81 lines
3.2 KiB
Go
81 lines
3.2 KiB
Go
// mautrix-signal - A Matrix-signal puppeting bridge.
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// Copyright (C) 2023 Scott Weber
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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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typedef const SignalKyberPreKeyRecord const_kyber_pre_key_record;
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extern int signal_load_kyber_pre_key_callback(void *store_ctx, SignalKyberPreKeyRecord **recordp, uint32_t id);
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extern int signal_store_kyber_pre_key_callback(void *store_ctx, uint32_t id, const_kyber_pre_key_record *record);
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extern int signal_mark_kyber_pre_key_used_callback(void *store_ctx, uint32_t id);
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*/
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import "C"
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import (
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"context"
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"unsafe"
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)
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type KyberPreKeyStore interface {
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LoadKyberPreKey(ctx context.Context, id uint32) (*KyberPreKeyRecord, error)
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StoreKyberPreKey(ctx context.Context, id uint32, kyberPreKeyRecord *KyberPreKeyRecord) error
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MarkKyberPreKeyUsed(ctx context.Context, id uint32) error
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}
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//export signal_load_kyber_pre_key_callback
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func signal_load_kyber_pre_key_callback(storeCtx unsafe.Pointer, keyp **C.SignalKyberPreKeyRecord, id C.uint32_t) C.int {
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return wrapStoreCallback(storeCtx, func(store KyberPreKeyStore, ctx context.Context) error {
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key, err := store.LoadKyberPreKey(ctx, uint32(id))
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if err == nil && key != nil {
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key.CancelFinalizer()
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*keyp = key.ptr
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}
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return err
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})
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}
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//export signal_store_kyber_pre_key_callback
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func signal_store_kyber_pre_key_callback(storeCtx unsafe.Pointer, id C.uint32_t, preKeyRecord *C.const_kyber_pre_key_record) C.int {
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return wrapStoreCallback(storeCtx, func(store KyberPreKeyStore, ctx context.Context) error {
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record := KyberPreKeyRecord{ptr: (*C.SignalKyberPreKeyRecord)(unsafe.Pointer(preKeyRecord))}
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cloned, err := record.Clone()
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if err != nil {
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return err
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}
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return store.StoreKyberPreKey(ctx, uint32(id), cloned)
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})
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}
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//export signal_mark_kyber_pre_key_used_callback
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func signal_mark_kyber_pre_key_used_callback(storeCtx unsafe.Pointer, id C.uint32_t) C.int {
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return wrapStoreCallback(storeCtx, func(store KyberPreKeyStore, ctx context.Context) error {
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err := store.MarkKyberPreKeyUsed(ctx, uint32(id))
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return err
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})
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}
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func (ctx *CallbackContext) wrapKyberPreKeyStore(store KyberPreKeyStore) *C.SignalKyberPreKeyStore {
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return &C.SignalKyberPreKeyStore{
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ctx: wrapStore(ctx, store),
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load_kyber_pre_key: C.SignalLoadKyberPreKey(C.signal_load_kyber_pre_key_callback),
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store_kyber_pre_key: C.SignalStoreKyberPreKey(C.signal_store_kyber_pre_key_callback),
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mark_kyber_pre_key_used: C.SignalMarkKyberPreKeyUsed(C.signal_mark_kyber_pre_key_used_callback),
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}
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}
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