nyagami
58 lines
1.9 KiB
JavaScript
58 lines
1.9 KiB
JavaScript
// This is an un-browserified version of the script! If you make any changes to this file you need to run
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// npx browserify html-sanitize-nonbrowser.js -o html-sanitize.js
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// for your changes to be visible inside of the browser!
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const sanitizeHtml = require('sanitize-html');
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/** @typedef {{removeExtraParagraphSpacing?: boolean}} Options */
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const loadingGif =
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'https://raw.githubusercontent.com/LNReader/lnreader/plugins/android/app/src/main/assets/images/loading.gif';
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/**
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*
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* @param {string} html
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* @param {Options?} options
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*/
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window.sanitizeChapterText = (html, options) => {
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if (html) {
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html = html.replace(/</g, '<').replace(/>/g, '>');
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}
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let text = sanitizeHtml(html, {
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allowedTags: sanitizeHtml.defaults.allowedTags.concat([
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'img',
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'i',
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'em',
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'b',
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'a',
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'div',
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]),
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allowedAttributes: {
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img: ['src'],
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a: ['href'],
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},
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allowedSchemes: ['data', 'http', 'https', 'file'],
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});
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if (text) {
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if (options?.removeExtraParagraphSpacing) {
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text = text.replace(/<\s*br[^>]*>/gi, '\n').replace(/\n{2,}/g, '\n\n');
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}
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const imgHandlerRegex = /<img([^>]*src="[^"]+"[^>]*)>/g;
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const ttsHandlerRegex =
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/(< *\w+ *>[^<.?!]+< *\/\w+ *>|< *a *href *= *"[^"]+" *>\s*(<img[^>]+>|[^<]+|(< *\w+ *>[^]+< *\/\w+ *>)*)\s*< *\/a *>|< *img[^>]+>|[^<>.?!]+[.?!])/g;
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// first -> match whole tags which dont have attribute and [.?!] inside
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// second -> match a tags and its childs
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// third -> match img tags
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// match sentence split by [.?!]
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text = text
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.replace(
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imgHandlerRegex,
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`<img alt="Plugin can't fetch this img" onload="reader.refresh()" onerror="this.setAttribute('error-src', this.src);reader.post({type:'error-img',data:this.src});this.src='${loadingGif}';this.onerror=undefined" $1>`,
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)
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.replace(ttsHandlerRegex, '<t-t-s>$1</t-t-s>');
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} else {
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text = 'HTML is empty';
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}
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return text;
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};
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