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1 | <?php |
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2 | /** |
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3 | * Implements the LayeredParameterizedPassword class for the MediaWiki software. |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License along |
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16 | * with this program; if not, write to the Free Software Foundation, Inc., |
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17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 | * http://www.gnu.org/copyleft/gpl.html |
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19 | * |
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20 | * @file |
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21 | */ |
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22 | |||
23 | /** |
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24 | * This password hash type layers one or more parameterized password types |
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25 | * on top of each other. |
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26 | * |
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27 | * The underlying types must be parameterized. This wrapping type accumulates |
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28 | * all the parameters and arguments from each hash and then passes the hash of |
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29 | * the last layer as the password for the next layer. |
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30 | * |
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31 | * @since 1.24 |
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32 | */ |
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33 | class LayeredParameterizedPassword extends ParameterizedPassword { |
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34 | protected function getDelimiter() { |
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35 | return '!'; |
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36 | } |
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37 | |||
38 | protected function getDefaultParams() { |
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39 | $params = []; |
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40 | |||
41 | foreach ( $this->config['types'] as $type ) { |
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42 | $passObj = $this->factory->newFromType( $type ); |
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43 | |||
44 | if ( !$passObj instanceof ParameterizedPassword ) { |
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45 | throw new MWException( 'Underlying type must be a parameterized password.' ); |
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46 | } elseif ( $passObj->getDelimiter() === $this->getDelimiter() ) { |
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47 | throw new MWException( 'Underlying type cannot use same delimiter as encapsulating type.' ); |
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48 | } |
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49 | |||
50 | $params[] = implode( $passObj->getDelimiter(), $passObj->getDefaultParams() ); |
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51 | } |
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52 | |||
53 | return $params; |
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54 | } |
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55 | |||
56 | public function crypt( $password ) { |
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57 | $lastHash = $password; |
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58 | View Code Duplication | foreach ( $this->config['types'] as $i => $type ) { |
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59 | // Construct pseudo-hash based on params and arguments |
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60 | /** @var ParameterizedPassword $passObj */ |
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61 | $passObj = $this->factory->newFromType( $type ); |
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62 | |||
63 | $params = ''; |
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64 | $args = ''; |
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65 | if ( $this->params[$i] !== '' ) { |
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66 | $params = $this->params[$i] . $passObj->getDelimiter(); |
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67 | } |
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68 | if ( isset( $this->args[$i] ) && $this->args[$i] !== '' ) { |
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69 | $args = $this->args[$i] . $passObj->getDelimiter(); |
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70 | } |
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71 | $existingHash = ":$type:" . $params . $args . $this->hash; |
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72 | |||
73 | // Hash the last hash with the next type in the layer |
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74 | $passObj = $this->factory->newFromCiphertext( $existingHash ); |
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75 | $passObj->crypt( $lastHash ); |
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76 | |||
77 | // Move over the params and args |
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78 | $this->params[$i] = implode( $passObj->getDelimiter(), $passObj->params ); |
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0 ignored issues
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79 | $this->args[$i] = implode( $passObj->getDelimiter(), $passObj->args ); |
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0 ignored issues
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show
The property
args does not seem to exist in Password .
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.
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80 | $lastHash = $passObj->hash; |
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81 | } |
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82 | |||
83 | $this->hash = $lastHash; |
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84 | } |
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85 | |||
86 | /** |
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87 | * Finish the hashing of a partially hashed layered hash |
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88 | * |
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89 | * Given a password hash that is hashed using the first layer of this object's |
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90 | * configuration, perform the remaining layers of password hashing in order to |
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91 | * get an updated hash with all the layers. |
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92 | * |
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93 | * @param ParameterizedPassword $passObj Password hash of the first layer |
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94 | * |
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95 | * @throws MWException If the first parameter is not of the correct type |
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96 | */ |
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97 | public function partialCrypt( ParameterizedPassword $passObj ) { |
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98 | $type = $passObj->config['type']; |
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99 | if ( $type !== $this->config['types'][0] ) { |
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100 | throw new MWException( 'Only a hash in the first layer can be finished.' ); |
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101 | } |
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102 | |||
103 | // Gather info from the existing hash |
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104 | $this->params[0] = implode( $passObj->getDelimiter(), $passObj->params ); |
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105 | $this->args[0] = implode( $passObj->getDelimiter(), $passObj->args ); |
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106 | $lastHash = $passObj->hash; |
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107 | |||
108 | // Layer the remaining types |
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109 | View Code Duplication | foreach ( $this->config['types'] as $i => $type ) { |
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110 | if ( $i == 0 ) { |
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111 | continue; |
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112 | }; |
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113 | |||
114 | // Construct pseudo-hash based on params and arguments |
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115 | /** @var ParameterizedPassword $passObj */ |
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116 | $passObj = $this->factory->newFromType( $type ); |
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117 | |||
118 | $params = ''; |
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119 | $args = ''; |
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120 | if ( $this->params[$i] !== '' ) { |
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121 | $params = $this->params[$i] . $passObj->getDelimiter(); |
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122 | } |
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123 | if ( isset( $this->args[$i] ) && $this->args[$i] !== '' ) { |
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124 | $args = $this->args[$i] . $passObj->getDelimiter(); |
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125 | } |
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126 | $existingHash = ":$type:" . $params . $args . $this->hash; |
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127 | |||
128 | // Hash the last hash with the next type in the layer |
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129 | $passObj = $this->factory->newFromCiphertext( $existingHash ); |
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130 | $passObj->crypt( $lastHash ); |
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131 | |||
132 | // Move over the params and args |
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133 | $this->params[$i] = implode( $passObj->getDelimiter(), $passObj->params ); |
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0 ignored issues
–
show
The property
params does not seem to exist in Password .
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.
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134 | $this->args[$i] = implode( $passObj->getDelimiter(), $passObj->args ); |
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0 ignored issues
–
show
The property
args does not seem to exist in Password .
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.
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135 | $lastHash = $passObj->hash; |
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136 | } |
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137 | |||
138 | $this->hash = $lastHash; |
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139 | } |
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140 | } |
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141 |
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name.
If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.