mirror of
https://github.com/winscp/winscp.git
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1638 lines
56 KiB
C++
1638 lines
56 KiB
C++
//---------------------------------------------------------------------------
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#include <vcl.h>
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#pragma hdrstop
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#define NE_LFS
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#define WINSCP
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#define NEED_LIBS3
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#include "S3FileSystem.h"
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#include "SessionData.h"
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#include "Interface.h"
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#include "Common.h"
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#include "Exceptions.h"
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#include "Terminal.h"
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#include "TextsCore.h"
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#include "HelpCore.h"
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#include "NeonIntf.h"
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#include <ne_request.h>
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#include <StrUtils.hpp>
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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//---------------------------------------------------------------------------
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#define StrFromS3(S) StrFromNeon(S)
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#define StrToS3(S) StrToNeon(S)
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//---------------------------------------------------------------------------
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#define FILE_OPERATION_LOOP_TERMINAL FTerminal
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//---------------------------------------------------------------------------
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static std::unique_ptr<TCriticalSection> LibS3Section(TraceInitPtr(new TCriticalSection()));
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//---------------------------------------------------------------------------
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UTF8String LibS3Delimiter(L"/");
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//---------------------------------------------------------------------------
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UnicodeString __fastcall S3LibVersion()
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{
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return FORMAT(L"%s.%s", (LIBS3_VER_MAJOR, LIBS3_VER_MINOR));
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}
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//---------------------------------------------------------------------------
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UnicodeString __fastcall S3LibDefaultHostName()
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{
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return UnicodeString(S3_DEFAULT_HOSTNAME);
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}
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//---------------------------------------------------------------------------
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UnicodeString __fastcall S3LibDefaultRegion()
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{
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return StrFromS3(S3_DEFAULT_REGION);
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}
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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const int TS3FileSystem::S3MultiPartChunkSize = 5 * 1024 * 1024;
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//---------------------------------------------------------------------------
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TS3FileSystem::TS3FileSystem(TTerminal * ATerminal) :
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TCustomFileSystem(ATerminal),
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FActive(false),
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FResponseIgnore(false)
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{
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FFileSystemInfo.ProtocolBaseName = L"S3";
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FFileSystemInfo.ProtocolName = FFileSystemInfo.ProtocolBaseName;
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S3_create_request_context(&FRequestContext);
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S3_set_request_context_session_callback(FRequestContext, LibS3SessionCallback, this);
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S3_set_request_context_ssl_callback(FRequestContext, LibS3SslCallback, this);
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S3_set_request_context_response_data_callback(FRequestContext, LibS3ResponseDataCallback, this);
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}
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//---------------------------------------------------------------------------
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__fastcall TS3FileSystem::~TS3FileSystem()
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{
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S3_destroy_request_context(FRequestContext);
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FRequestContext = NULL;
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UnregisterFromNeonDebug(FTerminal);
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}
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//---------------------------------------------------------------------------
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void __fastcall TS3FileSystem::Open()
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{
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FTlsVersionStr = L"";
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FNeonSession = NULL;
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FCurrentDirectory = L"";
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RequireNeon(FTerminal);
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FTerminal->Information(LoadStr(STATUS_CONNECT), true);
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TSessionData * Data = FTerminal->SessionData;
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FSessionInfo.LoginTime = Now();
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FLibS3Protocol = (Data->Ftps != ftpsNone) ? S3ProtocolHTTPS : S3ProtocolHTTP;
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UnicodeString AccessKeyId = Data->UserNameExpanded;
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if (AccessKeyId.IsEmpty())
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{
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if (!FTerminal->PromptUser(Data, pkUserName, LoadStr(S3_ACCESS_KEY_ID_TITLE), L"",
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LoadStr(S3_ACCESS_KEY_ID_PROMPT), true, 0, AccessKeyId))
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{
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// note that we never get here actually
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throw Exception(L"");
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}
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}
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FAccessKeyId = UTF8String(AccessKeyId);
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UnicodeString SecretAccessKey = UTF8String(Data->Password);
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if (SecretAccessKey.IsEmpty())
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{
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if (!FTerminal->PromptUser(Data, pkPassword, LoadStr(S3_SECRET_ACCESS_KEY_TITLE), L"",
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LoadStr(S3_SECRET_ACCESS_KEY_PROMPT), false, 0, SecretAccessKey))
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{
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// note that we never get here actually
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throw Exception(L"");
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}
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}
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FSecretAccessKey = UTF8String(SecretAccessKey);
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FHostName = UTF8String(Data->HostNameExpanded);
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FTimeout = Data->Timeout;
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RegisterForNeonDebug(FTerminal);
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UpdateNeonDebugMask();
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{
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TGuard Guard(LibS3Section.get());
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S3_initialize(NULL, S3_INIT_ALL, NULL);
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}
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FActive = false;
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try
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{
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UnicodeString Path;
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if (IsUnixRootPath(Data->RemoteDirectory))
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{
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Path = ROOTDIRECTORY;
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}
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else
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{
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UnicodeString BucketName;
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UnicodeString UnusedKey;
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ParsePath(Data->RemoteDirectory, BucketName, UnusedKey);
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Path = LibS3Delimiter + BucketName;
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}
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TryOpenDirectory(Path);
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}
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catch (Exception & E)
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{
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LibS3Deinitialize();
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FTerminal->Closed();
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FTerminal->FatalError(&E, LoadStr(CONNECTION_FAILED));
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}
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FActive = true;
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}
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//---------------------------------------------------------------------------
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struct TLibS3CallbackData
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{
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TLibS3CallbackData()
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{
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Status = (S3Status)-1;
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}
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TS3FileSystem * FileSystem;
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S3Status Status;
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UnicodeString RegionDetail;
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UnicodeString EndpointDetail;
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UnicodeString ErrorMessage;
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UnicodeString ErrorDetails;
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};
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//---------------------------------------------------------------------------
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TS3FileSystem * TS3FileSystem::GetFileSystem(void * CallbackData)
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{
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return static_cast<TLibS3CallbackData *>(CallbackData)->FileSystem;
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::LibS3SessionCallback(ne_session_s * Session, void * CallbackData)
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{
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TS3FileSystem * FileSystem = static_cast<TS3FileSystem *>(CallbackData);
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TSessionData * Data = FileSystem->FTerminal->SessionData;
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InitNeonSession(
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Session, Data->ProxyMethod, Data->ProxyHost, Data->ProxyPort,
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Data->ProxyUsername, Data->ProxyPassword, FileSystem->FTerminal);
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SetNeonTlsInit(Session, FileSystem->InitSslSession);
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// Data->Timeout is propagated via timeoutMs parameter of functions like S3_list_service
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FileSystem->FNeonSession = Session;
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}
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//------------------------------------------------------------------------------
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void TS3FileSystem::InitSslSession(ssl_st * Ssl, ne_session * /*Session*/)
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{
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// See also CAsyncSslSocketLayer::InitSSLConnection
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SetupSsl(Ssl, FTerminal->SessionData->MinTlsVersion, FTerminal->SessionData->MaxTlsVersion);
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}
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//---------------------------------------------------------------------------
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int TS3FileSystem::LibS3SslCallback(int Failures, const ne_ssl_certificate_s * Certificate, void * CallbackData)
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{
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TNeonCertificateData Data;
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RetrieveNeonCertificateData(Failures, Certificate, Data);
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TS3FileSystem * FileSystem = static_cast<TS3FileSystem *>(CallbackData);
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return FileSystem->VerifyCertificate(Data) ? NE_OK : NE_ERROR;
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}
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//---------------------------------------------------------------------------
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// Similar to TWebDAVFileSystem::VerifyCertificate
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bool TS3FileSystem::VerifyCertificate(TNeonCertificateData Data)
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{
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FSessionInfo.CertificateFingerprint = Data.Fingerprint;
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bool Result;
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if (FTerminal->SessionData->FingerprintScan)
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{
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Result = false;
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}
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else
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{
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FTerminal->LogEvent(CertificateVerificationMessage(Data));
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UnicodeString SiteKey = TSessionData::FormatSiteKey(FTerminal->SessionData->HostNameExpanded, FTerminal->SessionData->PortNumber);
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Result =
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FTerminal->VerifyCertificate(HttpsCertificateStorageKey, SiteKey, Data.Fingerprint, Data.Subject, Data.Failures);
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if (!Result)
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{
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UnicodeString Message;
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Result = NeonWindowsValidateCertificateWithMessage(Data, Message);
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FTerminal->LogEvent(Message);
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}
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FSessionInfo.Certificate = CertificateSummary(Data, FTerminal->SessionData->HostNameExpanded);
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if (!Result)
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{
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Result = FTerminal->ConfirmCertificate(FSessionInfo, Data.Failures, HttpsCertificateStorageKey, true);
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}
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if (Result)
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{
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CollectTLSSessionInfo();
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}
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}
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return Result;
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}
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//------------------------------------------------------------------------------
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void TS3FileSystem::CollectTLSSessionInfo()
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{
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// See also TFTPFileSystem::Open().
