public void LoadLibrary(PortableLibrary portableLibrary, Stream sourceStream, int length)
{
var path = GetLibraryPath(portableLibrary);
using (var fileStream = new FileStream(path, FileMode.CreateNew, FileAccess.Write))
sourceStream.CopyToEx(fileStream, length); //explicit really important, else the FW version of CopyTo will be used -> f*****g error in 1.8
LoadLibrary(path, portableLibrary);
}
public MainPage()
{
InitializeComponent();
HttpWebRequest.RegisterPrefix("http://", new Handler());
HttpWebRequest.RegisterPrefix("https://", new Handler());
PortableLibrary.populateDataAsync(item => this.tree.Items.Add(item));
}
private static string GetLibraryPath(PortableLibrary library)
{
var libraryName = GetFilenameByLibrary(library);
var libraryDirectory = new DirectoryInfo(Consts.LibrariesDirectory);
if (!libraryDirectory.Exists)
{
libraryDirectory.Create();
return(Path.Combine(libraryDirectory.FullName, libraryName));
}
var libraryNameWithoutExtension = Path.GetFileNameWithoutExtension(libraryName);
var regex = new Regex("^" + libraryNameWithoutExtension + "(_(?<number>([0-9]{1,2})))?\\.dll");
var existingLibraries =
libraryDirectory.GetFiles(libraryNameWithoutExtension + "*.dll", SearchOption.TopDirectoryOnly)
.Select(x => new PortableLibraryMatch(regex.Match(x.Name), x)).ToList();
if (existingLibraries.Count > 0)
{
//remove unused libraries
for (int j = existingLibraries.Count - 1; j >= 0; j--)
{
try
{
existingLibraries[j].FileInfo.Delete();
existingLibraries.RemoveAt(j);
}
catch (Exception)
{
// ignored
}
}
var rootFile = new FileInfo(Path.Combine(Consts.LibrariesDirectory, libraryName));
if (!rootFile.Exists)
{
return(rootFile.FullName);
}
else
{
var highestNumber =
existingLibraries.Where(x => !string.IsNullOrEmpty(x.Match.Groups["number"].Value))
.Select(x => int.Parse(x.Match.Groups["number"].Value))
.OrderByDescending(x => x)
.First();
highestNumber++;
return(Path.Combine(Consts.LibrariesDirectory, libraryNameWithoutExtension + "_" + highestNumber + ".dll"));
}
}
return(Path.Combine(Consts.LibrariesDirectory, libraryName));
}
public SampleDataSource()
{
int i = 0;
PortableLibrary.populateDataAsync(item =>
{
var group = new SampleDataGroup(i++.ToString(), item.Title, item.SubTitle, null, item.Description);
foreach (var subItem in item.SubItems)
{
group.Items.Add(new SampleDataItem(i++.ToString(), subItem.Title, subItem.SubTitle, null, subItem.Description, subItem.Content, group));
}
AllGroups.Add(group);
});
}
public async Task SendCommand(Command command, byte[] data,
PackageCompression packageCompression = PackageCompression.Auto)
{
if (command.Identifier > 1000)
{
if (!await PreparePlugin(command.Identifier))
{
return;
}
}
var commandSettings = _commander.GetCommandSettings(command);
if (commandSettings.Libraries.Count > 0)
{
PortableLibrary libraries = commandSettings.Libraries[0];
for (int i = 1; i < commandSettings.Libraries.Count; i++)
{
libraries |= commandSettings.Libraries[i];
}
if (!await LoadLibraries(libraries))
{
return;
}
}
Sender.UnsafeSendCommand(ClientInformation.Id, command.Identifier, new WriterCall(data));
PackageSent?.Invoke(this, new PackageInformation
{
IsReceived = false,
Size = data.Length + 9,
Timestamp = DateTime.Now,
Description = "SendCommand " + Commander.GetCommandDescription(command, data, false)
});
}
/// <summary>
/// Initialize a new instance of <see cref="ProvideLibraryAttribute" />
/// </summary>
/// <param name="library">The library to transmit</param>
public ProvideLibraryAttribute(PortableLibrary library)
{
Library = library;
}
private async Task <bool> LoadLibraries(PortableLibrary libraries)
{
libraries = libraries & ~_loadedLibraries;
var sendingService = (Sender)Sender;
var libraryInfos =
EnumUtilities.GetUniqueFlags <PortableLibrary>(libraries)
.Where(x => x != 0)
.Select(x =>
{
var filename = GetFilenameByLibrary(x);
return(new LocalLibraryInfo(x)
{
Path = File.Exists(filename) ? filename : Path.Combine(LibrariesPath, filename)
});
}).ToList();
if (libraryInfos.Count == 0)
{
return(true);
}
using (var md5 = new MD5CryptoServiceProvider())
foreach (var libraryInfo in libraryInfos)
{
using (
var fileStream = new FileStream(libraryInfo.Path, FileMode.Open,
FileAccess.Read)
)
libraryInfo.Hash = md5.ComputeHash(fileStream);
