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server.js
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server.js
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// Before loading anything graphql-related, polyfill Symbol.asyncIterator because it's needed by TypeScript to support
// async iterators, and the 'iterall' package imported by graphql-js will make its own symbol and reject others
// if this isn't defined when 'iterall' is loaded
Symbol.asyncIterator = Symbol.asyncIterator || Symbol.for("Symbol.asyncIterator");
if (require('iterall').$$asyncIterator !== Symbol.asyncIterator) {
throw new Error('iterall is using the wrong symbol for asyncIterator')
}
import {utc} from 'moment';
import * as bodyParser from 'body-parser';
import * as compression from 'compression';
import * as http from 'http';
import * as express from 'express';
import * as session from 'express-session';
import * as connectRedis from 'connect-redis';
import * as Sentry from '@sentry/node';
import {ApolloServer} from 'apollo-server-express';
import * as jsonwebtoken from 'jsonwebtoken';
import * as cors from 'cors';
import { execute, subscribe, GraphQLError } from 'graphql';
import {IsUserError} from 'graphql-errors';
import { SubscriptionServer } from 'subscriptions-transport-ws';
import {sendPublishProjectNotificationEmail} from './src/modules/project/email';
import {createStorageServerAsync} from './src/modules/webServer/storageServer';
import {configureAuth} from './src/modules/auth';
import config from './src/utils/config';
import logger from './src/utils/logger';
import {createConnection} from './src/utils';
import {executableSchema} from './executableSchema';
import getContext, {getContextForSubscription} from './src/getContext';
import {
Project as ProjectModel,
UserProjectRoleOptions as UPRO,
} from './src/modules/project/model';
const env = process.env.NODE_ENV || 'development';
const configureSession = (app) => {
let sessionStore = undefined;
if (config.redis.host) {
const RedisStore = connectRedis(session);
sessionStore = new RedisStore(config.redis);
}
app.use(session({
store: sessionStore,
secret: config.cookie.secret,
saveUninitialized: true,
resave: false,
cookie: { maxAge: 30 * 24 * 60 * 60 * 1000 }, // 1 month
name: 'api.sid',
}));
};
const configureSentryRequestHandler = (app) => {
if (env !== 'development' && config.sentry.dsn) {
Sentry.init({ dsn: config.sentry.dsn });
// Sentry.Handlers.requestHandler should be the first middleware
app.use(Sentry.Handlers.requestHandler());
}
};
const configureSentryErrorHandler = (app) => {
if (env !== 'development' && config.sentry.dsn) {
// Raven.errorHandler should go after all normal handlers/middleware, but before any other error handlers
app.use(Sentry.Handlers.errorHandler());
}
};
const formatGraphQLError = (error) => {
const {message, extensions, source, path, name, positions} = error;
const isUserError = extensions && extensions.exception && extensions.exception[IsUserError] === true;
if (!isUserError) {
if (error instanceof GraphQLError) {
logger.error(extensions.exception || message, source);
} else {
logger.error(error);
}
Sentry.withScope(scope => {
scope.setExtras({
source: source && source.body,
positions,
path,
});
if (path || name !== 'GraphQLError') {
scope.setTag('graphql', 'exec_error');
Sentry.captureException(error);
} else {
scope.setTag('graphql', 'bad_query');
Sentry.captureMessage(`GraphQLBadQuery: ${error.message}`)
}
});
}
return error;
};
async function createSubscriptionServerAsync(config, connection) {
const wsServer = http.createServer((req, res) => {
res.writeHead(404);
res.end();
});
await new Promise((resolve, reject) => {
wsServer.listen(config.ws_port).on('listening', resolve).on('error', reject);
});
logger.info(`WebSocket server is running on ${config.ws_port} port...`);
SubscriptionServer.create({
execute,
subscribe,
schema: executableSchema,
onOperation(message, params) {
const jwt = message.payload.jwt;
const user = jwt != null
? jsonwebtoken.verify(jwt, config.jwt.secret, {algorithms: [config.jwt.algorithm]})
: null;
params.context = getContextForSubscription(user && user.user, connection.manager);
params.formatError = formatGraphQLError;
return params;
}
}, {
server: wsServer,
path: '/graphql',
});
return wsServer;
}
const configureCronSchedule = (entityManager) => {
const CronJob = require('cron').CronJob;
const emailNotificationsHandler = async () => {
try {
const nDaysAgo = utc().subtract(180, 'days');
const projects = await entityManager.createQueryBuilder('project', 'proj')
.where('proj.review_token_created_dt < :nDaysAgo', { nDaysAgo })
.andWhere('proj.publish_notifications_sent = :notifications_sent',
{ notifications_sent: 0 })
.leftJoinAndSelect('proj.members', 'member')
.andWhere('member.role = :role', { role: UPRO.MANAGER })
.leftJoinAndSelect('member.user', 'user')
.getMany();
await Promise.all(
projects.map(async project => {
project.members.map(member => {
sendPublishProjectNotificationEmail(member.user.email, project);
});
await entityManager.update(ProjectModel, project.id,
{ publishNotificationsSent: project.publishNotificationsSent + 1 });
})
);
}
catch (error) {
logger.error(error);
}
};
new CronJob('00 00 14 * * 1-5', emailNotificationsHandler, null, true);
logger.info('Cron job started');
};
async function createHttpServerAsync(config, connection) {
let app = express();
let httpServer = http.createServer(app);
configureSentryRequestHandler(app);
app.use(cors());
app.use(compression());
configureCronSchedule(connection.manager);
app.use(bodyParser.json());
configureSession(app);
await configureAuth(app, connection.manager);
const apollo = new ApolloServer({
schema: executableSchema,
context: ({req, res}) => getContext(req.user, connection.manager, req, res),
playground: {
settings: {
'editor.theme': 'light',
'editor.cursorShape': 'line',
}
},
formatError: formatGraphQLError,
introspection: true,
});
apollo.applyMiddleware({ app });
configureSentryErrorHandler(app);
app.use(function (err, req, res, next) {
res.status(err.status || 500);
logger.error(err.stack);
res.json({
message: err.message
});
});
await new Promise((resolve, reject) => {
httpServer.listen(config.port).on('listening', resolve).on('error', reject);
});
logger.info(`SM GraphQL is running on ${config.port} port...`);
return httpServer;
}
const main = async () => {
try {
const connection = await createConnection();
const servers = await Promise.all([
createSubscriptionServerAsync(config, connection),
createHttpServerAsync(config, connection),
createStorageServerAsync(config),
]);
// If any server dies for any reason, kill the whole process
const closeListeners = servers.map(server => new Promise((resolve, reject) => {
const address = server.address();
server.on('close', () => reject(new Error(`Server at ${JSON.stringify(address)} closed unexpectedly`)))
}));
await Promise.all(closeListeners);
} catch (error) {
logger.error(error);
process.exit(1);
}
};
if (process.argv[1].endsWith('server.js')) {
const ignoredPromise = main();
}
module.exports = {createHttpServerAsync}; // for testing