protected override async Task <SymbolStoreFile> GetFileInner(SymbolStoreKey key, CancellationToken token)
{
Uri uri = GetRequestUri(key.Index);
bool needsChecksumMatch = key.PdbChecksums.Any();
if (needsChecksumMatch)
{
string checksumHeader = string.Join(";", key.PdbChecksums);
HttpClient client = _authenticatedClient ?? _client;
Tracer.Information($"SymbolChecksum: {checksumHeader}");
client.DefaultRequestHeaders.Add("SymbolChecksum", checksumHeader);
}
Stream stream = await GetFileStream(uri, token);
if (stream != null)
{
if (needsChecksumMatch)
{
ChecksumValidator.Validate(Tracer, stream, key.PdbChecksums);
}
return(new SymbolStoreFile(stream, uri.ToString()));
}
return(null);
}
// Token: 0x0600017F RID: 383 RVA: 0x00007068 File Offset: 0x00005268
private ViewCompilerWorkItem CreatePrecompiledWorkItem(string normalizedPath, CompiledViewDescriptor precompiledView)
{
if (precompiledView.Item == null || !ChecksumValidator.IsRecompilationSupported(precompiledView.Item))
{
return(new ViewCompilerWorkItem
{
SupportsCompilation = false,
ExpirationTokens = Array.Empty <IChangeToken>(),
Descriptor = precompiledView
});
}
ViewCompilerWorkItem viewCompilerWorkItem = new ViewCompilerWorkItem
{
SupportsCompilation = true,
Descriptor = precompiledView,
NormalizedPath = normalizedPath,
ExpirationTokens = new List <IChangeToken>()
};
IReadOnlyList <IRazorSourceChecksumMetadata> checksumMetadata = RazorCompiledItemExtensions.GetChecksumMetadata(precompiledView.Item);
for (int i = 0; i < checksumMetadata.Count; i++)
{
viewCompilerWorkItem.ExpirationTokens.Add(this._fileProvider.Watch(checksumMetadata[i].Identifier));
}
viewCompilerWorkItem.Descriptor = new CompiledViewDescriptor
{
ExpirationTokens = viewCompilerWorkItem.ExpirationTokens,
IsPrecompiled = true,
Item = precompiledView.Item,
RelativePath = precompiledView.RelativePath,
ViewAttribute = precompiledView.ViewAttribute
};
return(viewCompilerWorkItem);
}
// Token: 0x0600017E RID: 382 RVA: 0x00006EDC File Offset: 0x000050DC
private Task <CompiledViewDescriptor> OnCacheMiss(string normalizedPath)
{
object cacheLock = this._cacheLock;
ViewCompilerWorkItem viewCompilerWorkItem;
MemoryCacheEntryOptions memoryCacheEntryOptions;
TaskCompletionSource <CompiledViewDescriptor> taskCompletionSource;
lock (cacheLock)
{
Task <CompiledViewDescriptor> result;
if (CacheExtensions.TryGetValue <Task <CompiledViewDescriptor> >(this._cache, normalizedPath, out result))
{
return(result);
}
CompiledViewDescriptor precompiledView;
if (this._precompiledViews.TryGetValue(normalizedPath, out precompiledView))
{
this._logger.ViewCompilerLocatedCompiledViewForPath(normalizedPath);
viewCompilerWorkItem = this.CreatePrecompiledWorkItem(normalizedPath, precompiledView);
}
else
{
viewCompilerWorkItem = this.CreateRuntimeCompilationWorkItem(normalizedPath);
}
memoryCacheEntryOptions = new MemoryCacheEntryOptions();
for (int i = 0; i < viewCompilerWorkItem.ExpirationTokens.Count; i++)
{
memoryCacheEntryOptions.ExpirationTokens.Add(viewCompilerWorkItem.ExpirationTokens[i]);
}
taskCompletionSource = new TaskCompletionSource <CompiledViewDescriptor>();
if (!viewCompilerWorkItem.SupportsCompilation)
{
taskCompletionSource.SetResult(viewCompilerWorkItem.Descriptor);
}
_cacheKeyList.Add(normalizedPath);
CacheExtensions.Set <Task <CompiledViewDescriptor> >(this._cache, normalizedPath, taskCompletionSource.Task, memoryCacheEntryOptions);
