Add new controllers for envelope management

Introduced multiple controllers to enhance application functionality:
- `AnnotationController`: Manages annotations and signature lifecycle.
- `AuthController`: Handles user authentication and session management.
- `CacheController`: Manages cached data for receivers.
- `ConfigController`: Exposes client configuration data.
- `DocumentController`: Provides access to envelope documents.
- `EmailTemplateController`: Manages email templates.
- `EnvelopeController`: Manages envelope operations.
- `EnvelopeReceiverController`: Handles envelope receiver data.
- `EnvelopeTypeController`: Retrieves envelope types.
- `HistoryController`: Accesses envelope history.
- `IAuthController`: Defines authentication interface.
- `LocalizationController`: Manages localization settings.
- `ReadOnlyController`: Manages read-only envelope sharing.
- `ReceiverController`: Retrieves receiver data.
- `SignatureController`: Retrieves document signatures.
- `TfaRegistrationController`: Manages two-factor authentication.

These changes improve maintainability and scalability by organizing operations into dedicated controllers.
This commit is contained in:
2026-06-22 14:57:26 +02:00
parent 4dca17d39c
commit e11bc9df8e
16 changed files with 1542 additions and 0 deletions

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using DigitalData.Core.Abstraction.Application.DTO;
using DigitalData.Core.Exceptions;
using EnvelopeGenerator.API.Extensions;
using EnvelopeGenerator.Application.Common.Dto;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.Common.Interfaces.Services;
using EnvelopeGenerator.Application.Common.Notifications.DocSigned;
using EnvelopeGenerator.Application.Common.Notifications.RemoveSignature;
using EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
using EnvelopeGenerator.Application.Histories.Queries;
using EnvelopeGenerator.Domain.Constants;
using MediatR;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Manages annotations and signature lifecycle for envelopes.
/// </summary>
[Authorize(Policy = AuthPolicy.Receiver)]
[ApiController]
[Route("api/[controller]")]
public class AnnotationController : ControllerBase
{
[Obsolete("Use MediatR")]
private readonly IEnvelopeHistoryService _historyService;
[Obsolete("Use MediatR")]
private readonly IEnvelopeReceiverService _envelopeReceiverService;
private readonly IMediator _mediator;
private readonly ILogger<AnnotationController> _logger;
/// <summary>
/// Initializes a new instance of <see cref="AnnotationController"/>.
/// </summary>
[Obsolete("Use MediatR")]
public AnnotationController(
ILogger<AnnotationController> logger,
IEnvelopeHistoryService envelopeHistoryService,
IEnvelopeReceiverService envelopeReceiverService,
IMediator mediator)
{
_historyService = envelopeHistoryService;
_envelopeReceiverService = envelopeReceiverService;
_mediator = mediator;
_logger = logger;
}
/// <summary>
/// Creates or updates annotations for the authenticated envelope receiver.
/// </summary>
/// <param name="psPdfKitAnnotation">Annotation payload.</param>
/// <param name="cancel">Cancellation token.</param>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpPost]
[Obsolete("PSPDF Kit will no longer be used.")]
public async Task<IActionResult> CreateOrUpdate([FromBody] PsPdfKitAnnotation? psPdfKitAnnotation = null, CancellationToken cancel = default)
{
var signature = User.ReceiverSignature();
var uuid = User.EnvelopeUuid();
var envelopeReceiver = await _mediator.ReadEnvelopeReceiverAsync(uuid, signature, cancel).ThrowIfNull(Exceptions.NotFound);
if (!envelopeReceiver.Envelope!.ReadOnly && psPdfKitAnnotation is null)
return BadRequest();
if (await _mediator.IsSignedAsync(uuid, signature, cancel))
return Problem(statusCode: StatusCodes.Status409Conflict);
else if (await _mediator.AnyHistoryAsync(uuid, new[] { EnvelopeStatus.EnvelopeRejected, EnvelopeStatus.DocumentRejected }, cancel))
return Problem(statusCode: StatusCodes.Status423Locked);
var envelopeReceiverDto = await _mediator.ReadEnvelopeReceiverAsync(uuid, signature, cancel);
var docSignedNotification = envelopeReceiverDto is not null
? new DocSignedNotification { EnvelopeReceiver = envelopeReceiverDto, PsPdfKitAnnotation = psPdfKitAnnotation }
: throw new NotFoundException("Envelope receiver is not found.");
try
{
await _mediator.Publish(docSignedNotification, cancel);
}
catch (Exception)
{
await _mediator.Publish(new RemoveSignatureNotification()
{
EnvelopeId = docSignedNotification.EnvelopeReceiver.EnvelopeId,
ReceiverId = docSignedNotification.EnvelopeReceiver.ReceiverId
}, cancel);
throw;
}
await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
return Ok();
}
/// <summary>
/// Rejects the document for the current receiver.
/// </summary>
/// <param name="reason">Optional rejection reason.</param>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpPost("reject")]
[Obsolete("Use MediatR")]
public async Task<IActionResult> Reject([FromBody] string? reason = null)
{
var signature = User.ReceiverSignature();
var uuid = User.EnvelopeUuid();
var mail = User.ReceiverMail();
var envRcvRes = await _envelopeReceiverService.ReadByUuidSignatureAsync(uuid: uuid, signature: signature);
if (envRcvRes.IsFailed)
{
_logger.LogNotice(envRcvRes.Notices);
return Unauthorized("you are not authorized");
}
var histRes = await _historyService.RecordAsync(envRcvRes.Data.EnvelopeId, userReference: mail, EnvelopeStatus.DocumentRejected, comment: reason);
if (histRes.IsSuccess)
{
await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
return NoContent();
}
_logger.LogEnvelopeError(uuid: uuid, signature: signature, message: "Unexpected error happened in api/envelope/reject");
_logger.LogNotice(histRes.Notices);
return StatusCode(500, histRes.Messages);
}
}

