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1 | <?php |
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2 | /** |
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3 | * Edit rollback user interface |
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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 |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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18 | * |
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19 | * @file |
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20 | * @ingroup Actions |
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21 | */ |
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22 | |||
23 | /** |
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24 | * User interface for the rollback action |
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25 | * |
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26 | * @ingroup Actions |
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27 | */ |
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28 | class RollbackAction extends FormlessAction { |
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29 | |||
30 | public function getName() { |
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31 | return 'rollback'; |
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32 | } |
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33 | |||
34 | public function getRestriction() { |
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35 | return 'rollback'; |
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36 | } |
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37 | |||
38 | /** |
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39 | * Temporarily unused message keys due to T88044/T136375: |
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40 | * - confirm-rollback-top |
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41 | * - confirm-rollback-button |
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42 | * - rollbackfailed |
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43 | * - rollback-missingparam |
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44 | */ |
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45 | |||
46 | /** |
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47 | * @throws ErrorPageError |
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48 | */ |
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49 | public function onView() { |
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50 | // TODO: use $this->useTransactionalTimeLimit(); when POST only |
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51 | wfTransactionalTimeLimit(); |
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52 | |||
53 | $request = $this->getRequest(); |
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54 | $user = $this->getUser(); |
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55 | $from = $request->getVal( 'from' ); |
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56 | $rev = $this->page->getRevision(); |
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57 | if ( $from === null ) { |
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58 | throw new ErrorPageError( 'rollbackfailed', 'rollback-missingparam' ); |
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59 | } |
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60 | if ( !$rev ) { |
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61 | throw new ErrorPageError( 'rollbackfailed', 'rollback-missingrevision' ); |
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62 | } |
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63 | if ( $from !== $rev->getUserText() ) { |
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64 | throw new ErrorPageError( 'rollbackfailed', 'alreadyrolled', [ |
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65 | $this->getTitle()->getPrefixedText(), |
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66 | $from, |
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67 | $rev->getUserText() |
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68 | ] ); |
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69 | } |
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70 | |||
71 | $data = null; |
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72 | $errors = $this->page->doRollback( |
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73 | $from, |
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74 | $request->getText( 'summary' ), |
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75 | $request->getVal( 'token' ), |
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76 | $request->getBool( 'bot' ), |
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77 | $data, |
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78 | $this->getUser() |
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79 | ); |
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80 | |||
81 | if ( in_array( [ 'actionthrottledtext' ], $errors ) ) { |
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82 | throw new ThrottledError; |
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83 | } |
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84 | |||
85 | if ( isset( $errors[0][0] ) && |
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86 | ( $errors[0][0] == 'alreadyrolled' || $errors[0][0] == 'cantrollback' ) |
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87 | ) { |
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88 | $this->getOutput()->setPageTitle( $this->msg( 'rollbackfailed' ) ); |
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89 | $errArray = $errors[0]; |
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90 | $errMsg = array_shift( $errArray ); |
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91 | $this->getOutput()->addWikiMsgArray( $errMsg, $errArray ); |
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92 | |||
93 | if ( isset( $data['current'] ) ) { |
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94 | /** @var Revision $current */ |
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95 | $current = $data['current']; |
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96 | |||
97 | if ( $current->getComment() != '' ) { |
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98 | $this->getOutput()->addHTML( $this->msg( 'editcomment' )->rawParams( |
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99 | Linker::formatComment( $current->getComment() ) )->parse() ); |
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100 | } |
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101 | } |
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102 | |||
103 | return; |
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104 | } |
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105 | |||
106 | # NOTE: Permission errors already handled by Action::checkExecute. |
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107 | if ( $errors == [ [ 'readonlytext' ] ] ) { |
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108 | throw new ReadOnlyError; |
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109 | } |
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110 | |||
111 | # XXX: Would be nice if ErrorPageError could take multiple errors, and/or a status object. |
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112 | # Right now, we only show the first error |
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113 | foreach ( $errors as $error ) { |
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114 | throw new ErrorPageError( 'rollbackfailed', $error[0], array_slice( $error, 1 ) ); |
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115 | } |
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116 | |||
117 | /** @var Revision $current */ |
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118 | $current = $data['current']; |
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119 | $target = $data['target']; |
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120 | $newId = $data['newid']; |
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121 | $this->getOutput()->setPageTitle( $this->msg( 'actioncomplete' ) ); |
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122 | $this->getOutput()->setRobotPolicy( 'noindex,nofollow' ); |
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123 | |||
124 | $old = Linker::revUserTools( $current ); |
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125 | $new = Linker::revUserTools( $target ); |
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126 | $this->getOutput()->addHTML( $this->msg( 'rollback-success' )->rawParams( $old, $new ) |
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127 | ->parseAsBlock() ); |
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128 | |||
129 | if ( $user->getBoolOption( 'watchrollback' ) ) { |
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130 | $user->addWatch( $this->page->getTitle(), User::IGNORE_USER_RIGHTS ); |
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131 | } |
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132 | |||
133 | $this->getOutput()->returnToMain( false, $this->getTitle() ); |
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134 | |||
135 | if ( !$request->getBool( 'hidediff', false ) && |
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136 | !$this->getUser()->getBoolOption( 'norollbackdiff' ) |
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137 | ) { |
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138 | $contentHandler = $current->getContentHandler(); |
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139 | $de = $contentHandler->createDifferenceEngine( |
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140 | $this->getContext(), |
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141 | $current->getId(), |
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142 | $newId, |
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143 | false, |
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144 | true |
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145 | ); |
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146 | $de->showDiff( '', '' ); |
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147 | } |
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148 | return; |
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149 | } |
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150 | |||
151 | protected function getDescription() { |
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152 | return ''; |
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153 | } |
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154 | |||
155 | public function doesWrites() { |
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156 | return true; |
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157 | } |
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158 | } |
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159 |
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: