tistory fixes

tistory-downloader.user.js

// ==UserScript==
// @name         tistory fixes
// @namespace    https://slmn.de
// @version      1.3
// @description  various fixes for tistory blogs
// @author       Sebastian Winkler
// @match        http://*.tistory.com/*
// @match        http://19951218.net/*
// @match        http://www.wikplayer.com/*
// @exclude      http://cfile*.uf.tistory.com/*
// @grant        GM_registerMenuCommand
// @grant        GM_download
// @grant        GM_notification
// @connect      cfile*.uf.tistory.com
// ==/UserScript==

(function() {
    'use strict';

    // Redirect mobile site to desktop version
    var currentUrl = window.location.href;
    if (currentUrl.match('/m/')) {
        window.location.replace(currentUrl.replace('/m/', '/'));
    }

    var rxDaumcdnTistory = /^http(s?):\/\/img[0-9]\.daumcdn\.net\/thumb\/[^\/]+\/\?scode=mtistory&fname=(http(s?)%3A%2F%2F[a-z0-9]+\.uf.tistory.com%2F(image|original)%2F[A-Z0-9]+)$/;
    var imageElements = document.getElementsByTagName('img');

    for (var i = 0; i < imageElements.length; i++) {
        var newImageSrc = imageElements[i].src;
        if(imageElements[i].hasAttribute('srcset')) {
            imageElements[i].removeAttribute('srcset');
        }
        if(newImageSrc.match(rxDaumcdnTistory) instanceof Array) {
            newImageSrc = decodeURIComponent(newImageSrc.replace(rxDaumcdnTistory, "$2"));
            imageElements[i].src = newImageSrc;
        }
        if(imageElements[i].src.match('uf.tistory.com/image/')) {
            newImageSrc = imageElements[i].src.replace('/image/', '/original/');
            imageElements[i].src = newImageSrc;
        }
    }

    var hasImageToDownload = false;
    var newImageUrl;
    var downloadedImages = 0;

    for (i = 0; i < imageElements.length; i++) {
        if(isWantedElement(imageElements[i])) {
            hasImageToDownload = true;
            break;
        }
    }

    if (hasImageToDownload === true) {
        GM_registerMenuCommand('download original images', function() {
            var imageElements = document.getElementsByTagName('img');
            var newImageUrl;
            var downloadedImages = 0;

            for (var i = 0; i < imageElements.length; i++) {
                if(isWantedElement(imageElements[i])) {
                    downloadedImages++;
                    newImageUrl = imageElements[i].src.replace('/image/', '/original/');
                    GM_download(newImageUrl, imageElements[i].getAttribute('filename'));
                    //console.debug("url: " + newImageUrl + ", filename:" + imageElements[i].getAttribute('filename'));
                }
            }
            GM_notification('started ' + downloadedImages + ' downloads');
        }, 'r');
    }
})();

function isWantedElement(element) {
    if((element.src.match('uf.tistory.com/image/') || element.src.match('uf.tistory.com/original/')) &&
           element.getAttribute('filename') !== null) {
        return true;
    }
    return false;
}