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// Have to cache the value as the connection (the neon HTTP session, not "our" session)
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// can be closed at the time we need it in CollectUsage().
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UnicodeString Message = NeonTlsSessionInfo(FNeonSession, FSessionInfo, FTlsVersionStr);
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FTerminal->LogEvent(Message);
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}
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//---------------------------------------------------------------------------
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S3Status TS3FileSystem::LibS3ResponsePropertiesCallback(const S3ResponseProperties * /*Properties*/, void * /*CallbackData*/)
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{
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// TODO
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return S3StatusOK;
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::LibS3ResponseDataCallback(const char * Data, size_t Size, void * CallbackData)
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{
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TS3FileSystem * FileSystem = static_cast<TS3FileSystem *>(CallbackData);
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if (FileSystem->FTerminal->Log->Logging && !FileSystem->FResponseIgnore)
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{
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UnicodeString Content = UnicodeString(UTF8String(Data, Size)).Trim();
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FileSystem->FResponse += Content;
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}
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::LibS3ResponseCompleteCallback(S3Status Status, const S3ErrorDetails * Error, void * CallbackData)
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{
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TLibS3CallbackData & Data = *static_cast<TLibS3CallbackData *>(CallbackData);
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TS3FileSystem * FileSystem = Data.FileSystem;
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Data.Status = Status;
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Data.RegionDetail = L"";
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Data.EndpointDetail = L"";
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Data.ErrorMessage = L"";
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Data.ErrorDetails = L"";
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if (Error != NULL)
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{
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if (Error->message != NULL)
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{
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Data.ErrorMessage = StrFromS3(Error->message);
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FileSystem->FTerminal->LogEvent(Data.ErrorMessage);
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}
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UnicodeString ErrorDetails;
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if (Error->resource != NULL)
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{
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AddToList(ErrorDetails, FMTLOAD(S3_ERROR_RESOURCE, (StrFromS3(Error->resource))), L"\n");
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}
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if (Error->furtherDetails != NULL)
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{
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AddToList(ErrorDetails, FMTLOAD(S3_ERROR_FURTHER_DETAILS, (StrFromS3(Error->furtherDetails))), L"\n");
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}
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if (Error->extraDetailsCount)
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{
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UnicodeString ExtraDetails;
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for (int I = 0; I < Error->extraDetailsCount; I++)
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{
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UnicodeString DetailName = StrFromS3(Error->extraDetails[I].name);
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UnicodeString DetailValue = StrFromS3(Error->extraDetails[I].value);
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if (SameText(DetailName, L"Region"))
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{
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Data.RegionDetail = DetailValue;
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}
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else if (SameText(DetailName, L"Endpoint"))
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{
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Data.EndpointDetail = DetailValue;
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}
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AddToList(ExtraDetails, FORMAT(L"%s: %s", (DetailName, DetailValue)), L", ");
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}
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AddToList(ErrorDetails, LoadStr(S3_ERROR_EXTRA_DETAILS) + ExtraDetails, L"\n");
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}
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if (!ErrorDetails.IsEmpty())
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{
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FileSystem->FTerminal->LogEvent(ErrorDetails);
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Data.ErrorDetails = ErrorDetails;
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}
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}
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if (!FileSystem->FResponse.IsEmpty())
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{
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FileSystem->FTerminal->Log->Add(llOutput, FileSystem->FResponse);
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}
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::RequestInit(TLibS3CallbackData & Data)
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{
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Data.FileSystem = this;
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FResponse = L"";
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::CheckLibS3Error(const TLibS3CallbackData & Data, bool FatalOnConnectError)
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{
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if (Data.Status != S3StatusOK)
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{
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UnicodeString Error, Details;
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bool FatalCandidate = false;
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switch (Data.Status)
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{
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case S3StatusAbortedByCallback:
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Error = LoadStr(USER_TERMINATED);
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break;
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case S3StatusErrorAccessDenied:
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Error = LoadStr(S3_STATUS_ACCESS_DENIED);
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break;
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case S3StatusErrorSignatureDoesNotMatch: // While it can mean an implementation fault, it will typically mean a wrong secure key.
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case S3StatusErrorInvalidAccessKeyId:
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Error = LoadStr(AUTHENTICATION_FAILED);
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break;
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case S3StatusNameLookupError:
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Error = ReplaceStr(LoadStr(NET_TRANSL_HOST_NOT_EXIST2), L"%HOST%", FTerminal->SessionData->HostNameExpanded);
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FatalCandidate = true;
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break;
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case S3StatusFailedToConnect:
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Error = LoadStr(CONNECTION_FAILED);
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FatalCandidate = true;
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break;
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case S3StatusConnectionFailed:
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FatalCandidate = true;
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break;
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}
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if (!Error.IsEmpty())
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{
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Details = Data.ErrorMessage;
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AddToList(Details, Data.ErrorDetails, L"\n");
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}
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else
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{
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if (!Data.ErrorMessage.IsEmpty())
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{
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Error = Data.ErrorMessage;
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}
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else
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{
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// only returns name of the S3 status code symbol, like S3StatusErrorAccountProblem,
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// not something we should really display to an user, but still better than an internal error code
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Error = S3_get_status_name(Data.Status);
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}
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Details = Data.ErrorDetails;
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}
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Error = MainInstructions(Error);
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if (FatalCandidate && FatalOnConnectError)
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{
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throw EFatal(NULL, Error, Details);
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}
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else
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{
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throw ExtException(Error, Details);
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}
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}
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::LibS3Deinitialize()
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{
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TGuard Guard(LibS3Section.get());
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S3_deinitialize();
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}
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//---------------------------------------------------------------------------
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UnicodeString TS3FileSystem::GetFolderKey(const UnicodeString & Key)
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{
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return Key + L"/";
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}
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//---------------------------------------------------------------------------
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void TS3FileSystem::ParsePath(UnicodeString Path, UnicodeString & BucketName, UnicodeString & Key)
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{
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if (DebugAlwaysTrue(Path.SubString(1, 1) == L"/"))
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{
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Path.Delete(1, 1);
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}
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int P = Path.Pos(L"/");
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UnicodeString Result;
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if (P == 0)
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{
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BucketName = Path;
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Key = L"";
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}
