JavDB 过滤插件，用于过滤不感兴趣的标签、演员等
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// ==UserScript==
// @name JavDB Filter
// @name:zh-CN JavDB 过滤插件
// @description JavDB 过滤插件，用于过滤不感兴趣的标签、演员等
// @namespace https://sleazyfork.org/users/263018
// @version 1.0.0
// @author snyssss
// @license MIT
// @match https://javdb.com/*
// @include /^https:\/\/(\w*\.)?javdb(\d)*\.com.*$/
// @icon https://javdb.com/favicon-32x32.png
// @grant none
// ==/UserScript==
// https://cdn.jsdelivr.net/npm/idb@8/build/umd.js
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).idb={})}(this,(function(e){"use strict";const t=(e,t)=>t.some((t=>e instanceof t));let n,r;const o=new WeakMap,s=new WeakMap,i=new WeakMap;let a={get(e,t,n){if(e instanceof IDBTransaction){if("done"===t)return o.get(e);if("store"===t)return n.objectStoreNames[1]?void 0:n.objectStore(n.objectStoreNames[0])}return f(e[t])},set:(e,t,n)=>(e[t]=n,!0),has:(e,t)=>e instanceof IDBTransaction&&("done"===t||"store"===t)||t in e};function c(e){a=e(a)}function u(e){return(r||(r=[IDBCursor.prototype.advance,IDBCursor.prototype.continue,IDBCursor.prototype.continuePrimaryKey])).includes(e)?function(...t){return e.apply(l(this),t),f(this.request)}:function(...t){return f(e.apply(l(this),t))}}function d(e){return"function"==typeof e?u(e):(e instanceof IDBTransaction&&function(e){if(o.has(e))return;const t=new Promise(((t,n)=>{const r=()=>{e.removeEventListener("complete",o),e.removeEventListener("error",s),e.removeEventListener("abort",s)},o=()=>{t(),r()},s=()=>{n(e.error||new DOMException("AbortError","AbortError")),r()};e.addEventListener("complete",o),e.addEventListener("error",s),e.addEventListener("abort",s)}));o.set(e,t)}(e),t(e,n||(n=[IDBDatabase,IDBObjectStore,IDBIndex,IDBCursor,IDBTransaction]))?new Proxy(e,a):e)}function f(e){if(e instanceof IDBRequest)return function(e){const t=new Promise(((t,n)=>{const r=()=>{e.removeEventListener("success",o),e.removeEventListener("error",s)},o=()=>{t(f(e.result)),r()},s=()=>{n(e.error),r()};e.addEventListener("success",o),e.addEventListener("error",s)}));return i.set(t,e),t}(e);if(s.has(e))return s.get(e);const t=d(e);return t!==e&&(s.set(e,t),i.set(t,e)),t}const l=e=>i.get(e);const p=["get","getKey","getAll","getAllKeys","count"],D=["put","add","delete","clear"],I=new Map;function y(e,t){if(!(e instanceof IDBDatabase)||t in e||"string"!=typeof t)return;if(I.get(t))return I.get(t);const n=t.replace(/FromIndex$/,""),r=t!==n,o=D.includes(n);if(!(n in(r?IDBIndex:IDBObjectStore).prototype)||!o&&!p.includes(n))return;const s=async function(e,...t){const s=this.transaction(e,o?"readwrite":"readonly");let i=s.store;return r&&(i=i.index(t.shift())),(await Promise.all([i[n](...t),o&&s.done]))[0]};return I.set(t,s),s}c((e=>({...e,get:(t,n,r)=>y(t,n)||e.get(t,n,r),has:(t,n)=>!!y(t,n)||e.has(t,n)})));const B=["continue","continuePrimaryKey","advance"],b={},g=new WeakMap,v=new WeakMap,h={get(e,t){if(!B.includes(t))return e[t];let n=b[t];return n||(n=b[t]=function(...e){g.set(this,v.get(this)[t](...e))}),n}};async function*m(...e){let t=this;if(t instanceof IDBCursor||(t=await t.openCursor(...e)),!t)return;const n=new Proxy(t,h);for(v.set(n,t),i.set(n,l(t));t;)yield n,t=await(g.get(n)||t.continue()),g.delete(n)}function w(e,n){return