diff options
Diffstat (limited to 'www/wiki/extensions/Interwiki/includes/SpecialInterwiki.php')
| -rw-r--r-- | www/wiki/extensions/Interwiki/includes/SpecialInterwiki.php | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/www/wiki/extensions/Interwiki/includes/SpecialInterwiki.php b/www/wiki/extensions/Interwiki/includes/SpecialInterwiki.php new file mode 100644 index 00000000..ca18a1cd --- /dev/null +++ b/www/wiki/extensions/Interwiki/includes/SpecialInterwiki.php @@ -0,0 +1,498 @@ +<?php +/** + * Implements Special:Interwiki + * @ingroup SpecialPage + */ +class SpecialInterwiki extends SpecialPage { + /** + * Constructor - sets up the new special page + */ + public function __construct() { + parent::__construct( 'Interwiki' ); + } + + public function doesWrites() { + return true; + } + + /** + * Different description will be shown on Special:SpecialPage depending on + * whether the user can modify the data. + * @return String + */ + function getDescription() { + return $this->msg( $this->canModify() ? + 'interwiki' : 'interwiki-title-norights' )->plain(); + } + + public function getSubpagesForPrefixSearch() { + // delete, edit both require the prefix parameter. + return [ 'add' ]; + } + + /** + * Show the special page + * + * @param string|null $par parameter passed to the page or null + */ + public function execute( $par ) { + $this->setHeaders(); + $this->outputHeader(); + + $out = $this->getOutput(); + $request = $this->getRequest(); + + $out->addModuleStyles( 'ext.interwiki.specialpage' ); + + $action = $par ?: $request->getVal( 'action', $par ); + $return = $this->getPageTitle(); + + switch ( $action ) { + case 'delete': + case 'edit': + case 'add': + if ( $this->canModify( $out ) ) { + $this->showForm( $action ); + } + $out->returnToMain( false, $return ); + break; + case 'submit': + if ( !$this->canModify( $out ) ) { + // Error msg added by canModify() + } elseif ( !$request->wasPosted() || + !$this->getUser()->matchEditToken( $request->getVal( 'wpEditToken' ) ) + ) { + // Prevent cross-site request forgeries + $out->addWikiMsg( 'sessionfailure' ); + } else { + $this->doSubmit(); + } + $out->returnToMain( false, $return ); + break; + default: + $this->showList(); + break; + } + } + + /** + * Returns boolean whether the user can modify the data. + * @param OutputPage|bool $out If $wgOut object given, it adds the respective error message. + * @throws PermissionsError|ReadOnlyError + * @return bool + */ + public function canModify( $out = false ) { + global $wgInterwikiCache; + if ( !$this->getUser()->isAllowed( 'interwiki' ) ) { + // Check permissions + if ( $out ) { + throw new PermissionsError( 'interwiki' ); + } + + return false; + } elseif ( $wgInterwikiCache ) { + // Editing the interwiki cache is not supported + if ( $out ) { + $out->addWikiMsg( 'interwiki-cached' ); + } + + return false; + } elseif ( wfReadOnly() ) { + throw new ReadOnlyError; + } + + return true; + } + + /** + * @param string $action The action of the form + */ + protected function showForm( $action ) { + $request = $this->getRequest(); + + $prefix = $request->getVal( 'prefix' ); + $wpPrefix = ''; + $label = [ 'class' => 'mw-label' ]; + $input = [ 'class' => 'mw-input' ]; + + if ( $action === 'delete' ) { + $topmessage = $this->msg( 'interwiki_delquestion', $prefix )->text(); + $intromessage = $this->msg( 'interwiki_deleting', $prefix )->escaped(); + $wpPrefix = Html::hidden( 'wpInterwikiPrefix', $prefix ); + $button = 'delete'; + $formContent = ''; + } elseif ( $action === 'edit' ) { + $dbr = wfGetDB( DB_REPLICA ); + $row = $dbr->selectRow( 'interwiki', '*', [ 'iw_prefix' => $prefix ], __METHOD__ ); + + if ( !