Files
wlan-cloud-ucentralgw/src/FileUploader.cpp
2022-11-01 09:02:53 -07:00

322 lines
11 KiB
C++

//
// License type: BSD 3-Clause License
// License copy: https://github.com/Telecominfraproject/wlan-cloud-ucentralgw/blob/master/LICENSE
//
// Created by Stephane Bourque on 2021-03-04.
// Arilia Wireless Inc.
//
#include <iostream>
#include "Poco/Net/HTTPServerParams.h"
#include "Poco/Net/HTTPServerResponse.h"
#include "Poco/DynamicAny.h"
#include "Poco/Net/PartHandler.h"
#include "Poco/Net/MessageHeader.h"
#include "Poco/Net/MultipartReader.h"
#include "Poco/CountingStream.h"
#include "Poco/StreamCopier.h"
#include "Poco/Exception.h"
#include "Poco/File.h"
#include "Poco/StringTokenizer.h"
#include "framework/MicroServiceFuncs.h"
#include "framework/ow_constants.h"
#include "framework/utils.h"
#include "FileUploader.h"
#include "StorageService.h"
#include "fmt/format.h"
namespace OpenWifi {
static const std::string URI_BASE{"/v1/upload/"};
int FileUploader::Start() {
poco_notice(Logger(),"Starting.");
Poco::File UploadsDir(MicroServiceConfigPath("openwifi.fileuploader.path","/tmp"));
Path_ = UploadsDir.path();
if(!UploadsDir.exists()) {
try {
UploadsDir.createDirectory();
} catch (const Poco::Exception &E) {
Logger().log(E);
Path_ = "/tmp";
}
}
for(const auto & Svr: ConfigServersList_) {
if(MicroServiceNoAPISecurity()) {
poco_notice(Logger(), fmt::format("Starting: {}:{}",Svr.Address(),Svr.Port()));
auto Sock{Svr.CreateSocket(Logger())};
auto Params = new Poco::Net::HTTPServerParams;
Params->setMaxThreads(16);
Params->setMaxQueued(100);
Params->setName("ws:upldr");
if (FullName_.empty()) {
std::string TmpName =
MicroServiceConfigGetString("openwifi.fileuploader.uri", "");
if (TmpName.empty()) {
FullName_ =
"https://" + Svr.Name() + ":" + std::to_string(Svr.Port()) + URI_BASE;
} else {
FullName_ = TmpName + URI_BASE;
}
poco_information(Logger(),fmt::format("Uploader URI base is '{}'", FullName_));
}
auto NewServer = std::make_unique<Poco::Net::HTTPServer>(
new FileUpLoaderRequestHandlerFactory(Logger()), Sock, Params);
Params->setName("file-upldr");
NewServer->start();
Servers_.push_back(std::move(NewServer));
} else {
std::string l{"Starting: " + Svr.Address() + ":" + std::to_string(Svr.Port()) +
" key:" + Svr.KeyFile() + " cert:" + Svr.CertFile()};
poco_information(Logger(),l);
auto Sock{Svr.CreateSecureSocket(Logger())};
Svr.LogCert(Logger());
if (!Svr.RootCA().empty())
Svr.LogCas(Logger());
auto Params = new Poco::Net::HTTPServerParams;
Params->setMaxThreads(16);
Params->setMaxQueued(100);
Params->setName("ws:upldr");
if (FullName_.empty()) {
std::string TmpName =
MicroServiceConfigGetString("openwifi.fileuploader.uri", "");
if (TmpName.empty()) {
FullName_ =
"https://" + Svr.Name() + ":" + std::to_string(Svr.Port()) + URI_BASE;
} else {
FullName_ = TmpName + URI_BASE;
}
poco_information(Logger(), fmt::format("Uploader URI base is '{}'", FullName_));
}
auto NewServer = std::make_unique<Poco::Net::HTTPServer>(
new FileUpLoaderRequestHandlerFactory(Logger()), Sock, Params);
NewServer->start();
Servers_.push_back(std::move(NewServer));
}
}
MaxSize_ = 1000 * MicroServiceConfigGetInt("openwifi.fileuploader.maxsize", 10000);
return 0;
}
void FileUploader::reinitialize([[maybe_unused]] Poco::Util::Application &self) {
MicroServiceLoadConfigurationFile();
poco_information(Logger(),"Reinitializing.");
Stop();
Start();
}
const std::string & FileUploader::FullName() {
return FullName_;
}
// if you pass in an empty UUID, it will just clean the list and not add it.
