Hello World

utils/rm/node_modules/geoip-lite/lib/utils.js

@@ -0,0 +1,98 @@
+var utils = module.exports = {};
+
+utils.aton4 = function(a) {
+	a = a.split(/\./);
+	return ((parseInt(a[0], 10)<<24)>>>0) + ((parseInt(a[1], 10)<<16)>>>0) + ((parseInt(a[2], 10)<<8)>>>0) + (parseInt(a[3], 10)>>>0);
+};
+
+utils.aton6 = function(a) {
+	a = a.replace(/"/g, '').split(/:/);
+
+	var l = a.length - 1;
+	var i;
+
+	if (a[l] === '') {
+		a[l] = 0;
+	}
+
+	if (l < 7) {
+		a.length = 8;
+
+		for (i = l; i >= 0 && a[i] !== ''; i--) {
+			a[7-l+i] = a[i];
+		}
+	}
+
+	for (i = 0; i < 8; i++) {
+		if (!a[i]) {
+			a[i]=0;
+		} else {
+			a[i] = parseInt(a[i], 16);
+		}
+	}
+
+	var r = [];
+	for (i = 0; i<4; i++) {
+		r.push(((a[2*i]<<16) + a[2*i+1])>>>0);
+	}
+
+	return r;
+};
+
+
+utils.cmp = function(a, b) {
+	if (typeof a === 'number' && typeof b === 'number') {
+		return (a < b ? -1 : (a > b ? 1 : 0));
+	}
+
+	if (a instanceof Array && b instanceof Array) {
+		return this.cmp6(a, b);
+	}
+
+	return null;
+};
+
+utils.cmp6 = function(a, b) {
+	for (var ii = 0; ii < 2; ii++) {
+		if (a[ii] < b[ii]) {
+			return -1;
+		}
+
+		if (a[ii] > b[ii]) {
+			return 1;
+		}
+	}
+
+	return 0;
+};
+
+utils.isPrivateIP = function(addr) {
+	addr = addr.toString();
+
+	return addr.match(/^10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/) != null ||
+    addr.match(/^192\.168\.([0-9]{1,3})\.([0-9]{1,3})/) != null ||
+    addr.match(/^172\.16\.([0-9]{1,3})\.([0-9]{1,3})/) != null ||
+    addr.match(/^127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/) != null ||
+    addr.match(/^169\.254\.([0-9]{1,3})\.([0-9]{1,3})/) != null ||
+    addr.match(/^fc00:/) != null || addr.match(/^fe80:/) != null;
+};
+
+utils.ntoa4 = function(n) {
+	n = n.toString();
+	n = '' + (n>>>24&0xff) + '.' + (n>>>16&0xff) + '.' + (n>>>8&0xff) + '.' + (n&0xff);
+
+	return n;
+};
+
+utils.ntoa6 = function(n) {
+	var a = "[";
+
+	for (var i = 0; i<n.length; i++) {
+		a += (n[i]>>>16).toString(16) + ':';
+		a += (n[i]&0xffff).toString(16) + ':';
+	}
+
+	a = a.replace(/:$/, ']').replace(/:0+/g, ':').replace(/::+/, '::');
+
+	return a;
+};