wikimedia /
mediawiki
This project does not seem to handle request data directly as such no vulnerable execution paths were found.
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| 1 | <?php |
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| 2 | /** |
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| 3 | * API for MediaWiki 1.12+ |
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| 4 | * |
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| 5 | * Created on May 10, 2010 |
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| 6 | * |
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| 7 | * Copyright © 2010 Sam Reed |
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| 8 | * Copyright © 2008 Vasiliev Victor [email protected], |
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| 9 | * based on ApiQueryAllPages.php |
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| 10 | * |
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| 11 | * This program is free software; you can redistribute it and/or modify |
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| 12 | * it under the terms of the GNU General Public License as published by |
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| 13 | * the Free Software Foundation; either version 2 of the License, or |
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| 14 | * (at your option) any later version. |
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| 15 | * |
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| 16 | * This program is distributed in the hope that it will be useful, |
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 | * GNU General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU General Public License along |
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| 22 | * with this program; if not, write to the Free Software Foundation, Inc., |
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| 23 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 24 | * http://www.gnu.org/copyleft/gpl.html |
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| 25 | * |
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| 26 | * @file |
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| 27 | */ |
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| 28 | |||
| 29 | /** |
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| 30 | * Query module to enumerate all deleted files. |
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| 31 | * |
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| 32 | * @ingroup API |
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| 33 | */ |
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| 34 | class ApiQueryFilearchive extends ApiQueryBase { |
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| 35 | |||
| 36 | public function __construct( ApiQuery $query, $moduleName ) { |
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| 37 | parent::__construct( $query, $moduleName, 'fa' ); |
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| 38 | } |
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| 39 | |||
| 40 | public function execute() { |
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| 41 | $user = $this->getUser(); |
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| 42 | // Before doing anything at all, let's check permissions |
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| 43 | if ( !$user->isAllowed( 'deletedhistory' ) ) { |
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| 44 | $this->dieUsage( |
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| 45 | 'You don\'t have permission to view deleted file information', |
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| 46 | 'permissiondenied' |
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| 47 | ); |
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| 48 | } |
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| 49 | |||
| 50 | $db = $this->getDB(); |
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| 51 | |||
| 52 | $params = $this->extractRequestParams(); |
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| 53 | |||
| 54 | $prop = array_flip( $params['prop'] ); |
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| 55 | $fld_sha1 = isset( $prop['sha1'] ); |
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| 56 | $fld_timestamp = isset( $prop['timestamp'] ); |
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| 57 | $fld_user = isset( $prop['user'] ); |
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| 58 | $fld_size = isset( $prop['size'] ); |
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| 59 | $fld_dimensions = isset( $prop['dimensions'] ); |
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| 60 | $fld_description = isset( $prop['description'] ) || isset( $prop['parseddescription'] ); |
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| 61 | $fld_mime = isset( $prop['mime'] ); |
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| 62 | $fld_mediatype = isset( $prop['mediatype'] ); |
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| 63 | $fld_metadata = isset( $prop['metadata'] ); |
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| 64 | $fld_bitdepth = isset( $prop['bitdepth'] ); |
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| 65 | $fld_archivename = isset( $prop['archivename'] ); |
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| 66 | |||
| 67 | $this->addTables( 'filearchive' ); |
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| 68 | |||
| 69 | $this->addFields( ArchivedFile::selectFields() ); |
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| 70 | $this->addFields( [ 'fa_id', 'fa_name', 'fa_timestamp', 'fa_deleted' ] ); |
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| 71 | $this->addFieldsIf( 'fa_sha1', $fld_sha1 ); |
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| 72 | $this->addFieldsIf( [ 'fa_user', 'fa_user_text' ], $fld_user ); |
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| 73 | $this->addFieldsIf( [ 'fa_height', 'fa_width', 'fa_size' ], $fld_dimensions || $fld_size ); |
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| 74 | $this->addFieldsIf( 'fa_description', $fld_description ); |
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| 75 | $this->addFieldsIf( [ 'fa_major_mime', 'fa_minor_mime' ], $fld_mime ); |
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| 76 | $this->addFieldsIf( 'fa_media_type', $fld_mediatype ); |
