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public RestClient Client { set; get; }
private RestClientOptions options;
private RestRequest request;
public string LSD { set; get; }
public string Fb_dtsg { set; get; }
public string Jazoest { set; get; }
public string ResponseURI { set; get; }
public string User { set; get; }
public string UID { set; get; }
public string datapost { set; get; }
private string html;
string UserAgentDefaut = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36";
public class PostInfo
{
public string postID { set; get; }
public string content { set; get; }
public string likeCount { set; get; }
public string commentCount { set; get; }
}
public RequestFb(string cookies = null, string userAgent = null, string ProxyUrl = null)
{
datapost = "";
User = "";
Setoptions(userAgent);
SetProxy(ProxyUrl);
Client = new RestClient(options);
SetCookie(cookies);
}
public void ResetToken(string HTML = "")
{
if (!string.IsNullOrEmpty(HTML)) html = HTML;
if (!string.IsNullOrEmpty(html))
{
Fb_dtsg = RegexMatch(html.Replace("\\", string.Empty), "DTSGInitialData\",(.*?),{\"token\":\"(.*?)\"").Groups[2].Value;
Jazoest = RegexMatch(html.Replace("\\", string.Empty), "jazoest=(\\d+)").Groups[1].Value;
if (string.IsNullOrEmpty(Jazoest)) Jazoest = RegexMatch(html.Replace("\\", string.Empty), "jazoest\",\"version\":2,\"should_randomize\":false},(\\d+)").Groups[1].Value;
LSD = RegexMatch(html.Replace("\\", string.Empty), "LSD\",(.*?),{\"token\":\"(.*?)\"").Groups[2].Value;
}
}
private void Setoptions(string userAgent)
{
if (string.IsNullOrEmpty(userAgent)) userAgent = UserAgentDefaut;
if (options == null) options = new RestClientOptions() { MaxTimeout = 60000, CookieContainer = new System.Net.CookieContainer(), UserAgent = userAgent, Encoding = Encoding.UTF8, Expect100Continue = true, MaxRedirects = 100, FollowRedirects = true, ThrowOnAnyError = false, FailOnDeserializationError = false, ThrowOnDeserializationError = false, RemoteCertificateValidationCallback = new RemoteCertificateValidationCallback((sender, certificate, chain, policyErrors) => { return true; }), PreAuthenticate = true };
}
public string _Cookie { set; get; }
private void SetCookie(string cookies)
{
if (string.IsNullOrEmpty(cookies)) cookies = "locale=vi_VN;";
_Cookie = cookies;
if (string.IsNullOrEmpty(UID)) UID = RegexMatch(cookies, "c_user=(\\d+)").Groups[1].Value;
foreach (string coo in cookies.Split(new[] { ";", " " }, StringSplitOptions.RemoveEmptyEntries))
{
if (coo.Contains("useragent=")) continue;
if (coo.Contains("i_user")) continue;
string[] temp = coo.Split('=');
if (temp.Length == 2) Client.CookieContainer.Add(new Cookie(temp[0], temp[1], "/", "facebook.com"));
}
}
public void setDatapost(string uid, string user)
{
datapost = $"av={user}&__user={uid}&__a=1&__dyn=&__csr=&__req=&__hs=&dpr=&__ccg=&__rev=&__s=&__hsi=&__comet_req=15&fb_dtsg={Fb_dtsg}&jazoest={Jazoest}&lsd={LSD}&__spin_r=&__spin_b=&__spin_t=&fb_api_caller_class=RelayModern";
}
public void SetProxy(string ProxyUrl)
{
if (!string.IsNullOrEmpty(ProxyUrl))
{
string[] prox = ProxyUrl.Replace(" ", "").Replace("|", ":").Split(':');
string proxyUserName = "";
string proxyPassword = "";
string proxyHost = prox[0];
string proxyPort = "";
if (!string.IsNullOrEmpty(proxyHost) && prox.Length >= 2)
{
proxyPort = prox[1];
var proxy = new WebProxy(proxyHost, int.Parse(proxyPort));
if (prox.Length > 2)
{
proxyUserName = prox[2];
proxyPassword = prox[3];
proxy.Credentials = new NetworkCredential(userName: proxyUserName, password: proxyPassword);
}
options.Proxy = proxy;
}
}
}
public string GetCookie(string url = "https://www.facebook.com")
{
string temp = "";
var MyCookie = Client.CookieContainer.GetCookies(new Uri(url));
foreach (Cookie co in MyCookie)
{
temp += co.Name + "=" + co.Value + ";";
}
return temp;
}
public Task<string> Post(string url, string data, bool isPage = false)
{
var restk = Task.Run(async () =>
{
if (string.IsNullOrEmpty(User)) User = UID;
if (string.IsNullOrEmpty(datapost) || isPage) datapost = $"av={User}&__user={UID}&__a=1&__dyn=&__csr=&__req=&__hs=&dpr=&__ccg=&__rev=&__s=&__hsi=&__comet_req=15&fb_dtsg={Fb_dtsg}&jazoest={Jazoest}&lsd={LSD}&__spin_r=&__spin_b=&__spin_t=&fb_api_caller_class=RelayModern";
