187 lines
6.6 KiB
JavaScript
187 lines
6.6 KiB
JavaScript
/*
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* Copyright (C) 2017-2020 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/*global jpIsStringEntirelyKana, audioGetFromSources*/
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const audioUrlBuilders = new Map([
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['jpod101', async (definition) => {
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let kana = definition.reading;
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let kanji = definition.expression;
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if (!kana && jpIsStringEntirelyKana(kanji)) {
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kana = kanji;
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kanji = null;
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}
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const params = [];
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if (kanji) {
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params.push(`kanji=${encodeURIComponent(kanji)}`);
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}
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if (kana) {
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params.push(`kana=${encodeURIComponent(kana)}`);
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}
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return `https://assets.languagepod101.com/dictionary/japanese/audiomp3.php?${params.join('&')}`;
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}],
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['jpod101-alternate', async (definition) => {
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const response = await new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.open('POST', 'https://www.japanesepod101.com/learningcenter/reference/dictionary_post');
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xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
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xhr.addEventListener('error', () => reject(new Error('Failed to scrape audio data')));
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xhr.addEventListener('load', () => resolve(xhr.responseText));
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xhr.send(`post=dictionary_reference&match_type=exact&search_query=${encodeURIComponent(definition.expression)}`);
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});
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const dom = new DOMParser().parseFromString(response, 'text/html');
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for (const row of dom.getElementsByClassName('dc-result-row')) {
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try {
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const url = row.querySelector('audio>source[src]').getAttribute('src');
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const reading = row.getElementsByClassName('dc-vocab_kana').item(0).innerText;
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if (url && reading && (!definition.reading || definition.reading === reading)) {
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return audioUrlNormalize(url, 'https://www.japanesepod101.com', '/learningcenter/reference/');
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}
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} catch (e) {
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// NOP
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}
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}
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throw new Error('Failed to find audio URL');
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}],
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['jisho', async (definition) => {
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const response = await new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.open('GET', `https://jisho.org/search/${definition.expression}`);
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xhr.addEventListener('error', () => reject(new Error('Failed to scrape audio data')));
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xhr.addEventListener('load', () => resolve(xhr.responseText));
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xhr.send();
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});
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const dom = new DOMParser().parseFromString(response, 'text/html');
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try {
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const audio = dom.getElementById(`audio_${definition.expression}:${definition.reading}`);
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if (audio !== null) {
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const url = audio.getElementsByTagName('source').item(0).getAttribute('src');
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if (url) {
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return audioUrlNormalize(url, 'https://jisho.org', '/search/');
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}
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}
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} catch (e) {
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// NOP
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}
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throw new Error('Failed to find audio URL');
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}],
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['text-to-speech', async (definition, options) => {
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const voiceURI = options.audio.textToSpeechVoice;
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if (!voiceURI) {
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throw new Error('No voice');
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}
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return `tts:?text=${encodeURIComponent(definition.expression)}&voice=${encodeURIComponent(voiceURI)}`;
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}],
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['text-to-speech-reading', async (definition, options) => {
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const voiceURI = options.audio.textToSpeechVoice;
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if (!voiceURI) {
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throw new Error('No voice');
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}
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return `tts:?text=${encodeURIComponent(definition.reading || definition.expression)}&voice=${encodeURIComponent(voiceURI)}`;
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}],
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['custom', async (definition, options) => {
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const customSourceUrl = options.audio.customSourceUrl;
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return customSourceUrl.replace(/\{([^}]*)\}/g, (m0, m1) => (hasOwn(definition, m1) ? `${definition[m1]}` : m0));
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}]
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]);
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async function audioGetUrl(definition, mode, options, download) {
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const handler = audioUrlBuilders.get(mode);
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if (typeof handler === 'function') {
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try {
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return await handler(definition, options, download);
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} catch (e) {
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// NOP
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}
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}
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return null;
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}
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function audioUrlNormalize(url, baseUrl, basePath) {
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if (url) {
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if (url[0] === '/') {
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if (url.length >= 2 && url[1] === '/') {
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// Begins with "//"
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url = baseUrl.substring(0, baseUrl.indexOf(':') + 1) + url;
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} else {
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// Begins with "/"
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url = baseUrl + url;
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}
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} else if (!/^[a-z][a-z0-9\-+.]*:/i.test(url)) {
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// No URI scheme => relative path
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url = baseUrl + basePath + url;
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}
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}
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return url;
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}
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function audioBuildFilename(definition) {
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if (definition.reading || definition.expression) {
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let filename = 'yomichan';
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if (definition.reading) {
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filename += `_${definition.reading}`;
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}
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if (definition.expression) {
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filename += `_${definition.expression}`;
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}
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return filename += '.mp3';
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}
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return null;
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}
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async function audioInject(definition, fields, sources, optionsContext) {
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let usesAudio = false;
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for (const name in fields) {
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if (fields[name].includes('{audio}')) {
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usesAudio = true;
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break;
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}
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}
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if (!usesAudio) {
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return true;
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}
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try {
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const expressions = definition.expressions;
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const audioSourceDefinition = Array.isArray(expressions) ? expressions[0] : definition;
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const {url} = await audioGetFromSources(audioSourceDefinition, sources, optionsContext, true);
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if (url !== null) {
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const filename = audioBuildFilename(audioSourceDefinition);
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if (filename !== null) {
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definition.audio = {url, filename};
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}
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}
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return true;
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} catch (e) {
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return false;
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}
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}
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