520 lines
20 KiB
C#
520 lines
20 KiB
C#
using System;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Net;
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using System.Net.Cache;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Json;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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namespace HexExplorer
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{
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/// <summary>
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/// 由于本人网络知识欠缺，不想自费弄个服务器（如果该软件捐助达到一定程度我会考虑），
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/// 也不会搭网站，目前也没找到合适快速的固定下载链接方式，
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/// 看到蓝奏云比较合适，它的验证机制还是挺简单的，就是挺麻烦的，可以过验证，故采用此方式。
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/// 本方式不能保证一定会有效，得看蓝奏云运营商了
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///
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///【虽然代码500来行，但这个类本人花费了大量的时间进行实现，请不得用于除学习和本软件更新之外的用途使用】
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/// </summary>
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class UpdateLib
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{
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private static UpdateLib updateLib;
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public static UpdateLib Instance
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{
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get
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{
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if (updateLib==null)
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{
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updateLib = new UpdateLib();
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}
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return updateLib;
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}
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}
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private readonly string uri = "https://wws.lanzoui.com/b020fwpwh";
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private const string useragent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131";
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private const string accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9";
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private const string sec_ch_ua = "\"Chromium\";v=\"92\", \" Not A; Brand\";v=\"99\"";
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private const string cookie = "codelen=1; pc_ad1=1";
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private const string AcceptLanguage = "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6";
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private const string lanzou_header = "https://wws.lanzoui.com/";
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private const string AcceptEncoding = "gzip, deflate, br";
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public const int DefaultBufferSize = 1024;
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public readonly RequestCachePolicy cachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
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#pragma warning disable IDE1006, CS0649 //禁用命名样式提示和未使用为null警告
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[DataContract]
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public class DownLoadLinkData
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{
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[DataMember]
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public int zt;
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[DataMember]
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public string dom;
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[DataMember]
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public string url;
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[DataMember]
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public int inf;
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}
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[DataContract]
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public class ResultJson
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{
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[DataMember]
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public int tz { get; set; }
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[DataMember]
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public string info { get; set; }
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[DataMember]
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public ResultCotent[] text { get; set; }
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}
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[DataContract]
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public struct ResultCotent
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{
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[DataMember]
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public string icon { get; set; }
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[DataMember]
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public int t { get; set; }
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[DataMember]
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public string id { get; set; }
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[DataMember]
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public string name_all { get; set; }
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[DataMember]
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public string size { get; set; }
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[DataMember]
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public string time { get; set; }
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[DataMember]
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public string duan { get; set; }
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[DataMember]
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public int p_ico { get; set; }
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}
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public class UpdateInfo
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{
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public string url;
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public float ver;
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public string size;
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}
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#pragma warning restore IDE1006, CS0649
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private UpdateLib()
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{
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}
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private string RegexMatch(string pattern, string input, out int index, int start = 0)
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{
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Regex regex = new Regex(pattern);
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var match = regex.Match(input, start);
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if (match.Success)
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{
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index = match.Index;
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return match.Value;
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}
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index = -1;
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return null;
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}
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public HttpWebRequest HttpGet(string url, RequestCachePolicy cachePolicy, string refer = null)
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{
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HttpWebRequest request = WebRequest.CreateHttp(url);
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request.Method = "GET";
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request.UseDefaultCredentials = true;
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request.UserAgent = useragent;