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else
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{
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BucketName = Path.SubString(0, P - 1);
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Key = Path.SubString(P + 1, Path.Length() - P);
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}
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}
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//---------------------------------------------------------------------------
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struct TLibS3BucketContext : S3BucketContext
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{
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// These keep data that that we point the native S3BucketContext fields to
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UTF8String HostNameBuf;
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UTF8String BucketNameBuf;
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UTF8String AuthRegionBuf;
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};
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//---------------------------------------------------------------------------
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struct TLibS3ListBucketCallbackData : TLibS3CallbackData
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{
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TRemoteFileList * FileList;
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int KeyCount;
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UTF8String NextMarker;
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bool IsTruncated;
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};
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//---------------------------------------------------------------------------
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TLibS3BucketContext TS3FileSystem::GetBucketContext(const UnicodeString & BucketName)
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{
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TLibS3BucketContext Result;
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bool First = true;
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bool Retry = false;
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do
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{
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TRegions::const_iterator I;
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I = FRegions.find(BucketName);
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UnicodeString Region;
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if (I != FRegions.end())
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{
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Region = I->second;
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}
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else
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{
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Region = FTerminal->SessionData->S3DefaultRegion;
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if (First)
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{
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FTerminal->LogEvent(FORMAT(L"Unknown bucket \"%s\", will detect its region (and service endpoint)", (BucketName)));
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First = false;
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}
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Retry = true;
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}
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I = FHostNames.find(BucketName);
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UnicodeString HostName;
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if (I != FHostNames.end())
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{
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HostName = I->second;
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}
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else
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{
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HostName = UnicodeString(FHostName);
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}
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Result.HostNameBuf = UTF8String(HostName);
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Result.hostName = Result.HostNameBuf.c_str();
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Result.BucketNameBuf = UTF8String(BucketName);
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Result.bucketName = Result.BucketNameBuf.c_str();
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Result.protocol = FLibS3Protocol;
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Result.uriStyle = S3UriStyleVirtualHost;
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Result.accessKeyId = FAccessKeyId.c_str();
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Result.secretAccessKey = FSecretAccessKey.c_str();
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Result.securityToken = NULL;
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Result.AuthRegionBuf = UTF8String(Region);
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Result.authRegion = Result.AuthRegionBuf.c_str();
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if (Retry)
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{
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std::unique_ptr<TRemoteFileList> FileList(new TRemoteFileList());
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TLibS3ListBucketCallbackData Data;
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DoListBucket(UnicodeString(), FileList.get(), 1, Result, Data);
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Retry = false;
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UnicodeString EndpointDetail = Data.EndpointDetail;
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if ((Data.Status == S3StatusErrorAuthorizationHeaderMalformed) &&
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(Region != Data.RegionDetail))
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{
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FTerminal->LogEvent(FORMAT("Will use region \"%s\" for bucket \"%s\" from now on.", (Data.RegionDetail, BucketName)));
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FRegions.insert(std::make_pair(BucketName, Data.RegionDetail));
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Result.AuthRegionBuf = UTF8String(Data.RegionDetail);
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Result.authRegion = Result.AuthRegionBuf.c_str();
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}
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// happens with newly created buckets (and happens before the region redirect)
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else if ((Data.Status == S3StatusErrorTemporaryRedirect) && !Data.EndpointDetail.IsEmpty())
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{
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UnicodeString Endpoint = Data.EndpointDetail;
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if (SameText(Endpoint.SubString(1, BucketName.Length() + 1), BucketName + L"."))
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{
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Endpoint.Delete(1, BucketName.Length() + 1);
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}
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if (HostName != Endpoint)
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{
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FTerminal->LogEvent(FORMAT("Will use endpoint \"%s\" for bucket \"%s\" from now on.", (Endpoint, BucketName)));
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FHostNames.insert(std::make_pair(BucketName, Endpoint));
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Retry = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
while (Retry);
|
|
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
#define CreateResponseHandlerCustom(PropertiesCallback) { &PropertiesCallback, &LibS3ResponseCompleteCallback }
|
|
#define CreateResponseHandler() CreateResponseHandlerCustom(LibS3ResponsePropertiesCallback)
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::Close()
|
|
{
|
|
DebugAssert(FActive);
|
|
LibS3Deinitialize();
|
|
FTerminal->Closed();
|
|
FActive = false;
|
|
UnregisterFromNeonDebug(FTerminal);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
bool __fastcall TS3FileSystem::GetActive()
|
|
{
|
|
return FActive;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CollectUsage()
|
|
{
|
|
// noop
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
const TSessionInfo & __fastcall TS3FileSystem::GetSessionInfo()
|
|
{
|
|
return FSessionInfo;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
const TFileSystemInfo & __fastcall TS3FileSystem::GetFileSystemInfo(bool /*Retrieve*/)
|
|
{
|
|
return FFileSystemInfo;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
bool __fastcall TS3FileSystem::TemporaryTransferFile(const UnicodeString & /*FileName*/)
|
|
{
|
|
return false;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
bool __fastcall TS3FileSystem::GetStoredCredentialsTried()
|
|
{
|
|
// if we have one, we always try it
|
|
return !FTerminal->SessionData->Password.IsEmpty();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
UnicodeString __fastcall TS3FileSystem::GetUserName()
|
|
{
|
|
return UnicodeString(FAccessKeyId);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::Idle()
|
|
{
|
|
// noop
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
UnicodeString __fastcall TS3FileSystem::AbsolutePath(const UnicodeString Path, bool /*Local*/)
|
|
{
|
|
if (UnixIsAbsolutePath(Path))
|
|
{
|
|
return Path;
|
|
}
|
|
else
|
|
{
|
|
return ::AbsolutePath(FCurrentDirectory, Path);
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
bool __fastcall TS3FileSystem::IsCapable(int Capability) const
|
|
{
|
|
DebugAssert(FTerminal);
|
|
switch (Capability)
|
|
{
|
|
// Only to make double-click on file edit/open the file,
|
|
// instead of trying to open it as directory
|
|
case fcResolveSymlink:
|
|
case fcRemoteCopy:
|
|
case fcRename:
|
|
case fcRemoteMove:
|
|
case fcMoveToQueue:
|
|
case fsSkipTransfer:
|
|
case fsParallelTransfers:
|
|
return true;
|
|
|
|
case fcPreservingTimestampUpload:
|
|
case fcCheckingSpaceAvailable:
|
|
case fcUserGroupListing:
|
|
case fcModeChanging:
|
|
case fcModeChangingUpload:
|
|
case fcGroupChanging:
|
|
case fcOwnerChanging:
|
|
case fcAnyCommand:
|
|
case fcShellAnyCommand:
|
|
case fcHardLink:
|
|
case fcSymbolicLink:
|
|
case fcTextMode:
|
|
case fcNativeTextMode:
|
|
case fcNewerOnlyUpload:
|
|
case fcTimestampChanging:
|
|
case fcLoadingAdditionalProperties:
|
|
case fcIgnorePermErrors:
|
|
case fcCalculatingChecksum:
|
|
case fcSecondaryShell:
|
|
case fcGroupOwnerChangingByID:
|
|
case fcRemoveCtrlZUpload:
|
|
case fcRemoveBOMUpload:
|
|
case fcPreservingTimestampDirs:
|
|
case fcResumeSupport:
|
|
case fcChangePassword:
|
|
case fcLocking:
|
|
return false;
|
|
|
|
default:
|
|
DebugFail();
|
|
return false;
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
UnicodeString __fastcall TS3FileSystem::GetCurrentDirectory()
|
|
{
|
|
return FCurrentDirectory;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::DoStartup()
|
|
{
|
|
FTerminal->SetExceptionOnFail(true);
|
|
// retrieve initialize working directory to save it as home directory
|
|
ReadCurrentDirectory();
|
|
FTerminal->SetExceptionOnFail(false);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::LookupUsersGroups()
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ReadCurrentDirectory()
|
|
{
|
|
if (FCachedDirectoryChange.IsEmpty())
|
|
{
|
|
FCurrentDirectory = FCurrentDirectory.IsEmpty() ? UnicodeString(L"/") : FCurrentDirectory;
|
|
}
|
|
else
|
|
{
|
|
FCurrentDirectory = FCachedDirectoryChange;
|
|
FCachedDirectoryChange = L"";
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::HomeDirectory()
|
|
{
|
|
ChangeDirectory(L"/");
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::AnnounceFileListOperation()
|
|
{
|
|
// noop
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void TS3FileSystem::TryOpenDirectory(const UnicodeString & Directory)
|
|
{
|
|
FTerminal->LogEvent(FORMAT(L"Trying to open directory \"%s\".", (Directory)));
|
|
std::unique_ptr<TRemoteFileList> FileList(new TRemoteFileList());
|
|
ReadDirectoryInternal(Directory, FileList.get(), 1, UnicodeString());
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ChangeDirectory(const UnicodeString ADirectory)
|
|
{
|
|
UnicodeString Path = AbsolutePath(ADirectory, false);
|
|
|
|
// to verify existence of directory try to open it
|
|
TryOpenDirectory(Path);
|
|
|
|
// if open dir did not fail, directory exists -> success.