bool FileUploader::AddUUID( const std::string & UUID, std::chrono::seconds WaitTimeInSeconds, const std::string &Type) {
std::lock_guard Guard(Mutex_);
uint64_t now = Utils::Now();
auto Func=[now](const UploadId &I) -> bool {
return (now > I.Expires);
};
OutStandingUploads_.erase(std::remove_if(OutStandingUploads_.begin(),OutStandingUploads_.end(),Func),OutStandingUploads_.end());
OutStandingUploads_.emplace_back(UploadId{UUID, now + WaitTimeInSeconds.count(), Type});
return true;
}
bool FileUploader::ValidRequest(const std::string &UUID) {
std::lock_guard Guard(Mutex_);
auto Func = [UUID](const UploadId &P) -> bool {
return (P.UUID==UUID);
};
return std::find_if(OutStandingUploads_.begin(), OutStandingUploads_.end(), Func) != end(OutStandingUploads_);
}
void FileUploader::RemoveRequest(const std::string &UUID) {
std::lock_guard Guard(Mutex_);
auto Func = [UUID](const UploadId &P) -> bool {
return (P.UUID==UUID);
};
OutStandingUploads_.erase(std::remove_if(OutStandingUploads_.begin(),OutStandingUploads_.end(),Func),OutStandingUploads_.end());
}
class FileUploaderPartHandler2 : public Poco::Net::PartHandler {
public:
FileUploaderPartHandler2(std::string Id, Poco::Logger &Logger, std::stringstream & ofs) :
Id_(std::move(Id)),
Logger_(Logger),
OutputStream_(ofs){
}
void handlePart(const Poco::Net::MessageHeader &Header, std::istream &Stream) {
FileType_ = Header.get(RESTAPI::Protocol::CONTENTTYPE, RESTAPI::Protocol::UNSPECIFIED);
if (Header.has(RESTAPI::Protocol::CONTENTDISPOSITION)) {
std::string Disposition;
Poco::Net::NameValueCollection Parameters;
Poco::Net::MessageHeader::splitParameters(Header[RESTAPI::Protocol::CONTENTDISPOSITION], Disposition, Parameters);
Name_ = Parameters.get(RESTAPI::Protocol::NAME, RESTAPI::Protocol::UNNAMED);
}
Poco::CountingInputStream InputStream(Stream);
Poco::StreamCopier::copyStream(InputStream, OutputStream_);
Length_ = OutputStream_.str().size();
}
[[nodiscard]] uint64_t Length() const { return Length_; }
[[nodiscard]] std::string &Name() { return Name_; }
[[nodiscard]] std::string &ContentType() { return FileType_; }
private:
uint64_t Length_ = 0;
std::string FileType_;
std::string Name_;
std::string Id_;
Poco::Logger &Logger_;
std::stringstream &OutputStream_;
inline Poco::Logger & Logger() { return Logger_; };
};
class FormRequestHandler: public Poco::Net::HTTPRequestHandler
{
public:
explicit FormRequestHandler(std::string UUID, Poco::Logger & L, const std::string &Type):
UUID_(std::move(UUID)),
Logger_(L),
Type_(Type)
{
}
void handleRequest(Poco::Net::HTTPServerRequest& Request, Poco::Net::HTTPServerResponse& Response) final {
Utils::SetThreadName("FileUploader");
const auto ContentType = Request.getContentType();
const auto Tokens = Poco::StringTokenizer(ContentType,";",Poco::StringTokenizer::TOK_TRIM);
poco_debug(Logger(),fmt::format("{}: Preparing to upload trace file.",UUID_));
Poco::JSON::Object Answer;
try {
if (Poco::icompare(Tokens[0], "multipart/form-data") == 0 ||
Poco::icompare(Tokens[0], "multipart/mixed") == 0) {
const auto &BoundaryTokens =
