New isConnectionEncryptionSupported method

Tests/Mock/Driver.php

@@ -49,6 +49,7 @@ public static function create(TestCase $test, $nullDate = '0000-00-00 00:00:00',
 			'getCollation',
 			'getConnectionCollation',
 			'getConnectionEncryption',
+			'isConnectionEncryptionSupported',
 			'getConnectors',
 			'getDateFormat',
 			'getInstance',

Tests/Stubs/nosqldriver.php

@@ -227,6 +227,18 @@ public function getConnectionEncryption(): string
 		return '';
 	}
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool
+	{
+		return false;
+	}
+
 	/**
 	 * Get the number of returned rows for the previous executed SQL statement.
 	 *

src/DatabaseInterface.php

@@ -149,6 +149,15 @@ public function getConnectionCollation();
 	 */
 	public function getConnectionEncryption(): string;
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool;
+
 	/**
 	 * Get the total number of SQL statements executed by the database driver.
 	 *

src/Mysql/MysqlDriver.php

@@ -361,6 +361,22 @@ public function getConnectionEncryption(): string
 		return '';
 	}
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool
+	{
+		$this->connect();
+
+		$variables = $this->setQuery('SHOW SESSION VARIABLES WHERE `Variable_name` IN (\'have_ssl\')')->loadObjectList('Variable_name');
+
+		return !empty($variables['have_ssl']->Value) && $variables['have_ssl']->Value === 'YES';
+	}
+
 	/**
 	 * Return the query string to create new Database.
 	 *

src/Mysqli/MysqliDriver.php

@@ -484,6 +484,22 @@ public function getConnectionEncryption(): string
 		return '';
 	}
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool
+	{
+		$this->connect();
+
+		$variables = $this->setQuery('SHOW SESSION VARIABLES WHERE `Variable_name` IN (\'have_ssl\')')->loadObjectList('Variable_name');
+
+		return !empty($variables['have_ssl']->Value) && $variables['have_ssl']->Value === 'YES';
+	}
+
 	/**
 	 * Return the query string to create new Database.
 	 *

src/Pgsql/PgsqlDriver.php

@@ -158,6 +158,20 @@ public function getConnectionEncryption(): string
 		return '';
 	}
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool
+	{
+		$variables = $this->setQuery('SHOW "ssl"')->loadAssoc();
+
+		return !empty($variables['ssl']) && $variables['ssl'] === 'on';
+	}
+
 	/**
 	 * Shows the table CREATE statement that creates the given tables.
 	 *

src/Sqlite/SqliteDriver.php

@@ -182,6 +182,19 @@ public function getConnectionEncryption(): string
 		return '';
 	}
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool
+	{
+		// TODO: Not fake this
+		return false;
+	}
+
 	/**
 	 * Shows the table CREATE statement that creates the given tables.
 	 *

src/Sqlsrv/SqlsrvDriver.php

@@ -368,6 +368,19 @@ public function getConnectionEncryption(): string
 		return '';
 	}
 
+	/**
+	 * Method to test if the database TLS connections encryption are supported.
+	 *
+	 * @return  boolean  Whether the databse supports TLS connections encryption.
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	public function isConnectionEncryptionSupported(): bool
+	{
+		// TODO: Not fake this
+		return false;
+	}
+
 	/**
 	 * Retrieves field information about the given tables.
 	 *