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115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
16 years ago
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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function download(sURL, sPath, verbose) {
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if (verbose) {
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WScript.StdOut.Write(" * GET " + sURL + "...");
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}
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var oResponseBody = null;
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try {
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oXMLHTTP = new ActiveXObject("MSXML2.ServerXMLHTTP");
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} catch (e) {
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WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
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": Cannot create Active-X object (" + e.description) + ").";
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WScript.Quit(1);
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}
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try {
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oXMLHTTP.open("GET", sURL, false);
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} catch (e) {
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WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
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": invalid URL.");
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WScript.Quit(1);
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}
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var sSize = "?";
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var iSize
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try {
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oXMLHTTP.send(null);
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if (oXMLHTTP.status != 200) {
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WScript.StdOut.WriteLine("[-] HTTP " + oXMLHTTP.status + " " +
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oXMLHTTP.statusText);
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WScript.Quit(1);
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}
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oResponseBody = oXMLHTTP.responseBody;
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sSize = oXMLHTTP.getResponseHeader("Content-Length");
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if (sSize != "") {
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iSize = parseInt(sSize)
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sSize = iSize.toBytes();
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} else {
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try {
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iSize = new Number(oXMLHTTP.responseText.length)
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sSize = iSize.toBytes();
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} catch(e) {
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sSize = "unknown size";
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}
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}
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} catch (e) {
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WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
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": Cannot make HTTP request (" + e.description) + ")";
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WScript.Quit(1);
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}
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if (verbose) {
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WScript.StdOut.WriteLine("ok (" + sSize + ").");
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WScript.StdOut.Write(" * Save " + sPath + "...");
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}
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try {
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var oAS = new ActiveXObject("ADODB.Stream");
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oAS.Mode = 3; // ReadWrite
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oAS.Type = 1; // 1= Binary
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oAS.Open(); // Open the stream
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oAS.Write(oResponseBody); // Write the data
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oAS.SaveToFile(sPath, 2); // Save to our destination
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oAS.Close();
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} catch(e) {
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WScript.StdOut.WriteLine("[-] ADODB.Stream " + new Number(e.number).toHex() +
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": Cannot save file (" + e.description + ")");
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WScript.Quit(1);
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}
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if (typeof(iSize) != undefined) {
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oFSO = WScript.CreateObject("Scripting.FileSystemObject")
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oFile = oFSO.GetFile(sPath)
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if (oFile.Size < iSize) {
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WScript.StdOut.WriteLine("[-] File only partially downloaded.");
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WScript.Quit(1);
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}
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}
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if (verbose) {
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WScript.StdOut.WriteLine("ok.");
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}
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}
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Number.prototype.isInt = function Number_isInt() {
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return this % 1 == 0;
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};
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Number.prototype.toBytes = function Number_toBytes() {
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// Returns a "pretty" string representation of a number of bytes:
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var aUnits = ["KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
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var sUnit = "bytes";
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var iLimit = 1;
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while(this > iLimit * 1100 && aUnits.length > 0) {
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iLimit *= 1024;
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sUnit = aUnits.shift();
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}
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return (Math.round(this * 100 / iLimit) / 100).toString() + " " + sUnit;
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};
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Number.prototype.toHex = function Number_toHex(nLength) {
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if (arguments.length == 0) nLength = 1;
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if (typeof(nLength) != "number" && !(nLength instanceof Number)) {
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throw Exception("Length must be a positive integer larger than 0.", TypeError, 0);
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}
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if (nLength < 1 || !nLength.isInt()) {
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throw Exception("Length must be a positive integer larger than 0.", "RangeError", 0);
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}
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var sResult = (this + (this < 0 ? 0x100000000 : 0)).toString(16);
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while (sResult.length < nLength) sResult = "0" + sResult;
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return sResult;
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};
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if (WScript.Arguments.length != 2) {
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WScript.StdOut.Write("Incorrect arguments to download.js")
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} else {
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download(WScript.Arguments(0), WScript.Arguments(1), false);
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}
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