includes/installer/WebInstallerOptions.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Deployment
  20  */
  21
  22 class WebInstallerOptions extends WebInstallerPage {
  23
  24         /**
  25          * @return string|null
  26          */
  27         public function execute() {
  28                 global $wgLang;
  29
  30                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
  31                         $this->submitSkins();
  32                         return 'skip';
  33                 }
  34                 if ( $this->parent->request->wasPosted() ) {
  35                         if ( $this->submit() ) {
  36                                 return 'continue';
  37                         }
  38                 }
  39
  40                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
  41                 $this->startForm();
  42                 $this->addHTML(
  43                         # User Rights
  44                         // getRadioSet() builds a set of labeled radio buttons.
  45                         // For grep: The following messages are used as the item labels:
  46                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
  47                         $this->parent->getRadioSet( [
  48                                 'var' => '_RightsProfile',
  49                                 'label' => 'config-profile',
  50                                 'itemLabelPrefix' => 'config-profile-',
  51                                 'values' => array_keys( $this->parent->rightsProfiles ),
  52                         ] ) .
  53                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
  54
  55                         # Licensing
  56                         // getRadioSet() builds a set of labeled radio buttons.
  57                         // For grep: The following messages are used as the item labels:
  58                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
  59                         // config-license-cc-0, config-license-pd, config-license-gfdl,
  60                         // config-license-none, config-license-cc-choose
  61                         $this->parent->getRadioSet( [
  62                                 'var' => '_LicenseCode',
  63                                 'label' => 'config-license',
  64                                 'itemLabelPrefix' => 'config-license-',
  65                                 'values' => array_keys( $this->parent->licenses ),
  66                                 'commonAttribs' => [ 'class' => 'licenseRadio' ],
  67                         ] ) .
  68                         $this->getCCChooser() .
  69                         $this->parent->getHelpBox( 'config-license-help' ) .
  70
  71                         # E-mail
  72                         $this->getFieldsetStart( 'config-email-settings' ) .
  73                         $this->parent->getCheckBox( [
  74                                 'var' => 'wgEnableEmail',
  75                                 'label' => 'config-enable-email',
  76                                 'attribs' => [ 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ],
  77                         ] ) .
  78                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
  79                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
  80                         $this->parent->getTextBox( [
  81                                 'var' => 'wgPasswordSender',
  82                                 'label' => 'config-email-sender'
  83                         ] ) .
  84                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
  85                         $this->parent->getCheckBox( [
  86                                 'var' => 'wgEnableUserEmail',
  87                                 'label' => 'config-email-user',
  88                         ] ) .
  89                         $this->parent->getHelpBox( 'config-email-user-help' ) .
  90                         $this->parent->getCheckBox( [
  91                                 'var' => 'wgEnotifUserTalk',
  92                                 'label' => 'config-email-usertalk',
  93                         ] ) .
  94                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
  95                         $this->parent->getCheckBox( [
  96                                 'var' => 'wgEnotifWatchlist',
  97                                 'label' => 'config-email-watchlist',
  98                         ] ) .
  99                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 100                         $this->parent->getCheckBox( [
 101                                 'var' => 'wgEmailAuthentication',
 102                                 'label' => 'config-email-auth',
 103                         ] ) .
 104                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 105                         "</div>" .
 106                         $this->getFieldsetEnd()
 107                 );
 108
 109                 $skins = $this->parent->findExtensions( 'skins' );
 110                 $skinHtml = $this->getFieldsetStart( 'config-skins' );
 111
 112                 $skinNames = array_map( 'strtolower', array_keys( $skins ) );
 113                 $chosenSkinName = $this->getVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
 114
 115                 if ( $skins ) {
 116                         $radioButtons = $this->parent->getRadioElements( [
 117                                 'var' => 'wgDefaultSkin',
 118                                 'itemLabels' => array_fill_keys( $skinNames, 'config-skins-use-as-default' ),
 119                                 'values' => $skinNames,
 120                                 'value' => $chosenSkinName,
 121                         ] );
 122
 123                         foreach ( $skins as $skin => $info ) {
 124                                 if ( isset( $info['screenshots'] ) ) {
 125                                         $screenshotText = $this->makeScreenshotsLink( $skin, $info['screenshots'] );
 126                                 } else {
 127                                         $screenshotText = htmlspecialchars( $skin );
 128                                 }
 129                                 $skinHtml .=
 130                                         '<div class="config-skins-item">' .
