/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * 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 <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstring>

#include "sign_tool_service_impl.h"
#include <openssl/ssl.h>
#include "options.h"
#include "cert_tools.h"
#include "params_run_tool.h"
#include "localization_adapter.h"


namespace OHOS {
namespace SignatureTools {

bool TestGenerateSubCert(const uint8_t* data, size_t size)
{
    std::shared_ptr<Options> params = std::make_shared<Options>();
    std::string keyAlias = "oh-app1-key-v1";
    std::string issuerkeyAlias = "oh-app-sign-srv-ca-key-v1";
    char keyPwd[] = "123456";
    std::string keyAlg = "ECC";
    int keySize = 256;
    std::string keystoreFile = "./generateCA/OpenHarmony.p12";
    char keystorePwd[] = "123456";
    std::string signAlg = "SHA256withECDSA";
    std::string subject = std::string(reinterpret_cast<const char*>(data), size);
    std::string issuer = "C=CN,O=OpenHarmony_test,OU=OpenHarmony Community,CN= Openharmony Application SUB  CA";
    char isksPwd[] = "123456";
    (*params)["keystorePwd"] = keystorePwd;
    (*params)["issuerKeystorePwd"] = isksPwd;
    (*params)["keyAlias"] = keyAlias;
    (*params)["keyPwd"] = keyPwd;
    (*params)["keyAlg"] = keyAlg;
    (*params)["keySize"] = keySize;
    (*params)["keystoreFile"] = keystoreFile;
    (*params)["signAlg"] = signAlg;
    (*params)["subject"] = subject;
    (*params)["issuer"] = issuer;
    (*params)["issuerKeyAlias"] = issuerkeyAlias;
    std::unique_ptr<LocalizationAdapter> adaptePtr = std::make_unique<LocalizationAdapter>(params.get());
    EVP_PKEY* keyPair = nullptr;
    keyPair = adaptePtr->GetAliasKey(true);
    X509_REQ* csr = CertTools::GenerateCsr(keyPair, signAlg, subject);
    CertTools::GenerateSubCert(keyPair, csr, params.get());
    return true;
}

bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
{
    bool ret = false;
    std::shared_ptr<SignToolServiceImpl> api = std::make_shared<SignToolServiceImpl>();
    std::shared_ptr<Options> params = std::make_shared<Options>();
    std::string keyAlias = "oh-app1-key-v1";
    std::string issuerkeyAlias = "oh-root-ca-key-v1";
    std::string keystoreFile = "./generateCA/OpenHarmony.p12";
    std::string signAlg = "SHA256withECDSA";
    std::string subject = "C=CN,O=OpenHarmony,OU=OpenHarmony Community,CN= Openharmony Application CA";
    std::string issuer(reinterpret_cast<const char*>(data), size);
    bool keyUsage = true;
    std::string basicConstraints = "true";
    std::string basicConstraintsCritical = "true";
    std::string basicConstraintsCa = "true";
    bool keyUsageCritical = true;
    char secret[] = "123456";
    char isksPwd[] = "123456";
    char keystorePwd[] = "123456";
    char issuerkeypwd[] = "123456";
    int validity = 365;
    std::string outfile = "./generateCA/general.cer";
    (*params)["keyPwd"] = secret;
    (*params)["issuerKeystorePwd"] = isksPwd;
    (*params)["issuerKeyPwd"] = issuerkeypwd;
    (*params)["keyAlias"] = keyAlias;
    (*params)["keystoreFile"] = keystoreFile;
    (*params)["keystorePwd"] = keystorePwd;
    (*params)["signAlg"] = signAlg;
    (*params)["subject"] = subject;
    (*params)["issuer"] = issuer;
    (*params)["issuerKeyAlias"] = issuerkeyAlias;
    (*params)["keyUsage"] = keyUsage;
    (*params)["basicConstraints"] = basicConstraints;
    (*params)["basicConstraintsCritical"] = basicConstraintsCritical;
    (*params)["basicConstraintsCa"] = basicConstraintsCa;
    (*params)["keyUsageCritical"] = keyUsageCritical;
    (*params)["validity"] = validity;
    (*params)["outFile"] = outfile;
    api->GenerateCert(params.get());
    ret = api->OutputString("hello world", "./generateCA/tmp.data");
    return ret;
}
}
}

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    /* Run your code on data */
    OHOS::SignatureTools::TestGenerateSubCert(data, size);
    OHOS::SignatureTools::DoSomethingInterestingWithMyAPI(data, size);
    return 0;
}