n===Symbol.asyncIterator&&t(e,[IDBIndex,IDBObjectStore,IDBCursor])||"iterate"===n&&t(e,[IDBIndex,IDBObjectStore])}c((e=>({...e,get:(t,n,r)=>w(t,n)?m:e.get(t,n,r),has:(t,n)=>w(t,n)||e.has(t,n)}))),e.deleteDB=function(e,{blocked:t}={}){const n=indexedDB.deleteDatabase(e);return t&&n.addEventListener("blocked",(e=>t(e.oldVersion,e))),f(n).then((()=>{}))},e.openDB=function(e,t,{blocked:n,upgrade:r,blocking:o,terminated:s}={}){const i=indexedDB.open(e,t),a=f(i);return r&&i.addEventListener("upgradeneeded",(e=>{r(f(i.result),e.oldVersion,e.newVersion,f(i.transaction),e)})),n&&i.addEventListener("blocked",(e=>n(e.oldVersion,e.newVersion,e))),a.then((e=>{s&&e.addEventListener("close",(()=>s())),o&&e.addEventListener("versionchange",(e=>o(e.oldVersion,e.newVersion,e)))})).catch((()=>{})),a},e.unwrap=l,e.wrap=f}));
(async () => {
// 初始化 idb
const db = await idb.openDB("JavDB-Filter", 1, {
upgrade(db) {
db.createObjectStore("videos", {
keyPath: "id",
});
db.createObjectStore("idPrefixs", {
keyPath: "value",
});
db.createObjectStore("directors", {
keyPath: "value",
});
db.createObjectStore("makers", {
keyPath: "value",
});
db.createObjectStore("series", {
keyPath: "value",
});
db.createObjectStore("tags", {
keyPath: "value",
});
db.createObjectStore("actors", {
keyPath: "value",
});
},
});
// 超时时间
const expiry = 24 * 60 * 60 * 1000;
// 获取当前页面的 URL
const url = window.location.href;
// 检查 URL 是否为详情页
const isDetailPage = url.startsWith("https://javdb.com/v/");
// 检查是否包含屏蔽项
const isBlocked = async (type, value) => {
if (value) {
const data = await db.get(type, value);
return data !== undefined;
}
return false;
};
// 提取当前页面数据
const getInfo = (doc) => {
const info = doc.querySelector(".movie-panel-info");
if (info === null) {
return null;
}
const links = [...info.querySelectorAll("A")];
const idPrefix = links
.filter((link) => link.href.includes("/video_codes"))
.map((link) => link.href.match(/(\w+)(\?f=\w+)?$/)[1]);
const director = links
.filter((link) => link.href.includes("/directors"))
.map((link) => link.href.match(/(\w+)(\?f=\w+)?$/)[1]);
const maker = links
.filter((link) => link.href.includes("/makers"))
.map((link) => link.href.match(/(\w+)(\?f=\w+)?$/)[1]);
const series = links
.filter((link) => link.href.includes("/series"))
.map((link) => link.href.match(/(\w+)(\?f=\w+)?$/)[1]);
const tags = links
.filter((link) => link.href.includes("/tags"))
.map((link) => link.href.match(/c\d=\d+/)[0]);
const actors = links
.filter((link) => link.href.includes("/actors"))
.map((link) => link.href.match(/\w+$/)[0]);
return {
idPrefix: idPrefix.length > 0 ? idPrefix[0] : null,
director: director.length > 0 ? director[0] : null,
maker: maker.length > 0 ? maker[0] : null,
series: series.length > 0 ? series[0] : null,
tags,
actors,
};
};
// 绑定事件
const bindEvents = (doc) => {
const info = doc.querySelector(".movie-panel-info");
if (info === null) {
return null;
}
const links = [...info.querySelectorAll("A")];
const bindEvent = (element, type, value) => {
let timer = null;
const check = async () => {
const result = await isBlocked(type, value);
if (result) {
element.style.color = "red";
} else {
element.style.removeProperty("color");
}
return result;
};
element.addEventListener("mousedown", () => {
timer = setTimeout(async () => {
const isBlocked = await check();
if (isBlocked) {
await db.delete(type, value);
} else {
await db.put(type, { value });
}
await check();
timer = null;
}, 1000);
});
element.addEventListener("mouseup", () => {
