after refactor cleanup

DiunaBI.API/Controllers/DataInboxController.cs

@@ -0,0 +1,130 @@
+using System.Text;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using DiunaBI.Infrastructure.Data;
+using DiunaBI.Domain.Entities;
+
+namespace DiunaBI.API.Controllers;
+
+[ApiController]
+[Route("[controller]")]
+public class DataInboxController : Controller
+{
+    private readonly AppDbContext _db;
+    private readonly IConfiguration _configuration;
+    private readonly ILogger<DataInboxController> _logger;
+
+    public DataInboxController(
+        AppDbContext db,
+        IConfiguration configuration,
+        ILogger<DataInboxController> logger)
+    {
+        _db = db;
+        _configuration = configuration;
+        _logger = logger;
+    }
+
+    [HttpPut]
+    [Route("Add/{apiKey}")]
+    [AllowAnonymous]
+    public IActionResult Add(string apiKey, [FromBody] DataInbox dataInbox)
+    {
+        if (apiKey != _configuration["apiKey"])
+        {
+            _logger.LogWarning("DataInbox: Unauthorized request - wrong apiKey for source {Source}", dataInbox.Source);
+            return Unauthorized();
+        }
+
+        try
+        {
+            if (!Request.Headers.TryGetValue("Authorization", out var authHeader))
+            {
+                _logger.LogWarning("DataInbox: Unauthorized request - no authorization header for source {Source}", dataInbox.Source);
+                return Unauthorized();
+            }
+
+            var credentialsArr = authHeader.ToString().Split(" ");
+            if (credentialsArr.Length != 2)
+            {
+                _logger.LogWarning("DataInbox: Unauthorized request - wrong auth header format for source {Source}", dataInbox.Source);
+                return Unauthorized();
+            }
+
+            var authValue = Encoding.UTF8.GetString(Convert.FromBase64String(credentialsArr[1]));
+            var username = authValue.Split(':')[0];
+            var password = authValue.Split(':')[1];
+            if (username != _configuration["apiUser"] || password != _configuration["apiPass"])
+            {
+                _logger.LogWarning("DataInbox: Unauthorized request - bad credentials for source {Source}", dataInbox.Source);
+                return Unauthorized();
+            }
+
+            // check if datainbox.data is base64 encoded value
+            if (!string.IsNullOrEmpty(dataInbox.Data) && !IsBase64String(dataInbox.Data))
+            {
+                _logger.LogWarning("DataInbox: Invalid data format - not base64 encoded for source {Source}", dataInbox.Source);
+                return BadRequest("Invalid data format - not base64 encoded");
+            }
+
+            dataInbox.Id = Guid.NewGuid();
+            dataInbox.CreatedAt = DateTime.UtcNow;
+            _db.DataInbox.Add(dataInbox);
+            _db.SaveChanges();
+
+            _logger.LogInformation("DataInbox: Insert success for source {Source}, name {Name}", dataInbox.Source, dataInbox.Name);
+
+            if (dataInbox.Name == "morska.d3.importer")
+            {
+                _logger.LogDebug("DataInbox: Detected morska.d3.importer - processing will be handled by AutoImport");
+            }
+
+            return Ok();
+        }
+        catch (Exception e)
+        {
+            _logger.LogError(e, "DataInbox: Insert error for source {Source}, name {Name}", dataInbox.Source, dataInbox.Name);
+            return BadRequest(e.ToString());
+        }
+    }
+
+    [HttpGet]
+    public IActionResult GetAll()
+    {
+        try
+        {
+            var dataInbox = _db.DataInbox.AsNoTracking().ToList();
+            _logger.LogDebug("DataInbox: Retrieved {Count} records", dataInbox.Count);
+            return Ok(dataInbox);
+        }
+        catch (Exception e)
+        {
+            _logger.LogError(e, "DataInbox: Error retrieving records");
+            return BadRequest(e.ToString());
+        }
+    }
+
+    // helpers
+    private bool IsBase64String(string data)
+    {
+        if (string.IsNullOrEmpty(data))
+        {
+            return false;
+        }
+        try
+        {
+            var base64Bytes = Convert.FromBase64String(data);
+            var utf8String = Encoding.UTF8.GetString(base64Bytes);
+            var reEncoded = Convert.ToBase64String(Encoding.UTF8.GetBytes(utf8String));
+            return data.TrimEnd('=') == reEncoded.TrimEnd('=');
+        }
+        catch (FormatException)
+        {
+            return false;
+        }
+        catch (DecoderFallbackException)
+        {
+            return false;
+        }
+    }
+}