public Stream Open(Resource resource)
{
if (resource == null)
{
throw new ArgumentNullException("resource");
}
if (resource.IsFolder)
{
throw new InvalidOperationException("Cannot open stream for a folder.");
}
var zipPath = resource.LogicalPath.Trim('/');
Stream zipStream = null;
IZipFile zip = null;
Stream fileStream = null;
bool attached = false;
try
{
zipStream = new MemoryStream(_zipData);
#if FX4
zip = new IonicZipFile(zipStream);
#else
zip = new FXZipFile(zipStream);
#endif
var hit = zip.Entries.FirstOrDefault(entry =>
{
return(string.Equals(entry.FullPath, zipPath, StringComparison.OrdinalIgnoreCase));
});
if (hit != null && !hit.IsFolder)
{
fileStream = hit.Open();
attached = true;
return(new AttachedDisposableStream(fileStream, zip, zipStream));
}
}
finally
{
if (!attached)
{
if (fileStream != null)
{
fileStream.Dispose();
}
if (zip != null)
{
zip.Dispose();
}
if (zipStream != null)
{
zipStream.Dispose();
}
}
}
return(null);
}
public ResourceResult GetResource(OwinContext context, string logicalPath)
{
var zipPath = logicalPath == null ? string.Empty : logicalPath.Trim('/');
if (string.IsNullOrEmpty(zipPath))
{
// root
return(new ResourceResult
{
Resource = new Resource(context, logicalPath, true)
});
}
using (var ms = new MemoryStream(_zipData))
#if FX4
using (var zip = new IonicZipFile(ms))
#else
using (var zip = new FXZipFile(ms))
#endif
{
var hit = zip.Entries.FirstOrDefault(entry =>
{
return(string.Equals(entry.FullPath.Trim('/'), zipPath, StringComparison.OrdinalIgnoreCase));
});
if (hit == null)
{
return(new ResourceResult {
StatusCode = System.Net.HttpStatusCode.NotFound
});
}
else if (hit.IsFolder)
{
return(new ResourceResult
{
Resource = new Resource(context, logicalPath, true)
{
CreationDateUtc = hit.Created,
ModifiedDateUtc = hit.Modified
}
});
}
else
{
return(new ResourceResult
{
Resource = new Resource(context, logicalPath, false)
{
CreationDateUtc = hit.Created,
ModifiedDateUtc = hit.Modified,
Length = hit.OrigSize,
}
});
}
}
}
public IEnumerable <ResourceResult> GetSubResources(OwinContext context, Resource parentFolder)
{
if (parentFolder == null)
{
throw new ArgumentNullException("parentFolder");
}
if (parentFolder.IsFolder)
{
var zipPath = parentFolder.LogicalPath.Trim('/');
using (var ms = new MemoryStream(_zipData))
#if FX4
using (var zip = new IonicZipFile(ms))
#else
using (var zip = new FXZipFile(ms))
#endif
{
var hits = zip.Entries.Where(entry =>
{
return(string.Equals(GetZipDirectoryName(entry.FullPath), zipPath, StringComparison.OrdinalIgnoreCase));
}).Select(entry =>
{
if (entry.IsFolder)
{
return(new ResourceResult
{
Resource = new Resource(context, entry.FullPath, true)
{
CreationDateUtc = entry.Created,
ModifiedDateUtc = entry.Modified
}
});
}
return(new ResourceResult
{
Resource = new Resource(context, entry.FullPath, false)
{
CreationDateUtc = entry.Created,
ModifiedDateUtc = entry.Modified,
Length = entry.OrigSize,
}
});
});
return(hits);
}
}
return(Enumerable.Empty <ResourceResult>());
}
