First Initial

ApiControllers/Common/_BaseController.cs

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+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Primitives;
+using System;
+using System.Collections.Generic;
+using System.IdentityModel.Tokens.Jwt;
+using System.IO;
+using System.Linq;
+using System.Security.Claims;
+using System.Threading.Tasks;
+using TTSW.Utils;
+
+namespace TTSW.Controllers
+{
+    public class BaseController : Controller
+    {
+        /// <summary>
+        /// Default constructure for dependency injection
+        /// </summary>
+        public BaseController()
+        {
+
+        }
+
+        protected string GetClientRootUrl()
+        {
+            var request = HttpContext.Request;
+
+            return $"{request.Scheme}://{request.Host}";
+        }
+
+        protected string GetClientRequestUrl()
+        {
+            var request = HttpContext.Request;
+
+            return $"{request.Scheme}://{request.Host}{request.Path}{request.QueryString}";
+        }
+
+        protected string GetClientRootUrlByOrigin()
+        {
+            var nameFilter = string.Empty;
+
+            //Get Origin header for full root path of the client
+            if (Request.Headers.TryGetValue("Origin", out StringValues headerValues))
+                nameFilter = headerValues.FirstOrDefault();
+
+            return nameFilter;
+        }
+
+        protected async Task<IActionResult> ReturnFileDownload(string relativePath)
+        {
+            var fullPath = FileUtil.GetAbsolutePath(relativePath);
+
+            if (!FileUtil.DoesFileExist(fullPath))
+                return Content("filename not present");
+
+            var memory = new MemoryStream();
+            using (var stream = new FileStream(fullPath, FileMode.Open))
+            {
+                await stream.CopyToAsync(memory);
+            }
+            memory.Position = 0;
+
+            return File(memory, FileUtil.GetMineType(fullPath), Path.GetFileName(fullPath));
+        }
+
+        protected async Task<string> GetAccessToken()
+        {
+            return await HttpContext.GetTokenAsync("access_token");
+        }
+    }
+}