OverDrive Login Helper

Remembers the users library card number and other login credentials (but not masked fields/password fields).

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name           OverDrive Login Helper
// @namespace      http://home.comcast.net/~mailerdaemon
// @description    Remembers the users library card number and other login credentials (but not masked fields/password fields).
// @include        https://*.libraryreserve.com/*/SignIn*.htm*
// @include        https://*.mediavending.com/*/SignIn*.htm*
// @include        https://*.libraryreserve.com/*/LogIn*.htm*
// @include        https://*.mediavending.com/*/LogIn*.htm*
// @version        0.7
// ==/UserScript==

//https://secure3.libraryreserve.com/singapore.lib.overdrive.com/AC2A5588-FD00-4315-BC77-40415EEC33E1/10/251/en/SignIn.htm?URL=MyAccount.htm
//chose the library randomly; the libraries share a pool of login servers.
var library = document.location.pathname.split("/")[1];
var forms = [];
var fields = JSON.parse(GM_getValue(library,"{}"));
$Z("//form[@action='BANGAuthenticate.dll']", function(form){
		var submit = $X(".//input[@type='submit' or @alt='Submit' or @value='Sign In' or @alt='Sign In'] | .//div[@class='signinbutton'] | .//a[contains(text(), ' users, please click here to sign into this system.')]", form);
		//while stuffing the form don't allow submit!
		
		if(!submit)
			return 0;
		
		submit.disable = true;
		
		for(var a in fields)
		{
			var elm = form.elements.namedItem(a);
			var orig, dest;
			if(elm.tagName == "SELECT")
			{
				var op = $X(".//option[@value='"+fields[a]+"']", elm);
				orig = op.selected;
				dest = op.selected = true;
			}
			else
			{
				orig = elm.value;
				dest = elm.value = fields[a];
			}
			if(orig != dest)
				simulateHTMLEvent(elm, "change");
		}
		
		submit.disable = false;
		
		var save = document.createElement("input");
			save.type="button";
			save.value = "Save";
		if(submit.tagName == "INPUT")
		{
			if(submit.className)
				save.className = submit.className;
			if(submit.type == "image")
				save.style.verticalAlign="top";
			submit.style.display = save.style.display = "inline";
		}
		
		insertAfter(save, submit);
		insertAfter(document.createTextNode(" "), submit);
		addEvent(save, "click", function(event){
				var out = {};//really should figure out some way to do radio controls and check boxes
				Array.forEach(form.elements, function(r){if((r.nodeName=="INPUT" && r.type.toLowerCase() =="text") || r.nodeName=="SELECT") out[r.name] = r.value;});
				GM_setValue(library, JSON.stringify(out));
			});
		return 1;
	});

function simulateClick(node) {
  var evt = document.createEvent("MouseEvents");
  evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
  return node.dispatchEvent(evt);
}

function simulateHTMLEvent(node, type, bubbles, cancelable) {
  var evt = document.createEvent("HTMLEvents");
  evt.initEvent(type, bubbles, cancelable);
  return node.dispatchEvent(evt);
}


function $X(_xpath, node){//to search in a frame, you must traverse the .contentDocument attribute.
    var doc = (node && (typeof(node.ownerDocument) === "object"))?(node.ownerDocument || node):(node = document);
    return doc.evaluate(_xpath, node, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null).snapshotItem(0);
}
function $Y(_xpath, node){
    var doc = (node && (typeof(node.ownerDocument) === "object"))?(node.ownerDocument || node):(node = document);
    return doc.evaluate(_xpath, node, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
}
function $Z(_xpath, func, node){
    var doc = (node && (typeof(node.ownerDocument) === "object"))?(node.ownerDocument || node):(node = document);
    var res = doc.evaluate(_xpath, node, null,	XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    var args = Array.prototype.slice.call(arguments, 3);
    var i = 0;
    for (; i < res.snapshotLength; ++i)
        func.apply(func, [res.snapshotItem(i), i].concat(args));
    return i;
}


function insertAfter(insert, after){return after.parentNode.insertBefore(insert, after.nextSibling);}
function insertBefore(insert, before){return before.parentNode.insertBefore(insert, before);}

function addEvent( obj, type, fn, capture ) {
 	if ( obj.attachEvent ) {
 		obj["e"+type+fn] = fn;
 		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
 		obj.attachEvent( "on"+type, obj[type+fn] );
 	} else
 		obj.addEventListener( type, fn, capture?capture:false );
}
function removeEvent( obj, type, fn, capture ) {
 	if ( obj.detachEvent ) {
 		obj.detachEvent( "on"+type, obj[type+fn] );
 		obj[type+fn] = obj["e"+type+fn] = null;
 	} else
 		obj.removeEventListener( type, fn, capture?capture:false );
}
function log()
{
	var arg;
	switch(arguments.length)
	{
		case 1:
			arg = arguments[0];
			break;
		case 0:
			arg = null;
			break;
		default:
			arg = arguments;
			break;
	}
	
	var f = JSON.stringify(arg);
	if(typeof(unsafeWindow.console) != "undefined" && typeof(unsafeWindow.console.log) != "undefined")
		unsafeWindow.console.log(f);
	else
		GM_log(f);
	return arg;
}