Http\HttplugBundle\DependencyInjection\HttplugExtension

Complexity

Total Complexity

41

Size/Duplication

Total Lines	287
Duplicated Lines	12.2 %

Coupling/Cohesion

Components	1
Dependencies	7

Test Coverage

Coverage

61.9%

Importance

Changes	19
Bugs	4	Features	7

8 Methods

Rating	Name	Duplication	Size	Complexity
B	configureClient()	12	41	3
B	configureAutoDiscoveryClients()	23	37	5
A	registerAutoDiscoverableClient()	0	10	1
C	load()	0	30	7
B	configureClients()	0	25	5
A	configurePlugins()	0	18	4
D	configurePluginByName()	0	37	10
B	configureAuthentication()	0	30	6

<?php

namespace Http\HttplugBundle\DependencyInjection;

use Http\Client\Common\FlexibleHttpClient;
use Http\Client\Common\HttpMethodsClient;
use Http\Client\Common\Plugin\AuthenticationPlugin;
use Http\Discovery\HttpAsyncClientDiscovery;
use Http\Discovery\HttpClientDiscovery;
use Http\HttplugBundle\ClientFactory\DummyClient;
use Http\HttplugBundle\ClientFactory\PluginClientFactory;
use Http\Message\Authentication\BasicAuth;
use Http\Message\Authentication\Bearer;
use Http\Message\Authentication\Wsse;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

/**
 * @author David Buchmann <mail@davidbu.ch>
 * @author Tobias Nyholm <tobias.nyholm@gmail.com>
 */
class HttplugExtension extends Extension
{
    /**
     * {@inheritdoc}
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = $this->getConfiguration($configs, $container);
        $config = $this->processConfiguration($configuration, $configs);

$configuration is of type object|null, but the function expects a object<Symfony\Component\Config\Definition\ConfigurationInterface>.

        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));

        $loader->load('services.xml');
        $loader->load('plugins.xml');

        foreach ($config['classes'] as $service => $class) {
            if (!empty($class)) {
                $container->register(sprintf('httplug.%s.default', $service), $class);
            }
        }

        // Set main aliases
        foreach ($config['main_alias'] as $type => $id) {
            $container->setAlias(sprintf('httplug.%s', $type), $id);
        }

        $this->configurePlugins($container, $config['plugins']);
        $serviceIds = $this->configureClients($container, $config);
        $autoServiceIds = $this->configureAutoDiscoveryClients($container, $config);

        $toolbar = is_bool($config['toolbar']['enabled']) ? $config['toolbar']['enabled'] : $container->hasParameter('kernel.debug') && $container->getParameter('kernel.debug');
        if ($toolbar) {
            (new ProfilerExtension())->load($config, $container, array_unique(array_merge($serviceIds, $autoServiceIds)));
        }
    }

    /**
     * Configure client services.
     *
     * @param ContainerBuilder $container
     * @param array            $config
     *
     * @return array with client service names
     */
    private function configureClients(ContainerBuilder $container, array $config)
    {
        $serviceIds = [];
        $first = null;

        foreach ($config['clients'] as $name => $arguments) {
            if ($first === null) {
                // Save the name of the first configurated client.
                $first = $name;
            }

            $serviceIds[] = $this->configureClient($container, $name, $arguments);
        }

        // If we have clients configured
        if ($first !== null) {
            // If we do not have a client named 'default'
            if (!isset($config['clients']['default'])) {
                // Alias the first client to httplug.client.default
                $container->setAlias('httplug.client.default', 'httplug.client.'.$first);
            }
        }

        return $serviceIds;
    }

    /**
     * @param ContainerBuilder $container
     * @param array            $config
     */
    private function configurePlugins(ContainerBuilder $container, array $config)
    {
        if (!empty($config['authentication'])) {
            $this->configureAuthentication($container, $config['authentication']);
        }
        unset($config['authentication']);

        foreach ($config as $name => $pluginConfig) {
            $pluginId = 'httplug.plugin.'.$name;

            if ($pluginConfig['enabled']) {
                $def = $container->getDefinition($pluginId);
                $this->configurePluginByName($name, $def, $pluginConfig);
            } else {
                $container->removeDefinition($pluginId);
            }
        }
    }

    /**
     * @param string     $name
     * @param Definition $definition
     * @param array      $config
     */
    private function configurePluginByName($name, Definition $definition, array $config)
    {
        switch ($name) {
            case 'cache':
                $definition
                    ->replaceArgument(0, new Reference($config['cache_pool']))
                    ->replaceArgument(1, new Reference($config['stream_factory']))
                    ->replaceArgument(2, $config['config']);
                break;
            case 'cookie':
                $definition->replaceArgument(0, new Reference($config['cookie_jar']));
                break;
            case 'decoder':
                $definition->addArgument($config['use_content_encoding']);
                break;
            case 'history':
                $definition->replaceArgument(0, new Reference($config['journal']));
                break;
            case 'logger':
                $definition->replaceArgument(0, new Reference($config['logger']));
                if (!empty($config['formatter'])) {
                    $definition->replaceArgument(1, new Reference($config['formatter']));
                }
                break;
            case 'redirect':
                $definition
                    ->addArgument($config['preserve_header'])
                    ->addArgument($config['use_default_for_multiple']);
                break;
            case 'retry':
                $definition->addArgument($config['retry']);
                break;
            case 'stopwatch':
                $definition->replaceArgument(0, new Reference($config['stopwatch']));
                break;
        }
    }

