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1 | <?php |
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2 | /** |
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3 | * Output handler for the web installer. |
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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 | * @ingroup Deployment |
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22 | */ |
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23 | |||
24 | /** |
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25 | * Output class modelled on OutputPage. |
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26 | * |
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27 | * I've opted to use a distinct class rather than derive from OutputPage here in |
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28 | * the interests of separation of concerns: if we used a subclass, there would be |
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29 | * quite a lot of things you could do in OutputPage that would break the installer, |
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30 | * that wouldn't be immediately obvious. |
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31 | * |
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32 | * @ingroup Deployment |
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33 | * @since 1.17 |
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34 | */ |
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35 | class WebInstallerOutput { |
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36 | |||
37 | /** |
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38 | * The WebInstaller object this WebInstallerOutput is used by. |
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39 | * |
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40 | * @var WebInstaller |
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41 | */ |
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42 | public $parent; |
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43 | |||
44 | /** |
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45 | * Buffered contents that haven't been output yet |
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46 | * @var string |
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47 | */ |
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48 | private $contents = ''; |
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49 | |||
50 | /** |
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51 | * Has the header (or short header) been output? |
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52 | * @var bool |
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53 | */ |
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54 | private $headerDone = false; |
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55 | |||
56 | /** |
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57 | * @var string |
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58 | */ |
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59 | public $redirectTarget; |
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60 | |||
61 | /** |
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62 | * Does the current page need to allow being used as a frame? |
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63 | * If not, X-Frame-Options will be output to forbid it. |
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64 | * |
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65 | * @var bool |
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66 | */ |
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67 | public $allowFrames = false; |
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68 | |||
69 | /** |
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70 | * Whether to use the limited header (used during CC license callbacks) |
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71 | * @var bool |
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72 | */ |
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73 | private $useShortHeader = false; |
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74 | |||
75 | /** |
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76 | * @param WebInstaller $parent |
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77 | */ |
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78 | public function __construct( WebInstaller $parent ) { |
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79 | $this->parent = $parent; |
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80 | } |
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81 | |||
82 | /** |
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83 | * @param string $html |
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84 | */ |
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85 | public function addHTML( $html ) { |
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86 | $this->contents .= $html; |
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87 | $this->flush(); |
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88 | } |
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89 | |||
90 | /** |
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91 | * @param string $text |
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92 | */ |
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93 | public function addWikiText( $text ) { |
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94 | $this->addHTML( $this->parent->parse( $text ) ); |
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95 | } |
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96 | |||
97 | /** |
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98 | * @param string $html |
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99 | */ |
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100 | public function addHTMLNoFlush( $html ) { |
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101 | $this->contents .= $html; |
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102 | } |
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103 | |||
104 | /** |
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105 | * @param string $url |
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106 | * |
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107 | * @throws MWException |
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108 | */ |
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109 | public function redirect( $url ) { |
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110 | if ( $this->headerDone ) { |
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111 | throw new MWException( __METHOD__ . ' called after sending headers' ); |
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112 | } |
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113 | $this->redirectTarget = $url; |
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114 | } |
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115 | |||
116 | public function output() { |
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117 | $this->flush(); |
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118 | |||
119 | if ( !$this->redirectTarget ) { |
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120 | $this->outputFooter(); |
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121 | } |
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122 | } |
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123 | |||
124 | /** |
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125 | * Get the stylesheet of the MediaWiki skin. |
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126 | * |
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127 | * @return string |
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128 | */ |
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129 | public function getCSS() { |
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130 | global $wgStyleDirectory; |
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131 | |||