 131                                         $this->parent->getCheckBox( [
 132                                                 'var' => "skin-$skin",
 133                                                 'rawtext' => $screenshotText,
 134                                                 'value' => $this->getVar( "skin-$skin", true ), // all found skins enabled by default
 135                                         ] ) .
 136                                         '<div class="config-skins-use-as-default">' . $radioButtons[strtolower( $skin )] . '</div>' .
 137                                         '</div>';
 138                         }
 139                 } else {
 140                         $skinHtml .=
 141                                 $this->parent->getWarningBox( wfMessage( 'config-skins-missing' )->plain() ) .
 142                                 Html::hidden( 'config_wgDefaultSkin', $chosenSkinName );
 143                 }
 144
 145                 $skinHtml .= $this->parent->getHelpBox( 'config-skins-help' ) .
 146                         $this->getFieldsetEnd();
 147                 $this->addHTML( $skinHtml );
 148
 149                 $extensions = $this->parent->findExtensions();
 150                 $dependencyMap = [];
 151
 152                 if ( $extensions ) {
 153                         $extHtml = $this->getFieldsetStart( 'config-extensions' );
 154
 155                         $extByType = [];
 156                         $types = SpecialVersion::getExtensionTypes();
 157                         // Sort by type first
 158                         foreach ( $extensions as $ext => $info ) {
 159                                 if ( !isset( $info['type'] ) || !isset( $types[$info['type']] ) ) {
 160                                         // We let extensions normally define custom types, but
 161                                         // since we aren't loading extensions, we'll have to
 162                                         // categorize them under other
 163                                         $info['type'] = 'other';
 164                                 }
 165                                 $extByType[$info['type']][$ext] = $info;
 166                         }
 167
 168                         foreach ( $types as $type => $message ) {
 169                                 if ( !isset( $extByType[$type] ) ) {
 170                                         continue;
 171                                 }
 172                                 $extHtml .= Html::element( 'h2', [], $message );
 173                                 foreach ( $extByType[$type] as $ext => $info ) {
 174                                         $urlText = '';
 175                                         if ( isset( $info['url'] ) ) {
 176                                                 $urlText = ' ' . Html::element( 'a', [ 'href' => $info['url'] ], '(more information)' );
 177                                         }
 178                                         $attribs = [ 'data-name' => $ext ];
 179                                         $labelAttribs = [];
 180                                         $fullDepList = [];
 181                                         if ( isset( $info['requires']['extensions'] ) ) {
 182                                                 $dependencyMap[$ext]['extensions'] = $info['requires']['extensions'];
 183                                                 $labelAttribs['class'] = 'mw-ext-with-dependencies';
 184                                         }
 185                                         if ( isset( $info['requires']['skins'] ) ) {
 186                                                 $dependencyMap[$ext]['skins'] = $info['requires']['skins'];
 187                                                 $labelAttribs['class'] = 'mw-ext-with-dependencies';
 188                                         }
 189                                         if ( isset( $dependencyMap[$ext] ) ) {
 190                                                 $links = [];
 191                                                 // For each dependency, link to the checkbox for each
 192                                                 // extension/skin that is required
 193                                                 if ( isset( $dependencyMap[$ext]['extensions'] ) ) {
 194                                                         foreach ( $dependencyMap[$ext]['extensions'] as $name ) {
 195                                                                 $links[] = Html::element(
 196                                                                         'a',
 197                                                                         [ 'href' => "#config_ext-$name" ],
 198                                                                         $name
 199                                                                 );
 200                                                         }
 201                                                 }
 202                                                 if ( isset( $dependencyMap[$ext]['skins'] ) ) {
 203                                                         foreach ( $dependencyMap[$ext]['skins'] as $name ) {
 204                                                                 $links[] = Html::element(
 205                                                                         'a',
 206                                                                         [ 'href' => "#config_skin-$name" ],
 207                                                                         $name
 208                                                                 );
 209                                                         }
 210                                                 }
 211
 212                                                 $text = wfMessage( 'config-extensions-requires' )
 213                                                         ->rawParams( $ext, $wgLang->commaList( $links ) )
 214                                                         ->escaped();
 215                                         } else {
 216                                                 $text = $ext;
 217                                         }
 218                                         $extHtml .= $this->parent->getCheckBox( [
 219                                                 'var' => "ext-$ext",
 220                                                 'rawtext' => $text,
 221                                                 'attribs' => $attribs,
 222                                                 'labelAttribs' => $labelAttribs,
 223                                         ] );
 224                                 }
 225                         }
 226
 227                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 228                                 $this->getFieldsetEnd();
 229                         $this->addHTML( $extHtml );
 230                         // Push the dependency map to the client side
 231                         $this->addHTML( Html::inlineScript(
 232                                 'var extDependencyMap = ' . Xml::encodeJsVar( $dependencyMap )
 233                         ) );
 234                 }
 235
 236                 // Having / in paths in Windows looks funny :)
 237                 $this->setVar( 'wgDeletedDirectory',
 238                         str_replace(
 239                                 '/', DIRECTORY_SEPARATOR,
 240                                 $this->getVar( 'wgDeletedDirectory' )
 241                         )
 242                 );
 243
 244                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 245                 $this->addHTML(
 246                         # Uploading
 247                         $this->getFieldsetStart( 'config-upload-settings' ) .
