/// <summary>
/// Download data from remote via uri query.
/// </summary>
/// <param name="fileName">A file to store the downloaded data.</param>
/// <param name="query">Uri query</param>
/// <param name="request">An object passed in from the PackageManagement platform that contains APIs that can be used to interact with it </param>
/// <param name="networkCredential">Credential to pass along to get httpclient</param>
/// <param name="progressTracker">Utility class to help track progress</param>
/// <returns></returns>
internal static async Task <long> DownloadDataToFileAsync(string fileName, string query, PackageSourceListRequest request, NetworkCredential networkCredential, ProgressTracker progressTracker)
{
request.Verbose(Resources.Messages.DownloadingPackage, query);
// try downloading for 3 times
int remainingTry = 3;
long totalDownloaded = 0;
CancellationTokenSource cts;
Stream input = null;
FileStream output = null;
while (remainingTry > 0)
{
// if user cancel the request, no need to do anything
if (request.IsCanceled)
{
break;
}
input = null;
output = null;
cts = new CancellationTokenSource();
totalDownloaded = 0;
try
{
// decrease try by 1
remainingTry -= 1;
var httpClient = request.Client;
httpClient.DefaultRequestHeaders.TryAddWithoutValidation("User-Agent", "text/html; charset=iso-8859-1");
input = await httpClient.GetStreamAsync(query);
// buffer size of 64 KB, this seems to be preferable buffer size, not too small and not too big
byte[] bytes = new byte[1024 * 64];
output = File.Open(fileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read);
int current = 0;
// here we read content that we got from the http response stream into the bytes array
current = await input.ReadAsync(bytes, 0, bytes.Length, cts.Token);
int progressPercentage = progressTracker.StartPercent;
// report initial progress
request.Progress(progressTracker.ProgressID, progressPercentage, Resources.Messages.BytesRead, current);
int i = progressTracker.StartPercent;
while (current > 0)
{
totalDownloaded += current;
// here we write out the bytes array into the file
await output.WriteAsync(bytes, 0, current, cts.Token);
// report the progress
request.Progress(progressTracker.ProgressID, progressPercentage < progressTracker.EndPercent?progressPercentage++:progressTracker.EndPercent, Resources.Messages.BytesRead, totalDownloaded);
// continue reading from the stream
current = await input.ReadAsync(bytes, 0, bytes.Length, cts.Token);
}
if (totalDownloaded > 0)
{
// report that we finished the download
request.Progress(progressTracker.ProgressID, progressTracker.EndPercent, Resources.Messages.BytesRead, totalDownloaded);
request.CompleteProgress(progressTracker.ProgressID, true);
return(totalDownloaded);
}
// if request is canceled, don't retry
if (request.IsCanceled)
{
return(0);
}
}
catch (Exception ex)
{
request.CompleteProgress(progressTracker.ProgressID, true);
request.Verbose(ex.Message);
request.Debug(ex.StackTrace);
}
finally
{
// dispose input and output stream
if (input != null)
{
input.Dispose();
}
// dispose it
if (output != null)
{
output.Dispose();
}
// delete the file if created and nothing has downloaded
if (totalDownloaded == 0 && File.Exists(fileName))
{
fileName.TryHardToDelete();
}
if (cts != null)
{
cts.Dispose();
}
}
// we have to retry again