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| 77 | $this->addFieldsIf( 'fa_metadata', $fld_metadata ); |
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| 78 | $this->addFieldsIf( 'fa_bits', $fld_bitdepth ); |
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| 79 | $this->addFieldsIf( 'fa_archive_name', $fld_archivename ); |
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| 80 | |||
| 81 | View Code Duplication | if ( !is_null( $params['continue'] ) ) { |
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| 82 | $cont = explode( '|', $params['continue'] ); |
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| 83 | $this->dieContinueUsageIf( count( $cont ) != 3 ); |
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| 84 | $op = $params['dir'] == 'descending' ? '<' : '>'; |
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| 85 | $cont_from = $db->addQuotes( $cont[0] ); |
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| 86 | $cont_timestamp = $db->addQuotes( $db->timestamp( $cont[1] ) ); |
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| 87 | $cont_id = (int)$cont[2]; |
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| 88 | $this->dieContinueUsageIf( $cont[2] !== (string)$cont_id ); |
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| 89 | $this->addWhere( "fa_name $op $cont_from OR " . |
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| 90 | "(fa_name = $cont_from AND " . |
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| 91 | "(fa_timestamp $op $cont_timestamp OR " . |
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| 92 | "(fa_timestamp = $cont_timestamp AND " . |
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| 93 | "fa_id $op= $cont_id )))" |
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| 94 | ); |
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| 95 | } |
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| 96 | |||
| 97 | // Image filters |
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| 98 | $dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' ); |
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| 99 | $from = ( $params['from'] === null ? null : $this->titlePartToKey( $params['from'], NS_FILE ) ); |
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| 100 | $to = ( $params['to'] === null ? null : $this->titlePartToKey( $params['to'], NS_FILE ) ); |
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| 101 | $this->addWhereRange( 'fa_name', $dir, $from, $to ); |
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| 102 | View Code Duplication | if ( isset( $params['prefix'] ) ) { |
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| 103 | $this->addWhere( 'fa_name' . $db->buildLike( |
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| 104 | $this->titlePartToKey( $params['prefix'], NS_FILE ), |
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| 105 | $db->anyString() ) ); |
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| 106 | } |
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| 107 | |||
| 108 | $sha1Set = isset( $params['sha1'] ); |
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| 109 | $sha1base36Set = isset( $params['sha1base36'] ); |
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| 110 | if ( $sha1Set || $sha1base36Set ) { |
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| 111 | $sha1 = false; |
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| 112 | if ( $sha1Set ) { |
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| 113 | $sha1 = strtolower( $params['sha1'] ); |
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| 114 | if ( !$this->validateSha1Hash( $sha1 ) ) { |
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| 115 | $this->dieUsage( 'The SHA1 hash provided is not valid', 'invalidsha1hash' ); |
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| 116 | } |
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| 117 | $sha1 = Wikimedia\base_convert( $sha1, 16, 36, 31 ); |
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| 118 | View Code Duplication | } elseif ( $sha1base36Set ) { |
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| 119 | $sha1 = strtolower( $params['sha1base36'] ); |
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| 120 | if ( !$this->validateSha1Base36Hash( $sha1 ) ) { |
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| 121 | $this->dieUsage( 'The SHA1Base36 hash provided is not valid', 'invalidsha1base36hash' ); |
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| 122 | } |
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| 123 | } |
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| 124 | if ( $sha1 ) { |
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0 ignored issues
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| 125 | $this->addWhereFld( 'fa_sha1', $sha1 ); |
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| 126 | } |
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| 127 | } |
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| 128 | |||
| 129 | // Exclude files this user can't view. |
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| 130 | if ( !$user->isAllowed( 'deletedtext' ) ) { |
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| 131 | $bitmask = File::DELETED_FILE; |
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| 132 | } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) { |
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| 133 | $bitmask = File::DELETED_FILE | File::DELETED_RESTRICTED; |
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| 134 | } else { |
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| 135 | $bitmask = 0; |
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| 136 | } |
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| 137 | if ( $bitmask ) { |
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| 138 | $this->addWhere( $this->getDB()->bitAnd( 'fa_deleted', $bitmask ) . " != $bitmask" ); |
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| 139 | } |
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| 140 | |||
| 141 | $limit = $params['limit']; |
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| 142 | $this->addOption( 'LIMIT', $limit + 1 ); |
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| 143 | $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' ); |
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| 144 | $this->addOption( 'ORDER BY', [ |
