522 lines
23 KiB
C#
522 lines
23 KiB
C#
// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
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using Aliyun.OSS.Util;
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using OnceMi.AspNetCore.OSS;
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namespace Admin.NET.Core.Service;
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/// <summary>
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/// 系统文件服务 🧩
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/// </summary>
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[ApiDescriptionSettings(Order = 410, Description = "系统文件")]
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public class SysFileService : IDynamicApiController, ITransient
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{
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private readonly UserManager _userManager;
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private readonly SqlSugarRepository<SysFile> _sysFileRep;
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private readonly OSSProviderOptions _OSSProviderOptions;
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private readonly UploadOptions _uploadOptions;
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private readonly IOSSService _OSSService;
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private readonly string _imageType = ".jpeg.jpg.png.bmp.gif.tif";
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public SysFileService(UserManager userManager,
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SqlSugarRepository<SysFile> sysFileRep,
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IOptions<OSSProviderOptions> oSSProviderOptions,
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IOptions<UploadOptions> uploadOptions,
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IOSSServiceFactory ossServiceFactory)
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{
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_userManager = userManager;
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_sysFileRep = sysFileRep;
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_OSSProviderOptions = oSSProviderOptions.Value;
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_uploadOptions = uploadOptions.Value;
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if (_OSSProviderOptions.IsEnable)
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_OSSService = ossServiceFactory.Create(Enum.GetName(_OSSProviderOptions.Provider));
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}
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/// <summary>
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/// 获取文件分页列表 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("获取文件分页列表")]
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public async Task<SqlSugarPagedList<SysFile>> Page(PageFileInput input)
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{
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// 获取所有公开附件
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var publicList = _sysFileRep.AsQueryable().ClearFilter().Where(u => u.IsPublic == true);
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// 获取私有附件
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var privateList = _sysFileRep.AsQueryable().Where(u => u.IsPublic == false);
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// 合并公开和私有附件并分页
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return await _sysFileRep.Context.UnionAll(publicList, privateList)
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.WhereIF(!string.IsNullOrWhiteSpace(input.FileName), u => u.FileName.Contains(input.FileName.Trim()))
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.WhereIF(!string.IsNullOrWhiteSpace(input.StartTime.ToString()) && !string.IsNullOrWhiteSpace(input.EndTime.ToString()),
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u => u.CreateTime >= input.StartTime && u.CreateTime <= input.EndTime)
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.OrderBy(u => u.CreateTime, OrderByType.Desc)
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.ToPagedListAsync(input.Page, input.PageSize);
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}
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/// <summary>
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/// 上传文件 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("上传文件")]
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public async Task<SysFile> UploadFile([FromForm] FileUploadInput input)
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{
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return await HandleUploadFile(input.File, input.Path, fileType: input.FileType, isPublic: input.IsPublic);
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}
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/// <summary>
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/// 上传文件Base64 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("上传文件Base64")]
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public async Task<SysFile> UploadFileFromBase64(UploadFileFromBase64Input input)
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{
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byte[] fileData = Convert.FromBase64String(input.FileDataBase64);
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var ms = new MemoryStream();
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ms.Write(fileData);
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ms.Seek(0, SeekOrigin.Begin);
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if (string.IsNullOrEmpty(input.FileName))
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input.FileName = $"{YitIdHelper.NextId()}.jpg";
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if (string.IsNullOrEmpty(input.ContentType))
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input.ContentType = "image/jpg";
