From 17ff8aec3a0d2e0a520849c42c40a154a0831495 Mon Sep 17 00:00:00 2001
From: Christian Cleberg <hello@cleberg.net>
Date: Mon, 22 May 2023 15:37:34 -0500
Subject: initial commit

---
 .../eher/oauth/src/Eher/OAuth/SignatureMethod.php  | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 vendor/eher/oauth/src/Eher/OAuth/SignatureMethod.php

(limited to 'vendor/eher/oauth/src/Eher/OAuth/SignatureMethod.php')

diff --git a/vendor/eher/oauth/src/Eher/OAuth/SignatureMethod.php b/vendor/eher/oauth/src/Eher/OAuth/SignatureMethod.php
new file mode 100644
index 0000000..d938632
--- /dev/null
+++ b/vendor/eher/oauth/src/Eher/OAuth/SignatureMethod.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Eher\OAuth;
+
+/**
+ * A class for implementing a Signature Method
+ * See section 9 ("Signing Requests") in the spec
+ */
+abstract class SignatureMethod {
+  /**
+   * 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 Request when the final
+   * request is serialized
+   * @param Request $request
+   * @param Consumer $consumer
+   * @param OAuthToken $token
+   * @return string
+   */
+  abstract public function build_signature($request, $consumer, $token);
+
+  /**
+   * Verifies that a given signature is correct
+   * @param Request $request
+   * @param Consumer $consumer
+   * @param OAuthToken $token
+   * @param string $signature
+   * @return bool
+   */
+  public function check_signature($request, $consumer, $token, $signature) {
+    $built = $this->build_signature($request, $consumer, $token);
+    return $built == $signature;
+  }
+}
-- 
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