|
|
FCachedDirectoryChange = Path;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CachedChangeDirectory(const UnicodeString Directory)
|
|
{
|
|
FCachedDirectoryChange = UnixExcludeTrailingBackslash(Directory);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
TRemoteToken TS3FileSystem::MakeRemoteToken(const char * OwnerId, const char * OwnerDisplayName)
|
|
{
|
|
TRemoteToken Result;
|
|
Result.Name = StrFromS3(OwnerDisplayName);
|
|
if (Result.Name.IsEmpty())
|
|
{
|
|
Result.Name = StrFromS3(OwnerId);
|
|
}
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
struct TLibS3ListServiceCallbackData : TLibS3CallbackData
|
|
{
|
|
TRemoteFileList * FileList;
|
|
UnicodeString FileName; // filter for buckets
|
|
};
|
|
//---------------------------------------------------------------------------
|
|
S3Status TS3FileSystem::LibS3ListServiceCallback(
|
|
const char * OwnerId, const char * OwnerDisplayName, const char * BucketName,
|
|
int64_t /*CreationDate*/, void * CallbackData)
|
|
{
|
|
TLibS3ListServiceCallbackData & Data = *static_cast<TLibS3ListServiceCallbackData *>(CallbackData);
|
|
|
|
UnicodeString FileName = StrFromS3(BucketName);
|
|
if (Data.FileName.IsEmpty() || (Data.FileName == FileName))
|
|
{
|
|
std::unique_ptr<TRemoteFile> File(new TRemoteFile(NULL));
|
|
File->Terminal = Data.FileSystem->FTerminal;
|
|
File->FileName = StrFromS3(BucketName);
|
|
File->Type = FILETYPE_DIRECTORY;
|
|
File->Owner = Data.FileSystem->MakeRemoteToken(OwnerId, OwnerDisplayName);
|
|
File->ModificationFmt = mfNone;
|
|
Data.FileList->AddFile(File.release());
|
|
}
|
|
|
|
return S3StatusOK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
S3Status TS3FileSystem::LibS3ListBucketCallback(
|
|
int IsTruncated, const char * NextMarker, int ContentsCount, const S3ListBucketContent * Contents,
|
|
int CommonPrefixesCount, const char ** CommonPrefixes, void * CallbackData)
|
|
{
|
|
TLibS3ListBucketCallbackData & Data = *static_cast<TLibS3ListBucketCallbackData *>(CallbackData);
|
|
|
|
Data.IsTruncated = IsTruncated;
|
|
// This is being called in chunks, not once for all data in a response.
|
|
Data.KeyCount += ContentsCount;
|
|
Data.NextMarker = StrFromS3(NextMarker);
|
|
|
|
for (int Index = 0; Index < ContentsCount; Index++)
|
|
{
|
|
const S3ListBucketContent * Content = &Contents[Index];
|
|
UnicodeString FileName = UnixExtractFileName(StrFromS3(Content->key));
|
|
if (!FileName.IsEmpty())
|
|
{
|
|
std::unique_ptr<TRemoteFile> File(new TRemoteFile(NULL));
|
|
File->Terminal = Data.FileSystem->FTerminal;
|
|
File->FileName = FileName;
|
|
File->Type = FILETYPE_DEFAULT;
|
|
File->Modification = UnixToDateTime(Content->lastModified, dstmWin);
|
|
File->Size = Content->size;
|
|
File->Owner = Data.FileSystem->MakeRemoteToken(Content->ownerId, Content->ownerDisplayName);
|
|
Data.FileList->AddFile(File.release());
|
|
}
|
|
else
|
|
{
|
|
// We needs this to distinguish empty and non-existing folders, see comments in ReadDirectoryInternal.
|
|
Data.FileList->AddFile(new TRemoteParentDirectory(Data.FileSystem->FTerminal));
|
|
}
|
|
}
|
|
|
|
for (int Index = 0; Index < CommonPrefixesCount; Index++)
|
|
{
|
|
std::unique_ptr<TRemoteFile> File(new TRemoteFile(NULL));
|
|
File->Terminal = Data.FileSystem->FTerminal;
|
|
File->FileName = UnixExtractFileName(UnixExcludeTrailingBackslash(StrFromS3(CommonPrefixes[Index])));
|
|
File->Type = FILETYPE_DIRECTORY;
|
|
File->ModificationFmt = mfNone;
|
|
Data.FileList->AddFile(File.release());
|
|
}
|
|
|
|
return S3StatusOK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void TS3FileSystem::DoListBucket(
|
|
const UnicodeString & Prefix, TRemoteFileList * FileList, int MaxKeys, const TLibS3BucketContext & BucketContext,
|
|
TLibS3ListBucketCallbackData & Data)
|
|
{
|
|
S3ListBucketHandler ListBucketHandler = { CreateResponseHandler(), &LibS3ListBucketCallback };
|
|
RequestInit(Data);
|
|
Data.KeyCount = 0;
|
|
Data.FileList = FileList;
|
|
Data.IsTruncated = false;
|
|
|
|
S3_list_bucket(
|
|
&BucketContext, StrToS3(Prefix), StrToS3(Data.NextMarker),
|
|
LibS3Delimiter.c_str(), MaxKeys, FRequestContext, FTimeout, &ListBucketHandler, &Data);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void TS3FileSystem::ReadDirectoryInternal(
|
|
const UnicodeString & APath, TRemoteFileList * FileList, int MaxKeys, const UnicodeString & FileName)
|
|
{
|
|
UnicodeString Path = AbsolutePath(APath, false);
|
|
if (IsUnixRootPath(Path))
|
|
{
|
|
DebugAssert(FileList != NULL);
|
|
|
|
S3ListServiceHandler ListServiceHandler = { CreateResponseHandler(), &LibS3ListServiceCallback };
|
|
|
|
TLibS3ListServiceCallbackData Data;
|
|
RequestInit(Data);
|
|
Data.FileSystem = this;
|
|
Data.FileList = FileList;
|
|
Data.FileName = FileName;
|
|
|
|
S3_list_service(
|
|
FLibS3Protocol, FAccessKeyId.c_str(), FSecretAccessKey.c_str(), 0, FHostName.c_str(),
|
|
NULL, MaxKeys, FRequestContext, FTimeout, &ListServiceHandler, &Data);
|
|
|
|
CheckLibS3Error(Data);
|
|
}
|
|
else
|
|
{
|
|
UnicodeString BucketName, Prefix;
|
|
ParsePath(Path, BucketName, Prefix);
|
|
if (!Prefix.IsEmpty())
|
|
{
|
|
Prefix = GetFolderKey(Prefix);
|
|
}
|
|
Prefix += FileName;
|
|
TLibS3BucketContext BucketContext = GetBucketContext(BucketName);
|
|
|
|
TLibS3ListBucketCallbackData Data;
|
|
bool Continue;
|
|
|
|
do
|
|
{
|
|
DoListBucket(Prefix, FileList, MaxKeys, BucketContext, Data);
|
|
CheckLibS3Error(Data);
|
|
|
|
Continue = false;
|
|
|
|
if (Data.IsTruncated && ((MaxKeys == 0) || (Data.KeyCount < MaxKeys)))
|
|
{
|
|
bool Cancel = false;
|
|
FTerminal->DoReadDirectoryProgress(FileList->Count, false, Cancel);
|
|
if (!Cancel)
|
|
{
|
|
Continue = true;
|
|
}
|
|
}
|
|
} while (Continue);
|
|
|
|
// Listing bucket root directory will report an error if the bucket does not exist.
