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fix: sanitize base64 strings in REST API by stripping data url prefixes and whitespaces

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Hamza-Ayed
2026-05-18 19:42:06 +03:00
parent 5717d7047e
commit 9490a2d628
1 changed files with 8 additions and 1 deletions
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9
whatsapp_bridge/server.js
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@@ -726,8 +726,14 @@ app.post('/api/send-media', async (req, res) => {
if (!phone || !base64 || !mimetype) return res.status(400).json({ error: 'phone, base64, and mimetype are required' }); if (!phone || !base64 || !mimetype) return res.status(400).json({ error: 'phone, base64, and mimetype are required' });
try { try {
// Sanitize the base64 string (strip data url prefixes if present)
let cleanBase64 = base64.trim();
if (cleanBase64.includes(';base64,')) {
cleanBase64 = cleanBase64.split(';base64,')[1];
}
const { MessageMedia } = require('whatsapp-web.js'); const { MessageMedia } = require('whatsapp-web.js');
const media = new MessageMedia(mimetype, base64, filename || 'file'); const media = new MessageMedia(mimetype, cleanBase64, filename || 'file');
const chatId = phone.includes('@') ? phone : `${phone}@c.us`; const chatId = phone.includes('@') ? phone : `${phone}@c.us`;
const sentMsg = await waClient.sendMessage(chatId, media, { caption: caption || '' }); const sentMsg = await waClient.sendMessage(chatId, media, { caption: caption || '' });
res.status(200).json({ success: true, messageId: sentMsg.id.id }); res.status(200).json({ success: true, messageId: sentMsg.id.id });
@@ -737,6 +743,7 @@ app.post('/api/send-media', async (req, res) => {
} }
}); });
// ─── HTTP Health Endpoint ────────────────────────────────────────────────── // ─── HTTP Health Endpoint ──────────────────────────────────────────────────
app.get('/health', (req, res) => { app.get('/health', (req, res) => {
res.status(200).json({ res.status(200).json({