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Kemono Browser

Kemono links everywhere!

当前为 2023-12-28 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Kemono Browser
// @namespace    Violentmonkey Scripts
// @version      1.1.1
// @description  Kemono links everywhere!
// @author       zWolfrost
// @license      MIT

// @match        https://*.vimeo.com/*
// @match        https://*.kemono.su/*
// @match        https://*.patreon.com/*
// @match        https://*.fanbox.cc/*
// @match        https://*.pixiv.net/*
// @match        https://*.fantia.jp/*
// @match        https://*.boosty.to/*
// @match        https://*.dlsite.com/*
// @match        https://*.gumroad.com/*
// @match        https://*.subscribestar.com/*
// @match        https://*.subscribestar.adult/*
// @match        https://*.kemono.su/*

// @icon         https://kemono.su/static/favicon.ico
// @grant        GM.xmlHttpRequest
// ==/UserScript==
"use strict"


const PROMPT_BTN_ID = "kemono-url-btn";
const UPDATE_POLLING_MS = 222;


appendCSS(`
#${PROMPT_BTN_ID}
{
   position: fixed !important;
   display: none;
   bottom: 0px !important;
   right: 0px !important;
   z-index: 9999 !important;
   min-width: none !important;
   min-height: none !important;
   max-width: none !important;
   max-height: none !important;

   font-family: arial !important;
   font-weight: bold !important;
   font-size: 18px !important;
   line-height: normal !important;

   padding: 4px !important;
   margin: 12px !important;

   cursor: pointer !important;
   text-decoration: none !important;

   box-shadow: black 1px 1px 0px 0px, black 2px 2px 0px 0px, black 3px 3px 0px 0px, black 4px 4px 0px 0px !important;
}

#${PROMPT_BTN_ID}:hover
{
   filter: brightness(90%) !important;
}

#${PROMPT_BTN_ID}:active
{
   box-shadow: 0px 0px 0px 0px !important;
   bottom: -4px !important;
   right: -4px !important;
}
`);


const PROMPT_BTN = document.createElement("a");

PROMPT_BTN.id = PROMPT_BTN_ID;
PROMPT_BTN.target = "_blank";

document.body.prepend(PROMPT_BTN)



setInterval(main, UPDATE_POLLING_MS);


async function main()
{
   const domain = window.location.hostname.split(".").slice(-2).join(".")

   const url = await Promise.resolve(domainMethods[domain]?.());
   //console.log(url)

   if (url)
   {
      const state = await getCreatorState(url);

      promptURL(url, badgePresets[state])
   }
   else
   {
      PROMPT_BTN.style.display = "none"
   }
}


const badgePresets = {
   found: {stateText: "Found", textColor: "white", backgroundColor: "green"},
   incomplete: {stateText: "Incomplete", textColor: "black", backgroundColor: "gold"},
   missing: {stateText: "Missing", textColor: "white", backgroundColor: "red"},
}

function promptURL(url, {stateText, textColor, backgroundColor})
{
   PROMPT_BTN.href = url;
   PROMPT_BTN.innerText = "Kemono Creator: " + stateText;

   PROMPT_BTN.style.color = textColor;
   PROMPT_BTN.style.backgroundColor = backgroundColor;

   PROMPT_BTN.style.display = "block";
}


function appendCSS(css)
{
   const style = document.createElement("style");
   style.appendChild(document.createTextNode(css));
   document.head.append(style);
}


async function getCreatorState(url)
{
   if (url)
   {
      const response = await new Promise(resolve =>
      {
         GM.xmlHttpRequest({
            url: url,
            method: "HEAD",
            onload: resolve
         });
      });

      switch (response.finalUrl)
      {
         case url: return "found";
         case "https://kemono.su/artists": return "missing"
         default: return "incomplete";
      }
   }
}





const domainMethods = {
   "patreon.com": getRedirectURLFromPatreon,
   "fanbox.cc": getRedirectURLFromFanbox,
   "pixiv.net": getRedirectURLFromPixiv,
   "fantia.jp": getRedirectURLFromFantia,
   "boosty.to": getRedirectURLFromBoosty,
   "dlsite.com": getRedirectURLFromDLsite,
   "gumroad.com": getRedirectURLFromGumroad,
   "subscribestar.com": getRedirectURLFromSubscribeStar,
   "subscribestar.adult": getRedirectURLFromSubscribeStar
}



function getRedirectURLFromPatreon()
{
   function getPatreonUserID() //html
   {
      const userIDPrefix = `"creator":{"data":{"id":"`
      const userIDSuffix = `"`
      return getStringBetween(document.documentElement.innerHTML, userIDPrefix, userIDSuffix)
   }
   function getPatreonPostID() //url
   {
      const postIDPrefix = `posts`
      const postIDInternalPrefix = `-`
      return getURLPathAfter(postIDPrefix)?.split(postIDInternalPrefix).at(-1) ?? null
   }

   return getRedirectURL({
      service: "patreon",
      userID: getPatreonUserID(),
      postID: getPatreonPostID()
   })
}

async function getRedirectURLFromFanbox()
{
   function getFanboxCreatorID() //url
   {
      const creatorIDPrefix1st = `www.fanbox.cc`
      const creatorIDInternalPrefix1st = `@`
      const creatorIDSuffix2nd = `.`

      let creatorID = getURLPathAfter(creatorIDPrefix1st)?.split(creatorIDInternalPrefix1st)[1] ?? window.location.hostname.split(creatorIDSuffix2nd)[0]