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IFormFile formFile = new FormFile(ms, 0, fileData.Length, "file", input.FileName)
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{
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Headers = new HeaderDictionary(),
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ContentType = input.ContentType
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};
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return await UploadFile(new FileUploadInput { File = formFile, Path = input.Path, FileType = input.FileType, IsPublic = input.IsPublic });
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}
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/// <summary>
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/// 上传多文件 🔖
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/// </summary>
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/// <param name="files"></param>
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/// <returns></returns>
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[DisplayName("上传多文件")]
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public async Task<List<SysFile>> UploadFiles([Required] List<IFormFile> files)
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{
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var filelist = new List<SysFile>();
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foreach (var file in files)
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{
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filelist.Add(await UploadFile(new FileUploadInput { File = file }));
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}
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return filelist;
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}
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/// <summary>
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/// 根据文件Id或Url下载 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("根据文件Id或Url下载")]
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public async Task<IActionResult> DownloadFile(FileInput input)
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{
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var file = input.Id > 0 ? await GetFile(input) : await _sysFileRep.CopyNew().GetFirstAsync(u => u.Url == input.Url);
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var fileName = HttpUtility.UrlEncode(file.FileName, Encoding.GetEncoding("UTF-8"));
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var filePath = Path.Combine(file.FilePath, file.Id.ToString() + file.Suffix);
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if (_OSSProviderOptions.IsEnable)
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{
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var stream = await (await _OSSService.PresignedGetObjectAsync(file.BucketName.ToString(), filePath, 5)).GetAsStreamAsync();
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return new FileStreamResult(stream.Stream, "application/octet-stream") { FileDownloadName = fileName + file.Suffix };
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}
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else if (App.Configuration["SSHProvider:IsEnable"].ToBoolean())
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{
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using (SSHHelper helper = new SSHHelper(App.Configuration["SSHProvider:Host"],
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App.Configuration["SSHProvider:Port"].ToInt(), App.Configuration["SSHProvider:Username"], App.Configuration["SSHProvider:Password"]))
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{
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return new FileStreamResult(helper.OpenRead(filePath), "application/octet-stream") { FileDownloadName = fileName + file.Suffix };
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}
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}
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else
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{
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var path = Path.Combine(App.WebHostEnvironment.WebRootPath, filePath);
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return new FileStreamResult(new FileStream(path, FileMode.Open), "application/octet-stream") { FileDownloadName = fileName + file.Suffix };
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}
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}
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/// <summary>
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/// 文件预览 🔖
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/// </summary>
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/// <param name="Id"></param>
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/// <returns></returns>
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[DisplayName("文件预览")]
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public async Task<IActionResult> GetPreview([FromRoute] long Id)
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{
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var file = await GetFile(new FileInput { Id = Id });
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//var fileName = HttpUtility.UrlEncode(file.FileName, Encoding.GetEncoding("UTF-8"));
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var filePath = Path.Combine(file.FilePath, file.Id.ToString() + file.Suffix);
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if (_OSSProviderOptions.IsEnable)
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{
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var stream = await (await _OSSService.PresignedGetObjectAsync(file.BucketName.ToString(), filePath, 5)).GetAsStreamAsync();
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return new FileStreamResult(stream.Stream, "application/octet-stream");
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}
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else if (App.Configuration["SSHProvider:IsEnable"].ToBoolean())
