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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\Certificate; |
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use SimpleSAML\SAML2\Configuration\DecryptionProvider; |
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use SimpleSAML\SAML2\Configuration\PrivateKey as PrivateKeyConfiguration; |
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use SimpleSAML\SAML2\Utilities\ArrayCollection; |
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use SimpleSAML\XMLSecurity\Key\PrivateKey; |
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use SimpleSAML\XMLSecurity\Key\SymmetricKey; |
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class PrivateKeyLoader |
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{ |
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/** |
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* Loads a private key based on the configuration given. |
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* |
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* @param \SimpleSAML\SAML2\Configuration\PrivateKey $key |
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* @return \SimpleSAML\XMLSecurity\Key\PrivateKey |
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*/ |
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public function loadPrivateKey(PrivateKeyConfiguration $key): PrivateKey |
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{ |
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return PrivateKey::fromFile( |
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$key->isFile() ? $key->getFilePath() : $key->getContents(), |
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$key->getPassPhrase(), |
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); |
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} |
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/** |
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* @param \SimpleSAML\SAML2\Configuration\DecryptionProvider $identityProvider |
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* @param \SimpleSAML\SAML2\Configuration\DecryptionProvider $serviceProvider |
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* @throws \Exception |
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* @return \SimpleSAML\SAML2\Utilities\ArrayCollection |
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*/ |
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public function loadDecryptionKeys( |
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DecryptionProvider $identityProvider, |
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DecryptionProvider $serviceProvider, |
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): ArrayCollection { |
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$decryptionKeys = new ArrayCollection(); |
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$senderSharedKey = $identityProvider->getSharedKey(); |
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if ($senderSharedKey !== null) { |
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$key = new SymmetricKey($senderSharedKey); |
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$decryptionKeys->add($key); |
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return $decryptionKeys; |
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} |
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$newPrivateKey = $serviceProvider->getPrivateKey(PrivateKeyConfiguration::NAME_NEW); |
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if ($newPrivateKey instanceof PrivateKeyConfiguration) { |
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$loadedKey = $this->loadPrivateKey($newPrivateKey); |
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$decryptionKeys->add($loadedKey); |
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} |
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$privateKey = $serviceProvider->getPrivateKey(PrivateKeyConfiguration::NAME_DEFAULT, true); |
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$loadedKey = $this->loadPrivateKey($privateKey); |
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$decryptionKeys->add($loadedKey); |
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return $decryptionKeys; |
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} |
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} |
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