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| 145 | 'fa_name' . $sort, |
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| 146 | 'fa_timestamp' . $sort, |
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| 147 | 'fa_id' . $sort, |
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| 148 | ] ); |
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| 149 | |||
| 150 | $res = $this->select( __METHOD__ ); |
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| 151 | |||
| 152 | $count = 0; |
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| 153 | $result = $this->getResult(); |
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| 154 | foreach ( $res as $row ) { |
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| 155 | if ( ++$count > $limit ) { |
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| 156 | // We've reached the one extra which shows that there are |
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| 157 | // additional pages to be had. Stop here... |
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| 158 | $this->setContinueEnumParameter( |
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| 159 | 'continue', "$row->fa_name|$row->fa_timestamp|$row->fa_id" |
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| 160 | ); |
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| 161 | break; |
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| 162 | } |
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| 163 | |||
| 164 | $file = []; |
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| 165 | $file['id'] = (int)$row->fa_id; |
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| 166 | $file['name'] = $row->fa_name; |
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| 167 | $title = Title::makeTitle( NS_FILE, $row->fa_name ); |
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| 168 | self::addTitleInfo( $file, $title ); |
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| 169 | |||
| 170 | if ( $fld_description && |
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| 171 | Revision::userCanBitfield( $row->fa_deleted, File::DELETED_COMMENT, $user ) |
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| 172 | ) { |
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| 173 | $file['description'] = $row->fa_description; |
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| 174 | if ( isset( $prop['parseddescription'] ) ) { |
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| 175 | $file['parseddescription'] = Linker::formatComment( |
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| 176 | $row->fa_description, $title ); |
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| 177 | } |
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| 178 | } |
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| 179 | if ( $fld_user && |
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| 180 | Revision::userCanBitfield( $row->fa_deleted, File::DELETED_USER, $user ) |
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| 181 | ) { |
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| 182 | $file['userid'] = (int)$row->fa_user; |
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| 183 | $file['user'] = $row->fa_user_text; |
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| 184 | } |
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| 185 | if ( $fld_sha1 ) { |
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| 186 | $file['sha1'] = Wikimedia\base_convert( $row->fa_sha1, 36, 16, 40 ); |
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| 187 | } |
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| 188 | if ( $fld_timestamp ) { |
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| 189 | $file['timestamp'] = wfTimestamp( TS_ISO_8601, $row->fa_timestamp ); |
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| 190 | } |
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| 191 | if ( $fld_size || $fld_dimensions ) { |
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| 192 | $file['size'] = $row->fa_size; |
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| 193 | |||
| 194 | $pageCount = ArchivedFile::newFromRow( $row )->pageCount(); |
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| 195 | if ( $pageCount !== false ) { |
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| 196 | $file['pagecount'] = $pageCount; |
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| 197 | } |
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| 198 | |||
| 199 | $file['height'] = $row->fa_height; |
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| 200 | $file['width'] = $row->fa_width; |
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| 201 | } |
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| 202 | if ( $fld_mediatype ) { |
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| 203 | $file['mediatype'] = $row->fa_media_type; |
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| 204 | } |
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| 205 | if ( $fld_metadata ) { |
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| 206 | $file['metadata'] = $row->fa_metadata |
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| 207 | ? ApiQueryImageInfo::processMetaData( unserialize( $row->fa_metadata ), $result ) |
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| 208 | : null; |
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| 209 | } |
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| 210 | if ( $fld_bitdepth ) { |
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| 211 | $file['bitdepth'] = $row->fa_bits; |
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| 212 | } |
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| 213 | if ( $fld_mime ) { |
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| 214 | $file['mime'] = "$row->fa_major_mime/$row->fa_minor_mime"; |
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| 215 | } |
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| 216 | if ( $fld_archivename && !is_null( $row->fa_archive_name ) ) { |
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| 217 | $file['archivename'] = $row->fa_archive_name; |
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| 218 | } |
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| 219 | |||
| 220 | if ( $row->fa_deleted & File::DELETED_FILE ) { |
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| 221 | $file['filehidden'] = true; |
