Command line decompressor

Author: binarymax

Diff for: zip2bash.js

@@ -0,0 +1,73 @@
+#!/usr/bin/env node
+
+/**************************************************************************************
+*
+* Command line URL pic zip decompressor. Use it like this:
+*
+* echo "/bash.html?zip=eDdyMjV4OGUxeDdyNnc4cjExeDhlMXg3cjd3NnIxMng4ZTF4N3I4dzRyMTN4OGUxeDdyOHc0cjEzeDhlMXg3cjh3NHIxM3g4ZTF4N3I4dzRyMTN4OGUxeDdyOHc0cjEzeDhlMXg3cjh3NHIxM3g4ZTF4N3I4dzRyMTN4OGUxeDdyOHc0cjEzeDhlMXg3cjh3NHIxM3g4ZTF4N3I4dzRyMTN4OGUxeDdyOHc0cjEzeDhlMXg3cjh3NHIxM3g4ZTF4N3I4dzRyMTN4OGUxeDdyOHc0cjEzeDhlMXg3cjh3NHIxM3g4ZTF4N3I4dzRyN3cxcjV4OGUxeDdyOHc0cjZ3MnI1eDhlMXg3cjd3MTNyNXg4ZTF4N3I2dzE0cjV4OGUxeDdyMjV4OA==" | xargs ./zip2bash.js | bash
+*
+**************************************************************************************/
+
+//base64 parse
+function atob(str) {
+	return new Buffer(str, 'base64').toString('binary');
+}
+
+//Decompress the zip in the querystring
+var decompress = function(url) {
+	var rqs = /[?|&]zip=([^&]*)/;
+	var rsp = /([a-z]\d*)/;
+	var exe = rqs.exec(url);
+	var pic = [];
+	if (exe && exe.length>1) {
+		var zip = decodeURIComponent(exe[1]);
+		var tmp = [];
+		try { 
+			zip = atob(zip);
+			tmp = zip.split(rsp);
+			for(var i=0,l=tmp.length;i<l;i++) if(tmp[i].length) pic.push(tmp[i]);
+		} catch (ex) {}
+	}
+	return pic;
+};
+
+//parse and return the image script
+var parse = function(url) {
+
+	var img = decompress(url).join(' ');
+
+	return `
+		#Background Colors
+		E=$(tput sgr0);    R=$(tput setab 1); G=$(tput setab 2); Y=$(tput setab 3);
+		B=$(tput setab 4); M=$(tput setab 5); C=$(tput setab 6); W=$(tput setab 7);
+		function e() { echo -e "$E"; }
+		function x() { echo -n "$E  "; }
+		function r() { echo -n "$R  "; }
+		function g() { echo -n "$G  "; }
+		function y() { echo -n "$Y  "; }
+		function b() { echo -n "$B  "; }
+		function m() { echo -n "$M  "; }
+		function c() { echo -n "$C  "; }
+		function w() { echo -n "$W  "; }
+
+		#putpixels
+		function u() { 
+		    h="$*";o=$\{h:0:1};v=$\{h:1}; 
+		    for i in \`seq $v\` 
+		    do 
+		        $o;
+		    done 
+		}
+
+		img="${img}"
+
+		for n in $img
+		do
+		    u $n
+		done
+		e;
+		exit 0;
+	`;
+};
+
+console.log(parse(process.argv[2]));