updraftplus / includes / Google / Http / REST.php

REST.php in UpdraftPlus: WP Backup & Migration Plugin 1.16.5, at includes/Google/Http/REST.php

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1	<?php
2	/*
3	* Copyright 2010 Google Inc.
4	*
5	* Licensed under the Apache License, Version 2.0 (the "License");
6	* you may not use this file except in compliance with the License.
7	* You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*/
17
18	if (!class_exists('Google_Client')) {
19	require_once dirname(__FILE__) . '/../autoload.php';
20	}
21
22	/**
23	* This class implements the RESTful transport of apiServiceRequest()'s
24	*/
25	class Google_Http_REST
26	{
27	/**
28	* Executes a Google_Http_Request and (if applicable) automatically retries
29	* when errors occur.
30	*
31	* @param Google_Client $client
32	* @param Google_Http_Request $req
33	* @return array decoded result
34	* @throws Google_Service_Exception on server side error (ie: not authenticated,
35	* invalid or malformed post body, invalid url)
36	*/
37	public static function execute(Google_Client $client, Google_Http_Request $req)
38	{
39	$runner = new Google_Task_Runner(
40	$client,
41	sprintf('%s %s', $req->getRequestMethod(), $req->getUrl()),
42	array(get_class(), 'doExecute'),
43	array($client, $req)
44	);
45
46	return $runner->run();
47	}
48
49	/**
50	* Executes a Google_Http_Request
51	*
52	* @param Google_Client $client
53	* @param Google_Http_Request $req
54	* @return array decoded result
55	* @throws Google_Service_Exception on server side error (ie: not authenticated,
56	* invalid or malformed post body, invalid url)
57	*/
58	public static function doExecute(Google_Client $client, Google_Http_Request $req)
59	{
60	$httpRequest = $client->getIo()->makeRequest($req);
61	$httpRequest->setExpectedClass($req->getExpectedClass());
62	return self::decodeHttpResponse($httpRequest, $client);
63	}
64
65	/**
66	* Decode an HTTP Response.
67	* @static
68	* @throws Google_Service_Exception
69	* @param Google_Http_Request $response The http response to be decoded.
70	* @param Google_Client $client
71	* @return mixed\|null
72	*/
73	public static function decodeHttpResponse($response, Google_Client $client = null)
74	{
75	$code = $response->getResponseHttpCode();
76	$body = $response->getResponseBody();
77	$decoded = null;
78
79	if ((intVal($code)) >= 300) {
80	$decoded = json_decode($body, true);
81	$err = 'Error calling ' . $response->getRequestMethod() . ' ' . $response->getUrl();
82	if (isset($decoded['error']) &&
83	isset($decoded['error']['message']) &&
84	isset($decoded['error']['code'])) {
85	// if we're getting a json encoded error definition, use that instead of the raw response
86	// body for improved readability
87	$err .= ": ({$decoded['error']['code']}) {$decoded['error']['message']}";
88	} else {
89	$err .= ": ($code) $body";
90	}
91
92	$errors = null;
93	// Specific check for APIs which don't return error details, such as Blogger.
94	if (isset($decoded['error']) && isset($decoded['error']['errors'])) {
95	$errors = $decoded['error']['errors'];
96	}
97
98	$map = null;
99	if ($client) {
100	$client->getLogger()->error(
101	$err,
102	array('code' => $code, 'errors' => $errors)
103	);
104
105	$map = $client->getClassConfig(
106	'Google_Service_Exception',
107	'retry_map'
108	);
109	}
110	throw new Google_Service_Exception($err, $code, null, $errors, $map);
111	}
112
113	// Only attempt to decode the response, if the response code wasn't (204) 'no content'
114	if ($code != '204') {
115	if ($response->getExpectedRaw()) {
116	return $body;
117	}
118
119	$decoded = json_decode($body, true);
120	if ($decoded === null \|\| $decoded === "") {
121	# UpdraftPlus patch
122	$error = "Invalid json in service response ($code): $body";
123	if ($client) {
124	$client->getLogger()->error($error);
125	}
126	throw new Google_Service_Exception($error);
127	}
128
129	if ($response->getExpectedClass()) {
130	$class = $response->getExpectedClass();
131	$decoded = new $class($decoded);
132	}
133	}
134	return $decoded;
135	}
136
137	/**
138	* Parse/expand request parameters and create a fully qualified
139	* request uri.
140	* @static
141	* @param string $servicePath
142	* @param string $restPath
143	* @param array $params
144	* @return string $requestUrl
145	*/
146	public static function createRequestUri($servicePath, $restPath, $params)
147	{
148	$requestUrl = $servicePath . $restPath;
149	$uriTemplateVars = array();
150	$queryVars = array();
151	foreach ($params as $paramName => $paramSpec) {
152	if ($paramSpec['type'] == 'boolean') {
153	$paramSpec['value'] = ($paramSpec['value']) ? 'true' : 'false';
154	}
155	if ($paramSpec['location'] == 'path') {
156	$uriTemplateVars[$paramName] = $paramSpec['value'];
157	} else if ($paramSpec['location'] == 'query') {
158	if (isset($paramSpec['repeated']) && is_array($paramSpec['value'])) {
159	foreach ($paramSpec['value'] as $value) {
160	$queryVars[] = $paramName . '=' . rawurlencode(rawurldecode($value));
161	}
162	} else {
163	$queryVars[] = $paramName . '=' . rawurlencode(rawurldecode($paramSpec['value']));
164	}
165	}
166	}
167
168	if (count($uriTemplateVars)) {
169	$uriTemplateParser = new Google_Utils_URITemplate();
170	$requestUrl = $uriTemplateParser->parse($requestUrl, $uriTemplateVars);
171	}
172
173	if (count($queryVars)) {
174	$requestUrl .= '?' . implode($queryVars, '&');
175	}
176
177	return $requestUrl;
178	}
179	}
180