99 lines
3.6 KiB
C#
99 lines
3.6 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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using System.Net.Http;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Json;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Reader
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{
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public partial class MainForm : Form
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{
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private static readonly HttpClient http = new HttpClient();
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private const string ServerUrl = "http://localhost:5000";
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public MainForm()
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{
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InitializeComponent();
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}
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private void btnBrowse_Click(object sender, EventArgs e)
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{
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using var fbd = new FolderBrowserDialog();
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if (fbd.ShowDialog() == DialogResult.OK)
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{
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txtFolder.Text = fbd.SelectedPath;
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}
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}
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private async void btnRead_Click(object sender, EventArgs e)
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{
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var folder = txtFolder.Text;
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if (string.IsNullOrWhiteSpace(folder) || !Directory.Exists(folder))
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{
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MessageBox.Show("请选择有效的文件夹。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
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return;
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}
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dgv.Rows.Clear();
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var files = Directory.GetFiles(folder, "*", SearchOption.AllDirectories);
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var shaList = new System.Collections.Generic.List<string>();
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var fileMap = new System.Collections.Generic.Dictionary<string, string>();
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foreach (var f in files)
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{
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try
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{
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var sha = await Task.Run(() => ComputeSha256(f));
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shaList.Add(sha);
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fileMap[sha] = f;
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}
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catch { }
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}
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if (shaList.Count == 0)
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{
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MessageBox.Show("没有找到文件。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
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return;
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}
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var payload = new { shas = shaList };
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var content = new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json");
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var resp = await http.PostAsync(ServerUrl + "/read", content);
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if (!resp.IsSuccessStatusCode)
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{
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MessageBox.Show("读取失败: " + await resp.Content.ReadAsStringAsync(), "失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
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return;
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}
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var text = await resp.Content.ReadAsStringAsync();
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using var doc = JsonDocument.Parse(text);
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var root = doc.RootElement;
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var data = root.GetProperty("data");
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foreach (var sha in shaList)
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{
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var fileName = Path.GetFileName(fileMap[sha]);
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if (data.TryGetProperty(sha, out var item) && item.ValueKind != JsonValueKind.Null)
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{
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var up = item.GetProperty("upload_code").GetString() ?? "";
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var down = item.GetProperty("download_code").GetString() ?? "";
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var created = item.GetProperty("created_at").GetString() ?? "";
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dgv.Rows.Add(fileName, up, down, created);
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}
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else
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{
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dgv.Rows.Add(fileName, "无", "无", "无");
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}
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}
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}
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private static string ComputeSha256(string filePath)
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{
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using var sha = SHA256.Create();
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using var stream = File.OpenRead(filePath);
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var hash = sha.ComputeHash(stream);
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var sb = new StringBuilder();
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foreach (var b in hash) sb.Append(b.ToString("x2"));
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return sb.ToString();
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}
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}
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}
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