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using DigitalData.Auth.Claims;
using EnvelopeGenerator.API.Controllers.Interfaces;
using EnvelopeGenerator.API.Models;
using EnvelopeGenerator.Domain.Constants;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Controller verantwortlich für die Benutzer-Authentifizierung, einschließlich Anmelden, Abmelden und Überprüfung des Authentifizierungsstatus.
/// </summary>
[Route("api/[controller]")]
[ApiController]
public partial class AuthController(IOptions<AuthTokenKeys> authTokenKeyOptions, IAuthorizationService authService) : ControllerBase, IAuthController
{
private readonly AuthTokenKeys authTokenKeys = authTokenKeyOptions.Value;
/// <summary>
///
/// </summary>
public IAuthorizationService AuthService { get; } = authService;
/// <summary>
/// Entfernt das Authentifizierungs-Cookie des Benutzers (AuthCookie)
/// </summary>
/// <returns>
/// Gibt eine HTTP 200 oder 401.
/// </returns>
/// <remarks>
/// Sample request:
///
/// POST /api/auth/logout
///
/// </remarks>
/// <response code="200">Erfolgreich gelöscht, wenn der Benutzer ein berechtigtes Cookie hat.</response>
/// <response code="401">Wenn es kein zugelassenes Cookie gibt, wird „nicht zugelassen“ zurückgegeben.</response>
[ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
[ProducesResponseType(typeof(void), StatusCodes.Status401Unauthorized)]
[Authorize(Policy = AuthPolicy.SenderOrReceiver)]
[HttpPost("logout")]
public async Task<IActionResult> Logout()
{
if (await this.IsUserInPolicyAsync(AuthPolicy.Sender))
Response.Cookies.Delete(authTokenKeys.Cookie);
else if (await this.IsUserInPolicyAsync(AuthPolicy.ReceiverOrReceiverTFA))
await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
else
return Unauthorized();
return Ok();
}
/// <summary>
/// Prüft, ob der Benutzer ein autorisiertes Token hat.
/// </summary>
/// <returns>Wenn ein autorisiertes Token vorhanden ist HTTP 200 asynchron 401</returns>
/// <remarks>
/// Sample request:
///
/// GET /api/auth
///
/// </remarks>
/// <response code="200">Wenn es einen autorisierten Cookie gibt.</response>
/// <response code="401">Wenn kein Cookie vorhanden ist oder nicht autorisierte.</response>
[ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
[ProducesResponseType(typeof(void), StatusCodes.Status401Unauthorized)]
[HttpGet("check")]
[Authorize]
public IActionResult Check(string? role = null)
=> role is not null && !User.IsInRole(role)
? Unauthorized()
: Ok();
/// <summary>
/// Checks whether the caller holds a valid per-envelope receiver token for the given envelope key.
/// The request must carry a cookie named <c>AuthTokenSignFLOWReceiver.{envelopeKey}</c>.
/// </summary>
/// <param name="envelopeKey">The unique envelope key extracted from the route.</param>
/// <response code="200">Valid per-envelope token found.</response>
/// <response code="401">Token is missing, expired or invalid.</response>
[ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
[ProducesResponseType(typeof(void), StatusCodes.Status401Unauthorized)]
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpGet("check/envelope/{envelopeKey}")]
public IActionResult CheckEnvelopeReceiver([FromRoute] string envelopeKey) => Ok();
/// <summary>
/// Removes the per-envelope receiver cookie for the given envelope key.
/// </summary>
/// <param name="envelopeKey">The unique envelope key whose cookie should be deleted.</param>
/// <response code="200">Cookie successfully deleted.</response>
[ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
[HttpPost("logout/envelope/{envelopeKey}")]
public IActionResult LogoutEnvelopeReceiver([FromRoute] string envelopeKey)
{
var cookieName = CookieNames.GetEnvelopeReceiverCookieName(authTokenKeys.Cookie, envelopeKey);
Response.Cookies.Delete(cookieName);
return Ok();
}
/// <summary>
/// Removes all per-envelope receiver cookies from the current request.
/// </summary>
/// <response code="200">All envelope receiver cookies successfully deleted.</response>
[ProducesResponseType(typeof(void), StatusCodes.Status200OK)]
[HttpPost("logout/envelope")]
public IActionResult LogoutAllEnvelopeReceivers()
{
foreach (var cookieName in Request.Cookies.Keys.Where(k => CookieNames.IsEnvelopeReceiverCookie(k, authTokenKeys.Cookie)))
Response.Cookies.Delete(cookieName);
return Ok();
}
}

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using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Distributed;
using Microsoft.Extensions.Options;
using System.Text.Json;
using EnvelopeGenerator.API.Options;
using EnvelopeGenerator.Domain.Constants;
using EnvelopeGenerator.API.Extensions;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Manages cached data for receivers using distributed cache.
/// </summary>
[ApiController]
[Route("api/[controller]")]
[Authorize(Policy = AuthPolicy.Receiver)]
public class CacheController(
IDistributedCache cache,
IOptions<CacheOptions> cacheOptions) : ControllerBase
{
private const string SignatureCacheKeyPrefix = "envelope-generator.receiver-ui.signature:";
/// <summary>
/// Stores a receiver's signature in cache for the specified envelope.
/// </summary>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpPost("SignatureCapture/{envelopeKey}")]
public async Task<IActionResult> SaveSignature(
[FromRoute] string envelopeKey,
[FromBody] SignatureCacheRequest request,
CancellationToken cancel)
{
var cacheKey = $"{SignatureCacheKeyPrefix}{User.ReceiverSignature()}";
var json = JsonSerializer.Serialize(request);
var options = cacheOptions.Value.SignatureCacheExpiration.HasValue
? new DistributedCacheEntryOptions { AbsoluteExpirationRelativeToNow = cacheOptions.Value.SignatureCacheExpiration.Value }
: null;
await cache.SetStringAsync(cacheKey, json, options ?? new DistributedCacheEntryOptions(), cancel);
return Ok();
}
/// <summary>
/// Retrieves a cached signature for the specified envelope.
/// </summary>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpGet("SignatureCapture/{envelopeKey}")]
public async Task<IActionResult> GetSignature([FromRoute] string envelopeKey, CancellationToken cancel)
{
var cacheKey = $"{SignatureCacheKeyPrefix}{User.ReceiverSignature()}";
var json = await cache.GetStringAsync(cacheKey, cancel);
if (json is null)
return NotFound();
var signature = JsonSerializer.Deserialize<SignatureCacheRequest>(json);
return Ok(signature);
}
/// <summary>
/// Deletes a cached signature for the specified envelope.
/// </summary>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpDelete("SignatureCapture/{envelopeKey}")]
public async Task<IActionResult> DeleteSignature([FromRoute] string envelopeKey, CancellationToken cancel)
{
var cacheKey = $"{SignatureCacheKeyPrefix}{User.ReceiverSignature()}";
await cache.RemoveAsync(cacheKey, cancel);
return Ok();
}
}
/// <summary>
/// Request model for caching signature data.
/// </summary>
public sealed record SignatureCacheRequest(
string DataUrl,
string FullName,
string Place,
string? Position = null);

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using EnvelopeGenerator.API.Models.PsPdfKitAnnotation;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Exposes configuration data required by the client applications.
/// </summary>
/// <remarks>
/// Initializes a new instance of <see cref="ConfigController"/>.
/// </remarks>
[Route("api/[controller]")]
[ApiController]
[Authorize]
public class ConfigController(IOptionsMonitor<AnnotationParams> annotationParamsOptions) : ControllerBase
{
private readonly AnnotationParams _annotationParams = annotationParamsOptions.CurrentValue;
/// <summary>
/// Returns annotation configuration that was previously rendered by MVC.
/// </summary>
[HttpGet("Annotations")]
[Obsolete("PSPDF Kit will no longer be used.")]
public IActionResult GetAnnotationParams()
{
return Ok(_annotationParams.AnnotationJSObject);
}
}

