From 9cd4a52b9e701f47c7ca7b44c52cbcd66b7bcb05 Mon Sep 17 00:00:00 2001 From: toasted-nutbread Date: Sat, 7 Mar 2020 14:39:25 -0500 Subject: Rename audio.js to audio-uri-builder.js --- ext/bg/js/audio-uri-builder.js | 156 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 ext/bg/js/audio-uri-builder.js (limited to 'ext/bg/js/audio-uri-builder.js') diff --git a/ext/bg/js/audio-uri-builder.js b/ext/bg/js/audio-uri-builder.js new file mode 100644 index 00000000..80e9cb9a --- /dev/null +++ b/ext/bg/js/audio-uri-builder.js @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2017-2020 Alex Yatskov + * Author: Alex Yatskov + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +/*global jpIsStringEntirelyKana*/ + +class AudioUriBuilder { + constructor() { + this._getUrlHandlers = new Map([ + ['jpod101', this._getUriJpod101.bind(this)], + ['jpod101-alternate', this._getUriJpod101Alternate.bind(this)], + ['jisho', this._getUriJisho.bind(this)], + ['text-to-speech', this._getUriTextToSpeech.bind(this)], + ['text-to-speech-reading', this._getUriTextToSpeechReading.bind(this)], + ['custom', this._getUriCustom.bind(this)] + ]); + } + + normalizeUrl(url, baseUrl, basePath) { + if (url) { + if (url[0] === '/') { + if (url.length >= 2 && url[1] === '/') { + // Begins with "//" + url = baseUrl.substring(0, baseUrl.indexOf(':') + 1) + url; + } else { + // Begins with "/" + url = baseUrl + url; + } + } else if (!/^[a-z][a-z0-9\-+.]*:/i.test(url)) { + // No URI scheme => relative path + url = baseUrl + basePath + url; + } + } + return url; + } + + async getUri(mode, definition, options) { + const handler = this._getUrlHandlers.get(mode); + if (typeof handler === 'function') { + try { + return await handler(definition, options); + } catch (e) { + // NOP + } + } + return null; + } + + async _getUriJpod101(definition) { + let kana = definition.reading; + let kanji = definition.expression; + + if (!kana && jpIsStringEntirelyKana(kanji)) { + kana = kanji; + kanji = null; + } + + const params = []; + if (kanji) { + params.push(`kanji=${encodeURIComponent(kanji)}`); + } + if (kana) { + params.push(`kana=${encodeURIComponent(kana)}`); + } + + return `https://assets.languagepod101.com/dictionary/japanese/audiomp3.php?${params.join('&')}`; + } + + async _getUriJpod101Alternate(definition) { + const response = await new Promise((resolve, reject) => { + const xhr = new XMLHttpRequest(); + xhr.open('POST', 'https://www.japanesepod101.com/learningcenter/reference/dictionary_post'); + xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); + xhr.addEventListener('error', () => reject(new Error('Failed to scrape audio data'))); + xhr.addEventListener('load', () => resolve(xhr.responseText)); + xhr.send(`post=dictionary_reference&match_type=exact&search_query=${encodeURIComponent(definition.expression)}`); + }); + + const dom = new DOMParser().parseFromString(response, 'text/html'); + for (const row of dom.getElementsByClassName('dc-result-row')) { + try { + const url = row.querySelector('audio>source[src]').getAttribute('src'); + const reading = row.getElementsByClassName('dc-vocab_kana').item(0).textContent; + if (url && reading && (!definition.reading || definition.reading === reading)) { + return this.normalizeUrl(url, 'https://www.japanesepod101.com', '/learningcenter/reference/'); + } + } catch (e) { + // NOP + } + } + + throw new Error('Failed to find audio URL'); + } + + async _getUriJisho(definition) { + const response = await new Promise((resolve, reject) => { + const xhr = new XMLHttpRequest(); + xhr.open('GET', `https://jisho.org/search/${definition.expression}`); + xhr.addEventListener('error', () => reject(new Error('Failed to scrape audio data'))); + xhr.addEventListener('load', () => resolve(xhr.responseText)); + xhr.send(); + }); + + const dom = new DOMParser().parseFromString(response, 'text/html'); + try { + const audio = dom.getElementById(`audio_${definition.expression}:${definition.reading}`); + if (audio !== null) { + const url = audio.getElementsByTagName('source').item(0).getAttribute('src'); + if (url) { + return this.normalizeUrl(url, 'https://jisho.org', '/search/'); + } + } + } catch (e) { + // NOP + } + + throw new Error('Failed to find audio URL'); + } + + async _getUriTextToSpeech(definition, options) { + const voiceURI = options.audio.textToSpeechVoice; + if (!voiceURI) { + throw new Error('No voice'); + } + + return `tts:?text=${encodeURIComponent(definition.expression)}&voice=${encodeURIComponent(voiceURI)}`; + } + + async _getUriTextToSpeechReading(definition, options) { + const voiceURI = options.audio.textToSpeechVoice; + if (!voiceURI) { + throw new Error('No voice'); + } + + return `tts:?text=${encodeURIComponent(definition.reading || definition.expression)}&voice=${encodeURIComponent(voiceURI)}`; + } + + async _getUriCustom(definition, options) { + const customSourceUrl = options.audio.customSourceUrl; + return customSourceUrl.replace(/\{([^}]*)\}/g, (m0, m1) => (hasOwn(definition, m1) ? `${definition[m1]}` : m0)); + } +} -- cgit v1.2.3