128 lines
4.2 KiB
Go
128 lines
4.2 KiB
Go
// mautrix-signal - A Matrix-signal puppeting bridge.
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// Copyright (C) 2023 Sumner Evans
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package libsignalgo
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/*
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#cgo LDFLAGS: -lsignal_ffi -ldl -lm
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#include "./libsignal-ffi.h"
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*/
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import "C"
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import "runtime"
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type ServerCertificate struct {
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nc noCopy
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ptr *C.SignalServerCertificate
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}
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func wrapServerCertificate(ptr *C.SignalServerCertificate) *ServerCertificate {
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serverCertificate := &ServerCertificate{ptr: ptr}
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runtime.SetFinalizer(serverCertificate, (*ServerCertificate).Destroy)
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return serverCertificate
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}
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// NewServerCertificate should only be used for testing (at least according to
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// the Swift bindings).
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func NewServerCertificate(keyID uint32, publicKey *PublicKey, trustRoot *PrivateKey) (*ServerCertificate, error) {
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var serverCertificate *C.SignalServerCertificate
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signalFfiError := C.signal_server_certificate_new(&serverCertificate, C.uint32_t(keyID), publicKey.ptr, trustRoot.ptr)
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runtime.KeepAlive(publicKey)
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runtime.KeepAlive(trustRoot)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return wrapServerCertificate(serverCertificate), nil
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}
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func DeserializeServerCertificate(serialized []byte) (*ServerCertificate, error) {
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var serverCertificate *C.SignalServerCertificate
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signalFfiError := C.signal_server_certificate_deserialize(&serverCertificate, BytesToBuffer(serialized))
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runtime.KeepAlive(serialized)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return wrapServerCertificate(serverCertificate), nil
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}
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func (sc *ServerCertificate) Clone() (*ServerCertificate, error) {
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var cloned *C.SignalServerCertificate
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signalFfiError := C.signal_server_certificate_clone(&cloned, sc.ptr)
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runtime.KeepAlive(sc)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return wrapServerCertificate(cloned), nil
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}
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func (sc *ServerCertificate) Destroy() error {
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sc.CancelFinalizer()
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return wrapError(C.signal_server_certificate_destroy(sc.ptr))
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}
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func (sc *ServerCertificate) CancelFinalizer() {
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runtime.SetFinalizer(sc, nil)
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}
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func (sc *ServerCertificate) Serialize() ([]byte, error) {
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var serialized C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
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signalFfiError := C.signal_server_certificate_get_serialized(&serialized, sc.ptr)
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runtime.KeepAlive(sc)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return CopySignalOwnedBufferToBytes(serialized), nil
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}
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func (sc *ServerCertificate) GetCertificate() ([]byte, error) {
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var certificate C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
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signalFfiError := C.signal_server_certificate_get_certificate(&certificate, sc.ptr)
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runtime.KeepAlive(sc)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return CopySignalOwnedBufferToBytes(certificate), nil
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}
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func (sc *ServerCertificate) GetSignature() ([]byte, error) {
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var signature C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
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signalFfiError := C.signal_server_certificate_get_signature(&signature, sc.ptr)
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runtime.KeepAlive(sc)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return CopySignalOwnedBufferToBytes(signature), nil
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}
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func (sc *ServerCertificate) GetKeyID() (uint32, error) {
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var keyID C.uint32_t
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signalFfiError := C.signal_server_certificate_get_key_id(&keyID, sc.ptr)
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runtime.KeepAlive(sc)
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if signalFfiError != nil {
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return 0, wrapError(signalFfiError)
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}
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return uint32(keyID), nil
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}
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func (sc *ServerCertificate) GetKey() (*PublicKey, error) {
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var key *C.SignalPublicKey
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signalFfiError := C.signal_server_certificate_get_key(&key, sc.ptr)
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runtime.KeepAlive(sc)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return wrapPublicKey(key), nil
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}
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