}
if (viewCompilerWorkItem.SupportsCompilation)
{
CompiledViewDescriptor descriptor = viewCompilerWorkItem.Descriptor;
if (((descriptor != null) ? descriptor.Item : null) != null && ChecksumValidator.IsItemValid(this._projectEngine.FileSystem, viewCompilerWorkItem.Descriptor.Item))
{
taskCompletionSource.SetResult(viewCompilerWorkItem.Descriptor);
return(taskCompletionSource.Task);
}
this._logger.ViewCompilerInvalidingCompiledFile(viewCompilerWorkItem.NormalizedPath);
try
{
CompiledViewDescriptor compiledViewDescriptor = this.CompileAndEmit(normalizedPath);
compiledViewDescriptor.ExpirationTokens = memoryCacheEntryOptions.ExpirationTokens;
taskCompletionSource.SetResult(compiledViewDescriptor);
}
catch (Exception exception)
{
taskCompletionSource.SetException(exception);
}
}
return(taskCompletionSource.Task);
}
public void GivenNoChecksum_Validate_ReturnsFalse()
{
var message = new TestFixMessageBuilder(TestFixMessageBuilder.DefaultBody).AddChecksum("3").Build();
var uut = new ChecksumValidator(IntegerToFixConverter.Instance);
var msgContext = new FixMessageContext().Setup(message);
var result = uut.IsValid(message.AsSpan(), msgContext);
Assert.False(result);
}
public void IsRecompilationSupported_NoChecksumAttributes_ReturnsFalse()
{
// Arrange
var item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", "/Views/Home/Index.cstml", new object[] { });
// Act
var result = ChecksumValidator.IsRecompilationSupported(item);
// Assert
Assert.False(result);
}
public void IsItemValid_NoChecksumAttributes_ReturnsTrue()
{
// Arrange
var item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", "/Views/Home/Index.cstml", new object[] { });
// Act
var result = ChecksumValidator.IsItemValid(ProjectFileSystem, item);
// Assert
Assert.True(result);
}
public void StartPlayback()
{
_recording = false;
if (_recorderView != null)
{
_recorderView.StartPlayback();
}
_checksumValidator = new ChecksumValidatorBasic();
}
public void GivenCorrectChecksum_Validate_ReturnsTrue(string input)
{
byte[] message = new TestFixMessageBuilder(input).Build(out byte checksumValue, out int checksumStart);
var uut = new ChecksumValidator(IntegerToFixConverter.Instance);
var msgContext = new FixMessageContext()
{
ChecksumValue = checksumValue, ChecksumTagStartIndex = checksumStart
};
var result = uut.IsValid(message.AsSpan(), msgContext);
Assert.True(result);
}
public void IsRecompilationSupported_NoPrimaryChecksumAttribute_ReturnsFalse()
{
// Arrange
var item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", "/Views/Home/Index.cstml", new object[]
{
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some import"), "/Views/Home/_ViewImports.cstml"),
});
// Act
var result = ChecksumValidator.IsRecompilationSupported(item);
// Assert
Assert.False(result);
}
public void IsItemValid_NoPrimaryChecksumAttribute_ReturnsTrue()
{
// Arrange
var item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", "/Views/Home/Index.cstml", new object[]
{
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some import"), "/Views/Home/_ViewImports.cstml"),
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some content"), "/Views/Home/About.cstml"),
});
// Act
var result = ChecksumValidator.IsItemValid(ProjectFileSystem, item);
// Assert
Assert.True(result);
}
public void IsItemValid_PrimaryFileDoesNotExist_ReturnsTrue()
