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268 lines (202 loc) · 7.27 KB
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// Copyright (c) 2015-2026 Vector 35 Inc
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include "binaryninjaapi.h"
using namespace BinaryNinja;
using namespace std;
DownloadInstance::DownloadInstance(DownloadProvider* provider)
{
BNDownloadInstanceCallbacks cb;
cb.context = this;
cb.destroyInstance = DestroyInstanceCallback;
cb.performRequest = PerformRequestCallback;
cb.performCustomRequest = PerformCustomRequestCallback;
cb.freeResponse = PerformFreeResponse;
AddRefForRegistration();
m_object = BNInitDownloadInstance(provider->GetObject(), &cb);
}
DownloadInstance::DownloadInstance(BNDownloadInstance* instance)
{
m_object = instance;
}
void DownloadInstance::DestroyInstanceCallback(void* ctxt)
{
DownloadInstance* instance = (DownloadInstance*)ctxt;
instance->DestroyInstance();
}
int DownloadInstance::PerformRequestCallback(void* ctxt, const char* url)
{
CallbackRef<DownloadInstance> instance(ctxt);
return instance->PerformRequest(url);
}
int DownloadInstance::PerformCustomRequestCallback(void* ctxt, const char* method, const char* url,
uint64_t headerCount, const char* const* headerKeys, const char* const* headerValues,
BNDownloadInstanceResponse** response)
{
CallbackRef<DownloadInstance> instance(ctxt);
unordered_map<string, string> headers;
for (uint64_t i = 0; i < headerCount; i++)
{
headers[headerKeys[i]] = headerValues[i];
}
Response apiResponse;
int status = instance->PerformCustomRequest(method, url, headers, apiResponse);
char** keys = new char*[apiResponse.headers.size()];
char** values = new char*[apiResponse.headers.size()];
uint64_t i = 0;
for (const auto& pair : apiResponse.headers)
{
keys[i] = BNAllocString(pair.first.c_str());
values[i] = BNAllocString(pair.second.c_str());
i++;
}
*response = new BNDownloadInstanceResponse;
(*response)->statusCode = apiResponse.statusCode;
(*response)->headerCount = apiResponse.headers.size();
(*response)->headerKeys = keys;
(*response)->headerValues = values;
return status;
}
void DownloadInstance::PerformFreeResponse(void* ctxt, BNDownloadInstanceResponse* response)
{
for (uint64_t i = 0; i < response->headerCount; i++)
{
BNFreeString(response->headerKeys[i]);
BNFreeString(response->headerValues[i]);
}
delete[] response->headerKeys;
delete[] response->headerValues;
delete response;
}
int64_t DownloadInstance::ReadDataCallback(uint8_t* data, uint64_t len)
{
return BNReadDataForDownloadInstance(m_object, data, len);
}
uint64_t DownloadInstance::WriteDataCallback(uint8_t* data, uint64_t len)
{
return BNWriteDataForDownloadInstance(m_object, data, len);
}
bool DownloadInstance::NotifyProgressCallback(uint64_t progress, uint64_t total)
{
return BNNotifyProgressForDownloadInstance(m_object, progress, total);
}
void DownloadInstance::SetError(const string& error)
{
BNSetErrorForDownloadInstance(m_object, error.c_str());
}
string DownloadInstance::GetError() const
{
char* str = BNGetErrorForDownloadInstance(m_object);
string result = str;
BNFreeString(str);
return result;
}
int DownloadInstance::PerformRequest(const string& url, BNDownloadInstanceOutputCallbacks* callbacks)
{
return BNPerformDownloadRequest(m_object, url.c_str(), callbacks);
}
int DownloadInstance::PerformCustomRequest(const string& method, const string& url,
const std::unordered_map<std::string, std::string>& headers, Response& response,
BNDownloadInstanceInputOutputCallbacks* callbacks)
{
const char** headerKeys = new const char*[headers.size()];
const char** headerValues = new const char*[headers.size()];
uint64_t i = 0;
for (auto it = headers.begin(); it != headers.end(); ++it)
{
headerKeys[i] = it->first.c_str();
headerValues[i] = it->second.c_str();
i++;
}
BNDownloadInstanceResponse* bnResponse;
int result = BNPerformCustomRequest(
m_object, method.c_str(), url.c_str(), headers.size(), headerKeys, headerValues, &bnResponse, callbacks);
response.statusCode = bnResponse->statusCode;
for (uint64_t i = 0; i < bnResponse->headerCount; i++)
{
response.headers[bnResponse->headerKeys[i]] = bnResponse->headerValues[i];
}
BNFreeDownloadInstanceResponse(bnResponse);
delete[] headerKeys;
delete[] headerValues;
return result;
}
void DownloadInstance::DestroyInstance()
{
ReleaseForRegistration();
}
CoreDownloadInstance::CoreDownloadInstance(BNDownloadInstance* instance) : DownloadInstance(instance) {}
int CoreDownloadInstance::PerformRequest(const std::string& url)
{
(void)url;
return -1;
}
int CoreDownloadInstance::PerformCustomRequest(const std::string& method, const std::string& url,
const std::unordered_map<std::string, std::string>& headers, Response& response)
{
(void)method;
(void)url;
(void)headers;
response.statusCode = -1;
return -1;
}
DownloadProvider::DownloadProvider(const string& name) : m_nameForRegister(name) {}
DownloadProvider::DownloadProvider(BNDownloadProvider* provider)
{
m_object = provider;
}
BNDownloadInstance* DownloadProvider::CreateInstanceCallback(void* ctxt)
{
DownloadProvider* provider = (DownloadProvider*)ctxt;
Ref<DownloadInstance> instance = provider->CreateNewInstance();
return instance ? BNNewDownloadInstanceReference(instance->GetObject()) : nullptr;
}
vector<Ref<DownloadProvider>> DownloadProvider::GetList()
{
size_t count;
BNDownloadProvider** list = BNGetDownloadProviderList(&count);
vector<Ref<DownloadProvider>> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
result.push_back(new CoreDownloadProvider(list[i]));
BNFreeDownloadProviderList(list);
return result;
}
Ref<DownloadProvider> DownloadProvider::GetByName(const string& name)
{
BNDownloadProvider* result = BNGetDownloadProviderByName(name.c_str());
if (!result)
return nullptr;
return new CoreDownloadProvider(result);
}
void DownloadProvider::Register(DownloadProvider* provider)
{
BNDownloadProviderCallbacks cb;
cb.context = provider;
cb.createInstance = CreateInstanceCallback;
provider->m_object = BNRegisterDownloadProvider(provider->m_nameForRegister.c_str(), &cb);
}
CoreDownloadProvider::CoreDownloadProvider(BNDownloadProvider* provider) : DownloadProvider(provider) {}
Ref<DownloadInstance> CoreDownloadProvider::CreateNewInstance()
{
BNDownloadInstance* result = BNCreateDownloadProviderInstance(m_object);
if (!result)
return nullptr;
return new CoreDownloadInstance(result);
}