Metadata::fetchByUrl() - Code Metrics - Inspection of "Metadata enhancements and bug fixes, and various i..." - flipboxfactory/saml-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ff11b3...fd6c95 )

by Damien

created 2020-01-08 07:25 UTC

Metadata::fetchByUrl() A

↳ Parent: Metadata

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	10
rs	9.9332
c	0
b	0
f	0
cc	1
nc	1
nop	1

<?php

namespace flipbox\saml\core\services;

use craft\base\Component;
use flipbox\keychain\records\KeyChainRecord;
use flipbox\saml\core\helpers\SecurityHelper;
use flipbox\saml\core\models\SettingsInterface;
use GuzzleHttp\Client;
use Psr\Http\Message\UriInterface;
use SAML2\Certificate\Key;
use SAML2\Constants;
use SAML2\DOMDocumentFactory;
use SAML2\XML\ds\KeyInfo;
use SAML2\XML\ds\X509Certificate;
use SAML2\XML\ds\X509Data;
use SAML2\XML\md\EndpointType;
use SAML2\XML\md\IndexedEndpointType;
use SAML2\XML\md\EntityDescriptor;
use SAML2\XML\md\IDPSSODescriptor;
use SAML2\XML\md\KeyDescriptor;
use SAML2\XML\md\SPSSODescriptor;
use SAML2\XML\md\SSODescriptorType;
use yii\base\Event;
use yii\base\InvalidConfigException;

/**
 * Class AbstractMetadata
 * @package flipbox\saml\core\services\messages
 */
class Metadata extends Component
{

    const SET_SIGNING = Key::USAGE_SIGNING;
    const SET_ENCRYPTION = Key::USAGE_ENCRYPTION;
    const PROTOCOL = Constants::NS_SAMLP;

    const EVENT_AFTER_MESSAGE_CREATED = 'eventAfterMessageCreated';

    /**
     * @var array
     */
    protected $supportedBindings = [
        Constants::BINDING_HTTP_POST,
    ];

    /**
     * @return array
     */
    public function getSupportedBindings()
    {
        return $this->supportedBindings;
    }

    /**
     * @return bool
     */
    protected function supportsRedirect()
    {
        return in_array(Constants::BINDING_HTTP_REDIRECT, $this->getSupportedBindings());
    }

    /**
     * @return bool
     */
    protected function supportsPost()
    {
        return in_array(Constants::BINDING_HTTP_POST, $this->getSupportedBindings());
    }

    /**
     * @param string $url
     * @return EntityDescriptor
     * @throws \Exception
     */
    public function fetchByUrl(string $url)
    {
        $client = new Client();
        $response = $client->get($url);
        return new EntityDescriptor(
            DOMDocumentFactory::fromString(
                $response->getBody()->getContents()
            )->documentElement
        );
    }

    /**
     * @param SettingsInterface $settings
     * @param KeyChainRecord|null $withKeyPair
     * @return EntityDescriptor
     * @throws InvalidConfigException
     */
    public function create(
        SettingsInterface $settings,
        KeyChainRecord $withKeyPair = null
    ): EntityDescriptor {

        $entityDescriptor = new EntityDescriptor();

        $entityId = $settings->getEntityId();

        $entityDescriptor->setEntityID($entityId);

        foreach ($this->getSupportedBindings() as $binding) {
            $entityDescriptor->addRoleDescriptor(
                $descriptor = $this->createDescriptor($binding, $settings)
            );

            /**
             * Add security settings
             */
            if ($withKeyPair) {
                $this->setEncrypt($descriptor, $withKeyPair);
                $this->setSign($descriptor, $withKeyPair);
            }
        }

        /**
         * Kick off event here so people can manipulate this object if needed
         */
        $event = new Event();

