public static UpdateInfo Create(ReleaseEntry currentVersion, IEnumerable<ReleaseEntry> availableReleases, string packageDirectory)
{
Contract.Requires(availableReleases != null);
Contract.Requires(!String.IsNullOrEmpty(packageDirectory));
var latestFull = availableReleases.MaxBy(x => x.Version).FirstOrDefault(x => !x.IsDelta);
if (latestFull == null) {
throw new Exception("There should always be at least one full release");
}
if (currentVersion == null) {
return new UpdateInfo(null, new[] { latestFull }, packageDirectory);
}
if (currentVersion.Version == latestFull.Version) {
return new UpdateInfo(currentVersion, Enumerable.Empty<ReleaseEntry>(), packageDirectory);
}
var newerThanUs = availableReleases
.Where(x => x.Version > currentVersion.Version)
.OrderBy(v => v.Version);
var deltasSize = newerThanUs.Where(x => x.IsDelta).Sum(x => x.Filesize);
return (deltasSize < latestFull.Filesize && deltasSize > 0) ?
new UpdateInfo(currentVersion, newerThanUs.Where(x => x.IsDelta).ToArray(), packageDirectory) :
new UpdateInfo(currentVersion, new[] { latestFull }, packageDirectory);
}
void checksumPackage(ReleaseEntry downloadedRelease)
{
var targetPackage = new FileInfo(
Path.Combine(rootAppDirectory, "packages", downloadedRelease.Filename));
if (!targetPackage.Exists) {
this.Log().Error("File {0} should exist but doesn't", targetPackage.FullName);
throw new Exception("Checksummed file doesn't exist: " + targetPackage.FullName);
}
if (targetPackage.Length != downloadedRelease.Filesize) {
this.Log().Error("File Length should be {0}, is {1}", downloadedRelease.Filesize, targetPackage.Length);
targetPackage.Delete();
throw new Exception("Checksummed file size doesn't match: " + targetPackage.FullName);
}
using (var file = targetPackage.OpenRead()) {
var hash = Utility.CalculateStreamSHA1(file);
if (!hash.Equals(downloadedRelease.SHA1,StringComparison.OrdinalIgnoreCase)) {
this.Log().Error("File SHA1 should be {0}, is {1}", downloadedRelease.SHA1, hash);
targetPackage.Delete();
throw new Exception("Checksum doesn't match: " + targetPackage.FullName);
}
}
}
private void OnNewVersionAvailable(ReleaseEntry release)
{
_logger.Info("New version {0} available!", release.Version);
System.Windows.Application.Current.Dispatcher.Invoke(delegate {
_newVersionAvailable.OnNext(release);
});
}
Task downloadRelease(string updateBaseUrl, ReleaseEntry releaseEntry, IFileDownloader urlDownloader, string targetFile)
{
if (!updateBaseUrl.EndsWith("/")) {
updateBaseUrl += '/';
}
var sourceFileUrl = new Uri(new Uri(updateBaseUrl), releaseEntry.BaseUrl + releaseEntry.Filename).AbsoluteUri;
File.Delete(targetFile);
return urlDownloader.DownloadFile(sourceFileUrl, targetFile);
}
protected UpdateInfo(ReleaseEntry currentlyInstalledVersion, IEnumerable<ReleaseEntry> releasesToApply, string packageDirectory)
{
// NB: When bootstrapping, CurrentlyInstalledVersion is null!
CurrentlyInstalledVersion = currentlyInstalledVersion;
ReleasesToApply = (releasesToApply ?? Enumerable.Empty<ReleaseEntry>()).ToList();
FutureReleaseEntry = ReleasesToApply.Any() ?
ReleasesToApply.MaxBy(x => x.Version).FirstOrDefault() :
CurrentlyInstalledVersion;
this.PackageDirectory = packageDirectory;
}
Task downloadRelease(string updateBaseUrl, ReleaseEntry releaseEntry, IFileDownloader urlDownloader, string targetFile, Action<int> progress)
{
var baseUri = Utility.EnsureTrailingSlash(new Uri(updateBaseUrl));
var releaseEntryUrl = releaseEntry.BaseUrl + releaseEntry.Filename;
if (!String.IsNullOrEmpty(releaseEntry.Query)) {
releaseEntryUrl += releaseEntry.Query;
}
var sourceFileUrl = new Uri(baseUri, releaseEntryUrl).AbsoluteUri;
File.Delete(targetFile);
return urlDownloader.DownloadFile(sourceFileUrl, targetFile, progress);
}
Task downloadRelease(string updateBaseUrl, ReleaseEntry releaseEntry, IFileDownloader urlDownloader, string targetFile, Action<int> progress)
{
if (!updateBaseUrl.EndsWith("/")) {
updateBaseUrl += '/';
}
var releaseEntryUrl = releaseEntry.BaseUrl + releaseEntry.Filename;
if (!String.IsNullOrEmpty(releaseEntry.Query)) {
releaseEntryUrl += releaseEntry.Query;
}
var sourceFileUrl = new Uri(new Uri(updateBaseUrl), releaseEntryUrl).AbsoluteUri;
File.Delete(targetFile);
return urlDownloader.DownloadFile(sourceFileUrl, targetFile, progress);
}
void createDeltaForSingleFile(FileInfo targetFile, DirectoryInfo workingDirectory, Dictionary <string, string> baseFileListing)
{
// NB: There are three cases here that we'll handle:
//
// 1. Exists only in new => leave it alone, we'll use it directly.
// 2. Exists in both old and new => write a dummy file so we know
// to keep it.
// 3. Exists in old but changed in new => create a delta file
//
// The fourth case of "Exists only in old => delete it in new"
// is handled when we apply the delta package
var relativePath = targetFile.FullName.Replace(workingDirectory.FullName, "");
if (!baseFileListing.ContainsKey(relativePath))
{
this.Log().Info("{0} not found in base package, marking as new", relativePath);
return;
}
var oldData = File.ReadAllBytes(baseFileListing[relativePath]);
var newData = File.ReadAllBytes(targetFile.FullName);
if (bytesAreIdentical(oldData, newData))
{
this.Log().Info("{0} hasn't changed, writing dummy file", relativePath);
File.Create(targetFile.FullName + ".diff").Dispose();
File.Create(targetFile.FullName + ".shasum").Dispose();
targetFile.Delete();
return;
}
this.Log().Info("Delta patching {0} => {1}", baseFileListing[relativePath], targetFile.FullName);
var msDelta = new MsDeltaCompression();
try {
msDelta.CreateDelta(baseFileListing[relativePath], targetFile.FullName, targetFile.FullName + ".diff");
} catch (Win32Exception ex) {
this.Log().Warn("We couldn't create a delta for {0}, writing full file", targetFile.Name);
return;
}
var rl = ReleaseEntry.GenerateFromFile(new MemoryStream(newData), targetFile.Name + ".shasum");
File.WriteAllText(targetFile.FullName + ".shasum", rl.EntryAsString, Encoding.UTF8);
targetFile.Delete();
}
async Task <string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
string tmpDir = default(string);
bool shouldDeleteTmpDir = findShortTemporaryDir(out tmpDir);
var fs = new PhysicalFileSystem(tmpDir);
var pkg = new OptimizedZipPackage(fs, Path.Combine(updateInfo.PackageDirectory, release.Filename));
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
// Copy all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
this.Log().Info("Writing files to app directory: {0}", target.FullName);
var toWrite = pkg.GetLibFiles().Where(x => pathIsInFrameworkProfile(x, appFrameworkVersion))
.OrderBy(x => x.Path)
.ToList();
// NB: Because of the above NB, we cannot use ForEachAsync here, we
// have to copy these files in-order. Once we fix assembly resolution,
// we can kill both of these NBs.