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using DigitalData.Auth.Claims;
using EnvelopeGenerator.API.Controllers.Interfaces;
using EnvelopeGenerator.API.Extensions;
using EnvelopeGenerator.Application.Documents.Queries;
using EnvelopeGenerator.Domain.Constants;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Provides access to envelope documents for authenticated receivers.
/// </summary>
/// <remarks>
/// Initializes a new instance of the <see cref="DocumentController"/> class.
/// </remarks>
[ApiController]
[Route("api/[controller]")]
public class DocumentController(IMediator mediator, IAuthorizationService authService, ILogger<DocumentController> logger) : ControllerBase, IAuthController
{
/// <summary>
///
/// </summary>
public IAuthorizationService AuthService => authService;
/// <summary>
/// Returns the document bytes receiver.
/// </summary>
/// <param name="query">Encoded envelope key.</param>
/// <param name="cancel">Cancellation token.</param>
[HttpGet]
[Authorize(Policy = AuthPolicy.SenderOrReceiver)]
public async Task<IActionResult> GetDocument(CancellationToken cancel, [FromQuery] ReadDocumentQuery? query = null)
{
// Sender: expects query with envelope key
if (await this.IsUserInPolicyAsync(AuthPolicy.Sender))
{
if (query is null)
return BadRequest("Missing document query.");
var senderDoc = await mediator.Send(query, cancel);
return senderDoc.ByteData is byte[] senderDocByte
? File(senderDocByte, "application/octet-stream")
: NotFound("Document is empty.");
}
// Receiver: resolve envelope id from claims
if (await this.IsUserInPolicyAsync(AuthPolicy.Receiver))
{
if (query is not null)
return BadRequest("Query parameters are not allowed for receiver role.");
var envelopeId = User.EnvelopeId();
var receiverDoc = await mediator.Send(new ReadDocumentQuery { EnvelopeId = envelopeId }, cancel);
return receiverDoc.ByteData is byte[] receiverDocByte
? File(receiverDocByte, "application/octet-stream")
: NotFound("Document is empty.");
}
return Unauthorized();
}
/// <summary>
/// Gets the document for the specified envelope key.
/// </summary>
/// <param name="envelopeKey"></param>
/// <param name="cancel"></param>
/// <returns></returns>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpGet("{envelopeKey}")]
public async Task<IActionResult> GetDocumentOfReceiver(string envelopeKey, CancellationToken cancel)
{
int envelopeId = User.EnvelopeId();
var senderDoc = await mediator.Send(new ReadDocumentQuery() { EnvelopeId = envelopeId }, cancel);
if (senderDoc.ByteData is not byte[] senderDocByte)
return NotFound("Document is empty.");
Response.Headers.ContentDisposition = $"inline; filename=\"{envelopeKey}.pdf\"";
return File(senderDocByte, "application/pdf");
}
}

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using AutoMapper;
using EnvelopeGenerator.Application.EmailTemplates.Commands;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using MediatR;
using EnvelopeGenerator.Application.Common.Dto;
using DigitalData.Core.Abstraction.Application.Repository;
using EnvelopeGenerator.Domain.Entities;
using Microsoft.EntityFrameworkCore;
using EnvelopeGenerator.Domain.Constants;
using EnvelopeGenerator.Application.EmailTemplates.Queries;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Controller for managing temp templates.
/// Steuerung zur Verwaltung von E-Mail-Vorlagen.
/// </summary>
/// <remarks>
/// Initialisiert eine neue Instanz der <see cref="EmailTemplateController"/>-Klasse.
/// </remarks>
/// <param name="mediator">
/// Die Mediator-Instanz, die zum Senden von Befehlen und Abfragen verwendet wird.
/// </param>
[Route("api/[controller]")]
[ApiController]
[Authorize(Policy = AuthPolicy.Sender)]
public class EmailTemplateController(IMediator mediator) : ControllerBase
{
/// <summary>
/// Ruft E-Mail-Vorlagen basierend auf der angegebenen Abfrage ab.
/// Gibt alles zurück, wenn keine Id- oder Typ-Informationen eingegeben wurden.
/// </summary>
/// <param name="emailTemplate">Die Abfrageparameter zum Abrufen von E-Mail-Vorlagen.</param>
/// <param name="cancel"></param>
/// <returns>Gibt HTTP-Antwort zurück</returns>
/// <remarks>
/// Sample request:
/// GET /api/EmailTemplate?emailTemplateId=123
/// </remarks>
/// <response code="200">Wenn die E-Mail-Vorlagen erfolgreich abgerufen werden.</response>
/// <response code="400">Wenn die Abfrageparameter ungültig sind.</response>
/// <response code="401">Wenn der Benutzer nicht authentifiziert ist.</response>
/// <response code="404">Wenn die gesuchte Abfrage nicht gefunden wird.</response>
[HttpGet]
public async Task<IActionResult> Get([FromQuery] ReadEmailTemplateQuery emailTemplate, CancellationToken cancel)
{
var result = await mediator.Send(emailTemplate, cancel);
return Ok(result);
}
/// <summary>
/// Updates an temp template or resets it if no update command is provided.
/// Aktualisiert eine E-Mail-Vorlage oder setzt sie zurück, wenn kein Aktualisierungsbefehl angegeben ist.
/// </summary>
/// <param name="update"></param>
/// <param name="cancel"></param>
/// <returns></returns>
/// <response code="200">Wenn die E-Mail-Vorlage erfolgreich aktualisiert oder zurückgesetzt wird.</response>
/// <response code="400">Wenn die Abfrage ohne einen String gesendet wird.</response>
/// <response code="401">Wenn der Benutzer nicht authentifiziert ist.</response>
/// <response code="404">Wenn die gesuchte Abfrage nicht gefunden wird.</response>
[HttpPut]
public async Task<IActionResult> Update([FromBody] UpdateEmailTemplateCommand update, CancellationToken cancel)
{
await mediator.Send(update, cancel);
return Ok();
}
}

