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using PKISharp.WACS.DomainObjects;
using PKISharp.WACS.Extensions;
using PKISharp.WACS.Plugins.Base.Factories;
using PKISharp.WACS.Services;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
namespace PKISharp.WACS.Plugins.ValidationPlugins.Dns
{
internal class ScriptOptionsFactory : ValidationPluginOptionsFactory<Script, ScriptOptions>
{
private readonly ILogService _log;
private readonly IArgumentsService _arguments;
public override bool Match(string name)
{
switch (name.ToLowerInvariant())
{
case "dnsscript":
return true;
default:
return base.Match(name);
}
}
public ScriptOptionsFactory(ILogService log, IArgumentsService arguments) : base(Constants.Dns01ChallengeType)
{
_log = log;
_arguments = arguments;
}
public override async Task<ScriptOptions?> Aquire(Target target, IInputService input, RunLevel runLevel)
{
var args = _arguments.GetArguments<ScriptArguments>();
var ret = new ScriptOptions();
string? createScript = null;
do
{
createScript = await _arguments.TryGetArgument(args?.DnsCreateScript, input, "Path to script that creates DNS records");
}
while (!createScript.ValidFile(_log));
string? deleteScript = null;
var chosen = await input.ChooseFromMenu(
"How to delete records after validation",
new List<Choice<Func<Task>>>()
{
Choice.Create<Func<Task>>(() => {
deleteScript = createScript;
return Task.CompletedTask;
}, "Using the same script"),
Choice.Create<Func<Task>>(async () => {
do {
deleteScript = await _arguments.TryGetArgument(
args?.DnsDeleteScript,
input,
"Path to script that deletes DNS records");
}
while (!deleteScript.ValidFile(_log));
}, "Using a different script"),
Choice.Create<Func<Task>>(() => Task.CompletedTask, "Do not delete")
});
await chosen.Invoke();
ProcessScripts(ret, null, createScript, deleteScript);
input.Show("{Identifier}", "Domain that's being validated");
input.Show("{RecordName}", "Full TXT record name");
input.Show("{Token}", "Expected value in the TXT record");
var createArgs = await _arguments.TryGetArgument(args?.DnsCreateScriptArguments, input, $"Input parameters for create script, or enter for default \"{Script.DefaultCreateArguments}\"");
string? deleteArgs = null;
if (!string.IsNullOrWhiteSpace(ret.DeleteScript) ||
!string.IsNullOrWhiteSpace(ret.Script))
{
deleteArgs = await _arguments.TryGetArgument(args?.DnsDeleteScriptArguments, input, $"Input parameters for delete script, or enter for default \"{Script.DefaultDeleteArguments}\"");
}
ProcessArgs(ret, createArgs, deleteArgs);
return ret;
}
public override async Task<ScriptOptions?> Default(Target target)
{
var args = _arguments.GetArguments<ScriptArguments>();
var ret = new ScriptOptions();
ProcessScripts(ret, args?.DnsScript, args?.DnsCreateScript, args?.DnsDeleteScript);
if (!string.IsNullOrEmpty(ret.Script))
{
if (!ret.Script.ValidFile(_log))
{
_log.Error($"Invalid argument --{nameof(args.DnsScript).ToLower()}");
return null;
}
}
else
{
if (!ret.CreateScript.ValidFile(_log))
{
_log.Error($"Invalid argument --{nameof(args.DnsCreateScript).ToLower()}");
return null;
}
if (!string.IsNullOrEmpty(ret.DeleteScript))
{
if (!ret.DeleteScript.ValidFile(_log))
{
_log.Error($"Invalid argument --{nameof(args.DnsDeleteScript).ToLower()}");
return null;
}
}
}
ProcessArgs(ret, args?.DnsCreateScriptArguments, args?.DnsDeleteScriptArguments);
return ret;
}
/// <summary>
/// Choose the right script to run
/// </summary>
/// <param name="options"></param>
/// <param name="commonInput"></param>
/// <param name="createInput"></param>
/// <param name="deleteInput"></param>
private void ProcessScripts(ScriptOptions options, string? commonInput, string? createInput, string? deleteInput)
{
if (!string.IsNullOrWhiteSpace(commonInput))
{
if (!string.IsNullOrWhiteSpace(createInput))
{
_log.Warning($"Ignoring --dnscreatescript because --dnsscript was provided");
}
if (!string.IsNullOrWhiteSpace(deleteInput))
{
_log.Warning("Ignoring --dnsdeletescript because --dnsscript was provided");
}
}
if (string.IsNullOrWhiteSpace(commonInput) &&
string.Equals(createInput, deleteInput, StringComparison.CurrentCultureIgnoreCase))
{
commonInput = createInput;
}
if (!string.IsNullOrWhiteSpace(commonInput))
{
options.Script = commonInput;
}
else
{
options.CreateScript = string.IsNullOrWhiteSpace(createInput) ? null : createInput;
options.DeleteScript = string.IsNullOrWhiteSpace(deleteInput) ? null : deleteInput;
}
}
private void ProcessArgs(ScriptOptions options, string? createInput, string? deleteInput)
{
if (!string.IsNullOrWhiteSpace(createInput) &&
createInput != Script.DefaultCreateArguments)
{
options.CreateScriptArguments = createInput;
}
if (!string.IsNullOrWhiteSpace(options.DeleteScript) ||
!string.IsNullOrWhiteSpace(options.Script))
{
if (!string.IsNullOrWhiteSpace(deleteInput) &&
deleteInput != Script.DefaultDeleteArguments)
{
options.DeleteScriptArguments = deleteInput;
}
}
}
public override bool CanValidate(Target target) => true;
}
}
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