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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Admin log entity class. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Thorsten Rinne <thorsten@phpmyfaq.de> |
| 12 | * @copyright 2024-2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2024-03-24 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Entity; |
| 21 | |
| 22 | class AdminLog |
| 23 | { |
| 24 | private int $id = 0; |
| 25 | |
| 26 | private int $time = 0; |
| 27 | |
| 28 | private int $userId = 0; |
| 29 | |
| 30 | private string $text = ''; |
| 31 | |
| 32 | private string $ip = ''; |
| 33 | |
| 34 | private ?string $hash = null; |
| 35 | private ?string $previousHash = null; |
| 36 | |
| 37 | public function getId(): int |
| 38 | { |
| 39 | return $this->id; |
| 40 | } |
| 41 | |
| 42 | public function setId(int $id): AdminLog |
| 43 | { |
| 44 | $this->id = $id; |
| 45 | return $this; |
| 46 | } |
| 47 | |
| 48 | public function getTime(): int |
| 49 | { |
| 50 | return $this->time; |
| 51 | } |
| 52 | |
| 53 | public function setTime(int $time): AdminLog |
| 54 | { |
| 55 | $this->time = $time; |
| 56 | return $this; |
| 57 | } |
| 58 | |
| 59 | public function getUserId(): int |
| 60 | { |
| 61 | return $this->userId; |
| 62 | } |
| 63 | |
| 64 | public function setUserId(int $userId): AdminLog |
| 65 | { |
| 66 | $this->userId = $userId; |
| 67 | return $this; |
| 68 | } |
| 69 | |
| 70 | public function getText(): string |
| 71 | { |
| 72 | return $this->text; |
| 73 | } |
| 74 | |
| 75 | public function setText(string $text): AdminLog |
| 76 | { |
| 77 | $this->text = $text; |
| 78 | return $this; |
| 79 | } |
| 80 | |
| 81 | public function getIp(): string |
| 82 | { |
| 83 | return $this->ip; |
| 84 | } |
| 85 | |
| 86 | public function setIp(string $ip): AdminLog |
| 87 | { |
| 88 | $this->ip = $ip; |
| 89 | return $this; |
| 90 | } |
| 91 | |
| 92 | public function getHash(): ?string |
| 93 | { |
| 94 | return $this->hash; |
| 95 | } |
| 96 | |
| 97 | public function setHash(?string $hash): AdminLog |
| 98 | { |
| 99 | $this->hash = $hash; |
| 100 | return $this; |
| 101 | } |
| 102 | |
| 103 | public function getPreviousHash(): ?string |
| 104 | { |
| 105 | return $this->previousHash; |
| 106 | } |
| 107 | |
| 108 | public function setPreviousHash(?string $previousHash): AdminLog |
| 109 | { |
| 110 | $this->previousHash = $previousHash; |
| 111 | return $this; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Calculates SHA-256 hash over all log data. |
| 116 | * Note: ID is not included because it's auto-generated after INSERT |
| 117 | * @return string 64-character hex hash |
| 118 | */ |
| 119 | public function calculateHash(): string |
| 120 | { |
| 121 | $data = implode('|', [ |
| 122 | (string) $this->time, |
| 123 | (string) $this->userId, |
| 124 | $this->ip, |
| 125 | $this->text, |
| 126 | $this->previousHash ?? '', |
| 127 | ]); |
| 128 | |
| 129 | return hash('sha256', $data); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Verifies if the stored hash matches the calculated hash. |
| 134 | * @return bool True if the hash is valid, false if tampered |
| 135 | */ |
| 136 | public function verifyIntegrity(): bool |
| 137 | { |
| 138 | $storedHash = $this->hash; |
| 139 | if ($storedHash === null) { |
| 140 | return false; |
| 141 | } |
| 142 | |
| 143 | $calculatedHash = $this->calculateHash(); |
| 144 | |
| 145 | return hash_equals($storedHash, $calculatedHash); |
| 146 | } |
| 147 | } |