request.Verbose(Resources.Messages.RetryingDownload, query, remainingTry);
}
return(totalDownloaded);
}
internal static bool InstallExePackage(PackageJson package, string fastPath, PackageSourceListRequest request)
{
ProgressTracker tracker = new ProgressTracker(request.StartProgress(0, Resources.Messages.Installing));
var providerType = package.Type.ToLowerInvariant();
var exePackage = Path.ChangeExtension(Path.GetTempFileName(), providerType);
if (!string.IsNullOrWhiteSpace(package.Destination))
{
request.Verbose(Resources.Messages.DestinationNotSupported, package.Type);
}
try {
WebDownloader.DownloadFile(package.Source, exePackage, request, tracker);
if (File.Exists(exePackage))
{
request.Verbose("Package: '{0}'", exePackage);
// validate the file
if (!WebDownloader.VerifyHash(exePackage, package, request))
{
return(false);
}
if (!request.ShouldContinueWithUntrustedPackageSource(package.Name, package.Source))
{
request.Warning(Constants.Messages.UserDeclinedUntrustedPackageInstall, package.Name);
return(false);
}
// Prepare the process to run
var processArguments = string.IsNullOrWhiteSpace(package.InstallArguments)
? "/VERYSILENT /CLOSEAPPLICATIONS /NORESTART /NOCANCEL /SP /qn"
: package.InstallArguments;
var start = new ProcessStartInfo {
FileName = exePackage,
Arguments = processArguments,
UseShellExecute = false,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true,
//LoadUserProfile = true,
};
double percent = tracker.StartPercent;
Timer timer = null;
object timerLock = new object();
bool cleanUp = false;
Action cleanUpAction = () => {
lock (timerLock) {
// check whether clean up is already done before or not
if (!cleanUp)
{
try {
if (timer != null)
{
// stop timer
timer.Change(Timeout.Infinite, Timeout.Infinite);
// dispose it
timer.Dispose();
}
} catch {
}
cleanUp = true;
}
}
};
// Run the external process & wait for it to finish
using (var proc = Process.Start(start)) {
var timer1 = timer;
timer = new Timer(_ => {
percent += 0.025;
// percent between startProgress and endProgress
var progressPercent = tracker.ConvertPercentToProgress(percent);
if (progressPercent < 90)
{
request.Progress(tracker.ProgressID, (int)progressPercent, Resources.Messages.InstallingPackage, package.Source);
}
if (request.IsCanceled)
{
cleanUpAction();
}
}, null, 100, 3000);
proc.WaitForExit();
// Retrieve the app's exit code
var exitCode = proc.ExitCode;
if (exitCode != 0)
{
request.WriteError(ErrorCategory.InvalidOperation, fastPath, Resources.Messages.InstallFailed, package.Name, proc.StandardError.ReadToEnd());
request.CompleteProgress(tracker.ProgressID, false);
return(false);
}
else
{
request.CompleteProgress(tracker.ProgressID, true);
request.YieldFromSwidtag(package, fastPath);
request.Verbose(Resources.Messages.SuccessfullyInstalled, package.Name);
}
cleanUpAction();
}
return(true);
}
else
{
request.WriteError(ErrorCategory.InvalidOperation, Constants.ProviderName, Resources.Messages.FailedToDownload, Constants.ProviderName, package.Source);
}
return(false);
} catch (Exception ex) {
request.Error(ErrorCategory.InvalidOperation, "install-package", ex.Message);
ex.Dump(request);
return(false);
}
finally
{
if (File.Exists(exePackage))
{
exePackage.TryHardToDelete();
}
}
}
/// <summary>
/// Download data from remote via uri query.
