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| 1 | <?php |
| 2 | /** |
| 3 | * Contain log classes |
| 4 | * |
| 5 | * Copyright © 2002, 2004 Brooke Vibber <bvibber@wikimedia.org> |
| 6 | * https://www.mediawiki.org/ |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 21 | * http://www.gnu.org/copyleft/gpl.html |
| 22 | * |
| 23 | * @file |
| 24 | */ |
| 25 | |
| 26 | use MediaWiki\Context\RequestContext; |
| 27 | use MediaWiki\MainConfigNames; |
| 28 | use MediaWiki\MediaWikiServices; |
| 29 | use MediaWiki\SpecialPage\SpecialPage; |
| 30 | use MediaWiki\StubObject\StubUserLang; |
| 31 | use MediaWiki\Title\Title; |
| 32 | use MediaWiki\User\User; |
| 33 | use MediaWiki\User\UserIdentity; |
| 34 | |
| 35 | /** |
| 36 | * Class to simplify the use of log pages. |
| 37 | * The logs are now kept in a table which is easier to manage and trim |
| 38 | * than ever-growing wiki pages. |
| 39 | * |
| 40 | * @newable |
| 41 | * @note marked as newable in 1.35 for lack of a better alternative, |
| 42 | * but should become a stateless service, use the command pattern. |
| 43 | */ |
| 44 | class LogPage { |
| 45 | public const DELETED_ACTION = 1; |
| 46 | public const DELETED_COMMENT = 2; |
| 47 | public const DELETED_USER = 4; |
| 48 | public const DELETED_RESTRICTED = 8; |
| 49 | |
| 50 | // Convenience fields |
| 51 | public const SUPPRESSED_USER = self::DELETED_USER | self::DELETED_RESTRICTED; |
| 52 | public const SUPPRESSED_ACTION = self::DELETED_ACTION | self::DELETED_RESTRICTED; |
| 53 | |
| 54 | /** @var bool */ |
| 55 | public $updateRecentChanges; |
| 56 | |
| 57 | /** @var bool */ |
| 58 | public $sendToUDP; |
| 59 | |
| 60 | /** @var string Plaintext version of the message for IRC */ |
| 61 | private $ircActionText; |
| 62 | |
| 63 | /** @var string Plaintext version of the message */ |
| 64 | private $actionText; |
| 65 | |
| 66 | /** @var string One of '', 'block', 'protect', 'rights', 'delete', |
| 67 | * 'upload', 'move' |
| 68 | */ |
| 69 | private $type; |
| 70 | |
| 71 | /** @var string One of '', 'block', 'protect', 'rights', 'delete', |
| 72 | * 'upload', 'move', 'move_redir' |
| 73 | */ |
| 74 | private $action; |
| 75 | |
| 76 | /** @var string Comment associated with action */ |
| 77 | private $comment; |
| 78 | |
| 79 | /** @var string Blob made of a parameters array */ |
| 80 | private $params; |
| 81 | |
| 82 | /** @var UserIdentity The user doing the action */ |
| 83 | private $performer; |
| 84 | |
| 85 | /** @var Title */ |
| 86 | private $target; |
| 87 | |
| 88 | /** |
| 89 | * @stable to call |
| 90 | * @param string $type One of '', 'block', 'protect', 'rights', 'delete', |
| 91 | * 'upload', 'move' |
| 92 | * @param bool $rc Whether to update recent changes as well as the logging table |
| 93 | * @param string $udp Pass 'UDP' to send to the UDP feed if NOT sent to RC |
| 94 | */ |
| 95 | public function __construct( $type, $rc = true, $udp = 'skipUDP' ) { |
| 96 | $this->type = $type; |
| 97 | $this->updateRecentChanges = $rc; |
| 98 | $this->sendToUDP = ( $udp == 'UDP' ); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @return int The log_id of the inserted log entry |
| 103 | */ |
| 104 | protected function saveContent() { |
| 105 | $logRestrictions = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::LogRestrictions ); |
| 106 | |
| 107 | $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase(); |
| 108 | |
| 109 | $now = wfTimestampNow(); |
| 110 | $actorId = MediaWikiServices::getInstance()->getActorNormalization() |
| 111 | ->acquireActorId( $this->performer, $dbw ); |
| 112 | $data = [ |
| 113 | 'log_type' => $this->type, |
| 114 | 'log_action' => $this->action, |
| 115 | 'log_timestamp' => $dbw->timestamp( $now ), |
| 116 | 'log_actor' => $actorId, |
| 117 | 'log_namespace' => $this->target->getNamespace(), |
| 118 | 'log_title' => $this->target->getDBkey(), |
| 119 | 'log_page' => $this->target->getArticleID(), |
| 120 | 'log_params' => $this->params |
| 121 | ]; |
| 122 | $data += MediaWikiServices::getInstance()->getCommentStore()->insert( |
| 123 | $dbw, |
| 124 | 'log_comment', |
| 125 | $this->comment |
| 126 | ); |
| 127 | $dbw->newInsertQueryBuilder() |