132 | $moduleNames = [ |
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133 | // See SkinTemplate::setupSkinUserCss |
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134 | 'mediawiki.legacy.shared', |
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135 | // See Vector::setupSkinUserCss |
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136 | 'mediawiki.skinning.interface', |
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137 | ]; |
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138 | |||
139 | $resourceLoader = new ResourceLoader(); |
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140 | |||
141 | if ( file_exists( "$wgStyleDirectory/Vector/skin.json" ) ) { |
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142 | // Force loading Vector skin if available as a fallback skin |
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143 | // for whatever ResourceLoader wants to have as the default. |
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144 | $registry = new ExtensionRegistry(); |
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145 | $data = $registry->readFromQueue( [ |
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146 | "$wgStyleDirectory/Vector/skin.json" => 1, |
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147 | ] ); |
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148 | if ( isset( $data['globals']['wgResourceModules'] ) ) { |
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149 | $resourceLoader->register( $data['globals']['wgResourceModules'] ); |
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150 | } |
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151 | |||
152 | $moduleNames[] = 'skins.vector.styles'; |
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153 | } |
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154 | |||
155 | $moduleNames[] = 'mediawiki.legacy.config'; |
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156 | |||
157 | $rlContext = new ResourceLoaderContext( $resourceLoader, new FauxRequest( [ |
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158 | 'debug' => 'true', |
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159 | 'lang' => $this->getLanguageCode(), |
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160 | 'only' => 'styles', |
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161 | ] ) ); |
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162 | |||
163 | $styles = []; |
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164 | foreach ( $moduleNames as $moduleName ) { |
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165 | /** @var ResourceLoaderFileModule $module */ |
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166 | $module = $resourceLoader->getModule( $moduleName ); |
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167 | if ( !$module ) { |
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168 | // T98043: Don't fatal, but it won't look as pretty. |
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169 | continue; |
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170 | } |
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171 | |||
172 | // Based on: ResourceLoaderFileModule::getStyles (without the DB query) |
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173 | $styles = array_merge( $styles, ResourceLoader::makeCombinedStyles( |
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174 | $module->readStyleFiles( |
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175 | $module->getStyleFiles( $rlContext ), |
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176 | $module->getFlip( $rlContext ), |
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177 | $rlContext |
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178 | ) ) ); |
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179 | } |
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180 | |||
181 | return implode( "\n", $styles ); |
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182 | } |
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183 | |||
184 | /** |
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185 | * "<link>" to index.php?css=1 for the "<head>" |
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186 | * |
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187 | * @return string |
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188 | */ |
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189 | private function getCssUrl() { |
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190 | return Html::linkedStyle( $_SERVER['PHP_SELF'] . '?css=1' ); |
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191 | } |
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192 | |||
193 | public function useShortHeader( $use = true ) { |
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194 | $this->useShortHeader = $use; |
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195 | } |
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196 | |||
197 | public function allowFrames( $allow = true ) { |
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198 | $this->allowFrames = $allow; |
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199 | } |
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200 | |||
201 | public function flush() { |
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202 | if ( !$this->headerDone ) { |
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203 | $this->outputHeader(); |
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204 | } |
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205 | if ( !$this->redirectTarget && strlen( $this->contents ) ) { |
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206 | echo $this->contents; |
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207 | flush(); |
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208 | $this->contents = ''; |
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209 | } |
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210 | } |
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211 | |||
212 | /** |
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213 | * @return string |
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214 | */ |
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215 | public function getDir() { |
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216 | global $wgLang; |
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217 | |||
218 | return is_object( $wgLang ) ? $wgLang->getDir() : 'ltr'; |
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219 | } |
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220 | |||
221 | /** |
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222 | * @return string |
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223 | */ |
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224 | public function getLanguageCode() { |
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225 | global $wgLang; |
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226 | |||
227 | return is_object( $wgLang ) ? $wgLang->getCode() : 'en'; |
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228 | } |
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229 | |||
230 | /** |
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231 | * @return string[] |
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232 | */ |
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233 | public function getHeadAttribs() { |
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234 | return [ |
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235 | 'dir' => $this->getDir(), |
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236 | 'lang' => wfBCP47( $this->getLanguageCode() ), |
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237 | ]; |
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238 | } |
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239 | |||
240 | /** |
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241 | * Get whether the header has been output |
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242 | * |
