Files
archived-wlan-cloud-ucentralgw/src/FileUploader.cpp
2022-05-04 11:34:04 -07:00

356 lines
12 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 <fstream>
#include <cstdio>
#include "Poco/Net/HTTPServerParams.h"
#include "Poco/Net/HTTPServerResponse.h"
#include "Poco/DynamicAny.h"
#include "Poco/Net/HTMLForm.h"
#include "Poco/Net/PartHandler.h"
#include "Poco/Net/MessageHeader.h"
#include "Poco/Net/NetException.h"
#include "Poco/Net/MultipartReader.h"
#include "Poco/CountingStream.h"
#include "Poco/StreamCopier.h"
#include "Poco/Exception.h"
#include "FileUploader.h"
#include "StorageService.h"
#include "framework/MicroService.h"
namespace OpenWifi {
static const std::string URI_BASE{"/v1/upload/"};
int FileUploader::Start() {
Logger().notice("Starting.");
Poco::File UploadsDir(MicroService::instance().ConfigPath("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(MicroService::instance().NoAPISecurity()) {
Logger().information(fmt::format("Starting: {}:{}",Svr.Address(),Svr.Port()));
auto Sock{Svr.CreateSocket(Logger())};
auto Params = new Poco::Net::HTTPServerParams;
Params->setMaxThreads(16);
Params->setMaxQueued(100);
if (FullName_.empty()) {
std::string TmpName =
MicroService::instance().ConfigGetString("openwifi.fileuploader.uri", "");
if (TmpName.empty()) {
FullName_ =
"https://" + Svr.Name() + ":" + std::to_string(Svr.Port()) + URI_BASE;
} else {
FullName_ = TmpName + URI_BASE;
}
Logger().information(fmt::format("Uploader URI base is '{}'", FullName_));
}
auto NewServer = std::make_unique<Poco::Net::HTTPServer>(
new FileUpLoaderRequestHandlerFactory(Logger()), Pool_, Sock, Params);
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()};
Logger().information(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);
if (FullName_.empty()) {
std::string TmpName =
MicroService::instance().ConfigGetString("openwifi.fileuploader.uri", "");
if (TmpName.empty()) {
FullName_ =
"https://" + Svr.Name() + ":" + std::to_string(Svr.Port()) + URI_BASE;
} else {
FullName_ = TmpName + URI_BASE;
}
Logger().information(fmt::format("Uploader URI base is '{}'", FullName_));
}
auto NewServer = std::make_unique<Poco::Net::HTTPServer>(
new FileUpLoaderRequestHandlerFactory(Logger()), Pool_, Sock, Params);
NewServer->start();
Servers_.push_back(std::move(NewServer));
}
}
MaxSize_ = 1000 * MicroService::instance().ConfigGetInt("openwifi.fileuploader.maxsize", 10000);
return 0;
}
void FileUploader::reinitialize([[maybe_unused]] Poco::Util::Application &self) {
MicroService::instance().LoadConfigurationFile();
Logger().information("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::lock_guard Guard(Mutex_);
uint64_t Now = time(nullptr) ;
// remove old stuff...
for(auto i=OutStandingUploads_.cbegin();i!=OutStandingUploads_.end();) {
if ((Now-i->second) > (60 * 30))
OutStandingUploads_.erase(i++);
else
++i;
}
if(!UUID.empty())
OutStandingUploads_[UUID] = Now;
return true;
}
bool FileUploader::ValidRequest(const std::string &UUID) {
std::lock_guard Guard(Mutex_);
return OutStandingUploads_.find(UUID)!=OutStandingUploads_.end();
}
void FileUploader::RemoveRequest(const std::string &UUID) {
std::lock_guard Guard(Mutex_);
OutStandingUploads_.erase(UUID);
}
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):
UUID_(std::move(UUID)),
Logger_(L)
{
}
void handleRequest(Poco::Net::HTTPServerRequest& Request, Poco::Net::HTTPServerResponse& Response) final {
for (const auto &i : Request) {
std::cout << "F: " << i.first << " ..... S: " << i.second << std::endl;
}
const auto & ContentType = Request.getContentType();
const auto & Tokens = Poco::StringTokenizer(ContentType,";",Poco::StringTokenizer::TOK_TRIM);
std::cout << "CT: '" << ContentType << "' tokens:" << Tokens.count() << std::endl;
if( Poco::icompare(Tokens[0],"multipart/form-data")==0 ||
Poco::icompare(Tokens[0],"multipart/mixed")==0) {
std::cout << __LINE__ << " " << Tokens[1] << std::endl;
const auto & BoundaryTokens = Poco::StringTokenizer(Tokens[1],"=",Poco::StringTokenizer::TOK_TRIM);
std::cout << __LINE__ << " " << Tokens[1] << " '" << BoundaryTokens[0] << "'" << std::endl;