| 128 | ->insertInto( 'logging' ) |
| 129 | ->row( $data ) |
| 130 | ->caller( __METHOD__ )->execute(); |
| 131 | $newId = $dbw->insertId(); |
| 132 | |
| 133 | # And update recentchanges |
| 134 | if ( $this->updateRecentChanges ) { |
| 135 | $titleObj = SpecialPage::getTitleFor( 'Log', $this->type ); |
| 136 | |
| 137 | RecentChange::notifyLog( |
| 138 | $now, $titleObj, $this->performer, $this->getRcComment(), '', |
| 139 | $this->type, $this->action, $this->target, $this->comment, |
| 140 | $this->params, $newId, $this->getRcCommentIRC() |
| 141 | ); |
| 142 | } elseif ( $this->sendToUDP ) { |
| 143 | # Don't send private logs to UDP |
| 144 | if ( isset( $logRestrictions[$this->type] ) && $logRestrictions[$this->type] != '*' ) { |
| 145 | return $newId; |
| 146 | } |
| 147 | |
| 148 | // Notify external application via UDP. |
| 149 | // We send this to IRC but do not want to add it the RC table. |
| 150 | $titleObj = SpecialPage::getTitleFor( 'Log', $this->type ); |
| 151 | $rc = RecentChange::newLogEntry( |
| 152 | $now, $titleObj, $this->performer, $this->getRcComment(), '', |
| 153 | $this->type, $this->action, $this->target, $this->comment, |
| 154 | $this->params, $newId, $this->getRcCommentIRC() |
| 155 | ); |
| 156 | $rc->notifyRCFeeds(); |
| 157 | } |
| 158 | |
| 159 | return $newId; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Get the RC comment from the last addEntry() call |
| 164 | * |
| 165 | * @return string |
| 166 | */ |
| 167 | public function getRcComment() { |
| 168 | $rcComment = $this->actionText; |
| 169 | |
| 170 | if ( $this->comment != '' ) { |
| 171 | if ( $rcComment == '' ) { |
| 172 | $rcComment = $this->comment; |
| 173 | } else { |
| 174 | $rcComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . |
| 175 | $this->comment; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return $rcComment; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Get the RC comment from the last addEntry() call for IRC |
| 184 | * |
| 185 | * @return string |
| 186 | */ |
| 187 | public function getRcCommentIRC() { |
| 188 | $rcComment = $this->ircActionText; |
| 189 | |
| 190 | if ( $this->comment != '' ) { |
| 191 | if ( $rcComment == '' ) { |
| 192 | $rcComment = $this->comment; |
| 193 | } else { |
| 194 | $rcComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . |
| 195 | $this->comment; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | return $rcComment; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Get the comment from the last addEntry() call |
| 204 | * @return string |
| 205 | */ |
| 206 | public function getComment() { |
| 207 | return $this->comment; |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Get the list of valid log types |
| 212 | * |
| 213 | * @return string[] |
| 214 | */ |
| 215 | public static function validTypes() { |
| 216 | $logTypes = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::LogTypes ); |
| 217 | |
| 218 | return $logTypes; |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Is $type a valid log type |
| 223 | * |
| 224 | * @param string $type Log type to check |
| 225 | * @return bool |
| 226 | */ |
| 227 | public static function isLogType( $type ) { |
| 228 | return in_array( $type, self::validTypes() ); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Generate text for a log entry. |
| 233 | * Only LogFormatter should call this function. |
| 234 | * |
| 235 | * @param string $type Log type |
| 236 | * @param string $action Log action |
| 237 | * @param Title|null $title |
| 238 | * @param Skin|null $skin Skin object or null. If null, we want to use the wiki |
| 239 | * content language, since that will go to the IRC feed. |
| 240 | * @param array $params |
| 241 | * @param bool $filterWikilinks Whether to filter wiki links |
| 242 | * @return string HTML |
| 243 | */ |
| 244 | public static function actionText( $type, $action, $title = null, $skin = null, |
| 245 | $params = [], $filterWikilinks = false |
| 246 | ) { |
| 247 | global $wgLang; |
| 248 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
| 249 | $key = "$type/$action"; |
| 250 | |
| 251 | $logActions = $config->get( MainConfigNames::LogActions ); |
| 252 | |
