533 lines
20 KiB
C#
533 lines
20 KiB
C#
///
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/// Copyright (c) 2016-2017 Sensus Metering Systems
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///
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using System;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using System.Text;
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using log4net;
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namespace Users.Entities
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{
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public class User
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{
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static readonly ILog log = LogManager.GetLogger(typeof(User));
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public virtual int Id { get; protected set; }
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public virtual string UserName { get; set; } /// = name, alias, abbreviation
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public virtual string FullName { get; set; } /// = description
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public virtual string Tag { get; set; }
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public virtual int Number { get; set; }
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public virtual string Password { get; set; }
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public virtual DateTime LastPwChange { get; set; }
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public virtual IList<Group> Groups { get; set; } //User can be a member of a list of groups
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private bool powerUser; /// true for built-in users, power users have full access even with empty Groups list
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public virtual bool IsPowerUser() { return powerUser; }
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private string legalizator; /// Not mapped to a database !!!, 2nd user entered in a logging dialog
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public virtual void SetLegalizator(string value) { legalizator = value; }
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public virtual string GetLegalizator() { return legalizator; }
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public User()
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{
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this.powerUser = false;
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Groups = new List<Group>();
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Number = 0;
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Tag = string.Empty;
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}
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public User(string userName, int number, bool powerUser)
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{
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UserName = userName;
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Number = number;
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this.powerUser = powerUser;
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Groups = new List<Group>();
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FullName = powerUser ? "Power User" : string.Empty;
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}
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public virtual void AddGroup(Group group)
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{
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Groups.Add(group);
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}
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/// <summary>
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/// All members are copied except of ID (so that NHibernate works properly).
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/// List of groups is empty.
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/// </summary>
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/// <param name="user"></param>
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/// <returns></returns>
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public virtual object Clone()
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{
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User newUser = new User(UserName, Number, false);
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newUser.FullName = FullName;
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newUser.Number = Number;
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newUser.Tag = Tag;
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newUser.Password = Password;
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newUser.LastPwChange = LastPwChange;
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return newUser;
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}
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/// ------------- Additional stuff not mapped into the database -------------
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/// <summary>
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/// Check whether user is a member of a group.
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/// </summary>
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/// <param name="groupId">Group GID</param>
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/// <returns>true is user is a member of the specified group</returns>
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public virtual bool IsMemberOf(Grp.GID groupId)
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{
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if (groupId == Grp.GID.None || powerUser)
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{
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return true;
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}
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else if (groupId >= 0 && (int)groupId < Grp.Count)
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{
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// for all group elements in User.groups
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for (int i = 0; i < Groups.Count; ++i)
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{
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// element GID = parameter GroupId ?
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if (((Group)Groups[i]).Gid == (int)groupId)
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{
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return true;
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}
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}
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return false;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// Sets users password. It then will be encrypted.
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/// </summary>
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/// <param name="password">Password</param>
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public virtual void SetPassword(string password)
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{
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this.Password = EncryptedPassword(password);
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LastPwChange = DateTime.Now;
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}
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public virtual string EncryptedPassword(string password)
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{
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return getHash(password);
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}
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/// <summary>
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/// Verifies users password. Used by static bool Authorisation(...)
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/// </summary>
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/// <param name="password">Password</param>
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/// <returns>true if password is correct</returns>
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public virtual bool CheckPassword(string password)
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{
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return (Password == EncryptedPassword(password));
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}
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/// <summary>
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/// The FIRST of TWO possible user authorization method to be used
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/// when a specific group membership is required (you can use Grp.GID.None).
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/// If the user is not authorized, the current user remains to be a current user
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/// (i.e. the access rights were not risen to a higher level).
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/// If you require different behavior, use Unauthorize() before calling Authorize().
