line-bot-server
Version:
LINE Bot Server for Node.js
140 lines • 7.2 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
var LINEBot = require("@line/bot-sdk");
var Dotenv = require("dotenv");
var express = require("express");
var fs = require("fs-extra");
var https = require("https");
var path = require("path");
var pem = require("pem");
var BotServer = /** @class */ (function () {
function BotServer(options) {
this.options = options || BotServer.getEnvOptions();
if (!this.options.port) {
throw new Error('Missing options.port\nPlease set PORT environment variable.');
}
if (!this.options.channelSecret) {
throw new Error('Missing options.channelSecret\nPlease set CHANNEL_SECRET environment variable.');
}
if (!this.options.channelAccessToken) {
throw new Error('Missing options.channelAccessToken\nPlease set CHANNEL_ACCESS_TOKEN environment variable.');
}
if (!this.options.key) {
throw new Error('Missing options.key\nPlease set SSL_KEY environment variable.');
}
if (!this.options.cert) {
throw new Error('Missing options.cert\nPlease set SSL_CERT environment variable.');
}
this.clientConfig = {
channelAccessToken: this.options.channelAccessToken,
channelSecret: this.options.channelSecret
};
this.client = new LINEBot.Client(this.clientConfig);
this.app = express();
this.https = https.createServer({
cert: fs.readFileSync(this.options.cert),
key: fs.readFileSync(this.options.key)
}, this.app);
}
BotServer.generateDefaultSSLAsync = function (sslDir, days, selfSigned) {
if (days === void 0) { days = 9999; }
if (selfSigned === void 0) { selfSigned = true; }
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, fs.ensureDir(sslDir)];
case 1:
_a.sent();
BotServer.defaultSSLKey = path.resolve(sslDir, 'localhost.key');
BotServer.defaultSSLCert = path.resolve(sslDir, 'localhost.crt');
return [2 /*return*/, new Promise(function (resolve, reject) {
if (!fs.existsSync(BotServer.defaultSSLKey) || !fs.existsSync(BotServer.defaultSSLCert)) {
pem.createCertificate({ days: days, selfSigned: selfSigned }, function (err, keys) {
if (err) {
return reject(err);
}
fs.writeFileSync(BotServer.defaultSSLKey, keys.serviceKey);
fs.writeFileSync(BotServer.defaultSSLCert, keys.certificate);
return resolve(true);
});
}
else {
return resolve(true);
}
})];
}
});
});
};
BotServer.getEnvOptions = function (options) {
Dotenv.config(options);
return {
cert: process.env.SSL_CERT || '',
channelAccessToken: process.env.CHANNEL_ACCESS_TOKEN || '',
channelSecret: process.env.CHANNEL_SECRET || '',
key: process.env.SSL_KEY || '',
port: (process.env.PORT) ? Number(process.env.PORT) : 443
};
};
BotServer.generateEnvFile = function (fileName, options) {
if (options === void 0) { options = {}; }
var buffer = new Buffer('CHANNEL_ACCESS_TOKEN=' + (options.channelAccessToken || '') + '\n' +
'CHANNEL_SECRET=' + (options.channelSecret || '') + '\n' +
'PORT=' + (options.port || '') + '\n' +
'SSL_KEY=' + (options.key || '') + '\n' +
'SSL_CERT=' + (options.cert || '') + '\n');
fs.writeFileSync(fileName, buffer);
};
BotServer.prototype.enableStatusEndpoint = function () {
this.app.get('/status', function (req, res) {
res.status(200);
res.end();
});
};
BotServer.prototype.setWebhook = function (endpoint, callback) {
this.app.post(endpoint, LINEBot.middleware(this.clientConfig), callback);
};
BotServer.prototype.start = function () {
this.https.listen(this.options.port);
};
BotServer.defaultSSLKey = 'ssl/localhost.key';
BotServer.defaultSSLCert = 'ssl/localhost.crt';
return BotServer;
}());
exports.BotServer = BotServer;
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