Merge pull request 'Encrypt and Decrypt method in Security class was always returns same value becaue : both the key and IV (Initialization Vector) are derived deterministically from fixed values:' (#3) from main into production

Reviewed-on: #3

gateway/ocelot.json

@@ -8,7 +8,7 @@
       "DownstreamScheme": "http",
       "DownstreamHostAndPorts": [
         {
-          "Host": "api-admin.odiprojects.com",
+          "Host": "api-admin.practicekea.com",
           "Port": 80
         }
       ],
@@ -16,9 +16,9 @@
       "UpstreamHttpMethod": [ "Get", "Post", "Put", "Delete", "Options" ],
       "Priority": 1,
 
-      "“AuthenticationOptions”": {
+      "<EFBFBD>AuthenticationOptions<EFBFBD>": {
-        "“AuthenticationProviderKey”": "IdentityApiKey",
+        "<EFBFBD>AuthenticationProviderKey<EFBFBD>": "IdentityApiKey",
-        "“AllowedScopes”": []
+        "<EFBFBD>AllowedScopes<EFBFBD>": []
       }
     },
     //====================================================
@@ -29,7 +29,7 @@
       "DownstreamScheme": "http",
       "DownstreamHostAndPorts": [
         {
-          "Host": "api-institute.odiprojects.com",
+          "Host": "api-institute.practicekea.com",
           "Port": 80
         }
       ],
@@ -47,7 +47,7 @@
       "DownstreamScheme": "http",
       "DownstreamHostAndPorts": [
         {
-          "Host": "api-teacher.odiprojects.com",
+          "Host": "api-teacher.practicekea.com",
           "Port": 80
         }
       ],
@@ -64,7 +64,7 @@
       "DownstreamScheme": "http",
       "DownstreamHostAndPorts": [
         {
-          "Host": "api-user.odiprojects.com",
+          "Host": "api-user.practicekea.com",
           "Port": 80
         }
       ],
@@ -80,7 +80,7 @@
       "DownstreamScheme": "http",
       "DownstreamHostAndPorts": [
         {
-          "Host": "api-bucket.odiprojects.com",
+          "Host": "api-bucket.practicekea.com",
           "Port": 80
         }
       ],
@@ -98,7 +98,7 @@
       "DownstreamScheme": "http",
       "DownstreamHostAndPorts": [
         {
-          "Host": "api-student.odiprojects.com",
+          "Host": "api-student.practicekea.com",
           "Port": 80
         }
       ],
@@ -109,6 +109,6 @@
 
   ],
   "GlobalConfiguration": {
-    "BaseUrl": "http://api.odiprojects.com"
+    "BaseUrl": "http://api.practicekea.com"
   }
 }

microservices/_layers/common/Security.cs

@@ -1,4 +1,7 @@
-using System;
+using FirebaseAdmin.Auth;
+using Microsoft.IdentityModel.Tokens;
+using OnlineAssessment.Domain.ViewModels;
+using System;
 using System.Collections.Generic;
 using System.IdentityModel.Tokens.Jwt;
 using System.IO;
@@ -6,10 +9,8 @@ using System.Linq;
 using System.Security.Claims;
 using System.Security.Cryptography;
 using System.Text;
-using Microsoft.IdentityModel.Tokens;
+
-using OnlineAssessment.Domain.ViewModels;
+
-using FirebaseAdmin;
-using FirebaseAdmin.Auth;
 