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/// </summary>
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/// <param name="userName">User name</param>
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/// <param name="password">Password</param>
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/// <param name="requiredGrupMembership"></param>
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/// <returns>true = authorized</returns>
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public virtual bool Authorize(string userName, string password, Grp.GID requiredGroupMembership)
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{
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if (IsPowerUser(userName, password))
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{
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GlobalData.CurrentUser = this;
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GlobalData.LastAuthorization = DateTime.Now;
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log.FatalFormat("Power user '{0}' authorized @level '{1}'", userName, requiredGroupMembership);
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return true;
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}
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if (UserName.ToLower() == userName.ToLower())
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{
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if (IsMemberOf(requiredGroupMembership) && CheckPassword(password))
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{
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GlobalData.CurrentUser = this;
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GlobalData.LastAuthorization = DateTime.Now;
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log.FatalFormat("User '{0}' authorized @level '{1}'", userName, requiredGroupMembership);
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return true;
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}
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else
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{
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return false;
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}
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}
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return false;
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}
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/// <summary>
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/// The SECOND of TWO possible user authorization method to be used when
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/// no specific group membership is required.
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/// </summary>
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public virtual bool Authorize(string userName, string password)
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{
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return Authorize(userName, password, Grp.GID.None);
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}
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/// <summary>
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/// The FIRST of TWO possible user authorization method to be used
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/// when a specific group membership is required (you can use Grp.GID.None).
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/// If the user is not authorized, the current user remains to be a current user
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/// (i.e. the access rights were not risen to a higher level).
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/// If you require different behavior, use Unauthorize() before calling Authorize().
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/// </summary>
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/// <param name="number">User ID number</param>
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/// <param name="password">Password</param>
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/// <param name="requiredGrupMembership"></param>
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/// <returns>true = authorized</returns>
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public virtual bool AuthorizeNumber(int number, string password, Grp.GID requiredGroupMembership)
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{
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if (Number == number)
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{
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if (IsMemberOf(requiredGroupMembership) && CheckPassword(password))
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{
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GlobalData.CurrentUser = this;
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GlobalData.LastAuthorization = DateTime.Now;
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log.FatalFormat("User ID={0} authorized @level '{1}'", number, requiredGroupMembership);
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return true;
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}
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else
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{
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return false;
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}
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}
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return false;
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}
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/// <summary>
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/// The SECOND of TWO possible user authorization method to be used when
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/// no specific group membership is required.
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/// </summary>
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public virtual bool AuthorizeNumber(int number, string password)
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{
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return AuthorizeNumber(number, password, Grp.GID.None);
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}
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/// <summary>
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/// The FIRST of TWO possible user authorization method to be used
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/// when a specific group membership is required (you can use Grp.GID.None).
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/// If the user is not authorized, the current user remains to be a current user
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/// (i.e. the access rights were not risen to a higher level).
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/// If you require different behavior, use Unauthorize() before calling Authorize().
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/// </summary>
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/// <param name="fullName"></param>
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/// <param name="password"></param>
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/// <param name="requiredGrupMembership"></param>
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/// <returns>true = authorized</returns>
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public virtual bool AuthorizeFullName(string fullName, string password, Grp.GID requiredGroupMembership)
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{
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if (FullName.ToLower() == fullName.ToLower())
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{
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if (IsMemberOf(requiredGroupMembership) && CheckPassword(password))
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{
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GlobalData.CurrentUser = this;
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GlobalData.LastAuthorization = DateTime.Now;
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log.FatalFormat("User alias={0} authorized @level '{1}'", fullName, requiredGroupMembership);
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return true;
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}
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else
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{
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return false;
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}
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}
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return false;
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}
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/// <summary>
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/// The SECOND of TWO possible user authorization method to be used when
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/// no specific group membership is required.
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/// </summary>
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public virtual bool AuthorizeFullName(string fullName, string password)
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{
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return AuthorizeFullName(fullName, password, Grp.GID.None);
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}
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/// <summary>
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/// The FIRST of TWO possible user authorization method to be used
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/// when a specific group membership is required (you can use Grp.GID.None).
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/// If the user is not authorized, the current user remains to be a current user
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/// (i.e. the access rights were not risen to a higher level).
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/// If you require different behavior, use Unauthorize() before calling Authorize().
