internal BlobStream(ConnectPackageCreationParameters connectPackageParameters, Blob blob)
{
_connectPackageParameters = connectPackageParameters;
_blob = blob;
_length = blob.ContentLength;
_canWrite = true;
}
private static string WriteConnectPackageParametersXml(
ConnectPackageCreationParameters creationParameters,
PasswordProtectedPackage package)
{
StringBuilder request = new StringBuilder(512);
XmlWriterSettings settings = new XmlWriterSettings();
settings.ConformanceLevel = ConformanceLevel.Fragment;
using (XmlWriter writer = XmlWriter.Create(request, settings))
{
if (creationParameters.IdentityCode != null)
{
writer.WriteElementString("identity-code", creationParameters.IdentityCode);
}
writer.WriteElementString("friendly-name", creationParameters.FriendlyName);
writer.WriteElementString("question", creationParameters.SecurityQuestion);
writer.WriteElementString("external-id", creationParameters.ApplicationPatientId);
writer.WriteRaw(package.GetItemXml("package"));
WritePackageBlobRefUrls(creationParameters.PackageBlobReferenceUrls, writer);
}
return request.ToString();
}
/// <summary>
/// Asks HealthVault to create a pending package for the application specified
/// by the connection with the specified user specific parameters and the pre-allocated
/// identity code.
/// </summary>
///
/// <remarks>
/// The password protected package supports 2 encryption algorithms, AES256 (recommended)
/// and TripleDES.
/// <br/><br/>
/// For AES256, the supported key size is 256 bits, the blocksize is 256 bits, the IV
/// length is 32 bytes.
/// <br/><br/>
/// For TripleDES, the supported key size is 192 bits, the blocksize is 64 bits, the IV
/// length is 8 bytes.
/// <br/><br/>
/// The encryption key should be derived using the answer, the salt, and the number of hash
/// iterations. The decryption will generate this key via the
/// <see cref="Rfc2898DeriveBytes"/> class, hence, encryption should use a similar or
/// identical process. To ensure case-insensitivity, the answer should be converted to its
/// lower cased form using <see cref="String.ToLowerInvariant()"/> (culturally-agnostic)
/// prior to generating the derived key.
/// <br/><br/>
/// The algorithm used has the following parameters:
/// <ul>
/// <li>Mode = CipherMode.CBC</li>
/// <li>Padding = PaddingMode.ISO10126</li>
/// </ul>
/// <br/><br/>
/// The salt supplied is used as the salt to the derived key as well as the key to the
/// supplied HMAC. The salt should be at least 8 bytes long.
/// <br/><br/>
/// It is recommended that the number of hash iterations be at least 10000.
/// </remarks>
///
/// <param name="creationParameters">
/// The parameters to use when creating the package.
/// </param>
///
/// <param name="connectPackage">
/// The pending connect package that the user will add to his/her record.
/// This package's
/// <see cref="HealthRecordItem"/>'s <see cref="BlobStore"/> must be an encrypted
/// blob of xml that represents a list of HealthRecordItems. This xml blob
/// must be a sequence of <thing/> elements, each wrapping the XML representation of a
/// single HealthRecordItem. Each <thing/> element may be generated by calling
/// <see cref="HealthRecordItem.GetItemXml()"/>.
/// </param>
///
/// <returns>
/// A token that the application must give to the patient to use when validating the
/// connection request.
/// </returns>
///
/// <exception cref="HealthServiceException">
/// If an error occurs when contacting HealthVault.
/// </exception>
///
public virtual string CreateConnectPackage(
ConnectPackageCreationParameters creationParameters,
PasswordProtectedPackage connectPackage)
{
Validator.ThrowIfArgumentNull(
connectPackage,
"connectPackage",
"PackageCreatePPPMissingMandatory");
HealthServiceRequest request =
new HealthServiceRequest(creationParameters.Connection, "CreateConnectPackage", 2);
request.Parameters =
WriteConnectPackageParametersXml(
creationParameters,
connectPackage);
request.Execute();
XPathExpression infoPath =
SDKHelper.GetInfoXPathExpressionForMethod(
request.Response.InfoNavigator,
"CreateConnectPackage");
XPathNavigator infoNav = request.Response.InfoNavigator.SelectSingleNode(infoPath);
return infoNav.SelectSingleNode("identity-code").Value;
}
/// <summary>
/// Asks HealthVault to create a pending package for the application specified
/// by the connection with the specified user specific parameters and the pre-allocated
/// identity code.
