includes/logging/LogPage.php

   1 <?php
   2 /**
   3  * Contain log classes
   4  *
   5  * Copyright © 2002, 2004 Brion Vibber <brion@pobox.com>
   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 /**
  27  * Class to simplify the use of log pages.
  28  * The logs are now kept in a table which is easier to manage and trim
  29  * than ever-growing wiki pages.
  30  */
  31 class LogPage {
  32         const DELETED_ACTION = 1;
  33         const DELETED_COMMENT = 2;
  34         const DELETED_USER = 4;
  35         const DELETED_RESTRICTED = 8;
  36
  37         // Convenience fields
  38         const SUPPRESSED_USER = 12;
  39         const SUPPRESSED_ACTION = 9;
  40
  41         /** @var bool */
  42         public $updateRecentChanges;
  43
  44         /** @var bool */
  45         public $sendToUDP;
  46
  47         /** @var string Plaintext version of the message for IRC */
  48         private $ircActionText;
  49
  50         /** @var string Plaintext version of the message */
  51         private $actionText;
  52
  53         /** @var string One of '', 'block', 'protect', 'rights', 'delete',
  54          *    'upload', 'move'
  55          */
  56         private $type;
  57
  58         /** @var string One of '', 'block', 'protect', 'rights', 'delete',
  59          *   'upload', 'move', 'move_redir' */
  60         private $action;
  61
  62         /** @var string Comment associated with action */
  63         private $comment;
  64
  65         /** @var string Blob made of a parameters array */
  66         private $params;
  67
  68         /** @var User The user doing the action */
  69         private $doer;
  70
  71         /** @var Title */
  72         private $target;
  73
  74         /**
  75          * @param string $type One of '', 'block', 'protect', 'rights', 'delete',
  76          *   'upload', 'move'
  77          * @param bool $rc Whether to update recent changes as well as the logging table
  78          * @param string $udp Pass 'UDP' to send to the UDP feed if NOT sent to RC
  79          */
  80         public function __construct( $type, $rc = true, $udp = 'skipUDP' ) {
  81                 $this->type = $type;
  82                 $this->updateRecentChanges = $rc;
  83                 $this->sendToUDP = ( $udp == 'UDP' );
  84         }
  85
  86         /**
  87          * @return int The log_id of the inserted log entry
  88          */
  89         protected function saveContent() {
  90                 global $wgLogRestrictions;
  91
  92                 $dbw = wfGetDB( DB_MASTER );
  93                 $log_id = $dbw->nextSequenceValue( 'logging_log_id_seq' );
  94
  95                 // @todo FIXME private/protected/public property?
  96                 $this->timestamp = $now = wfTimestampNow();
  97                 $data = [
  98                         'log_id' => $log_id,
  99                         'log_type' => $this->type,
 100                         'log_action' => $this->action,
 101                         'log_timestamp' => $dbw->timestamp( $now ),
 102                         'log_user' => $this->doer->getId(),
 103                         'log_user_text' => $this->doer->getName(),
 104                         'log_namespace' => $this->target->getNamespace(),
 105                         'log_title' => $this->target->getDBkey(),
 106                         'log_page' => $this->target->getArticleID(),
 107                         'log_comment' => $this->comment,
 108                         'log_params' => $this->params
 109                 ];
 110                 $dbw->insert( 'logging', $data, __METHOD__ );
 111                 $newId = $dbw->insertId();
 112
 113                 # And update recentchanges
 114                 if ( $this->updateRecentChanges ) {
 115                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
 116
 117                         RecentChange::notifyLog(
 118                                 $now, $titleObj, $this->doer, $this->getRcComment(), '',
 119                                 $this->type, $this->action, $this->target, $this->comment,
 120                                 $this->params, $newId, $this->getRcCommentIRC()
 121                         );
 122                 } elseif ( $this->sendToUDP ) {
 123                         # Don't send private logs to UDP
 124                         if ( isset( $wgLogRestrictions[$this->type] ) && $wgLogRestrictions[$this->type] != '*' ) {
 125                                 return $newId;
 126                         }
 127
 128                         # Notify external application via UDP.