        /**
         * response
         */
        $event->data = $entityDescriptor;
        $this->trigger(static::EVENT_AFTER_MESSAGE_CREATED, $event);

        return $entityDescriptor;
    }

    /**
     * @param string $binding
     * @return IdpSsoDescriptor|SpSsoDescriptor
     * @throws InvalidConfigException
     */
    protected function createDescriptor(string $binding, SettingsInterface $settings)
    {
        if (! in_array($binding, [
            Constants::BINDING_HTTP_POST,
            Constants::BINDING_HTTP_REDIRECT,
        ])) {
            throw new InvalidConfigException('Binding not supported: ' . $binding);
        }

        if ($settings->getMyType() === $settings::SP) {
            $descriptor = $this->createSpDescriptor($binding, $settings);
        } else {
            $descriptor = $this->createIdpDescriptor($binding, $settings);
        }

        return $descriptor;
    }

    /**
     * @param string $binding
     * @return IDPSSODescriptor
     */
    protected function createIdpDescriptor(string $binding, SettingsInterface $settings)
    {
        $descriptor = new \SAML2\XML\md\IDPSSODescriptor();
        $descriptor->setProtocolSupportEnumeration([
            static::PROTOCOL,
        ]);

        if (property_exists($settings, 'wantsAuthnRequestsSigned')) {
            $descriptor->setWantAuthnRequestsSigned(
                $settings->wantsAuthnRequestsSigned
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
            );
        }

        // SSO
        $ssoEndpoint = new EndpointType();
        $ssoEndpoint->setBinding($binding);
        $ssoEndpoint->setLocation(
            $settings->getDefaultLoginEndpoint()
        );
        $descriptor->setSingleSignOnService([
            $ssoEndpoint,
        ]);

        // SLO
        $this->addSloEndpoint(
            $descriptor,
            $settings
        );

        // todo add attributes from mapping
//        $attribute = new Attribute();
//        $attribute->setName('Username');
//        $descriptor->addAttribute(
//            $attribute
//        );

        return $descriptor;
    }

    /**
     * @param string $binding
     * @return SPSSODescriptor
     */
    protected function createSpDescriptor(string $binding, SettingsInterface $settings)
    {

        $descriptor = new SPSSODescriptor();
        $descriptor->setProtocolSupportEnumeration([
            static::PROTOCOL,
        ]);

        if (property_exists($settings, 'wantsSignedAssertions') &&
            is_bool($settings->wantsSignedAssertions)
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
        ) {
            $descriptor->setWantAssertionsSigned(
                $settings->wantsSignedAssertions
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
            );
        }


        // ACS
        $acsEndpoint = new IndexedEndpointType();
        $acsEndpoint->setIndex(1);
        $acsEndpoint->setBinding($binding);
        $acsEndpoint->setLocation(
            $settings->getDefaultLoginEndpoint()
        );

        $descriptor->setAssertionConsumerService([
            $acsEndpoint,
        ]);

        //SLO
        $this->addSloEndpoint(
            $descriptor,
            $settings
        );

        //todo add attribute consuming service
//        $attributeConsumingService = new AttributeConsumingService();
//        $attributeConsumingService->addRequestedAttribute($att = new RequestedAttribute());
//        $att->setName('username');
//        $descriptor->addAttributeConsumingService($attributeConsumingService);

        return $descriptor;
    }

    protected function addSloEndpoint(SSODescriptorType $descriptorType, SettingsInterface $settings)
    {
        $sloEndpointRedirect = new EndpointType();
        $sloEndpointRedirect->setBinding(
            Constants::BINDING_HTTP_REDIRECT
        );
        $sloEndpointRedirect->setLocation(
            $settings->getDefaultLogoutEndpoint()
        );

        $sloEndpointPost = new EndpointType();
        $sloEndpointPost->setBinding(
            Constants::BINDING_HTTP_POST
        );
        $sloEndpointPost->setLocation(
            $settings->getDefaultLogoutEndpoint()
        );

        $descriptorType->setSingleLogoutService([
            $sloEndpointRedirect,
            $sloEndpointPost,
        ]);
    }

    /**
     * @param SSODescriptorType $ssoDescriptor
     * @param KeyChainRecord $keyChainRecord
     */
    protected function setCertificate(
        SSODescriptorType $ssoDescriptor,
        KeyChainRecord $keyChainRecord,
        string $signOrEncrypt
    ) {
        /**
         * Validate use string
         */
        if (! in_array($signOrEncrypt, [
            self::SET_SIGNING,
            self::SET_ENCRYPTION,
        ])) {
            throw new \InvalidArgumentException('Sign or Encrypt argument can only be "signing" or "encrypt"');
        }

        /**
         * Create sub object
         */
        $keyDescriptor = new KeyDescriptor();
        $keyInfo = new KeyInfo();
        $x509Data = new X509Data();
        $x509Certificate = new X509Certificate();

        $keyInfo->addInfo($x509Data);