await Task.Run(() => toWrite.ForEach(x => copyFileToLocation(target, x)));
await pkg.GetContentFiles().ForEachAsync(x => copyFileToLocation(target, x));
if (shouldDeleteTmpDir)
{
await Utility.DeleteDirectory(tmpDir);
}
return(target.FullName);
}
async Task <ReleaseEntry> createFullPackagesFromDeltas(IEnumerable <ReleaseEntry> releasesToApply, ReleaseEntry currentVersion)
{
Contract.Requires(releasesToApply != null);
// If there are no remote releases at all, bail
if (!releasesToApply.Any())
{
return(null);
}
// If there are no deltas in our list, we're already done
if (releasesToApply.All(x => !x.IsDelta))
{
return(releasesToApply.MaxBy(x => x.Version).FirstOrDefault());
}
if (!releasesToApply.All(x => x.IsDelta))
{
throw new Exception("Cannot apply combinations of delta and full packages");
}
// Smash together our base full package and the nearest delta
var ret = await Task.Run(() =>
{
var basePkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", currentVersion.Filename));
var deltaPkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", releasesToApply.First().Filename));
var deltaBuilder = new DeltaPackageBuilder(Directory.GetParent(this.rootAppDirectory).FullName);
return(deltaBuilder.ApplyDeltaPackage(basePkg, deltaPkg,
Regex.Replace(deltaPkg.InputPackageFile, @"-delta.nupkg$", ".nupkg", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)));
});
if (releasesToApply.Count() == 1)
{
return(ReleaseEntry.GenerateFromFile(ret.InputPackageFile));
}
var fi = new FileInfo(ret.InputPackageFile);
var entry = ReleaseEntry.GenerateFromFile(fi.OpenRead(), fi.Name);
// Recursively combine the rest of them
return(await createFullPackagesFromDeltas(releasesToApply.Skip(1), entry));
}
Task downloadRelease(string updateBaseUrl, ReleaseEntry releaseEntry, IFileDownloader urlDownloader, string targetFile, Action <int> progress)
{
if (!updateBaseUrl.EndsWith("/"))
{
updateBaseUrl += '/';
}
var releaseEntryUrl = releaseEntry.BaseUrl + releaseEntry.Filename;
if (!String.IsNullOrEmpty(releaseEntry.Query))
{
releaseEntryUrl += releaseEntry.Query;
}
var sourceFileUrl = new Uri(new Uri(updateBaseUrl), releaseEntryUrl).AbsoluteUri;
File.Delete(targetFile);
return(urlDownloader.DownloadFile(sourceFileUrl, targetFile, progress));
}
async Task <string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
var pkg = new ZipPackage(Path.Combine(updateInfo.PackageDirectory, release.Filename));
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
// Copy all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
this.Log().Info("Writing files to app directory: {0}", target.FullName);
var toWrite = pkg.GetLibFiles().Where(x => pathIsInFrameworkProfile(x, appFrameworkVersion))
.OrderBy(x => x.Path)
.ToList();
// NB: Because of the above NB, we cannot use ForEachAsync here, we
// have to copy these files in-order. Once we fix assembly resolution,
// we can kill both of these NBs.
await Task.Run(() => toWrite.ForEach(x => copyFileToLocation(target, x)));
await pkg.GetContentFiles().ForEachAsync(x => copyFileToLocation(target, x));
var newCurrentVersion = updateInfo.FutureReleaseEntry.Version;
// Perform post-install; clean up the previous version by asking it
// which shortcuts to install, and nuking them. Then, run the app's
// post install and set up shortcuts.
this.ErrorIfThrows(() => runPostInstallAndCleanup(newCurrentVersion, updateInfo.IsBootstrapping));
return(target.FullName);
}
bool isPackageOk(ReleaseEntry downloadedRelease)
{
var targetPackage = new FileInfo(
Path.Combine(rootAppDirectory, "packages", downloadedRelease.Filename));
if (!targetPackage.Exists)
{
return(false);
}
if (targetPackage.Length != downloadedRelease.Filesize)
{
return(false);
}
using (var file = targetPackage.OpenRead()) {
var hash = Utility.CalculateStreamSHA1(file);
return(hash.Equals(downloadedRelease.SHA1, StringComparison.OrdinalIgnoreCase));
}
}
private void verifyPatchedFile(string relativeFilePath, string inputFile, string tempTargetFile)
{
ReleaseEntry entry = ReleaseEntry.ParseReleaseEntry(File.ReadAllText(Regex.Replace(inputFile, @"\.(bs)?diff$", ".shasum"), Encoding.UTF8));
ReleaseEntry entry2 = ReleaseEntry.GenerateFromFile(tempTargetFile, null);
if (entry.Filesize != entry2.Filesize)
{
this.Log <DeltaPackageBuilder>().Warn <string, long, long>("Patched file {0} has incorrect size, expected {1}, got {2}", relativeFilePath, entry.Filesize, entry2.Filesize);
ChecksumFailedException exception1 = new ChecksumFailedException();
exception1.Filename = relativeFilePath;
throw exception1;
}
if (entry.SHA1 != entry2.SHA1)
{
this.Log <DeltaPackageBuilder>().Warn <string, string, string>("Patched file {0} has incorrect SHA1, expected {1}, got {2}", relativeFilePath, entry.SHA1, entry2.SHA1);
ChecksumFailedException exception2 = new ChecksumFailedException();
exception2.Filename = relativeFilePath;
throw exception2;
}
}
async Task<string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
var pkg = new ZipPackage(Path.Combine(updateInfo.PackageDirectory, release.Filename));
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists) {
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
// Copy all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
this.Log().Info("Writing files to app directory: {0}", target.FullName);
var toWrite = pkg.GetLibFiles().Where(x => pathIsInFrameworkProfile(x, appFrameworkVersion))
.OrderBy(x => x.Path)
.ToList();
// NB: Because of the above NB, we cannot use ForEachAsync here, we
// have to copy these files in-order. Once we fix assembly resolution,
// we can kill both of these NBs.
await Task.Run(() => toWrite.ForEach(x => copyFileToLocation(target, x)));
await pkg.GetContentFiles().ForEachAsync(x => copyFileToLocation(target, x));
var newCurrentVersion = updateInfo.FutureReleaseEntry.Version;
// Perform post-install; clean up the previous version by asking it
// which shortcuts to install, and nuking them. Then, run the app's
// post install and set up shortcuts.
this.ErrorIfThrows(() => runPostInstallAndCleanup(newCurrentVersion, updateInfo.IsBootstrapping));
return target.FullName;
}
Task <string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release, Action <int> progressCallback)
{
return(Task.Run(async() => {
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
try
{
this.Log().Info("Writing files to app directory: {0}", target.FullName);
await ReleasePackage.ExtractZipForInstall(
Path.Combine(updateInfo.PackageDirectory, release.Filename),
target.FullName,
rootAppDirectory,
progressCallback);
}
catch (Exception ex)
{
try
{
//Don't leave that empty directory there: its existence will prevent the user from even using the previous version.
await Utility.DeleteDirectory(target.FullName);
}
catch (Exception error)
{
//This is going to be one very stuck user...
this.Log().ErrorException("Failed to cleanup new directory after failed install: " + target.FullName, error);
}
throw ex;
}
return target.FullName;
}));
}
Task <string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
return(Task.Run(async() => {
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
this.Log().Info("Writing files to app directory: {0}", target.FullName);
await ReleasePackage.ExtractZipForInstall(
Path.Combine(updateInfo.PackageDirectory, release.Filename),
target.FullName);
return target.FullName;
}));
}
public void UpdateUninstallRegisty()
{
var releaseContent = File.ReadAllText(Path.Combine(rootAppDirectory, "packages", "RELEASES"), Encoding.UTF8);
var releases = ReleaseEntry.ParseReleaseFile(releaseContent);
var latest = releases.Where(x => !x.IsDelta).OrderByDescending(x => x.Version).First();
var pkgPath = Path.Combine(rootAppDirectory, "packages", latest.Filename);
var zp = new ZipPackage(pkgPath);
var installInfoFile = Path.Combine(this.rootAppDirectory, ".installInfo.json");
var installInfoResult = Utility.GetInstallInfo(installInfoFile);
if (installInfoResult.Success)
{
var verion = installInfoResult.InstallVersion as string;
var productCode = installInfoResult.ProductCode as string;
var appName = installInfoResult.AppName as string;
var arch = installInfoResult.Arch == "x86" ? "x86" : "x64";
var key = GetUninstallRegKey(productCode, appName, arch);
if (key != null)
{
try {
key.SetValue("DisplayVersion", zp.Version.ToString());
key.Close();
this.Log().Info($"UpdateUninstallRegisty: DisplayVersion updated to {zp.Version.ToString()}");
} catch (Exception ex) {
this.Log().ErrorException("UpdateUninstallRegisty: Failed to write current version to registry.", ex);
}
}
else
{
this.Log().Error("UpdateUninstallRegisty: Registry key not found or no write access. Unable to update current version.");
}
}
else
{
this.Log().Error("UpdateUninstallRegisty: Unable to update current version without installInfo.");
}
}
bool isReleaseExplicitlyHttp(ReleaseEntry x)
{
return x.BaseUrl != null &&
Uri.IsWellFormedUriString(x.BaseUrl, UriKind.Absolute);
}
void createDeltaForSingleFile(FileInfo targetFile, DirectoryInfo workingDirectory, Dictionary <string, string> baseFileListing)
{
// NB: There are three cases here that we'll handle:
//
// 1. Exists only in new => leave it alone, we'll use it directly.
// 2. Exists in both old and new => write a dummy file so we know
// to keep it.
