Files
UnrealEngine/Engine/Source/Programs/SubmitTool/Private/Logic/P4LockdownService.cpp
2025-05-18 13:04:45 +08:00

337 lines
8.7 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "P4LockdownService.h"
#include "CommandLine/CmdLineParameters.h"
#include "Logic/Services/Interfaces/ISTSourceControlService.h"
#include "Logic/Services/SubmitToolServiceProvider.h"
#include "Logging/SubmitToolLog.h"
#include "Misc/ConfigCacheIni.h"
#include "Misc/FileHelper.h"
#include "Misc/Paths.h"
#include "HAL/FileManager.h"
#include "Internationalization/Regex.h"
#include "Configuration/Configuration.h"
FP4LockdownService::FP4LockdownService(const FP4LockdownParameters& InParameters, TWeakPtr<FSubmitToolServiceProvider> InServiceProvider)
: ServiceProvider(InServiceProvider), Parameters(InParameters)
{
using namespace UE::Tasks;
ConfigFilesTask = Launch(UE_SOURCE_LOCATION, [this]
{
TArray<TTask<bool>> DownloadFileTasks;
for(const TPair<FString, FString>& Pair : Parameters.ConfigPaths)
{
DownloadFileTasks.Add(Launch(UE_SOURCE_LOCATION, [this, &Pair]
{
return GetConfigFile(Pair.Key, Pair.Value);
}));
}
Wait(DownloadFileTasks);
bool bResult = true;
for(TTask<bool>& Task : DownloadFileTasks)
{
bResult &= Task.GetResult();
}
return bResult;
});
}
bool FP4LockdownService::ArePathsInLockdown(const TArray<FString>& InPaths, bool& bOutAllowlisted)
{
if(!ConfigFilesTask.IsValid())
{
UE_LOG(LogSubmitToolP4, Error, TEXT("Downloading task wasn't setup correctly, hardlock status is not known."));
return false;
}
if(!ConfigFilesTask.IsCompleted())
{
UE_LOG(LogSubmitToolP4, Log, TEXT("Waiting for download of Stream Hardlock data..."));
ConfigFilesTask.Wait(FTimespan::FromSeconds(5));
if(!ConfigFilesTask.IsCompleted())
{
UE_LOG(LogSubmitToolP4, Error, TEXT("Downloading config files from P4 timed out, hardlock status is not latest, will use cache."));
}
}
if(ConfigFilesTask.IsCompleted())
{
for(const TPair<FString, FSharedBuffer>& Pair : DownloadedFiles)
{
const FString Path = GetFilePath(Pair.Key);
FArchive* File = IFileManager::Get().CreateFileWriter(*Path, FILEWRITE_EvenIfReadOnly);
if(File != nullptr)
{
File->Serialize(const_cast<void*>(Pair.Value.GetData()), Pair.Value.GetSize());
File->Close();
delete File;
}
else
{
UE_LOG(LogSubmitTool, Warning, TEXT("Couldn't create lockdown file %s"), *Path)
}
}
}
if(!ConfigFilesTask.GetResult())
{
UE_LOG(LogSubmitToolP4, Warning, TEXT("Downloading config files from P4 had failures. Lockdown data won't be complete"));
}
ParseAllowListData();
if(InPaths.IsEmpty())
{
UE_LOG(LogSubmitToolP4, Warning, TEXT("No files to check for lockdown"));
}
bool bLockdown = false;
bOutAllowlisted = true;
for(const FString& Path : InPaths)
{
FPathLockdownResult Result = IsPathInLockdown(Path);
bLockdown |= Result.bIsLocked;
if(Result.bIsLocked)
{
bOutAllowlisted &= Result.bAllowlisted;
}
}
return bLockdown;
}
FP4LockdownService::FPathLockdownResult FP4LockdownService::IsPathInLockdown(const FString& InPath) const
{
FString PerforceUserName;
FCmdLineParameters::Get().GetValue(FSubmitToolCmdLine::P4User, PerforceUserName);
FPathLockdownResult bOverallLockdownResult { false, true };
for(const FAllowListData& data : AllowListData)
{
bool bIsLocked = false;
auto EvaluateViews = [&bIsLocked, &InPath](const TArray<TPair<bool, FString>>& Views)
{
for (const TPair<bool, FString>& View : Views)
{
if (bIsLocked != View.Key)
{
FRegexPattern Pattern = FRegexPattern(View.Value, ERegexPatternFlags::CaseInsensitive);
FRegexMatcher regex = FRegexMatcher(MoveTemp(Pattern), InPath);
if (regex.FindNext())
{
bIsLocked = View.Key;
}
}
}
};
EvaluateViews(data.Views);
bool bIsInOverrideAllowlist = false;
for (const FOverrideData& Override : OverrideData)
{
if (Override.Sections.Contains(data.GroupName) && Override.AllowListers.Contains(PerforceUserName))
{
EvaluateViews(Override.Views);
bIsInOverrideAllowlist = true;
}
}
if (bIsLocked)
{
bOverallLockdownResult.bAllowlisted = bIsInOverrideAllowlist || data.AllowListers.Contains(PerforceUserName);
bOverallLockdownResult.bIsLocked = true;
break;
}
}
for(const FString& AdditionalHardlockedPath : AdditionalHardlocks)