/// </summary>
///
/// <remarks>
/// The password protected package supports 2 encryption algorithms, AES256 (recommended)
/// and TripleDES.
/// <br/><br/>
/// For AES256, the supported key size is 256 bits, the blocksize is 256 bits, the IV
/// length is 32 bytes.
/// <br/><br/>
/// For TripleDES, the supported key size is 192 bits, the blocksize is 64 bits, the IV
/// length is 8 bytes.
/// <br/><br/>
/// The encryption key should be derived using the answer, the salt, and the number of hash
/// iterations. The decryption will generate this key via the
/// <see cref="Rfc2898DeriveBytes"/> class, hence, encryption should use a similar or
/// identical process. To ensure case-insensitivity, the answer should be converted to its
/// lower cased form using <see cref="String.ToLowerInvariant()"/> (culturally-agnostic)
/// prior to generating the derived key.
/// <br/><br/>
/// The algorithm used has the following parameters:
/// <ul>
/// <li>Mode = CipherMode.CBC</li>
/// <li>Padding = PaddingMode.ISO10126</li>
/// </ul>
/// <br/><br/>
/// The salt supplied is used as the salt to the derived key as well as the key to the
/// supplied HMAC. The salt should be at least 8 bytes long.
/// <br/><br/>
/// It is recommended that the number of hash iterations be at least 10000.
/// </remarks>
///
/// <param name="creationParameters">
/// The parameters to use when creating the package.
/// </param>
///
/// <param name="connectPackage">
/// The pending connect package that the user will add to his/her record.
/// This package's
/// <see cref="HealthRecordItem"/>'s <see cref="BlobStore"/> must be an encrypted
/// blob of xml that represents a list of HealthRecordItems. This xml blob
/// must be a sequence of <thing/> elements, each wrapping the XML representation of a
/// single HealthRecordItem. Each <thing/> element may be generated by calling
/// <see cref="HealthRecordItem.GetItemXml()"/>.
/// </param>
///
/// <returns>
/// A token that the application must give to the patient to use when validating the
/// connection request.
/// </returns>
///
/// <exception cref="HealthServiceException">
/// If an error occurs when contacting HealthVault.
/// </exception>
///
public static string CreateConnectPackage(
ConnectPackageCreationParameters creationParameters,
PasswordProtectedPackage connectPackage)
{
return HealthVaultPlatformPatientConnect.Current.CreateConnectPackage(
creationParameters,
connectPackage);
}
/// <summary>
/// Constructs an instance of the Blob class with the specified values.
/// </summary>
///
/// <param name="name">
/// The name of the BLOB. It can be <see cref="String.Empty"/> but cannot be <b>null</b>.
/// </param>
///
/// <param name="contentType">
/// The content type of the BLOB.
/// </param>
///
/// <param name="currentContentEncoding">
/// The current content encoding of the BLOB or <b>null</b> if the BLOB is not encoded.
/// </param>
///
/// <param name="legacyContentEncoding">
/// The previous content encoding of the BLOB (if any).
/// </param>
///
/// <param name="hashInfo">
/// The hash information for the BLOB.
/// </param>
///
/// <param name="connectPackageParameters">
/// The creation parameters for the <see cref="ConnectPackage"/> that will host the
/// <see cref="HealthRecordItem"/> that contains this blob.
/// </param>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="name"/> or <paramref name="contentType"/>
/// or <paramref name="connectPackageParameters"/> is <b>null</b>.
