import.cls.php — LiteSpeed Cache 7.6.1

litespeed-cache / src / import.cls.php

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import.cls.php

214 lines

1	<?php
2	// phpcs:ignoreFile
3
4	/**
5	* The import/export class.
6	*
7	* @since 1.8.2
8	*/
9
10	namespace LiteSpeed;
11
12	defined('WPINC') \|\| exit();
13
14	class Import extends Base {
15
16	protected $_summary;
17
18	const TYPE_IMPORT = 'import';
19	const TYPE_EXPORT = 'export';
20	const TYPE_RESET = 'reset';
21
22	/**
23	* Init
24	*
25	* @since 1.8.2
26	*/
27	public function __construct() {
28	Debug2::debug('Import init');
29
30	$this->_summary = self::get_summary();
31	}
32
33	/**
34	* Export settings to file
35	*
36	* @since 1.8.2
37	* @since 7.3 added download content type
38	* @access public
39	*/
40	public function export( $only_data_return = false ) {
41	$raw_data = $this->get_options(true);
42
43	$data = array();
44	foreach ($raw_data as $k => $v) {
45	$data[] = \json_encode(array( $k, $v ));
46	}
47
48	$data = implode("\n\n", $data);
49
50	if ($only_data_return) {
51	return $data;
52	}
53
54	$filename = $this->_generate_filename();
55
56	// Update log
57	$this->_summary['export_file'] = $filename;
58	$this->_summary['export_time'] = time();
59	self::save_summary();
60
61	Debug2::debug('Import: Saved to ' . $filename);
62
63	@header('Content-Type: application/octet-stream');
64	@header('Content-Disposition: attachment; filename=' . $filename);
65	echo $data;
66
67	exit();
68	}
69
70	/**
71	* Import settings from file
72	*
73	* @since 1.8.2
74	* @access public
75	*/
76	public function import( $file = false ) {
77	if (!$file) {
78	if (empty($_FILES['ls_file']['name']) \|\| substr($_FILES['ls_file']['name'], -5) != '.data' \|\| empty($_FILES['ls_file']['tmp_name'])) {
79	Debug2::debug('Import: Failed to import, wrong ls_file');
80
81	$msg = __('Import failed due to file error.', 'litespeed-cache');
82	Admin_Display::error($msg);
83
84	return false;
85	}
86
87	$this->_summary['import_file'] = $_FILES['ls_file']['name'];
88
89	$data = file_get_contents($_FILES['ls_file']['tmp_name']);
90	} else {
91	$this->_summary['import_file'] = $file;
92
93	$data = file_get_contents($file);
94	}
95
96	// Update log
97	$this->_summary['import_time'] = time();
98	self::save_summary();
99
100	$ori_data = array();
101	try {
102	// Check if the data is v4+ or not
103	if (strpos($data, '["_version",') === 0) {
104	Debug2::debug('[Import] Data version: v4+');
105	$data = explode("\n", $data);
106	foreach ($data as $v) {
107	$v = trim($v);
108	if (!$v) {
109	continue;
110	}
111	list($k, $v) = \json_decode($v, true);
112	$ori_data[$k] = $v;
113	}
114	} else {
115	$ori_data = \json_decode(base64_decode($data), true);
116	}
117	} catch (\Exception $ex) {
118	Debug2::debug('[Import] ❌ Failed to parse serialized data');
119	return false;
120	}
121
122	if (!$ori_data) {
123	Debug2::debug('[Import] ❌ Failed to import, no data');
124	return false;
125	} else {
126	Debug2::debug('[Import] Importing data', $ori_data);
127	}
128
129	$this->cls('Conf')->update_confs($ori_data);
130
131	if (!$file) {
132	Debug2::debug('Import: Imported ' . $_FILES['ls_file']['name']);
133
134	$msg = sprintf(__('Imported setting file %s successfully.', 'litespeed-cache'), $_FILES['ls_file']['name']);
135	Admin_Display::success($msg);
136	} else {
137	Debug2::debug('Import: Imported ' . $file);
138	}
139
140	return true;
141	}
142
143	/**
144	* Reset all configs to default values.
145	*
146	* @since 2.6.3
147	* @access public
148	*/
149	public function reset() {
150	$options = $this->cls('Conf')->load_default_vals();
151
152	$this->cls('Conf')->update_confs($options);
153
154	Debug2::debug('[Import] Reset successfully.');
155
156	$msg = __('Reset successfully.', 'litespeed-cache');
157	Admin_Display::success($msg);
158	}
159
160	/**
161	* Generate the filename to export
162	*
163	* @since 1.8.2
164	* @access private
165	*/
166	private function _generate_filename() {
167	// Generate filename
168	$parsed_home = parse_url(get_home_url());
169	$filename = 'LSCWP_cfg-';
170	if (!empty($parsed_home['host'])) {
171	$filename .= $parsed_home['host'] . '_';
172	}
173
174	if (!empty($parsed_home['path'])) {
175	$filename .= $parsed_home['path'] . '_';
176	}
177
178	$filename = str_replace('/', '_', $filename);
179
180	$filename .= '-' . date('Ymd_His') . '.data';
181
182	return $filename;
183	}
184
185	/**
186	* Handle all request actions from main cls
187	*
188	* @since 1.8.2
189	* @access public
190	*/
191	public function handler() {
192	$type = Router::verify_type();
193
194	switch ($type) {
195	case self::TYPE_IMPORT:
196	$this->import();
197	break;
198
199	case self::TYPE_EXPORT:
200	$this->export();
201	break;
202
203	case self::TYPE_RESET:
204	$this->reset();
205	break;
206
207	default:
208	break;
209	}
210
211	Admin::redirect();
212	}
213	}
214