Edit.php — WP STAGING – WordPress Backup, Restore, Migration & Clone 4.9.2

wp-staging / Backup / Ajax / Edit.php

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Edit.php

165 lines

1	<?php
2
3	namespace WPStaging\Backup\Ajax;
4
5	use WPStaging\Backup\Entity\BackupMetadata;
6	use WPStaging\Backup\Service\BackupMetadataEditor;
7	use WPStaging\Backup\Service\BackupsFinder;
8	use WPStaging\Core\WPStaging;
9	use WPStaging\Framework\Component\AbstractTemplateComponent;
10	use WPStaging\Framework\Filesystem\FileObject;
11	use WPStaging\Framework\TemplateEngine\TemplateEngine;
12	use WPStaging\Framework\Utils\Sanitize;
13
14	class Edit extends AbstractTemplateComponent
15	{
16	/** @var BackupMetadataEditor */
17	private $backupMetadataEditor;
18
19	/** @var BackupsFinder */
20	private $backupsFinder;
21
22	/** @var Sanitize */
23	private $sanitize;
24
25	public function __construct(
26	BackupsFinder $backupsFinder,
27	BackupMetadataEditor $backupMetadataEditor,
28	Sanitize $sanitize,
29	TemplateEngine $templateEngine
30	) {
31	parent::__construct($templateEngine);
32	$this->backupsFinder = $backupsFinder;
33	$this->backupMetadataEditor = $backupMetadataEditor;
34	$this->sanitize = $sanitize;
35	}
36
37	public function render()
38	{
39	if (!$this->canRenderAjax()) {
40	return;
41	}
42
43	$md5 = sanitize_text_field(isset($_POST['md5']) ? $_POST['md5'] : '');
44
45	$name = isset($_POST['name']) ? sanitize_text_field($_POST['name']) : 'Backup';
46
47	$name = substr(sanitize_text_field(html_entity_decode($name)), 0, 100);
48	$name = htmlentities($name, ENT_QUOTES);
49	$name = str_replace('\\\'', '\'', $name);
50	$name = str_replace('\\\"', '\"', $name);
51
52	$notes = isset($_POST['notes']) ? sanitize_textarea_field($_POST['notes']) : '';
53	$notes = substr($notes, 0, 1000);
54
55	if (strlen($md5) !== 32) {
56	wp_send_json([
57	'error' => true,
58	'message' => __('Invalid request.', 'wp-staging'),
59	]);
60	}
61
62	$backups = $this->backupsFinder->findBackups();
63
64	// Early bail: No backups found, nothing to edit
65	if (empty($backups)) {
66	wp_send_json([
67	'error' => true,
68	'message' => __('No backups found, nothing to edit.', 'wp-staging'),
69	]);
70	}
71
72	// Name must not be empty.
73	if (empty($name)) {
74	$name = __('Backup', 'wp-staging');
75	}
76
77	/** @var \SplFileInfo $backup */
78	foreach ($backups as $backup) {
79	if ($md5 === md5($backup->getBasename())) {
80	try {
81	$file = new FileObject($backup->getPathname(), FileObject::MODE_APPEND_AND_READ);
82	$metaData = (new BackupMetadata())->hydrateByFile($file);
83
84	$increment = strlen($name) + strlen($notes);
85
86	if ($metaData->getIsMultipartBackup()) {
87	$this->updateBackupParts($metaData, $name, $notes, $increment);
88	return;
89	}
90
91	$oldNote = $metaData->getNote();
92	$oldNoteLength = 2; // null takes 2 bytes!?
93	if ($oldNote !== null) {
94	$oldNoteLength = strlen($oldNote);
95	}
96
97	$backupSize = $metaData->getBackupSize();
98	$backupSize = $backupSize + $increment - strlen($metaData->getName()) - $oldNoteLength;
99
100	$metaData->setName($name);
101	$metaData->setNote($notes);
102	$metaData->setBackupSize($backupSize);
103
104	$this->backupMetadataEditor->setBackupMetadata($file, $metaData);
105	} catch (\Exception $e) {
106	wp_send_json([
107	'error' => true,
108	/* We might need to translate the error */
109	'message' => esc_html__($e->getMessage(), 'wp-staging'),
110	]);
111	}
112	}
113	}
114
115	wp_send_json(true);
116	}
117
118	/**
119	* @param BackupMetadata $metaData
120	* @param string $name
121	* @param string $notes
122	* @param int $incrementSize
123	*/
124	protected function updateBackupParts($metaData, $name, $notes, $incrementSize)
125	{
126	$backupSize = 0;
127	$backupsDirectory = WPStaging::make(BackupsFinder::class)->getBackupsDirectory();
128	$backupParts = [];
129	foreach ($metaData->getMultipartMetadata()->getBackupParts() as $part) {
130	$backupPart = $backupsDirectory . $part;
131	$partFile = new FileObject($backupPart, FileObject::MODE_APPEND_AND_READ);
132	$partMetadata = (new BackupMetadata())->hydrateByFile($partFile);
133	$partSize = filesize($backupPart);
134
135	$oldNote = $partMetadata->getNote();
136	$oldNoteLength = 2;
137	if ($oldNote !== null) {
138	$oldNoteLength = strlen($oldNote);
139	}
140
141	$partSize = $partSize + $incrementSize - strlen($partMetadata->getName()) - $oldNoteLength;
142	$backupSize += $partSize;
143	$backupParts[] = [
144	'metadata' => $partMetadata,
145	'file' => $partFile,
146	'size' => $partSize,
147	];
148	}
149
150	foreach ($backupParts as $part) {
151	/** @var BackupMetadata $partMetadata */
152	$partMetadata = $part['metadata'];
153	$partMetadata->setName($name);
154	$partMetadata->setNote($notes);
155	$partMetadata->setBackupSize($backupSize);
156
157	$multipartMetadata = $partMetadata->getMultipartMetadata();
158	$multipartMetadata->setPartSize($part['size']);
159	$partMetadata->setMultipartMetadata($multipartMetadata);
160
161	$this->backupMetadataEditor->setBackupMetadata($part['file'], $partMetadata);
162	}
163	}
164	}
165