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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Auth; |
| 16 | |
| 17 | /** |
| 18 | * Abstract auth class |
| 19 | * |
| 20 | * @category Pop |
| 21 | * @package Pop\Auth |
| 22 | * @author Nick Sagona, III <nick@popphp.org> |
| 23 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 24 | * @license https://www.popphp.org/license New BSD License |
| 25 | * @version 5.0.0 |
| 26 | */ |
| 27 | abstract class AbstractAuth implements AuthInterface |
| 28 | { |
| 29 | |
| 30 | /** |
| 31 | * Constant for auth result |
| 32 | * @var int |
| 33 | */ |
| 34 | const NOT_VALID = 0; |
| 35 | const VALID = 1; |
| 36 | |
| 37 | /** |
| 38 | * Authentication result |
| 39 | * @var int |
| 40 | */ |
| 41 | protected int $result = 0; |
| 42 | |
| 43 | /** |
| 44 | * Whether the last verified hash should be rehashed |
| 45 | * @var bool |
| 46 | */ |
| 47 | protected bool $needsRehash = false; |
| 48 | |
| 49 | /** |
| 50 | * Authentication username |
| 51 | * @var ?string |
| 52 | */ |
| 53 | protected ?string $username = null; |
| 54 | |
| 55 | /** |
| 56 | * Authentication password |
| 57 | * @var ?string |
| 58 | */ |
| 59 | protected ?string $password = null; |
| 60 | |
| 61 | /** |
| 62 | * Get the authentication result |
| 63 | * |
| 64 | * @return int |
| 65 | */ |
| 66 | public function getResult(): int |
| 67 | { |
| 68 | return $this->result; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Determine if the authentication attempt was successful |
| 73 | * |
| 74 | * @return bool |
| 75 | */ |
| 76 | public function isAuthenticated(): bool |
| 77 | { |
| 78 | return ($this->result == 1); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Determine if the last verified hash should be rehashed |
| 83 | * |
| 84 | * @return bool |
| 85 | */ |
| 86 | public function needsRehash(): bool |
| 87 | { |
| 88 | return $this->needsRehash; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Get the username |
| 93 | * |
| 94 | * @return ?string |
| 95 | */ |
| 96 | public function getUsername(): ?string |
| 97 | { |
| 98 | return $this->username; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Get the password |
| 103 | * |
| 104 | * @return ?string |
| 105 | */ |
| 106 | public function getPassword(): ?string |
| 107 | { |
| 108 | return $this->password; |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Set the username |
| 113 | * |
| 114 | * @param string $username |
| 115 | * @return AbstractAuth |
| 116 | */ |
| 117 | public function setUsername(string $username): AbstractAuth |
| 118 | { |
| 119 | $this->username = $username; |
| 120 | return $this; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Set the password |
| 125 | * |
| 126 | * @param string $password |
| 127 | * @return AbstractAuth |
| 128 | */ |
| 129 | public function setPassword(string $password): AbstractAuth |
| 130 | { |
| 131 | $this->password = $password; |
| 132 | return $this; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Method to verify a password against a hash |
| 137 | * |
| 138 | * @param string $password |
| 139 | * @param string $hash |
| 140 | * @return bool |
| 141 | */ |
| 142 | public function verify(string $password, string $hash): bool |
| 143 | { |
| 144 | $info = password_get_info($hash); |
| 145 | $isUnhashed = (($info['algo'] == 0) && ($info['algoName'] == 'unknown')); |
| 146 | $result = $isUnhashed ? hash_equals($hash, $password) : password_verify($password, $hash); |
| 147 | |
| 148 | $this->needsRehash = $result && ($isUnhashed || password_needs_rehash($hash, PASSWORD_DEFAULT)); |
| 149 | |
| 150 | return $result; |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Method to authenticate |
| 155 | * |
| 156 | * @param string $credential |
| 157 | * @param ?string $secondary |
| 158 | * @return int |
| 159 | */ |
| 160 | abstract public function authenticate(string $credential, ?string $secondary = null): int; |
| 161 | |
| 162 | } |