/// </summary>
/// <param name="fileName">A file to store the downloaded data.</param>
/// <param name="query">Uri query</param>
/// <param name="request">An object passed in from the PackageManagement platform that contains APIs that can be used to interact with it </param>
/// <param name="networkCredential">Credential to pass along to get httpclient</param>
/// <param name="progressTracker">Utility class to help track progress</param>
/// <returns></returns>
internal static async Task<long> DownloadDataToFileAsync(string fileName, string query, PackageSourceListRequest request, NetworkCredential networkCredential, ProgressTracker progressTracker)
{
request.Verbose(Resources.Messages.DownloadingPackage, query);
// try downloading for 3 times
int remainingTry = 3;
long totalDownloaded = 0;
CancellationTokenSource cts;
Stream input = null;
FileStream output = null;
while (remainingTry > 0)
{
// if user cancel the request, no need to do anything
if (request.IsCanceled)
{
break;
}
input = null;
output = null;
cts = new CancellationTokenSource();
totalDownloaded = 0;
try
{
// decrease try by 1
remainingTry -= 1;
var httpClient = request.Client;
httpClient.DefaultRequestHeaders.TryAddWithoutValidation("User-Agent", "text/html; charset=iso-8859-1");
input = await httpClient.GetStreamAsync(query);
// buffer size of 64 KB, this seems to be preferable buffer size, not too small and not too big
byte[] bytes = new byte[1024 * 64];
output = File.Open(fileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read);
int current = 0;
// here we read content that we got from the http response stream into the bytes array
current = await input.ReadAsync(bytes, 0, bytes.Length, cts.Token);
int progressPercentage = progressTracker.StartPercent;
// report initial progress
request.Progress(progressTracker.ProgressID, progressPercentage, Resources.Messages.BytesRead, current);
int i = progressTracker.StartPercent;
while (current > 0)
{
totalDownloaded += current;
// here we write out the bytes array into the file
await output.WriteAsync(bytes, 0, current, cts.Token);
// report the progress
request.Progress(progressTracker.ProgressID, progressPercentage<progressTracker.EndPercent?progressPercentage++:progressTracker.EndPercent, Resources.Messages.BytesRead, totalDownloaded);
// continue reading from the stream
current = await input.ReadAsync(bytes, 0, bytes.Length, cts.Token);
}
if (totalDownloaded > 0)
{
// report that we finished the download
request.Progress(progressTracker.ProgressID, progressTracker.EndPercent, Resources.Messages.BytesRead, totalDownloaded);
request.CompleteProgress(progressTracker.ProgressID, true);
return totalDownloaded;
}
// if request is canceled, don't retry
if (request.IsCanceled)
{
return 0;
}
}
catch (Exception ex)
{
request.CompleteProgress(progressTracker.ProgressID, true);
request.Verbose(ex.Message);
request.Debug(ex.StackTrace);
}
finally
{
// dispose input and output stream
if (input != null)
{
input.Dispose();
}
// dispose it
if (output != null)
{
output.Dispose();
}
// delete the file if created and nothing has downloaded
if (totalDownloaded == 0 && File.Exists(fileName))
{
fileName.TryHardToDelete();
}
if (cts != null)
{
cts.Dispose();
}
}
// we have to retry again
request.Verbose(Resources.Messages.RetryingDownload, query, remainingTry);
}
return totalDownloaded;
}
internal static string DownloadFile(string queryUrl, string destination, PackageSourceListRequest request, ProgressTracker progressTracker)
{
try
{
request.Debug(Resources.Messages.DebugInfoCallMethod, Constants.ProviderName, string.Format(System.Globalization.CultureInfo.InvariantCulture, "DownloadFile - url='{0}', destination='{1}'", queryUrl, destination));
if (string.IsNullOrWhiteSpace(destination))
{
throw new ArgumentNullException("destination");
}
// make sure that the parent folder is created first.
var folder = Path.GetDirectoryName(destination);
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
if (File.Exists(destination))
{
destination.TryHardToDelete();
}
if (progressTracker == null)
{
progressTracker = new ProgressTracker(request.StartProgress(0, Resources.Messages.DownloadingPackage, queryUrl));
}
Uri uri;
if (!Uri.TryCreate(queryUrl, UriKind.Absolute, out uri))
{
request.Error(Internal.ErrorCategory.InvalidOperation, Resources.Messages.UnsupportedUriFormat, Constants.ProviderName, queryUrl);
return(null);
}
if (uri.IsFile)
{
// downloading from a file share
using (var input = File.OpenRead(queryUrl))
{
using (var output = new FileStream(destination, FileMode.Create, FileAccess.Write, FileShare.Read))
{
request.Progress(progressTracker.ProgressID, progressTracker.StartPercent, Resources.Messages.Downloading);
input.CopyTo(output);
}
}
request.CompleteProgress(progressTracker.ProgressID, true);
}
else
{
//Downloading from url
var result = DownloadDataToFileAsync(destination, queryUrl, request, PathUtility.GetNetworkCredential(request.CredentialUsername, request.CredentialPassword), progressTracker).Result;
}
if (File.Exists(destination))
{
request.Verbose(Resources.Messages.CompletedDownload, queryUrl);
return(destination);
}
else
{
request.Error(Internal.ErrorCategory.InvalidOperation, Resources.Messages.FailedToDownload, Constants.ProviderName, queryUrl, destination);
return(null);
}
}
catch (Exception ex)
{
ex.Dump(request);
request.Warning(ex.Message);
return(null);
}
}
internal static string DownloadFile(string queryUrl, string destination, PackageSourceListRequest request, ProgressTracker progressTracker)
{
try
{
request.Debug(Resources.Messages.DebugInfoCallMethod, Constants.ProviderName, string.Format(System.Globalization.CultureInfo.InvariantCulture, "DownloadFile - url='{0}', destination='{1}'", queryUrl, destination));
if (string.IsNullOrWhiteSpace(destination))
{
throw new ArgumentNullException("destination");
}
// make sure that the parent folder is created first.