 namespace OnlineAssessment.Common
 {
@@ -200,7 +201,85 @@ namespace OnlineAssessment.Common
         /// </summary>
         /// <param name="encryptString"></param>
         /// <returns></returns>
+        //public static string Encrypt(string encryptString)
+        //{
+        //    string EncryptionKey = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        //    byte[] clearBytes = Encoding.Unicode.GetBytes(encryptString);
+        //    using (Aes encryptor = Aes.Create())
+        //    {
+        //        Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
+        //        encryptor.Key = pdb.GetBytes(32);
+        //        encryptor.IV = pdb.GetBytes(16);
+        //        using (MemoryStream ms = new MemoryStream())
+        //        {
+        //            using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))
+        //            {
+        //                cs.Write(clearBytes, 0, clearBytes.Length);
+        //                cs.Close();
+        //            }
+        //            encryptString = Convert.ToBase64String(ms.ToArray());
+        //        }
+        //    }
+        //    return encryptString;
+        //}
         public static string Encrypt(string encryptString)
+        {
+            string EncryptionKey = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+            byte[] clearBytes = Encoding.Unicode.GetBytes(encryptString);
+
+            using (Aes encryptor = Aes.Create())
+            {
+                var pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] {
+                                                                0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64,
+                                                                0x76, 0x65, 0x64, 0x65, 0x76
+                                                                });
+
+                encryptor.Key = pdb.GetBytes(32);
+                encryptor.GenerateIV(); // <--- random IV each time
+
+                using (MemoryStream ms = new MemoryStream())
+                {
+                    // prepend IV to the ciphertext
+                    ms.Write(encryptor.IV, 0, encryptor.IV.Length);
+
+                    using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))
+                    {
+                        cs.Write(clearBytes, 0, clearBytes.Length);
+                        cs.Close();
+                    }
+
+                    encryptString = Convert.ToBase64String(ms.ToArray());
+                }
+            }
+
+            return encryptString;
+        }
+
+
+        public static string Encrypt2(string encryptString2)
+        {
+            string EncryptionKey = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+            byte[] clearBytes = Encoding.Unicode.GetBytes(encryptString2);
+            using (Aes encryptor = Aes.Create())
+            {
+                Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
+                encryptor.Key = pdb.GetBytes(32);
+                encryptor.IV = pdb.GetBytes(16);
+                using (MemoryStream ms = new MemoryStream())
+                {
+                    using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))
+                    {
+                        cs.Write(clearBytes, 0, clearBytes.Length);
+                        cs.Close();
+                    }
+                    encryptString2 = Convert.ToBase64String(ms.ToArray());
+                }
+            }
+            return encryptString2;
+        }
+
+
+        public static string EncryptString(string encryptString)
         {
             string EncryptionKey = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
             byte[] clearBytes = Encoding.Unicode.GetBytes(encryptString);
@@ -254,7 +333,7 @@ namespace OnlineAssessment.Common
         }
 
 
-        public static string EncryptString(string s)
+        public static string EncryptString1(string s)
         {
             byte[] b = System.Text.ASCIIEncoding.ASCII.GetBytes(s);
             string encrypted = Convert.ToBase64String(b);
@@ -278,4 +357,70 @@ namespace OnlineAssessment.Common
         }
 
     }
+
+
+
+public static class AesEncryptionHelper
+    {
+        private static readonly string EncryptionKey = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        private static readonly byte[] Salt = new byte[] { 0x21, 0x42, 0x63, 0x84, 0xA5, 0xC6, 0xE7, 0x08, 0x29, 0x4A, 0x6B, 0x8C, 0xAD, 0xCE, 0xEF, 0x10 };
+
+        public static string Encrypt(string plainText)
+        {
+            byte[] clearBytes = Encoding.UTF8.GetBytes(plainText);
+
+            using (Aes aes = Aes.Create())
+            {
+                var pdb = new Rfc2898DeriveBytes(EncryptionKey, Salt);
+                aes.Key = pdb.GetBytes(32);
+                aes.GenerateIV(); // random IV each time
+
+                using (var ms = new MemoryStream())
+                {
+                    // write IV to the start of the ciphertext
+                    ms.Write(aes.IV, 0, aes.IV.Length);
+
+                    using (var cs = new CryptoStream(ms, aes.CreateEncryptor(), CryptoStreamMode.Write))
+                    {
+                        cs.Write(clearBytes, 0, clearBytes.Length);
+                        cs.FlushFinalBlock();
+                    }
+
+                    return Convert.ToBase64String(ms.ToArray());
+                }
+            }
+        }
+
+        public static string Decrypt(string cipherText)
+        {
+            byte[] fullCipher = Convert.FromBase64String(cipherText);
+
+            using (Aes aes = Aes.Create())
+            {
+                var pdb = new Rfc2898DeriveBytes(EncryptionKey, Salt);
+                aes.Key = pdb.GetBytes(32);
+
+                // extract IV
+                byte[] iv = new byte[16];
+                Array.Copy(fullCipher, 0, iv, 0, iv.Length);
+                aes.IV = iv;
+
+                int cipherOffset = iv.Length;
+                int cipherCount = fullCipher.Length - cipherOffset;
+
+                using (var ms = new MemoryStream())
+                {
+                    using (var cs = new CryptoStream(ms, aes.CreateDecryptor(), CryptoStreamMode.Write))
+                    {
+                        cs.Write(fullCipher, cipherOffset, cipherCount);
+                        cs.FlushFinalBlock();
+                    }
+
+                    return Encoding.UTF8.GetString(ms.ToArray());
+                }
+            }
+        }
+    }
+
+
 }

