From 0f897589ed6349bb3c88919b06861daa80aec1be Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Tue, 21 May 2019 19:28:34 +0200
Subject: Streamline authentication proccess

---
 .../Library/DefaultPasswordResetProvider.cs        | 257 ++++++++++-----------
 1 file changed, 125 insertions(+), 132 deletions(-)

(limited to 'Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs')

diff --git a/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs b/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs
index e218749d9..c7044820c 100644
--- a/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs
+++ b/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs
@@ -1,132 +1,125 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using MediaBrowser.Common.Extensions;
-using MediaBrowser.Controller.Authentication;
-using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Library;
-using MediaBrowser.Model.Cryptography;
-using MediaBrowser.Model.Serialization;
-using MediaBrowser.Model.Users;
-
-namespace Emby.Server.Implementations.Library
-{
-    public class DefaultPasswordResetProvider : IPasswordResetProvider
-    {
-        public string Name => "Default Password Reset Provider";
-
-        public bool IsEnabled => true;
-
-        private readonly string _passwordResetFileBase;
-        private readonly string _passwordResetFileBaseDir;
-        private readonly string _passwordResetFileBaseName = "passwordreset";
-
-        private readonly IJsonSerializer _jsonSerializer;
-        private readonly IUserManager _userManager;
-        private readonly ICryptoProvider _crypto;
-
-        public DefaultPasswordResetProvider(IServerConfigurationManager configurationManager, IJsonSerializer jsonSerializer, IUserManager userManager, ICryptoProvider cryptoProvider)
-        {
-            _passwordResetFileBaseDir = configurationManager.ApplicationPaths.ProgramDataPath;
-            _passwordResetFileBase = Path.Combine(_passwordResetFileBaseDir, _passwordResetFileBaseName);
-            _jsonSerializer = jsonSerializer;
-            _userManager = userManager;
-            _crypto = cryptoProvider;
-        }
-
-        public async Task<PinRedeemResult> RedeemPasswordResetPin(string pin)
-        {
-            SerializablePasswordReset spr;
-            HashSet<string> usersreset = new HashSet<string>();
-            foreach (var resetfile in Directory.EnumerateFiles(_passwordResetFileBaseDir, $"{_passwordResetFileBaseName}*"))
-            {
-                using (var str = File.OpenRead(resetfile))
-                {
-                    spr = await _jsonSerializer.DeserializeFromStreamAsync<SerializablePasswordReset>(str).ConfigureAwait(false);
-                }
-
-                if (spr.ExpirationDate < DateTime.Now)
-                {
-                    File.Delete(resetfile);
-                }
-                else if (spr.Pin.Replace("-", "").Equals(pin.Replace("-", ""), StringComparison.InvariantCultureIgnoreCase))
-                {
-                    var resetUser = _userManager.GetUserByName(spr.UserName);
-                    if (resetUser == null)
-                    {
-                        throw new Exception($"User with a username of {spr.UserName} not found");
-                    }
-
-                    await _userManager.ChangePassword(resetUser, pin).ConfigureAwait(false);
-                    usersreset.Add(resetUser.Name);
-                    File.Delete(resetfile);
-                }
-            }
-
-            if (usersreset.Count < 1)
-            {
-                throw new ResourceNotFoundException($"No Users found with a password reset request matching pin {pin}");
-            }
-            else
-            {
-                return new PinRedeemResult
-                {
-                    Success = true,
-                    UsersReset = usersreset.ToArray()
-                };
-            }
-        }
-
-        public async Task<ForgotPasswordResult> StartForgotPasswordProcess(MediaBrowser.Controller.Entities.User user, bool isInNetwork)
-        {
-            string pin = string.Empty;
-            using (var cryptoRandom = System.Security.Cryptography.RandomNumberGenerator.Create())
-            {
-                byte[] bytes = new byte[4];
-                cryptoRandom.GetBytes(bytes);
-                pin = BitConverter.ToString(bytes);
-            }
-
-            DateTime expireTime = DateTime.Now.AddMinutes(30);
-            string filePath = _passwordResetFileBase + user.InternalId + ".json";
-            SerializablePasswordReset spr = new SerializablePasswordReset
-            {
-                ExpirationDate = expireTime,
-                Pin = pin,
-                PinFile = filePath,
-                UserName = user.Name
-            };
-
-            try
-            {
-                using (FileStream fileStream = File.OpenWrite(filePath))
-                {
-                    _jsonSerializer.SerializeToStream(spr, fileStream);
-                    await fileStream.FlushAsync().ConfigureAwait(false);
-                }
-            }
-            catch (Exception e)
-            {
-                throw new Exception($"Error serializing or writing password reset for {user.Name} to location: {filePath}", e);
