v.0.1

vendor/illuminate/database/Connectors/SqlServerConnector.php

@@ -0,0 +1,205 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use Illuminate\Support\Arr;
+use PDO;
+
+class SqlServerConnector extends Connector implements ConnectorInterface
+{
+    /**
+     * The PDO connection options.
+     *
+     * @var array
+     */
+    protected $options = [
+        PDO::ATTR_CASE => PDO::CASE_NATURAL,
+        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
+        PDO::ATTR_STRINGIFY_FETCHES => false,
+    ];
+
+    /**
+     * Establish a database connection.
+     *
+     * @param  array  $config
+     * @return \PDO
+     */
+    public function connect(array $config)
+    {
+        $options = $this->getOptions($config);
+
+        return $this->createConnection($this->getDsn($config), $config, $options);
+    }
+
+    /**
+     * Create a DSN string from a configuration.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getDsn(array $config)
+    {
+        // First we will create the basic DSN setup as well as the port if it is in
+        // in the configuration options. This will give us the basic DSN we will
+        // need to establish the PDO connections and return them back for use.
+        if ($this->prefersOdbc($config)) {
+            return $this->getOdbcDsn($config);
+        }
+
+        if (in_array('sqlsrv', $this->getAvailableDrivers())) {
+            return $this->getSqlSrvDsn($config);
+        } else {
+            return $this->getDblibDsn($config);
+        }
+    }
+
+    /**
+     * Determine if the database configuration prefers ODBC.
+     *
+     * @param  array  $config
+     * @return bool
+     */
+    protected function prefersOdbc(array $config)
+    {
+        return in_array('odbc', $this->getAvailableDrivers()) &&
+               ($config['odbc'] ?? null) === true;
+    }
+
+    /**
+     * Get the DSN string for a DbLib connection.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getDblibDsn(array $config)
+    {
+        return $this->buildConnectString('dblib', array_merge([
+            'host' => $this->buildHostString($config, ':'),
+            'dbname' => $config['database'],
+        ], Arr::only($config, ['appname', 'charset', 'version'])));
+    }
+
+    /**
+     * Get the DSN string for an ODBC connection.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getOdbcDsn(array $config)
+    {
+        return isset($config['odbc_datasource_name'])
+                    ? 'odbc:'.$config['odbc_datasource_name'] : '';
+    }
+
+    /**
+     * Get the DSN string for a SqlSrv connection.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getSqlSrvDsn(array $config)
+    {
+        $arguments = [
+            'Server' => $this->buildHostString($config, ','),
+        ];
+
+        if (isset($config['database'])) {
+            $arguments['Database'] = $config['database'];
+        }
+
+        if (isset($config['readonly'])) {
+            $arguments['ApplicationIntent'] = 'ReadOnly';
+        }
+
+        if (isset($config['pooling']) && $config['pooling'] === false) {
+            $arguments['ConnectionPooling'] = '0';
+        }
+
+        if (isset($config['appname'])) {
+            $arguments['APP'] = $config['appname'];
+        }
+
+        if (isset($config['encrypt'])) {
+            $arguments['Encrypt'] = $config['encrypt'];
+        }
+
+        if (isset($config['trust_server_certificate'])) {
+            $arguments['TrustServerCertificate'] = $config['trust_server_certificate'];
+        }
+
+        if (isset($config['multiple_active_result_sets']) && $config['multiple_active_result_sets'] === false) {
+            $arguments['MultipleActiveResultSets'] = 'false';
+        }
+
+        if (isset($config['transaction_isolation'])) {
+            $arguments['TransactionIsolation'] = $config['transaction_isolation'];
+        }
+
+        if (isset($config['multi_subnet_failover'])) {
+            $arguments['MultiSubnetFailover'] = $config['multi_subnet_failover'];
+        }
+
+        if (isset($config['column_encryption'])) {
+            $arguments['ColumnEncryption'] = $config['column_encryption'];
+        }
+
+        if (isset($config['key_store_authentication'])) {
+            $arguments['KeyStoreAuthentication'] = $config['key_store_authentication'];
+        }
+
+        if (isset($config['key_store_principal_id'])) {
+            $arguments['KeyStorePrincipalId'] = $config['key_store_principal_id'];
+        }
+
+        if (isset($config['key_store_secret'])) {
+            $arguments['KeyStoreSecret'] = $config['key_store_secret'];
+        }
+
+        if (isset($config['login_timeout'])) {
+            $arguments['LoginTimeout'] = $config['login_timeout'];
+        }
+
+        return $this->buildConnectString('sqlsrv', $arguments);
+    }
+
+    /**
+     * Build a connection string from the given arguments.
+     *
+     * @param  string  $driver
+     * @param  array  $arguments
+     * @return string
+     */
+    protected function buildConnectString($driver, array $arguments)
+    {
+        return $driver.':'.implode(';', array_map(function ($key) use ($arguments) {
+            return sprintf('%s=%s', $key, $arguments[$key]);
+        }, array_keys($arguments)));
+    }
+
+    /**
+     * Build a host string from the given configuration.
+     *
+     * @param  array  $config
+     * @param  string  $separator
+     * @return string
+     */
+    protected function buildHostString(array $config, $separator)
+    {
+        if (empty($config['port'])) {
+            return $config['host'];
+        }
+
+        return $config['host'].$separator.$config['port'];
+    }
+
+    /**
+     * Get the available PDO drivers.
+     *
+     * @return array
+     */
+    protected function getAvailableDrivers()
+    {
+        return PDO::getAvailableDrivers();
+    }
+}