 129                         # We send this to IRC but do not want to add it the RC table.
 130                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
 131                         $rc = RecentChange::newLogEntry(
 132                                 $now, $titleObj, $this->doer, $this->getRcComment(), '',
 133                                 $this->type, $this->action, $this->target, $this->comment,
 134                                 $this->params, $newId, $this->getRcCommentIRC()
 135                         );
 136                         $rc->notifyRCFeeds();
 137                 }
 138
 139                 return $newId;
 140         }
 141
 142         /**
 143          * Get the RC comment from the last addEntry() call
 144          *
 145          * @return string
 146          */
 147         public function getRcComment() {
 148                 $rcComment = $this->actionText;
 149
 150                 if ( $this->comment != '' ) {
 151                         if ( $rcComment == '' ) {
 152                                 $rcComment = $this->comment;
 153                         } else {
 154                                 $rcComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() .
 155                                         $this->comment;
 156                         }
 157                 }
 158
 159                 return $rcComment;
 160         }
 161
 162         /**
 163          * Get the RC comment from the last addEntry() call for IRC
 164          *
 165          * @return string
 166          */
 167         public function getRcCommentIRC() {
 168                 $rcComment = $this->ircActionText;
 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 comment from the last addEntry() call
 184          * @return string
 185          */
 186         public function getComment() {
 187                 return $this->comment;
 188         }
 189
 190         /**
 191          * Get the list of valid log types
 192          *
 193          * @return array Array of strings
 194          */
 195         public static function validTypes() {
 196                 global $wgLogTypes;
 197
 198                 return $wgLogTypes;
 199         }
 200
 201         /**
 202          * Is $type a valid log type
 203          *
 204          * @param string $type Log type to check
 205          * @return bool
 206          */
 207         public static function isLogType( $type ) {
 208                 return in_array( $type, self::validTypes() );
 209         }
 210
 211         /**
 212          * Generate text for a log entry.
 213          * Only LogFormatter should call this function.
 214          *
 215          * @param string $type Log type
 216          * @param string $action Log action
 217          * @param Title|null $title Title object or null
 218          * @param Skin|null $skin Skin object or null. If null, we want to use the wiki
 219          *   content language, since that will go to the IRC feed.
 220          * @param array $params Parameters
 221          * @param bool $filterWikilinks Whether to filter wiki links
 222          * @return string HTML
 223          */
 224         public static function actionText( $type, $action, $title = null, $skin = null,
 225                 $params = [], $filterWikilinks = false
 226         ) {
 227                 global $wgLang, $wgContLang, $wgLogActions;
 228
 229                 if ( is_null( $skin ) ) {
 230                         $langObj = $wgContLang;
 231                         $langObjOrNull = null;
 232                 } else {
 233                         $langObj = $wgLang;
 234                         $langObjOrNull = $wgLang;
 235                 }
 236
 237                 $key = "$type/$action";
 238
 239                 if ( isset( $wgLogActions[$key] ) ) {
 240                         if ( is_null( $title ) ) {
 241                                 $rv = wfMessage( $wgLogActions[$key] )->inLanguage( $langObj )->escaped();
 242                         } else {
 243                                 $titleLink = self::getTitleLink( $type, $langObjOrNull, $title, $params );
 244
 245                                 if ( count( $params ) == 0 ) {
 246                                         $rv = wfMessage( $wgLogActions[$key] )->rawParams( $titleLink )
 247                                                 ->inLanguage( $langObj )->escaped();
 248                                 } else {
 249                                         array_unshift( $params, $titleLink );
 250
 251                                         $rv = wfMessage( $wgLogActions[$key] )->rawParams( $params )
 252                                                         ->inLanguage( $langObj )->escaped();
 253                                 }
 254                         }
 255                 } else {
 256                         global $wgLogActionsHandlers;
 257
 258                         if ( isset( $wgLogActionsHandlers[$key] ) ) {
 259                                 $args = func_get_args();
 260                                 $rv = call_user_func_array( $wgLogActionsHandlers[$key], $args );
 261                         } else {
 262                                 wfDebug( "LogPage::actionText - unknown action $key\n" );
 263                                 $rv = "$action";
 264                         }
 265                 }
 266
 267                 // For the perplexed, this feature was added in r7855 by Erik.
