ApiImport.php

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<?php
class ApiImport extends ApiBase {

        public function execute() {
                $user = $this->getUser();
                $params = $this->extractRequestParams();

                $isUpload = false;
                if ( isset( $params['interwikisource'] ) ) {
                        if ( !$user->isAllowed( 'import' ) ) {
                                $this->dieUsageMsg( 'cantimport' );
                        }
                        if ( !isset( $params['interwikipage'] ) ) {
                                $this->dieUsageMsg( array( 'missingparam', 'interwikipage' ) );
                        }
                        $source = ImportStreamSource::newFromInterwiki(
                                $params['interwikisource'],
                                $params['interwikipage'],
                                $params['fullhistory'],
                                $params['templates']
                        );
                } else {
                        $isUpload = true;
                        if ( !$user->isAllowed( 'importupload' ) ) {
                                $this->dieUsageMsg( 'cantimport-upload' );
                        }
                        $source = ImportStreamSource::newFromUpload( 'xml' );
                }
                if ( !$source->isOK() ) {
                        $this->dieUsageMsg( $source->getErrorsArray() );
                }

                $importer = new WikiImporter( $source->value );
                if ( isset( $params['namespace'] ) ) {
                        $importer->setTargetNamespace( $params['namespace'] );
                }
                if ( isset( $params['rootpage'] ) ) {
                        $statusRootPage = $importer->setTargetRootPage( $params['rootpage'] );
                        if( !$statusRootPage->isGood() ) {
                                $this->dieUsageMsg( $statusRootPage->getErrorsArray() );
                        }
                }
                $reporter = new ApiImportReporter(
                        $importer,
                        $isUpload,
                        $params['interwikisource'],
                        $params['summary']
                );

                try {
                        $importer->doImport();
                } catch ( MWException $e ) {
                        $this->dieUsageMsg( array( 'import-unknownerror', $e->getMessage() ) );
                }

                $resultData = $reporter->getData();
                $result = $this->getResult();
                $result->setIndexedTagName( $resultData, 'page' );
                $result->addValue( null, $this->getModuleName(), $resultData );
        }

        public function mustBePosted() {
                return true;
        }

        public function isWriteMode() {
                return true;
        }

        public function getAllowedParams() {
                global $wgImportSources;
                return array(
                        'token' => array(
                                ApiBase::PARAM_TYPE => 'string',
                                ApiBase::PARAM_REQUIRED => true
                        ),
                        'summary' => null,
                        'xml' => array(
                                ApiBase::PARAM_TYPE => 'upload',
                        ),
                        'interwikisource' => array(
                                ApiBase::PARAM_TYPE => $wgImportSources
                        ),
                        'interwikipage' => null,
                        'fullhistory' => false,
                        'templates' => false,
                        'namespace' => array(
                                ApiBase::PARAM_TYPE => 'namespace'
                        ),
                        'rootpage' => null,
                );
        }

        public function getParamDescription() {
                return array(
                        'token' => 'Import token obtained through prop=info',
                        'summary' => 'Import summary',
                        'xml' => 'Uploaded XML file',
                        'interwikisource' => 'For interwiki imports: wiki to import from',
                        'interwikipage' => 'For interwiki imports: page to import',
                        'fullhistory' => 'For interwiki imports: import the full history, not just the current version',
                        'templates' => 'For interwiki imports: import all included templates as well',
                        'namespace' => 'For interwiki imports: import to this namespace',
                        'rootpage' => 'Import as subpage of this page',
                );
        }

        public function getResultProperties() {
                return array(
                        ApiBase::PROP_LIST => true,
                        '' => array(
                                'ns' => 'namespace',
                                'title' => 'string',
                                'revisions' => 'integer'
                        )
                );
        }

        public function getDescription() {
                return array(
                        'Import a page from another wiki, or an XML file.',
                        'Note that the HTTP POST must be done as a file upload (i.e. using multipart/form-data) when',
                        'sending a file for the "xml" parameter.'
                );
        }

        public function getPossibleErrors() {
                return array_merge( parent::getPossibleErrors(), array(
                        array( 'cantimport' ),
                        array( 'missingparam', 'interwikipage' ),
                        array( 'cantimport-upload' ),
                        array( 'import-unknownerror', 'source' ),
                        array( 'import-unknownerror', 'result' ),
                        array( 'import-rootpage-nosubpage', 'namespace' ),
                        array( 'import-rootpage-invalid' ),
                ) );
        }

        public function needsToken() {
                return true;
        }

        public function getTokenSalt() {
                return '';
        }

        public function getExamples() {
                return array(
                        'api.php?action=import&interwikisource=meta&interwikipage=Help:ParserFunctions&namespace=100&fullhistory=&token=123ABC'
                                => 'Import [[meta:Help:Parserfunctions]] to namespace 100 with full history',
                );
        }

        public function getHelpUrls() {
                return 'https://www.mediawiki.org/wiki/API:Import';
        }
}

class ApiImportReporter extends ImportReporter {
        private $mResultArr = array();

        function reportPage( $title, $origTitle, $revisionCount, $successCount, $pageInfo ) {
                // Add a result entry
                $r = array();

                if ( $title === null ) {
                        # Invalid or non-importable title
                        $r['title'] = $pageInfo['title'];
                        $r['invalid'] = '';
                } else {
                        ApiQueryBase::addTitleInfo( $r, $title );
                        $r['revisions'] = intval( $successCount );
                }

                $this->mResultArr[] = $r;

                // Piggyback on the parent to do the logging
                parent::reportPage( $title, $origTitle, $revisionCount, $successCount, $pageInfo );
        }

        function getData() {
                return $this->mResultArr;
        }
}