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1 | <?php |
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2 | /** |
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3 | * |
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4 | * |
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5 | * Created on Sep 7, 2007 |
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6 | * |
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7 | * Copyright © 2007 Roan Kattouw "<Firstname>.<Lastname>@gmail.com" |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License along |
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20 | * with this program; if not, write to the Free Software Foundation, Inc., |
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21 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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22 | * http://www.gnu.org/copyleft/gpl.html |
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23 | * |
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24 | * @file |
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25 | */ |
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26 | |||
27 | /** |
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28 | * API module that facilitates the unblocking of users. Requires API write mode |
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29 | * to be enabled. |
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30 | * |
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31 | * @ingroup API |
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32 | */ |
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33 | class ApiUnblock extends ApiBase { |
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34 | |||
35 | /** |
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36 | * Unblocks the specified user or provides the reason the unblock failed. |
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37 | */ |
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38 | public function execute() { |
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39 | $user = $this->getUser(); |
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40 | $params = $this->extractRequestParams(); |
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41 | |||
42 | if ( is_null( $params['id'] ) && is_null( $params['user'] ) ) { |
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43 | $this->dieUsageMsg( 'unblock-notarget' ); |
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44 | } |
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45 | if ( !is_null( $params['id'] ) && !is_null( $params['user'] ) ) { |
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46 | $this->dieUsageMsg( 'unblock-idanduser' ); |
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47 | } |
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48 | |||
49 | if ( !$user->isAllowed( 'block' ) ) { |
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50 | $this->dieUsageMsg( 'cantunblock' ); |
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51 | } |
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52 | # bug 15810: blocked admins should have limited access here |
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53 | View Code Duplication | if ( $user->isBlocked() ) { |
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54 | $status = SpecialBlock::checkUnblockSelf( $params['user'], $user ); |
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55 | if ( $status !== true ) { |
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56 | $msg = $this->parseMsg( $status ); |
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57 | $this->dieUsage( |
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58 | $msg['info'], |
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59 | $msg['code'], |
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60 | 0, |
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61 | [ 'blockinfo' => ApiQueryUserInfo::getBlockInfo( $user->getBlock() ) ] |
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62 | ); |
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63 | } |
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64 | } |
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65 | |||
66 | // Check if user can add tags |
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67 | View Code Duplication | if ( !is_null( $params['tags'] ) ) { |
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68 | $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $user ); |
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69 | if ( !$ableToTag->isOK() ) { |
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70 | $this->dieStatus( $ableToTag ); |
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71 | } |
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72 | } |
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73 | |||
74 | $data = [ |
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75 | 'Target' => is_null( $params['id'] ) ? $params['user'] : "#{$params['id']}", |
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76 | 'Reason' => $params['reason'], |
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77 | 'Tags' => $params['tags'] |
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78 | ]; |
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79 | $block = Block::newFromTarget( $data['Target'] ); |
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80 | $retval = SpecialUnblock::processUnblock( $data, $this->getContext() ); |
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81 | if ( $retval !== true ) { |
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82 | $this->dieUsageMsg( $retval[0] ); |
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83 | } |
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84 | |||
85 | $res['id'] = $block->getId(); |
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86 | $target = $block->getType() == Block::TYPE_AUTO ? '' : $block->getTarget(); |
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87 | $res['user'] = $target instanceof User ? $target->getName() : $target; |
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88 | $res['userid'] = $target instanceof User ? $target->getId() : 0; |
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89 | $res['reason'] = $params['reason']; |
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90 | $this->getResult()->addValue( null, $this->getModuleName(), $res ); |
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91 | } |
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92 | |||
93 | public function mustBePosted() { |
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94 | return true; |
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95 | } |
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96 | |||
97 | public function isWriteMode() { |
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98 | return true; |
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99 | } |
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100 | |||
101 | View Code Duplication | public function getAllowedParams() { |
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102 | return [ |
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103 | 'id' => [ |
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104 | ApiBase::PARAM_TYPE => 'integer', |
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105 | ], |
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106 | 'user' => null, |
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107 | 'reason' => '', |
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108 | 'tags' => [ |
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109 | ApiBase::PARAM_TYPE => 'tags', |
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110 | ApiBase::PARAM_ISMULTI => true, |
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111 | ], |
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112 | ]; |
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113 | } |
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114 | |||
115 | public function needsToken() { |
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116 | return 'csrf'; |
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117 | } |
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118 | |||
119 | protected function getExamplesMessages() { |
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120 | return [ |
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121 | 'action=unblock&id=105' |
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122 | => 'apihelp-unblock-example-id', |
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123 | 'action=unblock&user=Bob&reason=Sorry%20Bob' |
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124 | => 'apihelp-unblock-example-user', |
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125 | ]; |
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126 | } |
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127 | |||
128 | public function getHelpUrls() { |
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129 | return 'https://www.mediawiki.org/wiki/API:Block'; |
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130 | } |
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131 | } |
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132 |
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.