/// <summary>Creates a user credential from JSON data.</summary>
private static UserCredential CreateUserCredentialFromParameters(JsonCredentialParameters credentialParameters)
{
if (credentialParameters.Type != JsonCredentialParameters.AuthorizedUserCredentialType ||
string.IsNullOrEmpty(credentialParameters.ClientId) ||
string.IsNullOrEmpty(credentialParameters.ClientSecret))
{
throw new InvalidOperationException("JSON data does not represent a valid user credential.");
}
var token = new TokenResponse
{
RefreshToken = credentialParameters.RefreshToken
};
var initializer = new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = new ClientSecrets
{
ClientId = credentialParameters.ClientId,
ClientSecret = credentialParameters.ClientSecret
},
ProjectId = credentialParameters.ProjectId
};
var flow = new GoogleAuthorizationCodeFlow(initializer);
return(new UserCredential(flow, "ApplicationDefaultCredentials", token));
}
/// <summary>Creates a <see cref="ServiceAccountCredential"/> from JSON data.</summary>
private static ServiceAccountCredential CreateServiceAccountCredentialFromParameters(
JsonCredentialParameters credentialParameters)
{
if (credentialParameters.Type != JsonCredentialParameters.ServiceAccountCredentialType ||
string.IsNullOrEmpty(credentialParameters.ClientEmail) ||
string.IsNullOrEmpty(credentialParameters.PrivateKey))
{
throw new InvalidOperationException("JSON data does not represent a valid service account credential.");
}
var initializer = new ServiceAccountCredential.Initializer(credentialParameters.ClientEmail);
initializer.ProjectId = credentialParameters.ProjectId;
return(new ServiceAccountCredential(initializer.FromPrivateKey(credentialParameters.PrivateKey)));
}
/// <summary>Creates a default credential from JSON data.</summary>
private static GoogleCredential CreateDefaultCredentialFromParameters(JsonCredentialParameters credentialParameters)
{
switch (credentialParameters.Type)
{
case JsonCredentialParameters.AuthorizedUserCredentialType:
return(new GoogleCredential(CreateUserCredentialFromParameters(credentialParameters)));
case JsonCredentialParameters.ServiceAccountCredentialType:
return(GoogleCredential.FromServiceAccountCredential(
CreateServiceAccountCredentialFromParameters(credentialParameters)));
default:
throw new InvalidOperationException(
String.Format("Error creating credential from JSON. Unrecognized credential type {0}.",
credentialParameters.Type));
}
}