|
|
// But there won't be any prefix/ entry, so no ".." entry is created, so we have to add it explicitly
|
|
if (Prefix.IsEmpty())
|
|
{
|
|
FileList->AddFile(new TRemoteParentDirectory(FTerminal));
|
|
}
|
|
else
|
|
{
|
|
// We do not get any error, when the "prefix" does not exist. But when prefix does exist, there's at least
|
|
// prefix/ entry (translated to ..). If there's none, it means that the path does not exist.
|
|
// When called from DoReadFile (FileName is set), leaving error handling to the caller.
|
|
if ((FileList->Count == 0) && FileName.IsEmpty())
|
|
{
|
|
throw Exception(FMTLOAD(FILE_NOT_EXISTS, (APath)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ReadDirectory(TRemoteFileList * FileList)
|
|
{
|
|
TOperationVisualizer Visualizer(FTerminal->UseBusyCursor);
|
|
ReadDirectoryInternal(FileList->Directory, FileList, 0, UnicodeString());
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ReadSymlink(TRemoteFile * /*SymlinkFile*/,
|
|
TRemoteFile *& /*File*/)
|
|
{
|
|
// we never set SymLink flag, so we should never get here
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void TS3FileSystem::DoReadFile(const UnicodeString & FileName, TRemoteFile *& File)
|
|
{
|
|
UnicodeString FileNameOnly = UnixExtractFileName(FileName);
|
|
std::unique_ptr<TRemoteFileList> FileList(new TRemoteFileList());
|
|
ReadDirectoryInternal(UnixExtractFileDir(FileName), FileList.get(), 1, FileNameOnly);
|
|
TRemoteFile * AFile = FileList->FindFile(FileNameOnly);
|
|
if (AFile != NULL)
|
|
{
|
|
File = AFile->Duplicate();
|
|
}
|
|
else
|
|
{
|
|
File = NULL;
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ReadFile(const UnicodeString FileName,
|
|
TRemoteFile *& File)
|
|
{
|
|
TOperationVisualizer Visualizer(FTerminal->UseBusyCursor);
|
|
DoReadFile(FileName, File);
|
|
if (File == NULL)
|
|
{
|
|
throw Exception(FMTLOAD(FILE_NOT_EXISTS, (FileName)));
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::DeleteFile(const UnicodeString AFileName,
|
|
const TRemoteFile * File, int Params, TRmSessionAction & Action)
|
|
{
|
|
UnicodeString FileName = AbsolutePath(AFileName, false);
|
|
|
|
bool Dir = FTerminal->DeleteContentsIfDirectory(FileName, File, Params, Action);
|
|
|
|
UnicodeString BucketName, Key;
|
|
ParsePath(FileName, BucketName, Key);
|
|
|
|
TLibS3BucketContext BucketContext = GetBucketContext(BucketName);
|
|
|
|
S3ResponseHandler ResponseHandler = CreateResponseHandler();
|
|
|
|
TLibS3CallbackData Data;
|
|
RequestInit(Data);
|
|
|
|
if (Key.IsEmpty())
|
|
{
|
|
S3_delete_bucket(
|
|
BucketContext.protocol, BucketContext.uriStyle, BucketContext.accessKeyId, BucketContext.secretAccessKey,
|
|
BucketContext.securityToken, BucketContext.hostName, BucketContext.bucketName, BucketContext.authRegion,
|
|
FRequestContext, FTimeout, &ResponseHandler, &Data);
|
|
}
|
|
else
|
|
{
|
|
if (Dir)
|
|
{
|
|
Key = GetFolderKey(Key);
|
|
}
|
|
S3_delete_object(&BucketContext, StrToS3(Key), FRequestContext, FTimeout, &ResponseHandler, &Data);
|
|
}
|
|
|
|
CheckLibS3Error(Data);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::RenameFile(const UnicodeString FileName, const TRemoteFile * File,
|
|
const UnicodeString NewName)
|
|
{
|
|
CopyFile(FileName, File, NewName);
|
|
TRmSessionAction DummyAction(FTerminal->ActionLog, FileName);
|
|
DeleteFile(FileName, File, dfForceDelete, DummyAction);
|
|
DummyAction.Cancel();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CopyFile(const UnicodeString AFileName, const TRemoteFile * File,
|
|
const UnicodeString ANewName)
|
|
{
|
|
if (DebugAlwaysTrue(File != NULL) && File->IsDirectory)
|
|
{
|
|
throw Exception(LoadStr(DUPLICATE_FOLDER_NOT_SUPPORTED));
|
|
}
|
|
|
|
UnicodeString FileName = AbsolutePath(AFileName, false);
|
|
UnicodeString NewName = AbsolutePath(ANewName, false);
|
|
|
|
UnicodeString SourceBucketName, SourceKey;
|
|
ParsePath(FileName, SourceBucketName, SourceKey);
|
|
DebugAssert(!SourceKey.IsEmpty()); // it's not a folder, so it cannot be a bucket or root
|
|
|
|
UnicodeString DestBucketName, DestKey;
|
|
ParsePath(NewName, DestBucketName, DestKey);
|
|
|
|
if (DestKey.IsEmpty())
|
|
{
|
|
throw Exception(LoadStr(MISSING_TARGET_BUCKET));
|
|
}
|
|
|
|
TLibS3BucketContext BucketContext = GetBucketContext(DestBucketName);
|
|
BucketContext.BucketNameBuf = SourceBucketName;
|
|
BucketContext.bucketName = BucketContext.BucketNameBuf.c_str();
|
|
|
|
S3ResponseHandler ResponseHandler = CreateResponseHandler();
|
|
|
|
TLibS3CallbackData Data;
|
|
RequestInit(Data);
|
|
|
|
S3_copy_object(
|
|
&BucketContext, StrToS3(SourceKey), StrToS3(DestBucketName), StrToS3(DestKey),
|
|
NULL, NULL, 0, NULL, FRequestContext, FTimeout, &ResponseHandler, &Data);
|
|
|
|
CheckLibS3Error(Data);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CreateDirectory(const UnicodeString ADirName)
|
|
{
|
|
TOperationVisualizer Visualizer(FTerminal->UseBusyCursor);
|
|
UnicodeString DirName = UnixExcludeTrailingBackslash(AbsolutePath(ADirName, false));
|
|
|
|
UnicodeString BucketName, Key;
|
|
ParsePath(DirName, BucketName, Key);
|
|
|
|
TLibS3CallbackData Data;
|
|
RequestInit(Data);
|
|
|
|
if (Key.IsEmpty())
|
|
{
|
|
S3ResponseHandler ResponseHandler = CreateResponseHandler();
|
|
|
|
// Not using GetBucketContext here, as the bucket does not exist, so we have to explicitly use S3DefaultRegion
|
|
S3_create_bucket(
|
|
FLibS3Protocol, FAccessKeyId.c_str(), FSecretAccessKey.c_str(), NULL, FHostName.c_str(), StrToS3(BucketName),
|
|
StrToS3(FTerminal->SessionData->S3DefaultRegion), S3CannedAclPrivate, NULL, FRequestContext, FTimeout,
|
|
&ResponseHandler, &Data);
|
|
}
|
|
else
|
|
{
|
|
Key = GetFolderKey(Key);
|
|
|
|
TLibS3BucketContext BucketContext = GetBucketContext(BucketName);
|
|
|
|
S3PutObjectHandler PutObjectHandler = { CreateResponseHandler(), NULL };
|
|
|
|
S3_put_object(&BucketContext, StrToS3(Key), 0, NULL, FRequestContext, FTimeout, &PutObjectHandler, &Data);
|
|
}
|
|
|
|
CheckLibS3Error(Data);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CreateLink(const UnicodeString FileName,
|
|
const UnicodeString PointTo, bool /*Symbolic*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ChangeFileProperties(const UnicodeString FileName,
|
|
const TRemoteFile * /*File*/, const TRemoteProperties * /*Properties*/,
|
|
TChmodSessionAction & /*Action*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
bool __fastcall TS3FileSystem::LoadFilesProperties(TStrings * /*FileList*/)
|
|
{
|
|
DebugFail();
|
|
return false;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CalculateFilesChecksum(const UnicodeString & /*Alg*/,
|
|
TStrings * /*FileList*/, TStrings * /*Checksums*/,
