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+<?php
+/**
+ * Contain log classes
+ *
+ * Copyright © 2002, 2004 Brion Vibber <brion@pobox.com>
+ * https://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Class to simplify the use of log pages.
+ * The logs are now kept in a table which is easier to manage and trim
+ * than ever-growing wiki pages.
+ */
+class LogPage {
+ const DELETED_ACTION = 1;
+ const DELETED_COMMENT = 2;
+ const DELETED_USER = 4;
+ const DELETED_RESTRICTED = 8;
+
+ // Convenience fields
+ const SUPPRESSED_USER = 12;
+ const SUPPRESSED_ACTION = 9;
+
+ /** @var bool */
+ public $updateRecentChanges;
+
+ /** @var bool */
+ public $sendToUDP;
+
+ /** @var string Plaintext version of the message for IRC */
+ private $ircActionText;
+
+ /** @var string Plaintext version of the message */
+ private $actionText;
+
+ /** @var string One of '', 'block', 'protect', 'rights', 'delete',
+ * 'upload', 'move'
+ */
+ private $type;
+
+ /** @var string One of '', 'block', 'protect', 'rights', 'delete',
+ * 'upload', 'move', 'move_redir' */
+ private $action;
+
+ /** @var string Comment associated with action */
+ private $comment;
+
+ /** @var string Blob made of a parameters array */
+ private $params;
+
+ /** @var User The user doing the action */
+ private $doer;
+
+ /** @var Title */
+ private $target;
+
+ /**
+ * @param string $type One of '', 'block', 'protect', 'rights', 'delete',
+ * 'upload', 'move'
+ * @param bool $rc Whether to update recent changes as well as the logging table
+ * @param string $udp Pass 'UDP' to send to the UDP feed if NOT sent to RC
+ */
+ public function __construct( $type, $rc = true, $udp = 'skipUDP' ) {
+ $this->type = $type;
+ $this->updateRecentChanges = $rc;
+ $this->sendToUDP = ( $udp == 'UDP' );
+ }
+
+ /**
+ * @return int The log_id of the inserted log entry
+ */
+ protected function saveContent() {
+ global $wgLogRestrictions;
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ // @todo FIXME private/protected/public property?
+ $this->timestamp = $now = wfTimestampNow();
+ $data = [
+ 'log_type' => $this->type,
+ 'log_action' => $this->action,
+ 'log_timestamp' => $dbw->timestamp( $now ),
+ 'log_namespace' => $this->target->getNamespace(),
+ 'log_title' => $this->target->getDBkey(),
+ 'log_page' => $this->target->getArticleID(),
+ 'log_params' => $this->params
+ ];
+ $data += CommentStore::getStore()->insert( $dbw, 'log_comment', $this->comment );
+ $data += ActorMigration::newMigration()->getInsertValues( $dbw, 'log_user', $this->doer );
+ $dbw->insert( 'logging', $data, __METHOD__ );
+ $newId = $dbw->insertId();
+
+ # And update recentchanges
+ if ( $this->updateRecentChanges ) {
+ $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
+
+ RecentChange::notifyLog(
+ $now, $titleObj, $this->doer, $this->getRcComment(), '',
+ $this->type, $this->action, $this->target, $this->comment,
+ $this->params, $newId, $this->getRcCommentIRC()
+ );
+ } elseif ( $this->sendToUDP ) {
+ # Don't send private logs to UDP
+ if ( isset( $wgLogRestrictions[$this->type] ) && $wgLogRestrictions[$this->type] != '*' ) {
+ return $newId;
+ }
+
+ # Notify external application via UDP.
+ # We send this to IRC but do not want to add it the RC table.
+ $titleObj = SpecialPage::getTitleFor( 'Log', $this->type );
+ $rc = RecentChange::newLogEntry(
+ $now, $titleObj, $this->doer, $this->getRcComment(), '',
+ $this->type, $this->action, $this->target, $this->comment,
+ $this->params, $newId, $this->getRcCommentIRC()
+ );
+ $rc->notifyRCFeeds();
+ }
+
+ return $newId;
+ }
+
+ /**
+ * Get the RC comment from the last addEntry() call
+ *
+ * @return string
+ */
+ public function getRcComment() {
+ $rcComment = $this->actionText;
+
+ if ( $this->comment != '' ) {
+ if ( $rcComment == '' ) {
+ $rcComment = $this->comment;
+ } else {
+ $rcComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() .
+ $this->comment;
+ }
+ }
+
+ return $rcComment;
+ }
+
+ /**
+ * Get the RC comment from the last addEntry() call for IRC
+ *
+ * @return string
+ */
+ public function getRcCommentIRC() {
+ $rcComment = $this->ircActionText;
+
+ if ( $this->comment != '' ) {
+ if ( $rcComment == '' ) {
+ $rcComment = $this->comment;
+ } else {
+ $rcComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() .
+ $this->comment;
+ }
+ }
+
+ return $rcComment;
+ }
+
+ /**
+ * Get the comment from the last addEntry() call
+ * @return string
+ */
+ public function getComment() {
+ return $this->comment;
+ }
+
+ /**
+ * Get the list of valid log types
+ *
+ * @return array Array of strings
+ */
+ public static function validTypes() {
+ global $wgLogTypes;
+
+ return $wgLogTypes;
+ }
+
+ /**
+ * Is $type a valid log type
+ *
+ * @param string $type Log type to check
+ * @return bool
+ */
+ public static function isLogType( $type ) {
+ return in_array( $type, self::validTypes() );
+ }
+
+ /**
+ * Generate text for a log entry.
