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.Text.RegularExpressions;
using System.Collections.Specialized;
using System.Net;
using System.IO;

namespace CustomRequest {
    public partial class frmMain : Form {
        public frmMain() {
            InitializeComponent();
        }

        private DataGridViewRow rowHost;
        private DataGridViewRow rowPath;
        private DataGridViewRow rowHTTP;

        private Regex regUrl = new Regex("^((?<protocol>https?)\\:\\/\\/)?(?<host>[a-zA-Z0-9\\.\\-_]+)(?<path>\\/.*?)?(?<query>\\?.*?)?$", RegexOptions.Singleline | RegexOptions.Compiled | RegexOptions.ExplicitCapture);

        private void frmMain_Load(object sender, EventArgs e) {
            this.New();
            string[] arguments = Environment.GetCommandLineArgs();
            if(arguments.Length>1) {
                if (this.LoadFile(arguments[1]))
                    this.Run();
            }
        }

        public void New() {
            initRequestheaderView();
            this.txtResponse.Text = "";
            this.txtResponseCode.Text = "";
            this.txtUrl.Text = "";
            this.dgvCookies.Rows.Clear();
            this.dgvGET.Rows.Clear();
            this.dgvPOST.Rows.Clear();
        }

        protected void initRequestheaderView() {

            this.rowHost = new DataGridViewRow();
            this.rowPath = new DataGridViewRow();
            this.rowHTTP = new DataGridViewRow();

            DataGridViewRow rowMethod = new DataGridViewRow();
            rowMethod.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Method" },
                new DataGridViewCheckBoxCell() { Value = true },
                //new DataGridViewTextBoxCell() { Value = "GET" }
                new DataGridViewComboBoxCell() { Value = "GET" }
            });
            ((DataGridViewComboBoxCell)rowMethod.Cells[2]).Items.AddRange("GET", "POST", "PATCH", "PUT", "CONNECT", "HEAD", "DELETE", "TRACE");

            rowPath.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Path" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "" }
            });

            rowHTTP.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "HTTP Version" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewComboBoxCell() { Value = "HTTP/1.1" }
            });
            ((DataGridViewComboBoxCell)rowHTTP.Cells[2]).Items.AddRange("HTTP/1.0", "HTTP/1.1");

            rowHost.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "host" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "" }
            });

            DataGridViewRow rowConnection = new DataGridViewRow();
            rowConnection.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Connection" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewComboBoxCell() { Value = "Close" }
            });
            ((DataGridViewComboBoxCell)rowConnection.Cells[2]).Items.AddRange("Close", "keep-alive");

            DataGridViewRow rowContentType = new DataGridViewRow();
            rowContentType.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Content-Type" },
                new DataGridViewCheckBoxCell() { Value = false },
                new DataGridViewTextBoxCell() { Value = "application/x-www-form-urlencoded" }
            });

            DataGridViewRow rowContentLength = new DataGridViewRow();
            rowContentLength.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Content-Length" },
                new DataGridViewCheckBoxCell() { Value = false },
                new DataGridViewTextBoxCell() { Value = "auto" }
            });

            DataGridViewRow rowPragma = new DataGridViewRow();
            rowPragma.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "pragma" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "no-cache" }
            });

            DataGridViewRow rowCacheControl = new DataGridViewRow();
            rowCacheControl.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "cache-control" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "no-cache" }
            });

            DataGridViewRow rowUpgradeInsecureRequests = new DataGridViewRow();
            rowUpgradeInsecureRequests.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Upgrade-Insecure-Requests" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "1" }
            });

            DataGridViewRow rowUserAgent = new DataGridViewRow();
            rowUserAgent.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "User-Agent" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.158 Safari/537.36 Vivaldi/2.5.1525.43" }
            });

            DataGridViewRow rowDNT = new DataGridViewRow();
            rowDNT.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "DNT" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "1" }
            });
            rowDNT.Cells[0].ToolTipText = "Do not Track";

            DataGridViewRow rowAccept = new DataGridViewRow();
            rowAccept.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Accept" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3" }
            });

            DataGridViewRow rowReferer = new DataGridViewRow();
            rowReferer.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "referer" },
                new DataGridViewCheckBoxCell() { Value = false },
                new DataGridViewTextBoxCell() { Value = "https://www.google.com/" }
            });

            DataGridViewRow rowAcceptEncoding = new DataGridViewRow();
            rowAcceptEncoding.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Accept-Encoding" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "gzip, deflate" }
            });