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using EnvelopeGenerator.API.Extensions;
using EnvelopeGenerator.Application.Envelopes.Commands;
using EnvelopeGenerator.Application.Envelopes.Queries;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Dieser Controller stellt Endpunkte für die Verwaltung von Umschlägen bereit.
/// </summary>
/// <remarks>
/// Die API ermöglicht das Abrufen und Verwalten von Umschlägen basierend auf Benutzerinformationen und Statusfiltern.
///
/// Mögliche Antworten:
/// - 200 OK: Die Anfrage war erfolgreich, und die angeforderten Daten werden zurückgegeben.
/// - 400 Bad Request: Die Anfrage war fehlerhaft oder unvollständig.
/// - 401 Unauthorized: Der Benutzer ist nicht authentifiziert.
/// - 403 Forbidden: Der Benutzer hat keine Berechtigung, auf die Ressource zuzugreifen.
/// - 404 Not Found: Die angeforderte Ressource wurde nicht gefunden.
/// - 500 Internal Server Error: Ein unerwarteter Fehler ist aufgetreten.
/// </remarks>
[Route("api/[controller]")]
[ApiController]
[Authorize]
public class EnvelopeController : ControllerBase
{
private readonly ILogger<EnvelopeController> _logger;
private readonly IMediator _mediator;
/// <summary>
/// Erstellt eine neue Instanz des EnvelopeControllers.
/// </summary>
/// <param name="logger">Der Logger, der für das Protokollieren von Informationen verwendet wird.</param>
/// <param name="mediator"></param>
public EnvelopeController(ILogger<EnvelopeController> logger, IMediator mediator)
{
_logger = logger;
_mediator = mediator;
}
/// <summary>
/// Ruft eine Liste von Umschlägen basierend auf dem Benutzer und den angegebenen Statusfiltern ab.
/// </summary>
/// <param name="envelope"></param>
/// <returns>Eine IActionResult-Instanz, die die abgerufenen Umschläge oder einen Fehlerstatus enthält.</returns>
/// <response code="200">Die Anfrage war erfolgreich, und die Umschläge werden zurückgegeben.</response>
/// <response code="400">Die Anfrage war fehlerhaft oder unvollständig.</response>
/// <response code="401">Der Benutzer ist nicht authentifiziert.</response>
/// <response code="403">Der Benutzer hat keine Berechtigung, auf die Ressource zuzugreifen.</response>
/// <response code="500">Ein unerwarteter Fehler ist aufgetreten.</response>
[Authorize(AuthenticationSchemes = AuthScheme.Sender)]
[HttpGet]
public async Task<IActionResult> GetAsync([FromQuery] ReadEnvelopeQuery envelope)
{
var result = await _mediator.Send(envelope.Authorize(User.GetId()));
return result.Any() ? Ok(result) : NotFound();
}
/// <summary>
/// Ruft das Ergebnis eines Dokuments basierend auf der ID ab.
/// </summary>
/// <param name="query"></param>
/// <param name="view">Gibt an, ob das Dokument inline angezeigt werden soll (true) oder als Download bereitgestellt wird (false).</param>
/// <returns>Eine IActionResult-Instanz, die das Dokument oder einen Fehlerstatus enthält.</returns>
/// <response code="200">Das Dokument wurde erfolgreich abgerufen.</response>
/// <response code="404">Das Dokument wurde nicht gefunden oder ist nicht verfügbar.</response>
/// <response code="500">Ein unerwarteter Fehler ist aufgetreten.</response>
[HttpGet("doc-result")]
public async Task<IActionResult> GetDocResultAsync([FromQuery] ReadEnvelopeQuery query, [FromQuery] bool view = false)
{
var envelopes = await _mediator.Send(query.Authorize(User.GetId()));
var envelope = envelopes.FirstOrDefault();
if (envelope is null)
return NotFound("Envelope not available.");
if (envelope.DocResult is null)
return NotFound("The document has not been fully signed or the result has not yet been released.");
if (view)
{
Response.Headers.Append("Content-Disposition", "inline; filename=\"" + envelope.Uuid + ".pdf\"");
return File(envelope.DocResult, "application/pdf");
}
return File(envelope.DocResult, "application/pdf", $"{envelope.Uuid}.pdf");
}
/// <summary>
///
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
[NonAction]
[Authorize]
[HttpPost]
public async Task<IActionResult> CreateAsync([FromBody] CreateEnvelopeCommand command)
{
var res = await _mediator.Send(command.WithAuth(User.GetId()));
if (res is null)
{
_logger.LogError("Failed to create envelope. Envelope details: {EnvelopeDetails}", JsonConvert.SerializeObject(command));
return StatusCode(StatusCodes.Status500InternalServerError);
}
else
return Ok(res);
}
}

