $EMAIL == '.' ]];then
	EMAIL=$DEFEMAIL;
fi

if [[ -n $EMAIL ]];then
	echo -e "$EMAILTEXT" | mail -s "Dropbox.sh: link to \"$OUT\"" $EMAIL
fi