97 lines
3.0 KiB
C#
97 lines
3.0 KiB
C#
using System.ComponentModel;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using NewLife;
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using NewLife.Remoting;
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using Stardust.Data.Deployment;
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namespace Stardust.Server.Controllers;
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/// <summary>魔方前端数据接口</summary>
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[DisplayName("数据接口")]
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[ApiController]
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[Route("{controller}/{action}")]
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public class CubeController : ControllerBase
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{
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#region 附件
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private async Task<(Attachment att, String filePath)> GetFile(String id)
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{
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if (id.IsNullOrEmpty()) throw new ApiException(ApiCode.NotFound, "非法附件编号");
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// 去掉仅用于装饰的后缀名
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var p = id.IndexOf('.');
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if (p > 0) id = id[..p];
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var att = Attachment.FindById(id.ToLong());
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if (att == null) throw new ApiException(ApiCode.NotFound, "找不到附件信息");
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var set = StarServerSetting.Current;
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// 如果附件不存在，则抓取
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var filePath = att.GetFilePath(set.UploadPath);
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if (filePath.IsNullOrEmpty() || !System.IO.File.Exists(filePath))
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{
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var url = att.Source;
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if (url.IsNullOrEmpty()) throw new ApiException(ApiCode.NotFound, "找不到附件文件");
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var rs = await att.Fetch(url, set.UploadPath);
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if (!rs) throw new ApiException(ApiCode.NotFound, "附件远程抓取失败");
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filePath = att.GetFilePath(set.UploadPath);
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}
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if (filePath.IsNullOrEmpty() || !System.IO.File.Exists(filePath)) throw new ApiException(ApiCode.NotFound, "附件文件不存在");
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return (att, filePath);
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}
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/// <summary>
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/// 访问图片附件
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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[AllowAnonymous]
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public async Task<ActionResult> Image(String id)
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{
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if (id.IsNullOrEmpty()) return NotFound("非法附件编号");
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try
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{
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var (att, filePath) = await GetFile(id);
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if (!att.ContentType.IsNullOrEmpty())
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return PhysicalFile(filePath, att.ContentType, att.FileName);
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else
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return PhysicalFile(filePath, "image/png", att.FileName);
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}
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catch (ApiException ex) when (ex.Code == 404)
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{
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return NotFound(ex.Message);
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}
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}
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/// <summary>
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/// 访问附件
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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[AllowAnonymous]
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public async Task<ActionResult> File(String id)
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{
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if (id.IsNullOrEmpty()) return NotFound("非法附件编号");
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try
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{
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var (att, filePath) = await GetFile(id);
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if (!att.ContentType.IsNullOrEmpty() && !att.ContentType.EqualIgnoreCase("application/octet-stream"))
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return PhysicalFile(filePath, att.ContentType, att.FileName);
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else
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return PhysicalFile(filePath, "application/octet-stream", att.FileName, true);
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}
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catch (ApiException ex) when (ex.Code == 404)
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{
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return NotFound(ex.Message);
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}
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}
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#endregion
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} |