// 3. Exists in old but changed in new => create a delta file
//
// The fourth case of "Exists only in old => delete it in new"
// is handled when we apply the delta package
var relativePath = targetFile.FullName.Replace(workingDirectory.FullName, "");
if (!baseFileListing.ContainsKey(relativePath))
{
this.Log().Info("{0} not found in base package, marking as new", relativePath);
return;
}
var oldData = File.ReadAllBytes(baseFileListing[relativePath]);
var newData = File.ReadAllBytes(targetFile.FullName);
if (bytesAreIdentical(oldData, newData))
{
this.Log().Info("{0} hasn't changed, writing dummy file", relativePath);
File.Create(targetFile.FullName + ".diff").Dispose();
File.Create(targetFile.FullName + ".shasum").Dispose();
targetFile.Delete();
return;
}
this.Log().Info("Delta patching {0} => {1}", baseFileListing[relativePath], targetFile.FullName);
var msDelta = new MsDeltaCompression();
if (targetFile.Extension.Equals(".exe", StringComparison.OrdinalIgnoreCase) ||
targetFile.Extension.Equals(".dll", StringComparison.OrdinalIgnoreCase) ||
targetFile.Extension.Equals(".node", StringComparison.OrdinalIgnoreCase))
{
try {
msDelta.CreateDelta(baseFileListing[relativePath], targetFile.FullName, targetFile.FullName + ".diff");
goto exit;
} catch (Exception) {
this.Log().Warn("We couldn't create a delta for {0}, attempting to create bsdiff", targetFile.Name);
}
}
var of = default(FileStream);
try {
of = File.Create(targetFile.FullName + ".bsdiff");
BinaryPatchUtility.Create(oldData, newData, of);
// NB: Create a dummy corrupt .diff file so that older
// versions which don't understand bsdiff will fail out
// until they get upgraded, instead of seeing the missing
// file and just removing it.
File.WriteAllText(targetFile.FullName + ".diff", "1");
} catch (Exception ex) {
this.Log().WarnException(String.Format("We really couldn't create a delta for {0}", targetFile.Name), ex);
return;
} finally {
if (of != null)
{
of.Dispose();
}
}
exit:
var rl = ReleaseEntry.GenerateFromFile(new MemoryStream(newData), targetFile.Name + ".shasum");
File.WriteAllText(targetFile.FullName + ".shasum", rl.EntryAsString, Encoding.UTF8);
targetFile.Delete();
}
async Task <string> installFromDelta(UpdateInfo updateInfo)
{
IEnumerable <ReleaseEntry> releasesToApply = updateInfo.ReleasesToApply;
ReleaseEntry currentVersion = updateInfo.CurrentlyInstalledVersion;
var packageDirectory = updateInfo.PackageDirectory;
Contract.Requires(releasesToApply != null);
// If there are no remote releases at all, bail
if (!releasesToApply.Any())
{
return(null);
}
// If there are no deltas in our list, install the last full one
if (releasesToApply.All(x => !x.IsDelta))
{
return(await installPackageToAppDir(updateInfo, releasesToApply.MaxBy(x => x.Version).FirstOrDefault()));
}
if (!releasesToApply.All(x => x.IsDelta))
{
throw new Exception("Cannot apply combinations of delta and full packages");
}
string finalOutputPath = getDirectoryForRelease(releasesToApply.Last().Version).ToString();
string localAppDirectory = Directory.GetParent(this.rootAppDirectory).FullName;
string workingPath;
using (Utility.WithTempDirectory(out workingPath, localAppDirectory))
{
var opts = new ExtractionOptions()
{
ExtractFullPath = true, Overwrite = true, PreserveFileTime = true
};
//Extract base file to working folder
this.Log().Info("Extracting base file to working folder {0}", currentVersion.Filename);
using (var za = ZipArchive.Open(Path.Combine(rootAppDirectory, "packages", currentVersion.Filename)))
using (var reader = za.ExtractAllEntries())
{
reader.WriteAllToDirectory(workingPath, opts);
}
//Apply each incremental release
foreach (var delta in releasesToApply)
{
this.Log().Info("Applying delta release {0} to working folder", delta.Filename);
var deltaPkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", delta.Filename));
var deltaBuilder = new DeltaPackageBuilder(Directory.GetParent(this.rootAppDirectory).FullName);
deltaBuilder.ApplyDeltaPackageToWorkingDirectory(workingPath, deltaPkg);
}
//Save the final thing into a local full package
var lastDeltaPkgFullPath = Path.Combine(rootAppDirectory, "packages", releasesToApply.Last().Filename);
var fullPackageOutput = Regex.Replace(lastDeltaPkgFullPath, @"-delta.nupkg$", ".nupkg", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
this.Log().Info("Repacking into full package: {0}", fullPackageOutput);
using (var za = ZipArchive.Create())
using (var tgt = File.OpenWrite(fullPackageOutput))
{
za.DeflateCompressionLevel = CompressionLevel.BestSpeed;
za.AddAllFromDirectory(workingPath);
za.SaveTo(tgt);
}
//Convert this from NuGet package format to raw folder format
ReleasePackage.ConvertNuGetWorkingDirectoryForInstall(workingPath, finalOutputPath, rootAppDirectory);
}
return(finalOutputPath);
}
public async Task <UpdateInfo> CheckForUpdate(
string localReleaseFile,
string updateUrlOrPath,
bool ignoreDeltaUpdates = false,
Action <int> progress = null,
IFileDownloader urlDownloader = null)
{
progress = progress ?? (_ => { });
var localReleases = Enumerable.Empty <ReleaseEntry>();
bool shouldInitialize = false;
try {
localReleases = Utility.LoadLocalReleases(localReleaseFile);
} catch (Exception ex) {
// Something has gone pear-shaped, let's start from scratch
this.Log().WarnException("Failed to load local releases, starting from scratch", ex);
shouldInitialize = true;
}
if (shouldInitialize)
{
await initializeClientAppDirectory();
}
string releaseFile;
var latestLocalRelease = localReleases.Count() > 0 ?
localReleases.MaxBy(x => x.Version).First() :
default(ReleaseEntry);
// Fetch the remote RELEASES file, whether it's a local dir or an
// HTTP URL
if (Utility.IsHttpUrl(updateUrlOrPath))
{
if (updateUrlOrPath.EndsWith("/"))
{
updateUrlOrPath = updateUrlOrPath.Substring(0, updateUrlOrPath.Length - 1);
}
this.Log().Info("Downloading RELEASES file from {0}", updateUrlOrPath);
int retries = 3;
retry:
try {
var url = String.Format("{0}/{1}", updateUrlOrPath, "RELEASES");
if (latestLocalRelease != null)
{
url = String.Format("{0}/RELEASES?id={1}&localVersion={2}&arch={3}",
updateUrlOrPath,
Uri.EscapeUriString(latestLocalRelease.PackageName),
Uri.EscapeUriString(latestLocalRelease.Version.ToString()),
Environment.Is64BitOperatingSystem ? "amd64" : "x86");
}
var data = await urlDownloader.DownloadUrl(url);
releaseFile = Encoding.UTF8.GetString(data);
} catch (WebException ex) {
this.Log().InfoException("Download resulted in WebException (returning blank release list)", ex);
if (retries <= 0)
{
throw;
}
retries--;
goto retry;
}
progress(33);
}
else
{
this.Log().Info("Reading RELEASES file from {0}", updateUrlOrPath);
if (!Directory.Exists(updateUrlOrPath))
{
var message = String.Format(
"The directory {0} does not exist, something is probably broken with your application",
updateUrlOrPath);
throw new Exception(message);
}
var fi = new FileInfo(Path.Combine(updateUrlOrPath, "RELEASES"));
if (!fi.Exists)
{
var message = String.Format(
"The file {0} does not exist, something is probably broken with your application",
fi.FullName);
this.Log().Warn(message);
var packages = (new DirectoryInfo(updateUrlOrPath)).GetFiles("*.nupkg");
if (packages.Length == 0)
{
throw new Exception(message);
}
// NB: Create a new RELEASES file since we've got a directory of packages
ReleaseEntry.WriteReleaseFile(
packages.Select(x => ReleaseEntry.GenerateFromFile(x.FullName)), fi.FullName);
}
releaseFile = File.ReadAllText(fi.FullName, Encoding.UTF8);
progress(33);
}
var ret = default(UpdateInfo);
var remoteReleases = ReleaseEntry.ParseReleaseFile(releaseFile);
progress(66);
if (!remoteReleases.Any())
{
throw new Exception("Remote release File is empty or corrupted");
}
ret = determineUpdateInfo(localReleases, remoteReleases, ignoreDeltaUpdates);
progress(100);
return(ret);
}
Task<string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
return Task.Run(async () => {
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists) {
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
this.Log().Info("Writing files to app directory: {0}", target.FullName);
await ReleasePackage.ExtractZipForInstall(
Path.Combine(updateInfo.PackageDirectory, release.Filename),
target.FullName);
return target.FullName;
});
}
// NB: Once we uninstall the old version of the app, we try to schedule
// it to be deleted at next reboot. Unfortunately, depending on whether
// the user has admin permissions, this can fail. So as a failsafe,
// before we try to apply any update, we assume previous versions in the
// directory are "dead" (i.e. already uninstalled, but not deleted), and
// we blow them away. This is to make sure that we don't attempt to run
// an uninstaller on an already-uninstalled version.