var folder = Path.GetDirectoryName(destination);
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
if (File.Exists(destination))
{
destination.TryHardToDelete();
}
if (progressTracker == null)
{
progressTracker = new ProgressTracker(request.StartProgress(0, Resources.Messages.DownloadingPackage, queryUrl));
}
Uri uri;
if (!Uri.TryCreate(queryUrl, UriKind.Absolute, out uri))
{
request.Error(Internal.ErrorCategory.InvalidOperation, Resources.Messages.UnsupportedUriFormat, Constants.ProviderName, queryUrl);
return null;
}
if (uri.IsFile)
{
// downloading from a file share
using (var input = File.OpenRead(queryUrl))
{
using (var output = new FileStream(destination, FileMode.Create, FileAccess.Write, FileShare.Read))
{
request.Progress(progressTracker.ProgressID, progressTracker.StartPercent, Resources.Messages.Downloading);
input.CopyTo(output);
}
}
request.CompleteProgress(progressTracker.ProgressID, true);
}
else
{
//Downloading from url
var result = DownloadDataToFileAsync(destination, queryUrl, request, PathUtility.GetNetworkCredential(request.CredentialUsername, request.CredentialPassword), progressTracker).Result;
}
if (File.Exists(destination))
{
request.Verbose(Resources.Messages.CompletedDownload, queryUrl);
return destination;
}
else
{
request.Error(Internal.ErrorCategory.InvalidOperation, Resources.Messages.FailedToDownload, Constants.ProviderName, queryUrl, destination);
return null;
}
}
catch (Exception ex)
{
ex.Dump(request);
request.Warning(ex.Message);
return null;
}
}
internal static bool InstallZipPackage(PackageJson package, string fastPath, PackageSourceListRequest request)
{
if (request.RemoveFromPath.Value)
{
request.Warning(Resources.Messages.AddOrRemovePath, Constants.ProviderName, "RemoveFromPath", "Uninstall-Package");
}
// download the exe package
var providerType = package.Type.ToLowerInvariant();
var file = Path.ChangeExtension(Path.GetTempFileName(), providerType);
if (string.IsNullOrWhiteSpace(package.Destination))
{
request.Error(ErrorCategory.InvalidOperation, Constants.ProviderName, Resources.Messages.DestinationRequired);
return(false);
}
WebDownloader.DownloadFile(package.Source, file, request, null);
if (!File.Exists(file))
{
return(false);
}
// validate the file
if (!WebDownloader.VerifyHash(file, package, request))
{
file.TryHardToDelete();
return(false);
}
if (!request.ShouldContinueWithUntrustedPackageSource(package.Name, package.Source))
{
request.Warning(Constants.Messages.UserDeclinedUntrustedPackageInstall, package.Name);
file.TryHardToDelete();
return(false);
}
Timer timer = null;
object timerLock = new object();
bool cleanUp = false;
ProgressTracker tracker = new ProgressTracker(request.StartProgress(0, "Installing Zip Package............"));
double percent = tracker.StartPercent;
Action cleanUpAction = () => {
lock (timerLock)
{
// check whether clean up is already done before or not
if (!cleanUp)
{
try
{
if (timer != null)
{
// stop timer
timer.Change(Timeout.Infinite, Timeout.Infinite);
timer.Dispose();
timer = null;
}
}
catch
{
}
cleanUp = true;
}
}
};
// extracted folder
string extractedFolder = string.Concat(file.GenerateTemporaryFilename());
var versionFolder = "";
try
{
timer = new Timer(_ =>
{
percent += 0.025;
var progressPercent = tracker.ConvertPercentToProgress(percent);
if (progressPercent < 90)
{
request.Progress(tracker.ProgressID, (int)progressPercent, string.Format(CultureInfo.CurrentCulture, "Copying files ..."));
