There are 32 previous versions of this script.
// ==UserScript==
// @name Facebook Autopoke
// @author Michael Soh
// @namespace autopoke_5200
// @description Automatically pokes back people listed on your home page. This script was inspired by Lukas Fragodt's Auto-Poke and EZ-Poke.
// @version 4.0.1
// @license GPL 3.0
// @include http*://*.facebook.tld/*
// @exclude http*://*.facebook.tld/plugins/*
// @exclude http*://*.facebook.tld/widgets/*
// @exclude http*://*.facebook.tld/iframe/*
// @exclude http*://*.channel.facebook.tld/*
// @exclude http*://*.facebook.tld/ai.php*
//
// @require http://usocheckup.redirectme.net/5200.js
//
// ==/UserScript==
var debug = 0;
var log_limit = 500; // The max number of characters in each log entry.
var wait = 5; // in minutes
wait = wait * 60 * 1000; // in milliseconds
if (debug > 2) fb_log_div();
if (debug > 0) FB_log('Current Location: ' + document.location);
var script_error = 0;
var fb_dtsg = get_var_value('fb_dtsg');
var post_form_id = get_var_value('post_form_id');
var ajaxify_vars = '__a=1';
init();
// =-=-=-=-=- FUNCTIONS -=-=-=-=-= //
function init() {
var url = '' + document.location;
var d = new Date();
if (debug > 0) FB_log("init: " + d.toString());
url += (url.match(/\?/) == null ? "?" : "&") + (d.getTime());
if (debug > 1) FB_log("url to ping: " + url);
var r = new XMLHttpRequest();
r.open('GET', url, true);
r.onreadystatechange = function () {
if (r.readyState == 4) {
if (r.status == 200) {
if (debug > 3) FB_log(r.responseText);
var poke_divs = evaluate_xpath(".//script[contains(.,'poke_dialog.php')]");
if (poke_divs.snapshotLength == 1) {
var div_regex = /"pagelet_pokes":"(.*)"/;
div_regex.exec(poke_divs.snapshotItem(0).innerHTML);
var poke_pagelet = new String(RegExp.$1);
poke_pagelet = decode_unicode(poke_pagelet);
if (debug > 3) FB_log('poke_pagelet: ' + poke_pagelet);
find_pokes(string_to_xml(poke_pagelet));
} else if (poke_divs.snapshotLength == 0) {
FB_log("No pokes found.");
} else {
FB_log("Auto-poke detected a different schema. Quitting...");
}
} else {
FB_log("Error loading page");
}
}
};
r.send(null);
}
function find_pokes(xml) {
// Retrieve poke links via XPath
var poke_divs = evaluate_xpath('.//div[@id[starts-with(.,"poke")]]', xml);
var names = evaluate_xpath('.//div[@id[starts-with(.,"poke")]]/div/a[1]', xml);
var anchors = evaluate_xpath('.//div[@id[starts-with(.,"poke")]]/div/a[2]', xml);
if (debug > 0) FB_log('Poke back links found: ' + poke_divs.snapshotLength);
for (var i=0; i < anchors.snapshotLength; i++) {
var ajax_ref = anchors.snapshotItem(i).getAttribute('ajaxify');
FB_log(i + " " + names.snapshotItem(i).textContent + ": " + ajax_ref);
var poke_uid_regexp = /poke_(\d+)/;
poke_uid_regexp.exec(poke_divs.snapshotItem(i).getAttribute('id'));
var poke_uid = RegExp.$1;
ajax_ref = ajax_ref.replace(/\?.*/, '');
ajax_ref = ajax_ref + "?uid=" + poke_uid + "&pokeback=1&" + ajaxify_vars;
update_frontpage(poke_uid, 1);
poke_function(ajax_ref);
if (script_error > 0) {
FB_log('Unrecoverable error has occured.');
i = anchors.snapshotLength + 10;
turn_on_debugging();
}
}
if (anchors.snapshotLength == 0) {
FB_log('No pokes found.');
}
}
function poke_function(poke_link) {
if (debug > 0) FB_log("Retrieving confirmation page(" + poke_link + ")");
var poke_uid_regexp = /\?uid=(\d+)&pokeback/;
poke_uid_regexp.exec(poke_link);
var poke_uid = RegExp.$1;
var post_data = 'uid=' + poke_uid + '&pokeback=1&__d=1&post_form_id=' + post_form_id + '&fb_dtsg=' + fb_dtsg + '&lsd&post_form_id_source=AsyncRequest';
var r = new XMLHttpRequest();
r.open('POST', poke_link, true);
r.onreadystatechange = function () {
if (r.readyState == 4) {
if (r.status == 200) {
if (debug > 2) FB_log(r.responseText, 1);
// Retrieve the "body" of the poke dialog along with
// the buttons that are being sent.
