BackupSigner.php — WP STAGING – WordPress Backups, Restore, Migration & Clone 4.11.1

wp-staging / Backup / Service / BackupSigner.php

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BackupSigner.php

156 lines

1	<?php
2
3	namespace WPStaging\Backup\Service;
4
5	use RuntimeException;
6	use WPStaging\Backup\Dto\Job\JobBackupDataDto;
7	use WPStaging\Backup\Entity\BackupMetadata;
8	use WPStaging\Framework\Filesystem\FileObject;
9
10	class BackupSigner
11	{
12
13	protected $backupMetadataEditor;
14
15
16	protected $jobDataDto;
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20
21	public function __construct(BackupMetadataEditor $backupMetadataEditor)
22	{
23	$this->backupMetadataEditor = $backupMetadataEditor;
24	}
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30	public function setup(JobBackupDataDto $jobDataDto)
31	{
32	$this->jobDataDto = $jobDataDto;
33	}
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38
39	public function signBackup(string $backupFilePath)
40	{
41	$this->signBackupFile($backupFilePath);
42	}
43
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47
48	public function validateSignedBackup(string $backupFilePath)
49	{
50	$this->validateBackupFile($backupFilePath);
51	}
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63
64	protected function signBackupFile(string $backupFilePath, int $backupSize = 0, int $partSize = 0)
65	{
66	clearstatcache();
67	if (!is_file($backupFilePath)) {
68	throw new \RuntimeException('The backup file is invalid: ' . $backupFilePath . '.');
69	}
70
71	$file = new FileObject($backupFilePath, FileObject::MODE_APPEND_AND_READ);
72	$backupMetadata = new BackupMetadata();
73	$backupMetadata = $backupMetadata->hydrateByFile($file);
74
75	if ($backupSize === 0) {
76	$backupSize = $file->getSize();
77
78	$backupSize = $this->reCalcBackupSize($backupSize);
79	}
80
81	$this->jobDataDto->setTotalBackupSize($backupSize);
82	$backupMetadata->setBackupSize($backupSize);
83	$this->signMultiPartMetadata($backupMetadata, $partSize);
84	$this->backupMetadataEditor->setBackupMetadata($file, $backupMetadata);
85	}
86
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93	protected function validateBackupFile(string $backupFilePath, int $backupSize = 0, int $partSize = 0)
94	{
95	clearstatcache();
96	if (!is_file($backupFilePath)) {
97	throw new RuntimeException('The backup file does not exist: ' . $backupFilePath);
98	}
99
100	$file = new FileObject($backupFilePath);
101
102	$backupMetadata = new BackupMetadata();
103	$backupMetadata = $backupMetadata->hydrateByFile($file);
104
105	if ($backupMetadata->getName() !== $this->jobDataDto->getName()) {
106	throw new RuntimeException('Unexpected Name in Metadata.');
107	}
108
109	if ($backupSize === 0) {
110	$backupSize = $file->getSize();
111	}
112
113	if ($backupMetadata->getBackupSize() !== $backupSize) {
114	throw new RuntimeException(sprintf('Unexpected Backup Size in Metadata. Size in Metadata %s, Size in File %s', $backupMetadata->getBackupSize(), $backupSize));
115	}
116
117	$this->validateMultipartMetadata($backupMetadata, $partSize);
118	}
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125	protected function signMultipartMetadata(BackupMetadata $backupMetadata, int $partSize)
126	{
127
128	}
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135	protected function validateMultipartMetadata(BackupMetadata $backupMetadata, int $partSize)
136	{
137
138	}
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151	private function reCalcBackupSize(int $backupSize = 0): int
152	{
153	return $backupSize - 2 + strlen((string)$backupSize);
154	}
155	}
156