Session: Added DatabaseHandler, replaces Symfony PdoSessionHandler

db/migrations/2018_08_30_000000_create_log_entries_table.php

@@ -17,12 +17,14 @@ class CreateLogEntriesTable extends Migration
             $table->timestamp('created_at')->nullable();
         });
 
-        $this->schema->getConnection()->unprepared('
+        if ($this->schema->hasTable('LogEntries')) {
-            INSERT INTO log_entries (`id`, `level`, `message`, `created_at`)
+            $this->schema->getConnection()->unprepared('
-            SELECT `id`, `level`, `message`, FROM_UNIXTIME(`timestamp`) FROM LogEntries
+                INSERT INTO log_entries (`id`, `level`, `message`, `created_at`)
-        ');
+                SELECT `id`, `level`, `message`, FROM_UNIXTIME(`timestamp`) FROM LogEntries
+            ');
 
-        $this->schema->dropIfExists('LogEntries');
+            $this->schema->drop('LogEntries');
+        }
     }
 
     /**

db/migrations/2018_09_11_000000_create_sessions_table.php

@@ -13,8 +13,7 @@ class CreateSessionsTable extends Migration
         $this->schema->create('sessions', function (Blueprint $table) {
             $table->string('id')->unique();
             $table->text('payload');
-            $table->integer('last_activity');
+            $table->dateTime('last_activity')->useCurrent();
-            $table->integer('lifetime');
         });
     }
 

src/Database/Migration/Migrate.php

@@ -76,6 +76,21 @@ class Migrate
         }
     }
 
+    /**
+     * Setup migration tables
+     */
+    public function initMigration()
+    {
+        if ($this->schema->hasTable($this->table)) {
+            return;
+        }
+
+        $this->schema->create($this->table, function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('migration');
+        });
+    }
+
     /**
      * Get all migrated migrations
      *
@@ -155,21 +170,6 @@ class Migrate
         return glob($dir . '/*_*.php');
     }
 
-    /**
-     * Setup migration tables
-     */
-    protected function initMigration()
-    {
-        if ($this->schema->hasTable($this->table)) {
-            return;
-        }
-
-        $this->schema->create($this->table, function (Blueprint $table) {
-            $table->increments('id');
-            $table->string('migration');
-        });
-    }
-
     /**
      * Init a table query
      *

src/Http/SessionHandlers/AbstractHandler.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace Engelsystem\Http\SessionHandlers;
+
+use SessionHandlerInterface;
+
+abstract class AbstractHandler implements SessionHandlerInterface
+{
+    /** @var string */
+    protected $name;
+
+    /** @var string */
+    protected $sessionPath;
+
+    /**
+     * Bootstrap the session handler
+     *
+     * @param string $sessionPath
+     * @param string $name
+     * @return bool
+     */
+    public function open($sessionPath, $name): bool
+    {
+        $this->name = $name;
+        $this->sessionPath = $sessionPath;
+
+        return true;
+    }
+
+    /**
+     * Shutdown the session handler
+     *
+     * @return bool
+     */
+    public function close(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Remove old sessions
+     *
+     * @param int $maxLifetime
+     * @return bool
+     */
+    public function gc($maxLifetime): bool
+    {
+        return true;
+    }
+
+    /**
+     * Read session data
+     *
+     * @param string $id
+     * @return string
+     */
+    abstract public function read($id): string;
+
+    /**
+     * Write session data
+     *
+     * @param string $id
+     * @param string $data
+     * @return bool
+     */
+    abstract public function write($id, $data): bool;
+
+    /**
+     * Delete a session
+     *
+     * @param string $id
+     * @return bool
+     */
+    abstract public function destroy($id): bool;
+}

