client/upload: Create .tar.xz transparently if given path is dir

client/upload

@@ -10,7 +10,7 @@ set -e
 set -u
 load_config
 
-[ ! -f "$1" ] && echo "File $1 does not exist" && exit 1
+[ ! -e "$1" ] && echo "Path $1 does not exist" && exit 1
 
 
 random=$(pwgen -s -n 25)
@@ -26,18 +26,32 @@ if [ $# -eq 3 ] ; then
 	fi
 fi
 ssh $UPLOADER_SSH_SERVER mkdir $UPLOADER_UPLOAD_DIR/$random
-name=$( basename "$1" )
+
+BASENAME=$( basename "$1" )
 
 if [ $PLAIN -eq 1 ] ; then
-	scp -r "$1" $UPLOADER_SSH_SERVER:$UPLOADER_UPLOAD_DIR/$random/$name
-	echo "$UPLOADER_URL_PREFIX/$random/$name"
+	scp -r "$1" $UPLOADER_SSH_SERVER:$UPLOADER_UPLOAD_DIR/$random/$BASENAME
+	echo "$UPLOADER_URL_PREFIX/$random/$BASENAME"
 else
 	KEYBASE=$(openssl rand -base64 32)
 	KEYASHEX=$(echo -n $KEYBASE | base64 -d | xxd -p -c 10000) # linebreak after 10000 chars. i.e. never
-	cat "$1" | openssl enc -aes-256-cbc -K "$KEYASHEX" -iv $(printf '0%.0s' {1..32}) |  # print '0' 32 times = 16 bytes as hex
-		ssh $UPLOADER_SSH_SERVER "cat > $UPLOADER_UPLOAD_DIR/$random/"$name"_enc"
+
+	UPLOADED_NAME="$BASENAME"
+	FSNAME="$BASENAME"_enc
+	PIPER="cat $1"
+	MIMETYPE=""
+	if [ -d "$1" ] ; then
+		PIPER="tar cJf - $1"
+		MIMETYPE="application/x-xz"
+		UPLOADED_NAME="$BASENAME".tar.xz
+		FSNAME="$UPLOADED_NAME"_enc
+	else
 		MIMETYPE=$(file -i "$1" | awk '{print $2}' | sed -e 's/;//g' )
-	echo "$UPLOADER_URL_PREFIX#$random/"$name"_enc:$KEYBASE:$MIMETYPE:$name"
+	fi
+
+	$PIPER | openssl enc -aes-256-cbc -K "$KEYASHEX" -iv $(printf '0%.0s' {1..32}) |  # print '0' 32 times = 16 bytes as hex
+		ssh $UPLOADER_SSH_SERVER "cat > $UPLOADER_UPLOAD_DIR/$random/$FSNAME"
+	echo "$UPLOADER_URL_PREFIX#$random/$FSNAME:$KEYBASE:$MIMETYPE:$UPLOADED_NAME"
 fi
 
 ssh $UPLOADER_SSH_SERVER chown -R $UPLOADER_FILE_OWNER $UPLOADER_UPLOAD_DIR/$random/