/// </exception>
///
internal Blob(
string name,
string contentType,
string currentContentEncoding,
string legacyContentEncoding,
BlobHashInfo hashInfo,
ConnectPackageCreationParameters connectPackageParameters)
{
Validator.ThrowIfArgumentNull(name, "name", "StringNull");
Validator.ThrowIfArgumentNull(contentType, "contentType", "StringNull");
Validator.ThrowIfArgumentNull(connectPackageParameters, "connectPackageParameters", "ArgumentNull");
_name = name;
_contentType = contentType;
_contentEncoding = currentContentEncoding;
_legacyContentEncoding = legacyContentEncoding;
_blobHashInfo = hashInfo;
_connectPackageParameters = connectPackageParameters;
}
private static string CreatePackageWithContentsAllParameters(
ConnectPackageCreationParameters creationParameters,
IList<HealthRecordItem> packageContents)
{
// Obtain the data to encrypt
StringBuilder xmlContents = new StringBuilder();
Validator.ThrowArgumentExceptionIf(
packageContents == null || packageContents.Count == 0,
"packageContents",
"PackageCreateHRIMissingMandatory");
for (int i = 0; i < packageContents.Count; ++i)
{
Validator.ThrowArgumentExceptionIf(
packageContents[i] == null,
"packageContents",
"PackageCreateHRIMissingMandatory");
foreach (Blob blob
in packageContents[i].GetBlobStore(
default(HealthRecordAccessor)).Values)
{
if (blob.Url != null)
{
if (packageContents[i].HealthRecordItemSignatures.Count > 0)
{
throw Validator.NotSupportedException("PackageCreateSignedWithStreamedBlobsNotSupported");
}
creationParameters.PackageBlobReferenceUrls.Add(blob.Url);
}
}
xmlContents.Append(packageContents[i].GetItemXml());
}
string dataToEncrypt = xmlContents.ToString();
// Uses AES256 by default
PasswordProtectedPackage connectPackage =
new PasswordProtectedPackage(
creationParameters.PasswordProtectAlgorithm,
creationParameters.Salt,
creationParameters.ConnectPackageEncryptionAlgorithm.KeySize);
byte[] encryptedData =
SignAndEncrypt(
dataToEncrypt,
creationParameters.ConnectPackageHMACAlgorithm,
creationParameters.ConnectPackageEncryptionAlgorithm);
BlobStore store = connectPackage.GetBlobStore(default(HealthRecordAccessor));
store.WriteInline(String.Empty, "application/octet-stream", encryptedData);
return HealthVaultPlatform.CreateConnectPackage(
creationParameters,
connectPackage);
}
/// <summary>
/// Asks HealthVault to create a pending package for the application specified
/// by the connection with the specified user specific parameters.
/// </summary>
///
/// <remarks>
/// The encryption is delegated to the .NET Crypto classes. The encryption algorithm
/// supported by default is AES256. If TripleDES is required, the caller should create
/// the custom Password Protected Package and call <see cref="Create(Microsoft.Health.Web.OfflineWebApplicationConnection, string, string, string, Microsoft.Health.ItemTypes.PasswordProtectedPackage)"/>.
/// <br/><br/>
/// The answer key provided is not the actual key to the decryption. A key is derived using
/// the answer, the salt, and the number of hash iterations (via the
/// <see cref="Rfc2898DeriveBytes"/> class). To ensure case-insensitivity, the answer
/// is lower cased using <see cref="String.ToLowerInvariant()"/> (culturally-agnostic)
/// prior to generating the derived key.
/// <br/><br/>
/// The algorithm used has the following parameters:
/// <ul>
/// <li>Mode = CipherMode.CBC</li>
/// <li>Padding = PaddingMode.ISO10126</li>
/// </ul>
/// <br/><br/>
/// The salt supplied is used as the salt to the derived key as well as the key to the
/// supplied HMAC. The data must be appended to the hash, then encrypted and then Base64
/// encoded.
/// </remarks>
///
/// <param name="connection">
/// The application connection to HealthVault. The application ID in the connection is used
/// when making the patient connection.
/// </param>
///
/// <param name="identityCode">
/// The application unique identifier of the package.
/// </param>
///
/// <param name="friendlyName">
/// A friendly name for the patient connection which will be shown to the user when they
/// go to HealthVault Shell to validate the connection.
/// </param>
///
/// <param name="securityQuestion">
/// A question (usually provided by the patient) to which the patient must provide the
/// <paramref name="securityAnswer"/> when they go to validate the connection in
/// the HealthVault Shell.
