HttpConfigurableFileResource.cs

using System;
using System.IO;
using System.Threading.Tasks;
using Waher.Content.Text;
using Waher.Networking.HTTP;
 
namespace Waher.IoTGateway.WebResources
{
    public class HttpConfigurableFileResource : HttpSynchronousResource, IHttpGetMethod
    {
        private readonly string fileName;
        private readonly string contentType;
        private readonly bool isText;
 
        public HttpConfigurableFileResource(string ResourceName, string FileName)
            : this(ResourceName, FileName, PlainTextCodec.DefaultContentType, true)
        {
        }
 
        public HttpConfigurableFileResource(string ResourceName, string FileName, string ContentType)
            : this(ResourceName, FileName, ContentType, true)
        {
        }
 
        public HttpConfigurableFileResource(string ResourceName, string FileName, string ContentType, bool IsText)
            : base(ResourceName)
        {
            this.fileName = Path.GetFullPath(FileName);
            this.contentType = ContentType;
            this.isText = IsText;
        }
 
        public override bool HandlesSubPaths => false;
 
        public override bool UserSessions => false;
 
        public bool AllowsGET => true;
 
        public async Task GET(HttpRequest Request, HttpResponse Response)
        {
            DateTime TP = await DomainSettings.GetFileSettingTimestampAsync(Request, this.fileName);
 
            Response.ContentType = this.contentType;
            Response.Date = TP;
 
            if (this.isText)
            {
                string Content = await DomainSettings.GetTextFileSettingAsync(Request, this.fileName);
                await Response.Write(Content);
            }
            else
            {
                byte[] Content = await DomainSettings.GetBinaryFileSettingAsync(Request, this.fileName);
 
                Response.ContentLength = Content.Length;
                
                await Response.Write(Content);
            }
        }
    }
}