        $x509Certificate->setCertificate(
            SecurityHelper::cleanCertificate($keyChainRecord->getDecryptedCertificate())

        );

        $x509Data->addData($x509Certificate);
        $keyDescriptor->setKeyInfo($keyInfo);

        $keyDescriptor->setUse($signOrEncrypt);
        $ssoDescriptor->addKeyDescriptor($keyDescriptor);
    }

    /**
     * @param SSODescriptorType
     * @param KeyChainRecord $keyChainRecord
     */
    protected function setSign(SSODescriptorType $ssoDescriptor, KeyChainRecord $keyChainRecord)
    {
        $this->setCertificate($ssoDescriptor, $keyChainRecord, static::SET_SIGNING);
    }

    /**
     * @param SSODescriptorType
     * @param KeyChainRecord $keyChainRecord
     */
    protected function setEncrypt(SSODescriptorType $ssoDescriptor, KeyChainRecord $keyChainRecord)
    {
        $this->setCertificate($ssoDescriptor, $keyChainRecord, static::SET_ENCRYPTION);
    }
}


Push — master ( ff11b3...fd6c95 )

Metadata::fetchByUrl() A

Complexity

Size

Duplication

Importance

Available Fixes

Available Fixes

Available Fixes

1			<?php
2
3			namespace flipbox\saml\core\services;
4
5			use craft\base\Component;
6			use flipbox\keychain\records\KeyChainRecord;
7			use flipbox\saml\core\helpers\SecurityHelper;
8			use flipbox\saml\core\models\SettingsInterface;
9			use GuzzleHttp\Client;
10			use Psr\Http\Message\UriInterface;
11			use SAML2\Certificate\Key;
12			use SAML2\Constants;
13			use SAML2\DOMDocumentFactory;
14			use SAML2\XML\ds\KeyInfo;
15			use SAML2\XML\ds\X509Certificate;
16			use SAML2\XML\ds\X509Data;
17			use SAML2\XML\md\EndpointType;
18			use SAML2\XML\md\IndexedEndpointType;
19			use SAML2\XML\md\EntityDescriptor;
20			use SAML2\XML\md\IDPSSODescriptor;
21			use SAML2\XML\md\KeyDescriptor;
22			use SAML2\XML\md\SPSSODescriptor;
23			use SAML2\XML\md\SSODescriptorType;
24			use yii\base\Event;
25			use yii\base\InvalidConfigException;
26
27			/**
28			* Class AbstractMetadata
29			* @package flipbox\saml\core\services\messages
30			*/
31			class Metadata extends Component
32			{
33
34			const SET_SIGNING = Key::USAGE_SIGNING;
35			const SET_ENCRYPTION = Key::USAGE_ENCRYPTION;
36			const PROTOCOL = Constants::NS_SAMLP;
37
38			const EVENT_AFTER_MESSAGE_CREATED = 'eventAfterMessageCreated';
39
40			/**
41			* @var array
42			*/
43			protected $supportedBindings = [
44			Constants::BINDING_HTTP_POST,
45			];
46
47			/**
48			* @return array
49			*/
50			public function getSupportedBindings()
51			{
52			return $this->supportedBindings;
53			}
54
55			/**
56			* @return bool
57			*/
58			protected function supportsRedirect()
59			{
60			return in_array(Constants::BINDING_HTTP_REDIRECT, $this->getSupportedBindings());
61			}
62
63			/**
64			* @return bool
65			*/
66			protected function supportsPost()
67			{
68			return in_array(Constants::BINDING_HTTP_POST, $this->getSupportedBindings());
69			}
70
71			/**
72			* @param string $url
73			* @return EntityDescriptor
74			* @throws \Exception
75			*/
76			public function fetchByUrl(string $url)
77			{
78			$client = new Client();
79			$response = $client->get($url);
80			return new EntityDescriptor(
81			DOMDocumentFactory::fromString(
82			$response->getBody()->getContents()
83			)->documentElement
84			);
85			}
86
87			/**
88			* @param SettingsInterface $settings
89			* @param KeyChainRecord\|null $withKeyPair
90			* @return EntityDescriptor
91			* @throws InvalidConfigException
92			*/
93			public function create(
94			SettingsInterface $settings,
95			KeyChainRecord $withKeyPair = null
96			): EntityDescriptor {
97
98			$entityDescriptor = new EntityDescriptor();
99
100			$entityId = $settings->getEntityId();
101
102			$entityDescriptor->setEntityID($entityId);
103
104			foreach ($this->getSupportedBindings() as $binding) {
105			$entityDescriptor->addRoleDescriptor(
106			$descriptor = $this->createDescriptor($binding, $settings)