async Task cleanDeadVersions(SemanticVersion originalVersion, SemanticVersion currentVersion, bool forceUninstall = false)
{
if (currentVersion == null)
{
return;
}
var di = new DirectoryInfo(rootAppDirectory);
if (!di.Exists)
{
return;
}
this.Log().Info("cleanDeadVersions: for version {0}", currentVersion);
string originalVersionFolder = null;
if (originalVersion != null)
{
originalVersionFolder = getDirectoryForRelease(originalVersion).Name;
this.Log().Info("cleanDeadVersions: exclude folder {0}", originalVersionFolder);
}
string currentVersionFolder = null;
if (currentVersion != null)
{
currentVersionFolder = getDirectoryForRelease(currentVersion).Name;
this.Log().Info("cleanDeadVersions: exclude folder {0}", currentVersionFolder);
}
// NB: If we try to access a directory that has already been
// scheduled for deletion by MoveFileEx it throws what seems like
// NT's only error code, ERROR_ACCESS_DENIED. Squelch errors that
// come from here.
var toCleanup = di.GetDirectories()
.Where(x => x.Name.ToLowerInvariant().Contains("app-"))
.Where(x => x.Name != currentVersionFolder && x.Name != originalVersionFolder)
.Where(x => !isAppFolderDead(x.FullName));
if (forceUninstall == false)
{
await toCleanup.ForEachAsync(async x => {
var squirrelApps = SquirrelAwareExecutableDetector.GetAllSquirrelAwareApps(x.FullName);
var args = String.Format("--squirrel-obsolete {0}", x.Name.Replace("app-", ""));
if (squirrelApps.Count > 0)
{
// For each app, run the install command in-order and wait
await squirrelApps.ForEachAsync(async exe => {
using (var cts = new CancellationTokenSource()) {
cts.CancelAfter(10 * 1000);
try {
await Utility.InvokeProcessAsync(exe, args, cts.Token);
} catch (Exception ex) {
this.Log().ErrorException("Coudln't run Squirrel hook, continuing: " + exe, ex);
}
}
}, 1 /* at a time */);
}
});
}
// Include dead folders in folders to :fire:
toCleanup = di.GetDirectories()
.Where(x => x.Name.ToLowerInvariant().Contains("app-"))
.Where(x => x.Name != currentVersionFolder && x.Name != originalVersionFolder);
// Get the current process list in an attempt to not burn
// directories which have running processes
var runningProcesses = UnsafeUtility.EnumerateProcesses();
// Finally, clean up the app-X.Y.Z directories
await toCleanup.ForEachAsync(async x => {
try {
if (runningProcesses.All(p => !p.Item1.StartsWith(x.FullName, StringComparison.OrdinalIgnoreCase)))
{
await Utility.DeleteDirectoryOrJustGiveUp(x.FullName);
}
if (Directory.Exists(x.FullName))
{
// NB: If we cannot clean up a directory, we need to make
// sure that anyone finding it later won't attempt to run
// Squirrel events on it. We'll mark it with a .dead file
markAppFolderAsDead(x.FullName);
}
} catch (UnauthorizedAccessException ex) {
this.Log().WarnException("Couldn't delete directory: " + x.FullName, ex);
// NB: Same deal as above
markAppFolderAsDead(x.FullName);
}
});
// Clean up the packages directory too
var releasesFile = Utility.LocalReleaseFileForAppDir(rootAppDirectory);
var entries = ReleaseEntry.ParseReleaseFile(File.ReadAllText(releasesFile, Encoding.UTF8));
var pkgDir = Utility.PackageDirectoryForAppDir(rootAppDirectory);
var releaseEntry = default(ReleaseEntry);
foreach (var entry in entries)
{
if (entry.Version == currentVersion)
{
releaseEntry = ReleaseEntry.GenerateFromFile(Path.Combine(pkgDir, entry.Filename));
continue;
}
File.Delete(Path.Combine(pkgDir, entry.Filename));
}
ReleaseEntry.WriteReleaseFile(new[] { releaseEntry }, releasesFile);
}
public async Task <RegistryKey> CreateUninstallerRegistryEntry(string uninstallCmd, string quietSwitch)
{
var releaseContent = File.ReadAllText(Path.Combine(rootAppDirectory, "packages", "RELEASES"), Encoding.UTF8);
var releases = ReleaseEntry.ParseReleaseFile(releaseContent);
var latest = releases.Where(x => !x.IsDelta).OrderByDescending(x => x.Version).First();
// Download the icon and PNG => ICO it. If this doesn't work, who cares
var pkgPath = Path.Combine(rootAppDirectory, "packages", latest.Filename);
var zp = new ZipPackage(pkgPath);
var targetPng = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".png");
var targetIco = Path.Combine(rootAppDirectory, "app.ico");
// NB: Sometimes the Uninstall key doesn't exist
using (var parentKey =
RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Default)
.CreateSubKey("Uninstall", RegistryKeyPermissionCheck.ReadWriteSubTree)) {; }
var key = RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Default)
.CreateSubKey(uninstallRegSubKey + "\\" + applicationName, RegistryKeyPermissionCheck.ReadWriteSubTree);
if (zp.IconUrl != null && !File.Exists(targetIco))
{
try {
using (var wc = Utility.CreateWebClient()) {
await wc.DownloadFileTaskAsync(zp.IconUrl, targetPng);
using (var fs = new FileStream(targetIco, FileMode.Create)) {
if (zp.IconUrl.AbsolutePath.EndsWith("ico"))
{
var bytes = File.ReadAllBytes(targetPng);
fs.Write(bytes, 0, bytes.Length);
}
else
{
using (var bmp = (Bitmap)Image.FromFile(targetPng))
using (var ico = Icon.FromHandle(bmp.GetHicon())) {
ico.Save(fs);
}
}
key.SetValue("DisplayIcon", targetIco, RegistryValueKind.String);
}
}
} catch (Exception ex) {
this.Log().InfoException("Couldn't write uninstall icon, don't care", ex);
} finally {
File.Delete(targetPng);
}
}
var stringsToWrite = new[] {
new { Key = "DisplayName", Value = zp.Title ?? zp.Description ?? zp.Summary },
new { Key = "DisplayVersion", Value = zp.Version.ToString() },
new { Key = "InstallDate", Value = DateTime.Now.ToString("yyyyMMdd") },
new { Key = "InstallLocation", Value = rootAppDirectory },
new { Key = "Publisher", Value = String.Join(",", zp.Authors) },
new { Key = "QuietUninstallString", Value = String.Format("{0} {1}", uninstallCmd, quietSwitch) },
new { Key = "UninstallString", Value = uninstallCmd },
new { Key = "URLUpdateInfo", Value = zp.ProjectUrl != null?zp.ProjectUrl.ToString() : "", }
};
var dwordsToWrite = new[] {
new { Key = "EstimatedSize", Value = (int)((new FileInfo(pkgPath)).Length / 1024) },
new { Key = "NoModify", Value = 1 },
new { Key = "NoRepair", Value = 1 },
new { Key = "Language", Value = 0x0409 },
};
foreach (var kvp in stringsToWrite)
{
key.SetValue(kvp.Key, kvp.Value, RegistryValueKind.String);
}
foreach (var kvp in dwordsToWrite)
{
key.SetValue(kvp.Key, kvp.Value, RegistryValueKind.DWord);
}
return(key);
}
public async Task <UpdateInfo> CheckForUpdate(
string localReleaseFile,
string updateUrlOrPath,
bool ignoreDeltaUpdates = false,
Action <int> progress = null,
IFileDownloader urlDownloader = null,
bool startOverIfNone = false)
{
progress = progress ?? (_ => { });
var localReleases = Enumerable.Empty <ReleaseEntry>();
bool shouldInitialize = false;
try {
localReleases = Utility.LoadLocalReleases(localReleaseFile);
} catch (Exception ex) {
// Something has gone pear-shaped, let's start from scratch
this.Log().WarnException("Failed to load local releases, starting from scratch", ex);
shouldInitialize = true;
}
restart:
if (shouldInitialize)
{
await initializeClientAppDirectory();
}
string releaseFile;
var latestLocalRelease = localReleases.Count() > 0 ?