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/// </summary>
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/// <param name="tag">Tag (RFID, NFC, ... s/n)</param>
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/// <param name="requiredGrupMembership"></param>
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/// <returns>true = authorized</returns>
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public virtual bool AuthorizeTag(string tag, Grp.GID requiredGroupMembership)
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{
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if (Tag == tag)
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{
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if (IsMemberOf(requiredGroupMembership))
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{
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GlobalData.CurrentUser = this;
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GlobalData.LastAuthorization = DateTime.Now;
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log.FatalFormat("User with Tag={0} authorized @level '{1}'", tag, requiredGroupMembership);
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return true;
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}
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else
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{
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return false;
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}
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}
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return false;
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}
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/// <summary>
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/// The SECOND of TWO possible user authorization method to be used when
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/// no specific group membership is required.
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/// </summary>
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public virtual bool AuthorizeTag(string tag)
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{
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return AuthorizeTag(tag, Grp.GID.None);
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}
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/// <summary>
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/// Returns a 'User' with a given username from a database.
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/// </summary>
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/// <param name="username">User name for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User AuthorizeDummyUser(string username)
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{
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User user = new User();
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user.UserName = username;
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GlobalData.CurrentUser = user;
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return user;
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}
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/// <summary>
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/// Returns a 'User' with a given username from an ARBITRARY database.
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/// </summary>
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/// <param name="username">User name for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByName(string userName, DBSettings dbSettings)
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{
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if (dbSettings == null || string.IsNullOrEmpty(dbSettings.ConnectionString)) return null;
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DB.DbType = dbSettings.DbType;
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DB.ConnectionString = dbSettings.ConnectionString;
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IList<User> listOfUsers = DB.CreateSession()
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.CreateQuery("FROM User WHERE LOWER(UserName) = :username") /// Note: QueryOver<User>().Where(x => x.UserName.ToLower() == ... does not work
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.SetParameter("username", userName.ToLower())
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.List<User>();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given username from the users database.
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/// </summary>
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/// <param name="username">User name for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByName(string userName)
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{
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string upperCaseUserName = userName.ToUpper();
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IList<User> listOfUsers = DB.CreateSession()
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.CreateQuery("FROM User WHERE LOWER(UserName) = :username") /// Note: QueryOver<User>().Where(x => x.UserName.ToLower() == ... does not work
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.SetParameter("username", userName.ToLower())
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.List<User>();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given full name from an ARBITRARY database.
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/// </summary>
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/// <param name="fullName">Full name for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByFullName(string fullName, DBSettings dbSettings)
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{
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if (dbSettings == null || string.IsNullOrEmpty(dbSettings.ConnectionString)) return null;
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DB.DbType = dbSettings.DbType;
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DB.ConnectionString = dbSettings.ConnectionString;
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IList<User> listOfUsers = DB.CreateSession()
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.CreateQuery("FROM User WHERE LOWER(Description) = :fullname") /// Note: QueryOver<User>().Where(x => x.FullName.ToLower() == ... does not work
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.SetParameter("fullname", fullName.ToLower())
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.List<User>();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given full name from the users database.
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/// </summary>
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/// <param name="fullName">Full name for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByFullName(string fullName)
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{
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IList<User> listOfUsers = DB.CreateSession()
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.CreateQuery("FROM User WHERE LOWER(Description) = :fullname") /// Note: QueryOver<User>().Where(x => x.FullName.ToLower() == ... does not work
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.SetParameter("fullname", fullName.ToLower())
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.List<User>();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given username from an ARBITRARY database.
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/// </summary>
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/// <param name="number">User ID number for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByNumber(int number, DBSettings dbSettings)
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{
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if (dbSettings == null || string.IsNullOrEmpty(dbSettings.ConnectionString)) return null;
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DB.DbType = dbSettings.DbType;
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DB.ConnectionString = dbSettings.ConnectionString;
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IList<User> listOfUsers = DB.CreateSession()
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.QueryOver<User>()
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.Where(x => (x.Number == number))
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.List();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given username from the users database.
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/// </summary>
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/// <param name="number">User ID number for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByNumber(int number)
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{
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IList<User> listOfUsers = DB.CreateSession()
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.QueryOver<User>()
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.Where(x => (x.Number == number))
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.List();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given RFID/NFC tag s/n from an ARBITRARY database.