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243 | * @return bool |
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244 | */ |
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245 | public function headerDone() { |
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246 | return $this->headerDone; |
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247 | } |
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248 | |||
249 | public function outputHeader() { |
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250 | $this->headerDone = true; |
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251 | $this->parent->request->response()->header( 'Content-Type: text/html; charset=utf-8' ); |
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252 | |||
253 | if ( !$this->allowFrames ) { |
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254 | $this->parent->request->response()->header( 'X-Frame-Options: DENY' ); |
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255 | } |
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256 | |||
257 | if ( $this->redirectTarget ) { |
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258 | $this->parent->request->response()->header( 'Location: ' . $this->redirectTarget ); |
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259 | |||
260 | return; |
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261 | } |
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262 | |||
263 | if ( $this->useShortHeader ) { |
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264 | $this->outputShortHeader(); |
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265 | |||
266 | return; |
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267 | } |
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268 | ?> |
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269 | <?php echo Html::htmlHeader( $this->getHeadAttribs() ); ?> |
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270 | |||
271 | <head> |
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272 | <meta name="robots" content="noindex, nofollow" /> |
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273 | <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> |
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274 | <title><?php $this->outputTitle(); ?></title> |
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275 | <?php echo $this->getCssUrl() . "\n"; ?> |
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276 | <?php echo $this->getJQuery() . "\n"; ?> |
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277 | <?php echo Html::linkedScript( 'config.js' ) . "\n"; ?> |
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278 | </head> |
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279 | |||
280 | <?php echo Html::openElement( 'body', [ 'class' => $this->getDir() ] ) . "\n"; ?> |
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281 | <div id="mw-page-base"></div> |
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282 | <div id="mw-head-base"></div> |
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283 | <div id="content" class="mw-body"> |
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284 | <div id="bodyContent" class="mw-body-content"> |
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285 | |||
286 | <h1><?php $this->outputTitle(); ?></h1> |
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287 | <?php |
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288 | } |
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289 | |||
290 | public function outputFooter() { |
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291 | if ( $this->useShortHeader ) { |
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292 | echo Html::closeElement( 'body' ) . Html::closeElement( 'html' ); |
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293 | |||
294 | return; |
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295 | } |
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296 | ?> |
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297 | |||
298 | </div></div> |
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299 | |||
300 | <div id="mw-panel"> |
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301 | <div class="portal" id="p-logo"> |
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302 | <a style="background-image: url(images/installer-logo.png);" |
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303 | href="https://www.mediawiki.org/" |
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304 | title="Main Page"></a> |
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305 | </div> |
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306 | <?php |
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307 | $message = wfMessage( 'config-sidebar' )->plain(); |
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308 | foreach ( explode( '----', $message ) as $section ) { |
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309 | echo '<div class="portal"><div class="body">'; |
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310 | echo $this->parent->parse( $section, true ); |
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311 | echo '</div></div>'; |
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312 | } |
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313 | ?> |
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314 | </div> |
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315 | |||
316 | <?php |
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317 | echo Html::closeElement( 'body' ) . Html::closeElement( 'html' ); |
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318 | } |
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319 | |||
320 | public function outputShortHeader() { |
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321 | ?> |
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322 | <?php echo Html::htmlHeader( $this->getHeadAttribs() ); ?> |
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323 | <head> |
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324 | <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> |
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325 | <meta name="robots" content="noindex, nofollow" /> |
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326 | <title><?php $this->outputTitle(); ?></title> |
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327 | <?php echo $this->getCssUrl() . "\n"; ?> |
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328 | <?php echo $this->getJQuery(); ?> |
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329 | <?php echo Html::linkedScript( 'config.js' ); ?> |
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330 | </head> |
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331 | |||
332 | <body style="background-image: none"> |
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333 | <?php |
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334 | } |
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335 | |||
336 | public function outputTitle() { |
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337 | global $wgVersion; |
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338 | echo wfMessage( 'config-title', $wgVersion )->escaped(); |
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339 | } |
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340 | |||
341 | /** |
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342 | * @return string |
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343 | */ |
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344 | public function getJQuery() { |
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345 | return Html::linkedScript( "../resources/lib/jquery/jquery.js" ); |
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346 | } |
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347 | |||
348 | } |
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349 |
This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()
can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.