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using AutoMapper;
using EnvelopeGenerator.Application.EnvelopeReceivers.Commands;
using EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
using EnvelopeGenerator.Application.Envelopes.Queries;
using EnvelopeGenerator.Domain.Entities;
using EnvelopeGenerator.API.Models;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Data.SqlClient;
using Microsoft.Extensions.Options;
using System.Data;
using EnvelopeGenerator.Application.Common.SQL;
using EnvelopeGenerator.Application.Common.Dto.Receiver;
using EnvelopeGenerator.Application.Common.Interfaces.SQLExecutor;
using EnvelopeGenerator.API.Extensions;
using EnvelopeGenerator.Domain.Constants;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Controller für die Verwaltung von Umschlagempfängern.
/// </summary>
/// <remarks>
/// Dieser Controller bietet Endpunkte für das Abrufen und Verwalten von Umschlagempfängerdaten.
/// </remarks>
[Route("api/[controller]")]
[Authorize]
[ApiController]
public class EnvelopeReceiverController : ControllerBase
{
private readonly ILogger<EnvelopeReceiverController> _logger;
private readonly IMediator _mediator;
private readonly IMapper _mapper;
private readonly IEnvelopeExecutor _envelopeExecutor;
private readonly IEnvelopeReceiverExecutor _erExecutor;
private readonly IDocumentExecutor _documentExecutor;
private readonly string _cnnStr;
/// <summary>
/// Konstruktor für den EnvelopeReceiverController.
/// </summary>
public EnvelopeReceiverController(ILogger<EnvelopeReceiverController> logger, IMediator mediator, IMapper mapper, IEnvelopeExecutor envelopeExecutor, IEnvelopeReceiverExecutor erExecutor, IDocumentExecutor documentExecutor, IOptions<ConnectionString> csOpt)
{
_logger = logger;
_mediator = mediator;
_mapper = mapper;
_envelopeExecutor = envelopeExecutor;
_erExecutor = erExecutor;
_documentExecutor = documentExecutor;
_cnnStr = csOpt.Value.Value;
}
/// <summary>
/// Ruft eine Liste von Umschlagempfängern basierend auf den angegebenen Abfrageparametern ab.
/// </summary>
/// <param name="envelopeReceiver">Die Abfrageparameter für die Filterung von Umschlagempfängern.</param>
/// <returns>Eine HTTP-Antwort mit der Liste der gefundenen Umschlagempfänger oder einem Fehlerstatus.</returns>
/// <remarks>
/// Dieser Endpunkt ermöglicht es, Umschlagempfänger basierend auf dem Benutzernamen und optionalen Statusfiltern abzurufen.
/// Wenn der Benutzername nicht ermittelt werden kann, wird ein Serverfehler zurückgegeben.
/// </remarks>
/// <response code="200">Die Liste der Umschlagempfänger wurde erfolgreich abgerufen.</response>
/// <response code="401">Wenn kein autorisierter Token vorhanden ist</response>
/// <response code="500">Ein unerwarteter Fehler ist aufgetreten.</response>
[Authorize]
[HttpGet]
public async Task<IActionResult> GetEnvelopeReceiver([FromQuery] ReadEnvelopeReceiverQuery envelopeReceiver)
{
envelopeReceiver = envelopeReceiver with { Username = User.GetUsername() };
var result = await _mediator.Send(envelopeReceiver);
return Ok(result);
}
/// <summary>
///
/// </summary>
/// <param name="envelopeKey"></param>
/// <param name="cancel"></param>
/// <returns></returns>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpGet("{envelopeKey}")]
public async Task<IActionResult> GetEnvelopeReceiverOfReceiver([FromRoute] string envelopeKey, CancellationToken cancel)
{
var er = await _mediator.Send(new ReadEnvelopeReceiverQuery()
{
Key = envelopeKey
}, cancel);
return Ok(er.SingleOrDefault());
}
/// <summary>
/// Ruft den Namen des zuletzt verwendeten Empfängers basierend auf der angegebenen E-Mail-Adresse ab.
/// </summary>
/// <param name="receiver">Abfrage, bei der nur eine der Angaben ID, Signatur oder E-Mail-Adresse des Empfängers eingegeben werden muss.</param>
/// <returns>Eine HTTP-Antwort mit dem Namen des Empfängers oder einem Fehlerstatus.</returns>
/// <remarks>
/// Dieser Endpunkt ermöglicht es, den Namen des zuletzt verwendeten Empfängers basierend auf der E-Mail-Adresse abzurufen.
/// </remarks>
/// <response code="200">Der Name des Empfängers wurde erfolgreich abgerufen.</response>
/// <response code="401">Wenn kein autorisierter Token vorhanden ist</response>
/// <response code="404">Kein Empfänger gefunden.</response>
/// <response code="500">Ein unerwarteter Fehler ist aufgetreten.</response>
[Authorize]
[HttpGet("salute")]
public async Task<IActionResult> GetReceiverName([FromQuery] ReadReceiverNameQuery receiver)
{
var name = await _mediator.Send(receiver);
return name is null ? NotFound() : Ok(name);
}
/// <summary>
/// Datenübertragungsobjekt mit Informationen zu Umschlägen, Empfängern und Unterschriften.
/// </summary>
/// <param name="request"></param>
/// <param name="cancel"></param>
/// <returns>HTTP-Antwort</returns>
/// <remarks>
/// Sample request:
///
/// POST /api/envelope
/// {
/// "title": "Vertragsdokument",
/// "message": "Bitte unterschreiben Sie dieses Dokument.",
/// "document": {
/// "dataAsBase64": "dGVzdC1iYXNlNjQtZGF0YQ=="
/// },
/// "receivers": [
/// {
/// "emailAddress": "example@example.com",
/// "signatures": [
/// {
/// "x": 100,
/// "y": 200,
/// "page": 1
/// }
/// ],
/// "name": "Max Mustermann",
/// "phoneNumber": "+49123456789"
/// }
/// ],
/// "tfaEnabled": false
/// }
///
/// </remarks>
/// <response code="202">Envelope-Erstellung und Sendeprozessbefehl erfolgreich</response>
/// <response code="400">Wenn ein Fehler im HTTP-Body auftritt</response>
/// <response code="401">Wenn kein autorisierter Token vorhanden ist</response>
/// <response code="500">Es handelt sich um einen unerwarteten Fehler. Die Protokolle sollten überprüft werden.</response>
[Authorize]
[HttpPost]
public async Task<IActionResult> CreateAsync([FromBody] CreateEnvelopeReceiverCommand request, CancellationToken cancel)
{
#region Create Envelope
var envelope = await _envelopeExecutor.CreateEnvelopeAsync(User.GetId(), request.Title, request.Message, request.TFAEnabled, cancel);
#endregion
#region Add receivers
List<EnvelopeReceiver> sentReceivers = new();
List<ReceiverGetOrCreateCommand> unsentReceivers = new();
foreach (var receiver in request.Receivers)
{
var envelopeReceiver = await _erExecutor.AddEnvelopeReceiverAsync(envelope.Uuid, receiver.EmailAddress, receiver.Salution, receiver.PhoneNumber, cancel);
if (envelopeReceiver is null)
unsentReceivers.Add(receiver);
else
sentReceivers.Add(envelopeReceiver);
}
var res = _mapper.Map<CreateEnvelopeReceiverResponse>(envelope);
res.UnsentReceivers = unsentReceivers;
res.SentReceiver = _mapper.Map<List<ReceiverDto>>(sentReceivers.Select(er => er.Receiver));
#endregion
#region Add document
var document = await _documentExecutor.CreateDocumentAsync(request.Document.DataAsBase64, envelope.Uuid, cancel);
if (document is null)
return StatusCode(StatusCodes.Status500InternalServerError, "Document creation is failed.");
#endregion
#region Add document element
// @DOC_ID, @RECEIVER_ID, @POSITION_X, @POSITION_Y, @PAGE
string sql = @"
DECLARE @OUT_SUCCESS bit;
EXEC [dbo].[PRSIG_API_ADD_DOC_RECEIVER_ELEM]
{0},
{1},
{2},
{3},
{4},
@OUT_SUCCESS OUTPUT;
SELECT @OUT_SUCCESS as [@OUT_SUCCESS];";
foreach (var rcv in res.SentReceiver)
foreach (var sign in request.Receivers.Where(r => r.EmailAddress == rcv.EmailAddress).FirstOrDefault()?.DocReceiverElements ?? Enumerable.Empty<Application.EnvelopeReceivers.Commands.DocReceiverElementCreateDto>())
{
using SqlConnection conn = new(_cnnStr);
conn.Open();
var formattedSQL = string.Format(sql, document.Id.ToSqlParam(), rcv.Id.ToSqlParam(), sign.X.ToSqlParam(), sign.Y.ToSqlParam(), sign.Page.ToSqlParam());
using SqlCommand cmd = new(formattedSQL, conn);
cmd.CommandType = CommandType.Text;
using SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
bool outSuccess = reader.GetBoolean(0);
}
}
#endregion
#region Create history
// ENV_UID, STATUS_ID, USER_ID,
string sql_hist = @"
USE [DD_ECM]
DECLARE @OUT_SUCCESS bit;
EXEC [dbo].[PRSIG_API_ADD_HISTORY_STATE]
{0},
{1},
{2},
@OUT_SUCCESS OUTPUT;
SELECT @OUT_SUCCESS as [@OUT_SUCCESS];";
using (SqlConnection conn = new(_cnnStr))
{
conn.Open();
var formattedSQL_hist = string.Format(sql_hist, envelope.Uuid.ToSqlParam(), 1003.ToSqlParam(), User.GetId().ToSqlParam());
using SqlCommand cmd = new(formattedSQL_hist, conn);
cmd.CommandType = CommandType.Text;
using SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
bool outSuccess = reader.GetBoolean(0);
}
}
#endregion
return Ok(res);
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool IsBase64String(string input)
{
if (string.IsNullOrWhiteSpace(input))
return false;
try
{
Convert.FromBase64String(input);
return true;
}
catch (FormatException)
{
return false;
}
}
}

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using MediatR;
using EnvelopeGenerator.Application.EnvelopeTypes.Queries;
using Microsoft.AspNetCore.Mvc;
namespace EnvelopeGenerator.GeneratorAPI.Controllers;
/// <summary>
///
/// </summary>
[ApiExplorerSettings(IgnoreApi = true)]
[Route("api/[controller]")]
[ApiController]
public class EnvelopeTypeController : ControllerBase
{
private readonly ILogger<EnvelopeTypeController> _logger;
private readonly IMediator _mediator;
/// <summary>
///
/// </summary>
/// <param name="logger"></param>
/// <param name="mediator"></param>
public EnvelopeTypeController(ILogger<EnvelopeTypeController> logger, IMediator mediator)
{
_logger = logger;
_mediator = mediator;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
[HttpGet]
public async Task<IActionResult> GetAllAsync()
{
var result = await _mediator.Send(new ReadEnvelopeTypesQuery());
return Ok(result);
}
}