| 253 | if ( isset( $logActions[$key] ) ) { |
| 254 | $message = $logActions[$key]; |
| 255 | } else { |
| 256 | wfDebug( "LogPage::actionText - unknown action $key" ); |
| 257 | $message = "log-unknown-action"; |
| 258 | $params = [ $key ]; |
| 259 | } |
| 260 | |
| 261 | if ( $skin === null ) { |
| 262 | $langObj = MediaWikiServices::getInstance()->getContentLanguage(); |
| 263 | $langObjOrNull = null; |
| 264 | } else { |
| 265 | // TODO Is $skin->getLanguage() safe here? |
| 266 | StubUserLang::unstub( $wgLang ); |
| 267 | $langObj = $wgLang; |
| 268 | $langObjOrNull = $wgLang; |
| 269 | } |
| 270 | if ( $title === null ) { |
| 271 | $rv = wfMessage( $message )->inLanguage( $langObj )->escaped(); |
| 272 | } else { |
| 273 | $titleLink = self::getTitleLink( $title, $langObjOrNull ); |
| 274 | |
| 275 | if ( count( $params ) == 0 ) { |
| 276 | $rv = wfMessage( $message )->rawParams( $titleLink ) |
| 277 | ->inLanguage( $langObj )->escaped(); |
| 278 | } else { |
| 279 | array_unshift( $params, $titleLink ); |
| 280 | |
| 281 | $rv = wfMessage( $message )->rawParams( $params ) |
| 282 | ->inLanguage( $langObj )->escaped(); |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | // For the perplexed, this feature was added in r7855 by Erik. |
| 287 | // The feature was added because we liked adding [[$1]] in our log entries |
| 288 | // but the log entries are parsed as Wikitext on RecentChanges but as HTML |
| 289 | // on Special:Log. The hack is essentially that [[$1]] represented a link |
| 290 | // to the title in question. The first parameter to the HTML version (Special:Log) |
| 291 | // is that link in HTML form, and so this just gets rid of the ugly [[]]. |
| 292 | // However, this is a horrible hack and it doesn't work like you expect if, say, |
| 293 | // you want to link to something OTHER than the title of the log entry. |
| 294 | // The real problem, which Erik was trying to fix (and it sort-of works now) is |
| 295 | // that the same messages are being treated as both wikitext *and* HTML. |
| 296 | if ( $filterWikilinks ) { |
| 297 | $rv = str_replace( '[[', '', $rv ); |
| 298 | $rv = str_replace( ']]', '', $rv ); |
| 299 | } |
| 300 | |
| 301 | return $rv; |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * @param Title $title |
| 306 | * @param ?Language $lang |
| 307 | * @return string HTML |
| 308 | */ |
| 309 | private static function getTitleLink( Title $title, ?Language $lang ): string { |
| 310 | if ( !$lang ) { |
| 311 | return $title->getPrefixedText(); |
| 312 | } |
| 313 | |
| 314 | $services = MediaWikiServices::getInstance(); |
| 315 | $linkRenderer = $services->getLinkRenderer(); |
| 316 | |
| 317 | if ( $title->isSpecialPage() ) { |
| 318 | [ $name, $par ] = $services->getSpecialPageFactory()->resolveAlias( $title->getDBkey() ); |
| 319 | |
| 320 | if ( $name === 'Log' ) { |
| 321 | $logPage = new LogPage( $par ); |
| 322 | return wfMessage( 'parentheses' ) |
| 323 | ->rawParams( $linkRenderer->makeLink( $title, $logPage->getName()->text() ) ) |
| 324 | ->inLanguage( $lang ) |
| 325 | ->escaped(); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | return $linkRenderer->makeLink( $title ); |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * Add a log entry |
| 334 | * |
| 335 | * @param string $action One of '', 'block', 'protect', 'rights', 'delete', |
| 336 | * 'upload', 'move', 'move_redir' |
| 337 | * @param Title $target |
| 338 | * @param string|null $comment Description associated |
| 339 | * @param array $params Parameters passed later to wfMessage function |
| 340 | * @param int|UserIdentity $performer The user doing the action, or their user id. |
| 341 | * Calling with user ID is deprecated since 1.36. |
| 342 | * |
| 343 | * @return int The log_id of the inserted log entry |
| 344 | */ |
| 345 | public function addEntry( $action, $target, $comment, $params, $performer ) { |
| 346 | // FIXME $params is only documented to accept an array |
| 347 | if ( !is_array( $params ) ) { |
| 348 | $params = [ $params ]; |
| 349 | } |
| 350 | |
| 351 | # Trim spaces on user supplied text |
| 352 | $comment = trim( $comment ?? '' ); |
| 353 | |
| 354 | $this->action = $action; |
| 355 | $this->target = $target; |