localReleases.MaxBy(x => x.Version).First() :
default(ReleaseEntry);
// Fetch the remote RELEASES file, whether it's a local dir or an
// HTTP URL
if (Utility.IsHttpUrl(updateUrlOrPath))
{
if (updateUrlOrPath.EndsWith("/"))
{
updateUrlOrPath = updateUrlOrPath.Substring(0, updateUrlOrPath.Length - 1);
}
this.Log().Info("Downloading RELEASES file from {0}", updateUrlOrPath);
int retries = 3;
retry:
try {
var uri = Utility.AppendPathToUri(new Uri(updateUrlOrPath), "RELEASES");
if (latestLocalRelease != null)
{
uri = Utility.AddQueryParamsToUri(uri, new Dictionary <string, string> {
{ "id", latestLocalRelease.PackageName },
{ "localVersion", latestLocalRelease.Version.ToString() },
{ "arch", Environment.Is64BitOperatingSystem ? "amd64" : "x86" }
});
}
var data = await urlDownloader.DownloadUrl(uri.ToString());
releaseFile = Encoding.UTF8.GetString(data);
} catch (WebException ex) {
this.Log().InfoException("Download resulted in WebException (returning blank release list)", ex);
if (retries <= 0)
{
throw;
}
retries--;
goto retry;
}
progress(33);
}
else
{
this.Log().Info("Reading RELEASES file from {0}", updateUrlOrPath);
if (!Directory.Exists(updateUrlOrPath))
{
var message = String.Format(
"The directory {0} does not exist, something is probably broken with your application",
updateUrlOrPath);
throw new Exception(message);
}
var fi = new FileInfo(Path.Combine(updateUrlOrPath, "RELEASES"));
if (!fi.Exists)
{
var message = String.Format(
"The file {0} does not exist, something is probably broken with your application",
fi.FullName);
this.Log().Warn(message);
var packages = (new DirectoryInfo(updateUrlOrPath)).GetFiles("*.nupkg");
if (packages.Length == 0)
{
throw new Exception(message);
}
// NB: Create a new RELEASES file since we've got a directory of packages
ReleaseEntry.WriteReleaseFile(
packages.Select(x => ReleaseEntry.GenerateFromFile(x.FullName)), fi.FullName);
}
releaseFile = File.ReadAllText(fi.FullName, Encoding.UTF8);
progress(33);
}
var ret = default(UpdateInfo);
var remoteReleases = ReleaseEntry.ParseReleaseFile(releaseFile);
progress(66);
if (!remoteReleases.Any())
{
throw new Exception("Remote release File is empty or corrupted");
}
ret = determineUpdateInfo(localReleases, remoteReleases, ignoreDeltaUpdates);
progress(100);
if (startOverIfNone && !ret.ReleasesToApply.Any())
{
// User has apparently re-run the installer for the version already installed.
// Assume the intent is to repair a broken installation.
// These rather awkward steps cause it to erase the installed-version directory
// and re-create it, much like a first-time install (though it won't run the app
// with the special arguments for first-time).
shouldInitialize = true;
localReleases = Enumerable.Empty <ReleaseEntry>();
goto restart;
}
return(ret);
}
static long GetTotalUncompressedSize(UpdateInfo updateInfo, ReleaseEntry release)
{
long totalSize = 0;
using (var stream = File.OpenRead(Path.Combine(updateInfo.PackageDirectory, release.Filename)))
{
var zipIn = new ZipInputStream(stream);
var zipEntry = zipIn.GetNextEntry();
while (zipEntry != null)
{
var pathParts = zipEntry.Name.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
var foundLib = false;
foreach (var part in pathParts)
{
if (part.Equals("lib", StringComparison.InvariantCulture))
{
foundLib = true;
}
}
if (!foundLib)
{
zipEntry = zipIn.GetNextEntry();
continue;
}
totalSize += zipEntry.Size;
zipEntry = zipIn.GetNextEntry();
}
}
return totalSize;
}
Task<string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release, Action<int> progress)
{
return Task.Run(async () =>
{
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
var totalSize = GetTotalUncompressedSize(updateInfo, release);
var currentExtractedSize = 0L;
using (var stream = File.OpenRead(Path.Combine(updateInfo.PackageDirectory, release.Filename)))
{
// progress.Report(new InstallerStep("Extracting"));
var zipIn = new ZipInputStream(stream);
var zipEntry = zipIn.GetNextEntry();
while (zipEntry != null)
{
var entryName = zipEntry.Name;
var pathParts = entryName.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
var foundLib = false;
foreach (var part in pathParts)
{
if (part.Equals("lib", StringComparison.InvariantCulture))
{
foundLib = true;
}
}
if (!foundLib)
{
zipEntry = zipIn.GetNextEntry();
continue;
}
var buffer = new byte[4096];
var fullZipToPath = Path.Combine(target.FullName, entryName.Replace('/', Path.DirectorySeparatorChar));
var directoryName = zipEntry.IsFile ? Path.GetDirectoryName(fullZipToPath) : fullZipToPath;
if (!string.IsNullOrEmpty(directoryName))
Directory.CreateDirectory(directoryName);
using (var streamWriter = File.Create(fullZipToPath))
{
currentExtractedSize += zipEntry.Size;
StreamUtils.Copy(zipIn, streamWriter, buffer);
progress((int)((double) currentExtractedSize * 100.0 / (double) totalSize));
}
zipEntry = zipIn.GetNextEntry();
}
}
this.Log().Info("Writing files to app directory: {0}", target.FullName);
// Move all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
var libDir = target.GetDirectories().First(x => x.Name.Equals("lib", StringComparison.OrdinalIgnoreCase));
var toMove = libDir.GetDirectories().OrderBy(x => x.Name);
toMove.ForEach(ld => {
ld.GetDirectories()
.ForEachAsync(subdir => subdir.MoveTo(subdir.FullName.Replace(ld.FullName, target.FullName)))
.Wait();
ld.GetFiles()
.ForEachAsync(file => {
var tgt = Path.Combine(target.FullName, file.Name);
this.Log().Info("Moving file {0} to {1}", file.FullName, tgt);
if (File.Exists(tgt)) Utility.DeleteFileHarder(tgt, true);
file.MoveTo(tgt);
})
.Wait();
});
await Utility.DeleteDirectory(libDir.FullName);
return target.FullName;
});
}
public ReleasePackage ApplyDeltaPackage(ReleasePackage basePackage, ReleasePackage deltaPackage, string outputFile, Action <int> progress = null)
{
Contract.Requires(deltaPackage != null);
Contract.Requires(!String.IsNullOrEmpty(outputFile) && !File.Exists(outputFile));
if (progress == null)
{
progress = i => { }
}
;
string workingPath;
string deltaPath;
using (Utility.WithTempDirectory(out deltaPath, localAppDirectory))
using (Utility.WithTempDirectory(out workingPath, localAppDirectory)) {
var fz = new FastZip();
fz.ExtractZip(deltaPackage.InputPackageFile, deltaPath, null);
// The percentages here are somewhat arbitrary and reflect typical Bloom file sizes.
// Probably not appropriate to push upstream.
// If you are thinking about improving this using FastZip's Progress event, check with JohnT.
// I experimented with it and found that the PercentCompleted which it reports is useless,
// toggling between 0 and 100% repeatedly...possibly it applies to a particular file?
// I also found that it is VERY expensive to turn on progress reporting while unzipping;
// seems to slow the process down to the point of making it take two to three times as long.
// This may of course improve in a later version of the library.
progress(10);
fz.ExtractZip(basePackage.InputPackageFile, workingPath, null);
progress(35);
var pathsVisited = new List <string>();
var deltaPathRelativePaths = new DirectoryInfo(deltaPath).GetAllFilesRecursively()
.Select(x => x.FullName.Replace(deltaPath + Path.DirectorySeparatorChar, ""))
.ToArray();
// Apply all of the .diff files
deltaPathRelativePaths
.Where(x => x.StartsWith("lib", StringComparison.InvariantCultureIgnoreCase))
.Where(x => !x.EndsWith(".shasum", StringComparison.InvariantCultureIgnoreCase))
.Where(x => !x.EndsWith(".diff", StringComparison.InvariantCultureIgnoreCase) ||
!deltaPathRelativePaths.Contains(x.Replace(".diff", ".bsdiff")))
.ForEach(file => {
pathsVisited.Add(Regex.Replace(file, @"\.(bs)?diff$", "").ToLowerInvariant());
applyDiffToFile(deltaPath, file, workingPath);
});
// Delete all of the files that were in the old package but
// not in the new one.
new DirectoryInfo(workingPath).GetAllFilesRecursively()
.Select(x => x.FullName.Replace(workingPath + Path.DirectorySeparatorChar, "").ToLowerInvariant())
.Where(x => x.StartsWith("lib", StringComparison.InvariantCultureIgnoreCase) && !pathsVisited.Contains(x))
.ForEach(x => {
this.Log().Info("{0} was in old package but not in new one, deleting", x);
File.Delete(Path.Combine(workingPath, x));
});
// Update all the files that aren't in 'lib' with the delta
// package's versions (i.e. the nuspec file, etc etc).
deltaPathRelativePaths
.Where(x => !x.StartsWith("lib", StringComparison.InvariantCultureIgnoreCase))
.ForEach(x => {
this.Log().Info("Updating metadata file: {0}", x);
File.Copy(Path.Combine(deltaPath, x), Path.Combine(workingPath, x), true);
});
progress(50);
this.Log().Info("Repacking into full package: {0}", outputFile);
fz.CreateZip(outputFile, workingPath, true, null);
progress(100);
}
return(new ReleasePackage(outputFile));
}
void createDeltaForSingleFile(FileInfo targetFile, DirectoryInfo workingDirectory, Dictionary <string, string> baseFileListing)
{
// NB: There are three cases here that we'll handle:
//
// 1. Exists only in new => leave it alone, we'll use it directly.