src/Http/SessionHandlers/DatabaseHandler.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace Engelsystem\Http\SessionHandlers;
+
+use Engelsystem\Database\Database;
+use Illuminate\Database\Query\Builder as QueryBuilder;
+
+class DatabaseHandler extends AbstractHandler
+{
+    /** @var Database */
+    protected $database;
+
+    /**
+     * @param Database $database
+     */
+    public function __construct(Database $database)
+    {
+        $this->database = $database;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($id): string
+    {
+        $session = $this->getQuery()
+            ->where('id', '=', $id)
+            ->first();
+
+        return $session ? $session->payload : '';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write($id, $data): bool
+    {
+        $values = [
+            'payload'       => $data,
+            'last_activity' => $this->getCurrentTimestamp(),
+        ];
+
+        $session = $this->getQuery()
+            ->where('id', '=', $id)
+            ->first();
+
+        if (!$session) {
+            return $this->getQuery()
+                ->insert($values + [
+                        'id' => $id,
+                    ]);
+        }
+
+        $this->getQuery()
+            ->where('id', '=', $id)
+            ->update($values);
+
+        // The update return can't be used directly because it won't change if the second call is in the same second
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function destroy($id): bool
+    {
+        $this->getQuery()
+            ->where('id', '=', $id)
+            ->delete();
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function gc($maxLifetime): bool
+    {
+        $timestamp = $this->getCurrentTimestamp(-$maxLifetime);
+
+        $this->getQuery()
+            ->where('last_activity', '<', $timestamp)
+            ->delete();
+
+        return true;
+    }
+
+    /**
+     * @return QueryBuilder
+     */
+    protected function getQuery(): QueryBuilder
+    {
+        return $this->database
+            ->getConnection()
+            ->table('sessions');
+    }
+
+    /**
+     * Format the SQL timestamp
+     *
+     * @param int $diff
+     * @return string
+     */
+    protected function getCurrentTimestamp(int $diff = 0): string
+    {
+        return date('Y-m-d H:i:s', strtotime(sprintf('%+d seconds', $diff)));
+    }
+}

src/Http/SessionServiceProvider.php

@@ -4,8 +4,8 @@ namespace Engelsystem\Http;
 
 use Engelsystem\Config\Config;
 use Engelsystem\Container\ServiceProvider;
+use Engelsystem\Http\SessionHandlers\DatabaseHandler;
 use Symfony\Component\HttpFoundation\Session\Session;
-use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler;
 use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;
 use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
 use Symfony\Component\HttpFoundation\Session\Storage\SessionStorageInterface;
@@ -45,20 +45,9 @@ class SessionServiceProvider extends ServiceProvider
         $sessionConfig = $config->get('session');
 
         $handler = null;
-        $driver = $sessionConfig['driver'];
+        switch ($sessionConfig['driver']) {
-
-        switch ($driver) {
             case 'pdo':
-                $handler = $this->app->make(PdoSessionHandler::class, [
+                $handler = $this->app->make(DatabaseHandler::class);
-                    'pdoOrDsn' => $this->app->get('db.pdo'),
-                    'options'  => [
-                        'db_table'        => 'sessions',
-                        'db_id_col'       => 'id',
-                        'db_data_col'     => 'payload',
-                        'db_lifetime_col' => 'lifetime',
-                        'db_time_col'     => 'last_activity',
-                    ],
-                ]);
                 break;
         }
 

tests/Unit/HasDatabase.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Engelsystem\Test\Unit;
+
+use Engelsystem\Application;
+use Engelsystem\Database\Database;
+use Engelsystem\Database\Migration\Migrate;
+use Engelsystem\Database\Migration\MigrationServiceProvider;
+use Illuminate\Database\Capsule\Manager as CapsuleManager;
+use PDO;
+
+trait HasDatabase
+{
+    /** @var Database */
+    protected $database;
+
+    /**
+     * Setup in memory database
+     */
+    protected function initDatabase()
+    {
+        $dbManager = new CapsuleManager();
+        $dbManager->addConnection(['driver' => 'sqlite', 'database' => ':memory:']);
+
+        $connection = $dbManager->getConnection();
+        $connection->getPdo()->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+        $this->database = new Database($connection);
+
+        $app = new Application();
+        $app->instance(Database::class, $this->database);
+        $app->register(MigrationServiceProvider::class);
+
+        /** @var Migrate $migration */
+        $migration = $app->get('db.migration');
+        $migration->initMigration();
+
+        $this->database
+            ->getConnection()
+            ->table('migrations')
+            ->insert([
+                ['migration' => '2018_01_01_000001_import_install_sql'],
+                ['migration' => '2018_01_01_000002_import_update_sql'],
+            ]);
+
+        $migration->run(__DIR__ . '/../../db/migrations');
+    }
+}