$row ) { + $this->error( 'interwiki_editerror', $prefix ); + return; + } + + $prefix = $prefixElement = $row->iw_prefix; + $defaulturl = $row->iw_url; + $trans = $row->iw_trans; + $local = $row->iw_local; + $wpPrefix = Html::hidden( 'wpInterwikiPrefix', $row->iw_prefix ); + $topmessage = $this->msg( 'interwiki_edittext' )->text(); + $intromessage = $this->msg( 'interwiki_editintro' )->escaped(); + $button = 'edit'; + } elseif ( $action === 'add' ) { + $prefix = $request->getVal( 'wpInterwikiPrefix', $request->getVal( 'prefix' ) ); + $prefixElement = Xml::input( 'wpInterwikiPrefix', 20, $prefix, + [ 'tabindex' => 1, 'id' => 'mw-interwiki-prefix', 'maxlength' => 20 ] ); + $local = $request->getCheck( 'wpInterwikiLocal' ); + $trans = $request->getCheck( 'wpInterwikiTrans' ); + $defaulturl = $request->getVal( 'wpInterwikiURL', $this->msg( 'interwiki-defaulturl' )->text() ); + $topmessage = $this->msg( 'interwiki_addtext' )->text(); + $intromessage = $this->msg( 'interwiki_addintro' )->escaped(); + $button = 'interwiki_addbutton'; + } + + if ( $action === 'add' || $action === 'edit' ) { + $formContent = Html::rawElement( 'tr', null, + Html::element( 'td', $label, $this->msg( 'interwiki-prefix-label' )->text() ) . + Html::rawElement( 'td', null, '<code>' . $prefixElement . '</code>' ) + ) . Html::rawElement( + 'tr', + null, + Html::rawElement( + 'td', + $label, + Xml::label( $this->msg( 'interwiki-local-label' )->text(), 'mw-interwiki-local' ) + ) . + Html::rawElement( + 'td', + $input, + Xml::check( 'wpInterwikiLocal', $local, [ 'id' => 'mw-interwiki-local' ] ) + ) + ) . Html::rawElement( 'tr', null, + Html::rawElement( + 'td', + $label, + Xml::label( $this->msg( 'interwiki-trans-label' )->text(), 'mw-interwiki-trans' ) + ) . + Html::rawElement( + 'td', + $input, Xml::check( 'wpInterwikiTrans', $trans, [ 'id' => 'mw-interwiki-trans' ] ) ) + ) . Html::rawElement( 'tr', null, + Html::rawElement( + 'td', + $label, + Xml::label( $this->msg( 'interwiki-url-label' )->text(), 'mw-interwiki-url' ) + ) . + Html::rawElement( 'td', $input, Xml::input( 'wpInterwikiURL', 60, $defaulturl, + [ 'tabindex' => 1, 'maxlength' => 200, 'id' => 'mw-interwiki-url' ] ) ) + ); + } + + $form = Xml::fieldset( $topmessage, Html::rawElement( + 'form', + [ + 'id' => "mw-interwiki-{$action}form", + 'method' => 'post', + 'action' => $this->getPageTitle()->getLocalURL( [ + 'action' => 'submit', + 'prefix' => $prefix + ] ) + ], + Html::rawElement( 'p', null, $intromessage ) . + Html::rawElement( 'table', [ 'id' => "mw-interwiki-{$action}" ], + $formContent . Html::rawElement( 'tr', null, + Html::rawElement( 'td', $label, Xml::label( $this->msg( 'interwiki_reasonfield' )->text(), + "mw-interwiki-{$action}reason" ) ) . + Html::rawElement( 'td', $input, Xml::input( 'wpInterwikiReason', 60, '', + [ 'tabindex' => 