/// <summary>
/// Creates a root document in the CDA package.
/// </summary>
/// <param name="fileContent">The content of the file.</param>
public void CreateRootDocument(byte[] fileContent)
{
// Validation
var vb = new ValidationBuilder();
vb.ArgumentRequiredCheck("fileContent", fileContent);
if (vb.Messages.Count > 0)
{
throw new ValidationException(vb.Messages);
}
var file = new CDAPackageFile();
// Indicate that this is the root document
file.CDAPackageFileType = CDAPackageFile.FileType.RootDocument;
// Set file content
file.FileContent = fileContent;
// Known fields
file.FileName = "CDA_ROOT.XML";
CDADocumentRoot = file;
}
/// <summary>
/// Adds an attachment to the CDA Package.
/// </summary>
/// <param name="fileName">The name of the file.</param>
/// <param name="fileContent">The content of the file.</param>
public void AddDocumentAttachment(
string fileName,
byte[] fileContent)
{
// Validation
var vb = new ValidationBuilder();
vb.ArgumentRequiredCheck("fileName", fileName);
vb.ArgumentRequiredCheck("fileContent", fileContent);
if (vb.Messages.Count > 0)
{
throw new ValidationException(vb.Messages);
}
var file = new CDAPackageFile();
// Indicate that this is a document attachment
file.CDAPackageFileType = CDAPackageFile.FileType.Attachment;
// User specified fields
file.FileName = fileName;
file.FileContent = fileContent;
if (CDADocumentAttachments == null)
{
CDADocumentAttachments = new List <CDAPackageFile>();
}
CDADocumentAttachments.Add(file);
}
/// <summary>
/// Extracts a CDA package zip file without verifying the signature.
/// </summary>
/// <param name="package">A byte array of a CDA package zip file.</param>
/// <returns>A CDAPackage instance constructed from the CDA package zip file.</returns>
public static CDAPackage ExtractAndIgnoreSignatureVerification(byte[] package)
{
CDAPackage extractedPackage = null;
// Validation on package
Validation.ValidateArgumentRequired("package", package);
// Get zip entries in zip package
var inputStream = new MemoryStream(package);
Dictionary <string, byte[]> entries = GetZipEntriesFromZipStream(new ZipArchive(inputStream));
// Check to ensure that there is only one submission set folder
string submissionPath = null;
foreach (var name in entries.Keys)
{
var m = Regex.Match(name, @"^([^/\\]+[/\\][^/\\]+[/\\])[^/\\]+$", RegexOptions.IgnoreCase);
if (m.Success)
{
if (submissionPath == null)
{
submissionPath = m.Groups[1].Value;
}
else if (submissionPath != m.Groups[1].Value)
{
throw new ArgumentException("More than one submission set folder found.");
}
}
}
// Get root document
var rootDoc = entries.FirstOrDefault(a => Regex.IsMatch(a.Key, @"^[^/\\]+[/\\][^/\\]+[/\\]CDA_ROOT.XML$", RegexOptions.IgnoreCase));
if (string.IsNullOrEmpty(rootDoc.Key))
{
throw new ArgumentException("CDA_ROOT.XML not found.");
}
// Get submission set folder
string submissionSetPath = Regex.Match(rootDoc.Key, @"^([^/\\]+[/\\][^/\\]+[/\\])CDA_ROOT.XML$", RegexOptions.IgnoreCase).Groups[1].Value;
var newPackage = new CDAPackage();
newPackage.CDADocumentRoot = new CDAPackageFile();
newPackage.CDADocumentRoot.CDAPackageFileType = CDAPackageFile.FileType.RootDocument;
newPackage.CDADocumentRoot.FileName = rootDoc.Key.Replace(submissionPath, "");
newPackage.CDADocumentRoot.FileContent = rootDoc.Value;
foreach (var entry in entries)
{
if (entry.Key == rootDoc.Key)
{
continue;
}
else if (entry.Key.Equals(submissionPath + "CDA_SIGN.XML", StringComparison.InvariantCultureIgnoreCase))
{
var signature = new CDAPackageFile();
signature.CDAPackageFileType = CDAPackageFile.FileType.Signature;
signature.FileName = entry.Key.Replace(submissionPath, "");
signature.FileContent = entry.Value;
newPackage.CDASignature = signature;
}
else if (entry.Key.StartsWith(submissionPath, true, CultureInfo.InvariantCulture))
{
var attachment = new CDAPackageFile();
attachment.CDAPackageFileType = CDAPackageFile.FileType.Attachment;
attachment.FileName = entry.Key.Replace(submissionPath, "");
attachment.FileContent = entry.Value;
if (newPackage.CDADocumentAttachments == null)
{
newPackage.CDADocumentAttachments = new List <CDAPackageFile>();
}
newPackage.CDADocumentAttachments.Add(attachment);
}
}
extractedPackage = newPackage;
return(extractedPackage);
}
