Add a Monolog activation strategy for ignoring specific HTTP codes

src/Symfony/Bridge/Monolog/Handler/FingersCrossed/HttpCodeActivationStrategy.php

@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Monolog\Handler\FingersCrossed;
+
+use Monolog\Handler\FingersCrossed\ErrorLevelActivationStrategy;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+/**
+ * Activation strategy that ignores certain HTTP codes.
+ *
+ * @author Shaun Simmons <shaun@envysphere.com>
+ */
+class HttpCodeActivationStrategy extends ErrorLevelActivationStrategy
+{
+    private $exclusions;
+    private $requestStack;
+
+    public function __construct(RequestStack $requestStack, array $exclusions, $actionLevel)
+    {
+        parent::__construct($actionLevel);
+
+        $this->requestStack = $requestStack;
+        $this->exclusions = $exclusions;
+    }
+
+    public function isHandlerActivated(array $record)
+    {
+        $isActivated = parent::isHandlerActivated($record);
+
+        if (
+            $isActivated
+            && isset($record['context']['exception'])
+            && $record['context']['exception'] instanceof HttpException
+            && ($request = $this->requestStack->getMasterRequest())
+        ) {
+            foreach ($this->exclusions as $exclusion) {
+                if ($record['context']['exception']->getStatusCode() !== $exclusion['code']) {
+                    continue;
+                }
+
+                $urlBlacklist = null;
+                if (count($exclusion['url'])) {
+                    return !preg_match('{('.implode('|', $exclusion['url']).')}i', $request->getPathInfo());
+                }
+
+                return false;
+            }
+        }
+
+        return $isActivated;
+    }
+}

src/Symfony/Bridge/Monolog/Tests/Handler/FingersCrossed/HttpCodeActivationStrategyTest.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Monolog\Tests\Handler\FingersCrossed;
+
+use Monolog\Logger;
+use PHPUnit\Framework\TestCase;
+use Symfony\Bridge\Monolog\Handler\FingersCrossed\HttpCodeActivationStrategy;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+
+class HttpCodeActivationStrategyTest extends TestCase
+{
+    /**
+     * @dataProvider isActivatedProvider
+     */
+    public function testIsActivated($url, $record, $expected)
+    {
+        $requestStack = new RequestStack();
+        $requestStack->push(Request::create($url));
+
+        $strategy = new HttpCodeActivationStrategy(
+            $requestStack,
+            array(
+                array('code' => 403, 'url' => array()),
+                array('code' => 404, 'url' => array()),
+                array('code' => 405, 'url' => array()),
+                array('code' => 400, 'url' => array('^/400/a', '^/400/b')),
+            ),
+            Logger::WARNING
+        );
+
+        $this->assertEquals($expected, $strategy->isHandlerActivated($record));
+    }
+
+    public function isActivatedProvider()
+    {
+        return array(
+            array('/test',  array('level' => Logger::ERROR), true),
+            array('/400',   array('level' => Logger::ERROR, 'context' => $this->getContextException(400)), true),
+            array('/400/a', array('level' => Logger::ERROR, 'context' => $this->getContextException(400)), false),
+            array('/400/b', array('level' => Logger::ERROR, 'context' => $this->getContextException(400)), false),
+            array('/400/c', array('level' => Logger::ERROR, 'context' => $this->getContextException(400)), true),
+            array('/401',   array('level' => Logger::ERROR, 'context' => $this->getContextException(401)), true),
+            array('/403',   array('level' => Logger::ERROR, 'context' => $this->getContextException(403)), false),
+            array('/404',   array('level' => Logger::ERROR, 'context' => $this->getContextException(404)), false),
+            array('/405',   array('level' => Logger::ERROR, 'context' => $this->getContextException(405)), false),
+            array('/500',   array('level' => Logger::ERROR, 'context' => $this->getContextException(500)), true),
+        );
+    }
+
+    protected function getContextException($code)
+    {
+        return array('exception' => new HttpException($code));
+    }
+}