abs.js

    // ==UserScript==
    // @name           Absterge
    // @namespace      https://gist.github.com/emsia/9a7cae31d7aa9ddb6f60
    // @include        http://*.facebook.com/*
    // @include        https://*.facebook.com/*
    // @require        http://code.jquery.com/jquery-1.7.1.min.js
    // ==/UserScript==
     
    function parseUri (str) {
            var     o = parseUri.options,
            m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
            uri = {},
            i   = 14;
            while (i--) uri[o.key[i]] = m[i] || "";
            uri[o.q.name] = {};
            uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
                    if ($1) uri[o.q.name][$1] = $2;
            });
            return uri;
    };
     
    parseUri.options = {
                    strictMode: false,
                    key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
                    q:   {
                            name:   "queryKey",
                            parser: /(?:^|&)([^&=]*)=?([^&]*)/g
                    },
                    parser: {
                            strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
                            loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
                    }
    };
     
    window.addEventListener('load', function()  {
     
            var fb_dtsg = null;
            var abstergeProcessingTimeout = 2000;
     
            // Unfriend as an action as well ?
            var deleteActions = ["Unfriend", "Delete", "Report/Remove Tag", "Delete Photo", "Unlike"];
     
            // Verify the delete action
            var isDeleteAction = function (actionType) {
                    return (deleteActions.indexOf(actionType) >= 0);
            }
           
            // Get the value of fb_dtsg
            var getConstantParameters = function () {
                    if ( fb_dtsg !== null ) {
                            return true;
                    } else {
     
                            if ( fb_dtsg === null ) {
                                    $('input[name="fb_dtsg"]').each(function(){
                                            fb_dtsg = $(this).attr("value");
                                    });
                            }
                            return (fb_dtsg !== null);
                    }
            }
     
            // Mimic physical mouse click event (testing only)
            var physicalClick = function (obj) {
                    var x = obj.offset().left + ( obj.width () / 2 );      
                    var y = obj.offset().top  + ( obj.height() / 2 );      
                    $(document.elementFromPoint(x, y)).click();
            }
     
            // Delete any ministory passed to this function
            var processMinistory = function (ministory, actionObj) {
                    var ajaxify = parseUri("http://facebook.com" + actionObj.attr("ajaxify"));
                    if ( ajaxify.file === "take_action_on_story.php" ) {
                            var data = {
                                            'fb_dtsg'  : fb_dtsg,
                                            'confirmed': "true",
                                            'ban_user' : "0"
                            };
                            for ( var key in ajaxify.queryKey ) {
                                    data[key] = ajaxify.queryKey[key];
                            }
                            $.ajax({
                                    type    : "POST",
                                    url     : "https://www.facebook.com/ajax/timeline/take_action_on_story.php",
                                    data    : data,
                                    complete: function(jqXHR, textStatus) {
                                            if ( jqXHR.status === 200 ) {
                                                    if ( $('#cmdAbsterge').attr('deletecount') === undefined || $('#cmdAbsterge').attr('deletecount') === null ) {
                                                            $('#cmdAbsterge').attr('deletecount', '0');
                                                    }
                                                    var deleteCount = parseInt($('#cmdAbsterge').attr('deletecount')) + 1;
                                                    $('#cmdAbsterge').html("Absterge (" + deleteCount + ")");
                                                    $('#cmdAbsterge').attr('deletecount', '' + deleteCount);
                                                    ministory.remove();
                                            }
                                            console.log("Deleting:", jqXHR);
                                    }
                            });
                    }
            }
     
     
            var onAbstergeClick = function () {
                    getConstantParameters ();
                    console.log("Absterge is starting ...");
                    $("div > div > div > div.fbTimelineSection > div > div > div > div > ul > li").each(function() {
                            var ministory = $(this);
                            ministory.find('a').each(function(){
                                    if ( $(this).attr("aria-label") === "Allowed on Timeline" ) {
                                            var editButton = $(this);
                                            editButton.mousemove();
                                            editButton.find('i').click();
                                            setTimeout ( function() { editButton.parent().find('a[ajaxify]').each (function() {    
                                                    if ( isDeleteAction($(this).text()) ) {
                                                            // console.log(ministory, $(this).text());
                                                            processMinistory (ministory, $(this));
                                                    }
                                            })}, abstergeProcessingTimeout);
                                    }
                            });
                    });
                    $("html, body").animate({ scrollTop: $(document).height() }, "slow");
                    console.log("Absterge done ...: ", fb_dtsg);
                    setTimeout(onAbstergeClick, 3000);
            };
     
     
            // Include the
            $('<li id="navAbsterge" class="navItem middleItem"><a id="cmdAbsterge" class="navLink bigPadding" href="#">Absterge</a></li>').insertAfter('#navHome');
            var pathname = window.location.pathname;    
            if ( pathname.indexOf('/allactivity') === -1 ) {
                    $('#cmdAbsterge').click(function () {
                            alert('You must navigate to "Activity Log" using the "Timeline" feature in order to use Absterge');          
                    });
            } else {
                    $('#cmdAbsterge').css("color", "#FAFAD2");
                    $('#cmdAbsterge').click(function () {
                            onAbstergeClick();
                    });
            }
    });