TekH
ea6f3e61be
The `GetDocumentOfReceiver` method was introduced to handle retrieving a document for a specified envelope key. It is secured with the `[Authorize(Policy = AuthPolicy.Receiver)]` attribute and responds to HTTP GET requests with a route parameter `envelopeKey`. The previous logic for extracting and validating the `envelopeId` from user claims was removed. This was replaced with a call to `User.GetEnvelopeIdOfReceiver()` for improved clarity and maintainability. The method uses the `mediator` to send a `ReadDocumentQuery` and returns a `NotFound` response if the document's `ByteData` is empty.
85 lines
3.2 KiB
C#
85 lines
3.2 KiB
C#
using DigitalData.Auth.Claims;
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using EnvelopeGenerator.API.Controllers.Interfaces;
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using EnvelopeGenerator.API.Extensions;
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using EnvelopeGenerator.Application.Documents.Queries;
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using EnvelopeGenerator.Domain.Constants;
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using MediatR;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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namespace EnvelopeGenerator.API.Controllers;
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/// <summary>
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/// Provides access to envelope documents for authenticated receivers.
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/// </summary>
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/// <remarks>
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/// Initializes a new instance of the <see cref="DocumentController"/> class.
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/// </remarks>
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[ApiController]
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[Route("api/[controller]")]
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public class DocumentController(IMediator mediator, IAuthorizationService authService, ILogger<DocumentController> logger) : ControllerBase, IAuthController
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{
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/// <summary>
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///
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/// </summary>
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public IAuthorizationService AuthService => authService;
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/// <summary>
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/// Returns the document bytes receiver.
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/// </summary>
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/// <param name="query">Encoded envelope key.</param>
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/// <param name="cancel">Cancellation token.</param>
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[HttpGet]
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[Authorize(Policy = AuthPolicy.SenderOrReceiver)]
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public async Task<IActionResult> GetDocument(CancellationToken cancel, [FromQuery] ReadDocumentQuery? query = null)
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{
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// Sender: expects query with envelope key
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if (await this.IsUserInPolicyAsync(AuthPolicy.Sender))
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{
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if (query is null)
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return BadRequest("Missing document query.");
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var senderDoc = await mediator.Send(query, cancel);
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return senderDoc.ByteData is byte[] senderDocByte
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? File(senderDocByte, "application/octet-stream")
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: NotFound("Document is empty.");
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}
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// Receiver: resolve envelope id from claims
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if (await this.IsUserInPolicyAsync(AuthPolicy.Receiver))
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{
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if (query is not null)
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return BadRequest("Query parameters are not allowed for receiver role.");
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var envelopeId = User.GetEnvelopeIdOfReceiver();
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var receiverDoc = await mediator.Send(new ReadDocumentQuery { EnvelopeId = envelopeId }, cancel);
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return receiverDoc.ByteData is byte[] receiverDocByte
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? File(receiverDocByte, "application/octet-stream")
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: NotFound("Document is empty.");
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}
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return Unauthorized();
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}
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/// <summary>
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/// Gets the document for the specified envelope key.
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/// </summary>
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/// <param name="envelopeKey"></param>
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/// <param name="cancel"></param>
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/// <returns></returns>
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[Authorize(Policy = AuthPolicy.Receiver)]
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[HttpGet("{envelopeKey}")]
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public async Task<IActionResult> GetDocumentOfReceiver(string envelopeKey, CancellationToken cancel)
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{
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int envelopeId = User.GetEnvelopeIdOfReceiver();
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var senderDoc = await mediator.Send(new ReadDocumentQuery() { EnvelopeId = envelopeId }, cancel);
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if (senderDoc.ByteData is not byte[] senderDocByte)
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return NotFound("Document is empty.");
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Response.Headers.ContentDisposition = $"inline; filename=\"{envelopeKey}.pdf\"";
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return File(senderDocByte, "application/pdf");
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}
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}
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