}
if (request.IsCanceled)
{
cleanUpAction();
}
}, null, 0, 1000);
//unzip the file
ZipFile.ExtractToDirectory(file, extractedFolder);
if (Directory.Exists(extractedFolder))
{
versionFolder = Path.Combine(package.Destination, package.Name, package.Version);
// create the directory version folder if not exist
if (!Directory.Exists(versionFolder))
{
Directory.CreateDirectory(versionFolder);
}
// The package will be installed to destination\packageName\version\
// However, a few packages have a package name as its top level folder after zip.
// So the installed folder will look like this:
// \destination\foobarPackage\1.0.1\foobarPackage
// In this case we directly copy the files to \destination\foobarPackage\1.0.1.
var extractedTopLevelFolder = Directory.EnumerateDirectories(extractedFolder, "*", SearchOption.TopDirectoryOnly);
while (!Directory.GetFiles(extractedFolder).Any() && extractedTopLevelFolder.Count() == 1)
{
extractedFolder = extractedTopLevelFolder.FirstOrDefault();
//in case the zip contains version folder
extractedTopLevelFolder = Directory.EnumerateDirectories(extractedFolder, "*", SearchOption.TopDirectoryOnly);
}
FileUtility.CopyDirectory(extractedFolder, versionFolder, true);
request.YieldFromSwidtag(package, fastPath);
request.Verbose(Resources.Messages.SuccessfullyInstalledToDestination, package.Name, package.Destination);
AddEnvironmentVariable(request, versionFolder);
return(true);
}
else
{
request.Warning("Failed to download a Zip package {0} from {1}", package.Name, package.Source);
}
}
catch (Exception e)
{
request.Debug(e.StackTrace);
if (e is System.UnauthorizedAccessException)
{
request.WriteError(ErrorCategory.InvalidOperation, package.Name, Resources.Messages.InstallFailed, package.Name, "UnauthorizedAccessException. The requested operation likely requires elevation, i.e., launch PowerShell as administer");
}
else
{
request.WriteError(ErrorCategory.InvalidOperation, package.Name, Resources.Messages.InstallFailed, package.Name, e.Message);
}
if (!(e is UnauthorizedAccessException || e is IOException))
{
// something wrong, delete the version folder
versionFolder.TryHardToDelete();
}
}
finally
{
cleanUpAction();
file.TryHardToDelete();
extractedFolder.TryHardToDelete();
request.CompleteProgress(tracker.ProgressID, true);
}
return(false);
}
internal static bool InstallZipPackage(PackageJson package, string fastPath, PackageSourceListRequest request)
{
// download the exe package
var file = Path.ChangeExtension(Path.GetTempFileName(), "exe");
WebDownloader.DownloadFile(package.Source, file, request, null);
if (!File.Exists(file))
{
return(false);
}
// validate the file
if (!WebDownloader.VerifyHash(file, package, request))
{
return(false);
}
if (!package.IsTrustedSource)
{
if (!request.ShouldContinueWithUntrustedPackageSource(package.Name, package.Source))
{
request.Warning(Constants.Messages.UserDeclinedUntrustedPackageInstall, package.Name);
return(false);
}
}
Timer timer = null;
object timerLock = new object();
bool cleanUp = false;
ProgressTracker tracker = new ProgressTracker(request.StartProgress(0, "Installing Zip Package............"));
double percent = tracker.StartPercent;
Action cleanUpAction = () => {
lock (timerLock)
{
// check whether clean up is already done before or not
if (!cleanUp)
{
try
{
if (timer != null)
{
// stop timer
