gdpr-framework / src / DataSubject / DataExporter.php

DataExporter.php in The GDPR Framework By Data443 trunk, at src/DataSubject/DataExporter.php

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1	<?php
2
3	namespace Codelight\GDPR\DataSubject;
4
5	/**
6	* Handle formatting and downloading data subject's data.
7	*
8	* Class DataManager
9	*
10	* @package Codelight\GDPR\DataSubject
11	*/
12	class DataExporter
13	{
14	public function export(array $data, DataSubject $dataSubject, $format = 'html')
15	{
16	$data = $this->maybeUnserialize($data);
17
18	do_action('gdpr/export', $data, $dataSubject->getEmail(), $dataSubject, $format);
19
20	if ('html' === $format) {
21	$this->downloadHTML($data, $dataSubject);
22	} elseif ('json' === $format) {
23	$this->downloadJSON($data, $dataSubject);
24	}
25	}
26
27	/**
28	* Download a data subject's data in human-readable format,
29	* formatted as a table in an HTML document unless overridden.
30	*
31	* @param array $data
32	* @param DataSubject $dataSubject
33	*/
34	protected function downloadHTML(array $data, DataSubject $dataSubject)
35	{
36	// Allow extensions to send a different response
37	do_action('gdpr/export/html', $data, $dataSubject->getEmail(), $dataSubject);
38
39	$filename = 'data_' . date("Y-m-d_H:i:s") . '.html';
40
41	// By default, send a downloadable HTML file
42	header("Pragma: public");
43	header("Expires: 0");
44	header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
45	header("Cache-Control: private", false);
46	header('Content-Encoding: UTF-8');
47	header("Content-Type: text/html");
48	header("Content-Disposition: attachment; filename=\"{$filename}\";");
49	header("Content-Transfer-Encoding: binary");
50
51	echo $this->getHtmlData($data);
52	exit;
53	}
54
55	/**
56	* Download a data subject's data in machine-readable format,
57	* formatted as JSON unless overridden.
58	*
59	* @param array $data
60	* @param DataSubject $dataSubject
61	*/
62	protected function downloadJSON(array $data, DataSubject $dataSubject)
63	{
64	// Allow extensions to send a different response
65	do_action('gdpr/export/json', $data, $dataSubject->getEmail(), $dataSubject);
66
67	$filename = 'data_' . date("Y-m-d_H:i:s") . '.json';
68
69	// By default, encode to JSON and send a JSON response
70	header("Pragma: public");
71	header("Expires: 0");
72	header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
73	header("Cache-Control: private", false);
74	header('Content-Encoding: UTF-8');
75	header("Content-Type: application/json");
76	header("Content-Disposition: attachment; filename=\"{$filename}\";");
77	header("Content-Transfer-Encoding: binary");
78
79	wp_send_json($data);
80	}
81
82	protected function getHtmlData($data)
83	{
84	$table = $this->formatAsTable($this->maybeUnserialize($data));
85	return gdpr('view')->render('global/html-data', compact('table'));
86	}
87
88	protected function formatAsTable(array $data, $level = 0)
89	{
90	$output = "<table class='level-{$level}'>";
91	foreach ($data as $key => $value) {
92	$output .= "<tr>";
93
94	// Output key
95	$output .= "<td class='key'>";
96	$output .= esc_html($key);
97	$output .= "</td>";
98
99	// Output value
100	$output .= "<td class='value'>";
101
102	// Account for arrays with just one item, such as usermeta
103	if (is_array($value) && 1 === count($value)) {
104	$tmp = '';
105	foreach ($value as $key => $value2) {
106	$tmp = $value2;
107	}
108	$value = $tmp;
109	}
110
111	// In case of arrays, recurse
112	if ( is_array( $value ) ) {
113	$output .= $this->formatAsTable($value, ($level + 1));
114	} else {
115	// check for an object
116	if ( ! empty( $value->user_nicename ) ) {
117	$output .= esc_html( $value->user_nicename );
118	} elseif ( is_object( $value ) ) {
119	$output .= esc_html( print_r( $value, true ) );
120	} else {
121	$output .= wp_kses_post( $value );
122	}
123	}
124	$output .= "</td>";
125
126	$output .= "</tr>";
127	}
128
129	$output .= "</table>";
130	return $output;
131	}
132
133	/**
134	* Recursively maybe unserialize data
135	*
136	* @param array $data
137	* @return array
138	*/
139	protected function maybeUnserialize(array $data)
140	{
141	foreach ($data as &$datum) {
142	if (is_array($datum)) {
143	$datum = $this->maybeUnserialize($datum);
144	} else {
145	$datum = maybe_unserialize($datum);
146	}
147	}
148
149	return $data;
150	}
151	}
152