Introduce DB connection config

Author: cicnavi

config/module_oidc.php.dist

@@ -20,6 +20,25 @@ use SimpleSAML\Module\oidc\ModuleConfig;
  * However, all the key values have been preserved from previous module versions.
  */
 $config = [
+    /**
+     * Database connection parameters, Doctrine DBAL compatible (more info on
+     * https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html).
+     * There are additional parameters for: table prefix.
+     */
+    ModuleConfig::OPTION_DB_CONNECTION_PARAMETERS => [
+        'driver' => 'pdo_mysql', // (string): The built-in driver implementation to use.
+        'user' => 'user', // (string): Username to use when connecting to the database.
+        'password' => 'password', // (string): Password to use when connecting to the database.
+        'host' => 'host', // (string): Hostname of the database to connect to.
+        'port' => 3306, // (integer): Port of the database to connect to.
+        'dbname' => 'dbname', // (string): Name of the database/schema to connect to.
+        //'unix_socket' => 'unix_socet', // (string): Name of the socket used to connect to the database.
+        'charset' => 'utf8', // (string): The charset used when connecting to the database.
+        //'url' => 'mysql://user:secret@localhost/mydb?charset=utf8', // ...alternative way of providing parameters.
+        // Additional parameters not originally available in Doctrine DBAL
+        'table_prefix' => '', // (string): Prefix for each table.
+    ],
+
     /**
      * (optional) Issuer (OP) identifier which will be used as an issuer (iss) claim in tokens. If not set, it will
      * fall back to current HTTP scheme, host and port number if no standard port is used.

src/ModuleConfig.php

@@ -98,6 +98,7 @@ class ModuleConfig
     final public const OPTION_PKI_FEDERATION_NEW_PRIVATE_KEY_PASSPHRASE = 'federation_new_private_key_passphrase';
     final public const OPTION_PKI_FEDERATION_NEW_PRIVATE_KEY_FILENAME = 'federation_new_private_key_filename';
     final public const OPTION_PKI_FEDERATION_NEW_CERTIFICATE_FILENAME = 'federation_new_certificate_filename';
+    final public const OPTION_DB_CONNECTION_PARAMETERS = 'db_connection_parameters';
 
     protected static array $standardScopes = [
         ScopesEnum::OpenId->value => [
@@ -241,6 +242,11 @@ public function config(): Configuration
         return $this->moduleConfig;
     }
 
+    public function getDbConnectionParameters(): array
+    {
+        return $this->config()->getArray(self::OPTION_DB_CONNECTION_PARAMETERS);
+    }
+
     // TODO mivanci v7 Move to dedicated \SimpleSAML\Module\oidc\Utils\Routes::getModuleUrl
     public function getModuleUrl(?string $path = null): string
     {