Image Wizard

Does some magic with images.

Tính đến 02-05-2018. Xem phiên bản mới nhất.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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

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

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

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Image Wizard
// @namespace    https://github.com/GrumpyCrouton/Userscripts
// @version      1.0
// @description  Does some magic with images.
// @author       GrumpyCrouton
// @match        *://*.stackoverflow.com/*
// @match        *://*.stackexchange.com/*
// @match        *://*.superuser.com/*
// @grant        GM.xmlHttpRequest
// ==/UserScript==

var proxy = "http://service.bypass123.com/index.php";
var replaceFrom = ["imgur.com", "facebook.com"];
var processEvery = 5; //process every x seconds (Useful until I can figure out how to detect when a new image or link is added to DOM. Set to 0 to disable.

/* DEBUG */
var debugImg = false;
var debugA = false;
var debug = false;


/* INTERNAL VARIABLES */
var supportedExtensions = ["png", "jpg", "gif"];


//DO NOT ALTER BELOW THIS LINE

(function() {

    process();

    function handleImgTag() {
        $('img').each(function() {
            url = $(this).prop('src').split('?').shift();
			extension = url.split('.').pop();
            if (replaceFrom.some(function(v) {
                    return url.indexOf(v) >= 0;
                }) && supportedExtensions.some(function(v) {
                    return url.indexOf(v) >= 0;
                })) {
                if (!$(this).attr('processed')) {
                    $(this).attr('processed', true);
                    replaceImg(url, $(this));
                }
                return true;
            }
            if (debugImg) console.log("No URL match in <img>: " + url);
        });
    }

    function handleATag() {
        $('a').each(function() {
            url = $(this).prop('href').split('?').shift();
			extension = url.split('.').pop();
            if (replaceFrom.some(function(v) {
                    return url.indexOf(v) >= 0;
                }) && supportedExtensions.some(function(v) {
                    return url.indexOf(v) >= 0;
                })) {
                if ($(this).has('img').length < 1) {
                    replaceA(url, $(this));
                    return true;
                }
            }
            if (debugA) console.log("No URL match in <a>: " + url);
        });
    }

    function replaceImg(src, element) {
        GM.xmlHttpRequest({
            method: "POST",
            url: proxy,
            data: "url=" + src,
            headers: {
                "Content-Type": "application/x-www-form-urlencoded"
            },
            onload: function(response) {
                element.prop('src', response.finalUrl);
                element.prop('alt', "Image replaced by Image Wizard");

                parent_link = element.parent("a");
                if (parent_link.length) {
                    if (parent_link.prop('href') == src) {
                        parent_link.prop('href', response.finalUrl);
                        parent_link.prop('target', "_blank");
                    }
                } else {
                    element.wrap("<a href='" + response.finalUrl + "' target='_blank'></a>");
                }
                element = element.parent();

                if (element.parents('.post-text').length) {
                    wrapContentElement(element);
                } else {
                    wrapDefaultElement(element);
                }
            }
        });
    }

    function replaceA(src, element, addImg = true) {
        GM.xmlHttpRequest({
            method: "POST",
            url: proxy,
            data: "url=" + src,
            headers: {
                "Content-Type": "application/x-www-form-urlencoded"
            },
            onload: function(response) {
                if (element.parents('.post-text').length) {
                    element.text("");
                    element.append("<img src='" + response.finalUrl + "'></img>");
                    wrapContentElement(element);
                } else {
                    element.text("[Image Wizard");
                    element.wrap("<span></span>").parent('span').append("<a href='https://github.com/GrumpyCrouton/Userscripts/blob/master/Image%20Wizard'>]</a>");
                }
                element.prop('href', response.finalUrl).prop('target', "_blank");
            }
        });
    }

    function wrapContentElement(element) {
        element.wrap("<div class='module community-bulletin image-proxier'></div>");
        element = element.parent(".image-proxier");
        element.prepend("\
			<div class='bulletin-title'>\
				<center>\
					<a \
					style='text-decoration:none;' \
					href='https://github.com/GrumpyCrouton/Userscripts/blob/master/Image%20Wizard'>\
						Image Wizard\
					</a>\
				</center>\
			</div>\
			<hr>");
    }

    function wrapDefaultElement(element) {
        element.wrap("<span></span>");
    }

	function process() {
		if(debug) console.log("Processing page.");
		handleImgTag();
		handleATag();
	}
	
    $('img').on('load', function() {
        handleImgTag();
    });

    $('a').on('load', function() {
        handleATag();
    });
	
	if(processEvery > 0) {
		setInterval (process, processEvery * 1000);
	}

})();