public async Task AuthorizeRestRequestAsync(HttpRequestMessage message, Guid recordId)
{
// Ensure we're authenticated
await AuthenticateAsync().ConfigureAwait(false);
if (SessionCredential.IsExpired())
{
await RefreshSessionAsync(CancellationToken.None).ConfigureAwait(false);
}
var parts = new List <string>
{
$"app-token={SessionCredential.Token}"
};
string connectionHeader = GetPlatformSpecificRestAuthHeaderPortion();
if (!string.IsNullOrEmpty(connectionHeader))
{
parts.Add(connectionHeader);
}
if (recordId != Guid.Empty)
{
parts.Add($"record-id={recordId}");
}
message.Headers.Authorization = new AuthenticationHeaderValue("MSH-V1", string.Join(",", parts));
}
private static void GetTokenByParseResponse(
XPathNodeIterator navTokenIterator,
SessionCredential sessionCredential)
{
foreach (XPathNavigator tokenNav in navTokenIterator)
{
sessionCredential.Token = tokenNav.Value;
}
}
private SessionCredential GetSessionCredential(HealthServiceResponseData responseData)
{
if (responseData == null)
{
throw new ArgumentNullException($"{nameof(responseData)}");
}
SessionCredential sessionCredential = GetAuthenticationToken(responseData.InfoNavigator);
// TODO: Update with returned expiry when #55406 is completed. 4h is the default HealthVault token expiry time
sessionCredential.ExpirationUtc = DateTimeOffset.UtcNow.AddHours(4);
return(sessionCredential);
}
/// <summary>
/// Extracts the authentication token from the response XML.
/// </summary>
///
///
/// <param name="nav">
/// The path to the token.
/// </param>
///
private SessionCredential GetAuthenticationToken(
XPathNavigator nav)
{
SessionCredential sessionCredential = new SessionCredential();
XPathExpression authTokenPath = GetAuthTokenXPath(nav);
XPathNodeIterator navTokenIterator = nav.Select(authTokenPath);
GetTokenByParseResponse(navTokenIterator, sessionCredential);
XPathNavigator sharedSecret = nav.SelectSingleNode("shared-secret");
sessionCredential.SharedSecret = sharedSecret.Value;
return(sessionCredential);
}
