281 lines
10 KiB
C++
281 lines
10 KiB
C++
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// Copyright 2017-2019 David Romanski (Socke). All Rights Reserved.
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#include "FileFunctionsWebCom.h"
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UFileFunctionsWebCom::UFileFunctionsWebCom(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer) {
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}
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FString UFileFunctionsWebCom::getCleanDirectory(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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if (directoryType == EFileFunctionsWebComDirectoryType::E_ad) {
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return FPaths::ConvertRelativePathToFull(filePath);
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}
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else {
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FString ProjectDir = FPaths::ProjectDir();
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return FPaths::ConvertRelativePathToFull(ProjectDir + filePath);
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}
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}
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void UFileFunctionsWebCom::writeBytesToFile(EFileFunctionsWebComDirectoryType directoryType, FString filePath, TArray<uint8> bytes, bool& success) {
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success = FFileHelper::SaveArrayToFile(bytes, *getCleanDirectory(directoryType, filePath));
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}
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void UFileFunctionsWebCom::addBytesToFile(EFileFunctionsWebComDirectoryType directoryType, FString filePath, TArray<uint8> bytes, bool& success) {
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FArchive* writer = IFileManager::Get().CreateFileWriter(*getCleanDirectory(directoryType, filePath), EFileWrite::FILEWRITE_Append);
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if (!writer) {
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success = false;
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return;
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}
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writer->Seek(writer->TotalSize());
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writer->Serialize(bytes.GetData(), bytes.Num());
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writer->Close();
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delete writer;
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success = true;
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}
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void UFileFunctionsWebCom::splitFile(bool& success, TArray<FString>& absolutePathsOfTheParts, TArray<int64>& sizeOfTheParts, EFileFunctionsWebComDirectoryType directoryType, FString filePath, int32 parts){
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if (parts <= 0)
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parts = 1;
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FString originalFilePath = getCleanDirectory(directoryType, filePath);
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FString originalFileNameWithoutExtension = FPaths::GetBaseFilename(originalFilePath);
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FString extension = FPaths::GetExtension(originalFilePath);
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FArchive* reader = IFileManager::Get().CreateFileReader(*originalFilePath);
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if (!reader) {
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success = false;
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return;
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}
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if (reader->TotalSize() <= ((int64)parts)) {
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success = false;
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reader->Close();
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delete reader;
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return;
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}
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int64 partSize = reader->TotalSize()/ ((int64)parts);
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int64 savedBytes = 0;
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TArray<uint8> bytes;
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int32 iterator = 0;
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while (iterator < parts-1){
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reader->Seek(savedBytes);
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bytes.AddUninitialized(partSize);
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reader->Serialize(bytes.GetData(), partSize);
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FString path = originalFilePath.Replace(*originalFileNameWithoutExtension, *FString(originalFileNameWithoutExtension+"_"+FString::FromInt(iterator)));
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absolutePathsOfTheParts.Add(path);
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sizeOfTheParts.Add(partSize);
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if (FFileHelper::SaveArrayToFile(bytes, *path) == false) {
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success = false;
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return;
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}
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bytes.Empty();
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savedBytes += partSize;
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iterator++;
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}
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//last part
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reader->Seek(savedBytes);
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bytes.AddUninitialized(reader->TotalSize() - savedBytes);
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reader->Serialize(bytes.GetData(), reader->TotalSize() - savedBytes);
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FString path = originalFilePath.Replace(*originalFileNameWithoutExtension, *FString(originalFileNameWithoutExtension + "_" + FString::FromInt(iterator)));
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absolutePathsOfTheParts.Add(path);
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if (FFileHelper::SaveArrayToFile(bytes, *path) == false) {
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success = false;
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return;
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}
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bytes.Empty();
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reader->Close();
