clone of h6Dthvuh

Reddit DNC vote bot, this is just a function, that is used by the bigger part of the program called 'Ultimate'

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.IO;
using reddit.Properties;
using System.Collections.Specialized;
using System.Net.Http;
using Newtonsoft.Json;
using System.Web.Script.Serialization;
using System.Web;
using System.Text.RegularExpressions;

        public class Rootobject
        {
            public Json json { get; set; }
        }

        public class Json
        {
            public object[] errors { get; set; }
            public Data data { get; set; }
        }

        public class Data
        {
            public bool need_https { get; set; }
            public string modhash { get; set; }
            public string cookie { get; set; }
        }

        private string _mainid;
        private string _postid;
        private string _commentid;
        private int _votetype;
        private string _subreddit;
        private string _uh;
        private string _vh;
        private string _username;
        private string _password;
        private string[] _identify;

        private CookieContainer cookieContainer = new CookieContainer();
        private HttpClientHandler clienthandler = new HttpClientHandler { AllowAutoRedirect = true, UseCookies = true, CookieContainer = new CookieContainer() };
        private readonly HttpClient client;

        private string connection { get; set; }
        private string DatabaseHost { get; } = Settings.Default["databasehost"].ToString();
        private string DatabaseUser { get; } = Settings.Default["databaseusername"].ToString();
        private string DatabasePassword { get; } = Settings.Default["databasepassword"].ToString();
        private string DatabaseName { get; } = Settings.Default["databasename"].ToString();

        public string MainID
        {
            get { return _mainid; }
            set { this._mainid = value; }
        }

        public string PostID
        {
            get { return _postid; }
            set { this._postid = value; }
        }

        public string CommentID
        {
            get { return _commentid; }
            set { this._commentid = value; }
        }

        public string VoteType
        {
            get
            {
                this.Invoke(new Action(() =>
                {
                    _votetype = votetype.SelectedIndex;
                }));
                return ( _votetype == 0) ? "1" : "-1";
            }
        }

        public string Subreddit
        {
            get { return _subreddit; }
            set { this._subreddit = value; }
        }

        public string uh
        {
            get { return _uh; }
            set { this._uh = value; }
        }

        public string vh
        {
            get { return _vh; }
            set { this._vh = value; }
        }

        public string username
        {
            get { return _username; }
            set { this._username = value; }
        }

        public string password
        {
            get { return _password; }
            set { this._password = value; }
        }

        public string accounts
        {
            get { return Settings.Default["accounts"].ToString(); }
        }

        public string[] identify
        {
            get
            {
                if (_identify == null)
                {
                    _identify = url.Text.Split('/');
                }
                return _identify;
            }
        }

        public voting()
        {
            InitializeComponent();

            votetype.SelectedIndex = 0;
            client = new HttpClient(clienthandler);
            client.DefaultRequestHeaders.Add("Origin", "https://www.reddit.com");
            client.DefaultRequestHeaders.Add("X-Requested-With", "XMLHttpRequest");
            client.DefaultRequestHeaders.Add("Accept-Encoding", "gzip, deflate");
            client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.2; WOW64; rv:19.0) Gecko/20100101 Firefox/19.0");
            client.DefaultRequestHeaders.Add("Accept-Charset", "ISO-8859-1");
        }


        private async Task core()
        {
            try
            {
                // started voting
                this.Invoke(new Action(() =>
                {
                    status.Text = "Voting Started";
                    status.ForeColor = System.Drawing.Color.Green;
                }));

                // get the subreddit, postid and commentid
                Subreddit = identify[4].ToString();
                PostID = "t3_" + identify[6].ToString();
                if (identify[8].ToString() != "")
                {
                    CommentID = "t1_" + identify[8].ToString();
                }

                // loop through text file to get the account information
                string[] lines = File.ReadAllLines(accounts);
                List<string> newlines = new List<string>();
                foreach (string line in lines)
                {
                    string[] temp = line.Split('|');
                    username = temp[0];
                    password = temp[1];

                    // log the user in, run through accounts, complete actions then use next account
                    await login();

                    // we've logged in time to vote
                    await vote();

                    // logout and use the next account
                    await logout();
                }

                // completed voting
                this.Invoke(new Action(() =>
                {
                    // Status update
                    status.Text = "Voting Completed";
                    status.ForeColor = System.Drawing.Color.Green;
                }));
            }
            catch (Exception ex)
            {
                this.Invoke(new Action(() =>
                {
                    status.Text = "Error: " + ex.Message;
                    status.ForeColor = System.Drawing.Color.Red;
                }));
            }
        }

        private async Task login()
        {
            // A simple login to store user information
            var postdata = new Dictionary<string, string>
            {
                { "op", "login" },
                { "user", username},
                { "passwd", password},
                { "api_type", "json"},
            };

            var content = new FormUrlEncodedContent(postdata);
            var response = await client.PostAsync("https://www.reddit.com/api/login/" + username, content);

            var responseString = await response.Content.ReadAsStringAsync();

            var serializer = new JavaScriptSerializer();
            var jsonObject = serializer.Deserialize<Rootobject>(responseString);
            uh = jsonObject.json.data.modhash;

            // get the voting hash too
            await getHash();
        }

        private async Task logout()
        {
            // A simple logout so we can use multiple accounts
            var postdata = new Dictionary<string, string>
            {
                { "uh", uh},
                { "top", "off"},
            };
            var content = new FormUrlEncodedContent(postdata);
            var response = await client.PostAsync("https://www.reddit.com/logout", content);
        }


        private async Task getHash()
        {
            var response = await client.GetStringAsync("https://www.reddit.com/");
            string vhash = new Regex(Regex.Unescape(@"""vote_hash"": ""(.*?)""")).Match(response).Groups[1].ToString();
            vh = vhash;
        }

        private async Task vote()
        {
            try
            {
                //MainID = (CommentID != "") ? CommentID : PostID;
                MainID = PostID;
                // Vote on the post, add the session id etc
                // A simple login to store user information
                var postdata = new Dictionary<string, string>
                {
                    { "id", MainID },
                    { "dir", VoteType },
                    { "vh", vh },
                    { "isTrusted", "true" },
                    { "r", Subreddit },
                    { "uh", uh },
                    { "renderstyle", "html" },
                };

                var content = new FormUrlEncodedContent(postdata);
                var response = await client.PostAsync("https://www.reddit.com/api/vote?dir=" + VoteType + "&id=" + MainID + "&sr=" + Subreddit, content);
                var responseString = await response.Content.ReadAsStringAsync();

                this.Invoke(new Action(() =>
                {
                    // Status update
                    status.Text = "Upvoted with account: " + username;
                    status.ForeColor = System.Drawing.Color.Green;
                }));
            }
            catch( Exception ex )
            {
                this.Invoke(new Action(() =>
                {
                    // Status update
                    status.Text = "Error: " + ex.Message;
                    status.ForeColor = System.Drawing.Color.Red;
                }));
            }

        }