feat(HomeController): TryShowEnvelope-Methode erstellt, um die Generierung der Show-Envelope-Ansicht zu zentrieren

- TryShowEnvelope-Methode zum EnvelopeLocked-Endpunkt hinzugefügt, um den Umschlag anzuzeigen, wenn der Benutzer bereits autorisiert wurde.

EnvelopeGenerator.Web/Controllers/HomeController.cs

@@ -134,18 +134,23 @@ public class HomeController : ViewControllerBase
             ViewData["UserCulture"] = _cultures[UserLanguage];
 
             return await _envRcvService.ReadByEnvelopeReceiverIdAsync(envelopeReceiverId: envelopeReceiverId).ThenAsync(
-                Success: er => View()
+            SuccessAsync: async er => {
+                if (User.IsInRole(ReceiverRole.FullyAuth))
+                    return await TryShowEnvelope(envelopeReceiverId, er);
+                else
+                    return View()
                     .WithData("EnvelopeKey", envelopeReceiverId)
                     .WithData("TFAEnabled", er.Envelope!.TFAEnabled)
                     .WithData("HasPhoneNumber", er.HasPhoneNumber)
                     .WithData("SenderEmail", er.Envelope.User!.Email)
-                    .WithData("EnvelopeTitle", er.Envelope.Title),
+                    .WithData("EnvelopeTitle", er.Envelope.Title);
-                Fail: IActionResult (messages, notices) =>
+                },
-                {
+            Fail: IActionResult (messages, notices) =>
-                    _logger.LogNotice(notices);
+            {
-                    Response.StatusCode = StatusCodes.Status401Unauthorized;
+                _logger.LogNotice(notices);
-                    return this.ViewEnvelopeNotFound();
+                Response.StatusCode = StatusCodes.Status401Unauthorized;
-                });
+                return this.ViewEnvelopeNotFound();
+            });
         }
         catch(Exception ex)
         {
@@ -154,6 +159,63 @@ public class HomeController : ViewControllerBase
         }
     }
 
+    private async Task<IActionResult> TryShowEnvelope(string envelopeReceiverId, EnvelopeReceiverDto er)
+    {
+        try
+        {
+            ViewData["UserCulture"] = _cultures[UserLanguage];
+            ViewData["EnvelopeKey"] = envelopeReceiverId;
+
+            envelopeReceiverId = _sanitizer.Sanitize(envelopeReceiverId);
+            (string? uuid, string? signature) = envelopeReceiverId.DecodeEnvelopeReceiverId();
+
+            if (uuid is null || signature is null)
+            {
+                _logger.LogEnvelopeError(uuid: uuid, signature: signature, message: _localizer[WebKey.WrongEnvelopeReceiverId]);
+                return Unauthorized();
+            }
+
+            _logger.LogInformation("Envelope UUID: [{uuid}]\nReceiver Signature: [{signature}]", uuid, signature);
+
+            //check access code
+            EnvelopeResponse response = await envelopeOldService.LoadEnvelope(envelopeReceiverId);
+
+            //check rejection
+            var rejRcvrs = await _historyService.ReadRejectingReceivers(er.Envelope!.Id);
+            if (rejRcvrs.Any())
+            {
+                ViewBag.IsExt = !rejRcvrs.Contains(er.Receiver);    //external if the current user is not rejected
+                return View("EnvelopeRejected", er);
+            }
+
+            //check if it has already signed
+            if (await _historyService.IsSigned(envelopeId: er.Envelope!.Id, userReference: er.Receiver!.EmailAddress))
+                return View("EnvelopeSigned");
+
+            if (er.Envelope.Documents?.FirstOrDefault() is EnvelopeDocumentDto doc && doc.ByteData is not null)
+            {
+                ViewData["DocumentBytes"] = doc.ByteData;
+            }
+            else
+            {
+                _logger.LogEnvelopeError(envelopeReceiverId: envelopeReceiverId, message: "No document byte-data was found in ENVELOPE_DOCUMENT table.");
+                return this.ViewDocumentNotFound();
+            }
+
+            await HttpContext.SignInEnvelopeAsync(er, ReceiverRole.FullyAuth);
+
+            //add PSPDFKit licence key
+            ViewData["PSPDFKitLicenseKey"] = _configuration["PSPDFKitLicenseKey"];
+
+            return View("ShowEnvelope", er);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogEnvelopeError(envelopeReceiverId: envelopeReceiverId, exception: ex);
+            return this.ViewInnerServiceError();
+        }
+    }
+
     #region TFA Views
     [NonAction]
     private async Task<IActionResult> TFAViewAsync(bool viaSms, EnvelopeReceiverSecretDto er_secret, string envelopeReceiverId)
@@ -318,37 +380,9 @@ public class HomeController : ViewControllerBase
                         .WithData("ErrorMessage", _localizer[WebKey.WrongAccessCode].Value);
             }
             
-            //continue the process without important data to minimize security errors.
+            await HttpContext.SignInEnvelopeAsync(er_secret, ReceiverRole.FullyAuth);
-            EnvelopeReceiverDto er = er_secret;
 
-            //check rejection
+            return await TryShowEnvelope(envelopeReceiverId, er_secret);
-            var rejRcvrs = await _historyService.ReadRejectingReceivers(er.Envelope!.Id);
-            if(rejRcvrs.Any())
-            {
-                ViewBag.IsExt = !rejRcvrs.Contains(er.Receiver);    //external if the current user is not rejected
-                return View("EnvelopeRejected", er);
-            }
-
-            //check if it has already signed
-            if (await _historyService.IsSigned(envelopeId: er.Envelope!.Id, userReference: er.Receiver!.EmailAddress))
-                return View("EnvelopeSigned");
-
-            if (er.Envelope.Documents?.FirstOrDefault() is EnvelopeDocumentDto doc && doc.ByteData is not null)
-            {
-                ViewData["DocumentBytes"] = doc.ByteData;
-            }
-            else
-            {
-                _logger.LogEnvelopeError(envelopeReceiverId: envelopeReceiverId, message: "No document byte-data was found in ENVELOPE_DOCUMENT table.");
-                return this.ViewDocumentNotFound();
-            }
-                        
-            await HttpContext.SignInEnvelopeAsync(er, ReceiverRole.FullyAuth);
-
-            //add PSPDFKit licence key
-            ViewData["PSPDFKitLicenseKey"] = _configuration["PSPDFKitLicenseKey"];
-
-            return View("ShowEnvelope", er);
         }
         catch (Exception ex)
         {