    /**
     * @param ContainerBuilder $container
     * @param array            $config
     */
    private function configureAuthentication(ContainerBuilder $container, array $config)
    {
        foreach ($config as $name => $values) {
            $authServiceKey = sprintf('httplug.plugin.authentication.%s.auth', $name);
            switch ($values['type']) {
                case 'bearer':
                    $container->register($authServiceKey, Bearer::class)
                        ->addArgument($values['token']);
                    break;
                case 'basic':
                    $container->register($authServiceKey, BasicAuth::class)
                        ->addArgument($values['username'])
                        ->addArgument($values['password']);
                    break;
                case 'wsse':
                    $container->register($authServiceKey, Wsse::class)
                        ->addArgument($values['username'])
                        ->addArgument($values['password']);
                    break;
                case 'service':
                    $authServiceKey = $values['service'];
                    break;
                default:
                    throw new \LogicException(sprintf('Unknown authentication type: "%s"', $values['type']));
            }

            $container->register('httplug.plugin.authentication.'.$name, AuthenticationPlugin::class)
                ->addArgument(new Reference($authServiceKey));
        }
    }

    /**
     * @param ContainerBuilder $container
     * @param string           $name
     * @param array            $arguments
     *
     * @return string The service id of the client.
     */
    private function configureClient(ContainerBuilder $container, $name, array $arguments)
    {
        $serviceId = 'httplug.client.'.$name;
        $definition = $container->register($serviceId, DummyClient::class);
        $definition->setFactory([PluginClientFactory::class, 'createPluginClient'])
            ->addArgument(
                array_map(
                    function ($id) {
                        return new Reference($id);
                    },
                    $arguments['plugins']
                )
            )
            ->addArgument(new Reference($arguments['factory']))
            ->addArgument($arguments['config'])
            ->addArgument([])
        ;

        // Tell the plugin journal what plugins we used
        $container->getDefinition('httplug.collector.plugin_journal')
            ->addMethodCall('setPlugins', [$name, $arguments['plugins']]);

        /*
         * Decorate the client with clients from client-common
         */
        if ($arguments['flexible_client']) {

This code seems to be duplicated across your project.

            $container->register($serviceId.'.flexible', FlexibleHttpClient::class)
                ->addArgument(new Reference($serviceId.'.flexible.inner'))
                ->setPublic(false)
                ->setDecoratedService($serviceId);
        }

        if ($arguments['http_methods_client']) {

This code seems to be duplicated across your project.

            $container->register($serviceId.'.http_methods', HttpMethodsClient::class)
                ->setArguments([new Reference($serviceId.'.http_methods.inner'), new Reference('httplug.message_factory')])
                ->setPublic(false)
                ->setDecoratedService($serviceId);
        }

        return $serviceId;
    }

    /**
     * Make the user can select what client is used for auto discovery. If none is provided, a service will be created
     * by finding a client using auto discovery.
     *
     * @param ContainerBuilder $container
     * @param array            $config
     *
     * @return array of service ids.
     * */
    private function configureAutoDiscoveryClients(ContainerBuilder $container, array $config)
    {
        $serviceIds = [];

        $httpClient = $config['discovery']['client'];
        if (!empty($httpClient)) {

This code seems to be duplicated across your project.

            if ($httpClient === 'auto') {
                $httpClient = $this->registerAutoDiscoverableClient(
                    $container,
                    'auto_discovered_client',
                    [HttpClientDiscovery::class, 'find']
                );
            }

            $serviceIds[] = $httpClient;
            $httpClient = new Reference($httpClient);
        }

        $asyncHttpClient = $config['discovery']['async_client'];
        if (!empty($asyncHttpClient)) {

This code seems to be duplicated across your project.

            if ($asyncHttpClient === 'auto') {
                $asyncHttpClient = $this->registerAutoDiscoverableClient(
                    $container,
                    'auto_discovered_async',
                    [HttpAsyncClientDiscovery::class, 'find']
                );
            }
            $serviceIds[] = $asyncHttpClient;
            $asyncHttpClient = new Reference($httpClient);
        }

        $container->getDefinition('httplug.strategy')
            ->addArgument($httpClient)
            ->addArgument($asyncHttpClient);

        return $serviceIds;
    }

    /**
     * Find a client with auto discovery and return a service Reference to it.
     *
     * @param ContainerBuilder $container
     * @param string           $name
     * @param callable         $factory
     *
     * @return string service id
     */
    private function registerAutoDiscoverableClient(ContainerBuilder $container, $name, $factory)
    {
        $serviceId = 'httplug.auto_discovery.'.$name;
        $definition = $container->register($serviceId, DummyClient::class);
        $definition
            ->setFactory([PluginClientFactory::class, 'createPluginClient'])
            ->setArguments([[], $factory, [], []]);

        return $serviceId;
    }
}