if (timer === null) {
return;
}
clearTimeout(timer);
window.location.href = element.href;
});
element.addEventListener("click", (e) => {
e.preventDefault();
});
check();
};
links
.filter((link) => link.href.includes("/video_codes"))
.forEach((link) => {
const value = link.href.match(/(\w+)(\?f=\w+)?$/)[1];
bindEvent(link, "idPrefixs", value);
});
links
.filter((link) => link.href.includes("/directors"))
.forEach((link) => {
const value = link.href.match(/(\w+)(\?f=\w+)?$/)[1];
bindEvent(link, "directors", value);
});
links
.filter((link) => link.href.includes("/makers"))
.forEach((link) => {
const value = link.href.match(/(\w+)(\?f=\w+)?$/)[1];
bindEvent(link, "makers", value);
});
links
.filter((link) => link.href.includes("/series"))
.forEach((link) => {
const value = link.href.match(/(\w+)(\?f=\w+)?$/)[1];
bindEvent(link, "series", value);
});
links
.filter((link) => link.href.includes("/tags"))
.forEach((link) => {
const value = link.href.match(/c\d=\d+/)[0];
bindEvent(link, "tags", value);
});
links
.filter((link) => link.href.includes("/actors"))
.forEach((link) => {
const value = link.href.match(/\w+$/)[0];
bindEvent(link, "actors", value);
});
};
// 非详情页的情况下，尝试过滤列表
if (isDetailPage === false) {
// 列表容器
const list = document.querySelector(".movie-list");
// 过滤函数
const filter = (() => {
let isRunning = false;
let shouldRun = false;
const run = async () => {
// 防止重复执行
if (isRunning) {
shouldRun = true;
return;
}
// 标识正在执行
isRunning = true;
shouldRun = false;
// 查找列表下所有视频
const items = list.querySelectorAll(".item");
// 过滤视频
for (const item of items) {
// 获取链接、标题
const { href, title } = item.querySelector("A");
// 获取番号
const id = item.querySelector("STRONG").textContent;
// 优先从缓存中查找
let data = await db.get("videos", id);
// 有缓存的情况下，判断是否过期
if (data && Date.now() - data.timestamp > expiry) {
data = undefined;
}
// 没有缓存的情况下，请求数据
if (data === undefined) {
const response = await fetch(href);
const parser = new DOMParser();
const responseText = await response.text();
const doc = parser.parseFromString(responseText, "text/html");
const info = getInfo(doc);
if (info === null) {
// 防止爬虫检测
await new Promise((resolve) => setTimeout(resolve, 1600));
continue;
}
data = {
id,
title: title.trim(),
timestamp: Date.now(),
...info,
};
await db.put("videos", data);
await new Promise((resolve) => setTimeout(resolve, 160));
}
// 过滤
const queue = [
() => isBlocked("idPrefixs", data.idPrefix),
() => isBlocked("directors", data.directors),
() => isBlocked("makers", data.makers),
() => isBlocked("series", data.series),
...data.tags.map((tag) => () => isBlocked("tags", tag)),
...data.actors.map((actor) => () => isBlocked("actors", actor)),
];
for (const fn of queue) {
if (await fn()) {
item.remove();
break;
}
}
}
// 执行完毕，判断是否需要继续执行
isRunning = false;
if (shouldRun) {
run();
}
};
return run;
})();
// 有列表的情况下，开始过滤
if (list) {
const observer = new MutationObserver(filter);
observer.observe(list, {
childList: true,
});
filter();
}
return;
}
// 详情页的情况下，获取数据
const info = getInfo(document);
if (info === null) {
return;
}
// 获取番号
const id = document.querySelector(".title > STRONG").textContent.trim();
const title = document.querySelector(".title > .current-title").textContent;
// 更新缓存
await db.put("videos", {
id,
title: title.trim(),
timestamp: Date.now(),
...info,
});
// 绑定事件
bindEvents(document);
})();