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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | * @ingroup Pager |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\Pager; |
| 23 | |
| 24 | use DateTime; |
| 25 | use MediaWiki\Cache\LinkBatchFactory; |
| 26 | use MediaWiki\CommentFormatter\CommentFormatter; |
| 27 | use MediaWiki\Context\IContextSource; |
| 28 | use MediaWiki\HookContainer\HookContainer; |
| 29 | use MediaWiki\Linker\LinkRenderer; |
| 30 | use MediaWiki\MediaWikiServices; |
| 31 | use MediaWiki\Revision\RevisionStore; |
| 32 | use MediaWiki\SpecialPage\ContributionsRangeTrait; |
| 33 | use MediaWiki\Title\NamespaceInfo; |
| 34 | use MediaWiki\User\UserIdentity; |
| 35 | use Wikimedia\IPUtils; |
| 36 | use Wikimedia\Rdbms\IConnectionProvider; |
| 37 | use Wikimedia\Rdbms\IExpression; |
| 38 | use Wikimedia\Rdbms\IReadableDatabase; |
| 39 | |
| 40 | /** |
| 41 | * Pager for Special:Contributions |
| 42 | * |
| 43 | * Most of the work is done by the parent class. This class: |
| 44 | * - handles using the ip_changes table in case of an IP range target |
| 45 | * - provides static utility functions (kept here for backwards compatibility) |
| 46 | * |
| 47 | * @ingroup Pager |
| 48 | */ |
| 49 | class ContribsPager extends ContributionsPager { |
| 50 | |
| 51 | use ContributionsRangeTrait; |
| 52 | |
| 53 | /** |
| 54 | * FIXME List services first T266484 / T290405 |
| 55 | */ |
| 56 | public function __construct( |
| 57 | IContextSource $context, |
| 58 | array $options, |
| 59 | ?LinkRenderer $linkRenderer = null, |
| 60 | ?LinkBatchFactory $linkBatchFactory = null, |
| 61 | ?HookContainer $hookContainer = null, |
| 62 | ?IConnectionProvider $dbProvider = null, |
| 63 | ?RevisionStore $revisionStore = null, |
| 64 | ?NamespaceInfo $namespaceInfo = null, |
| 65 | ?UserIdentity $targetUser = null, |
| 66 | ?CommentFormatter $commentFormatter = null |
| 67 | ) { |
| 68 | // Class is used directly in extensions - T266484 |
| 69 | $services = MediaWikiServices::getInstance(); |
| 70 | $dbProvider ??= $services->getConnectionProvider(); |
| 71 | |
| 72 | parent::__construct( |
| 73 | $linkRenderer ?? $services->getLinkRenderer(), |
| 74 | $linkBatchFactory ?? $services->getLinkBatchFactory(), |
| 75 | $hookContainer ?? $services->getHookContainer(), |
| 76 | $revisionStore ?? $services->getRevisionStore(), |
| 77 | $namespaceInfo ?? $services->getNamespaceInfo(), |
| 78 | $commentFormatter ?? $services->getCommentFormatter(), |
| 79 | $services->getUserFactory(), |
| 80 | $context, |
| 81 | $options, |
| 82 | $targetUser |
| 83 | ); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Return the table targeted for ordering and continuation |
| 88 | * |
| 89 | * See T200259 and T221380. |
| 90 | * |
| 91 | * @warning Keep this in sync with self::getQueryInfo()! |
| 92 | * |
| 93 | * @return string |
| 94 | */ |
| 95 | private function getTargetTable() { |
| 96 | $dbr = $this->getDatabase(); |
| 97 | $ipRangeConds = $this->targetUser->isRegistered() |
| 98 | ? null : $this->getIpRangeConds( $dbr, $this->target ); |
| 99 | if ( $ipRangeConds ) { |
| 100 | return 'ip_changes'; |
| 101 | } |
| 102 | |
| 103 | return 'revision'; |
| 104 | } |
| 105 | |
| 106 | protected function getRevisionQuery() { |
| 107 | $revQuery = $this->revisionStore->getQueryInfo( [ 'page', 'user' ] ); |
| 108 | $queryInfo = [ |
| 109 | 'tables' => $revQuery['tables'], |
| 110 | 'fields' => array_merge( $revQuery['fields'], [ 'page_is_new' ] ), |
| 111 | 'conds' => [], |
| 112 | 'options' => [], |
| 113 | 'join_conds' => $revQuery['joins'], |
| 114 | ]; |
| 115 | |
| 116 | // WARNING: Keep this in sync with getTargetTable()! |
| 117 | $ipRangeConds = !$this->targetUser->isRegistered() ? |
| 118 | $this->getIpRangeConds( $this->getDatabase(), $this->target ) : |
| 119 | null; |
| 120 | if ( $ipRangeConds ) { |
| 121 | // Put ip_changes first (T284419) |
| 122 | array_unshift( $queryInfo['tables'], 'ip_changes' ); |
| 123 | $queryInfo['join_conds']['revision'] = [ |
| 124 | 'JOIN', [ 'rev_id = ipc_rev_id' ] |
| 125 | ]; |
| 126 | $queryInfo['conds'][] = $ipRangeConds; |
| 127 | } else { |
| 128 | $queryInfo['conds']['actor_name'] = $this->targetUser->getName(); |
| 129 | // Force the appropriate index to avoid bad query plans (T307295) |