tests/Unit/Http/SessionHandlers/AbstractHandlerTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http\SessionHandlers;
+
+use Engelsystem\Test\Unit\Http\SessionHandlers\Stub\ArrayHandler;
+use PHPUnit\Framework\TestCase;
+
+class AbstractHandlerTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\AbstractHandler::open
+     */
+    public function testOpen()
+    {
+        $handler = new ArrayHandler();
+        $return = $handler->open('/foo/bar', '1337asd098hkl7654');
+
+        $this->assertTrue($return);
+        $this->assertEquals('1337asd098hkl7654', $handler->getName());
+        $this->assertEquals('/foo/bar', $handler->getSessionPath());
+    }
+
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\AbstractHandler::close
+     */
+    public function testClose()
+    {
+        $handler = new ArrayHandler();
+        $return = $handler->close();
+
+        $this->assertTrue($return);
+    }
+
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\AbstractHandler::gc
+     */
+    public function testGc()
+    {
+        $handler = new ArrayHandler();
+        $return = $handler->gc(60 * 60 * 24);
+
+        $this->assertTrue($return);
+    }
+}

tests/Unit/Http/SessionHandlers/DatabaseHandlerTest.php

@@ -0,0 +1,95 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http\SessionHandlers;
+
+use Engelsystem\Http\SessionHandlers\DatabaseHandler;
+use Engelsystem\Test\Unit\HasDatabase;
+use PHPUnit\Framework\TestCase;
+
+class DatabaseHandlerTest extends TestCase
+{
+    use HasDatabase;
+
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::__construct
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::read
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::getQuery
+     */
+    public function testRead()
+    {
+        $handler = new DatabaseHandler($this->database);
+        $this->assertEquals('', $handler->read('foo'));
+
+        $this->database->insert("INSERT INTO sessions VALUES ('foo', 'Lorem Ipsum', CURRENT_TIMESTAMP)");
+        $this->assertEquals('Lorem Ipsum', $handler->read('foo'));
+    }
+
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::write
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::getCurrentTimestamp
+     */
+    public function testWrite()
+    {
+        $handler = new DatabaseHandler($this->database);
+
+        foreach (['Lorem Ipsum', 'Dolor Sit!'] as $data) {
+            $this->assertTrue($handler->write('foo', $data));
+
+            $return = $this->database->select('SELECT * FROM sessions WHERE id = :id', ['id' => 'foo']);
+            $this->assertCount(1, $return);
+
+            $return = array_shift($return);
+            $this->assertEquals($data, $return->payload);
+        }
+    }
+
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::destroy
+     */
+    public function testDestroy()
+    {
+        $this->database->insert("INSERT INTO sessions VALUES ('foo', 'Lorem Ipsum', CURRENT_TIMESTAMP)");
+        $this->database->insert("INSERT INTO sessions VALUES ('bar', 'Dolor Sit', CURRENT_TIMESTAMP)");
+
+        $handler = new DatabaseHandler($this->database);
+        $this->assertTrue($handler->destroy('batz'));
+
+        $return = $this->database->select('SELECT * FROM sessions');
+        $this->assertCount(2, $return);
+
+        $this->assertTrue($handler->destroy('bar'));
+
+        $return = $this->database->select('SELECT * FROM sessions');
+        $this->assertCount(1, $return);
+
+        $return = array_shift($return);
+        $this->assertEquals('foo', $return->id);
+    }
+
+    /**
+     * @covers \Engelsystem\Http\SessionHandlers\DatabaseHandler::gc
+     */
+    public function testGc()
+    {
+        $this->database->insert("INSERT INTO sessions VALUES ('foo', 'Lorem Ipsum', '2000-01-01 01:00')");
+        $this->database->insert("INSERT INTO sessions VALUES ('bar', 'Dolor Sit', '3000-01-01 01:00')");
+
+        $handler = new DatabaseHandler($this->database);
+
+        $this->assertTrue($handler->gc(60 * 60));
+
+        $return = $this->database->select('SELECT * FROM sessions');
+        $this->assertCount(1, $return);
+
+        $return = array_shift($return);
+        $this->assertEquals('bar', $return->id);
+    }
+
+    /**
+     * Prepare tests
+     */
+    protected function setUp()
+    {
+        $this->initDatabase();
+    }
+}