if(BoundaryTokens[0]=="boundary") {
std::cout << __LINE__ << std::endl;
const std::string & Boundary = BoundaryTokens[1];
Poco::Net::MultipartReader Reader(Request.stream(),Boundary);
std::cout << "Reading message..." << std::endl;
bool Done=false;
while(!Done) {
Poco::Net::MessageHeader Hdr;
Reader.nextPart(Hdr);
std::stringstream OO;
Poco::StreamCopier::copyStream(Reader.stream(),OO);
for(const auto &i:Hdr) {
std::cout << "F: " << i.first << " S:" << i.second << std::endl;
}
std::cout << "Content: " << OO.str().size() << std::endl;
if(!Reader.hasNextPart())
Done= true;
}
}
}
Poco::JSON::Object Answer;
Answer.set("filename", UUID_);
Answer.set("error", 13);
Answer.set("errorText", "Attached file is too large");
std::string Error{"Attached file is too large"};
StorageService()->CancelWaitFile(UUID_, Error);
std::ostream &ResponseStream = Response.send();
Poco::JSON::Stringifier::stringify(Answer, ResponseStream);
return;
}
/*
Poco::Net::MessageHeader Hdr;
Hdr.read(Request.stream());
while (!Done) {
Poco::Net::MultipartReader MR(Request.stream(),)
try {
std::cout << "Starting looking at part..." << std::endl;
std::stringstream FileContent;
FileUploaderPartHandler2 partHandler(UUID_, Logger(), FileContent);
form.load(Request, Request.stream(), partHandler);
if(form.empty())
Done=true;
Response.setChunkedTransferEncoding(true);
Response.setContentType("application/json");
if (partHandler.Length() < FileUploader()->MaxSize()) {
Answer.set("filename", UUID_);
Answer.set("error", 0);
StorageService()->AttachFileDataToCommand(UUID_, FileContent);
} else {
Answer.set("filename", UUID_);
Answer.set("error", 13);
Answer.set("errorText", "Attached file is too large");
std::string Error{"Attached file is too large"};
StorageService()->CancelWaitFile(UUID_, Error);
}
std::ostream &ResponseStream = Response.send();
Poco::JSON::Stringifier::stringify(Answer, ResponseStream);
return ;
} catch (const Poco::Net::MultipartException &E) {
std::cout << __LINE__ << E.displayText() << " " << E.what() << std::endl;
Logger().warning(fmt::format(
"Form Error occurred while performing upload. Error='{}' What='{}'",
E.displayText(), E.what()));
} catch (const Poco::Net::HTMLFormException &E) {
std::cout << __LINE__ << E.displayText() << " " << E.what() << std::endl;
Logger().warning(fmt::format(
"Form Error occurred while performing upload. Error='{}' What='{}'",
E.displayText(), E.what()));
} catch (const Poco::IOException &E) {
std::cout << __LINE__ << E.displayText() << " " << E.what() << " " << E.name()
<< " " << E.code() << std::endl;
} catch (const Poco::Exception &E) {
std::cout << __LINE__ << " " << E.displayText() << " W " << E.what() << " N "
<< E.name() << " C " << E.code() << " M " << E.message() << std::endl;
Logger().warning(fmt::format(
"Error occurred while performing upload. Error='{}'", E.displayText()));
} catch (...) {
std::cout << __LINE__ << std::endl;
}
}
Answer.set("filename", UUID_);
Answer.set("error", 13);
Answer.set("errorText", "Attached file is too large");
std::string Error{"Attached file is too large"};
StorageService()->CancelWaitFile(UUID_, Error);
std::ostream &ResponseStream = Response.send();
Poco::JSON::Stringifier::stringify(Answer, ResponseStream);
return ;
}
*/
inline Poco::Logger & Logger() { return Logger_; }
private:
std::string UUID_;
Poco::Logger & Logger_;
};
Poco::Net::HTTPRequestHandler *FileUpLoaderRequestHandlerFactory::createRequestHandler(const Poco::Net::HTTPServerRequest & Request) {
Logger().debug(fmt::format("REQUEST({}): {} {}", Utils::FormatIPv6(Request.clientAddress().toString()), Request.getMethod(), Request.getURI()));
// 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());
if(FileUploader()->ValidRequest(UUID))
{
// make sure we do not allow anyone else to overwrite our file
FileUploader()->RemoveRequest(UUID);
return new FormRequestHandler(UUID,Logger());
}
else
{
Logger().warning(fmt::format("Unknown UUID={}",UUID));
}
}
return nullptr;
}
void FileUploader::Stop() {
Logger().notice("Stopping ");
for( const auto & svr : Servers_ )
svr->stop();
Servers_.clear();
}
} // Namespace