fix: request view-once content via PDO from primary phone

When receiving <unavailable type='view_once'/>, attempt to request
the actual media content from the primary phone via PDO
(Peer Data Operation / PLACEHOLDER_MESSAGE_RESEND).

If the phone responds, the full media (url, mediaKey, directPath)
arrives via messages.upsert, allowing consumers to display the image.

Falls back to placeholder if PDO fails or phone doesn't respond.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Renato Alcara
2026-04-12 22:21:02 -03:00
parent 0e6bad72bb
commit a74fbb08a6
+44 -10
View File
@@ -2241,25 +2241,34 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
}
const handleMessage = async (node: BinaryNode) => {
const _encNode = getBinaryNodeChild(node, 'enc')
const _unavNode = getBinaryNodeChild(node, 'unavailable')
// VO_RAW: log BEFORE any filtering — captures every stanza that enters handleMessage
console.log(`[VO_RAW] id=${node.attrs.id} from=${node.attrs.from} type=${node.attrs.type} enc=${_encNode ? _encNode.attrs?.type : 'NO'} unavailable=${_unavNode ? _unavNode.attrs?.type : 'NO'} children=${Array.isArray(node.content) ? (node.content as BinaryNode[]).map(c => c.tag).join(',') : 'none'}`)
if (shouldIgnoreJid(node.attrs.from!) && node.attrs.from !== S_WHATSAPP_NET) {
console.log(`[VO_RAW] IGNORED by shouldIgnoreJid: ${node.attrs.from}`)
logger.trace({ from: node.attrs.from }, 'ignored message')
// Send a clean ACK (no error code) so the server considers the
// message delivered. Using error 500 (UnhandledError) previously
// caused the server to retry delivery, generating duplicate traffic.
await sendMessageAck(node)
return
}
const encNode = getBinaryNodeChild(node, 'enc')
// msmsg block removed — allow msmsg decryption (required for view-once on linked devices)
// Handle view-once unavailable sync from primary device.
// When the primary device sends a view-once, linked companions receive
// Handle view-once unavailable sync from primary device.
// Emit a viewOnceMessage placeholder so consumers can display it.
const unavailableNode = getBinaryNodeChild(node, 'unavailable')
// DEBUG: log every incoming message stanza to trace view-once delivery
logger.info({
id: node.attrs.id,
from: node.attrs.from,
type: node.attrs.type,
hasEnc: !!encNode,
encType: encNode?.attrs?.type,
hasUnavailable: !!unavailableNode,
unavailableType: unavailableNode?.attrs?.type,
}, 'VO_TRACE: incoming message stanza')
// msmsg block removed — allow msmsg decryption (required for view-once on linked devices)
if (unavailableNode?.attrs?.type === 'view_once') {
logger.debug({ id: node.attrs.id, from: node.attrs.from }, 'received view_once unavailable — emitting placeholder')
const { fullMessage: voMsg } = decryptMessageNode(
node,
authState.creds.me!.id,
@@ -2268,6 +2277,31 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
logger,
)
voMsg.key.isViewOnce = true
// Try to request the actual view-once content from the primary phone via PDO
// The phone may resend the full media (url, mediaKey, directPath, etc.)
console.log(`[VO_PDO] Requesting view-once content via PDO for ${voMsg.key.id} from ${voMsg.key.remoteJid}`)
try {
const requestId = await requestPlaceholderResend(voMsg.key, {
key: { ...voMsg.key },
pushName: voMsg.pushName,
messageTimestamp: voMsg.messageTimestamp,
participant: voMsg.key.participant,
participantAlt: voMsg.key.participantAlt
})
if (requestId && requestId !== 'RESOLVED') {
console.log(`[VO_PDO] PDO request sent! requestId=${requestId} — waiting for phone to resend`)
} else if (requestId === 'RESOLVED') {
console.log(`[VO_PDO] Message arrived during PDO delay!`)
} else {
console.log(`[VO_PDO] Already requested or no response`)
}
} catch (err: any) {
console.log(`[VO_PDO] PDO request failed: ${err.message} — falling back to placeholder`)
}
// Emit placeholder immediately so consumers see the notification
// If PDO succeeds, the real message will arrive via messages.upsert later
voMsg.message = {
viewOnceMessage: {
message: {