/// <summary>
/// Plugin providers are entered loaded the same way as other nuget extensions,
/// matching any extension named CredentialProvider.*.exe.
/// </summary>
/// <returns>An enumeration of plugin providers</returns>
public ICredentialProvider GetProvider()
{
this._initializer();
ICredentialProvider result = null;
if (ImportedProvider != null)
{
result = new VsCredentialProviderAdapter(ImportedProvider);
}
// Dev15+ will provide a credential provider for VSTS.
// If we are in Dev14, and no imported VSTS provider is found,
// then fallback on the built-in VisualStudioAccountProvider
if (result == null && IsDev14)
{
// Handle any type load exception constructing the provider
try
{
result = this._fallbackProviderFactory();
}
catch (Exception e) when(e is BadImageFormatException || e is FileLoadException)
{
this._errorDelegate(string.Format(Resources.VsCredentialProviderImporter_LoadErrorFormat, e.Message));
}
}
return(result);
}
/// <summary>
/// Plugin providers are entered loaded the same way as other nuget extensions,
/// matching any extension named CredentialProvider.*.exe.
/// </summary>
/// <returns>An enumeration of plugin providers</returns>
public ICredentialProvider GetProvider()
{
ICredentialProvider result = null;
try
{
_initializer();
if (ImportedProvider != null)
{
result = new VsCredentialProviderAdapter(ImportedProvider);
}
// Dev15+ will provide a credential provider for VSTS.
// If we are in Dev14, and no imported VSTS provider is found,
// then fallback on the built-in VisualStudioAccountProvider
if (result == null && IsDev14)
{
// Handle any type load exception constructing the provider
try
{
result = _fallbackProviderFactory();
}
catch (Exception e) when
(e is BadImageFormatException ||
e is FileLoadException ||
e is TypeLoadException)
{
_errorDelegate(string.Format(Resources.VsCredentialProviderImporter_LoadErrorFormat,
e.Message));
}
}
}
catch (Exception e)
{
// Typicall catching all exceptions is discuraged however the code calling this method
// is in the initialization of NuGet and is checking for the existance of a credential
// provider. Crashing here is crashing at the NuGet startup in the IDE. Considering
// the scenario is not close to 100% of the NuGet usage scenarios catching the exception
// writting the error and proceeding without the provider is a safer option.
_errorDelegate(string.Format(Resources.VsCredentialProviderImport_GenericError,
e.Message));
}
return(result);
}