mirror of
https://github.com/mautrix/signal.git
synced 2026-05-15 05:36:53 -04:00
93 lines
3 KiB
Go
93 lines
3 KiB
Go
// mautrix-signal - A Matrix-signal puppeting bridge.
|
|
// Copyright (C) 2023 Sumner Evans
|
|
// Copyright (C) 2025 Tulir Asokan
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package libsignalgo
|
|
|
|
/*
|
|
#include "./libsignal-ffi.h"
|
|
*/
|
|
import "C"
|
|
import "runtime"
|
|
|
|
type CiphertextMessageType uint8
|
|
|
|
const (
|
|
CiphertextMessageTypeWhisper CiphertextMessageType = 2
|
|
CiphertextMessageTypePreKey CiphertextMessageType = 3
|
|
CiphertextMessageTypeSenderKey CiphertextMessageType = 7
|
|
CiphertextMessageTypePlaintext CiphertextMessageType = 8
|
|
)
|
|
|
|
type CiphertextMessage struct {
|
|
nc noCopy
|
|
ptr *C.SignalCiphertextMessage
|
|
}
|
|
|
|
func wrapCiphertextMessage(ptr *C.SignalCiphertextMessage) *CiphertextMessage {
|
|
ciphertextMessage := &CiphertextMessage{ptr: ptr}
|
|
runtime.SetFinalizer(ciphertextMessage, (*CiphertextMessage).Destroy)
|
|
return ciphertextMessage
|
|
}
|
|
|
|
func NewCiphertextMessage(plaintext *PlaintextContent) (*CiphertextMessage, error) {
|
|
var ciphertextMessage C.SignalMutPointerCiphertextMessage
|
|
signalFfiError := C.signal_ciphertext_message_from_plaintext_content(
|
|
&ciphertextMessage,
|
|
plaintext.constPtr(),
|
|
)
|
|
if signalFfiError != nil {
|
|
return nil, wrapError(signalFfiError)
|
|
}
|
|
return wrapCiphertextMessage(ciphertextMessage.raw), nil
|
|
}
|
|
|
|
func (c *CiphertextMessage) mutPtr() C.SignalMutPointerCiphertextMessage {
|
|
return C.SignalMutPointerCiphertextMessage{c.ptr}
|
|
}
|
|
|
|
func (c *CiphertextMessage) constPtr() C.SignalConstPointerCiphertextMessage {
|
|
return C.SignalConstPointerCiphertextMessage{c.ptr}
|
|
}
|
|
|
|
func (c *CiphertextMessage) Destroy() error {
|
|
c.CancelFinalizer()
|
|
return wrapError(C.signal_ciphertext_message_destroy(c.mutPtr()))
|
|
}
|
|
|
|
func (c *CiphertextMessage) CancelFinalizer() {
|
|
runtime.SetFinalizer(c, nil)
|
|
}
|
|
|
|
func (c *CiphertextMessage) Serialize() ([]byte, error) {
|
|
var serialized C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
|
|
signalFfiError := C.signal_ciphertext_message_serialize(&serialized, c.constPtr())
|
|
runtime.KeepAlive(c)
|
|
if signalFfiError != nil {
|
|
return nil, wrapError(signalFfiError)
|
|
}
|
|
return CopySignalOwnedBufferToBytes(serialized), nil
|
|
}
|
|
|
|
func (c *CiphertextMessage) MessageType() (CiphertextMessageType, error) {
|
|
var messageType C.uint8_t
|
|
signalFfiError := C.signal_ciphertext_message_type(&messageType, c.constPtr())
|
|
runtime.KeepAlive(c)
|
|
if signalFfiError != nil {
|
|
return 0, wrapError(signalFfiError)
|
|
}
|
|
return CiphertextMessageType(messageType), nil
|
|
}
|