{
// Arrange
var item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", "/Views/Home/Index.cstml", new object[]
{
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some import"), "/Views/Home/_ViewImports.cstml"),
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some content"), "/Views/Home/Index.cstml"),
});
ProjectFileSystem.Add(new TestRazorProjectItem("/Views/Home/_ViewImports.cstml", "dkdkfkdf")); // This will be ignored
// Act
var result = ChecksumValidator.IsItemValid(ProjectFileSystem, item);
// Assert
Assert.True(result);
}
private void CreateModels(PageRouteModelProviderContext context)
{
var rootDirectory = _pagesOptions.RootDirectory;
if (!rootDirectory.EndsWith("/", StringComparison.Ordinal))
{
rootDirectory = rootDirectory + "/";
}
var areaRootDirectory = _pagesOptions.AreaRootDirectory;
if (!areaRootDirectory.EndsWith("/", StringComparison.Ordinal))
{
areaRootDirectory = areaRootDirectory + "/";
}
foreach (var viewDescriptor in GetViewDescriptors(_applicationManager))
{
if (viewDescriptor.Item != null && !ChecksumValidator.IsItemValid(_razorProjectEngine.FileSystem, viewDescriptor.Item))
{
// If we get here, this compiled Page has different local content, so ignore it.
continue;
}
var relativePath = viewDescriptor.RelativePath;
var routeTemplate = GetRouteTemplate(viewDescriptor);
PageRouteModel routeModel = null;
// When RootDirectory and AreaRootDirectory overlap (e.g. RootDirectory = '/', AreaRootDirectory = '/Areas'), we
// only want to allow a page to be associated with the area route.
if (_pagesOptions.AllowAreas && relativePath.StartsWith(areaRootDirectory, StringComparison.OrdinalIgnoreCase))
{
routeModel = _routeModelFactory.CreateAreaRouteModel(relativePath, routeTemplate);
}
else if (relativePath.StartsWith(rootDirectory, StringComparison.OrdinalIgnoreCase))
{
routeModel = _routeModelFactory.CreateRouteModel(relativePath, routeTemplate);
}
if (routeModel != null)
{
context.RouteModels.Add(routeModel);
}
}
}
private ViewCompilerWorkItem CreatePrecompiledWorkItem(string normalizedPath, CompiledViewDescriptor precompiledView)
{
// We have a precompiled view - but we're not sure that we can use it yet.
//
// We need to determine first if we have enough information to 'recompile' this view. If that's the case
// we'll create change tokens for all of the files.
//
// Then we'll attempt to validate if any of those files have different content than the original sources
// based on checksums.
if (precompiledView.Item == null || !ChecksumValidator.IsRecompilationSupported(precompiledView.Item))
{
return(new ViewCompilerWorkItem()
{
// If we don't have a checksum for the primary source file we can't recompile.
SupportsCompilation = false,
ExpirationTokens = Array.Empty <IChangeToken>(), // Never expire because we can't recompile.
Descriptor = precompiledView, // This will be used as-is.
});
}
var item = new ViewCompilerWorkItem()
{
SupportsCompilation = true,
Descriptor = precompiledView, // This might be used, if the checksums match.
// Used to validate and recompile
NormalizedPath = normalizedPath,
ExpirationTokens = GetExpirationTokens(precompiledView),
};
// We also need to create a new descriptor, because the original one doesn't have expiration tokens on
// it. These will be used by the view location cache, which is like an L1 cache for views (this class is
// the L2 cache).