 248                         $this->parent->getCheckBox( [
 249                                 'var' => 'wgEnableUploads',
 250                                 'label' => 'config-upload-enable',
 251                                 'attribs' => [ 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ],
 252                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 253                         ] ) .
 254                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 255                         $this->parent->getTextBox( [
 256                                 'var' => 'wgDeletedDirectory',
 257                                 'label' => 'config-upload-deleted',
 258                                 'attribs' => [ 'dir' => 'ltr' ],
 259                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 260                         ] ) .
 261                         '</div>' .
 262                         $this->parent->getTextBox( [
 263                                 'var' => 'wgLogo',
 264                                 'label' => 'config-logo',
 265                                 'attribs' => [ 'dir' => 'ltr' ],
 266                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 267                         ] )
 268                 );
 269                 $this->addHTML(
 270                         $this->parent->getCheckBox( [
 271                                 'var' => 'wgUseInstantCommons',
 272                                 'label' => 'config-instantcommons',
 273                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 274                         ] ) .
 275                         $this->getFieldsetEnd()
 276                 );
 277
 278                 $caches = [ 'none' ];
 279                 $cachevalDefault = 'none';
 280
 281                 if ( count( $this->getVar( '_Caches' ) ) ) {
 282                         // A CACHE_ACCEL implementation is available
 283                         $caches[] = 'accel';
 284                         $cachevalDefault = 'accel';
 285                 }
 286                 $caches[] = 'memcached';
 287
 288                 // We'll hide/show this on demand when the value changes, see config.js.
 289                 $cacheval = $this->getVar( '_MainCacheType' );
 290                 if ( !$cacheval ) {
 291                         // We need to set a default here; but don't hardcode it
 292                         // or we lose it every time we reload the page for validation
 293                         // or going back!
 294                         $cacheval = $cachevalDefault;
 295                 }
 296                 $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
 297                 $this->addHTML(
 298                         # Advanced settings
 299                         $this->getFieldsetStart( 'config-advanced-settings' ) .
 300                         # Object cache settings
 301                         // getRadioSet() builds a set of labeled radio buttons.
 302                         // For grep: The following messages are used as the item labels:
 303                         // config-cache-none, config-cache-accel, config-cache-memcached
 304                         $this->parent->getRadioSet( [
 305                                 'var' => '_MainCacheType',
 306                                 'label' => 'config-cache-options',
 307                                 'itemLabelPrefix' => 'config-cache-',
 308                                 'values' => $caches,
 309                                 'value' => $cacheval,
 310                         ] ) .
 311                         $this->parent->getHelpBox( 'config-cache-help' ) .
 312                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
 313                         $this->parent->getTextArea( [
 314                                 'var' => '_MemCachedServers',
 315                                 'label' => 'config-memcached-servers',
 316                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 317                         ] ) .
 318                         '</div>' .