            DataGridViewRow rowAcceptLanguage = new DataGridViewRow();
            rowAcceptLanguage.Cells.AddRange(new DataGridViewCell[] {
                new DataGridViewTextBoxCell() { Value = "Accept-Language" },
                new DataGridViewCheckBoxCell() { Value = true },
                new DataGridViewTextBoxCell() { Value = "de-DE,de;q=0.9,en-US;q=0.8,en;q=0.7" }
            });


            dgvRequest.Rows.Clear();

            dgvRequest.Rows.AddRange(new DataGridViewRow[] {
                rowMethod,
                rowPath,
                rowHTTP,
                rowHost,
                rowConnection,
                rowPragma,
                rowUpgradeInsecureRequests,
                rowUserAgent,
                rowDNT,
                rowAccept,
                rowReferer,
                rowAcceptEncoding,
                rowAcceptLanguage
            });
        }

        private void txtUrl_TextChanged(object sender, EventArgs e) {
            if(string.IsNullOrEmpty(txtUrl.Text)) {
                rowHost.Cells[2].Value = "";
                rowPath.Cells[2].Value = "";
            } else {
                Match m = regUrl.Match(this.txtUrl.Text);
                if (m.Groups["host"].Success)
                    rowHost.Cells[2].Value = m.Groups["host"].Value;
                if (m.Groups["path"].Success)
                    rowPath.Cells[2].Value = m.Groups["path"].Value;
            }
        }

        private void cmdSend_Click(object sender, EventArgs e) {
            this.Run();
        }

        protected void Run() {
            string dt = DateTime.Now.Year.ToString() + "_" + (DateTime.Now.Month < 10 ? "0" : "") + DateTime.Now.Month + "_" + (DateTime.Now.Day < 10 ? "0" : "") + DateTime.Now.Day + "_" + (DateTime.Now.Hour < 10 ? "0" : "") + DateTime.Now.Hour + "_" + (DateTime.Now.Minute < 10 ? "0" : "") + DateTime.Now.Minute;
            string index = "";
            if (!System.IO.Directory.Exists("log/"))
                System.IO.Directory.CreateDirectory("log/");
            for(int i=1;i<10;i++) {
                if (!System.IO.File.Exists("log / request_" + dt + index + ".log"))
                    break;
                else
                    index = "_" + i;
            }
            System.IO.StreamWriter sw = new StreamWriter("log/request_"+dt+index+".log");
            tslState.Text = "Check Header";
            tslProgress.Maximum = 100;
            tslProgress.Value = 0;
            tslState.Visible = true;
            tslError.Visible = false;
            tslProgress.Visible = true;
            bool bValidHeader = CheckHeader();
            tslProgress.Value = 5;
            tslState.Text = "Generate Header";
            NameValueCollection header = GenerateHeader();
            tslProgress.Value = 10;
            tslProgress.Visible = false;
            string cookieStr = "";

            sw.WriteLine("Basis Info\r\n----------------------------------------------------------");

            string[] urlParts = txtUrl.Text.Split('?');
            string url = urlParts[0];
            string query = "";
            foreach(DataGridViewRow row in this.dgvGET.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (!string.IsNullOrEmpty((string)row.Cells[2].Value))
                        query += (query.Length == 0 ? "?" : "&") + WebUtility.UrlEncode(row.Cells[0].Value.ToString()) + "=" + WebUtility.UrlEncode(row.Cells[2].Value.ToString());
                }
            }
            sw.WriteLine("Send query: " + query);
            System.Diagnostics.Debug.WriteLine("Send Query: " + query);

            foreach (DataGridViewRow row in this.dgvCookies.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (!string.IsNullOrEmpty((string)row.Cells[2].Value))
                        cookieStr += (cookieStr.Length == 0 ? "" : "; ") + row.Cells[0].Value.ToString() + "=" + row.Cells[2].Value.ToString();
                }
            }
            sw.WriteLine("Send cookie: " + cookieStr);
            System.Diagnostics.Debug.WriteLine("Send Cookie: " + cookieStr);

            tslProgress.Value = 15;
            tslState.Text = "Generate Content";
            string post = "";
            foreach (DataGridViewRow row in this.dgvPOST.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (!string.IsNullOrEmpty((string)row.Cells[2].Value))
                        post += (post.Length == 0 ? "" : "&") + WebUtility.UrlEncode(row.Cells[0].Value.ToString()) + "=" + WebUtility.UrlEncode(row.Cells[2].Value.ToString());
                }
            }
            sw.WriteLine("Send post: " + post);
            System.Diagnostics.Debug.WriteLine("Send Post: " + post);

            string callUrl = (url.Contains("://")?"":"http://") + url + (url.IndexOf("/",9)==-1?"/":"") + query;

            sw.WriteLine("URL: " + callUrl);
            sw.WriteLine("");
            System.Diagnostics.Debug.WriteLine(callUrl);