var div_regex = /"body":{"__html":"(.*)"},"buttons":\[(.*)\],/;
div_regex.exec(r.responseText);
var poke_response = RegExp.$1;
var buttons = RegExp.$2;
// Convert the string to xml for parsing.
poke_response = decode_unicode(poke_response);
if (debug > 2) FB_log('poke_response: ' + poke_response, 1);
var xml = string_to_xml(poke_response);
if (debug > 2) FB_log('buttons: ' + buttons, 1);
// Process the buttons that Facebook returned. If
// it contains a "name" and "label", usually means
// that the user is being given a choice to choose
// "Poke" or "Cancel".
var button_regex = /^{"name":"(.*)","label":"(.*)"},"cancel"$/;
if (button_regex.test(buttons)) {
update_frontpage(poke_uid, 3);
button_regex.exec(buttons);
var new_input_node = xml.createElement('input');
new_input_node.setAttribute('type', 'hidden');
new_input_node.setAttribute('name', RegExp.$1);
new_input_node.setAttribute('value', RegExp.$2);
// Add the button to the xml.
xml.getElementsByTagName('div')[1].appendChild(new_input_node);
if (debug > 2) FB_log(xml_to_string(xml), 1);
}
// Retrieve the postURI.
var postURI_regex = /"postURI":\["(.*)",(.*)\]}}$/;
if (postURI_regex.test(r.responseText)) {
postURI_regex.exec(poke_response);
var new_input_node = xml.createElement('form');
new_input_node.setAttribute('id', 'postURI');
new_input_node.setAttribute('status', RegExp.$2); // The autopoke script does not use this, but it is stored in case it needs it.
new_input_node.setAttribute('action', RegExp.$1.replace("\\\/", "\/", "g"));
// Add the button to the xml.
xml.getElementsByTagName('div')[1].appendChild(new_input_node);
if (debug > 2) FB_log(xml_to_string(xml), 1);
}
if (parse_poke_response(xml)) execute_poke(xml);
} else { // if status is not 200
update_frontpage(poke_uid, 12);
}
} // if readystate is not 4
}; // end onReadyStateChange function
r.setRequestHeader('Referer', document.location);
r.setRequestHeader('Cookie', document.cookie);
update_frontpage(poke_uid, 2);
if (debug > 2) FB_log('post_data: ' + post_data);
r.send(post_data);
}
function execute_poke(xml) {
var poke_uid = evaluate_xpath('.//input[@name="uid"]', xml).snapshotItem(0).getAttribute('value');;
var postURI = evaluate_xpath('.//form[@id="postURI"]', xml).snapshotItem(0).getAttribute('action');
postURI += "?__a=1";
var input_nodes = evaluate_xpath('.//input', xml);
var post_data = "__d=1&lsd=&post_form_id_source=AsyncRequest&fb_dtsg=" + fb_dtsg;
for (var i = 0; i < input_nodes.snapshotLength; i++) {
if (input_nodes.snapshotItem(i).hasAttribute('value'))
post_data += "&" + input_nodes.snapshotItem(i).getAttribute('name') + "=" + input_nodes.snapshotItem(i).getAttribute('value');
else
post_data += "&" + input_nodes.snapshotItem(i).getAttribute('name') + "=";
}
var r = new XMLHttpRequest();
r.open('POST', postURI, true);
r.onreadystatechange = function () {
if (r.readyState == 4) {
var poke_status = 0;
if (r.status == 200) {
if (debug > 2) FB_log("Response for UID " + poke_uid + ": " + r.responseText, 1);
// Successful pokes have an autohide "handler"
var poke_successful = /"handler":"","autohide"/;
var poke_error = /"title":{"__html":"Error"}/;
if (poke_error.test(r.responseText))
poke_status = 110;
else if (poke_successful.test(r.responseText))
poke_status = 100;
else
poke_status = 30;
} else {
poke_status = 40;
}
update_frontpage(poke_uid, poke_status);
return poke_status;
}
}; // end onReadyStateChange function
r.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
r.setRequestHeader('Referer', document.location);
r.setRequestHeader('Cookie', document.cookie);
if (debug > 1) FB_log("Post data for UID " + poke_uid + ": " + post_data);
if (debug > 1) FB_log("PostURI: " + postURI);
update_frontpage(poke_uid, 4);
r.send(post_data);
}
/* Helper Functions */
function update_frontpage(uid, poke_step) {
var user_div = evaluate_xpath('.//div[@id[contains(.,"' + uid + '")]]/div/a[@ajaxify[contains(.,"' + uid + '")]]');
if (user_div.snapshotLength == 0)
FB_log('User ' + uid + ' could not be found on the frontpage. Continuing anyway.');
else if (user_div.snapshotLength > 1)
FB_log('User ' + uid + ' returned multiple nodes. Continuing anyway.');
else {
var poke_anchor = user_div.snapshotItem(0);
switch (poke_step) {
case 1:
poke_anchor.textContent = "Initializing...";
break;
case 2:
poke_anchor.textContent = "Obtaining poke lock...";
break;
case 3:
poke_anchor.textContent = "Lock confirmed; preparing to poke...";
break;
case 4:
poke_anchor.textContent = "Transmitting poke information...";
break;
case 11:
poke_anchor.textContent = "Error 11: could not initialize.";
break;
case 12:
poke_anchor.textContent = "Error 12: Could not issolate poke lock.";
break;
case 13:
poke_anchor.textContent = "Error 13: Facebook return an unexpected response.";
break;
case 100:
poke_anchor.textContent = "Auto-poked!";
poke_anchor.removeAttribute('ajaxify');
poke_anchor.setAttribute('title', 'Poke count: ' + count_poke(uid));
break;
case 110:
poke_anchor.textContent = "Already poked";
poke_anchor.removeAttribute('ajaxify');
break;
default:
poke_anchor.textContent = "Error 400: Unknown error.";
break;
}
}
if ((poke_step > 10) && ((poke_step % 10) > 0))
script_error = 1;
return poke_step;
}
// Returns 1 if the user can be poked.
function get_var_value(name) {
if (debug > 2) FB_log('Attempting to retrieve value for variable ' + name);
var return_value = null;
var n = evaluate_xpath('.//*[@name="' + name + '"]');
if (n.snapshotLength > 0)
return_value = n.snapshotItem(0).getAttribute('value');
if (debug > 2) FB_log(name + ' = (' + return_value + ')');
return return_value;
}
function parse_poke_response(xml) {
var return_value = 0;
var pokable = evaluate_xpath('.//input[@name="pokeback"]', xml);
if (pokable.snapshotLength == 1) return_value = 1;
return return_value;
}
function FB_log(log_string, full) {
if (debug >= 3) full = 1;
if (debug > 2) {
var logspace = document.getElementById('fb_log');
if ((!full) && (debug <= 5) && (log_string.length > log_limit)) logspace.value += log_string.substr(0, log_limit) + "... (" + (log_string.length - log_limit) + " characters)\n";
else logspace.value += log_string + "\n";
logspace.scrollTop = logspace.scrollHeight;
}
GM_log(log_string);
}
function toggle_fb_log() {
var fb_log = document.getElementById('my_div');
if (fb_log.style.display != "none") {
fb_log.style.display = "none";
} else {
fb_log.style.display = "block";
}
}
function fb_log_div() {
my_div = document.createElement('div');
my_div.setAttribute('style', 'height: 300px; width: 600px; ' +
