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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Maintenance script that populates the interwiki table with list of sites from |
| 5 | * a source wiki, such as English Wikipedia. (the default source) |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * http://www.gnu.org/copyleft/gpl.html |
| 21 | * |
| 22 | * @file |
| 23 | * @ingroup Maintenance |
| 24 | * @author Katie Filbert < aude.wiki@gmail.com > |
| 25 | */ |
| 26 | |
| 27 | // @codeCoverageIgnoreStart |
| 28 | require_once __DIR__ . '/Maintenance.php'; |
| 29 | // @codeCoverageIgnoreEnd |
| 30 | |
| 31 | class PopulateInterwiki extends Maintenance { |
| 32 | |
| 33 | /** |
| 34 | * @var string |
| 35 | */ |
| 36 | private $source; |
| 37 | |
| 38 | public function __construct() { |
| 39 | parent::__construct(); |
| 40 | |
| 41 | $this->addDescription( <<<TEXT |
| 42 | This script will populate the interwiki table, pulling in interwiki links that are used on Wikipedia |
| 43 | or another MediaWiki wiki. |
| 44 | |
| 45 | When the script has finished, it will make a note of this in the database, and will not run again |
| 46 | without the --force option. |
| 47 | |
| 48 | --source parameter is the url for the source wiki api, such as "https://en.wikipedia.org/w/api.php" |
| 49 | (the default) from which the script fetches the interwiki data and uses here to populate |
| 50 | the interwiki database table. |
| 51 | TEXT |
| 52 | ); |
| 53 | |
| 54 | $this->addOption( 'source', 'Source wiki for interwiki table, such as ' |
| 55 | . 'https://en.wikipedia.org/w/api.php (the default)', false, true ); |
| 56 | $this->addOption( 'force', 'Run regardless of whether the database says it has ' |
| 57 | . 'been run already.' ); |
| 58 | } |
| 59 | |
| 60 | public function execute() { |
| 61 | $force = $this->hasOption( 'force' ); |
| 62 | $this->source = $this->getOption( 'source', 'https://en.wikipedia.org/w/api.php' ); |
| 63 | |
| 64 | $data = $this->fetchLinks(); |
| 65 | |
| 66 | if ( $data === false ) { |
| 67 | $this->error( "Error during fetching data." ); |
| 68 | } else { |
| 69 | $this->doPopulate( $data, $force ); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @return array[]|false The 'interwikimap' sub-array or false on failure. |
| 75 | */ |
| 76 | protected function fetchLinks() { |
| 77 | $url = wfArrayToCgi( [ |
| 78 | 'action' => 'query', |
| 79 | 'meta' => 'siteinfo', |
| 80 | 'siprop' => 'interwikimap', |
| 81 | 'sifilteriw' => 'local', |
| 82 | 'format' => 'json' |
| 83 | ] ); |
| 84 | |
| 85 | if ( $this->source ) { |
| 86 | $url = rtrim( $this->source, '?' ) . '?' . $url; |
| 87 | } |
| 88 | |
| 89 | $json = $this->getServiceContainer()->getHttpRequestFactory()->get( $url, [], __METHOD__ ); |
| 90 | $data = json_decode( $json, true ); |
| 91 | |
| 92 | if ( is_array( $data ) ) { |
| 93 | return $data['query']['interwikimap']; |
| 94 | } else { |
| 95 | return false; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * @param array[] $data |
| 101 | * @param bool $force |
| 102 | * |
| 103 | * @return bool |
| 104 | */ |
| 105 | protected function doPopulate( array $data, $force ) { |
| 106 | $dbw = $this->getPrimaryDB(); |
| 107 | |
| 108 | if ( !$force ) { |
| 109 | $row = $dbw->newSelectQueryBuilder() |
| 110 | ->select( '1' ) |
| 111 | ->from( 'updatelog' ) |
| 112 | ->where( [ 'ul_key' => 'populate interwiki' ] ) |
| 113 | ->caller( __METHOD__ )->fetchRow(); |
| 114 | |
| 115 | if ( $row ) { |
| 116 | $this->output( "Interwiki table already populated. Use php " . |
| 117 | "maintenance/populateInterwiki.php\n--force from the command line " . |
| 118 | "to override.\n" ); |
| 119 | return true; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | $lookup = $this->getServiceContainer()->getInterwikiLookup(); |
| 124 | foreach ( $data as $d ) { |
| 125 | $prefix = $d['prefix']; |
| 126 | |
| 127 | $row = $dbw->newSelectQueryBuilder() |
| 128 | ->select( '1' ) |
| 129 | ->from( 'interwiki' ) |
| 130 | ->where( [ 'iw_prefix' => $prefix ] ) |
| 131 | ->caller( __METHOD__ )->fetchRow(); |
| 132 | |
| 133 | if ( !$row ) { |
| 134 | $dbw->newInsertQueryBuilder() |
| 135 | ->insertInto( 'interwiki' ) |
| 136 | ->ignore() |
| 137 | ->row( [ |
| 138 | 'iw_prefix' => $prefix, |
| 139 | 'iw_url' => $d['url'], |
| 140 | 'iw_local' => 1, |
| 141 | 'iw_api' => '', |
| 142 | 'iw_wikiid' => '', |
| 143 | ] ) |
| 144 | ->caller( __METHOD__ )->execute(); |
| 145 | } |
| 146 | |
| 147 | $lookup->invalidateCache( $prefix ); |
| 148 | } |
| 149 | |
| 150 | $this->output( "Interwiki links are populated.\n" ); |
| 151 | |
| 152 | return true; |
| 153 | } |
| 154 | |
| 155 | } |
| 156 | |
| 157 | // @codeCoverageIgnoreStart |
| 158 | $maintClass = PopulateInterwiki::class; |
| 159 | require_once RUN_MAINTENANCE_IF_MAIN; |
| 160 | // @codeCoverageIgnoreEnd |