item.Descriptor = new CompiledViewDescriptor()
{
ExpirationTokens = item.ExpirationTokens,
Item = precompiledView.Item,
RelativePath = precompiledView.RelativePath,
};
return(item);
}
public void IsItemValid_ImportFileExistsButDoesNotMatch_ReturnsFalse()
{
// Arrange
var item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", "/Views/Home/Index.cstml", new object[]
{
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some import"), "/Views/Home/_ViewImports.cstml"),
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some content"), "/Views/Home/Index.cstml"),
});
ProjectFileSystem.Add(new TestRazorProjectItem("/Views/Home/Index.cstml", "some content"));
ProjectFileSystem.Add(new TestRazorProjectItem("/Views/Home/_ViewImports.cstml", "some other import"));
// Act
var result = ChecksumValidator.IsItemValid(ProjectFileSystem, item);
// Assert
Assert.False(result);
}
private void CreateModels(IList <PageRouteModel> results)
{
var rootDirectory = _pagesOptions.RootDirectory;
if (!rootDirectory.EndsWith("/", StringComparison.Ordinal))
{
rootDirectory = rootDirectory + "/";
}
var areaRootDirectory = _pagesOptions.AreaRootDirectory;
if (!areaRootDirectory.EndsWith("/", StringComparison.Ordinal))
{
areaRootDirectory = areaRootDirectory + "/";
}
foreach (var viewDescriptor in GetViewDescriptors(_applicationManager))
{
if (viewDescriptor.Item != null && !ChecksumValidator.IsItemValid(_templateEngine.Project, viewDescriptor.Item))
{
// If we get here, this compiled Page has different local content, so ignore it.
continue;
}
PageRouteModel model = null;
// When RootDirectory and AreaRootDirectory overlap (e.g. RootDirectory = '/', AreaRootDirectory = '/Areas'), we
// only want to allow a page to be associated with the area route.
if (_pagesOptions.AllowAreas && viewDescriptor.RelativePath.StartsWith(areaRootDirectory, StringComparison.OrdinalIgnoreCase))
{
model = GetAreaPageRouteModel(areaRootDirectory, viewDescriptor);
}
else if (viewDescriptor.RelativePath.StartsWith(rootDirectory, StringComparison.OrdinalIgnoreCase))
{
model = GetPageRouteModel(rootDirectory, viewDescriptor);
}
if (model != null)
{
results.Add(model);
}
}
}
private ViewCompilerWorkItem CreatePrecompiledWorkItem(string normalizedPath, CompiledViewDescriptor precompiledView)
{
if (precompiledView.Item == null || !ChecksumValidator.IsRecompilationSupported(precompiledView.Item))
{
return(new ViewCompilerWorkItem()
{
SupportsCompilation = false,
ExpirationTokens = Array.Empty <IChangeToken>(),
Descriptor = precompiledView,
});
}
var item = new ViewCompilerWorkItem()
{
SupportsCompilation = true,
Descriptor = precompiledView,
NormalizedPath = normalizedPath,
ExpirationTokens = new List <IChangeToken>(),
};
var checksums = precompiledView.Item.GetChecksumMetadata();
for (var i = 0; i < checksums.Count; i++)
{
item.ExpirationTokens.Add(_fileProvider.Watch(checksums[i].Identifier));
}
item.Descriptor = new CompiledViewDescriptor()
{
ExpirationTokens = item.ExpirationTokens,
IsPrecompiled = true,
Item = precompiledView.Item,
RelativePath = precompiledView.RelativePath,
ViewAttribute = precompiledView.ViewAttribute,
};
return(item);
}
private Task <CompiledViewDescriptor> OnCacheMiss(string normalizedPath)
{
ViewCompilerWorkItem item;
TaskCompletionSource <CompiledViewDescriptor> taskSource;
MemoryCacheEntryOptions cacheEntryOptions;
// Safe races cannot be allowed when compiling Razor pages. To ensure only one compilation request succeeds
// per file, we'll lock the creation of a cache entry. Creating the cache entry should be very quick. The
// actual work for compiling files happens outside the critical section.
lock (_cacheLock)
{
// Double-checked locking to handle a possible race.
if (_cache.TryGetValue(normalizedPath, out Task <CompiledViewDescriptor> result))
{
return(result);
}
if (_precompiledViews.TryGetValue(normalizedPath, out var precompiledView))
{
Log.ViewCompilerLocatedCompiledViewForPath(_logger, normalizedPath);
item = CreatePrecompiledWorkItem(normalizedPath, precompiledView);
}
else
{
item = CreateRuntimeCompilationWorkItem(normalizedPath);
}
// At this point, we've decided what to do - but we should create the cache entry and
// release the lock first.
