1 files changed, 134 insertions, 0 deletions
diff --git a/vendor/paypal/paypalhttp/lib/PayPalHttp/Serializer/Multipart.php b/vendor/paypal/paypalhttp/lib/PayPalHttp/Serializer/Multipart.php
new file mode 100644
index 0000000..a420205
--- /dev/null
+++ b/vendor/paypal/paypalhttp/lib/PayPalHttp/Serializer/Multipart.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace PayPalHttp\Serializer;
+
+use finfo;
+use PayPalHttp\HttpRequest;
+use PayPalHttp\Serializer;
+use PayPalHttp\Encoder;
+use PayPalHttp\Serializer\FormPart;
+
+/**
+ * Class Multipart
+ * @package PayPalHttp\Serializer
+ *
+ * Serializer for multipart.
+ */
+class Multipart implements Serializer
+{
+    const LINEFEED = "\r\n";
+
+    public function contentType()
+    {
+        return "/^multipart\/.*$/";
+    }
+
+    public function encode(HttpRequest $request)
+    {
+        if (!is_array($request->body) || !$this->isAssociative($request->body))
+        {
+            throw new \Exception("HttpRequest body must be an associative array when Content-Type is: " . $request->headers["content-type"]);
+        }
+        $boundary = "---------------------" . md5(mt_rand() . microtime());
+        $contentTypeHeader = $request->headers["content-type"];
+        $request->headers["content-type"] = "{$contentTypeHeader}; boundary={$boundary}";
+
+        $value_params = [];
+        $file_params = [];
+
+        $disallow = ["\0", "\"", "\r", "\n"];
+
+        $body = [];
+
+        foreach ($request->body as $k => $v) {
+            $k = str_replace($disallow, "_", $k);
+            if (is_resource($v)) {
+                $file_params[] = $this->prepareFilePart($k, $v, $boundary);
+            } else if ($v instanceof FormPart) {
+                $value_params[] = $this->prepareFormPart($k, $v, $boundary);
+            } else {
+                $value_params[] = $this->prepareFormField($k, $v, $boundary);
+            }
+        }
+
+        $body = array_merge($value_params, $file_params);
+
+        // add boundary for each parameters
+        array_walk($body, function (&$part) use ($boundary) {
+            $part = "--{$boundary}" . self::LINEFEED . "{$part}";
+        });
+
+        // add final boundary
+        $body[] = "--{$boundary}--";
+        $body[] = "";
+
+        return implode(self::LINEFEED, $body);
+    }
+
+    public function decode($data)
+    {
+        throw new \Exception("Multipart does not support deserialization");
+    }
+
+    private function isAssociative(array $array)
+    {
+        return array_values($array) !== $array;
+    }
+
+    private function prepareFormField($partName, $value, $boundary)
+    {
+        return implode(self::LINEFEED, [
+            "Content-Disposition: form-data; name=\"{$partName}\"",
+            "",
+            filter_var($value),
+        ]);
+    }
+
+    private function prepareFilePart($partName, $file, $boundary)
+    {
+        $fileInfo = new finfo(FILEINFO_MIME_TYPE);
+        $filePath = stream_get_meta_data($file)['uri'];
+        $data = file_get_contents($filePath);
+        $mimeType = $fileInfo->buffer($data);
+
+        $splitFilePath = explode(DIRECTORY_SEPARATOR, $filePath);
+        $filePath = end($splitFilePath);
+        $disallow = ["\0", "\"", "\r", "\n"];
+        $filePath = str_replace($disallow, "_", $filePath);
+        return implode(self::LINEFEED, [
+            "Content-Disposition: form-data; name=\"{$partName}\"; filename=\"{$filePath}\"",
+            "Content-Type: {$mimeType}",
+            "",
+            $data,
+        ]);
+    }
+
+    private function prepareFormPart($partName, $formPart, $boundary)
+    {
+        $contentDisposition = "Content-Disposition: form-data; name=\"{$partName}\"";
+
+        $partHeaders = $formPart->getHeaders();
+        $formattedheaders = array_change_key_case($partHeaders);
+        if (array_key_exists("content-type", $formattedheaders)) {
+            if ($formattedheaders["content-type"] === "application/json") {
+                $contentDisposition .= "; filename=\"{$partName}.json\"";
+            }
+            $tempRequest = new HttpRequest('/', 'POST');
+            $tempRequest->headers = $formattedheaders;
+            $tempRequest->body = $formPart->getValue();
+            $encoder = new Encoder();
+            $partValue = $encoder->serializeRequest($tempRequest);
+        } else {
+            $partValue = $formPart->getValue();
+        }
+
+        $finalPartHeaders = [];
+        foreach ($partHeaders as $k => $v) {
+            $finalPartHeaders[] = "{$k}: {$v}";
+        }
+
+        $body = array_merge([$contentDisposition], $finalPartHeaders, [""], [$partValue]);
+
+        return implode(self::LINEFEED, $body);
+    }
+}