Cleanup OAuth1 library

src/Security/OAuth1/Signature/OAuthSignatureMethod.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Friendica\Security\OAuth1\Signature;
+
+use Friendica\Security\OAuth1\OAuthRequest;
+
+/**
+ * A class for implementing a Signature Method
+ * See section 9 ("Signing Requests") in the spec
+ */
+abstract class OAuthSignatureMethod
+{
+	/**
+	 * Needs to return the name of the Signature Method (ie HMAC-SHA1)
+	 *
+	 * @return string
+	 */
+	abstract public function get_name();
+
+	/**
+	 * Build up the signature
+	 * NOTE: The output of this function MUST NOT be urlencoded.
+	 * the encoding is handled in OAuthRequest when the final
+	 * request is serialized
+	 *
+	 * @param OAuthRequest                             $request
+	 * @param \Friendica\Security\OAuth1\OAuthConsumer $consumer
+	 * @param \Friendica\Security\OAuth1\OAuthToken    $token
+	 *
+	 * @return string
+	 */
+	abstract public function build_signature(OAuthRequest $request, \Friendica\Security\OAuth1\OAuthConsumer $consumer, \Friendica\Security\OAuth1\OAuthToken $token = null);
+
+	/**
+	 * Verifies that a given signature is correct
+	 *
+	 * @param OAuthRequest                             $request
+	 * @param \Friendica\Security\OAuth1\OAuthConsumer $consumer
+	 * @param \Friendica\Security\OAuth1\OAuthToken    $token
+	 * @param string                                   $signature
+	 *
+	 * @return bool
+	 */
+	public function check_signature(OAuthRequest $request, \Friendica\Security\OAuth1\OAuthConsumer $consumer, $signature, \Friendica\Security\OAuth1\OAuthToken $token = null)
+	{
+		$built = $this->build_signature($request, $consumer, $token);
+		return ($built == $signature);
+	}
+}