chat: invite-ссылки с несколькими адресами + ncd-адреса узлов (join)

tools/chatgui/src/invite_link.cpp

@@ -82,14 +82,14 @@ InviteData decodeInviteLink(const QString& link) {
     int off = 0;
 
     uint8_t ver = data[off++];
-    if (ver != INVITE_LINK_VERSION && ver != 0x02) {
+    if (ver != INVITE_LINK_VERSION && ver != 0x02 && ver != 0x01) {
         d.error = QStringLiteral("unsupported version 0x%1").arg(ver, 2, 16, QLatin1Char('0'));
         GUI_ERROR("decodeInviteLink: unsupported version %d", ver);
         return d;
     }
 
-    /* v2: password field before channel_id */
-    if (ver == 0x02) {
+    /* v2/v3: password field before channel_id */
+    if (ver == 0x02 || ver == INVITE_LINK_VERSION) {
         if (off >= len) {
             d.error = QStringLiteral("truncated at pass_len");
             return d;
@@ -127,6 +127,23 @@ InviteData decodeInviteLink(const QString& link) {
         jk = (jk << 8) | data[off++];
     d.joinKey = jk;
 
+    /* v3: reality-блок (node-global параметры) */
+    if (ver == INVITE_LINK_VERSION) {
+        if (off >= len) { d.error = QStringLiteral("truncated at reality"); return d; }
+        if (data[off++] != 0) {
+            if (off + 8 + 32 + 3 + 1 > len) { d.error = QStringLiteral("truncated at reality params"); return d; }
+            d.reality.shortId = QByteArray(reinterpret_cast<const char*>(data + off), 8); off += 8;
+            d.reality.serverPubkey = QByteArray(reinterpret_cast<const char*>(data + off), 32); off += 32;
+            d.reality.version = QByteArray(reinterpret_cast<const char*>(data + off), 3); off += 3;
+            uint8_t snlen = data[off++];
+            if (snlen > INVITE_SNAME_MAX - 1) snlen = INVITE_SNAME_MAX - 1;
+            if (off + snlen > len) { d.error = QStringLiteral("truncated at reality server_name"); return d; }
+            d.reality.serverName = QString::fromUtf8(reinterpret_cast<const char*>(data + off), snlen);
+            off += snlen;
+            d.reality.has = true;
+        }
+    }
+
     bool firstBlock = true;
     while (off + 1 <= len) {
         uint8_t header = data[off++];
@@ -169,3 +186,25 @@ InviteData decodeInviteLink(const QString& link) {
 
     return d;
 }
+
+QByteArray serializeInviteAddrs(const InviteData& d) {
+    QByteArray buf;
+    buf.append(static_cast<char>(d.reality.has ? 1 : 0));
+    if (d.reality.has) {
+        buf.append(d.reality.shortId.leftJustified(8, '\0', true));
+        buf.append(d.reality.serverPubkey.leftJustified(32, '\0', true));
+        buf.append(d.reality.version.leftJustified(3, '\0', true));
+        QByteArray sn = d.reality.serverName.toUtf8().left(INVITE_SNAME_MAX - 1);
+        buf.append(static_cast<char>(sn.size()));
+        buf.append(sn);
+    }
+    for (const auto& a : d.addrs) {
+        buf.append(static_cast<char>(a.family));
+        buf.append(static_cast<char>(a.socketId));
+        buf.append(static_cast<char>(a.proto));
+        buf.append(a.address);
+        buf.append(static_cast<char>((a.port >> 8) & 0xFF));
+        buf.append(static_cast<char>(a.port & 0xFF));
+    }
+    return buf;
+}