1, 'id' => "mw-interwiki-{$action}reason", 'maxlength' => 200 ] ) ) + ) . Html::rawElement( 'tr', null, + Html::rawElement( 'td', null, '' ) . + Html::rawElement( 'td', [ 'class' => 'mw-submit' ], + Xml::submitButton( $this->msg( $button )->text(), [ 'id' => 'mw-interwiki-submit' ] ) ) + ) . $wpPrefix . + Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) . + Html::hidden( 'wpInterwikiAction', $action ) + ) + ) ); + $this->getOutput()->addHTML( $form ); + } + + protected function doSubmit() { + global $wgContLang; + + $request = $this->getRequest(); + $prefix = $request->getVal( 'wpInterwikiPrefix' ); + $do = $request->getVal( 'wpInterwikiAction' ); + // Show an error if the prefix is invalid (only when adding one). + // Invalid characters for a title should also be invalid for a prefix. + // Whitespace, ':', '&' and '=' are invalid, too. + // (Bug 30599). + global $wgLegalTitleChars; + $validPrefixChars = preg_replace( '/[ :&=]/', '', $wgLegalTitleChars ); + if ( $do === 'add' && preg_match( "/\s|[^$validPrefixChars]/", $prefix ) ) { + $this->error( 'interwiki-badprefix', htmlspecialchars( $prefix ) ); + $this->showForm( $do ); + return; + } + $reason = $request->getText( 'wpInterwikiReason' ); + $selfTitle = $this->getPageTitle(); + $dbw = wfGetDB( DB_MASTER ); + switch ( $do ) { + case 'delete': + $dbw->delete( 'interwiki', [ 'iw_prefix' => $prefix ], __METHOD__ ); + + if ( $dbw->affectedRows() === 0 ) { + $this->error( 'interwiki_delfailed', $prefix ); + $this->showForm( $do ); + } else { + $this->getOutput()->addWikiMsg( 'interwiki_deleted', $prefix ); + $log = new LogPage( 'interwiki' ); + $log->addEntry( 'iw_delete', $selfTitle, $reason, [ $prefix ] ); + Interwiki::invalidateCache( $prefix ); + } + break; + /** @noinspection PhpMissingBreakStatementInspection */ + case 'add': + $prefix = $wgContLang->lc( $prefix ); + case 'edit': + $theurl = $request->getVal( 'wpInterwikiURL' ); + $local = $request->getCheck( 'wpInterwikiLocal' ) ? 1 : 0; + $trans = $request->getCheck( 'wpInterwikiTrans' ) ? 1 : 0; + $data = [ + 'iw_prefix' => $prefix, + 'iw_url' => $theurl, + 'iw_local' => $local, + 'iw_trans' => $trans + ]; + + if ( $prefix === '' || $theurl === '' ) { + $this->error( 'interwiki-submit-empty' ); + $this->showForm( $do ); + return; + } + + // Simple URL validation: check that the protocol is one of + // the supported protocols for this wiki. + // (bug 30600) + if ( !wfParseUrl( $theurl ) ) { + $this->error( 'interwiki-submit-invalidurl' ); + $this->showForm( $do ); + return; + } + + if ( $do === 'add' ) { + $dbw->insert( 'interwiki', $data, __METHOD__, 'IGNORE' ); + } else { // $do === 'edit' + $dbw->update( 'interwiki', $data, [ 'iw_prefix' => $prefix ], __METHOD__, 'IGNORE' ); + } + + // used here: interwiki_addfailed, interwiki_added, interwiki_edited + if ( $dbw->affectedRows() === 0 ) { + $this->error( "interwiki_{$do}failed", $prefix ); + $this->showForm( $do ); + } else { + $this->getOutput()->addWikiMsg( "interwiki_{$do}ed", $prefix ); + $log = new LogPage( 'interwiki' ); + $log->addEntry( 'iw_' . $do, $selfTitle, $reason, [ $prefix, $theurl, $trans, $local ] ); + Interwiki::invalidateCache( $prefix ); + } + break; + } + } + + protected function showList() { + global $wgInterwikiCentralDB, $wgInterwikiViewOnly; + $canModify = $this->canModify(); + + // Build lists + if ( !method_exists( 'Interwiki', 'getAllPrefixes' ) ) { + // version 2.0 is not backwards compatible (but will still display a nice error) + $this->error( 'interwiki_error' ); + return; + } + $iwPrefixes = Interwiki::getAllPrefixes( null ); + $iwGlobalPrefixes = []; + if ( $wgInterwikiCentralDB !