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feat: Add user notification tokens model and service method
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| import { DataTypes, ModelDefined, Sequelize } from 'sequelize'; | ||
|
|
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| export interface UserNotificationTokenAttributes { | ||
| id: string; | ||
| userId: string; | ||
| token: string; | ||
| type: 'macos' | 'android' | 'ios'; | ||
| createdAt: Date; | ||
| updatedAt: Date; | ||
| } | ||
|
|
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| export type UserNotificationTokenModel = ModelDefined<UserNotificationTokenAttributes, UserNotificationTokenAttributes>; | ||
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| export default (database: Sequelize): UserNotificationTokenModel => { | ||
| const UserNotificationToken: UserNotificationTokenModel = database.define( | ||
| 'user_notification_tokens', | ||
| { | ||
| id: { | ||
| type: DataTypes.UUID, | ||
| primaryKey: true, | ||
| defaultValue: DataTypes.UUIDV4, | ||
| }, | ||
| userId: { | ||
| type: DataTypes.STRING(36), | ||
| allowNull: false, | ||
| references: { | ||
| model: 'users', | ||
| key: 'uuid', | ||
| }, | ||
| }, | ||
| token: { | ||
| type: DataTypes.STRING, | ||
| allowNull: false, | ||
| }, | ||
| type: { | ||
| type: DataTypes.ENUM('macos', 'android', 'ios'), | ||
| allowNull: false, | ||
| }, | ||
| createdAt: { | ||
| field: 'created_at', | ||
| type: DataTypes.DATE, | ||
| allowNull: false, | ||
| defaultValue: DataTypes.NOW, | ||
| }, | ||
| updatedAt: { | ||
| field: 'updated_at', | ||
| type: DataTypes.DATE, | ||
| allowNull: false, | ||
| defaultValue: DataTypes.NOW, | ||
| }, | ||
| }, | ||
| { | ||
| tableName: 'user_notification_tokens', | ||
| timestamps: true, | ||
| underscored: true, | ||
| }, | ||
| ); | ||
|
|
||
| return UserNotificationToken; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| import * as http2 from 'http2'; | ||
| import jwt, { JwtHeader } from 'jsonwebtoken'; | ||
| import Logger from '../../lib/logger'; | ||
|
|
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| export default class Apn { | ||
| private static instance: Apn; | ||
| private client: http2.ClientHttp2Session; | ||
| private readonly maxReconnectAttempts = 3; | ||
| private reconnectAttempts = 0; | ||
| private reconnectDelay = 1000; | ||
| private readonly bundleId = process.env.APN_BUNDLE_ID; | ||
|
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| private jwt: string | null = null; | ||
| private jwtGeneratedAt = 0; | ||
|
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| constructor() { | ||
| this.client = this.connectToAPN(); | ||
| } | ||
|
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| static getInstance(): Apn { | ||
| if (!Apn.instance) { | ||
| Apn.instance = new Apn(); | ||
| } | ||
| return Apn.instance; | ||
| } | ||
|
|
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| private connectToAPN(): http2.ClientHttp2Session { | ||
| const apnSecret = process.env.APN_SECRET; | ||
| const apnKeyId = process.env.APN_KEY_ID; | ||
| const apnTeamId = process.env.APN_TEAM_ID; | ||
|
|
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| if (!apnSecret || !apnKeyId || !apnTeamId) { | ||
| Logger.getInstance().warn('APN env variables must be defined'); | ||
| } | ||
|
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| const client = http2.connect(process.env.APN_URL as string, {}); | ||
|
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| client.on('error', (err) => { | ||
| Logger.getInstance().error('APN connection error', err); | ||
| }); | ||
| client.on('close', () => { | ||
| Logger.getInstance().warn('APN connection was closed'); | ||
| this.handleReconnect(); | ||
| }); | ||
| client.on('connect', () => { | ||
| Logger.getInstance().info('Connected to APN'); | ||
| }); | ||
|
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| return client; | ||
| } | ||
|
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| private generateJwt(): string { | ||
| if (this.jwt && Date.now() - this.jwtGeneratedAt < 3600) { | ||
| return this.jwt; | ||
| } | ||
|
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| this.jwt = jwt.sign( | ||
| { | ||
| iss: process.env.APN_TEAM_ID, | ||
| iat: Math.floor(Date.now() / 1000), | ||
| }, | ||
| process.env.APN_SECRET as string, | ||
| { | ||
| algorithm: 'ES256', | ||
| header: { | ||
| alg: 'ES256', | ||
| kid: process.env.APN_KEY_ID, | ||
| } as JwtHeader, | ||
| }, | ||
| ); | ||
|
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| this.jwtGeneratedAt = Date.now(); | ||
|
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| return this.jwt; | ||
| } | ||
|
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| private handleReconnect() { | ||
| if (this.reconnectAttempts < this.maxReconnectAttempts) { | ||
| setTimeout(() => { | ||
| Logger.getInstance().info(`Attempting to reconnect to APN (#${this.reconnectAttempts + 1})`); | ||
| this.connectToAPN(); | ||
| this.reconnectAttempts++; | ||
| }, this.reconnectDelay * Math.pow(2, this.reconnectAttempts)); | ||
| } else { | ||
| Logger.getInstance().error('Maximum APN reconnection attempts reached'); | ||
| } | ||
| } | ||
|
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| public sendNotification(payload: Record<string, any>, topic?: string): void { | ||
| const headers = { | ||
| 'apns-topic': topic ?? `${this.bundleId}.pushkit.fileprovider`, | ||
| authorization: `bearer ${this.generateJwt()}`, | ||
| }; | ||
|
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| const options = { | ||
| ':method': 'POST', | ||
| ':path': `/3/device/${payload.deviceToken}`, | ||
| ':scheme': 'https', | ||
| ':authority': 'api.push.apple.com', | ||
| 'content-type': 'application/json', | ||
| }; | ||
|
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| const req = this.client.request({ ...options, ...headers }); | ||
|
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| req.setEncoding('utf8'); | ||
| req.write(JSON.stringify(payload)); | ||
| req.end(); | ||
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| req.on('error', (err) => { | ||
| Logger.getInstance().error('APN request error', err); | ||
| }); | ||
| } | ||
| } |