timer.Change(Timeout.Infinite, Timeout.Infinite);
timer.Dispose();
timer = null;
}
}
catch
{
}
cleanUp = true;
}
}
};
// extracted folder
string extractedFolder = string.Concat(file.GenerateTemporaryFilename());
try
{
timer = new Timer(_ =>
{
percent += 0.025;
var progressPercent = tracker.ConvertPercentToProgress(percent);
if (progressPercent < 90)
{
request.Progress(tracker.ProgressID, (int)progressPercent, string.Format(CultureInfo.CurrentCulture, "Copying files ..."));
}
if (request.IsCanceled)
{
cleanUpAction();
}
}, null, 0, 1000);
//unzip the file
ZipFile.ExtractToDirectory(file, extractedFolder);
if (Directory.Exists(extractedFolder))
{
var versionFolder = Path.Combine(package.Destination, package.Name, package.Version);
// create the directory version folder if not exist
if (!Directory.Exists(versionFolder))
{
Directory.CreateDirectory(versionFolder);
}
try
{
FileUtility.CopyDirectory(extractedFolder, versionFolder, true);
request.YieldFromSwidtag(package, fastPath);
}
catch (Exception e)
{
request.CompleteProgress(tracker.ProgressID, false);
request.Debug(e.StackTrace);
if (!(e is UnauthorizedAccessException || e is IOException))
{
// something wrong, delete the version folder
versionFolder.TryHardToDelete();
return(false);
}
}
return(true);
}
else
{
request.Warning("Failed to download a Zip package {0} from {1}", package.Name, package.Source);
}
}
finally
{
cleanUpAction();
file.TryHardToDelete();
extractedFolder.TryHardToDelete();
request.CompleteProgress(tracker.ProgressID, true);
}
return(false);
}
internal static bool InstallExePackage(PackageJson package, string fastPath, PackageSourceListRequest request) {
ProgressTracker tracker = new ProgressTracker(request.StartProgress(0, Resources.Messages.Installing));
var exePackage = Path.ChangeExtension(Path.GetTempFileName(), "exe");
WebDownloader.DownloadFile(package.Source, exePackage, request, tracker);
if (File.Exists(exePackage)) {
request.Verbose("Package: '{0}'", exePackage);
// validate the file
if (!WebDownloader.VerifyHash(exePackage,package, request))
{
return false;
}
if (!package.IsTrustedSource)
{
if (!request.ShouldContinueWithUntrustedPackageSource(package.Name, package.Source))
{
request.Warning(Constants.Messages.UserDeclinedUntrustedPackageInstall, package.Name);
return false;
}
}
// Prepare the process to run
var processArguments = string.IsNullOrWhiteSpace(package.InstallArguments)
? "/VERYSILENT /CLOSEAPPLICATIONS /NORESTART /NOCANCEL /SP /qn"
: package.InstallArguments;
var start = new ProcessStartInfo {
FileName = exePackage,
Arguments = processArguments,
UseShellExecute = false,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true,
//LoadUserProfile = true,
};
double percent = tracker.StartPercent;
Timer timer = null;
object timerLock = new object();
bool cleanUp = false;
Action cleanUpAction = () => {
lock (timerLock) {
// check whether clean up is already done before or not
if (!cleanUp) {
try {
if (timer != null) {
// stop timer
timer.Change(Timeout.Infinite, Timeout.Infinite);
// dispose it
timer.Dispose();
}
} catch {
}
cleanUp = true;
}
}
};
// Run the external process & wait for it to finish
using (var proc = Process.Start(start)) {
var timer1 = timer;
timer = new Timer(_ => {
percent += 0.025;
// percent between startProgress and endProgress
var progressPercent = tracker.ConvertPercentToProgress(percent);
if (progressPercent < 90) {