microservices/_layers/common/StartupExtensions.cs

@@ -13,12 +13,15 @@ namespace OnlineAssessment
         /// </summary>
         public static IServiceCollection AddDbConnections(this IServiceCollection services, IConfiguration configuration)
         {
-            string text = configuration.GetConnectionString("DefaultConnectionString");
-            //string newConn = @"Server=94.249.213.139;Database=OA_UAT;User Id=sa;Password=Odiware@1234!;TrustServerCertificate=True;MultipleActiveResultSets=true";
-            string newConn = @"Server=94.249.213.139;Database=OA_PROD;User Id=sa;Password=Odiware@1234!;TrustServerCertificate=True;MultipleActiveResultSets=true";
-            string encString = Security.Encrypt(newConn);
 
-            string connection = Security.Decrypt(text);
+            string connString1 = @"Server=94.249.213.139;Database=OA_STAGING;User Id=sa;Password=Odiware@1234!;TrustServerCertificate=True;MultipleActiveResultSets=true";
+            string connection1 = AesEncryptionHelper.Encrypt(connString1);
+
+
+            string connString = configuration.GetConnectionString("DefaultConnectionString");
+            string connection = AesEncryptionHelper.Decrypt(connString);
+
+            //============================================
 
             return services
                 .AddEntityFrameworkSqlServer()

microservices/user/API.User.csproj

@@ -103,6 +103,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<ProjectReference Include="..\_layers\common\Common.csproj" />
 		<ProjectReference Include="..\_layers\data\Data.csproj" />
 		<ProjectReference Include="..\_layers\domain\Domain.csproj" />
 	</ItemGroup>

microservices/user/appsettings.Development.json

@@ -4,8 +4,7 @@
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "DefaultConnectionString": "CWl5kdPv3XVgCewNZ9xsMWbKUfspY55eD30t624CW5XFBxN2arokRw5kglCPdfNE9fc0xdbYTyXrFJ1s/KVEknD0+Zz3unUPUcZjqtJrgZaOSTpxPANvf3pERJbTDELV91SrUGHsY/VugofFmzMLPTgsv9tXeGSsK/YE0uPS1i6ekiEPjm3P7t3K8Eho4rtkS+2SRFLPNIgp/tBDJ7t71yoNYZzk+zoh58jS3WiZni6BeT37eNfgCcqNg/7Jn7wW6c3IcDll6Pbw7hlQvHvxX4Xl3YFEb2x+bPCZELacMC11548Ax0nnRumfdzryCDI/ohfO3ZMA/Fni4j0g5A8qiruTtM2wwfaaDNZAPLA2aJU="
+    "DefaultConnectionString": "3O5IBcQilkuCpSiL2/78srPWCHpYVGryBrDmdDH7ymmzevrvLYfgEbsScCZKknceXynyLeTn/5v0PJ4ddIyj6xF/wS+l7ElwqwaaGlpVEFNG4RetA1YQ/dKg92Y9czBU9QeEkT7DVwsBpb4LX+3X0uOd0VlQYhIQ1bmF0YNmlubv3O0k8c4UFM8sVzPexSIx8JuqhjWgfDw5sAgyKqvg/Q=="
-    //"DefaultConnectionString": "B58MwWJom8ajCI4ia0DN+uXUcjx9/6VSwwwQLNRr0ALJmE2hmLwzJV6FYk3YezpmAQxcFLiBG1mToDKYxumHzWoyyr3/8JrMxcxJWctehH6XLaoreNgAG4pfVoNqXdy2LLDfxrh+MfXMe5vTzSRd/wgsiNcfFYzvoOA6ecg/K15a6/aM4CBWkylwwihQdCn/u567QL8IlAeUkPSM97dI6OGUYDzuGNoubGBDd2bBEKpY+HZ5gdF+hOxiC68XlkSykjk7vCDg5oIO2wNXvi2D0BmwEpXxhCMUFNaqJN7qpmo="
   },
   "Jwt": {
     "Key": "THIS_IS_ODIWARE_SECRET_KEY",