/// </param>
///
/// <param name="securityAnswer">
/// The answer to the <paramref name="securityQuestion"/> which the patient must use
/// when adding the package to their record via HealthVault Shell. The answer is
/// case-insensitive but otherwise must match exactly. Additionally, it must be at least
/// 6 characters long.
/// </param>
///
/// <param name="applicationPatientId">
/// The application specific identifier for the user. This identifier is used to uniquely
/// identify the user in the application data storage, whereas the HealthVault person ID is
/// used to identify the person in HealthVault.
/// </param>
///
/// <param name="packageContents">
/// The list of HealthRecordItems that will be encrypted and added to the package that the
/// user will claim via HealthVault Shell.
/// </param>
///
/// <returns>
/// A token that the application must give to the patient to use when validating the
/// connection request.
/// </returns>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="connection"/> is <b>null</b>.
/// </exception>
///
/// <exception cref="ArgumentException">
/// If <paramref name="identityCode"/>, <paramref name="friendlyName"/>, <paramref name="securityQuestion"/>,
/// <paramref name="securityAnswer"/>, <paramref name="applicationPatientId"/> or
/// any element in <paramref name="packageContents"/> are
/// <b>null</b> or empty.
/// </exception>
///
/// <exception cref="ArgumentOutOfRangeException">
/// If <paramref name="securityAnswer"/> is less than 6 characters.
/// </exception>
///
/// <exception cref="NotSupportedException">
/// One of the items in <paramref name="packageContents"/> is signed and contains
/// streamed blobs. This is not supported.
/// </exception>
///
/// <exception cref="HealthServiceException">
/// If an error occurs when contacting HealthVault.
/// </exception>
///
public static string CreatePackage(
OfflineWebApplicationConnection connection,
string identityCode,
string friendlyName,
string securityQuestion,
string securityAnswer,
string applicationPatientId,
IList<HealthRecordItem> packageContents)
{
ConnectPackageCreationParameters creationParameters =
new ConnectPackageCreationParameters(
connection,
identityCode,
friendlyName,
securityQuestion,
securityAnswer,
applicationPatientId);
return CreatePackageWithContentsAllParameters(
creationParameters,
packageContents);
}
/// <summary>
/// Asks HealthVault to create a pending package for the application specified
/// by the connection with the specified user specific parameters and the pre-allocated
/// identity code.
/// </summary>
///
/// <remarks>
/// The password protected package supports 2 encryption algorithms, AES256 (recommended)
/// and TripleDES.
/// <br/><br/>
/// For AES256, the supported key size is 256 bits, the blocksize is 256 bits, the IV
/// length is 32 bytes.
/// <br/><br/>
/// For TripleDES, the supported key size is 192 bits, the blocksize is 64 bits, the IV
/// length is 8 bytes.
/// <br/><br/>
/// The encryption key should be derived using the answer, the salt, and the number of hash
/// iterations. The decryption will generate this key via the
/// <see cref="Rfc2898DeriveBytes"/> class, hence, encryption should use a similar or
/// identical process. To ensure case-insensitivity, the answer should be converted to its
/// lower cased form using <see cref="String.ToLowerInvariant()"/> (culturally-agnostic)
/// prior to generating the derived key.
/// <br/><br/>
/// The algorithm used has the following parameters:
/// <ul>
/// <li>Mode = CipherMode.CBC</li>
/// <li>Padding = PaddingMode.ISO10126</li>
/// </ul>
/// <br/><br/>
/// The salt supplied is used as the salt to the derived key as well as the key to the
/// supplied HMAC. The salt should be at least 8 bytes long.
/// <br/><br/>
/// It is recommended that the number of hash iterations be at least 10000.
/// </remarks>
///
/// <param name="connection">
/// The application connection to HealthVault. The application ID in the connection is used
/// when making the patient connection.
/// </param>
///
/// <param name="identityCode">
/// A package identity token previously obtained from <see cref="ConnectPackage.AllocatePackageId"/>.
