98 lines
3.0 KiB
C#
98 lines
3.0 KiB
C#
using skydiveLogs_api.Domain;
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using skydiveLogs_api.DomainBusiness.Interfaces;
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using skydiveLogs_api.DomainService.Repositories;
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using System;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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namespace skydiveLogs_api.DomainBusiness
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{
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public class UserService : IUserService
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{
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#region Public Constructors
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public UserService(IUserRepository userRepository,
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IGearService gearService)
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{
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_userRepository = userRepository;
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_gearService = gearService;
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}
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#endregion Public Constructors
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#region Public Methods
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public bool AddNewUser(User newUser, bool isAdmin = false)
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{
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newUser.Password = EncryptPassword(newUser.Password);
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var foundUser = _userRepository.GetByLogin(newUser.Login, newUser.Password);
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var result = false;
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if (foundUser == null)
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{
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newUser.IsAdmin = isAdmin;
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var newUserId = _userRepository.Add(newUser);
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result = (newUserId > 0);
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if (result)
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{
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newUser.Id = newUserId;
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_gearService.AddRentalGear(newUser);
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}
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}
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return result;
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}
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public User GetById(int userId)
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{
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return _userRepository.GetById(userId);
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}
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public User GetByLogin(string login, string password)
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{
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return _userRepository.GetByLogin(login, EncryptPassword(password));
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}
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#endregion Public Methods
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#region Private Methods
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private string EncryptPassword(string password)
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{
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var encryptionKey = "skydivelogsangular"; //we can change the code converstion key as per our requirement
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byte[] clearBytes = Encoding.Unicode.GetBytes(password);
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var encryptedPassword = string.Empty;
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using (Aes encryptor = Aes.Create())
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{
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Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(encryptionKey,
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new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
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encryptor.Key = pdb.GetBytes(32);
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encryptor.IV = pdb.GetBytes(16);
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using (MemoryStream ms = new MemoryStream())
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{
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using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))
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{
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cs.Write(clearBytes, 0, clearBytes.Length);
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cs.Close();
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}
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encryptedPassword = Convert.ToBase64String(ms.ToArray());
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}
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}
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return encryptedPassword;
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}
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#endregion Private Methods
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#region Private Fields
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private readonly IGearService _gearService;
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private readonly IUserRepository _userRepository;
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#endregion Private Fields
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}
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} |