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Rev | Author | Line No. | Line |
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1088 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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5 | * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft |
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6 | * |
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7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
20 | namespace ViaThinkSoft\OIDplus; |
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21 | |||
22 | // phpcs:disable PSR1.Files.SideEffects |
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23 | \defined('INSIDE_OIDPLUS') or die; |
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24 | // phpcs:enable PSR1.Files.SideEffects |
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25 | |||
26 | class OIDplusAuthPluginArgon2 extends OIDplusAuthPlugin { |
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27 | |||
1116 | daniel-mar | 28 | /** |
1212 | daniel-mar | 29 | * @return string |
30 | */ |
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31 | public function id(): string { |
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32 | return 'A4_argon2'; |
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33 | } |
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34 | |||
35 | /** |
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1116 | daniel-mar | 36 | * @param bool $html |
37 | * @return void |
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38 | */ |
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39 | public function init(bool $html=true) { |
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1088 | daniel-mar | 40 | // TODO: Let the admin decide about the memory, iterations, and parallelism options |
41 | } |
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42 | |||
1116 | daniel-mar | 43 | /** |
44 | * @param string $authKey |
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45 | * @return bool |
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46 | */ |
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47 | private function supportedCryptAlgo(string $authKey): bool { |
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1088 | daniel-mar | 48 | return str_starts_with($authKey, '$argon2i$') || |
49 | str_starts_with($authKey, '$argon2id$'); |
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50 | } |
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51 | |||
1116 | daniel-mar | 52 | /** |
53 | * @param OIDplusRAAuthInfo $authInfo |
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54 | * @param string $check_password |
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55 | * @return bool |
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56 | */ |
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57 | public function verify(OIDplusRAAuthInfo $authInfo, string $check_password): bool { |
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1088 | daniel-mar | 58 | $authKey = $authInfo->getAuthKey(); |
59 | |||
60 | if (!$this->supportedCryptAlgo($authKey)) { |
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61 | // Unsupported algorithm |
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62 | return false; |
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63 | } |
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64 | |||
65 | // $argon2i$v=19$m=1024,t=2,p=2$MEhSZkJLQXUxRzljNE5hMw$33pvelMsxqOn/1VV2pnjmKJUECBhilzOZ2+Gq/FxCP4 |
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66 | // \_____/ \__/ \____________/ \____________________/ \_________________________________________/ |
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67 | // Algo Vers Cost options Salt Hash |
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68 | |||
69 | return password_verify($check_password, $authKey); |
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70 | } |
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71 | |||
1116 | daniel-mar | 72 | /** |
73 | * @return string|int|false |
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74 | */ |
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75 | private function getBestHashAlgo() { /* @phpstan-ignore-line */ |
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1088 | daniel-mar | 76 | if ($this->supportsArgon2id()) { |
77 | $hashalgo = PASSWORD_ARGON2ID; |
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78 | } else if ($this->supportsArgon2i()) { |
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79 | $hashalgo = PASSWORD_ARGON2I; |
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80 | } else { |
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81 | $hashalgo = false; |
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82 | } |
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83 | return $hashalgo; |
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84 | } |
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85 | |||
1116 | daniel-mar | 86 | /** |
87 | * @param string $password |
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88 | * @return OIDplusRAAuthInfo |
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89 | * @throws OIDplusException |
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90 | */ |
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91 | public function generate(string $password): OIDplusRAAuthInfo { |
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1088 | daniel-mar | 92 | $hashalgo = $this->getBestHashAlgo(); |
93 | assert($hashalgo !== false); // Should not happen if we called available() before! |
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94 | $calc_authkey = password_hash($password, $hashalgo); |
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95 | if (!$calc_authkey) throw new OIDplusException(_L('Error creating password hash')); |
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96 | assert($this->supportedCryptAlgo($calc_authkey)); |
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1090 | daniel-mar | 97 | return new OIDplusRAAuthInfo($calc_authkey); |
1088 | daniel-mar | 98 | } |
99 | |||
1116 | daniel-mar | 100 | /** |
101 | * @return bool |
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102 | */ |
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1088 | daniel-mar | 103 | private function supportsArgon2i(): bool { |
104 | if (version_compare(PHP_VERSION, '7.4.0') >= 0) { |
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105 | return in_array('argon2i', password_algos()); |
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106 | } else { |
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107 | return defined('PASSWORD_ARGON2I'); |
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108 | } |
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109 | } |
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110 | |||
1116 | daniel-mar | 111 | /** |
112 | * @return bool |
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113 | */ |
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1088 | daniel-mar | 114 | private function supportsArgon2id(): bool { |
115 | if (version_compare(PHP_VERSION, '7.4.0') >= 0) { |
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116 | return in_array('argon2id', password_algos()); |
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117 | } else { |
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118 | return defined('PASSWORD_ARGON2ID'); |
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119 | } |
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120 | } |
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121 | |||
1116 | daniel-mar | 122 | /** |
123 | * @param string $reason |
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124 | * @return bool |
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125 | */ |
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126 | public function availableForHash(string &$reason): bool { |
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1088 | daniel-mar | 127 | if (!$this->supportsArgon2i() && !$this->supportsArgon2id()) { |
128 | $reason = _L('No fitting hash algorithm found'); |
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129 | return false; |
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130 | } else { |
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131 | return true; |
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132 | } |
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133 | } |
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134 | |||
1116 | daniel-mar | 135 | /** |
136 | * @param string $reason |
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137 | * @return bool |
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138 | */ |
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139 | public function availableForVerify(string &$reason): bool { |
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1099 | daniel-mar | 140 | return $this->availableForHash($reason); |
141 | } |
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142 | |||
1088 | daniel-mar | 143 | } |