url = url.Replace("{Var:Data}", datapost).Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest);
request = new RestRequest(url);
request.AddHeader("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");
request.AddHeader("sec-fetch-site", "same-origin");
request.AddHeader("sec-fetch-dest", "empty");
request.AddHeader("accept-language", "en-US,en;q=0.9");
request.AddHeader("sec-fetch-mode", "cors");
request.AddHeader("referer", "https://www.facebook.com/");
request.AddHeader("sec-ch-ua-platform", "\"Windows\"");
if (!string.IsNullOrEmpty(LSD)) request.AddHeader("x-fb-lsd", LSD);
if (string.IsNullOrEmpty(data) || (!data.Contains("&__user=") && !data.Contains("fb_dtsg"))) data = datapost + "&" + data.TrimStart('&');
else data = data.Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest);
request.AddStringBody(data, "application/x-www-form-urlencoded");
request.Method = Method.Post;
var res = await Client.ExecuteAsync(request);
html = res?.Content;
string error = GetError(html);
if (!string.IsNullOrEmpty(error)) return error;
return res?.Content;
});
return restk;
}
public Task<string> GraphApi(string data)
{
var restk = Task.Run(async () =>
{
if (string.IsNullOrEmpty(LSD) && _Cookie != "locale=vi_VN;")
{
Get("https://www.facebook.com/").Wait();
}
request = new RestRequest("https://www.facebook.com/api/graphql/");
request.AddHeader("accept", "*/*");
request.AddHeader("sec-fetch-site", "same-origin");
request.AddHeader("sec-fetch-dest", "empty");
request.AddHeader("accept-language", "en-US,en;q=0.9");
request.AddHeader("sec-fetch-mode", "cors");
request.AddHeader("referer", "https://www.facebook.com/");
request.AddHeader("sec-ch-ua-platform", "\"Windows\"");
if (!string.IsNullOrEmpty(LSD))
{
request.AddHeader("x-fb-lsd", LSD);
if (string.IsNullOrEmpty(User)) User = UID;
if (string.IsNullOrEmpty(datapost) || User != UID) datapost = $"av={User}&__user={UID}&__a=1&__dyn=&__csr=&__req=&__hs=&dpr=&__ccg=&__rev=&__s=&__hsi=&__comet_req=15&fb_dtsg={Fb_dtsg}&jazoest={Jazoest}&lsd={LSD}&__spin_r=&__spin_b=&__spin_t=&fb_api_caller_class=RelayModern";
}
if (!string.IsNullOrEmpty(data)) data = data.Replace("{Var:UID}", UID);
if (!data.Contains("&__user=") && !string.IsNullOrEmpty(UID)) data = datapost + "&" + data.TrimStart('&');
else data = data.Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest);
request.AddStringBody(data, "application/x-www-form-urlencoded");
request.Method = Method.Post;
var res = await Client.ExecuteAsync(request);
html = res?.Content;
string error = GetError(html);
if (!string.IsNullOrEmpty(error)) return error;
return res?.Content;
});
return restk;
}
public void SetData(string data)
{
datapost = data.Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest);
}
public Task<string> PostAsync(string url, string data)
{
var restk = Task.Run(async () =>
{
if (string.IsNullOrEmpty(User)) User = UID;
if (string.IsNullOrEmpty(datapost)) datapost = $"av={User}&__user={UID}&__a=1&__dyn=&__csr=&__req=&__hs=&dpr=&__ccg=&__rev=&__s=&__hsi=&__comet_req=15&fb_dtsg={Fb_dtsg}&jazoest={Jazoest}&lsd={LSD}&__spin_r=&__spin_b=&__spin_t=&fb_api_caller_class=RelayModern";
url = url.Replace("{Var:Data}", datapost).Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest);
request = new RestRequest(url);
request.AddHeader("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");
request.AddHeader("sec-fetch-site", "same-origin");
request.AddHeader("sec-fetch-dest", "empty");
request.AddHeader("accept-language", "en-US,en;q=0.9");
request.AddHeader("sec-fetch-mode", "cors");
request.AddHeader("referer", "https://www.facebook.com/");
request.AddHeader("sec-ch-ua-platform", "\"Windows\"");
if (!string.IsNullOrEmpty(LSD)) request.AddHeader("x-fb-lsd", LSD);
if (string.IsNullOrEmpty(data)) data = datapost + data;
else data = data.Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest);
request.AddStringBody(data, "application/x-www-form-urlencoded");
request.Method = Method.Post;
var res = await Client.ExecuteAsync(request);
html = res?.Content;
string error = GetError(html);
if (!string.IsNullOrEmpty(error)) return error;
return res?.Content;
});
return restk;
}
public Match RegexMatch(string input, string pattern)
{
if (string.IsNullOrEmpty(input)) return Match.Empty;
