rule34 harvest tool

get direct link of the image in the list / single post view

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 harvest tool
// @version      0.01
// @namespace    https://github.com/x94fujo6rpg/SomeTampermonkeyScripts
// @description  get direct link of the image in the list / single post view
// @author       x94fujo6
// @match        https://rule34.xxx/index.php?page=post&s=view&id=*
// @match        https://rule34.xxx/index.php?page=post&s=list*
// @grant        none
// ==/UserScript==
/* jshint esversion: 9 */

(function () {
	const
		script_name = "rule34 tool",
		slog = (...any) => console.log(`[${script_name}]`, ...any),
		sleep = (ms = 100) => new Promise(resolve => setTimeout(resolve, ms));
	let list_id = "selected_list";
	let box_id = "selected_box";
	window.onload = start_script();

	function start_script() {
		let url = document.location.href;
		if (url.includes("s=view")) {
			single_view();
		}
		if (url.includes("s=list")) {
			list_view();
		}
	}

	async function list_view() {
		let pos = document.querySelector(`#content .content`);
		let all_ele = pos.querySelectorAll(".thumb");
		let reg = /<meta property="og:image" itemprop="image" content="(.*)"/;
		let length = all_ele.length;
		let button;
		if (!length) return;

		myCss();
		addSelectBox(pos);

		button = newButton("myButtonB", "Start Harvest", async function () {
			button.disabled = true;
			button.onclick = "";
			button.textContent = `Harvesting... (0/${length})`;
			document.getElementById(box_id).style.display = "";
			for (let i = 0; i < length; i++) {
				let thumb = all_ele[i];
				let post = thumb.children[0].href;
				let link = await getTrueLink(post);
				addCheckbox(link ? link : "", thumb);
				thumb.classList.add("my_thumb");
				button.textContent = `Harvesting... (${i + 1}/${length})`;
				await sleep();
			}
			button.textContent = "Done";
		});
		pos.insertAdjacentElement("afterbegin", button);

		function addSelectBox(target) {
			let
				select_box = document.createElement("div"),
				textbox_style = `
					width: 100%;
					height: auto;
					display: block;
					margin: auto;
					white-space: nowrap;
				`;
			select_box.id = box_id;
			select_box.style = `
				display: flex;
				text-align: center;
				flex-wrap: wrap;
				width: 50%;
				margin: auto;
				display: none;
			`;
			select_box.innerHTML = `<textarea id="${list_id}" rows="5" cols="70" style="${textbox_style}"></textarea>`;

			let button,
				button_class = "myButton line-4-item",
				button_box = document.createElement("div");
			button_box.style = `width: 100%;`;
			[
				{ text: "Select All", click: secectAll },
				{ text: "Unselect All", click: unsecectAll },
				{ text: "Invert Select", click: invertSecect },
				{ text: "Copy", click: copyAll },
			].forEach(o => {
				button = newButton(button_class, o.text, o.click);
				button_box.appendChild(button);
			});
			select_box.appendChild(button_box);

			target.insertAdjacentElement("afterbegin", select_box);
		}

		function addCheckbox(link, toEle) {
			let div = document.createElement("div");
			let label = document.createElement("label");
			label.className = "myLable";
			if (link.length > 0) {
				label.innerHTML = `
					<input type="checkbox" name="selected_list" value="${link}">
					<div>Add to List</div>
				`;
				label.onclick = updateTextBox;
			} else {
				label.innerHTML = `
					<div>found no link</div>
				`;
			}
			div.className = "lable_box";
			div.appendChild(label);
			toEle.insertAdjacentElement("afterbegin", div);
		}

		async function getTrueLink(post_link) {
			let r = await fetch(post_link);
			let text = await r.text();
			let link = text.match(reg);
			if (link) {
				return link[1];
			} else {
				return false;
			}
		}
	}

	function updateTextBox() {
		let inputs = document.querySelectorAll(`input[name='${list_id}']:checked`);
		let newtext = "";
		if (inputs) {
			inputs.forEach(ck => {
				if (!newtext.includes(ck.value)) newtext += `${ck.value}\n`;
			});
		}
		let box = document.getElementById(list_id);
		box.value = newtext;
	}

	function copyAll() {
		let textbox = document.getElementById(list_id);
		navigator.clipboard.writeText(textbox.value);
	}

	function invertSecect() {
		let inputs = document.querySelectorAll(`input[name='${list_id}']`);
		inputs.forEach(e => {
			if (e.checked) {
				e.checked = false;
			} else {
				e.checked = true;
			}
		});
		updateTextBox();
	}

	function unsecectAll() {
		let inputs = document.querySelectorAll(`input[name='${list_id}']:checked`);
		inputs.forEach(e => {
			e.checked = false;
		});
		updateTextBox();
	}

	function secectAll() {
		let inputs = document.querySelectorAll(`input[name='${list_id}']`);
		inputs.forEach(e => {
			if (!e.checked) e.checked = true;
		});
		updateTextBox();
	}

	function single_view(getlink = false) {
		let link = document.querySelector(`[property="og:image"]`).content;
		if (getlink) {
			return link;
		} else {
			let pos = document.querySelector(`#content .content`);
			let ele = document.createElement("a");
			let copy = document.createElement("button");
			let box = document.createElement("div");
			ele.textContent = ele.href = link;

			box.style = `
				display: flex;
			`;
			copy.style = `
				display: flex;
				padding: 2rem;
				width: max-content;
				margin: 0.2rem;
			`;
			ele.style = `
				display: flex;
				padding: 2rem;
				background-color: rgba(0,0,0,0.25);
				width: max-content;
				margin: 0.2rem;
			`;

			copy.onclick = () => {
				navigator.clipboard.writeText(link);
			};
			copy.textContent = "copy link";

			box.appendChild(copy);
			box.appendChild(ele);
			pos.insertAdjacentElement("afterbegin", box);
		}
	}

	function myCss() {
		let s = document.createElement("style");
		s.className = "myCssSheet";
		document.head.appendChild(s);
		s.textContent = `
		.my_thumb {
			height: max-content !important;
		}

        .added {
            display:initial !important;
        }

        .myButtonB {
            position: relative;
			padding: 1rem;
			width: 50%;
			font-size: 1.5rem;
			margin: 1rem auto;
			display: block;
        }

        .myButton {
            position: relative;
			padding: 0.5rem 0;
			margin: 0.5rem;
			font-size: 1rem;
			white-space: nowrap;
			text-overflow: ellipsis;
			overflow: hidden;
        }

        .line-4-item {
            max-width: 100%;
            width: calc(80% / 4);
        }

        .myButton:active, .myButtonB:active {
            background-color: DeepPink;
        }

		.lable_box {
			margin: 0.5rem 0;
		}

        .myLable {
            position: relative;
            width: auto;
            padding: 0.5rem;
            border-style: solid;
            border-width: 0.1rem;
            border-color: gray;
            display: flex;
			justify-content: center;
        }

        .myLable>input {
            position: relative;
            margin: auto;
            margin-left: 0rem;
            margin-right: 0.2rem;
        }

        .myLable>div {
            position: relative;
            margin: 0.1rem;
        }
        `;
	}

	function newButton(bclass, btext, handeler) {
		let button = document.createElement("button");
		Object.assign(button, {
			className: bclass,
			textContent: btext,
			onclick: handeler,
		});
		return button;
	}
})();