Atros

// ==UserScript==
// @name webnovel.com skip video ads
// @namespace http://forum.novelupdates.com/
// @version 4
// @run-at document-end
// @match http://webnovel.com/book/*
// @match https://webnovel.com/book/*
// @match http://www.webnovel.com/book/*
// @match https://www.webnovel.com/book/*
// ==/UserScript==

//------------------------------------------------------------------------------
// This script is released to the public domain. No attribution is required.
//------------------------------------------------------------------------------

// How frequently this script should check for new chapters.
//
// The amount is in milliseconds.
const INTERVAL_CHAPTER_CHECK = 1000;

// When a token is not ready yet, this is how much time we should wait
// before trying again.
//
// The amount is in milliseconds.
const INTERVAL_TOKEN_CHECK = 1000;

/**
* Check for new chapters and try to remove the adwall from them.
*/
function main() {
Array.from(
// Locked chapters.
document.querySelectorAll('.cha-content._lock')
).forEach((lock) => {
// Remove this class so this chapter won't be processed the next time
// `main` is called.
lock.classList.remove('_lock');

// Remove the video.
const v = lock.closest('.chapter_content').querySelector('.lock-video');
if (v) {
v.remove();
}

// Element with the chapter content.
const contentElement = lock.querySelector('.cha-words');

contentElement.style.opacity = '0.1';

// Get the ID for the series ("book").
//
// Some chapters have the `data-bid` property, but not all of them.
// That's why it's better to just get this from the URL.
const bid = window.location.href.split('/book/')[1].split('/')[0];

// Get the ID for the chapter.
const { cid } = lock.querySelector('[data-cid]').dataset;

// Both ID are required.
if (!bid || !cid) {
return;
}

return fetch(
`https://www.webnovel.com/apiajax/chapter/GetChapterContentToken?bookId=${bid}&chapterId=${cid}`
)
.then(resp => resp.json())
.then(data => data.data.token)
.then(token => encodeURIComponent(token))
.then(token => new Promise((resolve) => {
// The raw body of the chapter.
//
// It will be plain text, so we must manually build the HTML for it.
let content = '';

// Try to get the content of the chapter, and fulfill the promise once
// we have it.
//
// This function will retry until it succeeds.
function tick() {
const url = `https://www.webnovel.com/apiajax/chapter/GetChapterContentByToken?token=${token}`;

fetch(url)
.then(resp => resp.json())
.then((data) => {
content = data.data.content.trim();

if (content) {
resolve(content);
} else {
setTimeout(tick, INTERVAL_TOKEN_CHECK);
}
})
.catch((err) => {
console.error(err.stack);

tick();
});
}

tick();
}))
.then((content) => {
// Build the HTML for the chapter content.
//
// For now we only split on line breaks and wrap each piece
// with "<p></p>" tags.
const chapterHtml = content
.split('\n')
.map(p => p.trim())
.filter(p => !!p)
.map(p => `<p>${p}</p>`)
.join('');

// Update the chapter content and turn opacity back to 100%.
contentElement.innerHTML = chapterHtml;
contentElement.style.opacity = '1';
})
.catch((err) => {
console.error(err.stack);
});
});
}

// Since Qidian may load new chapters without refreshing the page, we must
// continuously check for new chapters in the page.
setInterval(main, INTERVAL_CHAPTER_CHECK);