/// <summary>
/// Converts a given identifier to its secure equivalent.
/// UriIdentifiers originally created with an implied HTTP scheme change to HTTPS.
/// Discovery is made to require SSL for the entire resolution process.
/// </summary>
/// <param name="secureIdentifier">The newly created secure identifier.
/// If the conversion fails, <paramref name="secureIdentifier"/> retains
/// <i>this</i> identifiers identity, but will never discover any endpoints.</param>
/// <returns>
/// True if the secure conversion was successful.
/// False if the Identifier was originally created with an explicit HTTP scheme.
/// </returns>
internal override bool TryRequireSsl(out Identifier secureIdentifier)
{
// If this Identifier is already secure, reuse it.
if (IsDiscoverySecureEndToEnd)
{
secureIdentifier = this;
return(true);
}
// If this identifier already uses SSL for initial discovery, return one
// that guarantees it will be used throughout the discovery process.
if (string.Equals(Uri.Scheme, Uri.UriSchemeHttps, StringComparison.OrdinalIgnoreCase))
{
secureIdentifier = new UriIdentifier(this.Uri, true);
return(true);
}
// Otherwise, try to make this Identifier secure by normalizing to HTTPS instead of HTTP.
if (this.SchemeImplicitlyPrepended)
{
UriBuilder newIdentifierUri = new UriBuilder(this.Uri);
newIdentifierUri.Scheme = Uri.UriSchemeHttps;
if (newIdentifierUri.Port == 80)
{
newIdentifierUri.Port = 443;
}
secureIdentifier = new UriIdentifier(newIdentifierUri.Uri, true);
return(true);
}
// This identifier is explicitly NOT https, so we cannot change it.
secureIdentifier = new NoDiscoveryIdentifier(this, true);
return(false);
}
/// <summary>
/// Converts a given identifier to its secure equivalent.
/// UriIdentifiers originally created with an implied HTTP scheme change to HTTPS.
/// Discovery is made to require SSL for the entire resolution process.
/// </summary>
/// <param name="secureIdentifier">The newly created secure identifier.
/// If the conversion fails, <paramref name="secureIdentifier"/> retains
/// <i>this</i> identifiers identity, but will never discover any endpoints.</param>
/// <returns>
/// True if the secure conversion was successful.
/// False if the Identifier was originally created with an explicit HTTP scheme.
/// </returns>
internal override bool TryRequireSsl(out Identifier secureIdentifier) {
// If this Identifier is already secure, reuse it.
if (IsDiscoverySecureEndToEnd) {
secureIdentifier = this;
return true;
}
// If this identifier already uses SSL for initial discovery, return one
// that guarantees it will be used throughout the discovery process.
if (string.Equals(Uri.Scheme, Uri.UriSchemeHttps, StringComparison.OrdinalIgnoreCase)) {
secureIdentifier = new UriIdentifier(this.Uri, true);
return true;
}
// Otherwise, try to make this Identifier secure by normalizing to HTTPS instead of HTTP.
if (this.SchemeImplicitlyPrepended) {
UriBuilder newIdentifierUri = new UriBuilder(this.Uri);
newIdentifierUri.Scheme = Uri.UriSchemeHttps;
if (newIdentifierUri.Port == 80) {
newIdentifierUri.Port = 443;
}
secureIdentifier = new UriIdentifier(newIdentifierUri.Uri, true);
return true;
}
// This identifier is explicitly NOT https, so we cannot change it.
secureIdentifier = new NoDiscoveryIdentifier(this, true);
return false;
}
