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fetchLatestWaWebVersion.ts
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106 lines (86 loc) · 3.33 KB
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import axios, { AxiosRequestConfig } from 'axios';
import { fetchLatestBaileysVersion, WAVersion } from 'baileys';
import { CacheService } from '../api/services/cache.service';
import { CacheEngine } from '../cache/cacheengine';
import { Baileys, configService } from '../config/env.config';
// Cache keys
const CACHE_KEY_WHATSAPP_WEB_VERSION = 'whatsapp_web_version';
const CACHE_KEY_BAILEYS_FALLBACK_VERSION = 'baileys_fallback_version';
// Cache TTL (1 hour in seconds)
const CACHE_TTL_SECONDS = 3600;
const MODULE_NAME = 'whatsapp-version';
export const fetchLatestWaWebVersion = async (options: AxiosRequestConfig<{}>, cache?: CacheService) => {
// Check if manual version is set via configuration
const baileysConfig = configService.get<Baileys>('BAILEYS');
const manualVersion = baileysConfig?.VERSION;
if (manualVersion) {
const versionParts = manualVersion.split('.').map(Number);
if (versionParts.length === 3 && !versionParts.some(isNaN)) {
return {
version: versionParts as WAVersion,
isLatest: false,
isManual: true,
};
}
}
let versionCache = cache || null;
if (!versionCache) {
// Cache estático para versões do WhatsApp Web e fallback do Baileys (fallback se não for passado via parâmetro)
const cacheEngine = new CacheEngine(configService, MODULE_NAME);
const engine = cacheEngine.getEngine();
const defaultVersionCache = new CacheService(engine);
versionCache = defaultVersionCache;
}
// Check cache for WhatsApp Web version
const cachedWaVersion = await versionCache.get(CACHE_KEY_WHATSAPP_WEB_VERSION);
if (cachedWaVersion) {
return cachedWaVersion;
}
try {
const { data } = await axios.get('https://web.whatsapp.com/sw.js', {
...options,
responseType: 'json',
});
const regex = /\\?"client_revision\\?":\s*(\d+)/;
const match = data.match(regex);
if (!match?.[1]) {
// Check cache for Baileys fallback version
const cachedFallback = await versionCache.get(CACHE_KEY_BAILEYS_FALLBACK_VERSION);
if (cachedFallback) {
return cachedFallback;
}
// Fetch and cache Baileys fallback version
const fallbackVersion = {
version: (await fetchLatestBaileysVersion()).version as WAVersion,
isLatest: false,
error: {
message: 'Could not find client revision in the fetched content',
},
};
await versionCache.set(CACHE_KEY_BAILEYS_FALLBACK_VERSION, fallbackVersion, CACHE_TTL_SECONDS);
return fallbackVersion;
}
const clientRevision = match[1];
const result = {
version: [2, 3000, +clientRevision] as WAVersion,
isLatest: true,
};
// Cache the successful result
await versionCache.set(CACHE_KEY_WHATSAPP_WEB_VERSION, result, CACHE_TTL_SECONDS);
return result;
} catch (error) {
// Check cache for Baileys fallback version
const cachedFallback = await versionCache.get(CACHE_KEY_BAILEYS_FALLBACK_VERSION);
if (cachedFallback) {
return cachedFallback;
}
// Fetch and cache Baileys fallback version
const fallbackVersion = {
version: (await fetchLatestBaileysVersion()).version as WAVersion,
isLatest: false,
error,
};
await versionCache.set(CACHE_KEY_BAILEYS_FALLBACK_VERSION, fallbackVersion, CACHE_TTL_SECONDS);
return fallbackVersion;
}
};