== null && $wgInterwikiCentralDB !== wfWikiID() ) { + // Fetch list from global table + $dbrCentralDB = wfGetDB( DB_REPLICA, [], $wgInterwikiCentralDB ); + $res = $dbrCentralDB->select( 'interwiki', '*', false, __METHOD__ ); + $retval = []; + foreach ( $res as $row ) { + $row = (array)$row; + if ( !Language::fetchLanguageName( $row['iw_prefix'] ) ) { + $retval[] = $row; + } + } + $iwGlobalPrefixes = $retval; + } + + // Split out language links + $iwLocalPrefixes = []; + $iwLanguagePrefixes = []; + foreach ( $iwPrefixes as $iwPrefix ) { + if ( Language::fetchLanguageName( $iwPrefix['iw_prefix'] ) ) { + $iwLanguagePrefixes[] = $iwPrefix; + } else { + $iwLocalPrefixes[] = $iwPrefix; + } + } + + // Page intro content + $this->getOutput()->addWikiMsg( 'interwiki_intro' ); + + // Add 'view log' link when possible + if ( $wgInterwikiViewOnly === false ) { + $logLink = Linker::link( + SpecialPage::getTitleFor( 'Log', 'interwiki' ), + $this->msg( 'interwiki-logtext' )->escaped() + ); + $this->getOutput()->addHTML( '<p class="mw-interwiki-log">' . $logLink . '</p>' ); + } + + // Add 'add' link + if ( $canModify ) { + if ( count( $iwGlobalPrefixes ) !== 0 ) { + $addtext = $this->msg( 'interwiki-addtext-local' )->escaped(); + } else { + $addtext = $this->msg( 'interwiki_addtext' )->escaped(); + } + $addlink = Linker::linkKnown( $this->getPageTitle( 'add' ), $addtext ); + $this->getOutput()->addHTML( '<p class="mw-interwiki-addlink">' . $addlink . '</p>' ); + } + + $this->getOutput()->addWikiMsg( 'interwiki-legend' ); + + if ( ( !is_array( $iwPrefixes ) || count( $iwPrefixes ) === 0 ) && + ( !is_array( $iwGlobalPrefixes ) || count( $iwGlobalPrefixes ) === 0 ) + ) { + // If the interwiki table(s) are empty, display an error message + $this->error( 'interwiki_error' ); + return; + } + + // Add the global table + if ( count( $iwGlobalPrefixes ) !== 0 ) { + $this->getOutput()->addHTML( + '<h2 id="interwikitable-global">' . + $this->msg( 'interwiki-global-links' )->parse() . + '</h2>' + ); + $this->getOutput()->addWikiMsg( 'interwiki-global-description' ); + + // $canModify is false here because this is just a display of remote data + $this->makeTable( false, $iwGlobalPrefixes ); + } + + // Add the local table + if ( count( $iwLocalPrefixes ) !== 0 ) { + if ( count( $iwGlobalPrefixes ) !== 0 ) { + $this->getOutput()->addHTML( + '<h2 id="interwikitable-local">' . + $this->msg( 'interwiki-local-links' )->parse() . + '</h2>' + ); + $this->getOutput()->addWikiMsg( 'interwiki-local-description' ); + } else { + $this->getOutput()->addHTML( + '<h2 id="interwikitable-local">' . + $this->msg( 'interwiki-links' )->parse() . + '</h2>' + ); + $this->getOutput()->addWikiMsg( 'interwiki-description' ); + } + $this->makeTable( $canModify, $iwLocalPrefixes ); + } + + // Add the language table + if ( count( $iwLanguagePrefixes ) !