204 lines
9.9 KiB
C#
204 lines
9.9 KiB
C#
using System.Security.Cryptography;
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using Microsoft.Extensions.Options;
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using YD_Event.Application.Auth;
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using YD_Event.Application.Common;
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using YD_Event.Core.Options;
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namespace YD_Event.Application.AppUpdate;
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/// <summary>内部 Android 裁判端 APK 发布与升级检查。</summary>
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[ApiDescriptionSettings("裁判端升级")]
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[Route("api/app-updates")]
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[Authorize]
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public class AppUpdateController : IDynamicApiController
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{
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private const string PackageName = "com.yd.event.yd_pattern_scoring_system";
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private const long MaxApkSize = 200L * 1024 * 1024;
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private readonly ISqlSugarRepository<JudgeAppRelease> _releases;
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private readonly AuthManager _auth;
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private readonly IIdGenerator _ids;
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private readonly FileService _files;
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private readonly IOptionsMonitor<OssConnectionOptions> _ossOptions;
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private readonly string _channel;
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public AppUpdateController(ISqlSugarRepository<JudgeAppRelease> releases,
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AuthManager auth, IIdGenerator ids, FileService files,
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IOptionsMonitor<OssConnectionOptions> ossOptions)
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{
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_releases = releases;
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_auth = auth;
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_ids = ids;
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_files = files;
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_ossOptions = ossOptions;
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_channel = Environment.GetEnvironmentVariable("APP_UPDATE_CHANNEL")?.Trim().ToLowerInvariant() ?? "production";
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}
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/// <summary>登录前即可查询当前环境的最新 APK。</summary>
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[HttpGet("latest")]
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[AllowAnonymous]
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public async Task<object> Latest()
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{
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var release = await _releases.AsQueryable()
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.Where(x => x.Channel == _channel && x.ReleaseStatus == 1 && x.PackageName == PackageName)
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.OrderByDescending(x => x.VersionCode).FirstAsync();
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return release == null ? new { available = false } : new
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{
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available = true, release.Id, release.PackageName, release.VersionCode,
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release.VersionName, release.NotesZh, release.NotesEn,
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release.IsMandatory, release.FileSize, release.Sha256,
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release.CertificateSha256, downloadUrl = DownloadUrlFor(release),
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release.PublishedTime
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};
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}
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/// <summary>OSS 已启用时直连阿里云/CDN；配置缺失或不安全时仍使用受控下载接口。</summary>
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private string DownloadUrlFor(JudgeAppRelease release)
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{
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var fallback = $"/api/app-updates/download/{release.Id}";
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// Direct delivery is opt-in: a private bucket without CDN/public-read
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// must continue using the existing server-side OSS stream.
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var cdn = Environment.GetEnvironmentVariable("APP_UPDATE_DIRECT_DOWNLOAD_BASE_URL");
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if (string.IsNullOrWhiteSpace(cdn)) return fallback;
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var oss = _ossOptions.CurrentValue;
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if (!oss.Enable || string.IsNullOrWhiteSpace(oss.Domain) ||
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!Uri.TryCreate(oss.Domain.TrimEnd('/') + "/", UriKind.Absolute, out var ossBase) ||
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ossBase.Scheme != Uri.UriSchemeHttps ||
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!Uri.TryCreate(release.FileUrl, UriKind.Absolute, out var fileUri) ||
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fileUri.Scheme != Uri.UriSchemeHttps ||
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!fileUri.AbsoluteUri.StartsWith(ossBase.AbsoluteUri, StringComparison.OrdinalIgnoreCase))
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return fallback;
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// FileUrl comes from the configured OSS domain at upload time. Never turn
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// an arbitrary stored URL into an untrusted redirect/download host.
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var objectKey = fileUri.AbsoluteUri[ossBase.AbsoluteUri.Length..];
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if (!objectKey.StartsWith($"app-releases/{_channel}/", StringComparison.Ordinal) ||
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objectKey.Contains("..", StringComparison.Ordinal) ||
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!objectKey.EndsWith(".apk", StringComparison.OrdinalIgnoreCase))
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return fallback;
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if (!Uri.TryCreate(cdn.TrimEnd('/') + "/", UriKind.Absolute, out var cdnBase) ||
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cdnBase.Scheme != Uri.UriSchemeHttps || !string.IsNullOrEmpty(cdnBase.UserInfo) ||
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!string.IsNullOrEmpty(cdnBase.Query) || !string.IsNullOrEmpty(cdnBase.Fragment))
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return fallback;
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return new Uri(cdnBase, objectKey).AbsoluteUri;
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}
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/// <summary>只允许下载当前环境已发布的版本，沿用现有文件服务流式返回。</summary>
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[HttpGet("download/{id:long}")]
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[AllowAnonymous]
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public async Task<IActionResult> Download(long id)
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{
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var release = await _releases.GetFirstAsync(x => x.Id == id && x.Channel == _channel &&
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x.PackageName == PackageName && x.ReleaseStatus == 1);
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if (release == null || string.IsNullOrWhiteSpace(release.FileUrl)) return new NotFoundResult();
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return _files.Download(release.FileUrl);
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}
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[HttpGet("admin/releases")]
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public async Task<object> Releases()
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{
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EnsureAdmin();
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return await _releases.AsQueryable().Where(x => x.Channel == _channel)
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.OrderByDescending(x => x.VersionCode).ToListAsync();
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}
