GopherProxy

	rails.js - warvox - VoIP based wardialing tool, forked from rapid7/warvox.
	git clone git://jay.scot/warvox
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	rails.js (5850B)
	---
	1 (function() {
	2 // Technique from Juriy Zaytsev
	3 // http://thinkweb2.com/projects/prototype/detecting-event-support-wit…
	4 function isEventSupported(eventName) {
	5 var el = document.createElement('div');
	6 eventName = 'on' + eventName;
	7 var isSupported = (eventName in el);
	8 if (!isSupported) {
	9 el.setAttribute(eventName, 'return;');
	10 isSupported = typeof el[eventName] == 'function';
	11 }
	12 el = null;
	13 return isSupported;
	14 }
	15
	16 function isForm(element) {
	17 return Object.isElement(element) && element.nodeName.toUpperCase() =…
	18 }
	19
	20 function isInput(element) {
	21 if (Object.isElement(element)) {
	22 var name = element.nodeName.toUpperCase()
	23 return name == 'INPUT' \|\| name == 'SELECT' \|\| name == 'TEXTAREA'
	24 }
	25 else return false
	26 }
	27
	28 var submitBubbles = isEventSupported('submit'),
	29 changeBubbles = isEventSupported('change')
	30
	31 if (!submitBubbles \|\| !changeBubbles) {
	32 // augment the Event.Handler class to observe custom events when nee…
	33 Event.Handler.prototype.initialize = Event.Handler.prototype.initial…
	34 function(init, element, eventName, selector, callback) {
	35 init(element, eventName, selector, callback)
	36 // is the handler being attached to an element that doesn't supp…
	37 if ( (!submitBubbles && this.eventName == 'submit' && !isForm(th…
	38 (!changeBubbles && this.eventName == 'change' && !isInput(t…
	39 // "submit" => "emulated:submit"
	40 this.eventName = 'emulated:' + this.eventName
	41 }
	42 }
	43 )
	44 }
	45
	46 if (!submitBubbles) {
	47 // discover forms on the page by observing focus events which always…
	48 document.on('focusin', 'form', function(focusEvent, form) {
	49 // special handler for the real "submit" event (one-time operation)
	50 if (!form.retrieve('emulated:submit')) {
	51 form.on('submit', function(submitEvent) {
	52 var emulated = form.fire('emulated:submit', submitEvent, true)
	53 // if custom event received preventDefault, cancel the real on…
	54 if (emulated.returnValue === false) submitEvent.preventDefault…
	55 })
	56 form.store('emulated:submit', true)
	57 }
	58 })
	59 }
	60
	61 if (!changeBubbles) {
	62 // discover form inputs on the page
	63 document.on('focusin', 'input, select, texarea', function(focusEvent…
	64 // special handler for real "change" events
	65 if (!input.retrieve('emulated:change')) {
	66 input.on('change', function(changeEvent) {
	67 input.fire('emulated:change', changeEvent, true)
	68 })
	69 input.store('emulated:change', true)
	70 }
	71 })
	72 }
	73
	74 function handleRemote(element) {
	75 var method, url, params;
	76
	77 var event = element.fire("ajax:before");
	78 if (event.stopped) return false;
	79
	80 if (element.tagName.toLowerCase() === 'form') {
	81 method = element.readAttribute('method') \|\| 'post';
	82 url = element.readAttribute('action');
	83 params = element.serialize();
	84 } else {
	85 method = element.readAttribute('data-method') \|\| 'get';
	86 url = element.readAttribute('href');
	87 params = {};
	88 }
	89
	90 new Ajax.Request(url, {
	91 method: method,
	92 parameters: params,
	93 evalScripts: true,
	94
	95 onComplete: function(request) { element.fire("ajax:complete", r…
	96 onSuccess: function(request) { element.fire("ajax:success", r…
	97 onFailure: function(request) { element.fire("ajax:failure", r…
	98 });
	99
	100 element.fire("ajax:after");
	101 }
	102
	103 function handleMethod(element) {
	104 var method = element.readAttribute('data-method'),
	105 url = element.readAttribute('href'),
	106 csrf_param = $$('meta[name=csrf-param]')[0],
	107 csrf_token = $$('meta[name=csrf-token]')[0];
	108
	109 var form = new Element('form', { method: "POST", action: url, style:…
	110 element.parentNode.insert(form);
	111
	112 if (method !== 'post') {
	113 var field = new Element('input', { type: 'hidden', name: '_method'…
	114 form.insert(field);
	115 }
	116
	117 if (csrf_param) {
	118 var param = csrf_param.readAttribute('content'),
	119 token = csrf_token.readAttribute('content'),
	120 field = new Element('input', { type: 'hidden', name: param, va…
	121 form.insert(field);
	122 }
	123
	124 form.submit();
	125 }
	126
	127
	128 document.on("click", "*[data-confirm]", function(event, element) {
	129 var message = element.readAttribute('data-confirm');
	130 if (!confirm(message)) event.stop();
	131 });
	132
	133 document.on("click", "a[data-remote]", function(event, element) {
	134 if (event.stopped) return;
	135 handleRemote(element);
	136 event.stop();
	137 });
	138
	139 document.on("click", "a[data-method]", function(event, element) {
	140 if (event.stopped) return;
	141 handleMethod(element);
	142 event.stop();
	143 });
	144
	145 document.on("submit", function(event) {
	146 var element = event.findElement(),
	147 message = element.readAttribute('data-confirm');
	148 if (message && !confirm(message)) {
	149 event.stop();
	150 return false;
	151 }
	152
	153 var inputs = element.select("input[type=submit][data-disable-with]");
	154 inputs.each(function(input) {
	155 input.disabled = true;
	156 input.writeAttribute('data-original-value', input.value);
	157 input.value = input.readAttribute('data-disable-with');
	158 });
	159
	160 var element = event.findElement("form[data-remote]");
	161 if (element) {
	162 handleRemote(element);
	163 event.stop();
	164 }
	165 });
	166
	167 document.on("ajax:after", "form", function(event, element) {
	168 var inputs = element.select("input[type=submit][disabled=true][data-…
	169 inputs.each(function(input) {
	170 input.value = input.readAttribute('data-original-value');
	171 input.removeAttribute('data-original-value');
	172 input.disabled = false;
	173 });
	174 });
	175 })();