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using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using EnvelopeGenerator.Application.Histories.Queries;
using EnvelopeGenerator.Domain.Constants;
using EnvelopeGenerator.Application.Common.Extensions;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Dieser Controller stellt Endpunkte für den Zugriff auf die Umschlaghistorie bereit.
/// </summary>
[Route("api/[controller]")]
[ApiController]
[Authorize]
public class HistoryController : ControllerBase
{
private readonly IMemoryCache _memoryCache;
private readonly IMediator _mediator;
/// <summary>
/// Konstruktor für den HistoryController.
/// </summary>
/// <param name="memoryCache"></param>
/// <param name="mediator"></param>
public HistoryController(IMemoryCache memoryCache, IMediator mediator)
{
_memoryCache = memoryCache;
_mediator = mediator;
}
/// <summary>
/// Gibt alle möglichen Verweise auf alle möglichen Include in einem Verlaufsdatensatz zurück. (z. B. DocumentSigned bezieht sich auf Receiver.)
/// Dies wird hinzugefügt, damit Client-Anwendungen sich selbst auf dem neuesten Stand halten können.
/// 1 - Sender:
/// Historische Datensätze über den Include der Empfänger. Diese haben Statuscodes, die mit 1* beginnen.
/// 2 - Receiver:
/// Historische Datensätze, die sich auf den Include des Absenders beziehen. Sie haben Statuscodes, die mit 2* beginnen.
/// 3 - System:
/// Historische Datensätze, die sich auf den allgemeinen Zustand des Umschlags beziehen. Diese haben Statuscodes, die mit 3* beginnen.
/// 4 - Unknown:
/// Ein unbekannter Datensatz weist auf einen möglichen Mangel oder eine Unstimmigkeit im Aktualisierungsprozess der Anwendung hin.
/// </summary>
/// <returns></returns>
/// <response code="200"></response>
[HttpGet("related")]
[Authorize]
public IActionResult GetReferenceTypes(ReferenceType? referenceType = null)
{
return referenceType is null
? Ok(_memoryCache.GetEnumAsDictionary<ReferenceType>("gen.api", ReferenceType.Unknown))
: Ok(referenceType.ToString());
}
/// <summary>
/// Gibt alle möglichen Include in einem Verlaufsdatensatz zurück.
/// Dies wird hinzugefügt, damit Client-Anwendungen sich selbst auf dem neuesten Stand halten können.
/// 1003: EnvelopeQueued
/// 1006: EnvelopeCompletelySigned
/// 1007: EnvelopeReportCreated
/// 1008: EnvelopeArchived
/// 1009: EnvelopeDeleted
/// 10007: EnvelopeRejected
/// 10009: EnvelopeWithdrawn
/// 2001: AccessCodeRequested
/// 2002: AccessCodeCorrect
/// 2003: AccessCodeIncorrect
/// 2004: DocumentOpened
/// 2005: DocumentSigned
/// 2006: DocumentForwarded
/// 2007: DocumentRejected
/// 2008: EnvelopeShared
/// 2009: EnvelopeViewed
/// 3001: MessageInvitationSent (Wird von Trigger verwendet)
/// 3002: MessageAccessCodeSent
/// 3003: MessageConfirmationSent
/// 3004: MessageDeletionSent
/// 3005: MessageCompletionSent
/// </summary>
/// <param name="status">
/// Abfrageparameter, der angibt, auf welche Referenz sich der Include bezieht.
/// 1 - Sender: Historische Datensätze, die sich auf den Include des Absenders beziehen. Sie haben Statuscodes, die mit 1* beginnen.
/// 2 - Receiver: Historische Datensätze über den Include der Empfänger. Diese haben Statuscodes, die mit 2* beginnen.
/// 3 - System: Diese werden durch Datenbank-Trigger aktualisiert und sind in den Tabellen EnvelopeHistory und EmailOut zu finden.Sie arbeiten
/// integriert mit der Anwendung EmailProfiler, um E-Mails zu versenden und haben die Codes, die mit 3* beginnen.
/// </param>
/// <returns>Gibt die HTTP-Antwort zurück.</returns>
/// <response code="200"></response>
[HttpGet("status")]
[Authorize]
public IActionResult GetEnvelopeStatus([FromQuery] EnvelopeStatus? status = null)
{
return status is null
? Ok(_memoryCache.GetEnumAsDictionary<EnvelopeStatus>("gen.api", Status.NonHist, Status.RelatedToFormApp))
: Ok(status.ToString());
}
/// <summary>
/// Ruft die gesamte Umschlaghistorie basierend auf den angegebenen Abfrageparametern ab.
/// </summary>
/// <param name="historyQuery">Die Abfrageparameter, die die Filterkriterien für die Umschlaghistorie definieren.</param>
/// <param name="cancel"></param>
/// <returns>Eine Liste von Historieneinträgen, die den angegebenen Kriterien entsprechen, oder nur der letzte Eintrag.</returns>
/// <response code="200">Die Anfrage war erfolgreich, und die Umschlaghistorie wird zurückgegeben.</response>
/// <response code="400">Die Anfrage war ungültig oder unvollständig.</response>
/// <response code="401">Der Benutzer ist nicht authentifiziert.</response>
/// <response code="403">Der Benutzer hat keine Berechtigung, auf die Ressource zuzugreifen.</response>
/// <response code="500">Ein unerwarteter Fehler ist aufgetreten.</response>
[HttpGet]
[Authorize]
public async Task<IActionResult> GetAllAsync([FromQuery] ReadHistoryQuery historyQuery, CancellationToken cancel)
{
var history = await _mediator.Send(historyQuery, cancel).ThrowIfEmpty(Exceptions.NotFound);
return Ok((historyQuery.OnlyLast) ? history.MaxBy(h => h.AddedWhen) : history);
}
}

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using System.Security.Claims;
using Microsoft.AspNetCore.Authorization;
namespace EnvelopeGenerator.API.Controllers.Interfaces;
/// <summary>
///
/// </summary>
public interface IAuthController
{
/// <summary>
///
/// </summary>
IAuthorizationService AuthService { get; }
/// <summary>
///
/// </summary>
ClaimsPrincipal User { get; }
}
/// <summary>
///
/// </summary>
public static class AuthControllerExtensions
{
/// <summary>
///
/// </summary>
/// <param name="controller"></param>
/// <param name="policyName"></param>
/// <returns></returns>
public static async Task<bool> IsUserInPolicyAsync(this IAuthController controller, string policyName)
{
var result = await controller.AuthService.AuthorizeAsync(controller.User, policyName);
return result.Succeeded;
}
}

