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using System;
using System.Collections.Generic;
using System.IO;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
namespace StardewModdingAPI.Web.Framework
{
/// <summary>Reads configuration values from the AWS Beanstalk environment properties file (if present).</summary>
/// <remarks>This is a workaround for AWS Beanstalk injection not working with .NET Core apps.</remarks>
internal class BeanstalkEnvPropsConfigProvider : ConfigurationProvider, IConfigurationSource
{
/*********
** Properties
*********/
/// <summary>The absolute path to the container configuration file on an Amazon EC2 instance.</summary>
private const string ContainerConfigPath = @"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration";
/*********
** Public methods
*********/
/// <summary>Build the configuration provider for this source.</summary>
/// <param name="builder">The configuration builder.</param>
public IConfigurationProvider Build(IConfigurationBuilder builder)
{
return new BeanstalkEnvPropsConfigProvider();
}
/// <summary>Load the environment properties.</summary>
public override void Load()
{
this.Data = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
// get Beanstalk config file
FileInfo file = new FileInfo(BeanstalkEnvPropsConfigProvider.ContainerConfigPath);
if (!file.Exists)
return;
// parse JSON
JObject jsonRoot = (JObject)JsonConvert.DeserializeObject(File.ReadAllText(file.FullName));
if (jsonRoot["iis"]?["env"] is JArray jsonProps)
{
foreach (string prop in jsonProps.Values<string>())
{
string[] parts = prop.Split('=', 2); // key=value
if (parts.Length == 2)
this.Data[parts[0]] = parts[1];
}
}
}
}
}
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