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request.CachePolicy = cachePolicy;
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request.Timeout = 5000;
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request.Accept = accept;
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request.Headers.Add(HttpRequestHeader.Authorization, "wws.lanzoui.com");
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request.Headers.Add(HttpRequestHeader.Cookie, "down_ip=1");
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request.Headers.Add(HttpRequestHeader.AcceptEncoding, AcceptEncoding);
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request.Headers.Add(HttpRequestHeader.AcceptLanguage, AcceptLanguage);
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request.Headers.Add(HttpRequestHeader.CacheControl, "max-age=0");
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request.Headers.Add("dnt", "1");
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request.Headers.Add("sec-ch-ua", sec_ch_ua);
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request.Headers.Add("sec-ch-ua-mobile", "?0");
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request.Headers.Add("sec-fetch-dest", "document");
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request.Headers.Add("sec-fetch-mode", "navigate");
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request.Headers.Add("sec-fetch-site", "orign");
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request.Headers.Add("sec-fetch-user", "?1");
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request.Headers.Add("sec-gpc", "1");
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request.Headers.Add("upgrade-insecure-requests", "1");
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if (refer != null)
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request.Referer = refer;
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return request;
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}
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public Stream HttpPost(string url, RequestCachePolicy cachePolicy, string submit, string refer = null)
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{
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byte[] buffer = Encoding.ASCII.GetBytes(submit);
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HttpWebRequest request = WebRequest.CreateHttp(url);
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request.Method = "POST";
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request.CachePolicy = cachePolicy;
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request.Accept = "application/json, text/javascript, */*";
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request.Headers.Add(HttpRequestHeader.AcceptEncoding, AcceptEncoding);
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request.Headers.Add(HttpRequestHeader.AcceptLanguage, AcceptLanguage);
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request.ContentLength = buffer.Length;
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request.ContentType = "application/x-www-form-urlencoded";
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request.Headers.Add(HttpRequestHeader.Cookie, cookie);
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request.Headers.Add("dnt", "1");
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request.Headers.Add("origin", "https://wws.lanzoui.com");
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if (refer != null)
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request.Referer = refer;
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request.Headers.Add("sec-ch-ua", sec_ch_ua);
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request.Headers.Add("sec-ch-ua-mobile", "?0");
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request.Headers.Add("sec-fetch-dest", "empty");
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request.Headers.Add("sec-fetch-mode", "cors");
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request.Headers.Add("sec-fetch-site", "same-origin");
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request.Headers.Add("sec-gpc", "1");
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request.UserAgent = useragent;
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request.Headers.Add("x-requested-with", "XMLHttpRequest");
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try
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{
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using (var rstream = request.GetRequestStream())
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{
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rstream.Write(buffer, 0, buffer.Length);
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}
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return request.GetResponse().GetResponseStream();
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}
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catch
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{
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return null;
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}
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}
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public string GetResponseCotent(HttpWebRequest request)
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{
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try
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{
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using (var res = request.GetResponse())
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{
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using (var stream = res.GetResponseStream())
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{
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StreamReader streamReader;
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using (streamReader = new StreamReader(new GZipStream(stream, CompressionMode.Decompress),
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Encoding.UTF8, false, DefaultBufferSize, false))
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{
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return streamReader.ReadToEnd();
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}
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}
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}
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}
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catch
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{
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return null;
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}
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}
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private void InfoNewest(Action<string> Log)
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{
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Log?.Invoke("当前为最新版本！！！");
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MessageBox.Show("您已经拥有最新版本的HexExplorer！！！", Program.AppName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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public UpdateInfo GetUpdateInfo(Action<string> Log = null)
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{
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string content = null;
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ResultJson result = null;
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string tmp = null;
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Stream stream = null;
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Log?.Invoke("正在初始化请求……");
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try
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{
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//第一步：访问页面，获取动态的t和k的值
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HttpWebRequest request = HttpGet(uri, cachePolicy);
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Log?.Invoke("正在请求服务器……");
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string t = null, k = null;
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content = GetResponseCotent(request);
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Log?.Invoke("开始解析服务器返回信息……");
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tmp = RegexMatch(@"'t'\s?:\s?\w+", content, out _);
