/// <summary>
/// Adds a provider to decrypt keys in the appsettings.json file.
/// </summary>
/// <param name="builder">A ConfigurationBuilder instance.</param>
/// <param name="configAction">An action used to configure the configuration source.</param>
/// <returns>The current ConfigurationBuilder instance.</returns>
public static IConfigurationBuilder AddEncryptedAppSettings(
this IConfigurationBuilder builder, Action <EncryptedJsonConfigSource> configAction)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
var configSource = new EncryptedJsonConfigSource {
Path = "appsettings.json"
};
configAction?.Invoke(configSource);
return(AddEncryptedJsonConfig(builder, configSource));
}
/// <summary>
/// Adds a provider to decrypt keys in the given json config file.
/// </summary>
/// <param name="builder">A ConfigurationBuilder instance.</param>
/// <param name="configAction">An action used to configure the configuration source.</param>
/// <returns>The current ConfigurationBuilder instance.</returns>
public static IConfigurationBuilder AddEncryptedJsonConfig(
this IConfigurationBuilder builder, Action <EncryptedJsonConfigSource> configAction)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
var configSource = new EncryptedJsonConfigSource();
configAction?.Invoke(configSource);
InitializeCertificateLoader(configSource);
builder.Add(configSource);
return(builder);
}
/// <summary>
/// Adds a provider to decrypt keys in the appsettings.json file.
/// </summary>
/// <param name="builder">A ConfigurationBuilder instance.</param>
/// <param name="configAction">An action used to configure the configuration source.</param>
/// <returns>The current ConfigurationBuilder instance.</returns>
public static IConfigurationBuilder AddEncryptedAppSettings(
this IConfigurationBuilder builder, Action <EncryptedJsonConfigSource> configAction)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
var configSource = new EncryptedJsonConfigSource {
Path = "appsettings.json"
};
configAction(configSource);
InitializeCertificateLoader(configSource);
builder.Add(configSource);
return(builder);
}
/// <summary>
/// Adds a provider to decrypt keys in the appsettings.json and the corresponding environment appsettings files.
/// </summary>
/// <param name="builder">A ConfigurationBuilder instance.</param>
/// <param name="configAction">An action used to configure the configuration source.</param>
/// <param name="hostEnvironment">The current host environment. Used to add environment specific appsettings files. (appsettings.Development.json, appsettings.Production.json)</param>
/// <returns>The current ConfigurationBuilder instance.</returns>
public static IConfigurationBuilder AddEncryptedAppSettings(
this IConfigurationBuilder builder, IHostEnvironment hostEnvironment, Action <EncryptedJsonConfigSource> configAction)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
var appSettingSource = new EncryptedJsonConfigSource {
Path = "appsettings.json"
};
var environmentSource = new EncryptedJsonConfigSource {
Path = $"appsettings.{hostEnvironment.EnvironmentName}.json", Optional = true
};
configAction?.Invoke(appSettingSource);
configAction?.Invoke(environmentSource);
AddEncryptedJsonConfig(builder, appSettingSource);
AddEncryptedJsonConfig(builder, environmentSource);
return(builder);
}
private static void InitializeCertificateLoader(EncryptedJsonConfigSource config)
{
if (!string.IsNullOrEmpty(config.CertificatePath))
{
config.CertificateLoader = new FilesystemCertificateLoader(config.CertificatePath);
}
else if (!string.IsNullOrEmpty(config.CertificateSubjectName))
{
config.CertificateLoader = new StoreCertificateLoader(config.CertificateSubjectName);
}
if (config.CertificateLoader == null)
{
throw new InvalidOperationException(
"Either CertificatePath or CertificateSubjectName has to be provided if CertificateLoader has not been set manually.");
}
if (string.IsNullOrEmpty(config.Path))
{
throw new InvalidOperationException(
"The \"Path\" property has to be set to the path of a config file.");
}
}
/// <summary>
/// Adds a provider to decrypt keys in the given json config file by using the passed EncryptedJsonConfigSource.
/// </summary>
/// <param name="builder">A ConfigurationBuilder instance.</param>
/// <param name="configSource">The fully configured config source.</param>
/// <returns>The current ConfigurationBuilder instance.</returns>
public static IConfigurationBuilder AddEncryptedJsonConfig(this IConfigurationBuilder builder, EncryptedJsonConfigSource configSource)
{
InitializeCertificateLoader(configSource);
builder.Add(configSource);
return(builder);
}