107			);
108
109			/**
110			* Add security settings
111			*/
112			if ($withKeyPair) {
113			$this->setEncrypt($descriptor, $withKeyPair);
114			$this->setSign($descriptor, $withKeyPair);
115			}
116			}
117
118			/**
119			* Kick off event here so people can manipulate this object if needed
120			*/
121			$event = new Event();
122
123			/**
124			* response
125			*/
126			$event->data = $entityDescriptor;
127			$this->trigger(static::EVENT_AFTER_MESSAGE_CREATED, $event);
128
129			return $entityDescriptor;
130			}
131
132			/**
133			* @param string $binding
134			* @return IdpSsoDescriptor\|SpSsoDescriptor
135			* @throws InvalidConfigException
136			*/
137			protected function createDescriptor(string $binding, SettingsInterface $settings)
138			{
139			if (! in_array($binding, [
140			Constants::BINDING_HTTP_POST,
141			Constants::BINDING_HTTP_REDIRECT,
142			])) {
143			throw new InvalidConfigException('Binding not supported: ' . $binding);
144			}
145
146			if ($settings->getMyType() === $settings::SP) {
147			$descriptor = $this->createSpDescriptor($binding, $settings);
148			} else {
149			$descriptor = $this->createIdpDescriptor($binding, $settings);
150			}
151
152			return $descriptor;
153			}
154
155			/**
156			* @param string $binding
157			* @return IDPSSODescriptor
158			*/
159			protected function createIdpDescriptor(string $binding, SettingsInterface $settings)
160			{
161			$descriptor = new \SAML2\XML\md\IDPSSODescriptor();
162			$descriptor->setProtocolSupportEnumeration([
163			static::PROTOCOL,
164			]);
165
166			if (property_exists($settings, 'wantsAuthnRequestsSigned')) {
167			$descriptor->setWantAuthnRequestsSigned(
168			$settings->wantsAuthnRequestsSigned
			0 ignored issues – show Bug introduced 2019-09-25 20:55 UTC by Report Bug Copy Issue Report Accessing `wantsAuthnRequestsSigned` on the interface `flipbox\saml\core\models\SettingsInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
169			);
170			}
171
172			// SSO
173			$ssoEndpoint = new EndpointType();
174			$ssoEndpoint->setBinding($binding);
175			$ssoEndpoint->setLocation(
176			$settings->getDefaultLoginEndpoint()
177			);
178			$descriptor->setSingleSignOnService([
179			$ssoEndpoint,
180			]);
181
182			// SLO
183			$this->addSloEndpoint(
184			$descriptor,
185			$settings
186			);
187
188			// todo add attributes from mapping
189			// $attribute = new Attribute();
190			// $attribute->setName('Username');
191			// $descriptor->addAttribute(
192			// $attribute
193			// );
194
195			return $descriptor;
196			}
197
198			/**
199			* @param string $binding
200			* @return SPSSODescriptor
201			*/
202			protected function createSpDescriptor(string $binding, SettingsInterface $settings)
203			{
204
205			$descriptor = new SPSSODescriptor();
206			$descriptor->setProtocolSupportEnumeration([
207			static::PROTOCOL,
208			]);
209
210			if (property_exists($settings, 'wantsSignedAssertions') &&
211			is_bool($settings->wantsSignedAssertions)
			0 ignored issues – show Bug introduced 2019-05-09 20:04 UTC by Report Bug Copy Issue Report Accessing `wantsSignedAssertions` on the interface `flipbox\saml\core\models\SettingsInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
212			) {
213			$descriptor->setWantAssertionsSigned(
214			$settings->wantsSignedAssertions
			0 ignored issues – show Bug introduced 2019-05-09 20:04 UTC by Report Bug Copy Issue Report Accessing `wantsSignedAssertions` on the interface `flipbox\saml\core\models\SettingsInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
215			);
216			}
217
218
219			// ACS
220			$acsEndpoint = new IndexedEndpointType();
221			$acsEndpoint->setIndex(1);
222			$acsEndpoint->setBinding($binding);
223			$acsEndpoint->setLocation(
224			$settings->getDefaultLoginEndpoint()
225			);
226
227			$descriptor->setAssertionConsumerService([
228			$acsEndpoint,
229			]);
230
231			//SLO