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{
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using (SSHHelper helper = new SSHHelper(App.Configuration["SSHProvider:Host"],
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App.Configuration["SSHProvider:Port"].ToInt(), App.Configuration["SSHProvider:Username"], App.Configuration["SSHProvider:Password"]))
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{
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return new FileStreamResult(helper.OpenRead(filePath), "application/octet-stream");
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}
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}
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else
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{
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var path = Path.Combine(App.WebHostEnvironment.WebRootPath, filePath);
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return new FileStreamResult(new FileStream(path, FileMode.Open), "application/octet-stream");
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}
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}
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/// <summary>
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/// 下载指定文件Base64格式 🔖
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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[DisplayName("下载指定文件Base64格式")]
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public async Task<string> DownloadFileBase64([FromBody] string url)
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{
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if (_OSSProviderOptions.IsEnable)
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{
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using var httpClient = new HttpClient();
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HttpResponseMessage response = await httpClient.GetAsync(url);
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if (response.IsSuccessStatusCode)
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{
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// 读取文件内容并将其转换为 Base64 字符串
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byte[] fileBytes = await response.Content.ReadAsByteArrayAsync();
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return Convert.ToBase64String(fileBytes);
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}
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else
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{
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throw new HttpRequestException($"Request failed with status code: {response.StatusCode}");
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}
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}
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else if (App.Configuration["SSHProvider:IsEnable"].ToBoolean())
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{
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var sysFile = await _sysFileRep.CopyNew().GetFirstAsync(u => u.Url == url) ?? throw Oops.Oh($"文件不存在");
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using (SSHHelper helper = new SSHHelper(App.Configuration["SSHProvider:Host"],
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App.Configuration["SSHProvider:Port"].ToInt(), App.Configuration["SSHProvider:Username"], App.Configuration["SSHProvider:Password"]))
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{
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return Convert.ToBase64String(helper.ReadAllBytes(sysFile.FilePath));
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}
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}
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else
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{
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var sysFile = await _sysFileRep.CopyNew().GetFirstAsync(u => u.Url == url) ?? throw Oops.Oh($"文件不存在");
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var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, sysFile.FilePath);
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if (!Directory.Exists(filePath))
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Directory.CreateDirectory(filePath);
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var realFile = Path.Combine(filePath, $"{sysFile.Id}{sysFile.Suffix}");
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if (!File.Exists(realFile))
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{
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Log.Error($"DownloadFileBase64:文件[{realFile}]不存在");
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throw Oops.Oh($"文件[{sysFile.FilePath}]不存在");
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}
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byte[] fileBytes = File.ReadAllBytes(realFile);
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return Convert.ToBase64String(fileBytes);
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}
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}
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/// <summary>
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/// 删除文件 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[ApiDescriptionSettings(Name = "Delete"), HttpPost]
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[DisplayName("删除文件")]
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public async Task DeleteFile(DeleteFileInput input)
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{
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var file = await _sysFileRep.GetByIdAsync(input.Id);
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if (file != null)
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{
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await _sysFileRep.DeleteAsync(file);
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if (_OSSProviderOptions.IsEnable)