tests/Unit/Http/SessionHandlers/Stub/ArrayHandler.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Http\SessionHandlers\Stub;
+
+use Engelsystem\Http\SessionHandlers\AbstractHandler;
+
+class ArrayHandler extends AbstractHandler
+{
+    /** @var string[] */
+    protected $content = [];
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($id): string
+    {
+        if (isset($this->content[$id])) {
+            return $this->content[$id];
+        }
+
+        return '';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write($id, $data): bool
+    {
+        $this->content[$id] = $data;
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function destroy($id): bool
+    {
+        unset($this->content[$id]);
+
+        return true;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSessionPath(): string
+    {
+        return $this->sessionPath;
+    }
+}

tests/Unit/Http/SessionServiceProviderTest.php

@@ -4,12 +4,11 @@ namespace Engelsystem\Test\Unit\Http;
 
 use Engelsystem\Config\Config;
 use Engelsystem\Http\Request;
+use Engelsystem\Http\SessionHandlers\DatabaseHandler;
 use Engelsystem\Http\SessionServiceProvider;
 use Engelsystem\Test\Unit\ServiceProviderTest;
-use PDO;
 use PHPUnit_Framework_MockObject_MockObject as MockObject;
 use Symfony\Component\HttpFoundation\Session\Session;
-use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler;
 use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;
 use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
 use Symfony\Component\HttpFoundation\Session\Storage\SessionStorageInterface as StorageInterface;
@@ -26,7 +25,7 @@ class SessionServiceProviderTest extends ServiceProviderTest
 
         $sessionStorage = $this->getMockForAbstractClass(StorageInterface::class);
         $sessionStorage2 = $this->getMockForAbstractClass(StorageInterface::class);
-        $pdoSessionHandler = $this->getMockBuilder(PdoSessionHandler::class)
+        $databaseHandler = $this->getMockBuilder(DatabaseHandler::class)
             ->disableOriginalConstructor()
             ->getMock();
 
@@ -41,10 +40,6 @@ class SessionServiceProviderTest extends ServiceProviderTest
 
         /** @var Config|MockObject $config */
         $config = $this->createMock(Config::class);
-        /** @var PDO|MockObject $pdo */
-        $pdo = $this->getMockBuilder(PDO::class)
-            ->disableOriginalConstructor()
-            ->getMock();
 
         $serviceProvider->expects($this->exactly(3))
             ->method('isCli')
@@ -60,22 +55,10 @@ class SessionServiceProviderTest extends ServiceProviderTest
                     ['options' => ['cookie_httponly' => true, 'name' => 'session'], 'handler' => null]
                 ],
                 [Session::class],
-                [
+                [DatabaseHandler::class],
-                    PdoSessionHandler::class,
-                    [
-                        'pdoOrDsn' => $pdo,
-                        'options'  => [
-                            'db_table'        => 'sessions',
-                            'db_id_col'       => 'id',
-                            'db_data_col'     => 'payload',
-                            'db_lifetime_col' => 'lifetime',
-                            'db_time_col'     => 'last_activity',
-                        ],
-                    ]
-                ],
                 [
                     NativeSessionStorage::class,
-                    ['options' => ['cookie_httponly' => true, 'name' => 'foobar'], 'handler' => $pdoSessionHandler]
+                    ['options' => ['cookie_httponly' => true, 'name' => 'foobar'], 'handler' => $databaseHandler]
                 ],
                 [Session::class]
             )
@@ -84,7 +67,7 @@ class SessionServiceProviderTest extends ServiceProviderTest
                 $session,
                 $sessionStorage2,
                 $session,
-                $pdoSessionHandler,
+                $databaseHandler,
                 $sessionStorage2,
                 $session
             );
@@ -96,14 +79,13 @@ class SessionServiceProviderTest extends ServiceProviderTest
                 ['session', $session]
             );
 
-        $app->expects($this->exactly(6))
+        $app->expects($this->exactly(5))
             ->method('get')
             ->withConsecutive(
                 ['request'],
                 ['config'],
                 ['request'],
                 ['config'],
-                ['db.pdo'],
                 ['request']
             )
             ->willReturnOnConsecutiveCalls(
@@ -111,7 +93,6 @@ class SessionServiceProviderTest extends ServiceProviderTest
                 $config,
                 $request,
                 $config,
-                $pdo,
                 $request
             );