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delete reader;
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success = true;
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}
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TArray<uint8> UFileFunctionsWebCom::readBytesFromFile(EFileFunctionsWebComDirectoryType directoryType, FString filePath, int64 seekBytes, bool& success) {
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TArray<uint8> result;
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FArchive* reader = IFileManager::Get().CreateFileReader(*getCleanDirectory(directoryType, filePath));
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if (!reader) {
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success = false;
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return result;
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}
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int64 totalSize = reader->TotalSize();
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if (seekBytes > totalSize)
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seekBytes = totalSize;
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reader->Seek(seekBytes);
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result.AddUninitialized((totalSize - seekBytes));
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reader->Serialize(result.GetData(), (totalSize - seekBytes));
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reader->Close();
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delete reader;
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success = true;
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return result;
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}
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void UFileFunctionsWebCom::readStringFromFile(EFileFunctionsWebComDirectoryType directoryType, FString filePath, bool& success, FString& data) {
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data.Empty();
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success = FFileHelper::LoadFileToString(data, *getCleanDirectory(directoryType, filePath));
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}
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void UFileFunctionsWebCom::writeStringToFile(EFileFunctionsWebComDirectoryType directoryType, FString data, FString filePath, bool& success) {
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success = FFileHelper::SaveStringToFile(data, *getCleanDirectory(directoryType, filePath));
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}
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void UFileFunctionsWebCom::getMD5FromFile(EFileFunctionsWebComDirectoryType directoryType, FString filePath, bool& success, FString& MD5) {
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MD5.Empty();
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FArchive* reader = IFileManager::Get().CreateFileReader(*getCleanDirectory(directoryType, filePath));
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if (!reader) {
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success = false;
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return;
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}
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TArray<uint8> byteArrayTmp;
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int64 totalSize = reader->TotalSize();
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int64 loadedBytes = 0;
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int64 leftUploadBytes = 1024;
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if (totalSize < leftUploadBytes)
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leftUploadBytes = totalSize;
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uint8 Digest[16];
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FMD5 Md5Gen;
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while ((loadedBytes + leftUploadBytes) <= totalSize) {
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byteArrayTmp.Reset(leftUploadBytes);
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byteArrayTmp.AddUninitialized(leftUploadBytes);
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reader->Serialize(byteArrayTmp.GetData(), byteArrayTmp.Num());
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loadedBytes += leftUploadBytes;
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reader->Seek(loadedBytes);
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Md5Gen.Update(byteArrayTmp.GetData(), byteArrayTmp.Num());
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}
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leftUploadBytes = totalSize - loadedBytes;
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if (leftUploadBytes > 0) {
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byteArrayTmp.Reset(leftUploadBytes);
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byteArrayTmp.AddUninitialized(leftUploadBytes);
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reader->Serialize(byteArrayTmp.GetData(), byteArrayTmp.Num());
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loadedBytes += leftUploadBytes;
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Md5Gen.Update(byteArrayTmp.GetData(), byteArrayTmp.Num());
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}
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if (reader != nullptr) {
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reader->Close();
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delete reader;
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}
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if (totalSize != loadedBytes) {
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success = false;
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return;
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}
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Md5Gen.Final(Digest);
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for (int32 i = 0; i < 16; i++) {
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MD5 += FString::Printf(TEXT("%02x"), Digest[i]);
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}
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success = true;
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}
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void UFileFunctionsWebCom::stringToBase64String(FString string, FString& base64String) {
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base64String.Empty();
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FTCHARToUTF8 Convert(*string);
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TArray<uint8> bytes;
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bytes.Append((uint8*)Convert.Get(), Convert.Length());
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base64String = FBase64::Encode(bytes);
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}