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{
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await _OSSService.RemoveObjectAsync(file.BucketName.ToString(), string.Concat(file.FilePath, "/", $"{input.Id}{file.Suffix}"));
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}
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else if (App.Configuration["SSHProvider:IsEnable"].ToBoolean())
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{
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var fullPath = string.Concat(file.FilePath, "/", file.Id + file.Suffix);
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using (SSHHelper helper = new SSHHelper(App.Configuration["SSHProvider:Host"],
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App.Configuration["SSHProvider:Port"].ToInt(), App.Configuration["SSHProvider:Username"], App.Configuration["SSHProvider:Password"]))
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{
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helper.DeleteFile(fullPath);
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}
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}
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else
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{
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var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, file.FilePath, input.Id.ToString() + file.Suffix);
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if (File.Exists(filePath))
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File.Delete(filePath);
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}
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}
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}
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/// <summary>
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/// 更新文件 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[ApiDescriptionSettings(Name = "Update"), HttpPost]
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[DisplayName("更新文件")]
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public async Task UpdateFile(FileInput input)
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{
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var isExist = await _sysFileRep.IsAnyAsync(u => u.Id == input.Id);
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if (!isExist) throw Oops.Oh(ErrorCodeEnum.D8000);
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await _sysFileRep.UpdateAsync(u => new SysFile() { FileName = input.FileName, FileType = input.FileType, IsPublic = input.IsPublic }, u => u.Id == input.Id);
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}
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/// <summary>
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/// 获取文件 🔖
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("获取文件")]
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public async Task<SysFile> GetFile([FromQuery] FileInput input)
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{
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var file = await _sysFileRep.CopyNew().GetByIdAsync(input.Id);
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return file ?? throw Oops.Oh(ErrorCodeEnum.D8000);
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="file">文件</param>
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/// <param name="savePath">路径</param>
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/// <param name="allowSuffix">允许格式：.jpg.png.gif.tif.bmp</param>
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/// <param name="fileType">类型</param>
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/// <param name="isPublic">是否公开</param>
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/// <returns></returns>
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private async Task<SysFile> HandleUploadFile(IFormFile file, string savePath, string allowSuffix = "", string fileType = "", bool isPublic = false)
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{
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if (file == null) throw Oops.Oh(ErrorCodeEnum.D8000);
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// 判断是否重复上传的文件
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var sizeKb = file.Length / 1024; // 大小KB
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var fileMd5 = string.Empty;
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if (_uploadOptions.EnableMd5)
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{
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using (var fileStream = file.OpenReadStream())
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{
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fileMd5 = OssUtils.ComputeContentMd5(fileStream, fileStream.Length);
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}
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/*
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* Mysql8 中如果使用了 utf8mb4_general_ci 之外的编码会出错，尽量避免在条件里使用.ToString()
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* 因为 Squsugar 并不是把变量转换为字符串来构造SQL语句，而是构造了CAST(123 AS CHAR)这样的语句，这样这个返回值是utf8mb4_general_ci，所以容易出错。
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*/
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var sysFile = await _sysFileRep.GetFirstAsync(u => u.FileMd5 == fileMd5 && u.SizeKb == sizeKb);
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if (sysFile != null) return sysFile;
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}
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// 验证文件类型
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if (!_uploadOptions.ContentType.Contains(file.ContentType))
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throw Oops.Oh($"{ErrorCodeEnum.D8001}:{file.ContentType}");
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// 验证文件大小
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if (sizeKb > _uploadOptions.MaxSize)