/// </param>
///
/// <param name="friendlyName">
/// A friendly name for the patient connection which will be shown to the user when they
/// go to HealthVault Shell to validate the connection.
/// </param>
///
/// <param name="securityQuestion">
/// A question (usually provided by the patient) to which the patient must provide the
/// answer when they go to validate the connection in the
/// HealthVault Shell.
/// </param>
///
/// <param name="applicationPatientId">
/// The application specific identifier for the user. This identifier is used to uniquely
/// identify the user in the application data storage whereas the HealthVault person ID is
/// used to identify the person in HealthVault.
/// </param>
///
/// <param name="connectPackage">
/// The pending connect package that the user will add to his/her record.
/// This package's
/// <see cref="HealthRecordItem"/>'s <see cref="BlobStore"/> must be an encrypted
/// blob of xml that represents a list of HealthRecordItems. This xml blob
/// must be a sequence of <thing/> elements, each wrapping the XML representation of a
/// single HealthRecordItem. Each <thing/> element may be generated by calling
/// <see cref="HealthRecordItem.GetItemXml()"/>.
/// </param>
///
/// <returns>
/// A token that the application must give to the patient to use when validating the
/// connection request.
/// </returns>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="connection"/> is <b>null</b>.
/// </exception>
///
/// <exception cref="ArgumentException">
/// If <paramref name="identityCode"/>, <paramref name="friendlyName"/>,
/// <paramref name="securityQuestion"/>,
/// <paramref name="applicationPatientId"/>, or <paramref name="connectPackage"/> is
/// <b>null</b> or empty.
/// </exception>
///
/// <exception cref="HealthServiceException">
/// If an error occurs when contacting HealthVault.
/// </exception>
///
public static string Create(
OfflineWebApplicationConnection connection,
string identityCode,
string friendlyName,
string securityQuestion,
string applicationPatientId,
PasswordProtectedPackage connectPackage)
{
Validator.ThrowIfStringNullOrEmpty(identityCode, "identityCode");
ConnectPackageCreationParameters creationParameters =
new ConnectPackageCreationParameters(
connection,
identityCode,
friendlyName,
securityQuestion,
null,
applicationPatientId,
false,
true);
return HealthVaultPlatform.CreateConnectPackage(
creationParameters,
connectPackage);
}
/// <summary>
/// Asks HealthVault to create a pending package for the application specified
/// by the connection with the specified user specific parameters.
/// </summary>
///
/// <remarks>
/// The password protected package supports 2 encryption algorithms, AES256 (recommended)
/// and TripleDES.
/// <br/><br/>
/// For AES256, the supported key size is 256 bits, the blocksize is 256 bits, the IV
/// length is 32 bytes.
/// <br/><br/>
/// For TripleDES, the supported key size is 192 bits, the blocksize is 64 bits, the IV
/// length is 8 bytes.
/// <br/><br/>
/// The encryption key should be derived using the answer, the salt, and the number of hash
/// iterations. The decryption will generate this key via the
/// <see cref="Rfc2898DeriveBytes"/> class, hence, encryption should use a similar or
/// identical process. To ensure case-insensitivity, the answer should be converted to its
/// lower cased form using <see cref="String.ToLowerInvariant()"/> (culturally-agnostic)
/// prior to generating the derived key.
/// <br/><br/>
/// The algorithm used has the following parameters:
/// <ul>
/// <li>Mode = CipherMode.CBC</li>
/// <li>Padding = PaddingMode.ISO10126</li>
/// </ul>
/// <br/><br/>
/// The salt supplied is used as the salt to the derived key as well as the key to the
/// supplied HMAC. The salt should be at least 8 bytes long.
/// <br/><br/>
/// It is recommended that the number of hash iterations be at least 10000.
/// </remarks>
///
/// <param name="connection">
/// The application connection to HealthVault. The application ID in the connection is used
/// when making the patient connection.
/// </param>
///
/// <param name="friendlyName">
/// A friendly name for the patient connection which will be shown to the user when they
/// go to HealthVault Shell to validate the connection.
/// </param>
///
/// <param name="securityQuestion">
/// A question (usually provided by the patient) to which the patient must provide the
/// answer when they go to validate the connection in the
/// HealthVault Shell.