== 0 ) { + $this->getOutput()->addHTML( + '<h2 id="interwikitable-language">' . + $this->msg( 'interwiki-language-links' )->parse() . + '</h2>' + ); + $this->getOutput()->addWikiMsg( 'interwiki-language-description' ); + + $this->makeTable( $canModify, $iwLanguagePrefixes ); + } + } + + protected function makeTable( $canModify, $iwPrefixes ) { + // Output the existing Interwiki prefixes table header + $out = ''; + $out .= Html::openElement( + 'table', + [ 'class' => 'mw-interwikitable wikitable sortable body' ] + ) . "\n"; + $out .= Html::openElement( 'tr', [ 'class' => 'interwikitable-header' ] ) . + Html::element( 'th', null, $this->msg( 'interwiki_prefix' )->text() ) . + Html::element( 'th', null, $this->msg( 'interwiki_url' )->text() ) . + Html::element( 'th', null, $this->msg( 'interwiki_local' )->text() ) . + Html::element( 'th', null, $this->msg( 'interwiki_trans' )->text() ) . + ( $canModify ? + Html::element( + 'th', + [ 'class' => 'unsortable' ], + $this->msg( 'interwiki_edit' )->text() + ) : + '' + ); + $out .= Html::closeElement( 'tr' ) . "\n"; + + $selfTitle = $this->getPageTitle(); + + // Output the existing Interwiki prefixes table rows + foreach ( $iwPrefixes as $iwPrefix ) { + $out .= Html::openElement( 'tr', [ 'class' => 'mw-interwikitable-row' ] ); + $out .= Html::element( 'td', [ 'class' => 'mw-interwikitable-prefix' ], + $iwPrefix['iw_prefix'] ); + $out .= Html::element( + 'td', + [ 'class' => 'mw-interwikitable-url' ], + $iwPrefix['iw_url'] + ); + $attribs = [ 'class' => 'mw-interwikitable-local' ]; + // Green background for cells with "yes". + if ( isset( $iwPrefix['iw_local'] ) && $iwPrefix['iw_local'] ) { + $attribs['class'] .= ' mw-interwikitable-local-yes'; + } + // The messages interwiki_0 and interwiki_1 are used here. + $contents = isset( $iwPrefix['iw_local'] ) ? + $this->msg( 'interwiki_' . $iwPrefix['iw_local'] )->text() : + '-'; + $out .= Html::element( 'td', $attribs, $contents ); + $attribs = [ 'class' => 'mw-interwikitable-trans' ]; + // Green background for cells with "yes". + if ( isset( $iwPrefix['iw_trans'] ) && $iwPrefix['iw_trans'] ) { + $attribs['class'] .= ' mw-interwikitable-trans-yes'; + } + // The messages interwiki_0 and interwiki_1 are used here. + $contents = isset( $iwPrefix['iw_trans'] ) ? + $this->msg( 'interwiki_' . $iwPrefix['iw_trans'] )->text() : + '-'; + $out .= Html::element( 'td', $attribs, $contents ); + + // Additional column when the interwiki table can be modified. + if ( $canModify ) { + $out .= Html::rawElement( 'td', [ 'class' => 'mw-interwikitable-modify' ], + Linker::linkKnown( $selfTitle, $this->msg( 'edit' )->escaped(), [], + [ 'action' => 'edit', 'prefix' => $iwPrefix['iw_prefix'] ] ) . + $this->msg( 'comma-separator' ) . + Linker::linkKnown( $selfTitle, $this->msg( 'delete' )->escaped(), [], + [ 'action' => 'delete', 'prefix' => $iwPrefix['iw_prefix'] ] ) + ); + } + $out .= Html::closeElement( 'tr' ) . "\n"; + } + $out .= Html::closeElement( 'table' ); + + $this->getOutput()->addHTML( $out ); + } + + protected function error() { + $args = func_get_args(); + $this->getOutput()->wrapWikiMsg( "<p class='error'>$1</p>", $args ); + } + + protected function getGroupName() { + return 'wiki'; + } +} |