includes/installer/WebInstallerOutput.php

   1 <?php
   2 /**
   3  * Output handler for the web installer.
   4  *
   5  * @file
   6  * @ingroup Deployment
   7  */
   8
   9 /**
  10  * Output class modelled on OutputPage.
  11  *
  12  * I've opted to use a distinct class rather than derive from OutputPage here in
  13  * the interests of separation of concerns: if we used a subclass, there would be
  14  * quite a lot of things you could do in OutputPage that would break the installer,
  15  * that wouldn't be immediately obvious.
  16  *
  17  * @ingroup Deployment
  18  * @since 1.17
  19  */
  20 class WebInstallerOutput {
  21         /**
  22          * The WebInstaller object this WebInstallerOutput is used by.
  23          *
  24          * @var WebInstaller
  25          */
  26         public $parent;
  27
  28         /**
  29          * Buffered contents that haven't been output yet
  30          * @var String
  31          */
  32         private $contents = '';
  33
  34         /**
  35          * Has the header (or short header) been output?
  36          * @var bool
  37          */
  38         private $headerDone = false;
  39
  40         public $redirectTarget;
  41
  42         /**
  43          * Whether to use the limited header (used during CC license callbacks)
  44          * @var bool
  45          */
  46         private $useShortHeader = false;
  47
  48         /**
  49          * Constructor.
  50          *
  51          * @param $parent WebInstaller
  52          */
  53         public function __construct( WebInstaller $parent ) {
  54                 $this->parent = $parent;
  55         }
  56
  57         public function addHTML( $html ) {
  58                 $this->contents .= $html;
  59                 $this->flush();
  60         }
  61
  62         public function addWikiText( $text ) {
  63                 $this->addHTML( $this->parent->parse( $text ) );
  64         }
  65
  66         public function addHTMLNoFlush( $html ) {
  67                 $this->contents .= $html;
  68         }
  69
  70         public function redirect( $url ) {
  71                 if ( $this->headerDone ) {
  72                         throw new MWException( __METHOD__ . ' called after sending headers' );
  73                 }
  74                 $this->redirectTarget = $url;
  75         }
  76
  77         public function output() {
  78                 $this->flush();
  79                 $this->outputFooter();
  80         }
  81
  82         /**
  83          * Get the raw vector CSS, flipping if needed
  84          * @param $dir String 'ltr' or 'rtl'
  85          * @return String
  86          */
  87         public function getCSS( $dir ) {
  88                 $skinDir = dirname( dirname( dirname( __FILE__ ) ) ) . '/skins';
  89                 $vectorCssFile = "$skinDir/vector/screen.css";
  90                 $configCssFile = "$skinDir/common/config.css";
  91                 wfSuppressWarnings();
  92                 $css = file_get_contents( $vectorCssFile ) . "\n" . file_get_contents( $configCssFile );
  93                 wfRestoreWarnings();
  94                 if( !$css ) {
  95                         return "/** Your webserver cannot read $vectorCssFile or $configCssFile, please check file permissions */";
  96                 } elseif( $dir == 'rtl' ) {
  97                         $css = CSSJanus::transform( $css, true );
  98                 }
  99                 return str_replace( 'images/', '../skins/vector/images/', $css );
 100         }
 101
 102         /**
 103          * URL for index.php?css=foobar
 104          * @return String
 105          */
 106         private function getCssUrl( ) {
 107                 return $_SERVER['PHP_SELF'] . '?css=' . $this->getDir();
 108         }
 109
 110         public function useShortHeader( $use = true ) {
 111                 $this->useShortHeader = $use;
 112         }
 113
 114         public function flush() {
 115                 if ( !$this->headerDone ) {
 116                         $this->outputHeader();
 117                 }
 118                 if ( !$this->redirectTarget && strlen( $this->contents ) ) {
 119                         echo $this->contents;
 120                         flush();
 121                         $this->contents = '';
 122                 }
 123         }
 124
 125         public function getDir() {
 126                 global $wgLang;
 127                 if( !is_object( $wgLang ) || !$wgLang->isRtl() )
 128                         return 'ltr';
