Direct proxy works

_mtproto/rpc/proxy_flags.go

@@ -0,0 +1,59 @@
+package rpc
+
+import (
+	"encoding/binary"
+	"strings"
+)
+
+type proxyRequestFlags uint32
+
+const (
+	proxyRequestFlagsHasAdTag     proxyRequestFlags = 0x8
+	proxyRequestFlagsEncrypted    proxyRequestFlags = 0x2
+	proxyRequestFlagsMagic        proxyRequestFlags = 0x1000
+	proxyRequestFlagsExtMode2     proxyRequestFlags = 0x20000
+	proxyRequestFlagsIntermediate proxyRequestFlags = 0x20000000
+	proxyRequestFlagsAbdridged    proxyRequestFlags = 0x40000000
+	proxyRequestFlagsQuickAck     proxyRequestFlags = 0x80000000
+	proxyRequestFlagsPad          proxyRequestFlags = 0x8000000
+)
+
+var proxyRequestFlagsEncryptedPrefix [8]byte
+
+func (r proxyRequestFlags) Bytes() []byte {
+	converted := make([]byte, 4)
+	binary.LittleEndian.PutUint32(converted, uint32(r))
+
+	return converted
+}
+
+func (r proxyRequestFlags) String() string {
+	flags := make([]string, 0, 7)
+
+	if r&proxyRequestFlagsHasAdTag != 0 {
+		flags = append(flags, "HAS_AD_TAG")
+	}
+	if r&proxyRequestFlagsEncrypted != 0 {
+		flags = append(flags, "ENCRYPTED")
+	}
+	if r&proxyRequestFlagsMagic != 0 {
+		flags = append(flags, "MAGIC")
+	}
+	if r&proxyRequestFlagsExtMode2 != 0 {
+		flags = append(flags, "EXT_MODE_2")
+	}
+	if r&proxyRequestFlagsIntermediate != 0 {
+		flags = append(flags, "INTERMEDIATE")
+	}
+	if r&proxyRequestFlagsAbdridged != 0 {
+		flags = append(flags, "ABRIDGED")
+	}
+	if r&proxyRequestFlagsQuickAck != 0 {
+		flags = append(flags, "QUICK_ACK")
+	}
+	if r&proxyRequestFlagsPad != 0 {
+		flags = append(flags, "PAD")
+	}
+
+	return strings.Join(flags, " | ")
+}