Refactored and renamed getAuthenticatingNamespaceObject(), added more type hints

CloudObjects/SDK/Common/CryptoHelper.php

@@ -60,7 +60,7 @@ class CryptoHelper {
         $this->objectRetriever = $objectRetriever;
         $this->namespace = isset($namespaceCoid)
             ? $objectRetriever->getObjectNode($namespaceCoid)
-            : $objectRetriever->getAuthenticatingNamespaceObject();
+            : $objectRetriever->getAuthenticatingNamespaceObjectNode();
         
         $this->reader = new NodeReader([
             'prefixes' => [

CloudObjects/SDK/ObjectRetriever.php

@@ -7,7 +7,8 @@
 namespace CloudObjects\SDK;
 
 use DateTime, Exception;
-use ML\IRI\IRI, ML\JsonLD\JsonLD;
+use ML\IRI\IRI;
+use ML\JsonLD\JsonLD, ML\JsonLD\Node;
 use Psr\Log\LoggerInterface, Psr\Log\LoggerAwareTrait;
 use GuzzleHttp\ClientInterface, GuzzleHttp\Client, GuzzleHttp\HandlerStack;
 use GuzzleHttp\Exception\RequestException;
@@ -205,7 +206,7 @@ class ObjectRetriever implements CustomCacheAndLogInterface {
 	/**
 	 * Get an object description and return a CloudObject.
 	 */
-	public function getCloudObject(IRI $coid) {
+	public function getCloudObject(IRI $coid) : CloudObject {
 		$node = $this->getObjectNode($coid);
 		if (!$node) {
 			// Object not found
@@ -238,7 +239,7 @@ class ObjectRetriever implements CustomCacheAndLogInterface {
 	 * @param IRI $coid COID of the object
 	 * @return Node|null
 	 */
-	public function getObjectNode(IRI $coid) {
+	public function getObjectNode(IRI $coid) : Node {
 		if (!COIDParser::isValidCOID($coid))
 			throw new Exception("Not a valid COID.");
 
@@ -517,21 +518,46 @@ class ObjectRetriever implements CustomCacheAndLogInterface {
 		return $fileContent;
 	}
 
-	/**
-	 * Retrieve the object that describes the namespace provided with the "auth_ns"
-	 * configuration option.
-	 * 
-	 * @return Node
-	 */
-	public function getAuthenticatingNamespaceObject() {
+	private function assertAuthenticatingNamespaceAndGetId() : IRI {
 		if (!isset($this->options['auth_ns']))
-			throw new Exception("Missing 'auth_ns' configuration option.");
+			throw new InvalidSDKConfigurationException("Missing 'auth_ns' configuration option.");
 
 		$namespaceCoid = COIDParser::fromString($this->options['auth_ns']);
 		if (COIDParser::getType($namespaceCoid) != COIDParser::COID_ROOT)
-			throw new Exception("The 'auth_ns' configuration option is not a valid namespace/root COID.");
+			throw new InvalidSDKConfigurationException("The 'auth_ns' configuration option is not a valid namespace/root COID.");
 
-		return $this->getObject($namespaceCoid);
+		return $namespaceCoid;
+	}
+
+	/**
+	 * Retrieve the object node that describes the namespace
+	 * provided with the "auth_ns" configuration option.
+	 * 
+	 * @deprecated Use getAuthenticatingNamespaceObjectNode() instead
+	 * @return Node
+	 */
+	public function getAuthenticatingNamespaceObject() : Node {
+		return $this->getObject($this->assertAuthenticatingNamespaceAndGetId());
+	}
+
+	/**
+	 * Retrieve the object node that describes the namespace
+	 * provided with the "auth_ns" configuration option.
+	 * 
+	 * @return Node
+	 */
+	public function getAuthenticatingNamespaceObjectNode() : Node {
+		return $this->getObject($this->assertAuthenticatingNamespaceAndGetId());
+	}
+
+	/**
+	 * Retrieve the CloudObject that describes the namespace
+	 * provided with the "auth_ns" configuration option.
+	 * 
+	 * @return CloudObject
+	 */
+	public function getAuthenticatingNamespaceCloudObject() : CloudObject {
+		return $this->getCloudObject($this->assertAuthenticatingNamespaceAndGetId());
 	}
 
 }

CloudObjects/SDK/WebAPI/APIClientFactory.php

@@ -221,7 +221,7 @@ class APIClientFactory {
         $this->objectRetriever = $objectRetriever;
         $this->namespace = isset($namespaceCoid)
             ? $objectRetriever->getObjectNode($namespaceCoid)
-            : $objectRetriever->getAuthenticatingNamespaceObject();
+            : $objectRetriever->getAuthenticatingNamespaceObjectNode();
         
         $this->reader = new NodeReader([
             'prefixes' => [