232			$this->addSloEndpoint(
233			$descriptor,
234			$settings
235			);
236
237			//todo add attribute consuming service
238			// $attributeConsumingService = new AttributeConsumingService();
239			// $attributeConsumingService->addRequestedAttribute($att = new RequestedAttribute());
240			// $att->setName('username');
241			// $descriptor->addAttributeConsumingService($attributeConsumingService);
242
243			return $descriptor;
244			}
245
246			protected function addSloEndpoint(SSODescriptorType $descriptorType, SettingsInterface $settings)
247			{
248			$sloEndpointRedirect = new EndpointType();
249			$sloEndpointRedirect->setBinding(
250			Constants::BINDING_HTTP_REDIRECT
251			);
252			$sloEndpointRedirect->setLocation(
253			$settings->getDefaultLogoutEndpoint()
254			);
255
256			$sloEndpointPost = new EndpointType();
257			$sloEndpointPost->setBinding(
258			Constants::BINDING_HTTP_POST
259			);
260			$sloEndpointPost->setLocation(
261			$settings->getDefaultLogoutEndpoint()
262			);
263
264			$descriptorType->setSingleLogoutService([
265			$sloEndpointRedirect,
266			$sloEndpointPost,
267			]);
268			}
269
270			/**
271			* @param SSODescriptorType $ssoDescriptor
272			* @param KeyChainRecord $keyChainRecord
273			*/
274			protected function setCertificate(
275			SSODescriptorType $ssoDescriptor,
276			KeyChainRecord $keyChainRecord,
277			string $signOrEncrypt
278			) {
279			/**
280			* Validate use string
281			*/
282			if (! in_array($signOrEncrypt, [
283			self::SET_SIGNING,
284			self::SET_ENCRYPTION,
285			])) {
286			throw new \InvalidArgumentException('Sign or Encrypt argument can only be "signing" or "encrypt"');
287			}
288
289			/**
290			* Create sub object
291			*/
292			$keyDescriptor = new KeyDescriptor();
293			$keyInfo = new KeyInfo();
294			$x509Data = new X509Data();
295			$x509Certificate = new X509Certificate();
296
297			$keyInfo->addInfo($x509Data);
298
299			$x509Certificate->setCertificate(
300			SecurityHelper::cleanCertificate($keyChainRecord->getDecryptedCertificate())
			0 ignored issues – show Bug introduced 2019-05-09 20:04 UTC by Report Bug Copy Issue Report It seems like `$keyChainRecord->getDecryptedCertificate()` targeting `flipbox\keychain\records...tDecryptedCertificate()` can also be of type `boolean`; however, `flipbox\saml\core\helper...per::cleanCertificate()` does only seem to accept `string`, maybe add an additional type check? This check looks at variables that are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history... Bug introduced 2019-05-09 20:04 UTC by Report Bug Copy Issue Report It seems like `\flipbox\saml\core\helpe...DecryptedCertificate())` targeting `flipbox\saml\core\helper...per::cleanCertificate()` can also be of type `array<integer,string>` or `null`; however, `SAML2\XML\ds\X509Certificate::setCertificate()` does only seem to accept `string`, maybe add an additional type check? This check looks at variables that are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
301			);
302
303			$x509Data->addData($x509Certificate);
304			$keyDescriptor->setKeyInfo($keyInfo);
305
306			$keyDescriptor->setUse($signOrEncrypt);
307			$ssoDescriptor->addKeyDescriptor($keyDescriptor);
308			}
309
310			/**
311			* @param SSODescriptorType
312			* @param KeyChainRecord $keyChainRecord
313			*/
314			protected function setSign(SSODescriptorType $ssoDescriptor, KeyChainRecord $keyChainRecord)
315			{
316			$this->setCertificate($ssoDescriptor, $keyChainRecord, static::SET_SIGNING);
317			}
318
319			/**
320			* @param SSODescriptorType
321			* @param KeyChainRecord $keyChainRecord
322			*/
323			protected function setEncrypt(SSODescriptorType $ssoDescriptor, KeyChainRecord $keyChainRecord)
324			{
325			$this->setCertificate($ssoDescriptor, $keyChainRecord, static::SET_ENCRYPTION);
326			}
327			}
328

flipboxfactory / saml-core

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