Use of Login.ws file

Hi,

I am working on a hosting environment and the application related to it has a log in feature in which you can enter credentials for remote log in.

There is hard-coding for the path of the Login.ws file which is appended to the URL for remote log in.

I cant seem to find that file in the path specified. After going through the appended URI, the application is supposed to populate a list of databases that the user can open for further use.

I am pasting the code used for log in and data source .

public Hashtable Login(string username, string password, string url) {
            // Set the base URI - this will be used for every other server call
            baseURI = url;
            string uri = "/designer/login.ws";         
            Hashtable data = new Hashtable();
            
            // Create parameters for post
            StringBuilder sb = new StringBuilder();
            sb.Append("username=").Append(username).Append("&password=").Append(password);
            // Make sure URI is valid
            try {
                HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(baseURI + uri);
            } catch (Exception e) {
                MessageBox.Show("The Server URL provided is invalid.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
                return null;
            }

            XmlDocument doc = CallServer(sb.ToString(), uri);
            if (doc == null) {
                data.Add(Globals.RETURN_CODE, -1);
                return data;
            }

            // Return Code
            int code = ParseReturnCode(doc);                
            data.Add(Globals.RETURN_CODE, code);
           
            if (code < 0) {
                MessageBox.Show("Error parsing return data from Server.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);                                    
            } else if (code == 0) {
                MessageBox.Show("Incorrect username and/or password. Please try again.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);                    
            } else if (code == 1) {
                // Parse User Info
                Owner owner = new Owner();
                XmlElement user = GetXmlElement(doc, "user");              
                owner.ID = ParseIntValue(user, "id", 0);
                owner.Name = ParseStringValue(user, "name");                
                owner.ContentAdmin = Boolean.Parse(ParseStringValue(user, "admin"));
                // Parse databases
                databases = new List<Database>();
                XmlNodeList list = doc.GetElementsByTagName("database");
                for (int i = 0; i < list.Count; i++) {
                    XmlElement elm = (XmlElement)list[i];         
                    Database db = new Database();                               
                    db.ID = ParseIntValue(elm, "id", 0);                  
                    db.Name = ParseStringValue(elm, "name");                                    
                    db.Description = ParseStringValue(elm, "description");                                       
                    db.DataSourceName = ParseStringValue(elm, "ds-id");                    
                    databases.Add(db);
                }
                // Parse audience info
                List<Audience> audiences = new List<Audience>();
                list = doc.GetElementsByTagName("audience");
                for (int i = 0; i < list.Count; i++) {
                    XmlElement elm = (XmlElement)list[i];
                    Audience aud = new Audience();                                       
                    aud.ID = ParseIntValue(elm, "id", 0);
                    aud.Name = ParseStringValue(elm, "name");                    
                    audiences.Add(aud);
                }
                owner.Audiences = audiences;

                data.Add(Globals.AUDIENCES, audiences);
                data.Add(Globals.DATABASES, databases);
                data.Add(Globals.USER, owner);
            } else if (code == 2) {
                MessageBox.Show("You do not have the required capabilities to use Designer", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);                    
            }
            return data;                    

        }

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private XmlDocument CallServer(string postdata, string url) {
            HttpWebRequest req = null;
            HttpWebResponse res = null;           
            Stream os = null;
            string uri = baseURI + url;
            XmlDocument doc = null;
            try {
                // Create parameters for post   
                if (database != null) {
                    if ((postdata == null) || (postdata.Trim().Length == 0)) {
                        postdata = "ds=" + database.DataSourceName;
                    } else {
                        postdata += "&ds=" + database.DataSourceName;
                    }
                } else {
                    if (postdata == null)
                        postdata = "";
                }
                
                //byte[] bytes = Encoding.ASCII.GetBytes(postdata);
                byte[] bytes = Encoding.UTF8.GetBytes(postdata);
                
                // send the POST                
                req = (HttpWebRequest)HttpWebRequest.Create(uri);
                if (cookieContainer == null) cookieContainer = new CookieContainer();                     
                req.CookieContainer = cookieContainer;
                
                req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
                req.Method = "POST";
                req.ContentLength = bytes.Length;   //Count bytes to send
                os = req.GetRequestStream();
                os.Write(bytes, 0, bytes.Length);         //Send it            
                os.Close();

                // Get the Response                
                res = (HttpWebResponse)req.GetResponse();
                if (res == null) {
                    MessageBox.Show("Could not establish a connection to the Server.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return doc;
                }
                //XmlTextReader reader = new XmlTextReader(res.GetResponseStream());     
                //cookieContainer = req.CookieContainer;
                doc = new XmlDocument();      
                doc.Load(res.GetResponseStream());
               
            } catch (Exception ex) {                
                //MessageBox.Show("Error communicating with Coachware Server." + ex.ToString(), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
            } finally {
                if (os != null)
                    os.Close();                
                if (res != null)
                    res.Close();
            }
            return doc;
        }

    }

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