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t = tmp.Substring(tmp.IndexOf(":") + 1);
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tmp = RegexMatch(@"'k'\s?:\s?\w+", content, out _);
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k = tmp.Substring(tmp.IndexOf(":") + 1);
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string tv = null, kv = null;
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if (t != null && k != null)
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{
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tmp = RegexMatch($@"var\s?{t}\s?=\s?'\w+'", content, out _);
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tv = tmp.Substring(tmp.IndexOf("\'")).Trim('\'');
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tmp = RegexMatch($@"var\s?{k}\s?=\s?'\w+'", content, out _);
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kv = tmp.Substring(tmp.IndexOf("\'")).Trim('\'');
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}
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//第二步：校验结果，若成功获取目录信息
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if (tv == null || kv == null)
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{
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throw new InvalidDataException("tv|kv");
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}
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Log?.Invoke("正在获取版本信息……");
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using (stream = HttpPost("https://wws.lanzoui.com/filemoreajax.php", cachePolicy,
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$"lx=2&fid=3868377&uid=1846046&pg=1&rep=0&t={tv}&k={kv}&up=1&ls=1&pwd=fw9s",
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"https://wws.lanzoui.com/b020fwpwh"))
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{
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DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(ResultJson));
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result = jsonSerializer.ReadObject(stream) as ResultJson;
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}
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if (result == null)
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{
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throw new NullReferenceException("result");
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}
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if (result.tz == 1)
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{
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throw new InvalidDataException("result");
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}
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//第三步：若获取成功，解析正确的信息
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/*
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* 发行版更新命名规则：Ver_[版本号].exe（例子：Ver_1.0.exe）
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* 但如果以后发布与发行可执行程序包不相关的东西，不会符合下面的判断条件
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* 版本号必为float类型，否则无效包（因为需要判断该程序的版本，为了简化操作）
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*/
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Log?.Invoke("获取更新中……");
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var items = result.text.Where(item =>
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{
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if (item.id != "-1" && item.t != 1)
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{
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Regex regex = new Regex(@"^Ver_(\d+\.\d+).exe$", RegexOptions.IgnoreCase);
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var match = regex.Match(item.name_all);
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return match.Success;
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}
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return false;
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}).ToList();
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if (items.Count == 0)
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{
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InfoNewest(Log);
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return null;
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}
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float newestVer = 0;
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string url = null;
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string size = null;
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foreach (var item in items)
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{
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string value = RegexMatch(@"\d+\.\d+", item.name_all, out _);
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float v = float.Parse(value);
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if (v > newestVer)
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{
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newestVer = v;
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url = item.id;
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size = item.size;
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}
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}
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Log?.Invoke($"获取最新版本成功，版本号为{newestVer}");
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if (newestVer == Program.Version)
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{
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InfoNewest(Log);
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return null;
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}
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if (newestVer < Program.Version)
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{
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Log?.Invoke("当前版本号异常！！！");
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MessageBox.Show("您的程序版本号异常，建议从官方进行下载！！！", Program.AppName,
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MessageBoxButtons.OK, MessageBoxIcon.Warning);
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return null;
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}
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return new UpdateInfo { url = url, ver = newestVer, size = size };
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}
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catch (Exception ex)
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{
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Log?.Invoke(ex.Message);
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MessageBox.Show($"{ex.InnerException.Message}。故升级失败！", "出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
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return null;
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}
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}
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public string GetUpdateURL(Action<string> Log = null)
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{
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string content = null;
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string tmp = null;
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Stream stream = null;
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DownLoadLinkData linkData = null;
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UpdateInfo updateInfo = GetUpdateInfo();
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var url = updateInfo.url;
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try
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{
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//第四步：访问下载界面
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Log?.Invoke("正在请求更新……");
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HttpWebRequest request = HttpGet(lanzou_header + url, cachePolicy, url);
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using (var res = request.GetResponse())
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{
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using (stream = res.GetResponseStream())
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{
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StreamReader streamReader;
