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authorAkihiko Odaki <nekomanma@pixiv.co.jp>2018-03-29 01:20:40 +0900
committerAkihiko Odaki <nekomanma@pixiv.co.jp>2018-03-29 01:54:41 +0900
commit90f8fe7e538bb7e52d2558152a0390e693f39b11 (patch)
tree0f830887053c8f352b1cd0c13ca715fd14c1f030 /src/api/bot/interfaces/line.ts
parentImplement remote account resolution (diff)
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Introduce processor
Diffstat (limited to 'src/api/bot/interfaces/line.ts')
-rw-r--r--src/api/bot/interfaces/line.ts238
1 files changed, 0 insertions, 238 deletions
diff --git a/src/api/bot/interfaces/line.ts b/src/api/bot/interfaces/line.ts
deleted file mode 100644
index 8036b2fde4..0000000000
--- a/src/api/bot/interfaces/line.ts
+++ /dev/null
@@ -1,238 +0,0 @@
-import * as EventEmitter from 'events';
-import * as express from 'express';
-import * as request from 'request';
-import * as crypto from 'crypto';
-import User from '../../models/user';
-import config from '../../../conf';
-import BotCore from '../core';
-import _redis from '../../../db/redis';
-import prominence = require('prominence');
-import getAcct from '../../../common/user/get-acct';
-import parseAcct from '../../../common/user/parse-acct';
-import getPostSummary from '../../../common/get-post-summary';
-
-const redis = prominence(_redis);
-
-// SEE: https://developers.line.me/media/messaging-api/messages/sticker_list.pdf
-const stickers = [
- '297',
- '298',
- '299',
- '300',
- '301',
- '302',
- '303',
- '304',
- '305',
- '306',
- '307'
-];
-
-class LineBot extends BotCore {
- private replyToken: string;
-
- private reply(messages: any[]) {
- request.post({
- url: 'https://api.line.me/v2/bot/message/reply',
- headers: {
- 'Authorization': `Bearer ${config.line_bot.channel_access_token}`
- },
- json: {
- replyToken: this.replyToken,
- messages: messages
- }
- }, (err, res, body) => {
- if (err) {
- console.error(err);
- return;
- }
- });
- }
-
- public async react(ev: any): Promise<void> {
- this.replyToken = ev.replyToken;
-
- switch (ev.type) {
- // メッセージ
- case 'message':
- switch (ev.message.type) {
- // テキスト
- case 'text':
- const res = await this.q(ev.message.text);
- if (res == null) return;
- // 返信
- this.reply([{
- type: 'text',
- text: res
- }]);
- break;
-
- // スタンプ
- case 'sticker':
- // スタンプで返信
- this.reply([{
- type: 'sticker',
- packageId: '4',
- stickerId: stickers[Math.floor(Math.random() * stickers.length)]
- }]);
- break;
- }
- break;
-
- // postback
- case 'postback':
- const data = ev.postback.data;
- const cmd = data.split('|')[0];
- const arg = data.split('|')[1];
- switch (cmd) {
- case 'showtl':
- this.showUserTimelinePostback(arg);
- break;
- }
- break;
- }
- }
-
- public static import(data) {
- const bot = new LineBot();
- bot._import(data);
- return bot;
- }
-
- public async showUserCommand(q: string) {
- const user = await require('../../endpoints/users/show')(parseAcct(q.substr(1)), this.user);
-
- const acct = getAcct(user);
- const actions = [];
-
- actions.push({
- type: 'postback',
- label: 'タイムラインを見る',
- data: `showtl|${user.id}`
- });
-
- if (user.account.twitter) {
- actions.push({
- type: 'uri',
- label: 'Twitterアカウントを見る',
- uri: `https://twitter.com/${user.account.twitter.screen_name}`
- });
- }
-
- actions.push({
- type: 'uri',
- label: 'Webで見る',
- uri: `${config.url}/@${acct}`
- });
-
- this.reply([{
- type: 'template',
- altText: await super.showUserCommand(q),
- template: {
- type: 'buttons',
- thumbnailImageUrl: `${user.avatar_url}?thumbnail&size=1024`,
- title: `${user.name} (@${acct})`,
- text: user.description || '(no description)',
- actions: actions
- }
- }]);
-
- return null;
- }
-
- public async showUserTimelinePostback(userId: string) {
- const tl = await require('../../endpoints/users/posts')({
- user_id: userId,
- limit: 5
- }, this.user);
-
- const text = `${tl[0].user.name}さんのタイムラインはこちらです:\n\n` + tl
- .map(post => getPostSummary(post))
- .join('\n-----\n');
-
- this.reply([{
- type: 'text',
- text: text
- }]);
- }
-}
-
-module.exports = async (app: express.Application) => {
- if (config.line_bot == null) return;
-
- const handler = new EventEmitter();
-
- handler.on('event', async (ev) => {
-
- const sourceId = ev.source.userId;
- const sessionId = `line-bot-sessions:${sourceId}`;
-
- const session = await redis.get(sessionId);
- let bot: LineBot;
-
- if (session == null) {
- const user = await User.findOne({
- host: null,
- 'account.line': {
- user_id: sourceId
- }
- });
-
- bot = new LineBot(user);
-
- bot.on('signin', user => {
- User.update(user._id, {
- $set: {
- 'account.line': {
- user_id: sourceId
- }
- }
- });
- });
-
- bot.on('signout', user => {
- User.update(user._id, {
- $set: {
- 'account.line': {
- user_id: null
- }
- }
- });
- });
-
- redis.set(sessionId, JSON.stringify(bot.export()));
- } else {
- bot = LineBot.import(JSON.parse(session));
- }
-
- bot.on('updated', () => {
- redis.set(sessionId, JSON.stringify(bot.export()));
- });
-
- if (session != null) bot.refreshUser();
-
- bot.react(ev);
- });
-
- app.post('/hooks/line', (req, res, next) => {
- // req.headers['x-line-signature'] は常に string ですが、型定義の都合上
- // string | string[] になっているので string を明示しています
- const sig1 = req.headers['x-line-signature'] as string;
-
- const hash = crypto.createHmac('SHA256', config.line_bot.channel_secret)
- .update((req as any).rawBody);
-
- const sig2 = hash.digest('base64');
-
- // シグネチャ比較
- if (sig1 === sig2) {
- req.body.events.forEach(ev => {
- handler.emit('event', ev);
- });
-
- res.sendStatus(200);
- } else {
- res.sendStatus(400);
- }
- });
-};