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using DigitalData.Core.API;
using EnvelopeGenerator.Application.Resources;
using Microsoft.AspNetCore.Localization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Localization;
using EnvelopeGenerator.Application.Resources;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Controller für die Verwaltung der Lokalisierung und Spracheinstellungen.
/// </summary>
[ApiExplorerSettings(IgnoreApi = true)]
[Route("api/[controller]")]
[ApiController]
public class LocalizationController : ControllerBase
{
private static readonly Guid L_KEY = Guid.NewGuid();
private readonly ILogger<LocalizationController> _logger;
private readonly IStringLocalizer<Resource> _mLocalizer;
private readonly IStringLocalizer<Resource> _localizer;
private readonly IMemoryCache _cache;
/// <summary>
/// Konstruktor für den <see cref="LocalizationController"/>.
/// </summary>
/// <param name="logger">Logger für die Protokollierung.</param>
/// <param name="localizer">Lokalisierungsdienst für Ressourcen.</param>
/// <param name="memoryCache">Speicher-Cache für die Zwischenspeicherung von Daten.</param>
/// <param name="_modelLocalizer">Lokalisierungsdienst für Modelle.</param>
public LocalizationController(
ILogger<LocalizationController> logger,
IStringLocalizer<Resource> localizer,
IMemoryCache memoryCache,
IStringLocalizer<Resource> _modelLocalizer)
{
_logger = logger;
_localizer = localizer;
_cache = memoryCache;
_mLocalizer = _modelLocalizer;
}
/// <summary>
/// Ruft alle lokalisierten Daten ab.
/// </summary>
/// <returns>Eine Liste aller lokalisierten Daten.</returns>
[HttpGet]
public IActionResult GetAll() => Ok(_cache.GetOrCreate(Language ?? string.Empty + L_KEY, _ => _mLocalizer.ToDictionary()));
/// <summary>
/// Ruft die aktuelle Sprache ab.
/// </summary>
/// <returns>Die aktuelle Sprache oder ein NotFound-Ergebnis, wenn keine Sprache gesetzt ist.</returns>
[HttpGet("lang")]
public IActionResult GetLanguage() => Language is null ? NotFound() : Ok(Language);
/// <summary>
/// Setzt die Sprache.
/// </summary>
/// <param name="language">Die zu setzende Sprache.</param>
/// <returns>Ein Ok-Ergebnis, wenn die Sprache erfolgreich gesetzt wurde, oder ein BadRequest-Ergebnis, wenn die Eingabe ungültig ist.</returns>
[HttpPost("lang")]
public IActionResult SetLanguage([FromQuery] string language)
{
if (string.IsNullOrEmpty(language))
return BadRequest();
Language = language;
return Ok();
}
/// <summary>
/// Löscht die aktuelle Sprache.
/// </summary>
/// <returns>Ein Ok-Ergebnis, wenn die Sprache erfolgreich gelöscht wurde.</returns>
[HttpDelete("lang")]
public IActionResult DeleteLanguage()
{
Language = null;
return Ok();
}
/// <summary>
/// Eigenschaft für die Verwaltung der aktuellen Sprache über Cookies.
/// </summary>
private string? Language
{
get
{
var cookieValue = Request.Cookies[CookieRequestCultureProvider.DefaultCookieName];
if (string.IsNullOrEmpty(cookieValue))
return null;
var culture = CookieRequestCultureProvider.ParseCookieValue(cookieValue)?.Cultures[0];
return culture?.Value ?? null;
}
set
{
if (value is null)
Response.Cookies.Delete(CookieRequestCultureProvider.DefaultCookieName);
else
{
var cookieOptions = new CookieOptions()
{
Expires = DateTimeOffset.UtcNow.AddYears(1),
Secure = false,
SameSite = SameSiteMode.Strict,
HttpOnly = true
};
Response.Cookies.Append(
CookieRequestCultureProvider.DefaultCookieName,
CookieRequestCultureProvider.MakeCookieValue(new RequestCulture(value)),
cookieOptions);
}
}
}
}

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using DigitalData.Core.Abstraction.Application.DTO;
using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiverReadOnly;
using EnvelopeGenerator.Application.Common.Interfaces.Services;
using EnvelopeGenerator.Domain.Constants;
using EnvelopeGenerator.API.Extensions;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Manages read-only envelope sharing flows.
/// </summary>
[Route("api/[controller]")]
[ApiController]
public class ReadOnlyController : ControllerBase
{
private readonly ILogger<ReadOnlyController> _logger;
private readonly IEnvelopeReceiverReadOnlyService _readOnlyService;
private readonly IEnvelopeMailService _mailService;
private readonly IEnvelopeHistoryService _historyService;
/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyController"/> class.
/// </summary>
public ReadOnlyController(ILogger<ReadOnlyController> logger, IEnvelopeReceiverReadOnlyService readOnlyService, IEnvelopeMailService mailService, IEnvelopeHistoryService historyService)
{
_logger = logger;
_readOnlyService = readOnlyService;
_mailService = mailService;
_historyService = historyService;
}
/// <summary>
/// Creates a new read-only receiver for the current envelope.
/// </summary>
/// <param name="createDto">Creation payload.</param>
[HttpPost]
[Authorize(Policy = AuthPolicy.Receiver)]
[Obsolete("Use MediatR")]
public async Task<IActionResult> CreateAsync([FromBody] EnvelopeReceiverReadOnlyCreateDto createDto)
{
var authReceiverMail = User.ReceiverMail();
if (authReceiverMail is null)
{
_logger.LogError("EmailAddress claim is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
return Unauthorized();
}
var envelopeId = User.EnvelopeId();
createDto.AddedWho = authReceiverMail;
createDto.EnvelopeId = envelopeId;
var creationRes = await _readOnlyService.CreateAsync(createDto: createDto);
if (creationRes.IsFailed)
{
_logger.LogNotice(creationRes);
return StatusCode(StatusCodes.Status500InternalServerError);
}
var readRes = await _readOnlyService.ReadByIdAsync(creationRes.Data.Id);
if (readRes.IsFailed)
{
_logger.LogNotice(creationRes);
return StatusCode(StatusCodes.Status500InternalServerError);
}
var newReadOnly = readRes.Data;
return await _mailService.SendAsync(newReadOnly).ThenAsync<int, IActionResult>(SuccessAsync: async _ =>
{
var histRes = await _historyService.RecordAsync((int)createDto.EnvelopeId, createDto.AddedWho, EnvelopeStatus.EnvelopeShared);
if (histRes.IsFailed)
{
_logger.LogError("Although the envelope was sent as read-only, the EnvelopeShared history could not be saved. Create DTO:\n{createDto}", JsonConvert.SerializeObject(createDto));
_logger.LogNotice(histRes.Notices);
}
return Ok();
},
Fail: (msg, ntc) =>
{
_logger.LogNotice(ntc);
return StatusCode(StatusCodes.Status500InternalServerError);
});
}
}