            HttpWebRequest request = WebRequest.CreateHttp(callUrl);
            request.Method = this.GetHeaderField("Method").ToUpper();
            request.AllowAutoRedirect = false;

            System.Diagnostics.Debug.WriteLine(request.Method + " " + callUrl.Substring(callUrl.IndexOf("/", 9)) + " HTTP/" + request.ProtocolVersion.Major.ToString() + "." + request.ProtocolVersion.Minor.ToString());
            sw.WriteLine("");
            sw.WriteLine("");
            sw.WriteLine("Request\r\n----------------------------------------------------------");
            sw.WriteLine(request.Method + " " + callUrl.Substring(callUrl.IndexOf("/", 9)) + " HTTP/" + request.ProtocolVersion.Major.ToString() + "." + request.ProtocolVersion.Minor.ToString());

            if (HasHeaderField("Host")) {
                request.Host = GetHeaderField("Host");
            }

            if (HasHeaderField("User-Agent")) {
                request.UserAgent = GetHeaderField("User-Agent");
            }

            if (HasHeaderField("Accept")) {
                request.Accept = GetHeaderField("Accept");
            }

            if (HasHeaderField("Content-Type")) {
                request.ContentType = GetHeaderField("Content-Type");
            }

            request.CookieContainer = new CookieContainer();
            foreach (DataGridViewRow row in this.dgvCookies.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (!string.IsNullOrEmpty((string)row.Cells[2].Value) && !string.IsNullOrEmpty((string)row.Cells[0].Value))
                        request.CookieContainer.Add(new Uri(txtUrl.Text), new Cookie((string)row.Cells[0].Value, (string)row.Cells[2].Value));
                }
            }

            //request.Headers.Add(header);
            foreach (string k in header.AllKeys) {
                try {
                    request.Headers[k] = header[k];
                } catch(Exception ex) {
                    System.Diagnostics.Debug.WriteLine("Failed to add Header: '" + k + "' = '" + header[k] + "'");
                }
            }

            if (request.Method=="POST") {
                string xlen = GetHeaderField("Content-Length").Trim().ToLower();
                if (!HasHeaderField("Content-Type") && !HasHeaderField("Content-Length")) {
                    if(MessageBox.Show("Es wurde kein Content-Type und keine Content-Length gesetzt\r\nSollen die Felder automatisch befüllt werden?","POST Request", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) {
                        request.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
                        xlen = "auto";
                    }
                } else if(!HasHeaderField("Content-Type")) {
                    if (MessageBox.Show("Es wurde kein Content-Type gesetzt\r\nSoll das Feld automatisch befüllt werden?", "POST Request", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) {
                        request.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
                    }
                } else if (!HasHeaderField("Content-Length")) {
                    if (MessageBox.Show("Es wurde keine Content-Length gesetzt\r\nSoll das Feld automatisch befüllt werden?", "POST Request", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) {
                        xlen = "auto";
                    }
                }
                string ct = header["Content-Type"];
                Encoding enc = System.Text.Encoding.ASCII;
                
                /*if (!String.IsNullOrEmpty(ct)) {
                    ct = ct.ToLower();
                    if (ct.Contains("utf8") || ct.Contains("utf-8")) {
                        enc = Encoding.UTF8;
                    } else if (ct.Contains("unicode") || ct.Contains("utf16") || ct.Contains("utf-8")) {
                        enc = Encoding.Unicode;
                    } else if (ct.Contains("utf32") || ct.Contains("utf-32")) {
                        enc = Encoding.UTF32;
                    }
                }*/
                byte[] content = enc.GetBytes(post);
                if (xlen == "auto")
                    request.ContentLength = content.Length;
                else {
                    long val = 0;
                    if(long.TryParse(xlen, out val)) {
                        request.ContentLength = val;
                    } else {
                        request.ContentLength = content.Length;
                    }
                }
                
