X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/extensions/Interwiki/Interwiki_body.php

diff --git a/extensions/Interwiki/Interwiki_body.php b/extensions/Interwiki/Interwiki_body.php
new file mode 100644
index 00000000..a8db5160
--- /dev/null
+++ b/extensions/Interwiki/Interwiki_body.php
@@ -0,0 +1,514 @@
+<?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 $par Mixed: parameter passed to the page or null
+	 */
+	public function execute( $par ) {
+		$this->setHeaders();
+		$this->outputHeader();
+
+		$out = $this->getOutput();
+		$request = $this->getRequest();
+
+		$out->addModules( '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 $out OutputPage|bool 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 $action string
+	 */
+	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_SLAVE );
+			$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_SLAVE, [], $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';
+	}
+}
+
+/**
+ * Needed to pass the URL as a raw parameter, because it contains $1
+ */
+class InterwikiLogFormatter extends LogFormatter {
+	/**
+	 * @return array
+	 */
+	protected function getMessageParameters() {
+		$params = parent::getMessageParameters();
+		if ( isset( $params[4] ) ) {
+			$params[4] = Message::rawParam( htmlspecialchars( $params[4] ) );
+		}
+		return $params;
+	}
+}