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using (streamReader = new StreamReader(new GZipStream(stream, CompressionMode.Decompress),
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Encoding.UTF8, false, DefaultBufferSize, false))
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{
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content = streamReader.ReadToEnd();
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RegexMatch(@"e\>\-\-\>", content, out int start);
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content = RegexMatch(@"<iframe.+?>", content, out _, start);
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tmp = RegexMatch("src=\".+?\"", content, out _);
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content = url;
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url = tmp.Substring(6).Trim('\"');
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}
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}
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}
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//第五步：获取下载链接
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Log?.Invoke("正在获取下载链接……");
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request = HttpGet(lanzou_header + url, cachePolicy, lanzou_header + content);
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using (var res = request.GetResponse())
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{
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using (stream = res.GetResponseStream())
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{
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StreamReader streamReader = new StreamReader(new GZipStream(stream, CompressionMode.Decompress),
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Encoding.UTF8, false, DefaultBufferSize, false);
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content = streamReader.ReadToEnd();
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}
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}
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var tem = content;
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content = RegexMatch(@"(\s)data\s?:\s?{.+}", content, out _);
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string signs = null, sign = null;
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tmp = RegexMatch(@"'signs'\s?:\s?\w+", content, out _);
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signs = tmp.Substring(tmp.IndexOf(":") + 1).Trim();
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tmp = RegexMatch(@"'sign'\s?:\s?\w+", content, out _);
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sign = tmp.Substring(tmp.IndexOf(":") + 1).Trim();
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string signsv = null, signv = null;
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tmp = RegexMatch($@"var\s?{signs}\s?=\s?'\S+'", tem, out _);
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signsv = tmp.Substring(tmp.IndexOf("\'")).Trim('\'');
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tmp = RegexMatch($@"var\s?{sign}\s?=\s?'\S+'", tem, out _);
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signv = tmp.Substring(tmp.IndexOf("\'")).Trim('\'');
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tmp = $"action=downprocess&signs={signsv}&sign={signv}&ves=1&websign=2&websignkey=BSBU";
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Log?.Invoke("获取下载链接成功，即将开始下载……");
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using (stream = HttpPost("https://wws.lanzoui.com/ajaxm.php", cachePolicy, tmp, lanzou_header + url))
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{
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DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(DownLoadLinkData));
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linkData = jsonSerializer.ReadObject(stream) as DownLoadLinkData;
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}
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url = $"{linkData.dom}/file/{linkData.url}";
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return url;
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}
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catch (Exception ex)
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{
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Log?.Invoke(ex.Message);
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MessageBox.Show($"{ex.InnerException.Message}。故升级失败！", "出错了", MessageBoxButtons.OK, MessageBoxIcon.Error);
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return null;
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}
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}
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public void UpdateProgramNewest(Action<string> Log = null, Action<long, long> UpdateProgressBarValue = null)
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{
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var dlink = GetUpdateURL();
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if (dlink != null)
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{
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Directory.CreateDirectory(Program.AppUpDate);
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HttpWebRequest request = WebRequest.CreateHttp(dlink);
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request.Credentials = CredentialCache.DefaultCredentials;
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request.Method = "GET";
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request.UserAgent = useragent;
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request.Headers.Add(HttpRequestHeader.AcceptLanguage, AcceptLanguage);
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request.Headers.Add(HttpRequestHeader.AcceptEncoding, AcceptEncoding);
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request.Accept = accept;
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request.KeepAlive = true;
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request.Host = "vip.d0.baidupan.com";
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request.Headers.Add(HttpRequestHeader.Cookie, "down_ip=1");
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request.Headers.Add("dnt", "1");
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request.Headers.Add("sec-ch-ua", sec_ch_ua);
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request.Headers.Add("sec-ch-ua-mobile", "?0");
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request.Headers.Add("sec-fetch-dest", "document");
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request.Headers.Add("sec-fetch-mode", "cors");
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request.Headers.Add("sec-fetch-site", "cross-origin");
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request.Headers.Add("sec-fetch-user", "?1");
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request.Headers.Add("sec-gpc", "1");
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request.Headers.Add("upgrade-insecure-requests", "1");
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request.AllowAutoRedirect = true;
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Log?.Invoke("开始下载中……");
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using (var res = request.GetResponse())
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{
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var total = res.ContentLength;
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using (var stream = res.GetResponseStream())
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{
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using (BinaryReader reader = new BinaryReader(stream))
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{
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using (var fs = File.Create(Program.AppUpDateBin))
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{
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byte[] buffer;
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using (BinaryWriter writer = new BinaryWriter(fs))
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{
|
||
while ((buffer = reader.ReadBytes(DefaultBufferSize)).Length > 0)
|
||
{
|
||
writer.Write(buffer);
|
||
UpdateProgressBarValue?.Invoke(fs.Length, total);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
}
|