84 lines
3.5 KiB
C#
84 lines
3.5 KiB
C#
using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Tiku.Api.Contracts;
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using Tiku.Application.Assets;
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using Tiku.Application.Security;
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using Tiku.Application.Tenancy;
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namespace Tiku.Api.Controllers;
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[ApiController]
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[Tags("学生端-资源访问")]
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[AllowAnonymous]
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[Produces("application/json")]
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[Route("api/student/assets")]
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public sealed class AssetsController(
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IAssetAccessService assetAccessService,
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ITenantContext currentTenant,
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ICurrentUser currentUser,
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ITenantDirectory tenantDirectory) : ControllerBase
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{
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[HttpGet("{assetId:guid}/download")]
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[EndpointSummary("获取资源下载地址")]
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[ProducesResponseType<AssetAccessResponseDto>(StatusCodes.Status200OK)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status401Unauthorized)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status403Forbidden)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status404NotFound)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status409Conflict)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status503ServiceUnavailable)]
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public async Task<ActionResult<AssetAccessResponseDto>> Download(
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Guid assetId,
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[FromQuery] AssetAccessQueryDto query,
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CancellationToken cancellationToken)
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{
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var result = await assetAccessService.DownloadAsync(
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ToRequest(assetId, query, await ResolveTenantIdAsync(query.TenantCode, cancellationToken)),
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cancellationToken);
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return Ok(AssetAccessResponseDto.FromApplication(result));
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}
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[HttpGet("{assetId:guid}/preview")]
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[EndpointSummary("获取资源预览地址")]
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[ProducesResponseType<AssetAccessResponseDto>(StatusCodes.Status200OK)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status401Unauthorized)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status403Forbidden)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status404NotFound)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status409Conflict)]
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[ProducesResponseType<ProblemDetails>(StatusCodes.Status503ServiceUnavailable)]
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public async Task<ActionResult<AssetAccessResponseDto>> Preview(
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Guid assetId,
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[FromQuery] AssetAccessQueryDto query,
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CancellationToken cancellationToken)
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{
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var result = await assetAccessService.PreviewAsync(
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ToRequest(assetId, query, await ResolveTenantIdAsync(query.TenantCode, cancellationToken)),
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cancellationToken);
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return Ok(AssetAccessResponseDto.FromApplication(result));
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}
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private AssetAccessRequest ToRequest(Guid assetId, AssetAccessQueryDto query, Guid tenantId)
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{
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return new AssetAccessRequest(
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tenantId,
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assetId,
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currentUser.UserId,
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HttpContext.Connection.RemoteIpAddress?.ToString(),
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Request.Headers.UserAgent.ToString(),
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query.ExpiresInSeconds.HasValue
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? TimeSpan.FromSeconds(query.ExpiresInSeconds.Value)
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: null);
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}
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private async Task<Guid> ResolveTenantIdAsync(string? tenantCode, CancellationToken cancellationToken)
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{
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if (currentTenant.TenantId.HasValue) return currentTenant.TenantId.Value;
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var resolvedTenantCode = tenantCode ?? Request.Headers["x-tenant-code"].FirstOrDefault();
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if (string.IsNullOrWhiteSpace(resolvedTenantCode)) throw new TenantNotFoundException();
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var tenant = await tenantDirectory.FindByCodeAsync(resolvedTenantCode, cancellationToken);
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return tenant?.TenantId ?? throw new TenantNotFoundException();
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}
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} |