 319                         $this->getFieldsetEnd()
 320                 );
 321                 $this->endForm();
 322
 323                 return null;
 324         }
 325
 326         private function makeScreenshotsLink( $name, $screenshots ) {
 327                 global $wgLang;
 328                 if ( count( $screenshots ) > 1 ) {
 329                         $links = [];
 330                         $counter = 1;
 331                         foreach ( $screenshots as $shot ) {
 332                                 $links[] = Html::element(
 333                                         'a',
 334                                         [ 'href' => $shot, 'target' => '_blank' ],
 335                                         $wgLang->formatNum( $counter++ )
 336                                 );
 337                         }
 338                         return wfMessage( 'config-skins-screenshots' )
 339                                 ->rawParams( $name, $wgLang->commaList( $links ) )
 340                                 ->escaped();
 341                 } else {
 342                         $link = Html::element(
 343                                 'a',
 344                                 [ 'href' => $screenshots[0], 'target' => '_blank' ],
 345                                 wfMessage( 'config-screenshot' )->text()
 346                         );
 347                         return wfMessage( 'config-skins-screenshot', $name )->rawParams( $link )->escaped();
 348                 }
 349         }
 350
 351         /**
 352          * @return string
 353          */
 354         public function getCCPartnerUrl() {
 355                 $server = $this->getVar( 'wgServer' );
 356                 $exitUrl = $server . $this->parent->getUrl( [
 357                         'page' => 'Options',
 358                         'SubmitCC' => 'indeed',
 359                         'config__LicenseCode' => 'cc',
 360                         'config_wgRightsUrl' => '[license_url]',
 361                         'config_wgRightsText' => '[license_name]',
 362                         'config_wgRightsIcon' => '[license_button]',
 363                 ] );
 364                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
 365                         '/mw-config/config-cc.css';
 366                 $iframeUrl = '//creativecommons.org/license/?' .
 367                         wfArrayToCgi( [
 368                                 'partner' => 'MediaWiki',
 369                                 'exit_url' => $exitUrl,
 370                                 'lang' => $this->getVar( '_UserLang' ),
 371                                 'stylesheet' => $styleUrl,
 372                         ] );
 373
 374                 return $iframeUrl;
 375         }
 376
 377         /**
 378          * @return string
 379          */
 380         public function getCCChooser() {
 381                 $iframeAttribs = [
 382                         'class' => 'config-cc-iframe',
 383                         'name' => 'config-cc-iframe',
 384                         'id' => 'config-cc-iframe',
 385                         'frameborder' => 0,
 386                         'width' => '100%',
 387                         'height' => '100%',
 388                 ];
 389                 if ( $this->getVar( '_CCDone' ) ) {
 390                         $iframeAttribs['src'] = $this->parent->getUrl( [ 'ShowCC' => 'yes' ] );
 391                 } else {
 392                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 393                 }
 394                 $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
 395
 396                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 397                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 398                         "</div>\n";
 399         }
 400
 401         /**
 402          * @return string
 403          */
 404         public function getCCDoneBox() {
 405                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 406                 // If you change this height, also change it in config.css
 407                 $expandJs = str_replace( '$1', '54em', $js );
 408                 $reduceJs = str_replace( '$1', '70px', $js );
 409
 410                 return '<p>' .
 411                         Html::element( 'img', [ 'src' => $this->getVar( 'wgRightsIcon' ) ] ) .
 412                         '&#160;&#160;' .
 413                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 414                         "</p>\n" .
 415                         "<p style=\"text-align: center;\">" .
 416                         Html::element( 'a',
 417                                 [
 418                                         'href' => $this->getCCPartnerUrl(),
 419                                         'onclick' => $expandJs,
 420                                 ],
 421                                 wfMessage( 'config-cc-again' )->text()
 422                         ) .
 423                         "</p>\n" .
 424                         "<script>\n" .
 425                         # Reduce the wrapper div height
 426                         htmlspecialchars( $reduceJs ) .
 427                         "\n" .
 428                         "</script>\n";
 429         }
 430
 431         public function submitCC() {
 432                 $newValues = $this->parent->setVarsFromRequest(
 433                         [ 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ] );
 434                 if ( count( $newValues ) != 3 ) {
 435                         $this->parent->showError( 'config-cc-error' );
 436
 437                         return;
 438                 }
 439                 $this->setVar( '_CCDone', true );
 440                 $this->addHTML( $this->getCCDoneBox() );
 441         }
 442
 443         /**
 444          * If the user skips this installer page, we still need to set up the default skins, but ignore
 445          * everything else.