|
|
TCalculatedChecksumEvent /*OnCalculatedChecksum*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CustomCommandOnFile(const UnicodeString FileName,
|
|
const TRemoteFile * /*File*/, UnicodeString Command, int /*Params*/, TCaptureOutputEvent /*OutputEvent*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::AnyCommand(const UnicodeString Command,
|
|
TCaptureOutputEvent /*OutputEvent*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
TStrings * __fastcall TS3FileSystem::GetFixedPaths()
|
|
{
|
|
return NULL;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::SpaceAvailable(const UnicodeString Path,
|
|
TSpaceAvailable & /*ASpaceAvailable*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CopyToRemote(
|
|
TStrings * FilesToCopy, const UnicodeString TargetDir, const TCopyParamType * CopyParam,
|
|
int Params, TFileOperationProgressType * OperationProgress, TOnceDoneOperation & OnceDoneOperation)
|
|
{
|
|
Params &= ~cpAppend;
|
|
|
|
FTerminal->DoCopyToRemote(FilesToCopy, TargetDir, CopyParam, Params, OperationProgress, tfPreCreateDir, OnceDoneOperation);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void TS3FileSystem::ConfirmOverwrite(
|
|
const UnicodeString & SourceFullFileName, UnicodeString & TargetFileName,
|
|
TFileOperationProgressType * OperationProgress, const TOverwriteFileParams * FileParams,
|
|
const TCopyParamType * CopyParam, int Params)
|
|
{
|
|
int Answers = qaYes | qaNo | qaCancel | qaYesToAll | qaNoToAll;
|
|
std::vector<TQueryButtonAlias> Aliases;
|
|
Aliases.push_back(TQueryButtonAlias::CreateYesToAllGrouppedWithYes());
|
|
Aliases.push_back(TQueryButtonAlias::CreateNoToAllGrouppedWithNo());
|
|
|
|
TQueryParams QueryParams(qpNeverAskAgainCheck);
|
|
QueryParams.Aliases = &Aliases[0];
|
|
QueryParams.AliasesCount = Aliases.size();
|
|
|
|
unsigned int Answer;
|
|
|
|
{
|
|
TSuspendFileOperationProgress Suspend(OperationProgress);
|
|
Answer =
|
|
FTerminal->ConfirmFileOverwrite(
|
|
SourceFullFileName, TargetFileName, FileParams, Answers, &QueryParams,
|
|
ReverseOperationSide(OperationProgress->Side),
|
|
CopyParam, Params, OperationProgress);
|
|
}
|
|
|
|
switch (Answer)
|
|
{
|
|
case qaYes:
|
|
// noop
|
|
break;
|
|
|
|
case qaNo:
|
|
throw ESkipFile();
|
|
|
|
default:
|
|
DebugFail();
|
|
case qaCancel:
|
|
OperationProgress->SetCancelAtLeast(csCancel);
|
|
Abort();
|
|
break;
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
struct TLibS3TransferObjectDataCallbackData : TLibS3CallbackData
|
|
{
|
|
UnicodeString FileName;
|
|
TStream * Stream;
|
|
TFileOperationProgressType * OperationProgress;
|
|
std::auto_ptr<Exception> Exception;
|
|
};
|
|
//---------------------------------------------------------------------------
|
|
struct TLibS3PutObjectDataCallbackData : TLibS3TransferObjectDataCallbackData
|
|
{
|
|
RawByteString ETag;
|
|
};
|
|
//---------------------------------------------------------------------------
|
|
int TS3FileSystem::LibS3PutObjectDataCallback(int BufferSize, char * Buffer, void * CallbackData)
|
|
{
|
|
TLibS3PutObjectDataCallbackData & Data = *static_cast<TLibS3PutObjectDataCallbackData *>(CallbackData);
|
|
|
|
return Data.FileSystem->PutObjectData(BufferSize, Buffer, Data);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
bool TS3FileSystem::ShouldCancelTransfer(TLibS3TransferObjectDataCallbackData & Data)
|
|
{
|
|
bool Result = (Data.OperationProgress->Cancel != csContinue);
|
|
if (Result)
|
|
{
|
|
if (Data.OperationProgress->ClearCancelFile())
|
|
{
|
|
Data.Exception.reset(new ESkipFile());
|
|
}
|
|
else
|
|
{
|
|
Data.Exception.reset(new EAbort(L""));
|
|
}
|
|
}
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
int TS3FileSystem::PutObjectData(int BufferSize, char * Buffer, TLibS3PutObjectDataCallbackData & Data)
|
|
{
|
|
int Result;
|
|
|
|
if (ShouldCancelTransfer(Data))
|
|
{
|
|
Result = -1;
|
|
}
|
|
else
|
|
{
|
|
TFileOperationProgressType * OperationProgress = Data.OperationProgress;
|
|
try
|
|
{
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
Result = Data.Stream->Read(Buffer, BufferSize);
|
|
}
|
|
FILE_OPERATION_LOOP_END(FMTLOAD(READ_ERROR, (Data.FileName)));
|
|
|
|
OperationProgress->AddTransferred(Result);
|
|
}
|
|
catch (Exception & E)
|
|
{
|
|
Data.Exception.reset(CloneException(&E));
|
|
Result = -1;
|
|
}
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
struct TLibS3MultipartInitialCallbackData : TLibS3CallbackData
|
|
{
|
|
RawByteString UploadId;
|
|
};
|
|
//---------------------------------------------------------------------------
|
|
S3Status TS3FileSystem::LibS3MultipartInitialCallback(const char * UploadId, void * CallbackData)
|
|
{
|
|
TLibS3MultipartInitialCallbackData & Data = *static_cast<TLibS3MultipartInitialCallbackData *>(CallbackData);
|
|
|
|
Data.UploadId = UploadId;
|
|
|
|
return S3StatusOK;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
struct TLibS3MultipartCommitPutObjectDataCallbackData : TLibS3CallbackData
|
|
{
|
|
RawByteString Message;
|
|
int Remaining;
|
|
};
|
|
//---------------------------------------------------------------------------
|
|
S3Status TS3FileSystem::LibS3MultipartResponsePropertiesCallback(
|
|
const S3ResponseProperties * Properties, void * CallbackData)
|
|
{
|
|
S3Status Result = LibS3ResponsePropertiesCallback(Properties, CallbackData);
|
|
|
|
TLibS3PutObjectDataCallbackData & Data = *static_cast<TLibS3PutObjectDataCallbackData *>(CallbackData);
|
|
|
|
Data.ETag = Properties->eTag;
|
|
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
int TS3FileSystem::LibS3MultipartCommitPutObjectDataCallback(int BufferSize, char * Buffer, void * CallbackData)
|
|
{
|
|
TLibS3MultipartCommitPutObjectDataCallbackData & Data =
|
|
*static_cast<TLibS3MultipartCommitPutObjectDataCallbackData *>(CallbackData);
|
|
int Result = 0;
|
|
if (Data.Remaining > 0)
|
|
{
|
|
Result = std::min(BufferSize, Data.Remaining);
|
|
memcpy(Buffer, Data.Message.c_str() + Data.Message.Length() - Data.Remaining, Result);
|
|
Data.Remaining -= Result;
|
|
}
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::Source(
|
|
TLocalFileHandle & Handle, const UnicodeString & TargetDir, UnicodeString & DestFileName,
|
|
const TCopyParamType * CopyParam, int Params,
|
|
TFileOperationProgressType * OperationProgress, unsigned int /*Flags*/,
|
|
TUploadSessionAction & Action, bool & /*ChildError*/)
|
|
{
|
|
UnicodeString DestFullName = TargetDir + DestFileName;
|
|
|
|
TRemoteFile * RemoteFile = NULL;
|
|
try
|
|
{
|
|
// Should not throw on non-existing file by purpose (mainly not to get an exception while debugging)
|
|
DoReadFile(DestFullName, RemoteFile);
|
|
}
|
|
catch (...)