/// </param>
///
/// <param name="applicationPatientId">
/// The application specific identifier for the user. This identifier is used to uniquely
/// identify the user in the application data storage whereas the HealthVault person ID is
/// used to identify the person in HealthVault.
/// </param>
///
/// <param name="connectPackage">
/// The pending connect package that the user will add to his/her record. This package's
/// <see cref="Blob"/> must be an encrypted and Base64
/// encoded blob of xml that represents a list of HealthRecordItems. This xml blob
/// must be a sequence of <thing/> elements, each wrapping the XML representation of a
/// single HealthRecordItem. Each <thing/> element may be generated by calling
/// <see cref="HealthRecordItem.GetItemXml()"/>.
/// </param>
///
/// <returns>
/// A token that the application must give to the patient to use when validating the
/// connection request.
/// </returns>
///
/// <exception cref="ArgumentNullException">
/// If <paramref name="connection"/> is <b>null</b>.
/// </exception>
///
/// <exception cref="ArgumentException">
/// If <paramref name="friendlyName"/>, <paramref name="securityQuestion"/>,
/// <paramref name="applicationPatientId"/>, or <paramref name="connectPackage"/> is
/// <b>null</b> or empty.
/// </exception>
///
/// <exception cref="HealthServiceException">
/// If an error occurs when contacting HealthVault.
/// </exception>
///
public static string Create(
OfflineWebApplicationConnection connection,
string friendlyName,
string securityQuestion,
string applicationPatientId,
PasswordProtectedPackage connectPackage)
{
ConnectPackageCreationParameters creationParameters =
new ConnectPackageCreationParameters(
connection,
null,
friendlyName,
securityQuestion,
null,
applicationPatientId,
false,
false);
return HealthVaultPlatform.CreateConnectPackage(
creationParameters,
connectPackage);
}
/// <summary>
/// Represents a package of user data that is created by HealthVault in order
/// to be retrieved by a user using the HealthVault Shell.
/// </summary>
///
/// <remarks>
/// Package encryption is delegated to the .NET Crypto classes. The encryption algorithm
/// supported by default is AES256. If TripleDES is required, the caller should create
/// the custom Password Protected Package and call <see cref="Create(Microsoft.Health.Web.OfflineWebApplicationConnection, string, string, string, Microsoft.Health.ItemTypes.PasswordProtectedPackage)"/>.
/// <br/><br/>
/// The answer key provided is not the actual key to the decryption. A key is derived using
/// the answer, the salt, and the number of hash iterations (via the
/// <see cref="Rfc2898DeriveBytes"/> class). To ensure case-insensitivity, the answer
/// is lower cased using <see cref="String.ToLowerInvariant()"/> (culturally-agnostic)
/// prior to generating the derived key.
/// <br/><br/>
/// The algorithm used has the following parameters:
/// <ul>
/// <li>Mode = CipherMode.CBC</li>
/// <li>Padding = PaddingMode.ISO10126</li>
/// </ul>
/// <br/><br/>
/// The salt supplied is used as the salt to the derived key as well as the key to the
/// supplied HMAC. The data must be appended to the hash, then encrypted and then Base64
/// encoded.
/// </remarks>
///<param name="creationParameters">
/// The <see cref="ConnectPackageCreationParameters"/> to be used while creating the
/// connect package.
///</param>
///
/// <param name="packageContents">
/// The list of HealthRecordItems that will be encrypted and added to the package that the
/// user will claim via HealthVault Shell.
/// </param>
///
/// <exception cref="NotSupportedException">
/// One of the items in <paramref name="packageContents"/> is signed and contains
/// streamed blobs. This is not supported.
/// </exception>
///
/// <exception cref="HealthServiceException">
/// If an error occurs when contacting HealthVault.
/// </exception>
///
/// <returns>
/// A token that the application must give to the patient to use when validating the
/// connection request.
/// </returns>
///
public static string Create(
ConnectPackageCreationParameters creationParameters,
IList<HealthRecordItem> packageContents)
{
return CreatePackageWithContentsAllParameters(
creationParameters,
packageContents);
}