 446          *
 447          * @return bool
 448          */
 449         public function submitSkins() {
 450                 $skins = array_keys( $this->parent->findExtensions( 'skins' ) );
 451                 $this->parent->setVar( '_Skins', $skins );
 452
 453                 if ( $skins ) {
 454                         $skinNames = array_map( 'strtolower', $skins );
 455                         $this->parent->setVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
 456                 }
 457
 458                 return true;
 459         }
 460
 461         /**
 462          * @return bool
 463          */
 464         public function submit() {
 465                 $this->parent->setVarsFromRequest( [ '_RightsProfile', '_LicenseCode',
 466                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
 467                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
 468                         'wgEmailAuthentication', '_MainCacheType', '_MemCachedServers',
 469                         'wgUseInstantCommons', 'wgDefaultSkin' ] );
 470
 471                 $retVal = true;
 472
 473                 if ( !array_key_exists( $this->getVar( '_RightsProfile' ), $this->parent->rightsProfiles ) ) {
 474                         reset( $this->parent->rightsProfiles );
 475                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
 476                 }
 477
 478                 $code = $this->getVar( '_LicenseCode' );
 479                 if ( $code == 'cc-choose' ) {
 480                         if ( !$this->getVar( '_CCDone' ) ) {
 481                                 $this->parent->showError( 'config-cc-not-chosen' );
 482                                 $retVal = false;
 483                         }
 484                 } elseif ( array_key_exists( $code, $this->parent->licenses ) ) {
 485                         // Messages:
 486                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 487                         // config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
 488                         // config-license-cc-choose
 489                         $entry = $this->parent->licenses[$code];
 490                         if ( isset( $entry['text'] ) ) {
 491                                 $this->setVar( 'wgRightsText', $entry['text'] );
 492                         } else {
 493                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
 494                         }
 495                         $this->setVar( 'wgRightsUrl', $entry['url'] );
 496                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
 497                 } else {
 498                         $this->setVar( 'wgRightsText', '' );
 499                         $this->setVar( 'wgRightsUrl', '' );
 500                         $this->setVar( 'wgRightsIcon', '' );
 501                 }
 502
 503                 $skinsAvailable = array_keys( $this->parent->findExtensions( 'skins' ) );
 504                 $skinsToInstall = [];
 505                 foreach ( $skinsAvailable as $skin ) {
 506                         $this->parent->setVarsFromRequest( [ "skin-$skin" ] );
 507                         if ( $this->getVar( "skin-$skin" ) ) {
 508                                 $skinsToInstall[] = $skin;
 509                         }
 510                 }
 511                 $this->parent->setVar( '_Skins', $skinsToInstall );
 512
 513                 if ( !$skinsToInstall && $skinsAvailable ) {
 514                         $this->parent->showError( 'config-skins-must-enable-some' );
 515                         $retVal = false;
 516                 }
 517                 $defaultSkin = $this->getVar( 'wgDefaultSkin' );
 518                 $skinsToInstallLowercase = array_map( 'strtolower', $skinsToInstall );
 519                 if ( $skinsToInstall && array_search( $defaultSkin, $skinsToInstallLowercase ) === false ) {
 520                         $this->parent->showError( 'config-skins-must-enable-default' );
 521                         $retVal = false;
 522                 }
 523
 524                 $extsAvailable = array_keys( $this->parent->findExtensions() );
 525                 $extsToInstall = [];
 526                 foreach ( $extsAvailable as $ext ) {
 527                         $this->parent->setVarsFromRequest( [ "ext-$ext" ] );
 528                         if ( $this->getVar( "ext-$ext" ) ) {
 529                                 $extsToInstall[] = $ext;
 530                         }
 531                 }
 532                 $this->parent->setVar( '_Extensions', $extsToInstall );
 533
 534                 if ( $this->getVar( '_MainCacheType' ) == 'memcached' ) {
 535                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
 536                         if ( !$memcServers ) {
 537                                 $this->parent->showError( 'config-memcache-needservers' );
 538                                 $retVal = false;
 539                         }
 540
 541                         foreach ( $memcServers as $server ) {
 542                                 $memcParts = explode( ":", $server, 2 );
 543                                 if ( !isset( $memcParts[0] )
 544                                         || ( !IP::isValid( $memcParts[0] )
 545                                                 && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) )
 546                                 ) {
 547                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
 548                                         $retVal = false;
 549                                 } elseif ( !isset( $memcParts[1] ) ) {
 550                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
 551                                         $retVal = false;
 552                                 } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
 553                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
 554                                         $retVal = false;
 555                                 }
 556                         }
 557                 }
 558
 559                 return $retVal;
 560         }
 561
 562 }