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// BaseFuseFileCopyHandler.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
using System;
using System.IO;
using mun = Mono.Unix.Native;
using MonoDevelop.Core;
using MonoDevelop.Core.ProgressMonitoring;
namespace MonoDevelop.Deployment.Targets
{
public abstract class BaseFuseFileCopyHandler : LocalFileCopyHandler
{
public override string Name {
get { throw new NotImplementedException ("Inheriting classes must override this."); }
}
public override string Id {
get { throw new NotImplementedException ("Inheriting classes must override this."); }
}
public override void CopyFiles (IProgressMonitor monitor, IFileReplacePolicy replacePolicy, FileCopyConfiguration copyConfig, DeployFileCollection deployFiles, DeployContext context)
{
DirectoryInfo tempDir = null;
try {
tempDir = CreateTempDir ();
} catch (Exception e) {
monitor.ReportError (GettextCatalog.GetString ("Could not create temporary directory."), e);
return;
}
try {
MountTempDirectory (monitor, copyConfig, tempDir.FullName);
} catch (Exception e) {
monitor.ReportError (GettextCatalog.GetString ("Could not mount FUSE filesystem."), e);
RemoveTempDirIfEmpty (tempDir);
return;
}
try {
base.InternalCopyFiles (monitor, replacePolicy, copyConfig, deployFiles, context, tempDir.FullName);
} finally {
//unmount the filesystem
try {
string escapedDir = tempDir.FullName.Replace ("\"", "\\\"");
string cmd, args;
if (Platform.IsMac) {
cmd = "umount";
args = string.Format ("\"{0}\"", escapedDir);
} else {
cmd = "fusermount";
args = string.Format ("-u \"{0}\"", escapedDir);
}
RunFuseCommand (monitor, cmd, args);
} catch (Exception e) {
LoggingService.LogError (GettextCatalog.GetString ("Could not unmount FUSE filesystem."), e);
monitor.ReportError (GettextCatalog.GetString ("Could not unmount FUSE filesystem."), e);
}
RemoveTempDirIfEmpty (tempDir);
}
}
void RemoveTempDirIfEmpty (DirectoryInfo tempDir)
{
FileSystemInfo[] infos = tempDir.GetFileSystemInfos ();
if (infos != null && infos.Length == 0)
tempDir.Delete ();
}
public abstract void MountTempDirectory (IProgressMonitor monitor, FileCopyConfiguration copyConfig, string tempPath);
protected void RunFuseCommand (IProgressMonitor monitor, string command, string args)
{
LoggingService.LogInfo ("Running FUSE command: {0} {1}", command, args);
var log = new StringWriter ();
var psi = new System.Diagnostics.ProcessStartInfo (command, args) {
RedirectStandardError = true,
RedirectStandardOutput = true,
UseShellExecute = false,
};
using (var opMon = new AggregatedOperationMonitor (monitor)) {
using (var pWrapper = MonoDevelop.Core.Runtime.ProcessService.StartProcess (psi, log, log, null)) {
opMon.AddOperation (pWrapper);
pWrapper.WaitForOutput ();
if (pWrapper.ExitCode != 0)
throw new Exception (log.ToString ());
}
}
}
static string ConstructTempDirName ()
{
return System.IO.Path.Combine (System.IO.Path.GetTempPath (), "md-deploy-" + Environment.UserName + DateTime.Now.Ticks);
}
DirectoryInfo CreateTempDir ()
{
string tempPath = ConstructTempDirName ();
if (Directory.Exists (tempPath) || File.Exists (tempPath)) {
tempPath = ConstructTempDirName ();
if (Directory.Exists (tempPath) || File.Exists (tempPath))
throw new Exception ("Temp directory " + ConstructTempDirName () + " already exists");
}
DirectoryInfo dInfo = Directory.CreateDirectory (tempPath);
if (dInfo == null || !dInfo.Exists)
throw new Exception ("Directory could not be created.");
//make read/write-able by owner only, for security
//System.Security.AccessControl.DirectorySecurity not supported on Mono, so use Mono.Posix
int err = mun.Syscall.chmod (tempPath, mun.FilePermissions.S_IRUSR | mun.FilePermissions.S_IWUSR | mun.FilePermissions.S_IXUSR);
if (err != 0)
throw new Exception (string.Format ("Could not change access rights for temporary directory: error code {0}.", ((mun.Errno) err).ToString ()));
return dInfo;
}
public override FileCopyConfiguration CreateConfiguration ()
{
throw new NotImplementedException ("Inheriting classes must override this.");
}
}
}
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