/// <summary>
/// Processes a request to determine if it matches a known file, and if so, serves it.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Task Invoke(HttpContext context)
{
var fileContext = new StaticFileContext(context, _options, _matchUrl, _logger);
if (!fileContext.ValidateMethod())
{
_logger.LogRequestMethodNotSupported(context.Request.Method);
}
else if (!fileContext.ValidatePath())
{
_logger.LogPathMismatch(fileContext.SubPath);
}
else if (!fileContext.LookupContentType())
{
_logger.LogFileTypeNotSupported(fileContext.SubPath);
}
else if (!fileContext.LookupFileInfo())
{
_logger.LogFileNotFound(fileContext.SubPath);
}
else
{
// If we get here, we can try to serve the file
fileContext.ComprehendRequestHeaders();
switch (fileContext.GetPreconditionState())
{
case StaticFileContext.PreconditionState.Unspecified:
case StaticFileContext.PreconditionState.ShouldProcess:
if (fileContext.IsHeadMethod)
{
return fileContext.SendStatusAsync(Constants.Status200Ok);
}
if (fileContext.IsRangeRequest)
{
return fileContext.SendRangeAsync();
}
_logger.LogFileServed(fileContext.SubPath, fileContext.PhysicalPath);
return fileContext.SendAsync();
case StaticFileContext.PreconditionState.NotModified:
_logger.LogPathNotModified(fileContext.SubPath);
return fileContext.SendStatusAsync(Constants.Status304NotModified);
case StaticFileContext.PreconditionState.PreconditionFailed:
_logger.LogPreconditionFailed(fileContext.SubPath);
return fileContext.SendStatusAsync(Constants.Status412PreconditionFailed);
default:
var exception = new NotImplementedException(fileContext.GetPreconditionState().ToString());
Debug.Fail(exception.ToString());
throw exception;
}
}
return _next(context);
}
public void LookupFileInfo_ReturnsFalse_IfFileDoesNotExist()
{
// Arrange
var options = new StaticFileOptions();
options.FileProvider = new TestFileProvider();
var context = new StaticFileContext(new DefaultHttpContext(), options, PathString.Empty, NullLogger.Instance);
// Act
var validateResult = context.ValidatePath();
var lookupResult = context.LookupFileInfo();
// Assert
Assert.True(validateResult);
Assert.False(lookupResult);
}
/// <summary>
/// Processes a request to determine if it matches a known file, and if so, serves it.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Task Invoke(HttpContext context)
{
var fileContext = new StaticFileContext(context, _options, _matchUrl, _logger);
if (fileContext.ValidateMethod()
&& fileContext.ValidatePath()
&& fileContext.LookupContentType()
&& fileContext.LookupFileInfo())
{
fileContext.ComprehendRequestHeaders();
switch (fileContext.GetPreconditionState())
{
case StaticFileContext.PreconditionState.Unspecified:
case StaticFileContext.PreconditionState.ShouldProcess:
if (fileContext.IsHeadMethod)
{
return fileContext.SendStatusAsync(Constants.Status200Ok);
}
if (fileContext.IsRangeRequest)
{
return fileContext.SendRangeAsync();
}
if (_logger.IsEnabled(LogLevel.Verbose))
{
_logger.LogVerbose(string.Format("Copying file {0} to the response body", fileContext.SubPath));
}
return fileContext.SendAsync();
case StaticFileContext.PreconditionState.NotModified:
if (_logger.IsEnabled(LogLevel.Verbose))
{
_logger.LogVerbose(string.Format("{0} not modified", fileContext.SubPath));
}
return fileContext.SendStatusAsync(Constants.Status304NotModified);
case StaticFileContext.PreconditionState.PreconditionFailed:
return fileContext.SendStatusAsync(Constants.Status412PreconditionFailed);
default:
var exception = new NotImplementedException(fileContext.GetPreconditionState().ToString());
_logger.LogError("No precondition state specified", exception);
throw exception;
}
}
return _next(context);
}
public void LookupFileInfo_ReturnsTrue_IfFileExists()
{
// Arrange
var options = new StaticFileOptions();
var fileProvider = new TestFileProvider();
fileProvider.AddFile("/foo.txt", new TestFileInfo
{
LastModified = new DateTimeOffset(2014, 1, 2, 3, 4, 5, TimeSpan.Zero)
});
options.FileProvider = fileProvider;
var pathString = new PathString("/test");
var httpContext = new DefaultHttpContext();
httpContext.Request.Path = new PathString("/test/foo.txt");
var context = new StaticFileContext(httpContext, options, pathString, NullLogger.Instance);
// Act
context.ValidatePath();
var result = context.LookupFileInfo();
// Assert
Assert.True(result);
}
/// <summary>
/// Processes a request to determine if it matches a known file, and if so, serves it.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Task Invoke(HttpContext context)
{
var fileContext = new StaticFileContext(context, _options, _matchUrl);
if (fileContext.ValidateMethod()
&& fileContext.ValidatePath()
&& fileContext.LookupContentType()
&& fileContext.LookupFileInfo())
{
fileContext.ComprehendRequestHeaders();
switch (fileContext.GetPreconditionState())
{
case StaticFileContext.PreconditionState.Unspecified:
case StaticFileContext.PreconditionState.ShouldProcess:
if (fileContext.IsHeadMethod)
{
return fileContext.SendStatusAsync(Constants.Status200Ok);
}
if (fileContext.IsRangeRequest)
{
return fileContext.SendRangeAsync();
}
return fileContext.SendAsync();
case StaticFileContext.PreconditionState.NotModified:
return fileContext.SendStatusAsync(Constants.Status304NotModified);
case StaticFileContext.PreconditionState.PreconditionFailed:
return fileContext.SendStatusAsync(Constants.Status412PreconditionFailed);
default:
throw new NotImplementedException(fileContext.GetPreconditionState().ToString());
}
}
return _next(context);
}
public void LookupFileInfo_ReturnsTrue_IfFileExists()
{
// Arrange
var options = new StaticFileOptions();
var fileProvider = new TestFileProvider();
fileProvider.AddFile("/foo.txt", new TestFileInfo
{
LastModified = new DateTimeOffset(2014, 1, 2, 3, 4, 5, TimeSpan.Zero)
});
options.FileProvider = fileProvider;
var pathString = new PathString("/test");
var httpContext = new DefaultHttpContext();
httpContext.Request.Path = new PathString("/test/foo.txt");
var context = new StaticFileContext(httpContext, options, pathString, NullLogger.Instance);
// Act
context.ValidatePath();
var result = context.LookupFileInfo();
// Assert
Assert.True(result);
}