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using MediatR;
using EnvelopeGenerator.Application.Receivers.Queries;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
namespace EnvelopeGenerator.GeneratorAPI.Controllers;
/// <summary>
/// Controller für die Verwaltung von Empfängern.
/// </summary>
/// <remarks>
/// Dieser Controller bietet Endpunkte für das Abrufen von Empfängern basierend auf E-Mail-Adresse oder Signatur.
/// </remarks>
[Route("api/[controller]")]
[ApiController]
[Authorize]
public class ReceiverController : ControllerBase
{
private readonly IMediator _mediator;
/// <summary>
/// Initialisiert eine neue Instanz des <see cref="ReceiverController"/>-Controllers.
/// </summary>
/// <param name="mediator">Mediator für Anfragen.</param>
public ReceiverController(IMediator mediator)
{
_mediator = mediator;
}
/// <summary>
/// Ruft eine Liste von Empfängern ab, basierend auf den angegebenen Abfrageparametern.
/// </summary>
/// <param name="receiver">Die Abfrageparameter, einschließlich E-Mail-Adresse und Signatur.</param>
/// <returns>Eine Liste von Empfängern oder ein Fehlerstatus.</returns>
[HttpGet]
public async Task<IActionResult> Get([FromQuery] ReadReceiverQuery receiver)
{
if (!receiver.HasAnyCriteria)
{
var all = await _mediator.Send(new ReadReceiverQuery());
return Ok(all);
}
var result = await _mediator.Send(receiver);
return result is null ? NotFound() : Ok(result);
}
}

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using EnvelopeGenerator.API.Extensions;
using EnvelopeGenerator.Application.Common.Dto;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.Documents.Queries;
using EnvelopeGenerator.Domain.Constants;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
///
/// </summary>
[Authorize(Policy = AuthPolicy.Receiver)]
[ApiController]
[Route("api/[controller]")]
public class SignatureController : ControllerBase
{
private readonly IMediator _mediator;
/// <summary>
/// Initializes a new instance of <see cref="SignatureController"/>.
/// </summary>
public SignatureController(IMediator mediator)
{
_mediator = mediator;
}
//TODO: update to use signature query
/// <summary>
///
/// </summary>
/// <param name="envelopeKey"></param>
/// <param name="cancel"></param>
/// <returns></returns>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpGet("{envelopeKey}")]
public async Task<IActionResult> Get(string envelopeKey, CancellationToken cancel)
{
int envelopeId = User.EnvelopeId();
int receiverId = User.ReceiverId();
var doc = await _mediator.Send(new ReadDocumentQuery() { EnvelopeId = envelopeId }, cancel);
if (doc.Elements is not IEnumerable<DocReceiverElementDto> docSignatures)
return NotFound("Document is empty.");
var rcvSignatures = docSignatures.Where(s => s.ReceiverId == receiverId).ToList();
if (rcvSignatures is null)
return NotFound("No signatures found for the current receiver.");
else
return Ok(rcvSignatures);
}
}

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using DigitalData.Core.Abstraction.Application.DTO;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.Common.Interfaces.Services;
using EnvelopeGenerator.Application.Resources;
using EnvelopeGenerator.Domain.Constants;
using EnvelopeGenerator.API.Models;
using Ganss.Xss;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Localization;
using Microsoft.Extensions.Options;
namespace EnvelopeGenerator.API.Controllers;
/// <summary>
/// Exposes endpoints for registering and managing two-factor authentication for envelope receivers.
/// </summary>
[ApiController]
[Route("api/tfa")]
public class TfaRegistrationController : ControllerBase
{
private readonly ILogger<TfaRegistrationController> _logger;
private readonly IEnvelopeReceiverService _envelopeReceiverService;
private readonly IAuthenticator _authenticator;
private readonly IReceiverService _receiverService;
private readonly TFARegParams _parameters;
private readonly IStringLocalizer<Resource> _localizer;
/// <summary>
/// Initializes a new instance of the <see cref="TfaRegistrationController"/> class.
/// </summary>
public TfaRegistrationController(
ILogger<TfaRegistrationController> logger,
IEnvelopeReceiverService envelopeReceiverService,
IAuthenticator authenticator,
IReceiverService receiverService,
IOptions<TFARegParams> tfaRegParamsOptions,
IStringLocalizer<Resource> localizer)
{
_logger = logger;
_envelopeReceiverService = envelopeReceiverService;
_authenticator = authenticator;
_receiverService = receiverService;
_parameters = tfaRegParamsOptions.Value;
_localizer = localizer;
}
/// <summary>
/// Generates registration metadata (QR code and deadline) for a receiver.
/// </summary>
/// <param name="envelopeReceiverId">Encoded envelope receiver id.</param>
[Authorize]
[HttpGet("{envelopeReceiverId}")]
public async Task<IActionResult> RegisterAsync(string envelopeReceiverId)
{
try
{
var (uuid, signature) = envelopeReceiverId.DecodeEnvelopeReceiverId();
if (uuid is null || signature is null)
{
_logger.LogEnvelopeError(uuid: uuid, signature: signature, message: _localizer.WrongEnvelopeReceiverId());
return Unauthorized(new { message = _localizer.WrongEnvelopeReceiverId() });
}
var secretResult = await _envelopeReceiverService.ReadWithSecretByUuidSignatureAsync(uuid: uuid, signature: signature);
if (secretResult.IsFailed)
{
_logger.LogNotice(secretResult.Notices);
return NotFound(new { message = _localizer.WrongEnvelopeReceiverId() });
}
var envelopeReceiver = secretResult.Data;
if (!envelopeReceiver.Envelope!.TFAEnabled)
return Unauthorized(new { message = _localizer.WrongAccessCode() });
var receiver = envelopeReceiver.Receiver;
receiver!.TotpSecretkey = _authenticator.GenerateTotpSecretKey();
await _receiverService.UpdateAsync(receiver);
var totpQr64 = _authenticator.GenerateTotpQrCode(userEmail: receiver.EmailAddress, secretKey: receiver.TotpSecretkey).ToBase64String();
if (receiver.TfaRegDeadline is null)
{
receiver.TfaRegDeadline = _parameters.Deadline;
await _receiverService.UpdateAsync(receiver);
}
else if (receiver.TfaRegDeadline <= DateTime.Now)
{
return StatusCode(StatusCodes.Status410Gone, new { message = _localizer.WrongAccessCode() });
}
return Ok(new
{
envelopeReceiver.EnvelopeId,
envelopeReceiver.Envelope!.Uuid,
envelopeReceiver.Receiver!.Signature,
receiver.TfaRegDeadline,
TotpQR64 = totpQr64
});
}
catch (Exception ex)
{
_logger.LogEnvelopeError(envelopeReceiverId: envelopeReceiverId, exception: ex, message: _localizer.WrongEnvelopeReceiverId());
return StatusCode(StatusCodes.Status500InternalServerError, new { message = _localizer.UnexpectedError() });
}
}
/// <summary>
/// Logs out the envelope receiver from cookie authentication.
/// </summary>
[Authorize(Policy = AuthPolicy.Receiver)]
[HttpPost("auth/logout")]
public async Task<IActionResult> LogOutAsync()
{
try
{
await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
return Ok();
}
catch (Exception ex)
{
_logger.LogError(ex, "{message}", ex.Message);
return StatusCode(StatusCodes.Status500InternalServerError, new { message = _localizer.UnexpectedError() });
}
}
}