| 130 | $queryInfo['options']['USE INDEX']['revision'] = 'rev_actor_timestamp'; |
| 131 | } |
| 132 | |
| 133 | return $queryInfo; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Get SQL conditions for an IP range, if applicable |
| 138 | * @param IReadableDatabase $db |
| 139 | * @param string $ip The IP address or CIDR |
| 140 | * @return IExpression|false SQL for valid IP ranges, false if invalid |
| 141 | */ |
| 142 | private function getIpRangeConds( $db, $ip ) { |
| 143 | // First make sure it is a valid range and they are not outside the CIDR limit |
| 144 | if ( !$this->isQueryableRange( $ip, $this->getConfig() ) ) { |
| 145 | return false; |
| 146 | } |
| 147 | |
| 148 | [ $start, $end ] = IPUtils::parseRange( $ip ); |
| 149 | |
| 150 | return $db->expr( 'ipc_hex', '>=', $start )->and( 'ipc_hex', '<=', $end ); |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * @return string |
| 155 | */ |
| 156 | public function getIndexField() { |
| 157 | // The returned column is used for sorting and continuation, so we need to |
| 158 | // make sure to use the right denormalized column depending on which table is |
| 159 | // being targeted by the query to avoid bad query plans. |
| 160 | // See T200259, T204669, T220991, and T221380. |
| 161 | $target = $this->getTargetTable(); |
| 162 | switch ( $target ) { |
| 163 | case 'revision': |
| 164 | return 'rev_timestamp'; |
| 165 | case 'ip_changes': |
| 166 | return 'ipc_rev_timestamp'; |
| 167 | default: |
| 168 | wfWarn( |
| 169 | __METHOD__ . ": Unknown value '$target' from " . static::class . '::getTargetTable()', 0 |
| 170 | ); |
| 171 | return 'rev_timestamp'; |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * @return string[] |
| 177 | */ |
| 178 | protected function getExtraSortFields() { |
| 179 | // The returned columns are used for sorting, so we need to make sure |
| 180 | // to use the right denormalized column depending on which table is |
| 181 | // being targeted by the query to avoid bad query plans. |
| 182 | // See T200259, T204669, T220991, and T221380. |
| 183 | $target = $this->getTargetTable(); |
| 184 | switch ( $target ) { |
| 185 | case 'revision': |
| 186 | return [ 'rev_id' ]; |
| 187 | case 'ip_changes': |
| 188 | return [ 'ipc_rev_id' ]; |
| 189 | default: |
| 190 | wfWarn( |
| 191 | __METHOD__ . ": Unknown value '$target' from " . static::class . '::getTargetTable()', 0 |
| 192 | ); |
| 193 | return [ 'rev_id' ]; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Set up date filter options, given request data. |
| 199 | * |
| 200 | * @param array $opts Options array |
| 201 | * @return array Options array with processed start and end date filter options |
| 202 | */ |
| 203 | public static function processDateFilter( array $opts ) { |
| 204 | $start = $opts['start'] ?? ''; |
| 205 | $end = $opts['end'] ?? ''; |
| 206 | $year = $opts['year'] ?? ''; |
| 207 | $month = $opts['month'] ?? ''; |
| 208 | |
| 209 | if ( $start !== '' && $end !== '' && $start > $end ) { |
| 210 | $temp = $start; |
| 211 | $start = $end; |
| 212 | $end = $temp; |
| 213 | } |
| 214 | |
| 215 | // If year/month legacy filtering options are set, convert them to display the new stamp |
| 216 | if ( $year !== '' || $month !== '' ) { |
| 217 | // Reuse getDateCond logic, but subtract a day because |
| 218 | // the endpoints of our date range appear inclusive |
| 219 | // but the internal end offsets are always exclusive |
| 220 | $legacyTimestamp = ReverseChronologicalPager::getOffsetDate( $year, $month ); |
| 221 | $legacyDateTime = new DateTime( $legacyTimestamp->getTimestamp( TS_ISO_8601 ) ); |
| 222 | $legacyDateTime = $legacyDateTime->modify( '-1 day' ); |
| 223 | |
| 224 | // Clear the new timestamp range options if used and |
| 225 | // replace with the converted legacy timestamp |
| 226 | $start = ''; |
| 227 | $end = $legacyDateTime->format( 'Y-m-d' ); |
| 228 | } |
| 229 | |
| 230 | $opts['start'] = $start; |
| 231 | $opts['end'] = $end; |
| 232 | |
| 233 | return $opts; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Retain the old class name for backwards compatibility. |
| 239 | * @deprecated since 1.41 |
| 240 | */ |
| 241 | class_alias( ContribsPager::class, 'ContribsPager' ); |