// 2. Exists in both old and new => write a dummy file so we know
// to keep it.
// 3. Exists in old but changed in new => create a delta file
//
// The fourth case of "Exists only in old => delete it in new"
// is handled when we apply the delta package
var relativePath = targetFile.FullName.Replace(workingDirectory.FullName, "");
if (!baseFileListing.ContainsKey(relativePath))
{
this.Log().Info("{0} not found in base package, marking as new", relativePath);
return;
}
var oldData = File.ReadAllBytes(baseFileListing[relativePath]);
var newData = File.ReadAllBytes(targetFile.FullName);
if (bytesAreIdentical(oldData, newData))
{
this.Log().Info("{0} hasn't changed, writing dummy file", relativePath);
File.Create(targetFile.FullName + ".diff").Dispose();
File.Create(targetFile.FullName + ".shasum").Dispose();
targetFile.Delete();
return;
}
this.Log().Info("Delta patching {0} => {1}", baseFileListing[relativePath], targetFile.FullName);
var msDelta = new MsDeltaCompression();
try {
msDelta.CreateDelta(baseFileListing[relativePath], targetFile.FullName, targetFile.FullName + ".diff");
} catch (Win32Exception) {
this.Log().Warn("We couldn't create a delta for {0}, attempting to create bsdiff", targetFile.Name);
var of = default(FileStream);
try {
of = File.Create(targetFile.FullName + ".bsdiff");
BinaryPatchUtility.Create(oldData, newData, of);
// NB: Create a dummy corrupt .diff file so that older
// versions which don't understand bsdiff will fail out
// until they get upgraded, instead of seeing the missing
// file and just removing it.
File.WriteAllText(targetFile.FullName + ".diff", "1");
} catch (Exception ex) {
this.Log().WarnException(String.Format("We really couldn't create a delta for {0}", targetFile.Name), ex);
return;
} finally {
if (of != null)
{
of.Dispose();
}
}
}
var rl = ReleaseEntry.GenerateFromFile(new MemoryStream(newData), targetFile.Name + ".shasum");
File.WriteAllText(targetFile.FullName + ".shasum", rl.EntryAsString, Encoding.UTF8);
targetFile.Delete();
}
void applyDiffToFile(string deltaPath, string relativeFilePath, string workingDirectory)
{
var inputFile = Path.Combine(deltaPath, relativeFilePath);
var finalTarget = Path.Combine(workingDirectory, Regex.Replace(relativeFilePath, @"\.(bs)?diff$", ""));
var tempTargetFile = default(string);
Utility.WithTempFile(out tempTargetFile, localAppDirectory);
try {
// NB: Zero-length diffs indicate the file hasn't actually changed
if (new FileInfo(inputFile).Length == 0)
{
this.Log().Info("{0} exists unchanged, skipping", relativeFilePath);
return;
}
if (relativeFilePath.EndsWith(".bsdiff", StringComparison.InvariantCultureIgnoreCase))
{
using (var of = File.OpenWrite(tempTargetFile))
using (var inf = File.OpenRead(finalTarget)) {
this.Log().Info("Applying BSDiff to {0}", relativeFilePath);
BinaryPatchUtility.Apply(inf, () => File.OpenRead(inputFile), of);
}
verifyPatchedFile(relativeFilePath, inputFile, tempTargetFile);
}
else if (relativeFilePath.EndsWith(".diff", StringComparison.InvariantCultureIgnoreCase))
{
this.Log().Info("Applying MSDiff to {0}", relativeFilePath);
var msDelta = new MsDeltaCompression();
msDelta.ApplyDelta(inputFile, finalTarget, tempTargetFile);
verifyPatchedFile(relativeFilePath, inputFile, tempTargetFile);
}
else
{
using (var of = File.OpenWrite(tempTargetFile))
using (var inf = File.OpenRead(inputFile)) {
this.Log().Info("Adding new file: {0}", relativeFilePath);
inf.CopyTo(of);
}
}
if (File.Exists(finalTarget))
{
File.Delete(finalTarget);
}
var targetPath = Directory.GetParent(finalTarget);
if (!targetPath.Exists)
{
targetPath.Create();
}
File.Move(tempTargetFile, finalTarget);
} finally {
if (File.Exists(tempTargetFile))
{
Utility.DeleteFileHarder(tempTargetFile, true);
}
}
}
void verifyPatchedFile(string relativeFilePath, string inputFile, string tempTargetFile)
{
var shaFile = Regex.Replace(inputFile, @"\.(bs)?diff$", ".shasum");
var expectedReleaseEntry = ReleaseEntry.ParseReleaseEntry(File.ReadAllText(shaFile, Encoding.UTF8));
var actualReleaseEntry = ReleaseEntry.GenerateFromFile(tempTargetFile);
if (expectedReleaseEntry.Filesize != actualReleaseEntry.Filesize)
{
this.Log().Warn("Patched file {0} has incorrect size, expected {1}, got {2}", relativeFilePath,
expectedReleaseEntry.Filesize, actualReleaseEntry.Filesize);
throw new ChecksumFailedException()
{
Filename = relativeFilePath
};
}
if (expectedReleaseEntry.SHA1 != actualReleaseEntry.SHA1)
{
this.Log().Warn("Patched file {0} has incorrect SHA1, expected {1}, got {2}", relativeFilePath,
expectedReleaseEntry.SHA1, actualReleaseEntry.SHA1);
throw new ChecksumFailedException()
{
Filename = relativeFilePath
};
}
}
bool bytesAreIdentical(byte[] oldData, byte[] newData)
{
if (oldData == null || newData == null)
{
return(oldData == newData);
}
if (oldData.LongLength != newData.LongLength)
{
return(false);
}
for (long i = 0; i < newData.LongLength; i++)
{
if (oldData[i] != newData[i])
{
return(false);
}
}
return(true);
}
}
async Task <ReleaseEntry> createFullPackagesFromDeltas(IEnumerable <ReleaseEntry> releasesToApply, ReleaseEntry currentVersion, ApplyReleasesProgress progress)
{
Contract.Requires(releasesToApply != null);
progress = progress ?? new ApplyReleasesProgress(releasesToApply.Count(), x => { });
// If there are no remote releases at all, bail
if (!releasesToApply.Any())
{
return(null);
}
// If there are no deltas in our list, we're already done
if (releasesToApply.All(x => !x.IsDelta))
{
return(releasesToApply.MaxBy(x => x.Version).FirstOrDefault());
}
if (!releasesToApply.All(x => x.IsDelta))
{
throw new Exception("Cannot apply combinations of delta and full packages");
}
// Progress calculation is "complex" here. We need to known how many releases, and then give each release a similar amount of
// progress. For example, when applying 5 releases:
//
// release 1: 00 => 20
// release 2: 20 => 40
// release 3: 40 => 60
// release 4: 60 => 80
// release 5: 80 => 100
//
// Smash together our base full package and the nearest delta
var ret = await Task.Run(() => {
var basePkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", currentVersion.Filename));
var deltaPkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", releasesToApply.First().Filename));
var deltaBuilder = new DeltaPackageBuilder(Directory.GetParent(this.rootAppDirectory).FullName);
return(deltaBuilder.ApplyDeltaPackage(basePkg, deltaPkg,
Regex.Replace(deltaPkg.InputPackageFile, @"-delta.nupkg$", ".nupkg", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant),
x => progress.ReportReleaseProgress(x)));
});
progress.FinishRelease();
if (releasesToApply.Count() == 1)
{
return(ReleaseEntry.GenerateFromFile(ret.InputPackageFile));
}
var fi = new FileInfo(ret.InputPackageFile);
var entry = ReleaseEntry.GenerateFromFile(fi.OpenRead(), fi.Name);
// Recursively combine the rest of them
return(await createFullPackagesFromDeltas(releasesToApply.Skip(1), entry, progress));
}
private static string GetExePath(string rootAppDirectory, string exeName, ReleaseEntry thisRelease)
{
var releaseDir = Utility.AppDirForRelease(rootAppDirectory, thisRelease);
var exePath = Path.Combine(releaseDir, exeName);
if (!File.Exists(exePath))
{
var matches = Directory.GetFiles(releaseDir, exeName, SearchOption.AllDirectories);
exePath = matches.FirstOrDefault() ?? exePath;
}
return(exePath);
}
public async Task <UpdateInfo> CheckForUpdate(
string localReleaseFile,
string updateUrlOrPath,
bool ignoreDeltaUpdates = false,
Action <int> progress = null,
IFileDownloader urlDownloader = null)
{
progress = progress ?? (_ => { });
var localReleases = Enumerable.Empty <ReleaseEntry>();
bool shouldInitialize = false;
try {
localReleases = LoadLocalReleases(localReleaseFile);
} catch (Exception ex) {
// Something has gone pear-shaped, let's start from scratch
this.Log().WarnException("Failed to load local releases, starting from scratch", ex);
shouldInitialize = true;
}
if (shouldInitialize)
{
await initializeClientAppDirectory();
}
string releaseFile;
// Fetch the remote RELEASES file, whether it's a local dir or an
// HTTP URL
if (Utility.IsHttpUrl(updateUrlOrPath))
{
this.Log().Info("Downloading RELEASES file from {0}", updateUrlOrPath);
try {
var data = await urlDownloader.DownloadUrl(String.Format("{0}/{1}", updateUrlOrPath, "RELEASES"));
releaseFile = Encoding.UTF8.GetString(data);
} catch (WebException ex) {
this.Log().InfoException("Download resulted in WebException (returning blank release list)", ex);