                Stream dataStream = request.GetRequestStream();
                dataStream.Write(content, 0, content.Length);
                dataStream.Close();
                sw.WriteLine("");
                sw.WriteLine(post);
            }

            foreach (string hKey in request.Headers.AllKeys) {
                sw.WriteLine(hKey + ": " + request.Headers[hKey]);
                System.Diagnostics.Debug.WriteLine(hKey + ": " + request.Headers[hKey]);
            }

            tslProgress.Value = 20;
            tslState.Text = "Sending...";
            sw.WriteLine("");
            sw.WriteLine("");
            sw.WriteLine("Response\r\n----------------------------------------------------------");
            WebResponse response = request.GetResponse();

            tslState.Text = "Get response";
            string resHeader = "";
            tslProgress.Value = 70;
            foreach (string k in response.Headers.AllKeys) {
                resHeader += k + ": " + response.Headers[k] + "\r\n";
            }
            sw.WriteLine(resHeader);
            this.txtResponse.Text = resHeader;

            tslProgress.Value = 75;
            Stream data = response.GetResponseStream();
            StreamReader tr = new StreamReader(data);
            string raw = tr.ReadToEnd();

            this.txtResponseCode.Text = raw;
            if(raw.Trim().Contains("<") && raw.Contains("<head") && raw.Contains("<html")) {
                string browserContent = raw;
                browserContent = Regex.Replace(browserContent, @"<script[^>]*>[\s\S]*?</script>", "", RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture);
                browserContent = Regex.Replace(browserContent, "(\\<script[^>]\\>)", "", RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture);
                this.webBrowser1.DocumentText = browserContent;
                this.txtResponseCode.Text = browserContent;

                sw.WriteLine("");
                sw.WriteLine("");
                sw.WriteLine("Content\r\n----------------------------------------------------------");
                sw.WriteLine(raw);
            }

            sw.Close();
        }

        private bool CheckHeader() {
            bool res = true;
            string[] required = new string[] { "Path", "Method", "Host", "HTTP Version", "Connection" };
            foreach (string h in required) {
                if(!this.HasHeaderField(h)) {
                    tslError.Text = "Header '" + h + "' required";
                    return false;
                }
            }
            return false;
        }

        private bool HasHeaderField(string fieldName) {
            foreach (DataGridViewRow row in this.dgvRequest.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (((string)row.Cells[0].Value).ToLower().Trim() == fieldName.ToLower().Trim())
                        if (!string.IsNullOrEmpty((string)row.Cells[2].Value))
                            return true;
                }
            }
            return false;
        }

        private string GetHeaderField(string fieldName) {
            foreach (DataGridViewRow row in this.dgvRequest.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (((string)row.Cells[0].Value).ToLower().Trim() == fieldName.ToLower().Trim())
                        if (!string.IsNullOrEmpty((string)row.Cells[2].Value))
                            return (string)row.Cells[2].Value;
                }
            }
            return "";
        }

        private NameValueCollection GenerateHeader() {
            string query_string = "";
            NameValueCollection res = new NameValueCollection();
            foreach (DataGridViewRow row in this.dgvRequest.Rows) {
                if (row.Cells[1].Value != null && (bool)row.Cells[1].Value == true) {
                    if (row.Cells[0].Value != null && !String.IsNullOrEmpty(row.Cells[2].Value.ToString()) && row.Cells[2].Value != null) {
                        string var = row.Cells[0].Value.ToString().Trim();
                        if(var!="Method" && var!="Path" && var!= "HTTP Version") {
                            res[var] = row.Cells[2].Value.ToString();
                        }
                    }
                }
            }
            return res;
        }

        private void öffnenToolStripMenuItem_Click(object sender, EventArgs e) {
            openFileDialog1.Filter = "Request Dateien (*.req)|*.req|Alle Dateien|*.*";
            openFileDialog1.Title = "Öffnen";
            if(openFileDialog1.ShowDialog() == DialogResult.OK) {
                LoadFile(openFileDialog1.FileName);
            }
        }

        private string loadedFile = "";

        protected bool LoadFile(string file) {
            if (!System.IO.File.Exists(file))
                return false;
            this.loadedFile = file;

