105 lines
5.0 KiB
C#
105 lines
5.0 KiB
C#
using System;
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using System.Net;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace NetDisk
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{
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public static class Authentication
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{
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public static bool IsLoggedIn(Credential credential)
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{
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var res = Operation.GetQuota(credential);
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if (res == null || res.errno != 0) return false;
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else return true;
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}
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public static LoginResult Login(string username, string password, LoginCheckResult checkResult)
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{
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var result = new LoginResult();
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try
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{
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using (var wc = new CookieAwareWebClient())
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{
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wc.Cookies.Add(checkResult.baiduid);
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var ltoken = checkResult.ltoken;
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var lstr = "loginmerge=true&token=" + ltoken + "&tpl=netdisk&username=" + Uri.EscapeDataString(username) + "&password=" + Uri.EscapeDataString(password);
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if (checkResult.needVCode) lstr += "&codestring=" + checkResult.codeString + "&verifycode=" + Uri.EscapeDataString(checkResult.verifyCode);
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wc.Headers.Add(HttpRequestHeader.ContentType, "application/x-www-form-urlencoded");
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var str = Encoding.UTF8.GetString(wc.UploadData("https://passport.baidu.com/v2/api/?login", Encoding.UTF8.GetBytes(lstr)));
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var match = Regex.Match(str, "error=(\\d+)");
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var errno = match.Success ? int.Parse(match.Groups[1].Value) : 0;
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if (errno != 0)
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{
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result.exception = new Exception("Login returned error = " + errno);
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result.errno = errno;
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}
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else
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{
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str = wc.DownloadString("https://passport.baidu.com/v3/login/api/auth/?return_type=3&tpl=netdisk&u=http%3A%2F%2Fpan.baidu.com%2Fdisk%2Fhome");
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long uid = 0;
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match = Regex.Match(str, "\"uk\"\\s*:\\s*(\\d+)");
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if (match.Success) long.TryParse(match.Groups[1].Value, out uid);
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string baiduid = null, bduss = null, stoken = null;
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foreach (Cookie cookie in wc.Cookies.GetAllCookies())
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{
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if (cookie.Name.ToLower() == "baiduid") baiduid = cookie.Value;
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else if (cookie.Name.ToLower() == "bduss") bduss = cookie.Value;
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else if (cookie.Name.ToLower() == "stoken" && cookie.Domain.ToLower().Contains("pan.")) stoken = cookie.Value;
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}
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if (baiduid != null && bduss != null && stoken != null)
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{
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result.credential = new Credential(baiduid, bduss, stoken, uid);
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result.success = true;
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}
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else result.exception = new Exception("Cannot find required cookies.");
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}
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}
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}
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catch (Exception ex)
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{
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result.exception = ex;
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}
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return result;
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}
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public static LoginCheckResult LoginCheck(string username)
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{
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var result = new LoginCheckResult();
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try
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{
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using (var wc = new CookieAwareWebClient())
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{
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wc.DownloadData("http://pan.baidu.com/");
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Cookie baiduid = null;
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foreach (Cookie cookie in wc.Cookies.GetAllCookies())
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{
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if (cookie.Name.ToLower() == "baiduid") baiduid = cookie;
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}
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if (baiduid == null) throw new Exception("Cannot obtain BAIDUID.");
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result.baiduid = baiduid;
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var str = wc.DownloadString("https://passport.baidu.com/v2/api/?getapi&tpl=netdisk&subpro=netdisk_web&apiver=v3");
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var ltoken = Regex.Match(str, "\"token\"\\s*:\\s*\"(.+?)\"").Groups[1].Value;
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result.ltoken = ltoken;
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str = wc.DownloadString("https://passport.baidu.com/v2/api/?logincheck&token=" + ltoken + "&tpl=netdisk&subpro=netdisk_web&apiver=v3&username=" + Uri.EscapeDataString(username));
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var codeString = Regex.Match(str, "\"codeString\"\\s*:\\s*\"(.*?)\"").Groups[1].Value;
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if (codeString == "")
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{
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result.success = true;
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}
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else
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{
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result.image = wc.DownloadData("https://passport.baidu.com/cgi-bin/genimage?" + codeString);
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result.success = true;
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result.needVCode = true;
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result.codeString = codeString;
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}
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}
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}
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catch (Exception ex)
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{
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result.exception = ex;
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}
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return result;
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}
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}
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}
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