|
|
{
|
|
// Pointless, as there's no persistent connection.
|
|
if (!FTerminal->Active)
|
|
{
|
|
throw;
|
|
}
|
|
}
|
|
|
|
if (RemoteFile != NULL)
|
|
{
|
|
TOverwriteFileParams FileParams;
|
|
|
|
FileParams.SourceSize = Handle.Size;
|
|
FileParams.SourceTimestamp = Handle.Modification;
|
|
FileParams.DestSize = RemoteFile->Size;
|
|
FileParams.DestTimestamp = TDateTime();
|
|
FileParams.DestPrecision = mfNone;
|
|
delete RemoteFile;
|
|
|
|
ConfirmOverwrite(Handle.FileName, DestFileName, OperationProgress, &FileParams, CopyParam, Params);
|
|
}
|
|
|
|
DestFullName = TargetDir + DestFileName;
|
|
// only now, we know the final destination
|
|
// (not really true as we do not support changing file name on overwrite dialog)
|
|
Action.Destination(DestFullName);
|
|
|
|
UnicodeString BucketName, Key;
|
|
ParsePath(DestFullName, BucketName, Key);
|
|
|
|
TLibS3BucketContext BucketContext = GetBucketContext(BucketName);
|
|
|
|
int Parts = std::max(1, static_cast<int>((Handle.Size + S3MultiPartChunkSize - 1) / S3MultiPartChunkSize));
|
|
bool Multipart = (Parts > 1);
|
|
|
|
RawByteString MultipartUploadId;
|
|
TLibS3MultipartCommitPutObjectDataCallbackData MultipartCommitPutObjectDataCallbackData;
|
|
|
|
if (Multipart)
|
|
{
|
|
FTerminal->LogEvent(FORMAT(L"Initiating multipart upload (%d parts)", (Parts)));
|
|
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
TLibS3MultipartInitialCallbackData Data;
|
|
RequestInit(Data);
|
|
|
|
S3MultipartInitialHandler Handler = { CreateResponseHandler(), &LibS3MultipartInitialCallback };
|
|
|
|
S3_initiate_multipart(&BucketContext, StrToS3(Key), 0, &Handler, FRequestContext, FTimeout, &Data);
|
|
|
|
CheckLibS3Error(Data, true);
|
|
|
|
MultipartUploadId = Data.UploadId;
|
|
}
|
|
FILE_OPERATION_LOOP_END_EX(FMTLOAD(TRANSFER_ERROR, (Handle.FileName)), (folAllowSkip | folRetryOnFatal));
|
|
|
|
FTerminal->LogEvent(FORMAT(L"Initiated multipart upload (%s - %d parts)", (UnicodeString(MultipartUploadId), Parts)));
|
|
|
|
MultipartCommitPutObjectDataCallbackData.Message += "<CompleteMultipartUpload>\n";
|
|
}
|
|
|
|
try
|
|
{
|
|
TLibS3PutObjectDataCallbackData Data;
|
|
|
|
__int64 Position = 0;
|
|
|
|
std::unique_ptr<TStream> Stream(new TSafeHandleStream(reinterpret_cast<THandle>(Handle.Handle)));
|
|
|
|
for (int Part = 1; Part <= Parts; Part++)
|
|
{
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
DebugAssert(Stream->Position == OperationProgress->TransferredSize);
|
|
|
|
// If not, it's chunk retry and we have to undo the unsuccessful chunk upload
|
|
if (Position < Stream->Position)
|
|
{
|
|
Stream->Position = Position;
|
|
OperationProgress->AddTransferred(Position - OperationProgress->TransferredSize);
|
|
}
|
|
|
|
RequestInit(Data);
|
|
Data.FileName = Handle.FileName;
|
|
Data.Stream = Stream.get();
|
|
Data.OperationProgress = OperationProgress;
|
|
Data.Exception.reset(NULL);
|
|
|
|
if (Multipart)
|
|
{
|
|
S3PutObjectHandler UploadPartHandler =
|
|
{ CreateResponseHandlerCustom(LibS3MultipartResponsePropertiesCallback), LibS3PutObjectDataCallback };
|
|
int PartLength = std::min(S3MultiPartChunkSize, static_cast<int>(Stream->Size - Stream->Position));
|
|
FTerminal->LogEvent(FORMAT(L"Uploading part %d [%s]", (Part, IntToStr(PartLength))));
|
|
S3_upload_part(
|
|
&BucketContext, StrToS3(Key), NULL, &UploadPartHandler, Part, MultipartUploadId.c_str(),
|
|
PartLength, FRequestContext, FTimeout, &Data);
|
|
}
|
|
else
|
|
{
|
|
S3PutObjectHandler PutObjectHandler = { CreateResponseHandler(), LibS3PutObjectDataCallback };
|
|
S3_put_object(&BucketContext, StrToS3(Key), Handle.Size, NULL, FRequestContext, FTimeout, &PutObjectHandler, &Data);
|
|
}
|
|
|
|
// The "exception" was already seen by the user, its presence mean an accepted abort of the operation.
|
|
if (Data.Exception.get() == NULL)
|
|
{
|
|
CheckLibS3Error(Data, true);
|
|
}
|
|
|
|
Position = Stream->Position;
|
|
|
|
if (Multipart)
|
|
{
|
|
RawByteString PartCommitTag =
|
|
RawByteString::Format(" <Part><PartNumber>%d</PartNumber><ETag>%s</ETag></Part>\n", ARRAYOFCONST((Part, Data.ETag)));
|
|
MultipartCommitPutObjectDataCallbackData.Message += PartCommitTag;
|
|
}
|
|
}
|
|
FILE_OPERATION_LOOP_END_EX(FMTLOAD(TRANSFER_ERROR, (Handle.FileName)), (folAllowSkip | folRetryOnFatal));
|
|
|
|
if (Data.Exception.get() != NULL)
|
|
{
|
|
RethrowException(Data.Exception.get());
|
|
}
|
|
}
|
|
|
|
Stream.reset(NULL);
|
|
|
|
if (Multipart)
|
|
{
|
|
MultipartCommitPutObjectDataCallbackData.Message += "</CompleteMultipartUpload>\n";
|
|
|
|
FTerminal->LogEvent(FORMAT(L"Committing multipart upload (%s - %d parts)", (UnicodeString(MultipartUploadId), Parts)));
|
|
FTerminal->LogEvent(UnicodeString(MultipartCommitPutObjectDataCallbackData.Message));
|
|
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
RequestInit(MultipartCommitPutObjectDataCallbackData);
|
|
|
|
MultipartCommitPutObjectDataCallbackData.Remaining = MultipartCommitPutObjectDataCallbackData.Message.Length();
|
|
|
|
S3MultipartCommitHandler MultipartCommitHandler =
|
|
{ CreateResponseHandler(), &LibS3MultipartCommitPutObjectDataCallback, NULL };
|
|
|
|
S3_complete_multipart_upload(
|
|
&BucketContext, StrToS3(Key), &MultipartCommitHandler, MultipartUploadId.c_str(),
|
|
MultipartCommitPutObjectDataCallbackData.Remaining,
|
|
FRequestContext, FTimeout, &MultipartCommitPutObjectDataCallbackData);
|
|
|
|
CheckLibS3Error(MultipartCommitPutObjectDataCallbackData, true);
|
|
}
|
|
FILE_OPERATION_LOOP_END_EX(FMTLOAD(TRANSFER_ERROR, (Handle.FileName)), (folAllowSkip | folRetryOnFatal));
|
|
|
|
// to skip abort, in case we ever add any code before the catch, that can throw
|
|
MultipartUploadId = RawByteString();
|
|
}
|
|
}
|
|
catch (Exception & E)
|
|
{
|
|
if (!MultipartUploadId.IsEmpty())
|
|
{
|
|
FTerminal->LogEvent(FORMAT(L"Aborting multipart upload (%s - %d parts)", (UnicodeString(MultipartUploadId), Parts)));
|
|
|
|
try
|
|
{
|
|
TLibS3CallbackData Data;
|
|
RequestInit(Data);
|
|
|
|
S3AbortMultipartUploadHandler AbortMultipartUploadHandler = { CreateResponseHandler() };
|
|
|
|
S3_abort_multipart_upload(
|
|
&BucketContext, StrToS3(Key), MultipartUploadId.c_str(),
|
|
FTimeout, &AbortMultipartUploadHandler, FRequestContext, &Data);
|
|
}
|
|
catch (...)