| 356 | $this->comment = $comment; |
| 357 | $this->params = self::makeParamBlob( $params ); |
| 358 | |
| 359 | if ( !is_object( $performer ) ) { |
| 360 | $performer = User::newFromId( $performer ); |
| 361 | } |
| 362 | |
| 363 | $this->performer = $performer; |
| 364 | |
| 365 | $logEntry = new ManualLogEntry( $this->type, $action ); |
| 366 | $logEntry->setTarget( $target ); |
| 367 | $logEntry->setPerformer( $performer ); |
| 368 | $logEntry->setParameters( $params ); |
| 369 | // All log entries using the LogPage to insert into the logging table |
| 370 | // are using the old logging system and therefore the legacy flag is |
| 371 | // needed to say the LogFormatter the parameters have numeric keys |
| 372 | $logEntry->setLegacy( true ); |
| 373 | |
| 374 | $formatter = LogFormatter::newFromEntry( $logEntry ); |
| 375 | $context = RequestContext::newExtraneousContext( $target ); |
| 376 | $formatter->setContext( $context ); |
| 377 | |
| 378 | $this->actionText = $formatter->getPlainActionText(); |
| 379 | $this->ircActionText = $formatter->getIRCActionText(); |
| 380 | |
| 381 | return $this->saveContent(); |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Add relations to log_search table |
| 386 | * |
| 387 | * @param string $field |
| 388 | * @param array $values |
| 389 | * @param int $logid |
| 390 | * @return bool |
| 391 | */ |
| 392 | public function addRelations( $field, $values, $logid ) { |
| 393 | if ( !strlen( $field ) || !$values ) { |
| 394 | return false; |
| 395 | } |
| 396 | $insert = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase() |
| 397 | ->newInsertQueryBuilder() |
| 398 | ->insertInto( 'log_search' ) |
| 399 | ->ignore(); |
| 400 | foreach ( $values as $value ) { |
| 401 | $insert->row( [ 'ls_field' => $field, 'ls_value' => $value, 'ls_log_id' => $logid ] ); |
| 402 | } |
| 403 | $insert->caller( __METHOD__ )->execute(); |
| 404 | |
| 405 | return true; |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * Create a blob from a parameter array |
| 410 | * |
| 411 | * @param array $params |
| 412 | * @return string |
| 413 | */ |
| 414 | public static function makeParamBlob( $params ) { |
| 415 | return implode( "\n", $params ); |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Extract a parameter array from a blob |
| 420 | * |
| 421 | * @param string $blob |
| 422 | * @return array |
| 423 | */ |
| 424 | public static function extractParams( $blob ) { |
| 425 | if ( $blob === '' ) { |
| 426 | return []; |
| 427 | } else { |
| 428 | return explode( "\n", $blob ); |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * Name of the log. |
| 434 | * @return Message |
| 435 | * @since 1.19 |
| 436 | */ |
| 437 | public function getName() { |
| 438 | $logNames = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::LogNames ); |
| 439 | |
| 440 | // BC |
| 441 | $key = $logNames[$this->type] ?? 'log-name-' . $this->type; |
| 442 | |
| 443 | return wfMessage( $key ); |
| 444 | } |
| 445 | |
| 446 | /** |
| 447 | * Description of this log type. |
| 448 | * @return Message |
| 449 | * @since 1.19 |
| 450 | */ |
| 451 | public function getDescription() { |
| 452 | $logHeaders = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::LogHeaders ); |
| 453 | // BC |
| 454 | $key = $logHeaders[$this->type] ?? 'log-description-' . $this->type; |
| 455 | |
| 456 | return wfMessage( $key ); |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * Returns the right needed to read this log type. |
| 461 | * @return string |
| 462 | * @since 1.19 |
| 463 | */ |
| 464 | public function getRestriction() { |
| 465 | $logRestrictions = MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::LogRestrictions ); |
| 466 | // The empty string fallback will |
| 467 | // always return true in permission check |
| 468 | return $logRestrictions[$this->type] ?? ''; |
| 469 | } |
| 470 | |
| 471 | /** |
| 472 | * Tells if this log is not viewable by all. |
| 473 | * @return bool |
| 474 | * @since 1.19 |
| 475 | */ |
| 476 | public function isRestricted() { |
| 477 | $restriction = $this->getRestriction(); |
| 478 | |
| 479 | return $restriction !== '' && $restriction !== '*'; |
| 480 | } |
| 481 | } |