167 lines
7.6 KiB
C#
167 lines
7.6 KiB
C#
// ============================================================
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// UmiOcrHost:Umi-OCR 本体(网盘 zip)下载/安装/检测 管理器
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// · 本体 zip 直链(用户网盘,~179MB,zip 根直接是 Umi-OCR.exe 无顶层目录)
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// · 安装 = 下载 zip 到临时文件 → 解压到安装目录 → 验证主程序 → 删 zip
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// · 启动/停止在 UmiOcrLauncher(进程管理独立成文件)
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// · 安装目录:主 exe 旁 Umi-OCR\;装过独立版 pdfbt 的机器回退 pdfbt\Umi-OCR\ 旧本体
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// ============================================================
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using System;
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using System.IO;
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using System.IO.Compression;
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using System.Net;
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using System.Threading.Tasks;
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namespace 成套报价软件
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{
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internal static class UmiOcrHost
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{
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/// <summary>本体 zip 直链(用户网盘直连,GET 才有内容,HEAD 会 404,不支持断点续传)。</summary>
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public const string DownloadUrl = "http://s333.odn.cc/s/845f64a239b665ec";
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private const string InstallDirName = "Umi-OCR";
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private const string ExeName = "Umi-OCR.exe"; // 官方 zip 根的主程序固定文件名
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private const int HttpPort = 1224;
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/// <summary>本体安装目录(主 exe 旁 Umi-OCR\;独立版 pdfbt 旧布局回退)。</summary>
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public static string InstallDir
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{
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get
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{
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string baseDir = AppDomain.CurrentDomain.BaseDirectory;
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string dir = Path.Combine(baseDir, InstallDirName);
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if (Directory.Exists(dir)) return dir;
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// 独立版 pdfbt 已下载过本体的机器:沿用旧安装
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string legacy = Path.Combine(baseDir, "pdfbt", InstallDirName);
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if (Directory.Exists(legacy)) return legacy;
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return dir;
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}
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}
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/// <summary>安装目录里主程序的固定路径(File.Exists 忽略大小写,覆盖官方 zip 命名)。</summary>
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public static string ExePath
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{
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get { return Path.Combine(InstallDir, ExeName); }
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}
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/// <summary>本体是否已安装(主程序文件存在)。</summary>
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public static bool IsInstalled
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{
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get { return File.Exists(ExePath); }
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}
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/// <summary>HTTP 服务(1224 端口)是否在监听。</summary>
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public static bool IsHttpUp()
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{
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try
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{
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using (var c = new System.Net.Sockets.TcpClient())
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{
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var ar = c.BeginConnect("127.0.0.1", HttpPort, null, null);
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if (ar.AsyncWaitHandle.WaitOne(800))
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{
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c.EndConnect(ar);
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return true;
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}
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c.Close();
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}
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}
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catch { }
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return false;
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}
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/// <summary>三态:0=未安装,1=已安装未运行,2=运行中(HTTP 在线)。</summary>
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public static int Detect()
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{
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if (!IsInstalled) return 0;
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return IsHttpUp() ? 2 : 1;
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}
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/// <summary>状态文字(设置窗口显示用)。</summary>
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public static string DetectText()
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{
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int st = Detect();
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if (st == 0) return "未检测到 OCR 本体(点\"下载 OCR 本体\"自动下载安装)";
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if (st == 1) return "已检测到 OCR 本体,服务未运行(识别时会自动启动)";
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return "OCR 本体运行中(HTTP " + HttpPort + " 端口在线)";
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}
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/// <summary>下载 zip → 解压到安装目录 → 验证主程序 → 删 zip。
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/// progress: 0~100 下载百分比;解压与收尾阶段回调 100。失败抛异常(内部已清理残留)。
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/// ★ 必须用 DownloadFileAsync:同步版 DownloadFile 不触发 DownloadProgressChanged
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/// (进度事件只在异步路径发,同步下载会一直停在 0%)。</summary>
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public static Task DownloadAndInstallAsync(Action<int> progress)
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{
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return Task.Factory.StartNew(delegate
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{
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string tmpZip = Path.Combine(Path.GetTempPath(), "Umi-OCR_" + Guid.NewGuid().ToString("N") + ".zip");
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try
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{
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if (progress != null) progress(0);
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// 异步下载包成同步等待(TaskCompletionSource),进度事件才会触发
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var dlTcs = new TaskCompletionSource<bool>();
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using (var wc = new WebClient())
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{
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wc.Proxy = null;
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wc.DownloadProgressChanged += (s, e) =>
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{
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if (progress != null) progress(e.ProgressPercentage);
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};
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wc.DownloadFileCompleted += (s, e) =>
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{
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if (e.Error != null) dlTcs.TrySetException(e.Error);
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else if (e.Cancelled) dlTcs.TrySetException(new Exception("下载已取消"));
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else dlTcs.TrySetResult(true);
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};
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wc.DownloadFileAsync(new Uri(DownloadUrl), tmpZip);
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}
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dlTcs.Task.GetAwaiter().GetResult(); // 等下载结束(异常原样抛出)
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if (progress != null) progress(100);
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// 校验是 zip(PK 头)而不是错误页/JSON
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using (var fs = File.OpenRead(tmpZip))
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{
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int b0 = fs.ReadByte(), b1 = fs.ReadByte();
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if (b0 != 'P' || b1 != 'K')
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throw new Exception("下载的内容不是有效的压缩包(可能是网盘临时故障),请稍后重试");
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}
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// 解压(覆盖);zip 根直接是 Umi-OCR.exe,目标目录即安装目录
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string dst = InstallDir;
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if (!Directory.Exists(dst)) Directory.CreateDirectory(dst);
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using (var archive = ZipFile.OpenRead(tmpZip))
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{
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foreach (var entry in archive.Entries)
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{
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string target = Path.GetFullPath(Path.Combine(dst, entry.FullName));
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if (!target.StartsWith(Path.GetFullPath(dst), StringComparison.OrdinalIgnoreCase))
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continue; // 防 zip 路径穿越
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if (string.IsNullOrEmpty(entry.Name))
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{
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if (!Directory.Exists(target)) Directory.CreateDirectory(target);
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continue;
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}
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string tdir = Path.GetDirectoryName(target);
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if (!string.IsNullOrEmpty(tdir) && !Directory.Exists(tdir)) Directory.CreateDirectory(tdir);
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if (File.Exists(target))
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{
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try { File.Delete(target); } catch { } // 被占用则跳过(旧文件同名多半一致)
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}
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entry.ExtractToFile(target, false);
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}
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}
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if (!IsInstalled)
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throw new Exception("解压完成但未找到 Umi-OCR 主程序,压缩包内容可能不完整");
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try { File.Delete(tmpZip); } catch { } // 验证通过后删 zip
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}
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catch
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{
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try { if (File.Exists(tmpZip)) File.Delete(tmpZip); } catch { }
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throw;
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}
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});
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}
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}
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}
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