}
using (var autoResetEvent = new AutoResetEvent(false))
{
var neededLibraries = PortableLibrary.None;
EventHandler <LibraryInformationEventArgs> libraryInformationReceiedHandler = (sender, args) =>
{
if (args.ClientId == ClientInformation.Id)
{
neededLibraries = args.Libraries;
autoResetEvent.Set();
}
};
_connectionManager.LibraryInformationReceived += libraryInformationReceiedHandler;
sendingService.OpenClientRedirect(ClientInformation.Id, ClientRedirectOptions.IncludeAdministrationId,
FromAdministrationPackage.RequestLibraryInformation, 4 + 16 * libraryInfos.Count,
writer =>
{
writer.Write(BitConverter.GetBytes((int)libraries));
foreach (var libraryHash in libraryInfos)
{
writer.Write(libraryHash.Hash);
}
});
PackageSent?.Invoke(this, new PackageInformation
{
Description = $"ConnectionInfo CheckLibraries ({libraries})",
IsReceived = false,
Size = 4 + 16 * libraryInfos.Count + 14,
Timestamp = DateTime.Now
});
try
{
if (!await Task.Run(() => autoResetEvent.WaitOne(20000)))
{
return(false);
}
}
finally
{
_connectionManager.LibraryInformationReceived -= libraryInformationReceiedHandler;
}
if (neededLibraries == PortableLibrary.None)
{
_loadedLibraries |= neededLibraries;
return(true);
}
autoResetEvent.Reset();
var librariesToSend = libraryInfos.Where(x => (neededLibraries & x.Library) == x.Library).ToList();
await _connectionManager.SendLibraries(librariesToSend, ClientInformation.Id);
var loadedLibraries = PortableLibrary.None;
EventHandler <LibraryInformationEventArgs> libraryLoadingResultHandler = (sender, args) =>
{
if (args.ClientId == ClientInformation.Id)
{
loadedLibraries = args.Libraries;
autoResetEvent.Set();
}
};
_connectionManager.LibraryLoadingResultReceived += libraryLoadingResultHandler;
try
{
if (!await Task.Run(() => autoResetEvent.WaitOne(20000)))
{
return(false);
}
}
finally
{
_connectionManager.LibraryLoadingResultReceived -= libraryLoadingResultHandler;
}
_loadedLibraries |= loadedLibraries;
return(loadedLibraries == neededLibraries);
}
}
private static string GetFilenameByLibrary(PortableLibrary library)
{
return(library.GetAttributeOfType <PortableLibraryNameAttribute>()?.Name);
}
public MainPage()
{
InitializeComponent();
PortableLibrary.populateDataAsync(item => this.listBox.Items.Add(item));
}
public LocalLibraryInfo(PortableLibrary library)
{
Library = library;
}
public LibraryInformationEventArgs(int clientId, PortableLibrary libraries)
{
ClientId = clientId;
Libraries = libraries;
}
private void LoadLibrary(string path, PortableLibrary library)
{
LoadedLibraries |= library;
Assembly.LoadFile(path);
}
public PortableLibrary CheckLibraries(PortableLibrary libraries, List <byte[]> hashes)
{
var libraryDirectory = new DirectoryInfo(Consts.LibrariesDirectory);
if (!libraryDirectory.Exists)
{
return(libraries);
}
var missingLibraries = PortableLibrary.None;
var libraryList = libraries.GetUniqueFlags <PortableLibrary>().Where(x => x != 0).ToList();
var regex = new Regex("^(?<name>(.+?))(_(?<number>([0-9]{1,2})))?\\.dll");
var regexMatches =
libraryDirectory.GetFiles("*.dll", SearchOption.TopDirectoryOnly)
.Select(x => new PortableLibraryMatch(regex.Match(x.Name), x)).ToList();
using (var md5 = new MD5CryptoServiceProvider())
for (int i = 0; i < libraryList.Count; i++)
{
var library = libraryList[i];
var libraryName = GetFilenameByLibrary(library);
var existingLibraries = regexMatches.Where(x => x.Match.Groups["name"].Value + ".dll" == libraryName).ToList();
if (existingLibraries.Count > 0)
{
string libraryPath;
//that might be the root library
if (existingLibraries.Count == 1)
{
libraryPath = existingLibraries[0].FileInfo.FullName;
}
else
{
//search in the numbered libraries the latest (= highest number)
libraryPath =
existingLibraries.Where(x => !string.IsNullOrEmpty(x.Match.Groups["number"].Value))
.OrderByDescending(x => int.Parse(x.Match.Groups["number"].Value))
.First()
.FileInfo.FullName;
}
using (var fileStream = new FileStream(libraryPath, FileMode.Open, FileAccess.Read))
{
var hash = md5.ComputeHash(fileStream);
if (hash.SequenceEqual(hashes[i]))
{
try
{
LoadLibrary(libraryPath, library);
continue; //exists
}
catch (Exception)
{
// ignored
}
}
}
}
missingLibraries |= libraryList[i];
}
return(missingLibraries);
}