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void UFileFunctionsWebCom::base64StringToString(FString& string, FString base64String) {
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string.Empty();
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TArray<uint8> bytes;
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if (FBase64::Decode(*base64String, bytes)) {
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bytes.Add(0x00);// null-terminator
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char* Data = (char*)bytes.GetData();
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string = FString(UTF8_TO_TCHAR(Data));
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}
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}
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void UFileFunctionsWebCom::bytesToBase64String(TArray<uint8> bytes, FString& base64String) {
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base64String = FBase64::Encode(bytes);
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}
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TArray<uint8> UFileFunctionsWebCom::base64StringToBytes(EFileFunctionsWebComDirectoryType directoryType, FString base64String, bool& success) {
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TArray<uint8> fileData;
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success = FBase64::Decode(*base64String, fileData);
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return fileData;
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}
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void UFileFunctionsWebCom::fileToBase64String(EFileFunctionsWebComDirectoryType directoryType, FString filePath, bool& success, FString& base64String, FString& fileName) {
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base64String.Empty();
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TArray<uint8> fileData;
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FString dir = getCleanDirectory(directoryType, filePath);
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if (!FFileHelper::LoadFileToArray(fileData, *dir)) {
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success = false;
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return;
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}
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fileName = FPaths::GetCleanFilename(dir);
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base64String = FBase64::Encode(fileData);
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success = true;
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}
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bool UFileFunctionsWebCom::fileExists(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPaths::FileExists(*getCleanDirectory(directoryType, filePath));
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}
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bool UFileFunctionsWebCom::directoryExists(EFileFunctionsWebComDirectoryType directoryType, FString path) {
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return FPaths::DirectoryExists(*getCleanDirectory(directoryType, path));
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}
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int64 UFileFunctionsWebCom::fileSize(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().FileSize(*getCleanDirectory(directoryType, filePath));
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}
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bool UFileFunctionsWebCom::deleteFile(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().DeleteFile(*getCleanDirectory(directoryType, filePath));
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}
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bool UFileFunctionsWebCom::deleteDirectory(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().DeleteDirectory(*getCleanDirectory(directoryType, filePath));
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}
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bool UFileFunctionsWebCom::isReadOnly(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().IsReadOnly(*getCleanDirectory(directoryType, filePath));
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}
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bool UFileFunctionsWebCom::moveFile(EFileFunctionsWebComDirectoryType directoryTypeTo, FString filePathTo, EFileFunctionsWebComDirectoryType directoryTypeFrom, FString filePathFrom) {
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return FPlatformFileManager::Get().GetPlatformFile().MoveFile(*getCleanDirectory(directoryTypeTo, filePathTo), *getCleanDirectory(directoryTypeFrom, filePathFrom));
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}
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bool UFileFunctionsWebCom::setReadOnly(EFileFunctionsWebComDirectoryType directoryType, FString filePath, bool bNewReadOnlyValue) {
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return FPlatformFileManager::Get().GetPlatformFile().SetReadOnly(*getCleanDirectory(directoryType, filePath), bNewReadOnlyValue);
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}
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FDateTime UFileFunctionsWebCom::getTimeStamp(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().GetTimeStamp(*getCleanDirectory(directoryType, filePath));
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}
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void UFileFunctionsWebCom::setTimeStamp(EFileFunctionsWebComDirectoryType directoryType, FString filePath, FDateTime DateTime) {
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FPlatformFileManager::Get().GetPlatformFile().SetTimeStamp(*getCleanDirectory(directoryType, filePath), DateTime);
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}
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FDateTime UFileFunctionsWebCom::getAccessTimeStamp(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().GetAccessTimeStamp(*getCleanDirectory(directoryType, filePath));
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}
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FString UFileFunctionsWebCom::getFilenameOnDisk(EFileFunctionsWebComDirectoryType directoryType, FString filePath) {
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return FPlatformFileManager::Get().GetPlatformFile().GetFilenameOnDisk(*getCleanDirectory(directoryType, filePath));
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}
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bool UFileFunctionsWebCom::createDirectory(EFileFunctionsWebComDirectoryType directoryType, FString path) {
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return FPlatformFileManager::Get().GetPlatformFile().CreateDirectory(*getCleanDirectory(directoryType, path));
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}
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