 129                 else
 130                         return 'rtl';
 131         }
 132
 133         public function getLanguageCode() {
 134                 global $wgLang;
 135                 if( !is_object( $wgLang ) )
 136                         return 'en';
 137                 else
 138                         return $wgLang->getCode();
 139         }
 140
 141         public function getHeadAttribs() {
 142                 return array(
 143                         'dir' => $this->getDir(),
 144                         'lang' => $this->getLanguageCode(),
 145                 );
 146         }
 147
 148         /**
 149          * Get whether the header has been output
 150          * @return bool
 151          */
 152         public function headerDone() {
 153                 return $this->headerDone;
 154         }
 155
 156         public function outputHeader() {
 157                 $this->headerDone = true;
 158                 $dbTypes = $this->parent->getDBTypes();
 159
 160                 $this->parent->request->response()->header("Content-Type: text/html; charset=utf-8");
 161                 if ( $this->redirectTarget ) {
 162                         $this->parent->request->response()->header( 'Location: '.$this->redirectTarget );
 163                         return;
 164                 }
 165
 166                 if ( $this->useShortHeader ) {
 167                         $this->outputShortHeader();
 168                         return;
 169                 }
 170
 171 ?>
 172 <?php echo Html::htmlHeader( $this->getHeadAttribs() ); ?>
 173 <head>
 174         <meta name="robots" content="noindex, nofollow" />
 175         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 176         <title><?php $this->outputTitle(); ?></title>
 177         <?php echo Html::linkedStyle( '../skins/common/shared.css' ) . "\n"; ?>
 178         <?php echo Html::linkedStyle( $this->getCssUrl() ) . "\n"; ?>
 179         <?php echo Html::inlineScript(  "var dbTypes = " . Xml::encodeJsVar( $dbTypes ) ) . "\n"; ?>
 180         <?php echo $this->getJQuery() . "\n"; ?>
 181         <?php echo $this->getJQueryTipsy() . "\n"; ?>
 182         <?php echo Html::linkedScript( '../skins/common/config.js' ) . "\n"; ?>
 183 </head>
 184
 185 <?php echo Html::openElement( 'body', array( 'class' => $this->getDir() ) ) . "\n"; ?>
 186 <div id="mw-page-base">
 187 <div id="mw-head-base">
 188 <div id="content">
 189 <div id="bodyContent">
 190
 191 <h1><?php $this->outputTitle(); ?></h1>
 192 <?php
 193         }
 194
 195         public function outputFooter() {
 196                 if ( $this->useShortHeader ) {
 197 ?>
 198 </body></html>
 199 <?php
 200                         return;
 201                 }
 202 ?>
 203
 204 </div></div></div>
 205
 206
 207 <div id="column-one">
 208         <div class="portlet" id="p-logo">
 209           <a style="background-image: url(../skins/common/images/mediawiki.png);"
 210             href="http://www.mediawiki.org/"
 211             title="Main Page"></a>
 212         </div>
 213         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
 214         <div class='portlet'><div class='pBody'>
 215 <?php
 216         echo $this->parent->parse( wfMsgNoTrans( 'config-sidebar' ), true );
 217 ?>
 218         </div></div>
 219 </div>
 220
 221 </div>
 222
 223 </body>
 224 </html>
 225 <?php
 226         }
 227
 228         public function outputShortHeader() {
 229 ?>
 230 <?php echo Html::htmlHeader( $this->getHeadAttribs() ); ?>
 231 <head>
 232         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 233         <meta name="robots" content="noindex, nofollow" />
 234         <title><?php $this->outputTitle(); ?></title>
 235         <?php echo Html::linkedStyle( $this->getCssUrl() ) . "\n"; ?>
 236         <?php echo $this->getJQuery(); ?>
 237         <?php echo $this->getJQueryTipsy() . "\n"; ?>
 238         <?php echo Html::linkedScript( '../skins/common/config.js' ); ?>
 239 </head>
 240
 241 <body style="background-image: none">
 242 <?php
 243         }
 244
 245         public function outputTitle() {
 246                 global $wgVersion;
 247                 echo htmlspecialchars( wfMsg( 'config-title', $wgVersion ) );
 248         }
 249
 250         public function getJQuery() {
 251                 return Html::linkedScript( "../resources/jquery/jquery.js" );
 252         }
 253         public function getJQueryTipsy() {
 254                 return Html::linkedScript( "../resources/jquery/jquery.tipsy.js" );
 255         }
 256 }