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/*
* Copyright 2022-present MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <bson/bson.h>
#include "mc-fle2-find-range-payload-private.h"
#include "mongocrypt-buffer-private.h"
#include "mongocrypt.h"
void mc_FLE2FindRangePayload_init(mc_FLE2FindRangePayload_t *payload) {
BSON_ASSERT_PARAM(payload);
*payload = (mc_FLE2FindRangePayload_t){{{{0}}}};
_mc_array_init(&payload->payload.value.edgeFindTokenSetArray, sizeof(mc_EdgeFindTokenSet_t));
}
static void mc_EdgeFindTokenSet_cleanup(mc_EdgeFindTokenSet_t *etc) {
if (!etc) {
return;
}
_mongocrypt_buffer_cleanup(&etc->edcDerivedToken);
_mongocrypt_buffer_cleanup(&etc->escDerivedToken);
_mongocrypt_buffer_cleanup(&etc->eccDerivedToken);
}
void mc_FLE2FindRangePayload_cleanup(mc_FLE2FindRangePayload_t *payload) {
if (!payload) {
return;
}
_mongocrypt_buffer_cleanup(&payload->payload.value.serverEncryptionToken);
// Free all EdgeFindTokenSet entries.
for (size_t i = 0; i < payload->payload.value.edgeFindTokenSetArray.len; i++) {
mc_EdgeFindTokenSet_t entry =
_mc_array_index(&payload->payload.value.edgeFindTokenSetArray, mc_EdgeFindTokenSet_t, i);
mc_EdgeFindTokenSet_cleanup(&entry);
}
_mc_array_destroy(&payload->payload.value.edgeFindTokenSetArray);
}
#define APPEND_BINDATA(out, name, value) \
if (!_mongocrypt_buffer_append(&(value), out, name, -1)) { \
return false; \
} else \
((void)0)
bool mc_FLE2FindRangePayload_serialize(const mc_FLE2FindRangePayload_t *payload, bson_t *out) {
BSON_ASSERT_PARAM(out);
BSON_ASSERT_PARAM(payload);
// Append "payload" if this is not a stub.
if (payload->payload.set) {
bson_t payload_bson;
if (!BSON_APPEND_DOCUMENT_BEGIN(out, "payload", &payload_bson)) {
return false;
}
// Append "payload.g" array of EdgeTokenSets.
bson_t g_bson;
if (!BSON_APPEND_ARRAY_BEGIN(&payload_bson, "g", &g_bson)) {
return false;
}
uint32_t g_index = 0;
for (size_t i = 0; i < payload->payload.value.edgeFindTokenSetArray.len; i++) {
mc_EdgeFindTokenSet_t etc =
_mc_array_index(&payload->payload.value.edgeFindTokenSetArray, mc_EdgeFindTokenSet_t, i);
bson_t etc_bson;
const char *g_index_string;
char storage[16];
bson_uint32_to_string(g_index, &g_index_string, storage, sizeof(storage));
if (!BSON_APPEND_DOCUMENT_BEGIN(&g_bson, g_index_string, &etc_bson)) {
return false;
}
etc.edcDerivedToken.subtype = BSON_SUBTYPE_BINARY;
etc.escDerivedToken.subtype = BSON_SUBTYPE_BINARY;
etc.eccDerivedToken.subtype = BSON_SUBTYPE_BINARY;
APPEND_BINDATA(&etc_bson, "d", etc.edcDerivedToken);
APPEND_BINDATA(&etc_bson, "s", etc.escDerivedToken);
APPEND_BINDATA(&etc_bson, "c", etc.eccDerivedToken);
if (!bson_append_document_end(&g_bson, &etc_bson)) {
return false;
}
if (g_index == UINT32_MAX) {
break;
}
g_index++;
}
if (!bson_append_array_end(&payload_bson, &g_bson)) {
return false;
}
// Append "payload.e" and "payload.cm".
APPEND_BINDATA(&payload_bson, "e", payload->payload.value.serverEncryptionToken);
if (!BSON_APPEND_INT64(&payload_bson, "cm", payload->payload.value.maxContentionFactor)) {
return false;
}
if (!bson_append_document_end(out, &payload_bson)) {
return false;
}
}
// Append "payloadId"
if (!BSON_APPEND_INT32(out, "payloadId", payload->payloadId)) {
return false;
}
// Append "firstOperator".
if (!BSON_APPEND_INT32(out, "firstOperator", payload->firstOperator)) {
return false;
}
// Append "secondOperator" if present.
if (payload->secondOperator != FLE2RangeOperator_kNone
&& !BSON_APPEND_INT32(out, "secondOperator", payload->secondOperator)) {
return false;
}
return true;
}
#undef APPEND_BINDATA
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