{
FRegexPattern Pattern = FRegexPattern(AdditionalHardlockedPath, ERegexPatternFlags::CaseInsensitive);
FRegexMatcher regex = FRegexMatcher(MoveTemp(Pattern), InPath);
if(regex.FindNext())
{
bOverallLockdownResult.bIsLocked = true;
bOverallLockdownResult.bAllowlisted = false;
break;
}
}
return bOverallLockdownResult;
}
bool FP4LockdownService::GetConfigFile(const FString& InConfigId, const FString& InDepotPath)
{
TArray<FSharedBuffer> FileBuffers;
if(ServiceProvider.Pin()->GetService<ISTSourceControlService>()->DownloadFiles(InDepotPath, FileBuffers).GetResult() && FileBuffers.Num() > 0)
{
FScopeLock Scope(&FileMutex);
DownloadedFiles.Add(InConfigId, FileBuffers[0]);
return true;
}
return false;
}
void RegexEscapeInline(FString& InOutRegex)
{
for (int i = InOutRegex.Len() - 1; i >= 0; --i)
{
switch (InOutRegex[i])
{
case TEXT('\\'):
case TEXT('*'):
case TEXT('+'):
case TEXT('?'):
case TEXT('|'):
case TEXT('{'):
case TEXT('}'):
case TEXT('['):
case TEXT(']'):
case TEXT('('):
case TEXT(')'):
case TEXT('^'):
case TEXT('$'):
case TEXT('.'):
case TEXT('#'):
case TEXT(' '):
InOutRegex.InsertAt(i, TEXT('\\'));
break;
}
}
}
void FP4LockdownService::GetAdditionalHardlockedPaths()
{
for(FString EscapedViewLine : Parameters.AdditionalHardlockedPaths)
{
RegexEscapeInline(EscapedViewLine);
EscapedViewLine.ReplaceInline(TEXT("\\*"), TEXT("[^/]*"));
EscapedViewLine.ReplaceInline(TEXT("\\.\\.\\."), TEXT(".*"));
AdditionalHardlocks.Add(MoveTemp(EscapedViewLine));
}
}
void FP4LockdownService::ParseAllowListData()
{
for(const TPair<FString, FString>& Config : Parameters.ConfigPaths)
{
FString Filepath = GetFilePath(Config.Key);
if(IFileManager::Get().FileExists(*Filepath))
{
FConfigFile LockdownConfig;
LockdownConfig.bPythonConfigParserMode = true;
LockdownConfig.Read(Filepath);
for (const TPair<FString, FConfigSection>& ConfigPair : AsConst(LockdownConfig))
{
const FConfigSection& ConfigSection = ConfigPair.Value;
const FConfigValue* AllowList = ConfigSection.Find(TEXT("allowlist"));
if (AllowList == nullptr)
{
continue;
}
const FConfigValue* Status = ConfigSection.Find(TEXT("status"));
if (Status == nullptr)
{
continue;
}
FAllowListData* data;
if (Status->GetSavedValue() == TEXT("hardcore"))
{
data = &AllowListData.AddDefaulted_GetRef();
}
else if (Status->GetSavedValue() == TEXT("override"))
{
const FConfigValue* SectionList = ConfigSection.Find(TEXT("sectionlist"));
if (SectionList == nullptr)
{
continue;
}
FOverrideData& Override = OverrideData.AddDefaulted_GetRef();
data = &Override;
TArray<FString> Sections;
SectionList->GetSavedValue().ParseIntoArray(Sections, TEXT(","), true);
for(FString& Section : Sections)
{
Section.ToLowerInline();
Override.Sections.Add(MoveTemp(Section));
}
}
else
{
continue;
}
data->GroupName = ConfigPair.Key;
TArray<FString> Allowlisters;
AllowList->GetSavedValue().ParseIntoArray(Allowlisters, TEXT(","), true);
for(FString& AllowLister : Allowlisters)
{
AllowLister.ToLowerInline();
data->AllowListers.Add(MoveTemp(AllowLister));
}
TArray<FString> View;
ConfigSection.MultiFind(TEXT("view"), View, true);
for(FString& ViewLine : View)
{
if(ViewLine.IsEmpty())
{
continue;
}
bool bIsLocked = true;
if(ViewLine.StartsWith(TEXT("-"), ESearchCase::CaseSensitive))
{
bIsLocked = false;
ViewLine.MidInline(1);
}
RegexEscapeInline(ViewLine);
ViewLine.ReplaceInline(TEXT("\\*"), TEXT("[^/]*"), ESearchCase::CaseSensitive);
ViewLine.ReplaceInline(TEXT("\\.\\.\\."), TEXT(".*"), ESearchCase::CaseSensitive);
data->Views.Add(TPair<bool, FString>(bIsLocked, MoveTemp(ViewLine)));
}
}
}
else
{
UE_LOG(LogSubmitToolP4Debug, Error, TEXT("File %s doesn't exist"), *Filepath);
}
}
}
FString FP4LockdownService::GetFilePath(const FString& InConfigId)
{
FString EngineDir = FPaths::ConvertRelativePathToFull(FPaths::EngineDir());
FPaths::NormalizeDirectoryName(EngineDir);
const FGuid guid = FGuid::NewGuid();
FString LocalFilePath = EngineDir + TEXT("/Intermediate/SubmitTool/P4Lockdown/") + InConfigId + TEXT(".ini");
LocalFilePath = FPaths::ConvertRelativePathToFull(LocalFilePath);
FPaths::NormalizeFilename(LocalFilePath);
return LocalFilePath;
}