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<?php |
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/** |
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* @author Russell Michell 2018 <[email protected]> |
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* @package silverstripe-verifiable |
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*/ |
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namespace PhpTek\Verifiable\Backend\Chainpoint; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\Core\Injector\Injectable; |
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use SilverStripe\Core\Config\Configurable; |
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use PhpTek\Verifiable\Exception\VerifiableBackendException; |
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use PhpTek\Verifiable\Backend\GatewayProvider; |
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use PhpTek\Verifiable\Backend\ServiceProvider; |
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use PhpTek\Verifiable\Backend\Chainpoint\Gateway; |
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/** |
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* Service class that works as an intermediary between any data model and the |
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* currently selected Merkle Tree backend gateway. |
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*/ |
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class Service implements ServiceProvider |
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{ |
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use Injectable; |
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use Configurable; |
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/** |
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* @var GatewayProvider |
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*/ |
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protected $backend; |
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/** |
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* |
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* @var array |
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*/ |
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protected $extra = []; |
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/** |
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* @return void |
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*/ |
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public function __construct() |
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{ |
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$this->setGateway(); |
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} |
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/** |
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* @return string |
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*/ |
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public function name() : string |
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{ |
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return $this->getGateway()->name(); |
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} |
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/** |
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* Wrapper around all gateway methods. |
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* |
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* @param string $method The name of the method to call |
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* @param mixed $arg The argument to pass to $method |
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* @return mixed |
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* @throws InvalidArgumentException |
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*/ |
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public function call($method, $arg) |
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{ |
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if (!method_exists($this, $method)) { |
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throw new \InvalidArgumentException("$method doesn't exist."); |
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} |
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$this->gateway->setDiscoveredNodes($this->getExtra()); |
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return $this->$method($arg); |
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} |
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/** |
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* Write a hash of data as per the "verifiable_fields" config static on each |
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* {@link DataObject}. |
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* |
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* @param array $data |
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* @return mixed The result of this call to the backend. |
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*/ |
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protected function write(array $data) |
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{ |
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return $this->gateway->hashes([$this->hash($data)]); |
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} |
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/** |
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* Fetch a chainpoint proof for the passed $uuid. |
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* |
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* @param mixed string | array $uuid |
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* @return string The JSON-LD chainpoint proof. |
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*/ |
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protected function read($uuid) : string |
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{ |
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if (is_array($uuid)) { |
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return $this->gateway->proofs(array_unique($uuid)); |
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} |
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return $this->gateway->proofs($uuid); |
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} |
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/** |
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* Verify the given JSON-LD chainpoint proof against the backend. |
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* |
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* @param string $proof A JSON-LD chainpoint proof. |
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* @return mixed |
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*/ |
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protected function verify(string $proof) |
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{ |
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return $this->gateway->verify($proof); |
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} |
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/** |
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* Set some arbitrary data onto the service. Used as a way of acting as |
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* an intermediary or broker between DataOBjects and the backend. |
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* |
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* @param array $extra |
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* @return VerifiableService |
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*/ |
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public function setExtra(array $extra = []) |
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{ |
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if (!$extra) { |
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$this->gateway->setDiscoveredNodes(); |
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$this->extra = $this->gateway->getDiscoveredNodes(); |
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} else { |
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$this->extra = $extra; |
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} |
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return $this; |
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} |
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/** |
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* Return arbitrary data set to this service. |
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* |
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* @return array |
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*/ |
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public function getExtra() |
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{ |
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return $this->extra; |
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} |
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/** |
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* Set, configure and return a new Merkle Tree storage backend. |
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* |
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* @param GatewayProvider $provider Optional manually passed backend. |
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* @return VerifiableService |
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* @throws VerifiableBackendException |
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*/ |
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public function setGateway(GatewayProvider $provider = null) |
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{ |
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if ($provider) { |
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$this->gateway = $provider; |
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return $this; |
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} |
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$this->gateway = Injector::inst()->create(Gateway::class); |
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} |
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/** |
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* @return GatewayProvider |
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*/ |
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public function getGateway() |
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{ |
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return $this->gateway; |
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} |
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/** |
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* Hashes the data passed into the $hash param. |
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* |
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* @param array $data An array of data who's values should be hashed. |
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* @return string The resulting hashed data. |
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*/ |
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public function hash(array $data) : string |
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{ |
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$func = $this->gateway->hashFunc(); |
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$text = json_encode($data, true); |
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return hash($func, $text); |
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} |
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} |
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phptek /
silverstripe-verifiable
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths