code-library/Graphics/image-anonymizer/image-anonymizer.sh

#!/bin/bash

# CONFIGURATION
VERSION="0.1"
TITLE="Image anonymizer"

# ASSETS
GUIPATH=$(dirname "$0")
GUIPATH="$GUIPATH/gui" 
GUIPATH=$(cd "$GUIPATH" && pwd)
if [[ -z "$GUIPATH" ]] ; then
  echo "For some reason, the path is not accessible."
  exit 1
fi

BASH=$(bash --version | head -1 | awk '{print $4}' | cut -d'(' -f1)
IM=$(convert -version | head -1 | awk '{print $3}' | cut -d'-' -f1)
EXIFTOOL=$(exiftool -ver)
OPTIPNG=$(optipng -version | head -1 | awk '{print $3}')
DIALOG=$(zenity --version)

# FUNCTIONS
zenexit() {
	zenity --window-icon="$GUIPATH/tux.png" \
		--width="200" \
		--title="$TITLE" \
		--error \
		--text="Operation canceled.\nThank you for using $TITLE." \
		2> /dev/null
	rm -f "$HTML"
	exit 1
}
zenstart() {
	zenity --window-icon="$GUIPATH/tux.png" \
		--title="$TITLE" \
		--width="600" --height="400" \
		--text-info \
		--html \
		--filename="$HTML" \
		--cancel-label="I don't care" \
		--ok-label="Choose a directory" \
		2> /dev/null
}
zendir() {
	DIR=$(zenity --window-icon="$GUIPATH/tux.png" --title="$TITLE" --file-selection --directory 2> /dev/null)
}
zenend() {
	zenity --window-icon="$GUIPATH/tux.png" \
		--title="$TITLE" \
		--width="800" --height="600" \
		--text-info \
		--html \
		--filename="$HTML" \
		--cancel-label="Restart" \
		--ok-label="Exit" \
		2> /dev/null
	
	rm -f "$HTML"
}
zenjob() {
	zenity --window-icon="$GUIPATH/tux.png" \
		--title="$TITLE" \
		--progress \
		--width="600" \
		--percentage=0 \
		--cancel-label="Stop everything" \
		--ok-label="What happened?" \
		2> /dev/null
}

# MAIN
HTML="/tmp/ianon.html.$RANDOM"
cat "$GUIPATH/top.tpl" > $HTML
cat "$GUIPATH/start.tpl" \
	| sed s/'{VERSION}'/"$VERSION"/g \
	| sed s/'{BASH}'/"$BASH"/g \
	| sed s/'{DIALOG}'/"$DIALOG"/g \
	| sed s/'{IM}'/"$IM"/g \
	| sed s/'{EXIFTOOL}'/"$EXIFTOOL"/g \
	| sed s/'{OPTIPNG}'/"$OPTIPNG"/g \
	>> $HTML
cat "$GUIPATH/bottom.tpl" >> $HTML

zenstart
ZENSTART=$?
if [ "$ZENSTART" -eq 0 ]
then
  zendir
	ZENDIR=$?

	if [ "$ZENDIR" -eq 0 ]
	then
		cd $DIR;
		
		cat "$GUIPATH/top.tpl" > $HTML
		echo "<h2>Thank you for using "$TITLE".</h2>" >> $HTML
		(
			P=0
			for F in *;
			do
					identify -quiet "$F" &> /dev/null
					if [ "$?" -eq 0 ]
					then
						N=$(md5sum "$F" | awk '{print $1}')
						N="$N.anon.png"

						OLDTYPE=$(file "$F" | cut -d':' -f2)
						OLDTYPE=$(echo $OLDTYPE | sed 's/ *$//g')
						if [ ${#OLDTYPE} -gt 64 ]
						then
							OLDTYPE="${OLDTYPE:0:61}..."
						fi

						# This is the important part of the script!
						convert "$F" "$N" &> /dev/null
						exiftool -overwrite_original -q -all= "$N" &> /dev/null
						optipng --silent "$N" &> /dev/null
						
						OLDSIZE=$(ls -lah "$F" | awk '{print $5}')
						NEWSIZE=$(ls -lah "$N" | awk '{print $5}')
						
						OLDNAME="$F"
						if [ ${#OLDNAME} -gt 24 ]
						then
							OLDNAME="${OLDNAME:0:21}..."
						fi

						P=$(($P + 10))
						echo "$P"
						echo "# $OLDNAME ($OLDSIZE) $OLDTYPE"
						echo "<p>&larr; <b>$F</b> ($OLDSIZE)<br>	&bull; $OLDTYPE<br>&rarr; <b>$N</b> ($NEWSIZE)" >> $HTML
				fi
			done
			echo "100"
			echo "# Thats' all folks!"
		) | zenjob 

		if [ "$?" -eq 1 ]
		then zenexit
		fi
	fi
	if [ "$ZENDIR" -eq 1 ]
	then zenexit
	fi
	cat "$GUIPATH/bottom.tpl" >> $HTML
	zenend
	ZENEND=$?
	if [ "$ZENEND" -eq 1 ]
	then exit
	fi
	if [ "$ZENEND" -eq 0 ]
	then 
		cd "$GUIPATH"
		exec ../$(basename $0) && exit
	fi
fi

if [ "$ZENSTART" -eq 1 ]
then zenexit
fi