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<?php |
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namespace OpenConext\Value\Saml\Metadata\Common; |
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use OpenConext\Value\Assert\Assertion; |
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use OpenConext\Value\Serializable; |
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final class Binding implements Serializable |
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{ |
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/** |
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* URNs for the various bindings |
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*/ |
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const HTTP_POST = 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST'; |
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const HTTP_REDIRECT = 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect'; |
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const HTTP_ARTIFACT = 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact'; |
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const SOAP = 'urn:oasis:names:tc:SAML:2.0:bindings:SOAP'; |
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const HOK_SSO = 'urn:oasis:names:tc:SAML:2.0:profiles:holder-of-key:SSO:browser'; |
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private static $validBindings = array( |
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self::HTTP_POST, |
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self::HTTP_REDIRECT, |
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self::HTTP_ARTIFACT, |
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self::SOAP, |
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self::HOK_SSO |
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); |
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/** |
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* @var string |
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*/ |
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private $binding; |
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public function __construct($binding) |
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{ |
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$message = 'Binding must be one of Binding::HTTP_POST, Binding::HTTP_REDIRECT, Binding::HTTP_ARTIFACT ' |
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. 'Binding::SOAP or Binding::HOK_SSO'; |
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Assertion::inArray($binding, self::$validBindings, $message); |
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$this->binding = $binding; |
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} |
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/** |
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* @return Binding |
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*/ |
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public static function httpPost() |
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{ |
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return new self(self::HTTP_POST); |
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} |
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/** |
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* @return Binding |
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*/ |
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public static function httpRedirect() |
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{ |
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return new self(self::HTTP_REDIRECT); |
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} |
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/** |
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* @return Binding |
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*/ |
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public static function httpArtifact() |
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{ |
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return new self(self::HTTP_ARTIFACT); |
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} |
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/** |
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* @return Binding |
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*/ |
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public static function soap() |
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{ |
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return new self(self::SOAP); |
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} |
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/** |
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* @return Binding |
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*/ |
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public static function holderOfKey() |
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{ |
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return new self(self::HOK_SSO); |
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} |
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/** |
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* @param $binding |
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* @return bool |
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*/ |
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public static function isValidBinding($binding) |
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{ |
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return in_array($binding, self::$validBindings); |
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} |
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/** |
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* @param string $binding |
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* @return bool |
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*/ |
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public function isOfType($binding) |
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{ |
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$message = 'BindingType must be one of Binding::HTTP_POST, Binding::HTTP_REDIRECT, Binding::HTTP_ARTIFACT ' |
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. 'Binding::SOAP or Binding::HOK_SSO'; |
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Assertion::inArray($binding, self::$validBindings, $message); |
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return $this->binding === $binding; |
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} |
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/** |
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* @return string |
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*/ |
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public function getBinding() |
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{ |
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return $this->binding; |
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} |
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/** |
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* @param Binding $other |
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* @return bool |
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*/ |
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public function equals(Binding $other) |
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{ |
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return $this->binding === $other->binding; |
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} |
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public static function deserialize($data) |
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{ |
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Assertion::nonEmptyString($data, 'data'); |
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return new self($data); |
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} |
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public function serialize() |
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{ |
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return $this->binding; |
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} |
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public function __toString() |
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{ |
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return $this->binding; |
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} |
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} |
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