media-cloud-sync / includes / sdk / s3 / Aws / Api / Parser / AbstractRestParser.php

AbstractRestParser.php in Media Cloud Sync 1.2.0, at includes/sdk/s3/Aws/Api/Parser/AbstractRestParser.php

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1	<?php
2
3	namespace Dudlewebs\WPMCS\s3\Aws\Api\Parser;
4
5	use Dudlewebs\WPMCS\s3\Aws\Api\DateTimeResult;
6	use Dudlewebs\WPMCS\s3\Aws\Api\Shape;
7	use Dudlewebs\WPMCS\s3\Aws\Api\StructureShape;
8	use Dudlewebs\WPMCS\s3\Aws\Result;
9	use Dudlewebs\WPMCS\s3\Aws\CommandInterface;
10	use Dudlewebs\WPMCS\s3\Psr\Http\Message\ResponseInterface;
11	/**
12	* @internal
13	*/
14	abstract class AbstractRestParser extends AbstractParser
15	{
16	use PayloadParserTrait;
17	/**
18	* Parses a payload from a response.
19	*
20	* @param ResponseInterface $response Response to parse.
21	* @param StructureShape $member Member to parse
22	* @param array $result Result value
23	*
24	* @return mixed
25	*/
26	protected abstract function payload(ResponseInterface $response, StructureShape $member, array &$result);
27	public function __invoke(CommandInterface $command, ResponseInterface $response)
28	{
29	$output = $this->api->getOperation($command->getName())->getOutput();
30	$result = [];
31	if ($payload = $output['payload']) {
32	$this->extractPayload($payload, $output, $response, $result);
33	}
34	foreach ($output->getMembers() as $name => $member) {
35	switch ($member['location']) {
36	case 'header':
37	$this->extractHeader($name, $member, $response, $result);
38	break;
39	case 'headers':
40	$this->extractHeaders($name, $member, $response, $result);
41	break;
42	case 'statusCode':
43	$this->extractStatus($name, $response, $result);
44	break;
45	}
46	}
47	if (!$payload && $response->getBody()->getSize() > 0 && \count($output->getMembers()) > 0) {
48	// if no payload was found, then parse the contents of the body
49	$this->payload($response, $output, $result);
50	}
51	return new Result($result);
52	}
53	private function extractPayload($payload, StructureShape $output, ResponseInterface $response, array &$result)
54	{
55	$member = $output->getMember($payload);
56	if (!empty($member['eventstream'])) {
57	$result[$payload] = new EventParsingIterator($response->getBody(), $member, $this);
58	} else {
59	if ($member instanceof StructureShape) {
60	// Structure members parse top-level data into a specific key.
61	$result[$payload] = [];
62	$this->payload($response, $member, $result[$payload]);
63	} else {
64	// Streaming data is just the stream from the response body.
65	$result[$payload] = $response->getBody();
66	}
67	}
68	}
69	/**
70	* Extract a single header from the response into the result.
71	*/
72	private function extractHeader($name, Shape $shape, ResponseInterface $response, &$result)
73	{
74	$value = $response->getHeaderLine($shape['locationName'] ?: $name);
75	switch ($shape->getType()) {
76	case 'float':
77	case 'double':
78	$value = (float) $value;
79	break;
80	case 'long':
81	$value = (int) $value;
82	break;
83	case 'boolean':
84	$value = \filter_var($value, \FILTER_VALIDATE_BOOLEAN);
85	break;
86	case 'blob':
87	$value = \base64_decode($value);
88	break;
89	case 'timestamp':
90	try {
91	$value = DateTimeResult::fromTimestamp($value, !empty($shape['timestampFormat']) ? $shape['timestampFormat'] : null);
92	break;
93	} catch (\Exception $e) {
94	// If the value cannot be parsed, then do not add it to the
95	// output structure.
96	return;
97	}
98	case 'string':
99	try {
100	if ($shape['jsonvalue']) {
101	$value = $this->parseJson(\base64_decode($value), $response);
102	}
103	// If value is not set, do not add to output structure.
104	if (!isset($value)) {
105	return;
106	}
107	break;
108	} catch (\Exception $e) {
109	//If the value cannot be parsed, then do not add it to the
110	//output structure.
111	return;
112	}
113	}
114	$result[$name] = $value;
115	}
116	/**
117	* Extract a map of headers with an optional prefix from the response.
118	*/
119	private function extractHeaders($name, Shape $shape, ResponseInterface $response, &$result)
120	{
121	// Check if the headers are prefixed by a location name
122	$result[$name] = [];
123	$prefix = $shape['locationName'];
124	$prefixLen = $prefix !== null ? \strlen($prefix) : 0;
125	foreach ($response->getHeaders() as $k => $values) {
126	if (!$prefixLen) {
127	$result[$name][$k] = \implode(', ', $values);
128	} elseif (\stripos($k, $prefix) === 0) {
129	$result[$name][\substr($k, $prefixLen)] = \implode(', ', $values);
130	}
131	}
132	}
133	/**
134	* Places the status code of the response into the result array.
135	*/
136	private function extractStatus($name, ResponseInterface $response, array &$result)
137	{
138	$result[$name] = (int) $response->getStatusCode();
139	}
140	}
141