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                 $vectorCss = file_get_contents( $vectorCssFile );
  93                 $configCss = file_get_contents( $configCssFile );
  94                 wfRestoreWarnings();
  95                 $css = str_replace( 'images/', '../skins/vector/images/', $vectorCss ) . "\n" . str_replace( 'images/', '../skins/common/images/', $configCss );
  96                 if( !$css ) {
  97                         return "/** Your webserver cannot read $vectorCssFile or $configCssFile, please check file permissions */";
  98                 } elseif( $dir == 'rtl' ) {
  99                         $css = CSSJanus::transform( $css, true );
 100                 }
 101                 return $css;
 102         }
 103
 104         /**
 105          * URL for index.php?css=foobar
 106          * @return String
 107          */
 108         private function getCssUrl( ) {
 109                 return $_SERVER['PHP_SELF'] . '?css=' . $this->getDir();
 110         }
 111
 112         public function useShortHeader( $use = true ) {
 113                 $this->useShortHeader = $use;
 114         }
 115
 116         public function flush() {
 117                 if ( !$this->headerDone ) {
 118                         $this->outputHeader();
 119                 }
 120                 if ( !$this->redirectTarget && strlen( $this->contents ) ) {
 121                         echo $this->contents;
 122                         flush();
 123                         $this->contents = '';
 124                 }
 125         }
 126
 127         public function getDir() {
 128                 global $wgLang;
 129                 if( !is_object( $wgLang ) || !$wgLang->isRtl() )
 130                         return 'ltr';
 131                 else
 132                         return 'rtl';
 133         }
 134
 135         public function getLanguageCode() {
 136                 global $wgLang;
 137                 if( !is_object( $wgLang ) )
 138                         return 'en';
 139                 else
 140                         return $wgLang->getCode();
 141         }
 142
 143         public function getHeadAttribs() {
 144                 return array(
 145                         'dir' => $this->getDir(),
 146                         'lang' => $this->getLanguageCode(),
 147                 );
 148         }
 149
 150         /**
 151          * Get whether the header has been output
 152          * @return bool
 153          */
 154         public function headerDone() {
 155                 return $this->headerDone;
 156         }
 157
 158         public function outputHeader() {
 159                 $this->headerDone = true;
 160                 $dbTypes = $this->parent->getDBTypes();
 161
 162                 $this->parent->request->response()->header("Content-Type: text/html; charset=utf-8");
 163                 if ( $this->redirectTarget ) {
 164                         $this->parent->request->response()->header( 'Location: '.$this->redirectTarget );
 165                         return;
 166                 }
 167
 168                 if ( $this->useShortHeader ) {
 169                         $this->outputShortHeader();
 170                         return;
 171                 }
 172
 173 ?>
 174 <?php echo Html::htmlHeader( $this->getHeadAttribs() ); ?>
 175 <head>
 176         <meta name="robots" content="noindex, nofollow" />
 177         <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
 178         <title><?php $this->outputTitle(); ?></title>
 179         <?php echo Html::linkedStyle( '../skins/common/shared.css' ) . "\n"; ?>
 180         <?php echo Html::linkedStyle( $this->getCssUrl() ) . "\n"; ?>
 181         <?php echo Html::inlineScript(  "var dbTypes = " . Xml::encodeJsVar( $dbTypes ) ) . "\n"; ?>
 182         <?php echo $this->getJQuery() . "\n"; ?>
 183         <?php echo $this->getJQueryTipsy() . "\n"; ?>
 184         <?php echo Html::linkedScript( '../skins/common/config.js' ) . "\n"; ?>
 185 </head>
 186
 187 <?php echo Html::openElement( 'body', array( 'class' => $this->getDir() ) ) . "\n"; ?>
 188 <div id="mw-page-base"></div>
 189 <div id="mw-head-base"></div>
 190 <div id="content">
 191 <div id="bodyContent">
 192
 193 <h1><?php $this->outputTitle(); ?></h1>
 194 <?php
 195         }
 196
 197         public function outputFooter() {
 198                 if ( $this->useShortHeader ) {
 199 ?>
 200 </body></html>
 201 <?php
 202                         return;
 203                 }
 204 ?>
 205
 206 </div></div>
 207
 208
 209 <div id="mw-panel">
 210         <div class="portal" id="p-logo">
 211           <a style="background-image: url(../skins/common/images/mediawiki.png);"
 212             href="http://www.mediawiki.org/"
 213             title="Main Page"></a>
 214         </div>
 215         <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
 216         <div class="portal"><div class="body">
 217 <?php
 218         echo $this->parent->parse( wfMsgNoTrans( 'config-sidebar' ), true );
 219 ?>
 220         </div></div>
 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 }