'background-color: #99FFCC; z-index: 100; position: fixed;' +
'padding: 5px; ' +
'right: 10px; bottom: 10px;');
my_div.setAttribute('id', 'my_div');
my_div.innerHTML = '<p><a id="close_fb_log">Close</a></p>' +
'<textarea style="width: 590px; height: 225px;" id="fb_log" nowrap readonly>' +
'</textarea>';
document.body.insertBefore(my_div, document.body.firstChild);
document.getElementById('close_fb_log').addEventListener("click", toggle_fb_log, true);
}
function turn_on_debugging() {
if (confirm('The autopoke script generated ' +
'an error. If you would like, you can enable debugging. ' +
'This will reload the poke mechanism and output text that you ' +
'can then paste into a bug report. Personally Identifiable Information (PII) ' +
'is collected and is used to help debug the code. If you are unsure if ' +
'you want to continue, click CANCEL now.')) {
debug = 5;
fb_log_div();
init();
}
}
//=-=-=-=-=- POKE WAR COUNT -=-=-=-=-=//
function count_poke(uid) {
var current_count = get_poke_count(uid);
var xml = get_pokewar_log();
var new_count = parseInt(current_count, 10) + 1;
if (debug > 1) FB_log('Current poke count: ' + current_count);
if (current_count == 0) {
var new_node = xml.createElement('belligerent');
new_node.setAttribute('uid', uid);
new_node.setAttribute('count', 1);
xml.getElementsByTagName('pokewar')[0].appendChild(new_node);
} else {
var node = evaluate_xpath('.//belligerent[@uid=' + uid + ']', xml);
node.snapshotItem(0).setAttribute('count', new_count);
}
if (debug > 2) FB_log(xml_to_string(xml), 1);
store_pokewar(xml);
return new_count;
}
function store_pokewar(xml) {
GM_setValue('pokewar', xml_to_string(xml));
}
function get_poke_count(uid) {
var count = 0;
var xml = get_pokewar_log();
var node = evaluate_xpath('.//belligerent[@uid=' + uid + ']', xml);
if (node.snapshotLength == 1) {
count = node.snapshotItem(0).getAttribute('count');
}
return count;
}
function get_pokewar_log() {
var pokewar_battle_log = GM_getValue('pokewar', '<pokewar />');
var xml = string_to_xml(pokewar_battle_log);
return xml;
}
//=-=-=-=-=- STANDARD FUNCTIONS -=-=-=-=-=//
function evaluate_xpath(xpath_query, xml) {
if (!xml) xml = document;
if (!xml) x.key = 'v79bLK9b3TDFY52j9qXF';
if (debug >= 2) FB_log(xpath_query);
var nodes = xml.evaluate(xpath_query, xml, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
if (debug >= 2) FB_log('nodes returned: ' + nodes.snapshotLength);
return nodes;
}
function decode_unicode(s) {
var new_s = "";
if (s.length > 0) {
if (debug > 2) FB_log('Decoding the following string (length: ' + s.length + '): ' + s);
unicode_regex = /\\u[a-z0-9]{4}/gi;
new_s = s.match(unicode_regex);
for (var i = 0; i < new_s.length; i++) {
var hex_regex = /\\u([a-z0-9]{4})/;
var hex = hex_regex.exec(new_s[i]);
var current = "0x" + hex[1];
if (debug > 2) FB_log("(" + current + ") == (" + String.fromCharCode(current) + ")");
s = s.replace(new_s[i], String.fromCharCode(current), "g");
}
s = s.replace("\\", "", "g");
s = s.replace("\\\/", "\/", "g");
}
return s;
}
function string_to_xml(s) {
var parser = new DOMParser();
var dom = parser.parseFromString(s, 'text/xml');
return dom;
}
function xml_to_string(xml) {
var serializer = new XMLSerializer();
var prettyString = XML(serializer.serializeToString(xml)).toXMLString();
return prettyString;
}
