OverDrive Login Helper

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

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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;
}