            SaveData s = System.Fire.Serialize.Serializer.DeserializeObject<SaveData>(file, System.Fire.Serialize.Property.ArraySize.bits_16, System.Fire.Serialize.Property.StringEncoding.UTF8);
            if(s==null) {
                return false;
            }

            this.New();

            this.txtUrl.Text = s.url;

            foreach (SaveData_Row r in s.headers) {
                DataGridViewRow row = new DataGridViewRow();
                row.Cells.AddRange(new DataGridViewCell[] {
                    new DataGridViewTextBoxCell() { Value = r.variable},
                    new DataGridViewCheckBoxCell() {Value = r.active},
                    new DataGridViewTextBoxCell() { Value = r.value}
                });
                dgvRequest.Rows.Add(row);
            }

            foreach (SaveData_Row r in s.get) {
                DataGridViewRow row = new DataGridViewRow();
                row.Cells.AddRange(new DataGridViewCell[] { 
                    new DataGridViewTextBoxCell() { Value = r.variable},
                    new DataGridViewCheckBoxCell() {Value = r.active},
                    new DataGridViewTextBoxCell() { Value = r.value}
                });
                dgvGET.Rows.Add(row);
            }

            foreach (SaveData_Row r in s.post) {
                DataGridViewRow row = new DataGridViewRow();
                row.Cells.AddRange(new DataGridViewCell[] {
                    new DataGridViewTextBoxCell() { Value = r.variable},
                    new DataGridViewCheckBoxCell() {Value = r.active},
                    new DataGridViewTextBoxCell() { Value = r.value}
                });
                dgvPOST.Rows.Add(row);
            }

            foreach (SaveData_Row r in s.cookies) {
                DataGridViewRow row = new DataGridViewRow();
                row.Cells.AddRange(new DataGridViewCell[] {
                    new DataGridViewTextBoxCell() { Value = r.variable},
                    new DataGridViewCheckBoxCell() {Value = r.active},
                    new DataGridViewTextBoxCell() { Value = r.value}
                });
                dgvCookies.Rows.Add(row);
            }
            return true;
        }

        protected bool Save() {
            if(string.IsNullOrEmpty(this.loadedFile)) {
                return SaveAs();
            }
            return Save(this.loadedFile);
        }

        protected bool Save(string file) {
            this.loadedFile = file;
            SaveData s = new SaveData();
            s.url = txtUrl.Text;
            s.headers = new List<SaveData_Row>();
            foreach (DataGridViewRow row in this.dgvRequest.Rows) {
                if (row.Cells[0].Value != null) {
                    s.headers.Add(new SaveData_Row() {
                        variable = (string)row.Cells[0].Value,
                        active = (row.Cells[1].Value == null ? false : (bool)row.Cells[1].Value == true),
                        value = (row.Cells[0].Value==null?"":(string)row.Cells[2].Value)
                    });
                }
            }
            s.get = new List<SaveData_Row>();
            foreach(DataGridViewRow row in this.dgvGET.Rows) {
                if (row.Cells[0].Value != null) {
                    s.headers.Add(new SaveData_Row() {
                        variable = (string)row.Cells[0].Value,
                        active = (row.Cells[1].Value==null?false:(bool)row.Cells[1].Value == true),
                        value = (row.Cells[0].Value == null ? "" : (string)row.Cells[2].Value)
                    });
                }
            }
            s.post = new List<SaveData_Row>();
            foreach (DataGridViewRow row in this.dgvPOST.Rows) {
                if (row.Cells[0].Value != null) {
                    s.headers.Add(new SaveData_Row() {
                        variable = (string)row.Cells[0].Value,
                        active = (row.Cells[1].Value == null ? false : (bool)row.Cells[1].Value == true),
                        value = (row.Cells[0].Value == null ? "" : (string)row.Cells[2].Value)
                    });
                }
            }
            s.cookies = new List<SaveData_Row>();
            foreach (DataGridViewRow row in this.dgvCookies.Rows) {
                if (row.Cells[0].Value != null) {
                    s.headers.Add(new SaveData_Row() {
                        variable = (string)row.Cells[0].Value,
                        active = (row.Cells[1].Value == null ? false : (bool)row.Cells[1].Value == true),
                        value = (row.Cells[0].Value == null ? "" : (string)row.Cells[2].Value)
                    });
                }
            }
            System.Fire.Serialize.Serializer.SerializeObject(file, s, System.Fire.Serialize.Property.ArraySize.bits_16, System.Fire.Serialize.Property.StringEncoding.UTF8);
            return true;
        }

        protected bool SaveAs() {
            saveFileDialog1.Filter = "Request Dateien (*.req)|*.req|Alle Dateien|*.*"; ;
            saveFileDialog1.Title = "Speichern unter";
            if(saveFileDialog1.ShowDialog()== DialogResult.OK) {
                return this.Save(saveFileDialog1.FileName);
            }
            return false;
        }

        private void speichernToolStripMenuItem_Click(object sender, EventArgs e) {
            this.Save();
        }

        private void speichernUnterToolStripMenuItem_Click(object sender, EventArgs e) {
            this.SaveAs();
        }
    }
}