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throw Oops.Oh($"{ErrorCodeEnum.D8002}，允许最大：{_uploadOptions.MaxSize}KB");
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// 获取文件后缀
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var suffix = Path.GetExtension(file.FileName).ToLower(); // 后缀
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if (string.IsNullOrWhiteSpace(suffix))
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suffix = string.Concat(".", file.ContentType.AsSpan(file.ContentType.LastIndexOf('/') + 1));
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if (!string.IsNullOrWhiteSpace(suffix))
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{
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//var contentTypeProvider = FS.GetFileExtensionContentTypeProvider();
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//suffix = contentTypeProvider.Mappings.FirstOrDefault(u => u.Value == file.ContentType).Key;
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// 修改 image/jpeg 类型返回的 .jpeg、jpe 后缀
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if (suffix == ".jpeg" || suffix == ".jpe")
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suffix = ".jpg";
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}
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if (string.IsNullOrWhiteSpace(suffix))
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throw Oops.Oh(ErrorCodeEnum.D8003);
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// 防止客户端伪造文件类型
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if (!string.IsNullOrWhiteSpace(allowSuffix) && !allowSuffix.Contains(suffix))
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throw Oops.Oh(ErrorCodeEnum.D8003);
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//if (!VerifyFileExtensionName.IsSameType(file.OpenReadStream(), suffix))
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// throw Oops.Oh(ErrorCodeEnum.D8001);
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var path = string.IsNullOrWhiteSpace(savePath) ? _uploadOptions.Path : savePath;
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path = path.ParseToDateTimeForRep();
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var newFile = new SysFile
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{
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Id = YitIdHelper.NextId(),
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// BucketName = _OSSProviderOptions.IsEnable ? _OSSProviderOptions.Provider.ToString() : "Local",
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// 阿里云对bucket名称有要求，1.只能包括小写字母，数字，短横线（-）2.必须以小写字母或者数字开头 3.长度必须在3-63字节之间
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// 无法使用Provider
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BucketName = _OSSProviderOptions.IsEnable ? _OSSProviderOptions.Bucket : "Local",
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FileName = Path.GetFileNameWithoutExtension(file.FileName),
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Suffix = suffix,
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SizeKb = sizeKb,
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FilePath = path,
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FileMd5 = fileMd5,
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FileType = fileType,
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IsPublic = isPublic,
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};
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var finalName = newFile.Id + suffix; // 文件最终名称
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if (_OSSProviderOptions.IsEnable)
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{
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newFile.Provider = Enum.GetName(_OSSProviderOptions.Provider);
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var filePath = string.Concat(path, "/", finalName);
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await _OSSService.PutObjectAsync(newFile.BucketName, filePath, file.OpenReadStream());
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// http://<你的bucket名字>.oss.aliyuncs.com/<你的object名字>
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// 生成外链地址 方便前端预览
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switch (_OSSProviderOptions.Provider)
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{
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case OSSProvider.Aliyun:
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newFile.Url = $"{(_OSSProviderOptions.IsEnableHttps ? "https" : "http")}://{newFile.BucketName}.{_OSSProviderOptions.Endpoint}/{filePath}";
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break;
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case OSSProvider.QCloud:
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newFile.Url = $"{(_OSSProviderOptions.IsEnableHttps ? "https" : "http")}://{newFile.BucketName}-{_OSSProviderOptions.Endpoint}.cos.{_OSSProviderOptions.Region}.myqcloud.com/{filePath}";
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break;
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case OSSProvider.Minio:
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// 获取Minio文件的下载或者预览地址
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// newFile.Url = await GetMinioPreviewFileUrl(newFile.BucketName, filePath);// 这种方法生成的Url是有7天有效期的，不能这样使用
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// 需要在MinIO中的Buckets开通对 Anonymous 的readonly权限
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var customHost = _OSSProviderOptions.CustomHost;
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if (string.IsNullOrWhiteSpace(customHost))
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customHost = _OSSProviderOptions.Endpoint;
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newFile.Url = $"{(_OSSProviderOptions.IsEnableHttps ? "https" : "http")}://{customHost}/{newFile.BucketName}/{filePath}";
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break;
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}
