Initial import.

vendor/guzzle/plugin-cache/Guzzle/Plugin/Cache/DefaultCanCacheStrategy.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Guzzle\Plugin\Cache;
+
+use Guzzle\Http\Message\RequestInterface;
+use Guzzle\Http\Message\Response;
+
+/**
+ * Default strategy used to determine of an HTTP request can be cached
+ */
+class DefaultCanCacheStrategy implements CanCacheStrategyInterface
+{
+    public function canCacheRequest(RequestInterface $request)
+    {
+        // Only GET and HEAD requests can be cached
+        if ($request->getMethod() != RequestInterface::GET && $request->getMethod() != RequestInterface::HEAD) {
+            return false;
+        }
+
+        // Never cache requests when using no-store
+        if ($request->hasHeader('Cache-Control') && $request->getHeader('Cache-Control')->hasDirective('no-store')) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public function canCacheResponse(Response $response)
+    {
+        return $response->isSuccessful() && $response->canCache();
+    }
+}