perf: 图片 sha256 转为 base64 字符串

wai-server/core/baileys/helper.js

@@ -67,7 +67,13 @@ const getFileExtension = mimeType => {
   }
 }
 
+const uint8ArrayToBase64  = uint8Array => {
+  const binaryString = String.fromCharCode(...uint8Array);
+  return btoa(binaryString);
+}
+
 module.exports = {
+  uint8ArrayToBase64,
   getFileExtension,
   formatTimestamp,
   formatStatus,

wai-server/core/baileys/index.js

@@ -15,7 +15,7 @@ const { writeFile } = require('fs/promises');
 const waEmitter = require('../emitter');
 const serverConfig = require('../../config').server;
 
-const { encodeJid, decodeJid, formatStatus, formatTimestamp, getFileExtension } = require('./helper');
+const { encodeJid, decodeJid, formatStatus, formatTimestamp, getFileExtension, uint8ArrayToBase64 } = require('./helper');
 const generateId = require('../../utils/generateId.util');
 const NodeCache = require('node-cache');
 const P = require('pino');
@@ -152,10 +152,10 @@ const createWhatsApp = async phone => {
                 direction: 'outbound',
                 from: whatsAppNo,
                 to: remoteNo,
-                type: 'text',
+                type: 'image',
                 image: {
                   mimetype: imageMessage.mimetype,
-                  sha256: imageMessage.fileSha256,
+                  sha256: uint8ArrayToBase64(imageMessage.fileSha256),
                   caption: '', // 暂时为空
                   filename: imageFilename,
                   link_original: imageMessage.url,