give / vendor / paypal / paypalhttp / lib / PayPalHttp / Serializer / Multipart.php

Multipart.php in GiveWP – Donation Plugin and Fundraising Platform 4.17.0, at vendor/paypal/paypalhttp/lib/PayPalHttp/Serializer/Multipart.php

135 lines 4.1 KB

Raw Download Zip

1	<?php
2
3	namespace PayPalHttp\Serializer;
4
5	use finfo;
6	use PayPalHttp\HttpRequest;
7	use PayPalHttp\Serializer;
8	use PayPalHttp\Encoder;
9	use PayPalHttp\Serializer\FormPart;
10
11	/**
12	* Class Multipart
13	* @package PayPalHttp\Serializer
14	*
15	* Serializer for multipart.
16	*/
17	class Multipart implements Serializer
18	{
19	const LINEFEED = "\r\n";
20
21	public function contentType()
22	{
23	return "/^multipart\/.*$/";
24	}
25
26	public function encode(HttpRequest $request)
27	{
28	if (!is_array($request->body) \|\| !$this->isAssociative($request->body))
29	{
30	throw new \Exception("HttpRequest body must be an associative array when Content-Type is: " . $request->headers["content-type"]);
31	}
32	$boundary = "---------------------" . md5(mt_rand() . microtime());
33	$contentTypeHeader = $request->headers["content-type"];
34	$request->headers["content-type"] = "{$contentTypeHeader}; boundary={$boundary}";
35
36	$value_params = [];
37	$file_params = [];
38
39	$disallow = ["\0", "\"", "\r", "\n"];
40
41	$body = [];
42
43	foreach ($request->body as $k => $v) {
44	$k = str_replace($disallow, "_", $k);
45	if (is_resource($v)) {
46	$file_params[] = $this->prepareFilePart($k, $v, $boundary);
47	} else if ($v instanceof FormPart) {
48	$value_params[] = $this->prepareFormPart($k, $v, $boundary);
49	} else {
50	$value_params[] = $this->prepareFormField($k, $v, $boundary);
51	}
52	}
53
54	$body = array_merge($value_params, $file_params);
55
56	// add boundary for each parameters
57	array_walk($body, function (&$part) use ($boundary) {
58	$part = "--{$boundary}" . self::LINEFEED . "{$part}";
59	});
60
61	// add final boundary
62	$body[] = "--{$boundary}--";
63	$body[] = "";
64
65	return implode(self::LINEFEED, $body);
66	}
67
68	public function decode($data)
69	{
70	throw new \Exception("Multipart does not support deserialization");
71	}
72
73	private function isAssociative(array $array)
74	{
75	return array_values($array) !== $array;
76	}
77
78	private function prepareFormField($partName, $value, $boundary)
79	{
80	return implode(self::LINEFEED, [
81	"Content-Disposition: form-data; name=\"{$partName}\"",
82	"",
83	filter_var($value),
84	]);
85	}
86
87	private function prepareFilePart($partName, $file, $boundary)
88	{
89	$fileInfo = new finfo(FILEINFO_MIME_TYPE);
90	$filePath = stream_get_meta_data($file)['uri'];
91	$data = file_get_contents($filePath);
92	$mimeType = $fileInfo->buffer($data);
93
94	$splitFilePath = explode(DIRECTORY_SEPARATOR, $filePath);
95	$filePath = end($splitFilePath);
96	$disallow = ["\0", "\"", "\r", "\n"];
97	$filePath = str_replace($disallow, "_", $filePath);
98	return implode(self::LINEFEED, [
99	"Content-Disposition: form-data; name=\"{$partName}\"; filename=\"{$filePath}\"",
100	"Content-Type: {$mimeType}",
101	"",
102	$data,
103	]);
104	}
105
106	private function prepareFormPart($partName, $formPart, $boundary)
107	{
108	$contentDisposition = "Content-Disposition: form-data; name=\"{$partName}\"";
109
110	$partHeaders = $formPart->getHeaders();
111	$formattedheaders = array_change_key_case($partHeaders);
112	if (array_key_exists("content-type", $formattedheaders)) {
113	if ($formattedheaders["content-type"] === "application/json") {
114	$contentDisposition .= "; filename=\"{$partName}.json\"";
115	}
116	$tempRequest = new HttpRequest('/', 'POST');
117	$tempRequest->headers = $formattedheaders;
118	$tempRequest->body = $formPart->getValue();
119	$encoder = new Encoder();
120	$partValue = $encoder->serializeRequest($tempRequest);
121	} else {
122	$partValue = $formPart->getValue();
123	}
124
125	$finalPartHeaders = [];
126	foreach ($partHeaders as $k => $v) {
127	$finalPartHeaders[] = "{$k}: {$v}";
128	}
129
130	$body = array_merge([$contentDisposition], $finalPartHeaders, [""], [$partValue]);
131
132	return implode(self::LINEFEED, $body);
133	}
134	}
135