private AdminLinkProviderForUserResponse LinkProviderToExistingUser(
dynamic input,
string provider,
string id,
UserType existingUser)
{
//Link the incoming identity to the existing user. Will add an "identity" to the "Identities" array, and allow the existing user to login using the new social login
var linkResponse = _client.AdminLinkProviderForUserAsync(
new AdminLinkProviderForUserRequest
{
UserPoolId = input.userPoolId,
SourceUser = new ProviderUserIdentifierType
{
ProviderName = provider,
ProviderAttributeName = "Cognito_Subject",
ProviderAttributeValue = id
},
DestinationUser = new ProviderUserIdentifierType
{
ProviderName = "Cognito",
ProviderAttributeValue = existingUser.Username
}
}).Result;
return(linkResponse);
}