spaces.php

aws/Aws/Api/ErrorParser/XmlErrorParser.php

@@ -0,0 +1,82 @@
+<?php
+namespace Aws\Api\ErrorParser;
+
+use Aws\Api\Parser\PayloadParserTrait;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * Parses XML errors.
+ */
+class XmlErrorParser
+{
+    use PayloadParserTrait;
+
+    public function __invoke(ResponseInterface $response)
+    {
+        $code = (string) $response->getStatusCode();
+
+        $data = [
+            'type'        => $code[0] == '4' ? 'client' : 'server',
+            'request_id'  => null,
+            'code'        => null,
+            'message'     => null,
+            'parsed'      => null
+        ];
+
+        $body = $response->getBody();
+        if ($body->getSize() > 0) {
+            $this->parseBody($this->parseXml($body), $data);
+        } else {
+            $this->parseHeaders($response, $data);
+        }
+
+        return $data;
+    }
+
+    private function parseHeaders(ResponseInterface $response, array &$data)
+    {
+        if ($response->getStatusCode() == '404') {
+            $data['code'] = 'NotFound';
+        }
+
+        $data['message'] = $response->getStatusCode() . ' '
+            . $response->getReasonPhrase();
+
+        if ($requestId = $response->getHeaderLine('x-amz-request-id')) {
+            $data['request_id'] = $requestId;
+            $data['message'] .= " (Request-ID: $requestId)";
+        }
+    }
+
+    private function parseBody(\SimpleXMLElement $body, array &$data)
+    {
+        $data['parsed'] = $body;
+
+        $namespaces = $body->getDocNamespaces();
+        if (!isset($namespaces[''])) {
+            $prefix = '';
+        } else {
+            // Account for the default namespace being defined and PHP not
+            // being able to handle it :(.
+            $body->registerXPathNamespace('ns', $namespaces['']);
+            $prefix = 'ns:';
+        }
+
+        if ($tempXml = $body->xpath("//{$prefix}Code[1]")) {
+            $data['code'] = (string) $tempXml[0];
+        }
+
+        if ($tempXml = $body->xpath("//{$prefix}Message[1]")) {
+            $data['message'] = (string) $tempXml[0];
+        }
+
+        $tempXml = $body->xpath("//{$prefix}RequestId[1]");
+        if (empty($tempXml)) {
+            $tempXml = $body->xpath("//{$prefix}RequestID[1]");
+        }
+
+        if (isset($tempXml[0])) {
+            $data['request_id'] = (string) $tempXml[0];
+        }
+    }
+}