mirror of
https://github.com/saveweb/biliarchiver.git
synced 2024-09-19 11:05:28 -07:00
275 lines
8.7 KiB
JavaScript
275 lines
8.7 KiB
JavaScript
// ==UserScript==
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// @name Bilibili Archive Checker
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// @version 1.3
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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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// @grant GM_xmlhttpRequest
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// ==/UserScript==
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(function () {
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'use strict';
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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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function _av2bv(av) {
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return new Promise(resolve => {
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var api_url = "https://api.bilibili.com/x/web-interface/view?aid=" + av;
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console.log("Querying:", api_url);
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GM_xmlhttpRequest({
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method: "GET",
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url: api_url,
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onload: async function (response) {
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var data = JSON.parse(response.responseText);
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if (data.code === 0) {
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var bv = data.data.bvid;
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if (bv === undefined) {
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console.log("Failed to convert AV to BV.");
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console.log("data:", data);
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resolve(null);
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} else {
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console.log("av2bv succ:", bv);
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resolve(bv);
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}
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} else {
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console.log("Failed to convert AV to BV.");
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console.log("data:", data);
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resolve(null);
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}
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}
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});
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});
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}
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async function av2bv(av) {
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try {
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const bv = await _av2bv(av);
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console.log("Converted BV:", bv);
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return bv;
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} catch (error) {
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console.error("An error occurred:", error);
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}
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}
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// 从 URL 获取当前视频的 BV 号
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async function getBVNumber() {
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var url = window.location.href;
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var avRegex = /\/video\/av(\d+)/;
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var bvRegex = /\/video\/(BV\w+)/;
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var bvMatches = url.match(bvRegex);
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if (bvMatches && bvMatches.length > 1) {
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console.log("BV:", bvMatches[1]);
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return bvMatches[1];
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}
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var avMatches = url.match(avRegex);
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if (avMatches && avMatches.length > 1) {
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console.log("AV:", avMatches[1]);
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var avNumber = avMatches[1];
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showPopup("正在查询 av" + avNumber + "对应的 BV 号", "yellow");
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var bvNumber = await av2bv(avNumber);
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console.log("Got BV from av2bv():", bvNumber);
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return bvNumber;
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}
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console.log("No BV number found.");
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return null;
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}
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function getPageNumber() {
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var url = window.location.href;
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var pageRegex = /p=(\d+)/;
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var matches = url.match(pageRegex);
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if (matches && matches.length > 1) {
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console.log("PageNumber:", matches[1]);
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return matches[1];
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}
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console.log("No PageNumber found, use 1.");
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return '1';
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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+")", "yellow")
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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", "red");
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} else {
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showPopup("本视频已存档", "green", "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.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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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.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 = "blue";
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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 = await 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 = await 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", "red");
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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;
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console.log("url:", url);
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check();
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while (url === window.location.href) {
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// sleep 5s
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await sleep(5000);
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}
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showPopup("URL 变化...", "yellow");
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}
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}
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main();
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})();
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