evolution-api/src/whatsapp/services/monitor.service.ts
Alan Mosko dc3d59bae1 wip
2023-07-26 11:12:00 -03:00

355 lines
13 KiB
TypeScript

import { execSync } from 'child_process';
import EventEmitter2 from 'eventemitter2';
import { opendirSync, readdirSync, rmSync } from 'fs';
import { Db } from 'mongodb';
import { join } from 'path';
import { Auth, ConfigService, Database, DelInstance, HttpServer, Redis } from '../../config/env.config';
import { Logger } from '../../config/logger.config';
import { INSTANCE_DIR, STORE_DIR } from '../../config/path.config';
import { dbserver } from '../../db/db.connect';
import { RedisCache } from '../../db/redis.client';
import { NotFoundException } from '../../exceptions';
import {
AuthModel,
ChatwootModel,
ContactModel,
MessageModel,
MessageUpModel,
SettingsModel,
WebhookModel,
} from '../models';
import { RepositoryBroker } from '../repository/repository.manager';
import { WAStartupService } from './whatsapp.service';
export class WAMonitoringService {
constructor(
private readonly eventEmitter: EventEmitter2,
private readonly configService: ConfigService,
private readonly repository: RepositoryBroker,
private readonly cache: RedisCache,
) {
this.logger.verbose('instance created');
this.removeInstance();
this.noConnection();
this.delInstanceFiles();
Object.assign(this.db, configService.get<Database>('DATABASE'));
Object.assign(this.redis, configService.get<Redis>('REDIS'));
this.dbInstance = this.db.ENABLED
? this.repository.dbServer?.db(this.db.CONNECTION.DB_PREFIX_NAME + '-instances')
: undefined;
}
private readonly db: Partial<Database> = {};
private readonly redis: Partial<Redis> = {};
private dbInstance: Db;
private dbStore = dbserver;
private readonly logger = new Logger(WAMonitoringService.name);
public readonly waInstances: Record<string, WAStartupService> = {};
public delInstanceTime(instance: string) {
const time = this.configService.get<DelInstance>('DEL_INSTANCE');
if (typeof time === 'number' && time > 0) {
this.logger.verbose(`Instance "${instance}" don't have connection, will be removed in ${time} minutes`);
setTimeout(async () => {
if (this.waInstances[instance]?.connectionStatus?.state !== 'open') {
if (this.waInstances[instance]?.connectionStatus?.state === 'connecting') {
await this.waInstances[instance]?.client?.logout('Log out instance: ' + instance);
this.waInstances[instance]?.client?.ws?.close();
this.waInstances[instance]?.client?.end(undefined);
delete this.waInstances[instance];
} else {
delete this.waInstances[instance];
this.eventEmitter.emit('remove.instance', instance, 'inner');
}
}
}, 1000 * 60 * time);
}
}
public async instanceInfo(instanceName?: string) {
this.logger.verbose('get instance info');
if (instanceName && !this.waInstances[instanceName]) {
throw new NotFoundException(`Instance "${instanceName}" not found`);
}
const instances: any[] = [];
for await (const [key, value] of Object.entries(this.waInstances)) {
if (value) {
this.logger.verbose('get instance info: ' + key);
let chatwoot: any;
const urlServer = this.configService.get<HttpServer>('SERVER').URL;
const findChatwoot = await this.waInstances[key].findChatwoot();
if (findChatwoot && findChatwoot.enabled) {
chatwoot = {
...findChatwoot,
webhook_url: `${urlServer}/chatwoot/webhook/${key}`,
};
}
if (value.connectionStatus.state === 'open') {
this.logger.verbose('instance: ' + key + ' - connectionStatus: open');
const instanceData = {
instance: {
instanceName: key,
owner: value.wuid,
profileName: (await value.getProfileName()) || 'not loaded',
profilePictureUrl: value.profilePictureUrl,
profileStatus: (await value.getProfileStatus()) || '',
status: value.connectionStatus.state,
},
};
