Revision of Apigility Composite Adapter

matthew revised this gist 1729618115. Go to revision

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Matthew Weier O'Phinney revised this gist 1429819734. Go to revision

3 files changed, 181 insertions

CompositeAdapter.php(file created)

		@@ -0,0 +1,79 @@
1	+	<?php
2	+	use Zend\Http\Request;
3	+	use Zend\Http\Response;;
4	+	use ZF\MvcAuth\Authentication\AdapterInterface;
5	+	use ZF\MvcAuth\Identity\IdentityInterface;
6	+	use ZF\MvcAuth\MvcAuthEvent;
7	+
8	+	class CompositeAdapter implements AdapterInterface
9	+	{
10	+	private $adapters = [];
11	+
12	+	private $matched;
13	+
14	+	public function attach(AdapterInterface $adapter)
15	+	{
16	+	if (in_array($adapter, $this->adapters, true)) {
17	+	return;
18	+	}
19	+
20	+	$this->adapters[] = $adapter;
21	+	}
22	+
23	+	public function provides()
24	+	{
25	+	return array_reduce($this->adapters, function ($carry, $adapter) {
26	+	$provides = array_merge($carry, $adapter->provides());
27	+	return array_unique($provides);
28	+	}, []);
29	+	}
30	+
31	+	public function matches($type)
32	+	{
33	+	$this->matched = null;
34	+
35	+	foreach ($this->adapters as $adapter) {
36	+	$match = $adapter->matches($type);
37	+	if ($match) {
38	+	$this->matched = $adapter;
39	+	return true;
40	+	}
41	+	}
42	+
43	+	return false;
44	+	}
45	+
46	+	public function getTypeFromRequest(Request $request)
47	+	{
48	+	foreach ($this->adapters as $adapter) {
49	+	$type = $adapter->getTypeFromRequest($request);
50	+	if (false !== $type) {
51	+	return $type;
52	+	}
53	+	}
54	+	return false;
55	+	}
56	+
57	+	public function preAuth(Request $request, Response $response)
58	+	{
59	+	foreach ($this->adapters as $adapter) {
60	+	$result = $adapter->preAuth($request, $response);
61	+	if ($result instanceof Response) {
62	+	return $result;
63	+	}
64	+	}
65	+	}
66	+
67	+	public function authenticate(Request $request, Response $response, MvcAuthEvent $mvcAuthEvent)
68	+	{
69	+	if (! $this->matched) {
70	+	return false;
71	+	}
72	+
73	+	// Reset $matched so that subsequent calls fail
74	+	$adapter = $this->matched;
75	+	$this->matched = null;
76	+
77	+	return $adapter->authenticate($request, $response, $mvcAuthEvent);
78	+	}
79	+	}

CompositeAdapterDelegatorFactory.php(file created)

		@@ -0,0 +1,38 @@
1	+	<?php
2	+
3	+	use Zend\ServiceManager\DelegatorFactoryInterface;
4	+	use Zend\ServiceManager\ServiceLocatorInterface;
5	+
6	+	/**
7	+	* Delegator factory for adding the CompositeAdapter.
8	+	*
9	+	* This delegator factory assumes that you've registered the CompositeAdapter
10	+	* as the service 'CompositeAdapter'.
11	+	*
12	+	* Attach it to the DefaultAuthenticationListener using:
13	+	*
14	+	* ```php
15	+	* 'service_manager' => array(
16	+	* 'delegators' => array(
17	+	* 'ZF\MvcAuth\Authentication\DefaultAuthenticationListener' => array(
18	+	* 'CompositeAdapterDelegatorFactory',
19	+	* ),
20	+	* ),
21	+	* ),
22	+	* ```
23	+	*/
24	+	class CompositeAdapterDelegatorFactory implements DelegatorFactoryInterface
25	+	{
26	+	public function createDelegatorWithName(
27	+	ServiceLocatorInterface $services,
28	+	$name,
29	+	$requestedName,
30	+	$callback
31	+	) {
32	+	$listener = $callback();
33	+
34	+	$composite = $services->get('CompositeAdapter');
35	+	$listener->attach($composite);
36	+	return $listener;
37	+	}
38	+	}

CompositeAdapterFactory.php(file created)

		@@ -0,0 +1,64 @@
1	+	<?php
2	+	use ZF\MvcAuth\Factory\AuthenticationHttpAdapterFactory;
3	+	use ZF\MvcAuth\Factory\AuthenticationOAuth2AdapterFactory;
4	+
5	+	class CompositeAdapterFactory
6	+	{
7	+	public function __invoke($services)
8	+	{
9	+	$config = $services->get('Config');
10	+	$adapters = [];
11	+
12	+	/*
13	+	* You could put the key somewhere else. The idea, though, is that each
14	+	* named adapter matches a key under zf-mvc-auth.authentication.adapters. The
15	+	* primary problem with this approach is that you'll get two instances
16	+	* for adapters you attach to the composite adapter. One alternative is
17	+	* to use the approach in ZF\MvcAuth\Factory\AuthenticationAdapterDelegatorFactory
18	+	* and define the configuration for the attached adapters within this
19	+	* array, and instantiate them here only. Of course, that means you can
20	+	* only configure those adapters manually.
21	+	*/
22	+	if (isset($config['zf-mvc-auth']['authentication']['composite'])
23	+	&& is_array($config['zf-mvc-auth']['authentication']['composite'])
24	+	) {
25	+	$adapters = $config['zf-mvc-auth']['authentication']['composite'];
26	+	}
27	+
28	+	$composite = new CompositeAdapter();
29	+
30	+	foreach ($adapters as $adapterName) {
31	+	$adapter = $this->getAdapter(
32	+	$adapterName,
33	+	$config['zf-mvc-auth']['authentication']['adapters'],
34	+	$services
35	+	);
36	+	if (! $adapter) {
37	+	continue;
38	+	}
39	+	$composite->attach($adapter);
40	+	}
41	+
42	+	return $composite;
43	+	}
44	+
45	+	private function getAdapter($adapterName, array $config, $services)
46	+	{
47	+	if (! isset $config[$adapterName]
48	+	\|\| ! isset($config[$adapterName]['adapter'])
49	+	\|\| ! is_string($config[$adapterName]['adapter'])
50	+	) {
51	+	return false;
52	+	}
53	+
54	+	$config = $config[$adapterName];
55	+	switch ($config['adapter']) {
56	+	case 'ZF\MvcAuth\Authentication\HttpAdapter':
57	+	return AuthenticationHttpAdapterFactory::factory($adapterName, $config, $services);
58	+	case 'ZF\MvcAuth\Authentication\OAuth2Adapter':
59	+	return AuthenticationOAuth2AdapterFactory::factory($adapterName, $config, $services);
60	+	default:
61	+	return false;
62	+	}
63	+	}
64	+	}

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