 268                 // The feature was added because we liked adding [[$1]] in our log entries
 269                 // but the log entries are parsed as Wikitext on RecentChanges but as HTML
 270                 // on Special:Log. The hack is essentially that [[$1]] represented a link
 271                 // to the title in question. The first parameter to the HTML version (Special:Log)
 272                 // is that link in HTML form, and so this just gets rid of the ugly [[]].
 273                 // However, this is a horrible hack and it doesn't work like you expect if, say,
 274                 // you want to link to something OTHER than the title of the log entry.
 275                 // The real problem, which Erik was trying to fix (and it sort-of works now) is
 276                 // that the same messages are being treated as both wikitext *and* HTML.
 277                 if ( $filterWikilinks ) {
 278                         $rv = str_replace( '[[', '', $rv );
 279                         $rv = str_replace( ']]', '', $rv );
 280                 }
 281
 282                 return $rv;
 283         }
 284
 285         /**
 286          * @todo Document
 287          * @param string $type
 288          * @param Language|null $lang
 289          * @param Title $title
 290          * @param array $params
 291          * @return string
 292          */
 293         protected static function getTitleLink( $type, $lang, $title, &$params ) {
 294                 if ( !$lang ) {
 295                         return $title->getPrefixedText();
 296                 }
 297
 298                 if ( $title->isSpecialPage() ) {
 299                         list( $name, $par ) = SpecialPageFactory::resolveAlias( $title->getDBkey() );
 300
 301                         # Use the language name for log titles, rather than Log/X
 302                         if ( $name == 'Log' ) {
 303                                 $logPage = new LogPage( $par );
 304                                 $titleLink = Linker::link( $title, $logPage->getName()->escaped() );
 305                                 $titleLink = wfMessage( 'parentheses' )
 306                                         ->inLanguage( $lang )
 307                                         ->rawParams( $titleLink )
 308                                         ->escaped();
 309                         } else {
 310                                 $titleLink = Linker::link( $title );
 311                         }
 312                 } else {
 313                         $titleLink = Linker::link( $title );
 314                 }
 315
 316                 return $titleLink;
 317         }
 318
 319         /**
 320          * Add a log entry
 321          *
 322          * @param string $action One of '', 'block', 'protect', 'rights', 'delete',
 323          *   'upload', 'move', 'move_redir'
 324          * @param Title $target Title object
 325          * @param string $comment Description associated
 326          * @param array $params Parameters passed later to wfMessage function
 327          * @param null|int|User $doer The user doing the action. null for $wgUser
 328          *
 329          * @return int The log_id of the inserted log entry
 330          */
 331         public function addEntry( $action, $target, $comment, $params = [], $doer = null ) {
 332                 global $wgContLang;
 333
 334                 if ( !is_array( $params ) ) {
 335                         $params = [ $params ];
 336                 }
 337
 338                 if ( $comment === null ) {
 339                         $comment = '';
 340                 }
 341
 342                 # Trim spaces on user supplied text
 343                 $comment = trim( $comment );
 344
 345                 # Truncate for whole multibyte characters.
