Rule34 Image Downloader

makes easier to download images from rule34.xxx

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

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 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.

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

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         Rule34 Image Downloader
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  makes easier to download images from rule34.xxx
// @author       mainCharacter
// @match        https://rule34.xxx/*
// @icon         https://www.google.com/s2/favicons?domain=rule34.xxx
// @connect      https://rule34.xxx/*
// @grant        GM_download
// @grant        GM_xmlhttpRequest
// ==/UserScript==

function download_image(image_page_link){
  console.log("Downloading image: "+image_page_link);
  let xhr = new XMLHttpRequest();
  xhr.open('GET', image_page_link, true);
  xhr.send();
  xhr.onreadystatechange = function() {
    if(xhr.readyState == 4 && xhr.status == 200) {
       let tmp = document.createElement('div');
       tmp.innerHTML = xhr.responseText;
       let imgLink = tmp.querySelector("img#image").src;
       console.log(imgLink);
       let fileName = getFilenameFromLink(imgLink);
       GM_download({
         url:imgLink,
         name:fileName,
         saveAs:false
       });
    }
  }

}
function getFilenameFromLink(link){
  let result = link.slice(link.lastIndexOf("/")+1,link.lastIndexOf("?"));
  return result;
}
(function() {
    'use strict';

    let content_div = document.querySelector("div.content div");
    let posts = content_div.querySelectorAll("span");
    if(document.location.href.indexOf("s=view") !== -1){
     return;
    }
    //Download individual image
    posts.forEach(function(post){
        let button = document.createElement("button");
        button.innerHTML="<p  style='margin: 2px; font-size: 13px;' >"+"Donwload"+"</p>";
        button.style="color: white;	background-color: #1da1f2;	border: 0px white;	border-radius: 5px;margin: 2px;height: 32px;width: 100px";
        let link = post.querySelector("a").href;
        button.onclick=function() {
            download_image(link);
        }
        post.prepend(button);
    });
    //Download all images on the page
    let buttonAll = document.createElement("button");
    buttonAll.innerHTML="<p  style='margin: 2px; font-size: 13px;' >"+"Donwload All"+"</p>";
    buttonAll.style="color: white;	background-color: #5c12b8;	border: 0px white;	border-radius: 5px;margin: 2px;height: 50px;width: 100%";
    buttonAll.onclick=function() {
      posts.forEach(function(post){
      let post_a = post.querySelector("a");
      console.log(post_a.href);
      let xhr = new XMLHttpRequest();
      xhr.open('GET', post_a.href, true);
      xhr.send();

      xhr.onreadystatechange = function() {
        if(xhr.readyState == 4 && xhr.status == 200) {
            let tmp = document.createElement('div');
            tmp.innerHTML = xhr.responseText;
            let imgLink = tmp.querySelector("img#image").src;
            console.log(imgLink);
            let fileName = getFilenameFromLink(imgLink);

            GM_download({
              url:imgLink,
              name:fileName,
              saveAs:false
            });

        }
      }
    });
  }
    document.querySelector("div.content").prepend(buttonAll);

})();