jsaccess: now with dynamic file list and file name obfuscation

1 files changed, 34 insertions, 9 deletions

diff --git a/jsaccess/encrypt.sh b/jsaccess/encrypt.sh
index 9635cbb..001d994 100755
--- a/jsaccess/encrypt.sh
+++ b/jsaccess/encrypt.sh
@@ -1,15 +1,40 @@
 #!/bin/sh
 
-TMP=./jsa-encrypt.tmp
+cleanup() {
+	rm -f $tmp
+	umask $sumask
+	exit 0
+}
 
-if [ $# -ne 2 ]; then
-	echo "usage: encrypt.sh <in-file> <out-file>"
+if [ $# -ne 1 ]; then
+	echo "usage: encrypt.sh <myfile>"
 	exit 1
 fi
-in=$1
-out=$2
+myfile=$1
 
-base64 -w0 $in > $TMP
-openssl enc -e -a -aes-256-cbc -in $TMP -out $out ||exit $?
-rm $TMP
-echo "created $out OK"
+sumask=$(umask)
+umask 077
+tmp=`mktemp ./jsaXXXXXXXX`
+trap cleanup INT TERM EXIT
+
+echo -n "Enter passphrase used to encrypt: "
+read pass
+dirhash=`echo -n $pass |openssl rmd160 |cut -d' ' -f2`
+dir="jsa/files/$dirhash"
+file=`echo -n ${dirhash}${myfile} |openssl rmd160 |cut -d' ' -f2`
+echo $dir
+mkdir -p $dir
+
+base64 -w0 $myfile > $tmp
+echo -n $pass |openssl enc -e -a -aes-256-cbc -in $tmp -out $dir/$file -pass stdin ||exit $?
+echo "CREATED $dir/$file"
+
+if [ -f $dir/index.txt ]; then
+	echo -n $pass |openssl enc -d -a -aes-256-cbc -in $dir/index.txt -out $tmp -pass stdin ||exit $?
+else
+	echo > $tmp
+fi
+echo $myfile >> $tmp
+rm -f $dir/index.txt
+echo -n $pass |openssl enc -e -a -aes-256-cbc -in $tmp -out $dir/index.txt -pass stdin ||exit $?
+echo "UPDATED $dir/index.txt"