releaseFile = String.Empty;
}
progress(33);
}
else
{
this.Log().Info("Reading RELEASES file from {0}", updateUrlOrPath);
if (!Directory.Exists(updateUrlOrPath))
{
var message = String.Format(
"The directory {0} does not exist, something is probably broken with your application",
updateUrlOrPath);
throw new Exception(message);
}
var fi = new FileInfo(Path.Combine(updateUrlOrPath, "RELEASES"));
if (!fi.Exists)
{
var message = String.Format(
"The file {0} does not exist, something is probably broken with your application",
fi.FullName);
this.Log().Warn(message);
var packages = (new DirectoryInfo(updateUrlOrPath)).GetFiles("*.nupkg");
if (packages.Length == 0)
{
throw new Exception(message);
}
// NB: Create a new RELEASES file since we've got a directory of packages
ReleaseEntry.WriteReleaseFile(
packages.Select(x => ReleaseEntry.GenerateFromFile(x.FullName)), fi.FullName);
}
releaseFile = File.ReadAllText(fi.FullName, Encoding.UTF8);
progress(33);
}
var ret = default(UpdateInfo);
var remoteReleases = ReleaseEntry.ParseReleaseFile(releaseFile);
progress(66);
if (remoteReleases.Any())
{
ret = determineUpdateInfo(localReleases, remoteReleases, ignoreDeltaUpdates);
}
progress(100);
return(ret);
}
// NB: Once we uninstall the old version of the app, we try to schedule
// it to be deleted at next reboot. Unfortunately, depending on whether
// the user has admin permissions, this can fail. So as a failsafe,
// before we try to apply any update, we assume previous versions in the
// directory are "dead" (i.e. already uninstalled, but not deleted), and
// we blow them away. This is to make sure that we don't attempt to run
// an uninstaller on an already-uninstalled version.
async Task cleanDeadVersions(Version originalVersion, Version currentVersion, bool forceUninstall = false)
{
if (currentVersion == null)
{
return;
}
var di = new DirectoryInfo(rootAppDirectory);
if (!di.Exists)
{
return;
}
this.Log().Info("cleanDeadVersions: for version {0}", currentVersion);
string originalVersionFolder = null;
if (originalVersion != null)
{
originalVersionFolder = getDirectoryForRelease(originalVersion).Name;
this.Log().Info("cleanDeadVersions: exclude folder {0}", originalVersionFolder);
}
string currentVersionFolder = null;
if (currentVersion != null)
{
currentVersionFolder = getDirectoryForRelease(currentVersion).Name;
this.Log().Info("cleanDeadVersions: exclude folder {0}", currentVersionFolder);
}
// NB: If we try to access a directory that has already been
// scheduled for deletion by MoveFileEx it throws what seems like
// NT's only error code, ERROR_ACCESS_DENIED. Squelch errors that
// come from here.
var toCleanup = di.GetDirectories()
.Where(x => x.Name.ToLowerInvariant().Contains("app-"))
.Where(x => x.Name != currentVersionFolder && x.Name != originalVersionFolder);
if (forceUninstall == false)
{
await toCleanup.ForEachAsync(async x => {
var squirrelApps = SquirrelAwareExecutableDetector.GetAllSquirrelAwareApps(x.FullName);
var args = String.Format("--squirrel-obsolete {0}", x.Name.Replace("app-", ""));
if (squirrelApps.Count > 0)
{
// For each app, run the install command in-order and wait
await squirrelApps.ForEachAsync(exe => Utility.InvokeProcessAsync(exe, args), 1 /* at a time */);
}
});
}
// Finally, clean up the app-X.Y.Z directories
await toCleanup.ForEachAsync(async x => {
try {
await Utility.DeleteDirectoryWithFallbackToNextReboot(x.FullName);
} catch (UnauthorizedAccessException ex) {
this.Log().WarnException("Couldn't delete directory: " + x.FullName, ex);
}
});
// Clean up the packages directory too
var releasesFile = Utility.LocalReleaseFileForAppDir(rootAppDirectory);
var entries = ReleaseEntry.ParseReleaseFile(File.ReadAllText(releasesFile, Encoding.UTF8));
var pkgDir = Utility.PackageDirectoryForAppDir(rootAppDirectory);
var releaseEntry = default(ReleaseEntry);
foreach (var entry in entries)
{
if (entry.Version == currentVersion)
{
releaseEntry = ReleaseEntry.GenerateFromFile(Path.Combine(pkgDir, entry.Filename));
continue;
}
File.Delete(Path.Combine(pkgDir, entry.Filename));
}
ReleaseEntry.WriteReleaseFile(new[] { releaseEntry }, releasesFile);
}
Task <string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release, Action <int> progress)
{
return(Task.Run(async() =>
{
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists)
{
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
var totalSize = GetTotalUncompressedSize(updateInfo, release);
var currentExtractedSize = 0L;
using (var stream = File.OpenRead(Path.Combine(updateInfo.PackageDirectory, release.Filename)))
{
// progress.Report(new InstallerStep("Extracting"));
var zipIn = new ZipInputStream(stream);
var zipEntry = zipIn.GetNextEntry();
while (zipEntry != null)
{
var entryName = zipEntry.Name;
var pathParts = entryName.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
var foundLib = false;
foreach (var part in pathParts)
{
if (part.Equals("lib", StringComparison.InvariantCulture))
{
foundLib = true;
}
}
if (!foundLib)
{
zipEntry = zipIn.GetNextEntry();
continue;
}
var buffer = new byte[4096];
var fullZipToPath = Path.Combine(target.FullName, entryName.Replace('/', Path.DirectorySeparatorChar));
var directoryName = zipEntry.IsFile ? Path.GetDirectoryName(fullZipToPath) : fullZipToPath;
if (!string.IsNullOrEmpty(directoryName))
{
Directory.CreateDirectory(directoryName);
}
using (var streamWriter = File.Create(fullZipToPath))
{
currentExtractedSize += zipEntry.Size;
StreamUtils.Copy(zipIn, streamWriter, buffer);
progress((int)((double)currentExtractedSize * 100.0 / (double)totalSize));
}
zipEntry = zipIn.GetNextEntry();
}
}
this.Log().Info("Writing files to app directory: {0}", target.FullName);
// Move all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
var libDir = target.GetDirectories().First(x => x.Name.Equals("lib", StringComparison.OrdinalIgnoreCase));
var toMove = libDir.GetDirectories().OrderBy(x => x.Name);
toMove.ForEach(ld => {
ld.GetDirectories()
.ForEachAsync(subdir => subdir.MoveTo(subdir.FullName.Replace(ld.FullName, target.FullName)))
.Wait();
ld.GetFiles()
.ForEachAsync(file => {
var tgt = Path.Combine(target.FullName, file.Name);
this.Log().Info("Moving file {0} to {1}", file.FullName, tgt);
if (File.Exists(tgt))
{
Utility.DeleteFileHarder(tgt, true);
}
file.MoveTo(tgt);
})
.Wait();
});
await Utility.DeleteDirectory(libDir.FullName);
return target.FullName;
}));
}
Task<string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
return Task.Run(async () => {
var zipper = new FastZip();
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists) {
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
this.Log().Info("Writing files to app directory: {0}", target.FullName);
zipper.ExtractZip(
Path.Combine(updateInfo.PackageDirectory, release.Filename),
target.FullName, FastZip.Overwrite.Always, (o) => true, null, @"lib", true);
// Move all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
var libDir = target.GetDirectories().First(x => x.Name.Equals("lib", StringComparison.OrdinalIgnoreCase));
var toMove = libDir.GetDirectories().OrderBy(x => x.Name);
toMove.ForEach(ld => {
ld.GetDirectories()
.ForEachAsync(subdir => subdir.MoveTo(subdir.FullName.Replace(ld.FullName, target.FullName)))
.Wait();
ld.GetFiles()
.ForEachAsync(file => {
var tgt = Path.Combine(target.FullName, file.Name);
this.Log().Info("Moving file {0} to {1}", file.FullName, tgt);
file.MoveTo(tgt);
})
.Wait();
});
await Utility.DeleteDirectory(libDir.FullName);
return target.FullName;
});
}
bool isReleaseExplicitlyHttp(ReleaseEntry x)
{
return(x.BaseUrl != null &&
Uri.IsWellFormedUriString(x.BaseUrl, UriKind.Absolute));
}
async Task<string> installPackageToAppDir(UpdateInfo updateInfo, ReleaseEntry release)
{
string tmpDir = default(string);
bool shouldDeleteTmpDir = findShortTemporaryDir(out tmpDir);
var fs = new PhysicalFileSystem(tmpDir);
var pkg = new OptimizedZipPackage(fs, Path.Combine(updateInfo.PackageDirectory, release.Filename));
var target = getDirectoryForRelease(release.Version);
// NB: This might happen if we got killed partially through applying the release
if (target.Exists) {
this.Log().Warn("Found partially applied release folder, killing it: " + target.FullName);
await Utility.DeleteDirectory(target.FullName);
}
target.Create();
// Copy all of the files out of the lib/ dirs in the NuGet package
// into our target App directory.