 346                 $comment = $wgContLang->truncate( $comment, 255 );
 347
 348                 $this->action = $action;
 349                 $this->target = $target;
 350                 $this->comment = $comment;
 351                 $this->params = self::makeParamBlob( $params );
 352
 353                 if ( $doer === null ) {
 354                         global $wgUser;
 355                         $doer = $wgUser;
 356                 } elseif ( !is_object( $doer ) ) {
 357                         $doer = User::newFromId( $doer );
 358                 }
 359
 360                 $this->doer = $doer;
 361
 362                 $logEntry = new ManualLogEntry( $this->type, $action );
 363                 $logEntry->setTarget( $target );
 364                 $logEntry->setPerformer( $doer );
 365                 $logEntry->setParameters( $params );
 366                 // All log entries using the LogPage to insert into the logging table
 367                 // are using the old logging system and therefore the legacy flag is
 368                 // needed to say the LogFormatter the parameters have numeric keys
 369                 $logEntry->setLegacy( true );
 370
 371                 $formatter = LogFormatter::newFromEntry( $logEntry );
 372                 $context = RequestContext::newExtraneousContext( $target );
 373                 $formatter->setContext( $context );
 374
 375                 $this->actionText = $formatter->getPlainActionText();
 376                 $this->ircActionText = $formatter->getIRCActionText();
 377
 378                 return $this->saveContent();
 379         }
 380
 381         /**
 382          * Add relations to log_search table
 383          *
 384          * @param string $field
 385          * @param array $values
 386          * @param int $logid
 387          * @return bool
 388          */
 389         public function addRelations( $field, $values, $logid ) {
 390                 if ( !strlen( $field ) || empty( $values ) ) {
 391                         return false; // nothing
 392                 }
 393
 394                 $data = [];
 395
 396                 foreach ( $values as $value ) {
 397                         $data[] = [
 398                                 'ls_field' => $field,
 399                                 'ls_value' => $value,
 400                                 'ls_log_id' => $logid
 401                         ];
 402                 }
 403
 404                 $dbw = wfGetDB( DB_MASTER );
 405                 $dbw->insert( 'log_search', $data, __METHOD__, 'IGNORE' );
 406
 407                 return true;
 408         }
 409
 410         /**
 411          * Create a blob from a parameter array
 412          *
 413          * @param array $params
 414          * @return string
 415          */
 416         public static function makeParamBlob( $params ) {
 417                 return implode( "\n", $params );
 418         }
 419
 420         /**
 421          * Extract a parameter array from a blob
 422          *
 423          * @param string $blob
 424          * @return array
 425          */
 426         public static function extractParams( $blob ) {
 427                 if ( $blob === '' ) {
 428                         return [];
 429                 } else {
 430                         return explode( "\n", $blob );
 431                 }
 432         }
 433
 434         /**
 435          * Name of the log.
 436          * @return Message
 437          * @since 1.19
 438          */
 439         public function getName() {
 440                 global $wgLogNames;
 441
 442                 // BC
 443                 if ( isset( $wgLogNames[$this->type] ) ) {
 444                         $key = $wgLogNames[$this->type];
 445                 } else {
 446                         $key = 'log-name-' . $this->type;
 447                 }
 448
 449                 return wfMessage( $key );
 450         }
 451
 452         /**
 453          * Description of this log type.
 454          * @return Message
 455          * @since 1.19
 456          */
 457         public function getDescription() {
 458                 global $wgLogHeaders;
 459                 // BC
 460                 if ( isset( $wgLogHeaders[$this->type] ) ) {
 461                         $key = $wgLogHeaders[$this->type];
 462                 } else {
 463                         $key = 'log-description-' . $this->type;
 464                 }
 465
 466                 return wfMessage( $key );
 467         }
 468
 469         /**
 470          * Returns the right needed to read this log type.
 471          * @return string
 472          * @since 1.19
 473          */
 474         public function getRestriction() {
 475                 global $wgLogRestrictions;
 476                 if ( isset( $wgLogRestrictions[$this->type] ) ) {
 477                         $restriction = $wgLogRestrictions[$this->type];
 478                 } else {
 479                         // '' always returns true with $user->isAllowed()
 480                         $restriction = '';
 481                 }
 482
 483                 return $restriction;
 484         }
 485
 486         /**
 487          * Tells if this log is not viewable by all.
 488          * @return bool
 489          * @since 1.19
 490          */
 491         public function isRestricted() {
 492                 $restriction = $this->getRestriction();
 493
 494                 return $restriction !== '' && $restriction !== '*';
 495         }
 496 }