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| 222 | } |
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| 223 | if ( $row->fa_deleted & File::DELETED_COMMENT ) { |
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| 224 | $file['commenthidden'] = true; |
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| 225 | } |
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| 226 | if ( $row->fa_deleted & File::DELETED_USER ) { |
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| 227 | $file['userhidden'] = true; |
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| 228 | } |
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| 229 | if ( $row->fa_deleted & File::DELETED_RESTRICTED ) { |
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| 230 | // This file is deleted for normal admins |
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| 231 | $file['suppressed'] = true; |
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| 232 | } |
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| 233 | |||
| 234 | $fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $file ); |
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| 235 | if ( !$fit ) { |
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| 236 | $this->setContinueEnumParameter( |
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| 237 | 'continue', "$row->fa_name|$row->fa_timestamp|$row->fa_id" |
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| 238 | ); |
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| 239 | break; |
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| 240 | } |
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| 241 | } |
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| 242 | |||
| 243 | $result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'fa' ); |
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| 244 | } |
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| 245 | |||
| 246 | public function getAllowedParams() { |
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| 247 | return [ |
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| 248 | 'from' => null, |
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| 249 | 'to' => null, |
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| 250 | 'prefix' => null, |
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| 251 | 'dir' => [ |
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| 252 | ApiBase::PARAM_DFLT => 'ascending', |
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| 253 | ApiBase::PARAM_TYPE => [ |
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| 254 | 'ascending', |
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| 255 | 'descending' |
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| 256 | ] |
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| 257 | ], |
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| 258 | 'sha1' => null, |
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| 259 | 'sha1base36' => null, |
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| 260 | 'prop' => [ |
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| 261 | ApiBase::PARAM_DFLT => 'timestamp', |
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| 262 | ApiBase::PARAM_ISMULTI => true, |
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| 263 | ApiBase::PARAM_TYPE => [ |
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| 264 | 'sha1', |
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| 265 | 'timestamp', |
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| 266 | 'user', |
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| 267 | 'size', |
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| 268 | 'dimensions', |
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| 269 | 'description', |
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| 270 | 'parseddescription', |
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| 271 | 'mime', |
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| 272 | 'mediatype', |
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| 273 | 'metadata', |
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| 274 | 'bitdepth', |
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| 275 | 'archivename', |
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| 276 | ], |
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| 277 | ApiBase::PARAM_HELP_MSG_PER_VALUE => [], |
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| 278 | ], |
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| 279 | 'limit' => [ |
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| 280 | ApiBase::PARAM_DFLT => 10, |
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| 281 | ApiBase::PARAM_TYPE => 'limit', |
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| 282 | ApiBase::PARAM_MIN => 1, |
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| 283 | ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1, |
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| 284 | ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2 |
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| 285 | ], |
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| 286 | 'continue' => [ |
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| 287 | ApiBase::PARAM_HELP_MSG => 'api-help-param-continue', |
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| 288 | ], |
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| 289 | ]; |
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| 290 | } |
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| 291 | |||
| 292 | protected function getExamplesMessages() { |
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| 293 | return [ |
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| 294 | 'action=query&list=filearchive' |
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| 295 | => 'apihelp-query+filearchive-example-simple', |
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| 296 | ]; |
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| 297 | } |
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| 298 | |||
| 299 | public function getHelpUrls() { |
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| 300 | return 'https://www.mediawiki.org/wiki/API:Filearchive'; |
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| 301 | } |
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| 302 | } |
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| 303 |
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: