google book downloder scrip

// ==UserScript==
// @name Google Book Downloader
// @namespace http://userscripts.org/scripts/show/24984
// @description Download any book from books.google.com
// @include http://books.google.*
// @include http://www.google.com/books/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
// @version 2.3
// ==/UserScript==

var debug = 0;
var conlose;

Array.prototype.inArray = function (value,begin) {
var begin = (begin)?begin:0;
for (var i=begin; i < this.length; i++) {
if (this[i] === value) {
return i;
}
}
return -1;
};

$.fn.replace = function(o) { return this.after(o).remove(); };


var log = function(obj) {
if (debug)
{
if (!console)
{
console = unsafeWindow.console;
}

console.log(obj);
}
}

var GBD = {
// script version
version : '2.3',

// page width
pageWidth : 800,

// page source
pageSource : null,

// link prefix
prefix : '',

PIDs : new Array(),
viewedPIDs : new Array(),
totalPIDs : 0,

currentIndex : -1,
firstIndex : -1,
lastIndex : -1,

stop : false,

icons : {
downloadPage : 'data:image/png;base64,'+
'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAEnUlEQVRYw+2XS4wUVRSGv3O7uumenmHQYRRBBSM+MZIoEqNGcGFCIpqAMT5WxgfGuBET0BVLg5iIMdGFji50Y1ywEBfGBQk+I4FoIgmC'+
'iOgojI7DMPY8quree46L6kaYYWQaTNh4k1NVuXVT57//+c+5p8TMOJ/DcZ7H/wCSyRNPvfT2CmALsPw/+P4EsPbNF574uDUxRXNmdoqt29x39Lsf+y1GNQvhnG3d5r7xdZv7Vk3n73QhmJe7Wby9cy8A'+
'j/XtYNO2rzEgVTvFJqIy5iOjuWckzRgen2CoMcYfIw0GhkcAePS+lTVg28kgzqiBkbEMmkzduvhiblzYO2WNmaFqmClRFVVF40nPqgAMNIyn195dA7bNGIBIYcWzTFk0E+cxFgCG04xxSwBqMwZgJy4g'+
'BnIWztUKABqULGh7aVjsvnhlIi0sbTlXtRMuRNpIQwA1QylQP7niuhPztZKDEjQvMxqKov9S7k8LoLXTR974mEYaWdTbhRNBHDgczk0KC6BaODMtNnB4sEFXtcSd112GtQ1AjajGHddeRuoDF3V1NIUp'+
'yIkQSRElLSCYFUCK/IYrLuqmWk6Iapi2CSCo4aMiIkRVgupUACJIbAl2KoCoio+KmRHaBRBVyYOy8d6bz6kOf/DlQ4xnR+gfjFy7xPPK9lt+AK46MwPR8DEC0Gg0cK79M0tVSf1R1tz2Dnn8i5G/Gmzf'+
'vaF3Rgx4VVIfT5lL05ShoaEzOq7X68yZM6cpZhhofM6x9Buy0e42NBAj2SQA1WqVBQsWtM2EiEMQpB0N+GBk3p8zAwULimFMV42mYUDJw3/BgBVVEUVKbTCQByPP9ZwYyMMYSalGsBSNHlwAKG39aHlp'+
'/epd8YwizGP7DGS+wY59zzOy/xCVpINLe5eRhkGCesxGuHze0s7+378LWz9a3uqWFrrpSrE1j1NVndLFTGeJqxI1Z9niZ1i17GXq3RWy8AdqnvHwJxf0dPDgitdYumgNwLfAsUQmiWPd5r6isgHZ7u1k'+
'v/9M0tUz46jforfz2cG3yGwtwU0Q4hjBArmmOD/GnoMfcKD/00ERHli/elc8bQg6axU6ahWkXiO5EEodXTMG0MMl3JyW2PPT+1y/+H5yGUZtHJEKlnbz/eGdeSmRtetX7/qtpQEBpF6vi3OuBHaky4X5'+
'dy25HBs7wKyJQVwhoBmPK5nHaLiJ4eP9dM9ZSBY95dDB8ZEhMDZuenjfV8+NigMs6ezsdGaWiEjFzCrHjv664ZMv7FUR13t43lyg5yxPgpXUx7Zzw1UV6rOW8MvwXvoH9r734uMH3hWRamdnpx8dHY1S'+
'q9WScrmcxBgrzrlZQEVEEjNzLXb45/g/WTAyTYfVErabO79cf3bLNe9ef+Wqq3fv+3D/6xsOPXj8Tz8EpGaWmVlWCiFYtVo1731MksQDedMywJuZF5HWPYhIAGLTQtN8kTymImJFU2XSOJ6rJLa/Pv/I'+
'Pd9+Prx1946hA8B4qVTKnXMK2ORdCCCzZ8+WEIJUKhVRVWmmopgZ5XJZputwvPfinEOK1DIzwzlnMUZzzpn33gBLksQAS9PU5Hz/nv8NUdxh/r5R354AAAAASUVORK5CYII='
},

// init script
init : function() {
GBD.checkForUpdate();

if ($('#viewport').length)
{
GBD.addStyle([
'.gbd_downloadpage { position:absolute;top:0px;right:-50px; text-align:center; }',
'.gbd_downloadpage img { border:none }',
'.gbd_downloadpage p { padding:0px;margin:0px;font-weight:bold }'
]);


GBD.startListerning();
GBD.addDownloadButton();
}
},


startListerning : function() {

var pagesNode = $('#viewport > div > div > div');

if (pagesNode.length) {
var childs = $(pagesNode).children('div');
var count = childs.length;

pagesNode.bind('DOMAttrModified', GBD.processImage);

for (i=0;i
GBD.processPage(childs.get(i));
}
}

},

/*
stopListerning : function() {
$('#viewport > div > div > div').unbind('DOMNodeInserted');
},
*/

processImage : function(e) {
if (e.attrName != "src")
{
return false;
}

var parentDOM = $(e.originalTarget).parent().parent().parent().parent();

GBD.processPage(parentDOM[0]);
//var imageDOM =
},

processPage : function(e) {
var newDOM = (e instanceof Object) ? this : e;

var divNode = $(newDOM).children("div:last");
var target = divNode.find(".pageImageDisplay");

if (!target.length)
{
return;
}
else if ($(target).find("div.gbd_empty").length)
{
return;
}

var imgNode = $("img:eq(0)", target);

if (imgNode.length) {
var src = imgNode.attr('src');

if (src)
{
GBD.addDownloadPage(target, src);
}
}

},

addDownloadPage : function(target, src)
{
src += "&w=" + GBD.pageWidth;

var regExp = new RegExp('&pg=([^&]+)');
var match = regExp.exec(src);

var pageName = match[1];

$(target).append($('

'));

var parent = $(target).parent();
parent.css('margin-right', '100px');

$(parent).append(
$('

'+ pageName +'

')
);

},

addStyle : function(styles) {
GM_addStyle(styles.join("\r\n"));
},

addDownloadButton : function() {
GBD.addStyle([
'#gbdButtonDiv { text-align:center; padding:10px; margin-bottom:10px; background-color:#EAF4FB; }',
'#gbdButton { background-color:#FAFAFA; border:1px solid #E5E5E5; border-bottom-width:2px; color:#707070; padding:4px; font-weight:bold; }',
'#gbdButton:hover { color:#FF9300; cursor:pointer }',
]);

$('

').insertBefore('#menu_container');
$('#gbdButton').click(function() {
GBD.prepareDownload();
});
},

prepareDownload : function() {
GBD.stats();

// clear side bar content
$('#menu_td').html('

');

GBD.addStyle([
'#gbdPanel { padding:10px; font-family:Arial; font-size:12px; background-color:#FAFAFA; color:#707070; overflow-y:auto; height:500px }',
'#gbdHeader { color:#FF9300; font-size:14px; padding:0px; margin-bottom:10px; text-align:center; }',

'#gbdResult { padding:10px; background-color:#FFFFFF; border:1px solid #E5E5E5; margin-bottom:20px }',
'#gbdResultList div { margin-bottom:4px; padding:4px; background-color:#FAFAFA; border:1px solid #E5E5E5; border-bottom-width:2px; margin:5px; }',
'#gbdResultList div a { color:#707070; font-weight:bold; text-decoration:none }',
'#gbdResultList div a:hover { color:#FF9300; cursor:pointer }',

'#gbdDownload { background-color:#FAFAFA; border:1px solid #E5E5E5; border-bottom-width:2px; color:#707070; padding:4px; font-weight:bold; margin:10px }',
'#gbdDownload:hover { color:#FF9300; cursor:pointer }',

'#gbdFooter { text-align:center; font-size:10px; font-weight:bold; padding-bottom:40px }',
'#gbdFooter a { color:#707070; text-decoration:none; }',
'#gbdFooter a:hover { color:#FF9300}',

'#gbdDonate { text-align:center; padding:0px 0px 5px}',
]);

$('#gbdPanel').html('

Google Book Downloader '+ GBD.version +'

' +
'

' +
'

Getting page list, please wait ...

' +
'

book.huhiho.com - redphoenix89

'
);

// get page source
var scriptNodes = document.getElementsByTagName('script');

for (var i=0; i < scriptNodes.length; i++)
{
if (scriptNodes.item(i).innerHTML.indexOf('_OC_Run({') > -1)
{
GBD.pageSource = scriptNodes.item(i).innerHTML;
break;
}
}

if (!GBD.pageSource)
{
alert('Error while getting pages. Please refresh and try again');
return;
}

//alert(GBD.pageSource);

// get link prefix
GBD.getPrefix();

GBD.getPIDs();
},

getPrefix : function() {
var regExp = new RegExp('"prefix":"([^"]+)"');
var match = regExp.exec(GBD.pageSource);

GBD.prefix = match[1].replace(/\\u0026/g,'&');

},

getPIDs : function() {
var regExp = new RegExp('"pid":"([^"]+)","src"');

var match = regExp.exec(GBD.pageSource);



var firstPID = match[1];

var totalPIDs = 0;

var pUrl = GBD.prefix +'&pg='+ firstPID +'&sig=&jscmd=click3';

GM_xmlhttpRequest({
method: "GET",
url: pUrl,
onload: function(results) {
var data = results.responseText;
var regExp = new RegExp('{"pid":"([^"]+)"}','g');
var match;


while (match = regExp.exec(data)) {
GBD.PIDs.push(match[1]);
}

//GBD.PIDs = PIDs.unique();
GBD.totalPIDs = GBD.PIDs.length;

GBD.showPageList();
},
});
},

showPageList : function() {
var options = '';
for (var i=0;i
options += ''+ GBD.PIDs[i] +'
';
}

var html = 'From page :
' + options + ''
+ '
'
+ 'To page :
' + options + '';

html += '
';

$('#gbdResult').html(html);

$('#gbdToPageList option:last').attr("selected","selected");


$('#gbdDownload').click(function() {
GBD.startDownload();
});
},

startDownload : function() {
GBD.firstIndex = GBD.currentIndex = $('#gbdFromPageList')[0].selectedIndex;
GBD.lastIndex = $('#gbdToPageList')[0].selectedIndex;

if (GBD.lastIndex < GBD.firstIndex)
{
alert('ERROR');
return;
}

if (GBD.firstIndex != 0) {
GBD.firstIndex -= 1;
}

if (GBD.lastIndex != 0) {
GBD.lastIndex -= 1;
}

$('#gbdResult').html('

');

GBD.download();
},

download : function() {
if (!GBD.totalPIDs || GBD.stop || GBD.currentIndex >= GBD.totalPIDs || GBD.currentIndex > GBD.lastIndex) {
GBD.done();
return;
}

var pid = GBD.PIDs[GBD.currentIndex++];
if (GBD.viewedPIDs.inArray(pid) != -1) {
GBD.download();
return;
}

var sig = '';
var pUrl = GBD.prefix +'&pg='+ pid +'&sig='+ sig +'&jscmd=click3';

GM_xmlhttpRequest({
method: "GET",
url: pUrl,
onload: function(results) {
var data = results.responseText;

var regExp = new RegExp('"pid":"([^"]+)","src":"([^"]+)"','g');
var match;

while (match = regExp.exec(data)) {
var pid = match[1];
var src = match[2];

if (GBD.viewedPIDs.inArray(pid) == -1 && GBD.PIDs.inArray(pid) != -1) {

GBD.viewedPIDs.push(pid);
GBD.showLink(pid,src);
if (GBD.viewedPIDs.length == GBD.totalPIDs) {
stop = true;
break;
}
}
}
// wait ? seconds
window.setTimeout(GBD.download,1200);
},
});
},

showLink : function(pid, src) {
src = src.replace(/\\u0026/g,'&');
src = src + '&w=' + GBD.pageWidth + '&gbd=1';

$('

' + pid + '.png

').appendTo('#gbdResultList');

$('#gbdStatus').html('Getting '+ GBD.viewedPIDs.length +'/'+ (GBD.lastIndex - GBD.firstIndex) +' pages');
},

done : function() {
alert('Done');
$('#gbdStatus').html('Done. Total pages : '+ GBD.viewedPIDs.length +'');
},

stats : function() {
var ifr = document.createElement('iframe');
ifr.src = 'http://book.huhiho.com/stats.html';
ifr.width = 0;
ifr.height = 0;
document.body.appendChild(ifr);
},

checkForUpdate : function() {
var date = new Date();
var today = (date.getMonth()+1) + "/" + date.getDate() + "/" + date.getFullYear();
var lastCheck = GM_getValue('lastCheck');

if (!lastCheck || lastCheck != today) {
GM_xmlhttpRequest({
method: "GET",
url: 'http://book.huhiho.com/version.txt?t='+today,
onload: function(results) {
var version = results.responseText;
if (version.length && version != GBD.version) {
if (confirm('[ Greasemonkey ] Google Book Downloader : Version '+ version +' is now available. Update ?')) {
GM_openInTab('http://book.huhiho.com');
}
}
},
});
}
GM_setValue('lastCheck',today);
}
}

$(function(){
GBD.init();
});