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#include <thread>
#include <random>
#include "binaryninjaapi.h"
using namespace BinaryNinja;
static Ref<BackgroundTask> inspireBackgroundTask = nullptr;
uint64_t InspireWriteCallback(uint8_t *data, uint64_t len, void *ctxt)
{
try
{
Json::Value json;
std::unique_ptr<Json::CharReader> reader(Json::CharReaderBuilder().newCharReader());
std::string errors;
if (!reader->parse((char *) data, (char *) data + len, &json, &errors))
{
LogError("Failed to parse! %s", errors.c_str());
}
else
{
std::random_device rd;
std::map<int, int> hist;
std::uniform_int_distribution<Json::ArrayIndex> dist(0, json.size());
auto randQuoteObj = json.get(dist(rd), 0);
if (randQuoteObj.isObject() && randQuoteObj.size() == 2)
{
std::string quote = randQuoteObj.get("text", Json::Value("INVALID")).asString();
LogInfo("%s", quote.c_str());
// Display quote in progress text for 3 seconds.
inspireBackgroundTask->SetProgressText(quote);
std::this_thread::sleep_for(std::chrono::seconds(3));
}
}
} catch (Json::Exception e)
{
LogError("JSON exception! %s", e.m_message.c_str());
inspireBackgroundTask->Cancel();
}
return len;
}
bool InspireProgressCallback(void *ctxt, size_t progress, size_t total)
{
// Close connection on cancellation
return !inspireBackgroundTask->IsCancelled();
}
void Inspire(BinaryView *bv)
{
inspireBackgroundTask = new BackgroundTask("Getting inspired!", true);
std::thread inspireThread([]() {
LogInfo("Getting inspired!");
BNDownloadInstanceOutputCallbacks outputCallbacks;
memset(&outputCallbacks, 0, sizeof(outputCallbacks));
outputCallbacks.writeCallback = InspireWriteCallback;
outputCallbacks.progressCallback = InspireProgressCallback;
auto downloadProvider = DownloadProvider::GetByName("CoreDownloadProvider");
auto downloadInstance = downloadProvider->CreateNewInstance();
inspireBackgroundTask->SetProgressText("Waiting for inspiration...");
if (downloadInstance->PerformRequest("https://type.fit/api/quotes", &outputCallbacks))
LogError("Inspiration failed!");
inspireBackgroundTask->Finish();
});
inspireThread.detach();
}
extern "C" {
BN_DECLARE_CORE_ABI_VERSION
BINARYNINJAPLUGIN bool CorePluginInit()
{
PluginCommand::Register("Inspire me!", "Print an inspirational quote to the log", Inspire);
return true;
}
}
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