      return creatorID == "www" ? null : creatorID
   }


   function getFanboxUserID() //html
   {
      const userIDPrefix = `creator/`
      const userIDSuffix = `/`
      return getStringBetween(document.documentElement.innerHTML, userIDPrefix, userIDSuffix)
   }
   async function getFanboxUserID2nd() //url (api)
   {
      const creatorID = getFanboxCreatorID()
      if (!creatorID) return null

      const creatorFetch = await new Promise(resolve =>
      {
         GM.xmlHttpRequest({
            url: `https://api.fanbox.cc/creator.get?creatorId=${creatorID}`,
            method: "GET",
            headers: { Origin: "https://fanbox.cc" },
            onload: resolve
         });
      });

      return JSON.parse(creatorFetch.responseText)?.body?.user?.userId ?? null
   }
   function getFanboxPostID() //url
   {
      const postIDPrefix = `posts`
      return getURLPathAfter(postIDPrefix)
   }

   return getRedirectURL({
      service: "fanbox",
      userID: getFanboxUserID() /* ?? await getFanboxUserID2nd() */,
      postID: getFanboxPostID()
   })
}

function getRedirectURLFromPixiv()
{
   function getPixivUserID() //url
   {
      const userIDPrefix = `users`
      return getURLPathAfter(userIDPrefix)
   }
   function getPixivUserID2nd() //html
   {
      const userIDPrefix = `users/`
      const userIDSuffix = `"`
      return getStringBetween(document.documentElement.innerHTML, userIDPrefix, userIDSuffix)
   }

   return getRedirectURL({
      service: "fanbox",
      userID: getPixivUserID() ?? getPixivUserID2nd()
   })
}

function getRedirectURLFromFantia()
{
   function getFantiaUserID() //url
   {
      const userIDPrefix = `fanclubs`
      return getURLPathAfter(userIDPrefix)
   }
   function getFantiaUserID2nd() //html
   {
      const userIDPrefix = `fanclubs/`
      const userIDSuffix = `"`
      return getStringBetween(document.documentElement.innerHTML, userIDPrefix, userIDSuffix)
   }
   function getFantiaPostID() //url
   {
      const postIDPrefix = `posts`
      return getURLPathAfter(postIDPrefix)
   }

   return getRedirectURL({
      service: "fantia",
      userID: getFantiaUserID() ?? getFantiaUserID2nd(),
      postID: getFantiaPostID()
   })
}

function getRedirectURLFromBoosty()
{
   function getBoostyUserID() //url
   {
      const userIDPrefix = `boosty.to`
      return getURLPathAfter(userIDPrefix)
   }
   function getBoostyPostID() //url
   {
      const postIDPrefix = `posts`
      return getURLPathAfter(postIDPrefix)
   }

   return getRedirectURL({
      service: "boosty",
      userID: getBoostyUserID(),
      postID: getBoostyPostID()
   })
}

function getRedirectURLFromDLsite()
{
   function getDLsiteUserID() //html
   {
      const userIDPrefix = `maker_id/`
      const userIDSuffix = `.`
      return getStringBetween(document.documentElement.innerHTML, userIDPrefix, userIDSuffix)
   }
   function getDLsitePostID() //url
   {
      const postIDPrefix = `product_id`
      const postIDMatch = `\\d`
      let postID = getURLPathAfter(postIDPrefix).match(new RegExp(postIDMatch, "g")).join("")
      return postID ? "RE" + postID : null
   }

   return getRedirectURL({
      service: "dlsite",
      userID: getDLsiteUserID(),
      postID: getDLsitePostID()
   })
}

function getRedirectURLFromGumroad()
{
   function getGumroadUserID() //html
   {
      const elementSelector = `script.js-react-on-rails-component`
      const userIDPrefix = `id":"`
      const userIDSuffix = `"`
      return getStringBetween(document.querySelector(elementSelector).innerText, userIDPrefix, userIDSuffix)
   }
   function getGumroadPostID() //url
   {
      const postIDPrefix = `l`
      return getURLPathAfter(postIDPrefix)
   }

   return getRedirectURL({
      service: "gumroad",
      userID: getGumroadUserID(),
      postID: getGumroadPostID()
   })
}

function getRedirectURLFromSubscribeStar()
{
   function getSubScribeStarUserID() //html
   {
      const elementSelector = `img[data-type="avatar"]`
      return document.querySelector(elementSelector)?.alt.toLowerCase() ?? null
   }
   function getSubScribeStarPostID() //url
   {
      const postIDPrefix = `posts`
      return getURLPathAfter(postIDPrefix)
   }

   return getRedirectURL({
      service: "subscribestar",
      userID: getSubScribeStarUserID(),
      postID: getSubScribeStarPostID()
   })
}



function getStringBetween(string, prefix, suffix)
{
   let begIndex = string.indexOf(prefix)
   if (begIndex == -1) return null
   else begIndex += prefix.length

   let endIndex = string.indexOf(suffix, begIndex)
   if (endIndex == -1) endIndex = undefined;
   let result = string.slice(begIndex, endIndex)

   return result
}

function getURLPathAfter(string)
{
   let urlSplit = (window.location.hostname + window.location.pathname).split("/")
   let pathIndex = urlSplit.indexOf(string) + 1

   if (pathIndex == 0) return null

   return urlSplit[pathIndex]
}

function getRedirectURL({service, userID=null, postID=null} = {})
{
   let redirectURL = `https://kemono.su/${service}`

   if (userID)
   {
      redirectURL += `/user/${userID}`

      if (postID)
      {
         redirectURL += `/post/${postID}`
      }
   }
   else return null

   return redirectURL
}