-            }
-
-            return new ForgotPasswordResult
-            {
-                Action = ForgotPasswordAction.PinCode,
-                PinExpirationDate = expireTime,
-                PinFile = filePath
-            };
-        }
-
-        private class SerializablePasswordReset : PasswordPinCreationResult
-        {
-            public string Pin { get; set; }
-
-            public string UserName { get; set; }
-        }
-    }
-}
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Authentication;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Cryptography;
+using MediaBrowser.Model.Serialization;
+using MediaBrowser.Model.Users;
+
+namespace Emby.Server.Implementations.Library
+{
+    public class DefaultPasswordResetProvider : IPasswordResetProvider
+    {
+        public string Name => "Default Password Reset Provider";
+
+        public bool IsEnabled => true;
+
+        private readonly string _passwordResetFileBase;
+        private readonly string _passwordResetFileBaseDir;
+        private readonly string _passwordResetFileBaseName = "passwordreset";
+
+        private readonly IJsonSerializer _jsonSerializer;
+        private readonly IUserManager _userManager;
+        private readonly ICryptoProvider _crypto;
+
+        public DefaultPasswordResetProvider(IServerConfigurationManager configurationManager, IJsonSerializer jsonSerializer, IUserManager userManager, ICryptoProvider cryptoProvider)
+        {
+            _passwordResetFileBaseDir = configurationManager.ApplicationPaths.ProgramDataPath;
+            _passwordResetFileBase = Path.Combine(_passwordResetFileBaseDir, _passwordResetFileBaseName);
+            _jsonSerializer = jsonSerializer;
+            _userManager = userManager;
+            _crypto = cryptoProvider;
+        }
+
+        public async Task<PinRedeemResult> RedeemPasswordResetPin(string pin)
+        {
+            SerializablePasswordReset spr;
+            HashSet<string> usersreset = new HashSet<string>();
+            foreach (var resetfile in Directory.EnumerateFiles(_passwordResetFileBaseDir, $"{_passwordResetFileBaseName}*"))
+            {
+                using (var str = File.OpenRead(resetfile))
+                {
+                    spr = await _jsonSerializer.DeserializeFromStreamAsync<SerializablePasswordReset>(str).ConfigureAwait(false);
+                }
+
+                if (spr.ExpirationDate < DateTime.Now)
+                {
+                    File.Delete(resetfile);
+                }
+                else if (spr.Pin.Replace("-", "").Equals(pin.Replace("-", ""), StringComparison.InvariantCultureIgnoreCase))
+                {
+                    var resetUser = _userManager.GetUserByName(spr.UserName);
+                    if (resetUser == null)
+                    {
+                        throw new Exception($"User with a username of {spr.UserName} not found");
+                    }
+
+                    await _userManager.ChangePassword(resetUser, pin).ConfigureAwait(false);
+                    usersreset.Add(resetUser.Name);
+                    File.Delete(resetfile);
+                }
+            }
+
+            if (usersreset.Count < 1)
+            {
+                throw new ResourceNotFoundException($"No Users found with a password reset request matching pin {pin}");
+            }
+            else
+            {
+                return new PinRedeemResult
+                {
+                    Success = true,
+                    UsersReset = usersreset.ToArray()
+                };
+            }
+        }
+
+        public async Task<ForgotPasswordResult> StartForgotPasswordProcess(MediaBrowser.Controller.Entities.User user, bool isInNetwork)
+        {
+            string pin = string.Empty;
+            using (var cryptoRandom = System.Security.Cryptography.RandomNumberGenerator.Create())
+            {
+                byte[] bytes = new byte[4];
+                cryptoRandom.GetBytes(bytes);
+                pin = BitConverter.ToString(bytes);
+            }
+
+            DateTime expireTime = DateTime.Now.AddMinutes(30);
+            string filePath = _passwordResetFileBase + user.InternalId + ".json";
+            SerializablePasswordReset spr = new SerializablePasswordReset
+            {
+                ExpirationDate = expireTime,
+                Pin = pin,
+                PinFile = filePath,
+                UserName = user.Name
+            };
+
+            using (FileStream fileStream = File.OpenWrite(filePath))
+            {
+                _jsonSerializer.SerializeToStream(spr, fileStream);
+                await fileStream.FlushAsync().ConfigureAwait(false);
+            }
+
+            return new ForgotPasswordResult
+            {
+                Action = ForgotPasswordAction.PinCode,
+                PinExpirationDate = expireTime,
+                PinFile = filePath
+            };
+        }
+
+        private class SerializablePasswordReset : PasswordPinCreationResult
+        {
+            public string Pin { get; set; }
+
+            public string UserName { get; set; }
+        }
+    }
+}
-- 
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