private static void RaiseIOAccessPreEvent(IOConnectionInfo ioc,
IOConnectionInfo ioc2, IOAccessType t)
{
if (ioc == null)
{
Debug.Assert(false); return;
}
// ioc2 may be null
if (IOConnection.IOAccessPre != null)
{
IOConnectionInfo ioc2Lcl = ((ioc2 != null) ? ioc2.CloneDeep() : null);
IOAccessEventArgs e = new IOAccessEventArgs(ioc.CloneDeep(), ioc2Lcl, t);
IOConnection.IOAccessPre(null, e);
}
}
public FileLock(IOConnectionInfo iocBaseFile)
{
if (iocBaseFile == null)
{
throw new ArgumentNullException("strBaseFile");
}
m_iocLockFile = iocBaseFile.CloneDeep();
m_iocLockFile.Path += LockFileExt;
LockFileInfo lfiEx = LockFileInfo.Load(m_iocLockFile);
if (lfiEx != null)
{
m_iocLockFile = null; // Otherwise Dispose deletes the existing one
throw new FileLockException(iocBaseFile.GetDisplayName(),
lfiEx.GetOwner());
}
LockFileInfo.Create(m_iocLockFile);
}
public FileTransactionEx(IOConnectionInfo iocBaseFile, bool bTransacted)
{
if (iocBaseFile == null)
{
throw new ArgumentNullException("iocBaseFile");
}
m_bTransacted = bTransacted;
m_iocBase = iocBaseFile.CloneDeep();
if (m_iocBase.IsLocalFile())
{
m_iocBase.Path = UrlUtil.GetShortestAbsolutePath(m_iocBase.Path);
}
string strPath = m_iocBase.Path;
#if !ModernKeePassLib
if (m_iocBase.IsLocalFile())
{
try
{
if (File.Exists(strPath))
{
// Symbolic links are realized via reparse points;
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa365503.aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa365680.aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa365006.aspx
// Performing a file transaction on a symbolic link
// would delete/replace the symbolic link instead of
// writing to its target
FileAttributes fa = File.GetAttributes(strPath);
if ((long)(fa & FileAttributes.ReparsePoint) != 0)
{
m_bTransacted = false;
}
}
else
{
// If the base and the temporary file are in different
// folders and the base file doesn't exist (i.e. we can't
// backup the ACL), a transaction would cause the new file
// to have the default ACL of the temporary folder instead
// of the one of the base folder; therefore, we don't use
// a transaction when the base file doesn't exist (this
// also results in other applications monitoring the folder
// to see one file creation only)
m_bTransacted = false;
}
}
catch (Exception) { Debug.Assert(false); }
}
#endif
#if !ModernKeePassLib
// Prevent transactions for FTP URLs under .NET 4.0 in order to
// avoid/workaround .NET bug 621450:
// https://connect.microsoft.com/VisualStudio/feedback/details/621450/problem-renaming-file-on-ftp-server-using-ftpwebrequest-in-net-framework-4-0-vs2010-only
if (strPath.StartsWith("ftp:", StrUtil.CaseIgnoreCmp) &&
(Environment.Version.Major >= 4) && !NativeLib.IsUnix())
{
m_bTransacted = false;
}
#endif
foreach (KeyValuePair <string, bool> kvp in g_dEnabled)
{
if (strPath.StartsWith(kvp.Key, StrUtil.CaseIgnoreCmp))
{
m_bTransacted = kvp.Value;
break;
}
}
if (m_bTransacted)
{
m_iocTemp = m_iocBase.CloneDeep();
m_iocTemp.Path += StrTempSuffix;
TxfPrepare(); // Adjusts m_iocTemp
}
else
{
m_iocTemp = m_iocBase;
}
}
internal static void ConfigureWebRequest(WebRequest request,
IOConnectionInfo ioc)
{
if (request == null)
{
Debug.Assert(false); return;
} // No throw
IocProperties p = ((ioc != null) ? ioc.Properties : null);
if (p == null)
{
Debug.Assert(false); p = new IocProperties();
}
IHasIocProperties ihpReq = (request as IHasIocProperties);
if (ihpReq != null)
{
IocProperties pEx = ihpReq.IOConnectionProperties;
if (pEx != null)
{
p.CopyTo(pEx);
}
else
{
ihpReq.IOConnectionProperties = p.CloneDeep();
}
}
if (IsHttpWebRequest(request))
{
// WebDAV support
#if !KeePassUAP
request.PreAuthenticate = true; // Also auth GET
#endif
if (string.Equals(request.Method, WebRequestMethods.Http.Post,
StrUtil.CaseIgnoreCmp))
{
request.Method = WebRequestMethods.Http.Put;
}
#if !KeePassUAP
HttpWebRequest hwr = (request as HttpWebRequest);
if (hwr != null)
{
string strUA = p.Get(IocKnownProperties.UserAgent);
if (!string.IsNullOrEmpty(strUA))
{
hwr.UserAgent = strUA;
}
}
else
{
Debug.Assert(false);
}
#endif
}
#if !KeePassUAP
else if (IsFtpWebRequest(request))
{
FtpWebRequest fwr = (request as FtpWebRequest);
if (fwr != null)
{
bool?obPassive = p.GetBool(IocKnownProperties.Passive);
if (obPassive.HasValue)
{
fwr.UsePassive = obPassive.Value;
}
}
else
{
Debug.Assert(false);
}
}
#endif
#if !KeePassUAP
// Not implemented and ignored in Mono < 2.10
try
{
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
}
catch (NotImplementedException) { }
catch (Exception) { Debug.Assert(false); }
#endif
try
{
IWebProxy prx;
if (GetWebProxy(out prx))
{
request.Proxy = prx;
}
}
catch (Exception) { Debug.Assert(false); }
#if !KeePassUAP
long?olTimeout = p.GetLong(IocKnownProperties.Timeout);
if (olTimeout.HasValue && (olTimeout.Value >= 0))
{
request.Timeout = (int)Math.Min(olTimeout.Value, (long)int.MaxValue);
}
bool?ob = p.GetBool(IocKnownProperties.PreAuth);
if (ob.HasValue)
{
request.PreAuthenticate = ob.Value;
}
#endif
if (IOConnection.IOWebRequestPre != null)
{
IOWebRequestEventArgs e = new IOWebRequestEventArgs(request,
((ioc != null) ? ioc.CloneDeep() : null));
IOConnection.IOWebRequestPre(null, e);
}
}