mirror of
https://github.com/saveweb/biliarchiver.git
synced 2024-09-20 11:25:29 -07:00
215 lines
7.0 KiB
JavaScript
215 lines
7.0 KiB
JavaScript
// ==UserScript==
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// @name Bilibili Archive Checker
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// @version 1.4
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// @description 检查 BiliBili 视频是否已经存档到 Internet Archive。
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// @author yzqzss
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// @match https://www.bilibili.com/video/*
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// @run-at document-start
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// @grant GM_xmlhttpRequest
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// @grant unsafeWindow
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// ==/UserScript==
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(function () {
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'use strict';
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const initialState = unsafeWindow.__INITIAL_STATE__;
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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function isVideo() {
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var url = window.location.href;
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var avRegex = /\/video\/av(\d+)/;
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var matches = url.match(avRegex);
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if (matches && matches.length > 1) {
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console.log("AV:", matches[1]);
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return true;
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}
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var bvRegex = /\/video\/(BV\w+)/;
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matches = url.match(bvRegex);
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if (matches && matches.length > 1) {
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console.log("BV:", matches[1]);
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return true;
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}
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return false;
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}
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// 从 URL 获取当前视频的 BV 号
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function getBVNumber() {
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return unsafeWindow.__INITIAL_STATE__?.bvid ?? initialState?.bvid ?? unsafeWindow.vd?.bvid;
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}
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function getPageNumber() {
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return unsafeWindow.__INITIAL_STATE__?.p ?? initialState?.p ?? unsafeWindow.vd?.embedPlayer?.p;
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}
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function humanReadableUpperPartMap(string, backward) {
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// 找到字符串中所有的 ASCII 大写字母,并返回一个能表示他们绝对位置的字符串。
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// 其中每个非相邻的大写字母之间用数字表示相隔的字符数。
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//
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// params: backward - 可以表示是正着看还是倒着看。
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//
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// NOTE: 在我们的用例中,我们 backward = true ,这样产生的 upperPart 就不太像 BV 号或者类似的编号,以免 upperPart 污染全文搜索。
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//
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// 例如:
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// backward = false
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// BV1HP411D7Rj -> BV1HP3D1R (长得像 bvid )
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// backward = true
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// BV1HP411D7Rj -> 1R1D3PH1VB
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if (backward) {
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string = string.split('').reverse().join('');
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}
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let result = '';
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let steps = 0;
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let char_ = '';
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for (let i = 0; i < string.length; i++) {
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char_ = string[i];
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// console.log('char_:', char_);
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if (char_ >= 'A' && char_ <= 'Z') {
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if (steps === 0) {
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result += char_;
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} else {
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// steps to string
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result += steps.toString() + char_;
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}
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steps = 0;
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} else {
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steps++;
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}
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}
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console.log("upperPart:", result);
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return result;
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}
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// 查 archive.org
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function queryInternetArchive(bvNumber, pageNumber) {
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var identifier = "BiliBili-" + bvNumber + "_p" + pageNumber + "-" + humanReadableUpperPartMap(bvNumber, true);
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var iaUrl = "https://archive.org/services/check_identifier.php?output=json&identifier=" + identifier;
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console.log("Querying:", iaUrl);
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showPopup("正在查询 IA (BV: " + bvNumber + ", P:" + pageNumber + ")", "#f3d9a6")
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GM_xmlhttpRequest({
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method: "GET",
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url: iaUrl,
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onload: function (response) {
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var data = JSON.parse(response.responseText);
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if (data.code === "available") {
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showPopup("未存档", "#fac7c7");
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} else {
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showPopup("本视频已存档", "#bdf8bd", "https://archive.org/details/" + identifier);
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}
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}
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});
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}
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// 创建悬浮窗
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function createPopup() {
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var popup = document.createElement("div");
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popup.id = "archive-popup";
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popup.style.position = "fixed";
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popup.style.userSelect = "none"; // 否则选中会出现横向滚动条
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popup.style.top = "50%";
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popup.style.right = "10px";
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popup.style.transform = "translateY(-50%)";
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popup.style.padding = "10px";
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popup.style.backgroundColor = "#f0f0f0";
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popup.style.border = "1px solid #ccc";
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popup.style.borderRadius = "4px";
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popup.style.zIndex = "9999";
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popup.style.opacity = "0.9";
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popup.style.transition = "background-color 0.25s";
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var text = document.createElement("span");
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text.style.marginRight = "10px";
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text.style.color = "#333";
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text.textContent = "";
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var status = document.createElement("span");
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status.id = "item-status";
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var copyButton = document.createElement("button");
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copyButton.textContent = "Copy BV";
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copyButton.style.marginTop = "10px";
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copyButton.style.padding = "5px";
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copyButton.style.margin = "auto";
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copyButton.style.display = "block";
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copyButton.addEventListener("click", function () {
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copyBV();
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});
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popup.appendChild(text);
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popup.appendChild(status);
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popup.appendChild(copyButton);
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document.body.appendChild(popup);
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}
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// 显示悬浮窗
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function showPopup(message, color, href = null) {
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var popup = document.getElementById("archive-popup");
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if (!popup) {
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createPopup();
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}
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var status = document.getElementById("item-status");
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if (status) {
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status.textContent = message;
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if (href) {
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status.style.color = "#b6e9fe";
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status.style.textDecoration = "underline";
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status.innerHTML = "<a href=\"" + href + "\" target=\"_blank\">" + message + "</a>";
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}
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}
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popup = document.getElementById("archive-popup");
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popup.style.backgroundColor = color;
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}
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// 复制 BV 号
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async function copyBV() {
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var bvNumber = getBVNumber();
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if (bvNumber) {
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navigator.clipboard.writeText(bvNumber)
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.then(function () {
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alert("BV号已复制到剪贴板: " + bvNumber);
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})
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.catch(function (error) {
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console.error("无法复制BV号:", error);
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});
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}
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}
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async function check() {
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if (!isVideo()) {
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console.log("Not a video page, skip.");
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return;
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}
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var bvNumber = getBVNumber();
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var pageNumber = getPageNumber();
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if (bvNumber) {
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queryInternetArchive(bvNumber, pageNumber);
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}
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else {
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showPopup("无法获取 BV 号", "#f3d9a6");
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}
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}
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async function main() {
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var url = null;
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while (true) {
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url = window.location.href.split('&')[0];
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console.log("url:", url);
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check();
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while (url === window.location.href.split('&')[0]) {
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await sleep(5000);
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}
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showPopup("URL 变化...", "#b6e9fe");
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}
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}
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document.addEventListener("DOMContentLoaded", main);
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})();
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