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[HttpPost("admin/upload")]
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[DisplayName("上传裁判端 APK 草稿")]
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[RequestSizeLimit(MaxApkSize + 1024 * 1024)]
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[RequestFormLimits(MultipartBodyLengthLimit = MaxApkSize + 1024 * 1024)]
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public async Task<JudgeAppRelease> Upload([FromForm] IFormFile file,
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[FromForm] string versionName, [FromForm] int versionCode,
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[FromForm] string certificateSha256, [FromForm] string notesZh,
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[FromForm] string? notesEn = null,
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[FromForm] bool isMandatory = false)
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{
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EnsureAdmin();
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if (file == null || file.Length < 1024 || file.Length > MaxApkSize ||
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!string.Equals(Path.GetExtension(file.FileName), ".apk", StringComparison.OrdinalIgnoreCase))
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throw Oops.Bah("仅允许上传 1KB 至 200MB 的 APK");
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if (string.IsNullOrWhiteSpace(notesZh)) throw Oops.Bah("请填写中文更新说明");
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if (versionCode <= 0 || string.IsNullOrWhiteSpace(versionName) || versionName.Length > 64)
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throw Oops.Bah("请填写有效的版本名和正整数版本号");
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// 本阶段由超级管理员提供 build-info.json 中的元数据；后续再恢复 APK 内部解析与签名比对。
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// 文件哈希仍在服务端计算，平板安装前仍会核对真实 APK 的包名、版本和签名。
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var fingerprint = certificateSha256?.Trim().Replace(":", "").ToUpperInvariant();
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if (fingerprint == null || !Regex.IsMatch(fingerprint, "^[0-9A-F]{64}$"))
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throw Oops.Bah("请填写 64 位的公开签名证书 SHA-256 指纹");
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var existing = await _releases.GetFirstAsync(x => x.Channel == _channel &&
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x.PackageName == PackageName && x.VersionCode == versionCode);
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if (existing != null) throw Oops.Bah("该版本号已存在，请使用新的递增版本号");
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var temp = Path.Combine(Path.GetTempPath(), $"yd-app-release-{Guid.NewGuid():N}.apk");
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try
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{
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await using (var output = System.IO.File.Create(temp))
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await using (var source = file.OpenReadStream())
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await source.CopyToAsync(output);
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await using (var input = System.IO.File.OpenRead(temp))
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{
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var magic = new byte[4];
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if (await input.ReadAsync(magic) != 4 || magic[0] != 0x50 || magic[1] != 0x4B || magic[2] != 0x03 || magic[3] != 0x04)
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throw Oops.Bah("文件不是有效的 APK/ZIP");
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}
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await using var hashStream = System.IO.File.OpenRead(temp);
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var sha = Convert.ToHexString(await SHA256.HashDataAsync(hashStream));
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await using var uploadStream = System.IO.File.OpenRead(temp);
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var release = new JudgeAppRelease
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{
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Id = _ids.NextId(), Channel = _channel, PackageName = PackageName,
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VersionCode = versionCode, VersionName = versionName.Trim(),
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NotesZh = notesZh?.Trim() ?? string.Empty, NotesEn = notesEn?.Trim() ?? string.Empty,
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IsMandatory = isMandatory, FileSize = uploadStream.Length,
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Sha256 = sha, CertificateSha256 = fingerprint,
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FileUrl = await _files.UploadFileStreamAsync($"app-releases/{_channel}/{Guid.NewGuid():N}.apk", uploadStream),
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ReleaseStatus = 0, CreatedUserId = _auth.UserId, CreatedTime = DateTime.UtcNow
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};
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await _releases.InsertAsync(release);
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return release;
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}
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finally { if (System.IO.File.Exists(temp)) System.IO.File.Delete(temp); }
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}
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[HttpPost("admin/{id:long}/publish")]
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public async Task<JudgeAppRelease> Publish(long id)
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{
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EnsureAdmin();
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var release = await FindOwn(id);
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if (release.ReleaseStatus != 0) throw Oops.Bah("只有草稿可以发布");
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var latest = await _releases.AsQueryable()
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.Where(x => x.Channel == _channel && x.PackageName == PackageName && x.ReleaseStatus != 0)
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.OrderByDescending(x => x.VersionCode).FirstAsync();
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if (latest != null && release.VersionCode <= latest.VersionCode)
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throw Oops.Bah("版本号必须高于当前已发布版本");
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release.ReleaseStatus = 1;
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release.PublishedUserId = _auth.UserId;
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release.PublishedTime = DateTime.UtcNow;
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await _releases.UpdateAsync(release);
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return release;
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}
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[HttpPost("admin/{id:long}/withdraw")]
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public async Task<JudgeAppRelease> Withdraw(long id)
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{
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EnsureAdmin();
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var release = await FindOwn(id);
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if (release.ReleaseStatus != 1) throw Oops.Bah("只有已发布版本可以撤回");
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release.ReleaseStatus = 2;
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release.WithdrawnUserId = _auth.UserId;
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release.WithdrawnTime = DateTime.UtcNow;
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await _releases.UpdateAsync(release);
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return release;
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}
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private void EnsureAdmin()
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{
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if (!_auth.IsSuperAdmin) throw Oops.Bah("仅超级管理员可管理裁判端版本");
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}
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private async Task<JudgeAppRelease> FindOwn(long id)
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{
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var release = await _releases.GetFirstAsync(x => x.Id == id && x.Channel == _channel);
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return release ?? throw Oops.Bah("版本不存在");
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}
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}
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