else return Regex.Match(input, pattern);
}
public string GetError(string ketqua)
{
if (string.IsNullOrEmpty(ketqua)) return "";
string status = RegexMatch(ketqua.Replace("\\\"", "'"), "name_error\":\"(.*?)\"").Groups[1].Value;
if (string.IsNullOrEmpty(status)) status = RegexMatch(ketqua.Replace("\\\"", "'"), "name_error\":\"(.*?)\"").Groups[1].Value;
if (string.IsNullOrEmpty(status)) status = RegexMatch(ketqua.Replace("\\\"", "'"), "error_message\":\"(.*?)\"").Groups[1].Value;
if (string.IsNullOrEmpty(status)) status = RegexMatch(ketqua.Replace("\\\"", "'"), "errorDescription\":\"(.*?)\"").Groups[1].Value;
if (!string.IsNullOrEmpty(status)) status = Regex.Unescape(status);
return status;
}
public async Task<string> GraphToken(string url, string data)
{
request = new RestRequest(url);
request.AddHeader("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");
request.AddHeader("sec-fetch-site", "same-origin");
request.AddHeader("sec-fetch-dest", "empty");
request.AddHeader("accept-language", "en-US,en;q=0.9");
request.AddHeader("sec-fetch-mode", "cors");
request.AddHeader("referer", "https://www.facebook.com/");
request.AddHeader("sec-ch-ua-platform", "\"Windows\"");
request.AddStringBody(data, "application/x-www-form-urlencoded");
request.Method = Method.Post;
var res = await Client.ExecuteAsync(request);
html = res?.Content;
string error = GetError(html);
if (!string.IsNullOrEmpty(error)) return error;
return res?.Content;
}
public Task<string> Get(string url)
{
var restk = Task.Run(async () =>
{
request = new RestRequest(url.Replace("{Var:Fb_dtsg}", Fb_dtsg).Replace("{Var:LSD}", LSD).Replace("{Var:Jazoest}", Jazoest));
request.AddHeader("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");
request.AddHeader("sec-fetch-site", "same-origin");
request.AddHeader("sec-fetch-dest", "empty");
request.AddHeader("accept-language", "en-US,en;q=0.9");
request.AddHeader("sec-fetch-mode", "cors");
request.AddHeader("referer", "https://www.facebook.com/");
request.AddHeader("sec-ch-ua-platform", "\"Windows\"");
request.Method = Method.Get;
var res = await Client.ExecuteAsync(request);
try
{
if (res.ResponseUri != null)
ResponseURI = res.ResponseUri.OriginalString;
}
catch { }
if (res.StatusCode != HttpStatusCode.OK)
{
return res?.Content;
}
html = res?.Content;
string error = GetError(html);
if (!string.IsNullOrEmpty(error)) return error;
if (string.IsNullOrEmpty(LSD))
{
string temp = res?.Content;
if (!string.IsNullOrEmpty(temp))
{
ResetToken(temp);
}
}
return res?.Content;
});
return restk;
}
private string RandomString(int num)
{
var chars = "abcdefghijklmnopqrstuvwxyz0123456789";
var stringChars = new char[num];
var random = new Random();
for (int i = 0; i < stringChars.Length; i++)
{
stringChars[i] = chars[random.Next(chars.Length)];
}
string finalString = new string(stringChars);
return finalString;
}
public bool isPageProfile(string id)
{
string html = GraphApi("&variables={\"pageID\":\"" + id + "\"}&doc_id=5710437792369510").Result;
if (html.Contains("\"data\":{\"page\":null}"))
{
return true;
}
else return false;
}
public bool isIDPublish(string id)
{
string html = GraphApi("&q=node(" + id + "){name}").Result;
string name = RegexMatch(html, "name\":\"(.*?)\"").Groups[1].Value;
if (!string.IsNullOrEmpty(name))
{
return true;
}
else return false;
}
public void ChangePageProfile(string profile)
{
if (string.IsNullOrEmpty(LSD))
{
Get("https://www.facebook.com").Wait();
}
var temphtml = GraphApi(datapost + "&variables={\"profile_id\":\"" + profile + "\"}&server_timestamps=true&doc_id=4855674131145168&fb_api_analytics_tags=[\"qpl_active_flow_ids=30605361\"]").Result;
temphtml = Get("https://www.facebook.com/").Result;
ResetToken(temphtml);
}
public void ChangeBackProfile()
{
if (string.IsNullOrEmpty(LSD))
{
Get("https://www.facebook.com").Wait();
}
string temphtml = GraphApi(datapost + "&variables={\"profile_id\":\"" + UID + "\"}&server_timestamps=true&doc_id=4855674131145168&fb_api_analytics_tags=[\"qpl_active_flow_ids=30605361\"]").Result;
temphtml = Get("https://www.facebook.com/").Result;
ResetToken(temphtml);
}
public void TryDispose()
{
Client?.Dispose();
}
~RequestFb()
{
Client?.Dispose();
}
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