|
|
{
|
|
// swallow
|
|
}
|
|
}
|
|
|
|
throw;
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::CopyToLocal(
|
|
TStrings * FilesToCopy, const UnicodeString TargetDir, const TCopyParamType * CopyParam,
|
|
int Params, TFileOperationProgressType * OperationProgress, TOnceDoneOperation & OnceDoneOperation)
|
|
{
|
|
Params &= ~cpAppend;
|
|
|
|
FTerminal->DoCopyToLocal(FilesToCopy, TargetDir, CopyParam, Params, OperationProgress, tfNone, OnceDoneOperation);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
struct TLibS3GetObjectDataCallbackData : TLibS3TransferObjectDataCallbackData
|
|
{
|
|
};
|
|
//---------------------------------------------------------------------------
|
|
S3Status TS3FileSystem::LibS3GetObjectDataCallback(int BufferSize, const char * Buffer, void * CallbackData)
|
|
{
|
|
TLibS3GetObjectDataCallbackData & Data = *static_cast<TLibS3GetObjectDataCallbackData *>(CallbackData);
|
|
|
|
return Data.FileSystem->GetObjectData(BufferSize, Buffer, Data);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
S3Status TS3FileSystem::GetObjectData(int BufferSize, const char * Buffer, TLibS3GetObjectDataCallbackData & Data)
|
|
{
|
|
S3Status Result = S3StatusOK;
|
|
|
|
if (ShouldCancelTransfer(Data))
|
|
{
|
|
Result = S3StatusAbortedByCallback;
|
|
}
|
|
else
|
|
{
|
|
TFileOperationProgressType * OperationProgress = Data.OperationProgress;
|
|
try
|
|
{
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
Data.Stream->Write(Buffer, BufferSize);
|
|
}
|
|
FILE_OPERATION_LOOP_END(FMTLOAD(WRITE_ERROR, (Data.FileName)));
|
|
|
|
OperationProgress->AddTransferred(BufferSize);
|
|
}
|
|
catch (Exception & E)
|
|
{
|
|
Data.Exception.reset(CloneException(&E));
|
|
Result = S3StatusAbortedByCallback;
|
|
}
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::Sink(
|
|
const UnicodeString & FileName, const TRemoteFile * File,
|
|
const UnicodeString & TargetDir, UnicodeString & DestFileName, int Attrs,
|
|
const TCopyParamType * CopyParam, int Params, TFileOperationProgressType * OperationProgress,
|
|
unsigned int /*Flags*/, TDownloadSessionAction & Action)
|
|
{
|
|
UnicodeString DestFullName = TargetDir + DestFileName;
|
|
if (FileExists(ApiPath(DestFullName)))
|
|
{
|
|
__int64 Size;
|
|
__int64 MTime;
|
|
FTerminal->OpenLocalFile(DestFullName, GENERIC_READ, NULL, NULL, NULL, &MTime, NULL, &Size);
|
|
TOverwriteFileParams FileParams;
|
|
|
|
FileParams.SourceSize = File->Size;
|
|
FileParams.SourceTimestamp = File->Modification; // noop
|
|
FileParams.DestSize = Size;
|
|
FileParams.DestTimestamp = UnixToDateTime(MTime, FTerminal->SessionData->DSTMode);
|
|
|
|
ConfirmOverwrite(FileName, DestFileName, OperationProgress, &FileParams, CopyParam, Params);
|
|
}
|
|
|
|
UnicodeString BucketName, Key;
|
|
ParsePath(FileName, BucketName, Key);
|
|
|
|
TLibS3BucketContext BucketContext = GetBucketContext(BucketName);
|
|
|
|
UnicodeString ExpandedDestFullName = ExpandUNCFileName(DestFullName);
|
|
Action.Destination(ExpandedDestFullName);
|
|
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
HANDLE LocalHandle;
|
|
if (!FTerminal->CreateLocalFile(DestFullName, OperationProgress, &LocalHandle, FLAGSET(Params, cpNoConfirmation)))
|
|
{
|
|
throw ESkipFile();
|
|
}
|
|
|
|
std::unique_ptr<TStream> Stream(new TSafeHandleStream(reinterpret_cast<THandle>(LocalHandle)));
|
|
|
|
bool DeleteLocalFile = true;
|
|
|
|
try
|
|
{
|
|
TLibS3GetObjectDataCallbackData Data;
|
|
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
RequestInit(Data);
|
|
Data.FileName = FileName;
|
|
Data.Stream = Stream.get();
|
|
Data.OperationProgress = OperationProgress;
|
|
Data.Exception.reset(NULL);
|
|
|
|
TAutoFlag ResponseIgnoreSwitch(FResponseIgnore);
|
|
S3GetObjectHandler GetObjectHandler = { CreateResponseHandler(), LibS3GetObjectDataCallback };
|
|
S3_get_object(
|
|
&BucketContext, StrToS3(Key), NULL, Stream->Position, 0, FRequestContext, FTimeout, &GetObjectHandler, &Data);
|
|
|
|
// The "exception" was already seen by the user, its presence mean an accepted abort of the operation.
|
|
if (Data.Exception.get() == NULL)
|
|
{
|
|
CheckLibS3Error(Data, true);
|
|
}
|
|
}
|
|
FILE_OPERATION_LOOP_END_EX(FMTLOAD(TRANSFER_ERROR, (FileName)), (folAllowSkip | folRetryOnFatal));
|
|
|
|
if (Data.Exception.get() != NULL)
|
|
{
|
|
RethrowException(Data.Exception.get());
|
|
}
|
|
|
|
DeleteLocalFile = false;
|
|
|
|
if (CopyParam->PreserveTime)
|
|
{
|
|
FTerminal->UpdateTargetTime(LocalHandle, File->Modification, FTerminal->SessionData->DSTMode);
|
|
}
|
|
}
|
|
__finally
|
|
{
|
|
CloseHandle(LocalHandle);
|
|
|
|
if (DeleteLocalFile)
|
|
{
|
|
FILE_OPERATION_LOOP_BEGIN
|
|
{
|
|
THROWOSIFFALSE(Sysutils::DeleteFile(ApiPath(DestFullName)));
|
|
}
|
|
FILE_OPERATION_LOOP_END(FMTLOAD(DELETE_LOCAL_FILE_ERROR, (DestFullName)));
|
|
}
|
|
}
|
|
}
|
|
FILE_OPERATION_LOOP_END(FMTLOAD(TRANSFER_ERROR, (FileName)));
|
|
|
|
FTerminal->UpdateTargetAttrs(DestFullName, File, CopyParam, Attrs);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::GetSupportedChecksumAlgs(TStrings * /*Algs*/)
|
|
{
|
|
// NOOP
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::LockFile(const UnicodeString & /*FileName*/, const TRemoteFile * /*File*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::UnlockFile(const UnicodeString & /*FileName*/, const TRemoteFile * /*File*/)
|
|
{
|
|
DebugFail();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::UpdateFromMain(TCustomFileSystem * /*AMainFileSystem*/)
|
|
{
|
|
// noop
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void __fastcall TS3FileSystem::ClearCaches()
|
|
{
|
|
FRegions.clear();
|
|
FHostNames.clear();
|
|
}
|
|
//------------------------------------------------------------------------------
|