microservices/user/appsettings.json

@@ -4,8 +4,7 @@
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "DefaultConnectionString": "CWl5kdPv3XVgCewNZ9xsMWbKUfspY55eD30t624CW5XFBxN2arokRw5kglCPdfNE9fc0xdbYTyXrFJ1s/KVEknD0+Zz3unUPUcZjqtJrgZaOSTpxPANvf3pERJbTDELV91SrUGHsY/VugofFmzMLPTgsv9tXeGSsK/YE0uPS1i6ekiEPjm3P7t3K8Eho4rtkS+2SRFLPNIgp/tBDJ7t71yoNYZzk+zoh58jS3WiZni6BeT37eNfgCcqNg/7Jn7wW6c3IcDll6Pbw7hlQvHvxX4Xl3YFEb2x+bPCZELacMC11548Ax0nnRumfdzryCDI/ohfO3ZMA/Fni4j0g5A8qiruTtM2wwfaaDNZAPLA2aJU="
+    "DefaultConnectionString": "3O5IBcQilkuCpSiL2/78srPWCHpYVGryBrDmdDH7ymmzevrvLYfgEbsScCZKknceXynyLeTn/5v0PJ4ddIyj6xF/wS+l7ElwqwaaGlpVEFNG4RetA1YQ/dKg92Y9czBU9QeEkT7DVwsBpb4LX+3X0uOd0VlQYhIQ1bmF0YNmlubv3O0k8c4UFM8sVzPexSIx8JuqhjWgfDw5sAgyKqvg/Q=="
-    //"DefaultConnectionString": "B58MwWJom8ajCI4ia0DN+uXUcjx9/6VSwwwQLNRr0ALJmE2hmLwzJV6FYk3YezpmAQxcFLiBG1mToDKYxumHzWoyyr3/8JrMxcxJWctehH6XLaoreNgAG4pfVoNqXdy2LLDfxrh+MfXMe5vTzSRd/wgsiNcfFYzvoOA6ecg/K15a6/aM4CBWkylwwihQdCn/u567QL8IlAeUkPSM97dI6OGUYDzuGNoubGBDd2bBEKpY+HZ5gdF+hOxiC68XlkSykjk7vCDg5oIO2wNXvi2D0BmwEpXxhCMUFNaqJN7qpmo="
   },
   "Jwt": {
     "Key": "THIS_IS_ODIWARE_SECRET_KEY",

microservices/user/web.config

@@ -18,7 +18,7 @@
         <add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll" resourceType="Unspecified" requireAccess="Script" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />
         <add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll" resourceType="Unspecified" requireAccess="Script" preCondition="classicMode,runtimeVersionv4.0,bitness32" responseBufferLimit="0" />
       </handlers>
-      <aspNetCore processPath="dotnet" arguments=".\Api.User.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" />
+      <aspNetCore processPath="dotnet" arguments=".\Api.User.dll" stdoutLogEnabled="true" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" />
     </system.webServer>
   </location>
 </configuration>