cacheEntryOptions = new MemoryCacheEntryOptions();
Debug.Assert(item.ExpirationTokens != null);
for (var i = 0; i < item.ExpirationTokens.Count; i++)
{
cacheEntryOptions.ExpirationTokens.Add(item.ExpirationTokens[i]);
}
taskSource = new TaskCompletionSource <CompiledViewDescriptor>(creationOptions: TaskCreationOptions.RunContinuationsAsynchronously);
if (item.SupportsCompilation)
{
// We'll compile in just a sec, be patient.
}
else
{
// If we can't compile, we should have already created the descriptor
Debug.Assert(item.Descriptor != null);
taskSource.SetResult(item.Descriptor);
}
_cache.Set(normalizedPath, taskSource.Task, cacheEntryOptions);
}
// Now the lock has been released so we can do more expensive processing.
if (item.SupportsCompilation)
{
Debug.Assert(taskSource != null);
if (item.Descriptor?.Item != null &&
ChecksumValidator.IsItemValid(_projectEngine.FileSystem, item.Descriptor.Item))
{
// If the item has checksums to validate, we should also have a precompiled view.
Debug.Assert(item.Descriptor != null);
taskSource.SetResult(item.Descriptor);
return(taskSource.Task);
}
Log.ViewCompilerInvalidatingCompiledFile(_logger, item.NormalizedPath);
try
{
var descriptor = CompileAndEmit(normalizedPath);
descriptor.ExpirationTokens = cacheEntryOptions.ExpirationTokens;
taskSource.SetResult(descriptor);
}
catch (Exception ex)
{
taskSource.SetException(ex);
}
}
return(taskSource.Task);
}
private Task <CompiledViewDescriptor> OnCacheMiss(string normalizedPath)
{
ViewCompilerWorkItem item;
TaskCompletionSource <CompiledViewDescriptor> taskSource;
MemoryCacheEntryOptions cacheEntryOptions;
lock (_cacheLock)
{
if (_cache.TryGetValue(normalizedPath, out Task <CompiledViewDescriptor> result))
{
return(result);
}
if (_precompiledViews.TryGetValue(normalizedPath, out var precompiledView))
{
_logger.ViewCompilerLocatedCompiledViewForPath(normalizedPath);
item = CreatePrecompiledWorkItem(normalizedPath, precompiledView);
}
else
{
item = CreateRuntimeCompilationWorkItem(normalizedPath);
}
cacheEntryOptions = new MemoryCacheEntryOptions();
Debug.Assert(item.ExpirationTokens != null);
for (var i = 0; i < item.ExpirationTokens.Count; i++)
{
cacheEntryOptions.ExpirationTokens.Add(item.ExpirationTokens[i]);
}
taskSource = new TaskCompletionSource <CompiledViewDescriptor>();
if (item.SupportsCompilation)
{
}
else
{
Debug.Assert(item.Descriptor != null);
taskSource.SetResult(item.Descriptor);
}
_cache.Set(normalizedPath, taskSource.Task, cacheEntryOptions);
}
if (item.SupportsCompilation)
{
Debug.Assert(taskSource != null);
if (item.Descriptor?.Item != null &&
ChecksumValidator.IsItemValid(_projectEngine.FileSystem, item.Descriptor.Item))
{
Debug.Assert(item.Descriptor != null);
taskSource.SetResult(item.Descriptor);
return(taskSource.Task);
}
_logger.ViewCompilerInvalidingCompiledFile(item.NormalizedPath);
try
{
var descriptor = CompileAndEmit(normalizedPath);
descriptor.ExpirationTokens = cacheEntryOptions.ExpirationTokens;
taskSource.SetResult(descriptor);
}
catch (Exception ex)
{
taskSource.SetException(ex);
}
}
return(taskSource.Task);
}
