1 files changed, 114 insertions, 0 deletions

diff --git a/vendor/paypal/paypalhttp/lib/PayPalHttp/Encoder.php b/vendor/paypal/paypalhttp/lib/PayPalHttp/Encoder.php
new file mode 100644
index 0000000..b7158a7
--- /dev/null
+++ b/vendor/paypal/paypalhttp/lib/PayPalHttp/Encoder.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace PayPalHttp;
+
+use PayPalHttp\Serializer\Form;
+use PayPalHttp\Serializer\Json;
+use PayPalHttp\Serializer\Multipart;
+use PayPalHttp\Serializer\Text;
+
+/**
+ * Class Encoder
+ * @package PayPalHttp
+ *
+ * Encoding class for serializing and deserializing request/response.
+ */
+class Encoder
+{
+    private $serializers = [];
+
+    function __construct()
+    {
+        $this->serializers[] = new Json();
+        $this->serializers[] = new Text();
+        $this->serializers[] = new Multipart();
+        $this->serializers[] = new Form();
+    }
+
+
+
+    public function serializeRequest(HttpRequest $request)
+    {
+        if (!array_key_exists('content-type', $request->headers)) {
+            $message = "HttpRequest does not have Content-Type header set";
+            echo $message;
+            throw new \Exception($message);
+        }
+
+        $contentType = $request->headers['content-type'];
+        /** @var Serializer $serializer */
+        $serializer = $this->serializer($contentType);
+
+        if (is_null($serializer)) {
+            $message = sprintf("Unable to serialize request with Content-Type: %s. Supported encodings are: %s", $contentType, implode(", ", $this->supportedEncodings()));
+            echo $message;
+            throw new \Exception($message);
+        }
+
+        if (!(is_string($request->body) || is_array($request->body))) {
+            $message = "Body must be either string or array";
+            echo $message;
+            throw new \Exception($message);
+        }
+
+        $serialized = $serializer->encode($request);
+
+        if (array_key_exists("content-encoding", $request->headers) && $request->headers["content-encoding"] === "gzip") {
+            $serialized = gzencode($serialized);
+        }
+        return $serialized;
+    }
+
+
+    public function deserializeResponse($responseBody, $headers)
+    {
+
+        if (!array_key_exists('content-type', $headers)) {
+            $message = "HTTP response does not have Content-Type header set";
+            echo $message;
+            throw new \Exception($message);
+        }
+
+        $contentType = $headers['content-type'];
+        /** @var Serializer $serializer */
+        $serializer = $this->serializer($contentType);
+
+        if (is_null($serializer)) {
+            throw new \Exception(sprintf("Unable to deserialize response with Content-Type: %s. Supported encodings are: %s", $contentType, implode(", ", $this->supportedEncodings())));
+        }
+
+        if (array_key_exists("content-encoding", $headers) && $headers["content-encoding"] === "gzip") {
+            $responseBody = gzdecode($responseBody);
+        }
+
+        return $serializer->decode($responseBody);
+    }
+
+    private function serializer($contentType)
+    {
+        /** @var Serializer $serializer */
+        foreach ($this->serializers as $serializer) {
+            try {
+                if (preg_match($serializer->contentType(), $contentType) == 1) {
+                    return $serializer;
+                }
+            } catch (\Exception $ex) {
+                $message = sprintf("Error while checking content type of %s: %s", get_class($serializer), $ex->getMessage());
+                echo $message;
+                throw new \Exception($message, $ex->getCode(), $ex);
+            }
+        }
+
+        return NULL;
+    }
+
+    private function supportedEncodings()
+    {
+        $values = [];
+        /** @var Serializer $serializer */
+        foreach ($this->serializers as $serializer) {
+            $values[] = $serializer->contentType();
+        }
+        return $values;
+    }
+}