if (this.configService.get<Auth>('AUTHENTICATION').EXPOSE_IN_FETCH_INSTANCES) {
instanceData.instance['serverUrl'] = this.configService.get<HttpServer>('SERVER').URL;
instanceData.instance['apikey'] = (await this.repository.auth.find(key)).apikey;
instanceData.instance['chatwoot'] = chatwoot;
}
instances.push(instanceData);
} else {
this.logger.verbose('instance: ' + key + ' - connectionStatus: ' + value.connectionStatus.state);
const instanceData = {
instance: {
instanceName: key,
status: value.connectionStatus.state,
},
};
if (this.configService.get<Auth>('AUTHENTICATION').EXPOSE_IN_FETCH_INSTANCES) {
instanceData.instance['serverUrl'] = this.configService.get<HttpServer>('SERVER').URL;
instanceData.instance['apikey'] = (await this.repository.auth.find(key)).apikey;
instanceData.instance['chatwoot'] = chatwoot;
}
instances.push(instanceData);
}
}
}
this.logger.verbose('return instance info: ' + instances.length);
return instances.find((i) => i.instance.instanceName === instanceName) ?? instances;
}
private delInstanceFiles() {
this.logger.verbose('cron to delete instance files started');
setInterval(async () => {
if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
const collections = await this.dbInstance.collections();
collections.forEach(async (collection) => {
const name = collection.namespace.replace(/^[\w-]+./, '');
await this.dbInstance.collection(name).deleteMany({
$or: [{ _id: { $regex: /^app.state.*/ } }, { _id: { $regex: /^session-.*/ } }],
});
this.logger.verbose('instance files deleted: ' + name);
});
// } else if (this.redis.ENABLED) {
} else {
const dir = opendirSync(INSTANCE_DIR, { encoding: 'utf-8' });
for await (const dirent of dir) {
if (dirent.isDirectory()) {
const files = readdirSync(join(INSTANCE_DIR, dirent.name), {
encoding: 'utf-8',
});
files.forEach(async (file) => {
if (file.match(/^app.state.*/) || file.match(/^session-.*/)) {
rmSync(join(INSTANCE_DIR, dirent.name, file), {
recursive: true,
force: true,
});
}
});
this.logger.verbose('instance files deleted: ' + dirent.name);
}
}
}
}, 3600 * 1000 * 2);
}
public async cleaningUp(instanceName: string) {
this.logger.verbose('cleaning up instance: ' + instanceName);
if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
this.logger.verbose('cleaning up instance in database: ' + instanceName);
await this.repository.dbServer.connect();
const collections: any[] = await this.dbInstance.collections();
if (collections.length > 0) {
await this.dbInstance.dropCollection(instanceName);
}
return;
}
if (this.redis.ENABLED) {
this.logger.verbose('cleaning up instance in redis: ' + instanceName);
this.cache.reference = instanceName;
await this.cache.delAll();
return;
}
this.logger.verbose('cleaning up instance in files: ' + instanceName);
rmSync(join(INSTANCE_DIR, instanceName), { recursive: true, force: true });
}
public async cleaningStoreFiles(instanceName: string) {
if (!this.db.ENABLED) {
this.logger.verbose('cleaning store files instance: ' + instanceName);
rmSync(join(INSTANCE_DIR, instanceName), { recursive: true, force: true });
execSync(`rm -rf ${join(STORE_DIR, 'chats', instanceName)}`);
execSync(`rm -rf ${join(STORE_DIR, 'contacts', instanceName)}`);
execSync(`rm -rf ${join(STORE_DIR, 'message-up', instanceName)}`);
execSync(`rm -rf ${join(STORE_DIR, 'messages', instanceName)}`);
execSync(`rm -rf ${join(STORE_DIR, 'auth', 'apikey', instanceName + '.json')}`);
execSync(`rm -rf ${join(STORE_DIR, 'webhook', instanceName + '.json')}`);
execSync(`rm -rf ${join(STORE_DIR, 'chatwoot', instanceName + '*')}`);
execSync(`rm -rf ${join(STORE_DIR, 'settings', instanceName + '*')}`);
return;
}
this.logger.verbose('cleaning store database instance: ' + instanceName);