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}
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else if (App.Configuration["SSHProvider:IsEnable"].ToBoolean())
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{
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var fullPath = string.Concat(path.StartsWith('/') ? path : "/" + path, "/", finalName);
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using (SSHHelper helper = new SSHHelper(App.Configuration["SSHProvider:Host"],
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App.Configuration["SSHProvider:Port"].ToInt(), App.Configuration["SSHProvider:Username"], App.Configuration["SSHProvider:Password"]))
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{
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helper.UploadFile(file.OpenReadStream(), fullPath);
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}
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}
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else
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{
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newFile.Provider = ""; // 本地存储 Provider 显示为空
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var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, path);
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if (!Directory.Exists(filePath))
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Directory.CreateDirectory(filePath);
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var realFile = Path.Combine(filePath, finalName);
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using (var stream = File.Create(realFile))
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{
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await file.CopyToAsync(stream);
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}
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// 生成外链
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var host = CommonUtil.GetLocalhost();
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if (!host.EndsWith('/'))
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host += "/";
|
||
newFile.Url = $"{host}{newFile.FilePath}/{newFile.Id + newFile.Suffix}";
|
||
}
|
||
await _sysFileRep.AsInsertable(newFile).ExecuteCommandAsync();
|
||
return newFile;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 上传头像 🔖
|
||
/// </summary>
|
||
/// <param name="file"></param>
|
||
/// <returns></returns>
|
||
[DisplayName("上传头像")]
|
||
public async Task<SysFile> UploadAvatar([Required] IFormFile file)
|
||
{
|
||
var sysFile = await HandleUploadFile(file, "upload/avatar", _imageType);
|
||
|
||
var sysUserRep = _sysFileRep.ChangeRepository<SqlSugarRepository<SysUser>>();
|
||
var user = await sysUserRep.GetByIdAsync(_userManager.UserId);
|
||
// 删除已有头像文件
|
||
if (!string.IsNullOrWhiteSpace(user.Avatar))
|
||
{
|
||
var fileId = Path.GetFileNameWithoutExtension(user.Avatar);
|
||
await DeleteFile(new DeleteFileInput { Id = long.Parse(fileId) });
|
||
}
|
||
await sysUserRep.UpdateAsync(u => new SysUser() { Avatar = sysFile.Url }, u => u.Id == user.Id);
|
||
return sysFile;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 上传电子签名 🔖
|
||
/// </summary>
|
||
/// <param name="file"></param>
|
||
/// <returns></returns>
|
||
[DisplayName("上传电子签名")]
|
||
public async Task<SysFile> UploadSignature([Required] IFormFile file)
|
||
{
|
||
var sysFile = await HandleUploadFile(file, "upload/signature", _imageType);
|
||
|
||
var sysUserRep = _sysFileRep.ChangeRepository<SqlSugarRepository<SysUser>>();
|
||
var user = await sysUserRep.GetByIdAsync(_userManager.UserId);
|
||
// 删除已有电子签名文件
|
||
if (!string.IsNullOrWhiteSpace(user.Signature) && user.Signature.EndsWith(".png"))
|
||
{
|
||
var fileId = Path.GetFileNameWithoutExtension(user.Signature);
|
||
await DeleteFile(new DeleteFileInput { Id = long.Parse(fileId) });
|
||
}
|
||
await sysUserRep.UpdateAsync(u => new SysUser() { Signature = sysFile.Url }, u => u.Id == user.Id);
|
||
return sysFile;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 修改附件关联对象 🔖
|
||
/// </summary>
|
||
/// <param name="ids"></param>
|
||
/// <param name="relationName"></param>
|
||
/// <param name="relationId"></param>
|
||
/// <param name="belongId"></param>
|
||
/// <returns></returns>
|
||
[NonAction]
|
||
public async Task<int> UpdateRelation(List<long> ids, string relationName, long relationId, long belongId = 0)
|
||
{
|
||
if (ids == null || ids.Count == 0)
|
||
return 0;
|
||
return await _sysFileRep.AsUpdateable()
|
||
.SetColumns(u => u.RelationName == relationName)
|
||
.SetColumns(u => u.RelationId == relationId)
|
||
.SetColumns(u => u.BelongId == belongId)
|
||
.Where(u => ids.Contains(u.Id))
|
||
.ExecuteCommandAsync();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 根据关联查询附件
|
||
/// </summary>
|
||
/// <param name="input"></param>
|
||
/// <returns></returns>
|
||
/// <exception cref="ArgumentNullException"></exception>
|
||
[DisplayName("根据关联查询附件")]
|
||
public async Task<List<FileOutput>> GetRelationFiles([FromQuery] RelationQueryInput input)
|
||
{
|
||
return await _sysFileRep.AsQueryable()
|
||
.WhereIF(input.RelationId.HasValue && input.RelationId > 0, u => u.RelationId == input.RelationId)
|
||
.WhereIF(input.BelongId.HasValue && input.BelongId > 0, u => u.BelongId == input.BelongId.Value)
|
||
.WhereIF(!string.IsNullOrWhiteSpace(input.RelationName), u => u.RelationName == input.RelationName)
|
||
.WhereIF(!string.IsNullOrWhiteSpace(input.FileTypes), u => input.GetFileTypeBS().Contains(u.FileType))
|
||
.Select(u => new FileOutput
|
||
{
|
||
Id = u.Id,
|
||
FileType = u.FileType,
|
||
Name = u.FileName,
|
||
RelationId = u.RelationId,
|
||
BelongId = u.BelongId,
|
||
FilePath = u.FilePath,
|
||
SizeKb = u.SizeKb,
|
||
Suffix = u.Suffix,
|
||
RelationName = u.RelationName,
|
||
Url = SqlFunc.MergeString("/api/sysFile/Preview/", u.Id.ToString()),
|
||
CreateUserName = u.CreateUserName,
|
||
CreateTime = u.CreateTime,
|
||
})
|
||
.ToListAsync();
|
||
}
|
||
} |