/// <summary>
/// Show current setup
/// </summary>
/// <param name="config">Config</param>
/// <param name="args">CMD Args</param>
/// <param name="provider">Provider</param>
/// <returns>Exit code</returns>
private static int ShowInfo(Data.MailiasConfig config, Args args, Data.IProvider provider)
{
CoEx.WriteLine($"Used Provider: {config.Provider}");
CoEx.WriteLine($"Mail Domain: {config.MailDomain}");
CoEx.WriteLine($"Alias Target: {config.TargetAddress}");
CoEx.WriteLine($"Prefix: {config.Prefix}");
CoEx.WriteLine($"Code Length: {config.UniqeIdLength}");
return(0);
}
/// <summary>
/// Create a provider instance
/// </summary>
/// <param name="config">Config</param>
/// <returns>The created provider</returns>
private static Data.IProvider CreateProvider(Data.MailiasConfig config)
{
Data.IProvider provider = Providers.SingleOrDefault(p => p.ProviderKey == config.Provider);
if (provider == null)
{
return(null);
}
provider.Configure(config);
return(provider);
}
/// <summary>
/// Load the application configuration file
/// ~/malias.json
/// </summary>
/// <returns>Deserialized configuration</returns>
private static Data.MailiasConfig LoadConfiguration()
{
var configFile = GetConfigPath();
// create empty config if the file does not exists
if (!File.Exists(configFile))
{
var emptyConfig = new Data.MailiasConfig();
var emptyConfigText = NewJson.JsonConvert.SerializeObject(emptyConfig, NewJson.Formatting.Indented);
File.WriteAllText(configFile, emptyConfigText);
}
// Parse config
var configBuilder = new ConfigurationBuilder()
.AddJsonFile(configFile, false, false)
.Build();
return(configBuilder.Get <Data.MailiasConfig>());
}
/// <summary>
/// List existing aliases
/// </summary>
/// <param name="config">Config</param>
/// <param name="args">CMD Args</param>
/// <param name="provider">Provider</param>
/// <returns>Exit Code</returns>
private static async Task <int> ListAliases(Data.MailiasConfig config, Args args, Data.IProvider provider)
{
// Table header
var header = new string[] { "Source", "Targets" };
// Convert the alias items into table rows
var aliases = (await provider.GetAliases(config))
.Select(a => a.SourceAddress)
.ToList();
if (aliases.Count > 0)
{
CoEx.WriteLine(string.Join(Environment.NewLine, aliases));
return(0);
}
else
{
// no aliases found
return(1);
}
}
/// <summary>
/// Delete an existing alias
/// </summary>
/// <param name="config">Config</param>
/// <param name="args">CMD Args</param>
/// <param name="provider">Provider</param>
/// <returns>Exit Code</returns>
private static async Task <int> DeleteAlias(Data.MailiasConfig config, Args args, Data.IProvider provider)
{
var exists = (await provider.GetAliases(config))
.Any(alias => alias.SourceAddress == args.DeleteAlias);
if (exists)
{
if (args.Force || YesNo("Really delete alias '" + args.DeleteAlias + "'?"))
{
var result = await provider.DeleteAliasAddress(args.DeleteAlias);
if (result == Data.DeleteResult.Success)
{
return(0);
}
if (!args.Silent)
{
CoEx.WriteLine("Delete failed.");
}
return(1);
}
else
{
return(0);
}
}
else
{
if (!args.Silent)
{
CoEx.WriteLine("Alias not found or didn't match the format of an alias which was created with this application.");
}
return(1);
}
}
/// <summary>
/// Create an alias
/// </summary>
/// <param name="config">Config</param>
/// <param name="args">CMD Args</param>
/// <param name="provider">Provider</param>
/// <returns>Exit code</returns>
private static async Task <int> CreateAlias(Data.MailiasConfig config, Args args, Data.IProvider provider)
{
// Create a new random id
var chars = "abcdefghijklmnopqrstuvwxyz0123456789";
var builder = new StringBuilder();
var random = new Random();
while (builder.Length < config.UniqeIdLength)
{
var index = random.Next(0, chars.Length - 1);
builder.Append(chars[index]);
}
// Build the email address
var prefix = string.IsNullOrWhiteSpace(config.Prefix) ? "" : config.Prefix + ".";
var key = builder.ToString();
var mailAddress = $"{prefix}{args.CreateName}.{key}@{config.MailDomain}";
// Check if the email address already exists
var exists = (await provider.GetAliases(config))
.FirstOrDefault(a => a.SourceAddress.StartsWith($"{prefix}{args.CreateName}."));
if (exists != null && args.Force == false)
{
if (!YesNo($"There is already an alias ({exists.SourceAddress}) with this name. Proceed?"))
{
return(1);
}
}
// Delete the existing alias
if (exists != null && args.DeleteExisting)
{
if (args.Force || YesNo($"Dou you want do delete the existing alias '{exists.SourceAddress}', before creating a new one?"))
{
var deleteExistingResult = await provider.DeleteAliasAddress(exists.SourceAddress);
if (deleteExistingResult != Data.DeleteResult.Success && !args.Silent)
{
CoEx.WriteLine("Deleting existing alias failed.");
return(1);
}
}
}
// Create the new alias
var result = await provider.CreateAlias(mailAddress, config.TargetAddress);
if (result == Data.CreateResult.Success || result == Data.CreateResult.AlreadyExists)
{
CoEx.WriteLine(mailAddress);
return(0);
}
else
{
if (!args.Silent)
{
CoEx.WriteLine("Creation failed.");
}
return(1);
}
}