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<?php |
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namespace kalanis\kw_auth\Methods; |
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use kalanis\kw_accounts\Interfaces\IAuthCert; |
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use kalanis\kw_address_handler\Handler; |
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use kalanis\kw_auth\Traits\TStamp; |
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/** |
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* Class UrlCerts |
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* @package kalanis\kw_auth\AuthMethods |
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* Authenticate via certificates |
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* |
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* query: |
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* //dummy/u:whoami/?pass=asdf123ghjk456×tamp=123456&digest=poiuztrewq |
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* |
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* makes following call: |
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* openssl_verify( $data = '//dummy/u:whoami/?pass=asdf123ghjk456×tamp=123456&salt=789', $signature = 'poiuztrewq', $key = 'mnbvcx987' ) |
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* |
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* - it removed digest value and added locally stored salt |
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*/ |
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class UrlCerts extends AMethods |
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{ |
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use TStamp; |
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protected const INPUT_NAME = 'name'; |
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protected const INPUT_NAME2 = 'user'; |
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protected const INPUT_STAMP = 'timestamp'; |
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protected const INPUT_DIGEST = 'digest'; |
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protected const INPUT_SALT = 'salt'; |
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protected IAuthCert $certAuthenticator; |
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protected Handler $uriHandler; |
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public function __construct(IAuthCert $authenticator, ?AMethods $nextOne, Handler $uriHandler) |
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{ |
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parent::__construct($authenticator, $nextOne); |
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$this->certAuthenticator = $authenticator; |
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$this->uriHandler = $uriHandler; |
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} |
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public function process(\ArrayAccess $credentials): void |
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{ |
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$name = $credentials->offsetExists(static::INPUT_NAME) ? strval($credentials->offsetGet(static::INPUT_NAME)) : '' ; |
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$name = $credentials->offsetExists(static::INPUT_NAME2) ? strval($credentials->offsetGet(static::INPUT_NAME2)) : $name ; |
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$stamp = $credentials->offsetExists(static::INPUT_STAMP) ? intval(strval($credentials->offsetGet(static::INPUT_STAMP))) : 0 ; |
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$wantedUser = $this->certAuthenticator->getDataOnly(strval($name)); |
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$wantedCert = $this->certAuthenticator->getCertData(strval($name)); |
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if ($wantedUser && $wantedCert && !empty($stamp) && $this->checkStamp($stamp)) { |
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// now we have public key and salt from our storage, so it's time to check it |
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// digest out, salt in |
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$digest = strval($this->uriHandler->getParams()->offsetGet(static::INPUT_DIGEST)); |
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$this->uriHandler->getParams()->offsetUnset(static::INPUT_DIGEST); |
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$this->uriHandler->getParams()->offsetSet(static::INPUT_SALT, $wantedCert->getSalt()); |
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$data = strval($this->uriHandler->getAddress()); |
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// verify |
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$result = openssl_verify($data, base64_decode(rawurldecode($digest)), $wantedCert->getPubKey(), OPENSSL_ALGO_SHA256); |
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if (1 === $result) { |
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// OK |
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$this->loggedUser = $wantedUser; |
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} |
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} |
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} |
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public function remove(): void |
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{ |
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} |
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} |
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alex-kalanis /
kw_auth
