将新标准日语初级和中级的音频和单词导入到 anki https://ankiweb.net/shared/info/1939635284

biaori-to-anki.js

const child_process = require('child_process');
const path = require('path');
const glob = require('glob');
const crypto = require('crypto');
const fs = require('fs-extra');
const _ = require('lodash');
const id3 = require('node-id3');
const sort = require('alphanum-sort');

const extractAudio = false;

function decryptDataV1(path, key) {
  const encData = fs.readFileSync(path);
  const iv = Buffer.alloc(128 / 8);
  const decipher = crypto.createDecipheriv('aes-128-cbc', key, iv);
  const data = [];
  data.push(decipher.update(encData));
  data.push(decipher.final());
  return Buffer.concat(data).toString('utf8');
}

function pad(str, n = 2) {
  return _.padStart(str, n, '0');
}

function processBook(name, cipherKey, bookId, basePath) {
  let counter = 0;
  const list = sort(glob.sync(path.join(basePath, '*/lesson*')));
  const outputDir = `./output/${name}/mp3`;
  const notes = [];

  fs.ensureDirSync(outputDir);
  list.forEach(p => {
    const m = p.match(/unit(\d+)\/lesson(\d+)/);
    if (!m) {
      throw new Error('Path not matching');
    }
    const [ unit, lesson ] = m.slice(1);

    const words = JSON.parse(decryptDataV1(path.join(p, 'words.dat'), cipherKey))
      .content
      .filter(word => word.linetype === '1');

    words.forEach((word, idx) => {
      const audioName = `book${pad(bookId)}-lesson${pad(lesson)}-${pad(idx)}.mp3`;
      const audioPath = path.join(outputDir, audioName);

      word.word = word.word.replace(/\<[^\>]+\>/g, '');
      word.word = word.word.replace(/（/g, '(').replace(/）/g, ')');

      console.log('unit %s, lesson %s, word %d / %d: %s', unit, lesson, idx, words.length, word.word);
      const data = {
        kana: word.word.trim().replace(/\([^\)]+\)/g, '').trim() || '/',
        type: word.wordtype.replace(/[\[\]]/g, '').trim() || '/',
        trans: word.trans.trim() || '/',
        jp: word.word.trim() || '/',
        lesson: pad(lesson),
        id: pad(counter++, 4),
        audio: audioName,
        other: ' ',
      };

      notes.push(data);

      if (extractAudio) {
        child_process.spawnSync('ffmpeg', [
          '-i',
          path.join(p, 'lesson_words.pepm'),
          '-codec:a',
          'libmp3lame',
          '-qscale:a',    // reduce file size by setting a lower quality
          '6',
          '-ss',
          word.starttime.trim(),
          '-to',
          word.endtime.trim(),
          '-metadata',
          `title="${word.word.trim()}"`,
          '-id3v2_version',
          '3',
          '-write_id3v1',
          '1',
          '-y',
          audioPath
        ], { shell: true });
      }
    });
  });

  fs.writeFileSync(`./output/${name}/data.txt`, notes
    .map(data => [data.id, data.kana, data.type, data.trans, data.jp, data.lesson, `[sound:${data.audio}]`].join('\t'))
    .join('\n')
  );
}

processBook('新标准日本语初级', '@@www.pep.com.cn', 1, './resources/book1');
processBook('新标准日本语中级', '@@pepmres.com.cn', 2, './resources/book2');