Poco::StringTokenizer(Tokens[1], "=", Poco::StringTokenizer::TOK_TRIM);
if (BoundaryTokens[0] == "boundary") {
const std::string &Boundary = BoundaryTokens[1];
Poco::Net::MultipartReader Reader(Request.stream(), Boundary);
bool Done = false;
while (!Done) {
Poco::Net::MessageHeader Hdr;
Reader.nextPart(Hdr);
const auto PartContentType = Hdr.get("Content-Type", "");
if (PartContentType == "application/octet-stream") {
std::stringstream FileContent;
Poco::StreamCopier::copyStream(Reader.stream(), FileContent);
Answer.set("filename", UUID_);
Answer.set("error", 0);
poco_debug(Logger(),fmt::format("{}: File uploaded.", UUID_));
StorageService()->AttachFileDataToCommand(UUID_, FileContent, Type_);
std::ostream &ResponseStream = Response.send();
Poco::JSON::Stringifier::stringify(Answer, ResponseStream);
return;
} else {
std::stringstream OO;
Poco::StreamCopier::copyStream(Reader.stream(), OO);
}
if (!Reader.hasNextPart())
Done = true;
}
}
}
} catch (const Poco::Exception &E) {
Logger().log(E);
} catch (...) {
poco_debug(Logger(),"Exception while receiving trace file.");
}
poco_debug(Logger(),fmt::format("{}: Failed to upload trace file.",UUID_));
std::string Error{"Trace file rejected"};
StorageService()->CancelWaitFile(UUID_, Error);
Answer.set("filename", UUID_);
Answer.set("error", 13);
Answer.set("errorText", "Attached file is too large");
StorageService()->CancelWaitFile(UUID_, Error);
std::ostream &ResponseStream = Response.send();
Poco::JSON::Stringifier::stringify(Answer, ResponseStream);
}
inline Poco::Logger & Logger() { return Logger_; }
private:
std::string UUID_;
Poco::Logger & Logger_;
std::string Type_;
};
Poco::Net::HTTPRequestHandler *FileUpLoaderRequestHandlerFactory::createRequestHandler(const Poco::Net::HTTPServerRequest & Request) {
poco_debug(Logger(),fmt::format("REQUEST({}): {} {}", Utils::FormatIPv6(Request.clientAddress().toString()), Request.getMethod(), Request.getURI()));
if(Request.getMethod()!=Poco::Net::HTTPRequest::HTTP_POST ||
Request.getURI().size()<(URI_BASE.size()+36)) {
poco_warning(Logger(),fmt::format("ILLEGAL-REQUEST({}): {} {}. Dropped.", Utils::FormatIPv6(Request.clientAddress().toString()), Request.getMethod(), Request.getURI()));
return nullptr;
}
// The UUID should be after the /v1/upload/ part...
auto UUIDLocation = Request.getURI().find_first_of(URI_BASE);
if( UUIDLocation != std::string::npos )
{
auto UUID = Request.getURI().substr(UUIDLocation+URI_BASE.size());
FileUploader::UploadId E;
if(FileUploader()->Find(UUID,E))
{
FileUploader()->RemoveRequest(UUID);
return new FormRequestHandler(UUID,Logger(),E.Type);
}
else
{
poco_warning(Logger(),fmt::format("Unknown UUID={}",UUID));
}
}
return nullptr;
}
bool FileUploader::Find(const std::string &UUID, UploadId &V) {
std::lock_guard G(Mutex_);
for(const auto &E:OutStandingUploads_) {
if (E.UUID == UUID) {
V = E;
return true;
}
}
return false;
}
void FileUploader::Stop() {
poco_notice(Logger(),"Stopping...");
for( const auto & svr : Servers_ )
svr->stopAll(true);
Servers_.clear();
poco_notice(Logger(),"Stopped...");
}
} // Namespace