await AuthModel.deleteMany({ owner: instanceName });
await ContactModel.deleteMany({ owner: instanceName });
await MessageModel.deleteMany({ owner: instanceName });
await MessageUpModel.deleteMany({ owner: instanceName });
await AuthModel.deleteMany({ _id: instanceName });
await WebhookModel.deleteMany({ _id: instanceName });
await ChatwootModel.deleteMany({ _id: instanceName });
await SettingsModel.deleteMany({ _id: instanceName });
return;
}
public async loadInstance() {
this.logger.verbose('load instances');
const set = async (name: string) => {
const instance = new WAStartupService(this.configService, this.eventEmitter, this.repository, this.cache);
instance.instanceName = name;
this.logger.verbose('instance loaded: ' + name);
await instance.connectToWhatsapp();
this.logger.verbose('connectToWhatsapp: ' + name);
this.waInstances[name] = instance;
};
try {
if (this.redis.ENABLED) {
this.logger.verbose('redis enabled');
await this.cache.connect(this.redis as Redis);
const keys = await this.cache.instanceKeys();
if (keys?.length > 0) {
this.logger.verbose('reading instance keys and setting instances');
keys.forEach(async (k) => await set(k.split(':')[1]));
} else {
this.logger.verbose('no instance keys found');
}
return;
}
if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
this.logger.verbose('database enabled');
await this.repository.dbServer.connect();
const collections: any[] = await this.dbInstance.collections();
if (collections.length > 0) {
this.logger.verbose('reading collections and setting instances');
collections.forEach(async (coll) => await set(coll.namespace.replace(/^[\w-]+\./, '')));
} else {
this.logger.verbose('no collections found');
}
return;
}
this.logger.verbose('store in files enabled');
const dir = opendirSync(INSTANCE_DIR, { encoding: 'utf-8' });
for await (const dirent of dir) {
if (dirent.isDirectory()) {
this.logger.verbose('reading instance files and setting instances');
const files = readdirSync(join(INSTANCE_DIR, dirent.name), {
encoding: 'utf-8',
});
if (files.length === 0) {
rmSync(join(INSTANCE_DIR, dirent.name), { recursive: true, force: true });
break;
}
await set(dirent.name);
} else {
this.logger.verbose('no instance files found');
}
}
} catch (error) {
this.logger.error(error);
}
}
private removeInstance() {
this.eventEmitter.on('remove.instance', async (instanceName: string) => {
this.logger.verbose('remove instance: ' + instanceName);
try {
this.logger.verbose('instance: ' + instanceName + ' - removing from memory');
this.waInstances[instanceName] = undefined;
} catch (error) {
this.logger.error(error);
}
try {
this.logger.verbose('request cleaning up instance: ' + instanceName);
this.cleaningUp(instanceName);
this.cleaningStoreFiles(instanceName);
} finally {
this.logger.warn(`Instance "${instanceName}" - REMOVED`);
}
});
this.eventEmitter.on('logout.instance', async (instanceName: string) => {
this.logger.verbose('logout instance: ' + instanceName);
try {
this.logger.verbose('request cleaning up instance: ' + instanceName);
this.cleaningUp(instanceName);
} finally {
this.logger.warn(`Instance "${instanceName}" - LOGOUT`);
}
});
}
private noConnection() {
this.logger.verbose('checking instances without connection');
this.eventEmitter.on('no.connection', async (instanceName) => {
try {
this.logger.verbose('instance: ' + instanceName + ' - removing from memory');
this.waInstances[instanceName] = undefined;
this.logger.verbose('request cleaning up instance: ' + instanceName);
this.cleaningUp(instanceName);
} catch (error) {
this.logger.error({
localError: 'noConnection',
warn: 'Error deleting instance from memory.',
error,
});
} finally {
this.logger.warn(`Instance "${instanceName}" - NOT CONNECTION`);
}
});
}
}