spaces.php

aws/Aws/S3/PermanentRedirectMiddleware.php

@@ -0,0 +1,62 @@
+<?php
+namespace Aws\S3;
+
+use Aws\CommandInterface;
+use Aws\ResultInterface;
+use Aws\S3\Exception\PermanentRedirectException;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Throws a PermanentRedirectException exception when a 301 redirect is
+ * encountered.
+ *
+ * @internal
+ */
+class PermanentRedirectMiddleware
+{
+    /** @var callable  */
+    private $nextHandler;
+
+    /**
+     * Create a middleware wrapper function.
+     *
+     * @return callable
+     */
+    public static function wrap()
+    {
+        return function (callable $handler) {
+            return new self($handler);
+        };
+    }
+
+    /**
+     * @param callable $nextHandler Next handler to invoke.
+     */
+    public function __construct(callable $nextHandler)
+    {
+        $this->nextHandler = $nextHandler;
+    }
+
+    public function __invoke(CommandInterface $command, RequestInterface $request = null)
+    {
+        $next = $this->nextHandler;
+        return $next($command, $request)->then(
+            function (ResultInterface $result) use ($command) {
+                $status = isset($result['@metadata']['statusCode'])
+                    ? $result['@metadata']['statusCode']
+                    : null;
+                if ($status == 301) {
+                    throw new PermanentRedirectException(
+                        'Encountered a permanent redirect while requesting '
+                        . $result->search('"@metadata".effectiveUri') . '. '
+                        . 'Are you sure you are using the correct region for '
+                        . 'this bucket?',
+                        $command,
+                        ['result' => $result]
+                    );
+                }
+                return $result;
+            }
+        );
+    }
+}