request.Progress(tracker.ProgressID, (int)progressPercent, Resources.Messages.InstallingPackage, package.Source);
}
if (request.IsCanceled) {
cleanUpAction();
}
}, null, 100, 3000);
proc.WaitForExit();
// Retrieve the app's exit code
var exitCode = proc.ExitCode;
if (exitCode != 0) {
request.WriteError(ErrorCategory.InvalidOperation, fastPath, Resources.Messages.InstallFailed, package.Name, proc.StandardError.ReadToEnd());
request.CompleteProgress(tracker.ProgressID, false);
return false;
}
else {
request.CompleteProgress(tracker.ProgressID, true);
request.YieldFromSwidtag(package, fastPath);
request.Verbose(Resources.Messages.SuccessfullyInstalled, package.Name);
}
cleanUpAction();
}
return true;
}
else
{
request.Error(ErrorCategory.InvalidOperation, Resources.Messages.FailedToDownload, Constants.ProviderName, package.Source, exePackage);
}
return false;
}
internal static bool InstallZipPackage(PackageJson package, string fastPath, PackageSourceListRequest request)
{
// download the exe package
var file = Path.ChangeExtension(Path.GetTempFileName(), "exe");
WebDownloader.DownloadFile(package.Source, file, request, null);
if (!File.Exists(file))
{
return false;
}
// validate the file
if (!WebDownloader.VerifyHash(file, package,request))
{
return false;
}
if (!package.IsTrustedSource)
{
if (!request.ShouldContinueWithUntrustedPackageSource(package.Name, package.Source))
{
request.Warning(Constants.Messages.UserDeclinedUntrustedPackageInstall, package.Name);
return false;
}
}
Timer timer = null;
object timerLock = new object();
bool cleanUp = false;
ProgressTracker tracker = new ProgressTracker(request.StartProgress(0, "Installing Zip Package............"));
double percent = tracker.StartPercent;
Action cleanUpAction = () => {
lock (timerLock)
{
// check whether clean up is already done before or not
if (!cleanUp)
{
try
{
if (timer != null)
{
// stop timer
timer.Change(Timeout.Infinite, Timeout.Infinite);
timer.Dispose();
timer = null;
}
}
catch
{
}
cleanUp = true;
}
}
};
// extracted folder
string extractedFolder = string.Concat(file.GenerateTemporaryFilename());
try
{
timer = new Timer(_ =>
{
percent += 0.025;
var progressPercent = tracker.ConvertPercentToProgress(percent);
if (progressPercent < 90)
{
request.Progress(tracker.ProgressID, (int)progressPercent, string.Format(CultureInfo.CurrentCulture, "Copying files ..."));
}
if (request.IsCanceled)
{
cleanUpAction();
}
}, null, 0, 1000);
//unzip the file
ZipFile.ExtractToDirectory(file, extractedFolder);
if (Directory.Exists(extractedFolder))
{
var versionFolder = Path.Combine(package.Destination, package.Name, package.Version);
// create the directory version folder if not exist
if (!Directory.Exists(versionFolder))
{
Directory.CreateDirectory(versionFolder);
}
try
{
FileUtility.CopyDirectory(extractedFolder, versionFolder, true);
request.YieldFromSwidtag(package, fastPath);
}
catch (Exception e)
{
request.CompleteProgress(tracker.ProgressID, false);
request.Debug(e.StackTrace);
if (!(e is UnauthorizedAccessException || e is IOException))
{
// something wrong, delete the version folder
versionFolder.TryHardToDelete();
return false;
}
}
return true;
}
else
{
request.Warning("Failed to download a Zip package {0} from {1}", package.Name, package.Source);
}
}
finally
{
cleanUpAction();
file.TryHardToDelete();
extractedFolder.TryHardToDelete();
request.CompleteProgress(tracker.ProgressID, true);
}
return false;
}