Enable column encryption setting (#908)

* Enable the Column Encryption advanced security connection setting and add supporting tests.

src/Microsoft.SqlTools.ServiceLayer/Connection/ConnectionService.cs

@@ -1142,6 +1142,20 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection
                         throw new ArgumentException(SR.ConnectionServiceConnStringInvalidAuthType(connectionDetails.AuthenticationType));
                 }
             }
+            if (!string.IsNullOrEmpty(connectionDetails.ColumnEncryptionSetting))
+            {
+                switch (connectionDetails.ColumnEncryptionSetting.ToUpper())
+                {
+                    case "ENABLED":
+                        connectionBuilder.ColumnEncryptionSetting = SqlConnectionColumnEncryptionSetting.Enabled;
+                        break;
+                    case "DISABLED":
+                        connectionBuilder.ColumnEncryptionSetting = SqlConnectionColumnEncryptionSetting.Disabled;
+                        break;
+                    default:
+                        throw new ArgumentException(SR.ConnectionServiceConnStringInvalidColumnEncryptionSetting(connectionDetails.ColumnEncryptionSetting));
+                }
+            }
             if (connectionDetails.Encrypt.HasValue)
             {
                 connectionBuilder.Encrypt = connectionDetails.Encrypt.Value;
@@ -1313,6 +1327,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection
                 ConnectTimeout = builder.ConnectTimeout,
                 CurrentLanguage = builder.CurrentLanguage,
                 DatabaseName = builder.InitialCatalog,
+                ColumnEncryptionSetting = builder.ColumnEncryptionSetting.ToString(),
                 Encrypt = builder.Encrypt,
                 FailoverPartner = builder.FailoverPartner,
                 LoadBalanceTimeout = builder.LoadBalanceTimeout,

src/Microsoft.SqlTools.ServiceLayer/Connection/Contracts/ConnectionDetails.cs

@@ -99,6 +99,22 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection.Contracts
             }
         }
 
+        /// <summary>
+        /// Gets or sets a value that specifies that Always Encrypted functionality is enabled in a connection.
+        /// </summary>
+        public string ColumnEncryptionSetting
+        {
+            get
+            {
+                return GetOptionValue<string>("columnEncryptionSetting");
+            }
+
+            set
+            {
+                SetOptionValue("columnEncryptionSetting", value);
+            }
+        }
+
         /// <summary>
         /// Gets or sets a Boolean value that indicates whether SQL Server uses SSL encryption for all data sent between the client and server if the server has a certificate installed.
         /// </summary>

src/Microsoft.SqlTools.ServiceLayer/Connection/Contracts/ConnectionDetailsExtensions.cs

@@ -22,6 +22,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection.Contracts
                 UserName = details.UserName,
                 Password = details.Password,
                 AuthenticationType = details.AuthenticationType,
+                ColumnEncryptionSetting = details.ColumnEncryptionSetting,
                 Encrypt = details.Encrypt,
                 TrustServerCertificate = details.TrustServerCertificate,
                 PersistSecurityInfo = details.PersistSecurityInfo,

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.cs

@@ -2987,6 +2987,11 @@ namespace Microsoft.SqlTools.ServiceLayer
             return Keys.GetString(Keys.ConnectionServiceConnStringInvalidAuthType, authType);
         }
 
+        public static string ConnectionServiceConnStringInvalidColumnEncryptionSetting(string columnEncryptionSetting)
+        {
+            return Keys.GetString(Keys.ConnectionServiceConnStringInvalidColumnEncryptionSetting, columnEncryptionSetting);
+        }
+
         public static string ConnectionServiceConnStringInvalidIntent(string intent)
         {
             return Keys.GetString(Keys.ConnectionServiceConnStringInvalidIntent, intent);
@@ -3160,6 +3165,9 @@ namespace Microsoft.SqlTools.ServiceLayer
             public const string ConnectionServiceConnStringInvalidAuthType = "ConnectionServiceConnStringInvalidAuthType";
 
 
+            public const string ConnectionServiceConnStringInvalidColumnEncryptionSetting = "ConnectionServiceConnStringInvalidColumnEncryptionSetting";
+
+
             public const string ConnectionServiceConnStringInvalidIntent = "ConnectionServiceConnStringInvalidIntent";
 
 

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.resx

@@ -139,7 +139,12 @@
     <value>Invalid value &apos;{0}&apos; for AuthenticationType.  Valid values are &apos;Integrated&apos; and &apos;SqlLogin&apos;.</value>
     <comment>.
  Parameters: 0 - authType (string) </comment>
-  </data>
+  </data>
+  <data name="ConnectionServiceConnStringInvalidColumnEncryptionSetting" xml:space="preserve">
+    <value>Invalid value &apos;{0}&apos; for ComlumEncryption. Valid values are &apos;Enabled&apos; and &apos;Disabled&apos;.</value>
+    <comment>.
+ Parameters: 0 - columnEncryptionSetting (string) </comment>
+  </data>
   <data name="ConnectionServiceConnStringInvalidIntent" xml:space="preserve">
     <value>Invalid value &apos;{0}&apos; for ApplicationIntent. Valid values are &apos;ReadWrite&apos; and &apos;ReadOnly&apos;.</value>
     <comment>.

src/Microsoft.SqlTools.ServiceLayer/Localization/sr.strings

@@ -33,6 +33,8 @@ ConnectionServiceDbErrorDefaultNotConnected(string uri) = Specified URI '{0}' do
 
 ConnectionServiceConnStringInvalidAuthType(string authType) = Invalid value '{0}' for AuthenticationType.  Valid values are 'Integrated' and 'SqlLogin'.
 
+ConnectionServiceConnStringInvalidColumnEncryptionSetting(string columnEncryptionSetting) = Invalid value '{0}' for ComlumEncryption. Valid values are 'Enabled' and 'Disabled'.
+
 ConnectionServiceConnStringInvalidIntent(string intent) = Invalid value '{0}' for ApplicationIntent. Valid values are 'ReadWrite' and 'ReadOnly'.
 
 ConnectionServiceConnectionCanceled = Connection canceled