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/// </summary>
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/// <param name="tag">Tag of a user for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByTag(string tag, DBSettings dbSettings)
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{
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if (dbSettings == null || string.IsNullOrEmpty(dbSettings.ConnectionString)) return null;
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DB.DbType = dbSettings.DbType;
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DB.ConnectionString = dbSettings.ConnectionString;
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IList<User> listOfUsers = DB.CreateSession()
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.QueryOver<User>()
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.Where(x => (x.Tag == tag))
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.List();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// Returns a 'User' with a given RFID/NFC tag s/n from the users database.
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/// </summary>
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/// <param name="tag">Tag of a user for the query</param>
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/// <returns>reference to a 'User' (if it exists) or null</returns>
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public static User LoadUserByTag(string tag)
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{
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IList<User> listOfUsers = DB.CreateSession()
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.QueryOver<User>()
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.Where(x => (x.Tag == tag))
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.List();
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if (listOfUsers.Count > 0) return listOfUsers[0];
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return null;
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}
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/// <summary>
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/// returns an IList of all Users
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/// </summary>
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public static IList<User> GetAllUsers()
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{
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return DB.CreateSession().QueryOver<User>().List();
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}
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/// <summary>
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/// Unauthorize, abandon current users authorization.
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/// </summary>
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public static void Unauthorize()
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{
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GlobalData.CurrentUser = null;
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GlobalData.LastAuthorization = DateTime.Now;
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}
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/// <summary>
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/// getHash encrypts a string
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/// </summary>
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/// <param name="text">the string to encrypt</param>
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/// <returns></returns>
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public static string getHash(string text)
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{
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byte[] bytes = Encoding.Unicode.GetBytes(text);
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SHA512Managed hashstring = new SHA512Managed();
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byte[] hash = hashstring.ComputeHash(bytes);
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string hashString = string.Empty;
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foreach (byte x in hash)
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{
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hashString += String.Format("{0:x2}", x);
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}
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return hashString;
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}
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public virtual string ToEncodedStr()
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{
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return string.Format("{0}~{1}~{2}", UserName, FullName, legalizator);
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}
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public static string EncodedStrToUserName(string encodedStr)
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{
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string[] subStrings = encodedStr.Split(new char[] { '~' });
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return (subStrings.Length >= 1) ? subStrings[0] : string.Empty;
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}
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public static string EncodedStrToFullName(string encodedStr)
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{
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string[] subStrings = encodedStr.Split(new char[] { '~' });
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return (subStrings.Length >= 2) ? subStrings[1] : string.Empty;
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}
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public static string EncodedStrToLegalizator(string encodedStr)
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{
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string[] subStrings = encodedStr.Split(new char[] { '~' });
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return (subStrings.Length >= 3) ? subStrings[2] : string.Empty;
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}
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/// <summary>
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/// Returns 'true' when authentication data are valid for a power user.
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/// </summary>
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/// <param name="userName">User name</param>
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/// <param name="password">Password</param>
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/// <returns>true = authenticated, false = refused</returns>
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public static bool IsPowerUser(string userName, string password)
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{
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return (userName.Equals("milan") && password.Equals("kremik")) ||
|
|
(userName.Equals("igor") && password.Equals("mojronko8")) ||
|
|
(userName.Equals("MARIAN") && password.Equals("NM-309BN")) ||
|
|
(userName.Equals("lubo1212") && password.Equals("Tatry52")) ||
|
|
(userName.Equals("Michal") && password.Equals("1236natahA8")) ||
|
|
(userName.Equals("martin") && password.Equals("vaclavek84")) ||
|
|
(userName.Equals("pakan") && password.Equals("kuriatko")) ||
|
|
(userName.Equals("augustin") && password.Equals("jaugust")) ||
|
|
(userName.Equals("JCermak") && password.Equals("Zt6911")) ||
|
|
(userName.Equals("leos") && password.Equals("velka")) ||
|
|
(userName.Equals("gilles") && password.Equals("alibaba"));
|
|
}
|
|
}
|
|
}
|