//
// NB: We sort this list in order to guarantee that if a Net20
// and a Net40 version of a DLL get shipped, we always end up
// with the 4.0 version.
this.Log().Info("Writing files to app directory: {0}", target.FullName);
var toWrite = pkg.GetLibFiles().Where(x => pathIsInFrameworkProfile(x, appFrameworkVersion))
.OrderBy(x => x.Path)
.ToList();
// NB: Because of the above NB, we cannot use ForEachAsync here, we
// have to copy these files in-order. Once we fix assembly resolution,
// we can kill both of these NBs.
await Task.Run(() => toWrite.ForEach(x => copyFileToLocation(target, x)));
await pkg.GetContentFiles().ForEachAsync(x => copyFileToLocation(target, x));
if (shouldDeleteTmpDir) {
await Utility.DeleteDirectory(tmpDir);
}
return target.FullName;
}
internal async Task <List <ReleaseEntry> > updateLocalReleasesFile()
{
return(await Task.Run(() => ReleaseEntry.BuildReleasesFile(Utility.PackageDirectoryForAppDir(rootAppDirectory))));
}
private void UpdateLogic()
{
SquirrelAwareApp.HandleEvents(
onInitialInstall: v => OnInitialInstall(ref _UpdateManager),
onAppUpdate: v => OnAppUpdate(ref _UpdateManager),
onAppUninstall: v => OnAppUninstall(ref _UpdateManager));
try
{
Squirrel.ReleaseEntry releaseEntry = null;
Task.Run(async() =>
{
try
{
_UpdateManager = await UpdateManager.GitHubUpdateManager(UpdatePath, null, null, null, CmdArgsStatus.PreRelease);
//var updates = await _UpdateManager.CheckForUpdate();
//var lastVersion = updates?.ReleasesToApply?.OrderBy(x => x.Version).LastOrDefault();
releaseEntry = await _UpdateManager.UpdateApp();
}
catch (Exception e)
{
Logger.WriteLog(e);
try
{
if (_UpdateManager != null)
{
_UpdateManager.Dispose();
}
}
catch (Exception ex)
{
Logger.WriteLog(ex);
}
}
}).Wait();
string updateInfo = String.Empty;
try
{
if (releaseEntry != null)
{
updateInfo = releaseEntry.BaseUrl + Environment.NewLine;
updateInfo += releaseEntry.EntryAsString + Environment.NewLine;
updateInfo += releaseEntry.PackageName + Environment.NewLine;
updateInfo += releaseEntry.Version + Environment.NewLine;
updateInfo += "IsDelta: " + releaseEntry.IsDelta + Environment.NewLine;
}
else
{
Logger.WriteLog("No Updates Found");
}
if (updateInfo.Length > 0)
{
Logger.WriteLog(updateInfo);
}
}
catch (Exception ex3)
{
Logger.WriteLog(ex3);
}
}
catch (Exception ex)
{
Logger.WriteLog(ex);
}
}
async Task<ReleaseEntry> createFullPackagesFromDeltas(IEnumerable<ReleaseEntry> releasesToApply, ReleaseEntry currentVersion)
{
Contract.Requires(releasesToApply != null);
// If there are no remote releases at all, bail
if (!releasesToApply.Any()) {
return null;
}
// If there are no deltas in our list, we're already done
if (releasesToApply.All(x => !x.IsDelta)) {
return releasesToApply.MaxBy(x => x.Version).FirstOrDefault();
}
if (!releasesToApply.All(x => x.IsDelta)) {
throw new Exception("Cannot apply combinations of delta and full packages");
}
// Smash together our base full package and the nearest delta
var ret = await Task.Run(() => {
var basePkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", currentVersion.Filename));
var deltaPkg = new ReleasePackage(Path.Combine(rootAppDirectory, "packages", releasesToApply.First().Filename));
var deltaBuilder = new DeltaPackageBuilder(Directory.GetParent(this.rootAppDirectory).FullName);
return deltaBuilder.ApplyDeltaPackage(basePkg, deltaPkg,
Regex.Replace(deltaPkg.InputPackageFile, @"-delta.nupkg$", ".nupkg", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant));
});
if (releasesToApply.Count() == 1) {
return ReleaseEntry.GenerateFromFile(ret.InputPackageFile);
}
var fi = new FileInfo(ret.InputPackageFile);
var entry = ReleaseEntry.GenerateFromFile(fi.OpenRead(), fi.Name);
// Recursively combine the rest of them
return await createFullPackagesFromDeltas(releasesToApply.Skip(1), entry);
}
private void UpdateLogic()
{
_UpdateManager = null;
SquirrelAwareApp.HandleEvents(
onInitialInstall: v => OnInitialInstall(ref _UpdateManager),
onAppUpdate: v => OnAppUpdate(ref _UpdateManager),
onAppUninstall: v => OnAppUninstall(ref _UpdateManager));
try
{
Squirrel.ReleaseEntry releaseEntry = null;
bool newUpdateExist = false;
Task.Run(async() =>
{
try
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.InitializingUpdater
}).Forget();
using (_UpdateManager = await UpdateManager.GitHubUpdateManager(UpdatePath, null, null, null, _CheckPrerelease))
{
try
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.LookingForUpdates
}).Forget(_Logger);
var updateInfo = await _UpdateManager.CheckForUpdate();
if (updateInfo.ReleasesToApply.Count > 0)
{
newUpdateExist = true;
}
if (newUpdateExist)
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.UpdateFound
}).Forget(_Logger);
}
else
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.NoUpdatesFound
}).Forget(_Logger);
}
if (newUpdateExist)
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.DownloadingUpdate
}).Forget(_Logger);
}
releaseEntry = await _UpdateManager.UpdateApp();
if (newUpdateExist)
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.UpdateDownloaded
}).Forget(_Logger);
}
}
catch (Exception e)
{
_Logger?.WriteLog(e.ToString());
}
string updateTextInfo = String.Empty;
try
{
if (releaseEntry != null)
{
updateTextInfo = releaseEntry.BaseUrl + Environment.NewLine;
updateTextInfo += releaseEntry.EntryAsString + Environment.NewLine;
updateTextInfo += releaseEntry.PackageName + Environment.NewLine;
updateTextInfo += releaseEntry.Version + Environment.NewLine;
updateTextInfo += "IsDelta: " + releaseEntry.IsDelta + Environment.NewLine;
}
else
{
_Logger?.WriteLog("No Updates Found");
}
if (updateTextInfo.Length > 0)
{
_Logger?.WriteLog(updateTextInfo);
}
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.UpdatingFinished
}).Forget(_Logger);
if (newUpdateExist)
{
_UpdatingStateChanged.InvokeAsync(new UpdatingState(this)
{
Text = String.Empty,
UpdateSate = UpdateSate.ReadyToRestart
}).Forget(_Logger);
}
}
catch (Exception ex3)
{
_Logger?.WriteLog(ex3.ToString());
}
}//using
}
catch (Exception ex0)
{
_Logger?.WriteLog(ex0.ToString());
}
}).Wait();
_UpdateManager = null;
}
catch (Exception ex)
{
_Logger?.WriteLog(ex.ToString());
}
}
public static string AppDirForRelease(string rootAppDirectory, ReleaseEntry entry)
{
return(Path.Combine(rootAppDirectory, "app-" + entry.Version.ToString()));
}
private static string ToLog(ReleaseEntry entry)
{
return entry == null ? "null" : entry.EntryAsString;
}