+ * Only LogFormatter should call this function.
+ *
+ * @param string $type Log type
+ * @param string $action Log action
+ * @param Title|null $title Title object or null
+ * @param Skin|null $skin Skin object or null. If null, we want to use the wiki
+ * content language, since that will go to the IRC feed.
+ * @param array $params Parameters
+ * @param bool $filterWikilinks Whether to filter wiki links
+ * @return string HTML
+ */
+ public static function actionText( $type, $action, $title = null, $skin = null,
+ $params = [], $filterWikilinks = false
+ ) {
+ global $wgLang, $wgContLang, $wgLogActions;
+
+ if ( is_null( $skin ) ) {
+ $langObj = $wgContLang;
+ $langObjOrNull = null;
+ } else {
+ $langObj = $wgLang;
+ $langObjOrNull = $wgLang;
+ }
+
+ $key = "$type/$action";
+
+ if ( isset( $wgLogActions[$key] ) ) {
+ if ( is_null( $title ) ) {
+ $rv = wfMessage( $wgLogActions[$key] )->inLanguage( $langObj )->escaped();
+ } else {
+ $titleLink = self::getTitleLink( $type, $langObjOrNull, $title, $params );
+
+ if ( count( $params ) == 0 ) {
+ $rv = wfMessage( $wgLogActions[$key] )->rawParams( $titleLink )
+ ->inLanguage( $langObj )->escaped();
+ } else {
+ array_unshift( $params, $titleLink );
+
+ $rv = wfMessage( $wgLogActions[$key] )->rawParams( $params )
+ ->inLanguage( $langObj )->escaped();
+ }
+ }
+ } else {
+ global $wgLogActionsHandlers;
+
+ if ( isset( $wgLogActionsHandlers[$key] ) ) {
+ $args = func_get_args();
+ $rv = call_user_func_array( $wgLogActionsHandlers[$key], $args );
+ } else {
+ wfDebug( "LogPage::actionText - unknown action $key\n" );
+ $rv = "$action";
+ }
+ }
+
+ // For the perplexed, this feature was added in r7855 by Erik.
+ // The feature was added because we liked adding [[$1]] in our log entries
+ // but the log entries are parsed as Wikitext on RecentChanges but as HTML
+ // on Special:Log. The hack is essentially that [[$1]] represented a link
+ // to the title in question. The first parameter to the HTML version (Special:Log)
+ // is that link in HTML form, and so this just gets rid of the ugly [[]].
+ // However, this is a horrible hack and it doesn't work like you expect if, say,
+ // you want to link to something OTHER than the title of the log entry.
+ // The real problem, which Erik was trying to fix (and it sort-of works now) is
+ // that the same messages are being treated as both wikitext *and* HTML.
+ if ( $filterWikilinks ) {
+ $rv = str_replace( '[[', '', $rv );
+ $rv = str_replace( ']]', '', $rv );
+ }
+
+ return $rv;
+ }
+
+ /**
+ * @todo Document
+ * @param string $type
+ * @param Language|null $lang
+ * @param Title $title
+ * @param array &$params
+ * @return string
+ */
+ protected static function getTitleLink( $type, $lang, $title, &$params ) {
+ if ( !$lang ) {
+ return $title->getPrefixedText();
+ }
+
+ if ( $title->isSpecialPage() ) {
+ list( $name, $par ) = SpecialPageFactory::resolveAlias( $title->getDBkey() );
+
+ # Use the language name for log titles, rather than Log/X
+ if ( $name == 'Log' ) {
+ $logPage = new LogPage( $par );
+ $titleLink = Linker::link( $title, $logPage->getName()->escaped() );
+ $titleLink = wfMessage( 'parentheses' )
+ ->inLanguage( $lang )
+ ->rawParams( $titleLink )
+ ->escaped();
+ } else {
+ $titleLink = Linker::link( $title );
+ }
+ } else {
+ $titleLink = Linker::link( $title );
+ }
+
+ return $titleLink;
+ }
+
+ /**
+ * Add a log entry
+ *
+ * @param string $action One of '', 'block', 'protect', 'rights', 'delete',
+ * 'upload', 'move', 'move_redir'
+ * @param Title $target
+ * @param string $comment Description associated
+ * @param array $params Parameters passed later to wfMessage function
+ * @param null|int|User $doer The user doing the action. null for $wgUser
+ *
+ * @return int The log_id of the inserted log entry
+ */
+ public function addEntry( $action, $target, $comment, $params = [], $doer = null ) {
+ if ( !is_array( $params ) ) {
+ $params = [ $params ];
+ }
+
+ if ( $comment === null ) {
+ $comment = '';
+ }
+
+ # Trim spaces on user supplied text
+ $comment = trim( $comment );
+
+ $this->action = $action;
+ $this->target = $target;
+ $this->comment = $comment;
+ $this->params = self::makeParamBlob( $params );
+
+ if ( $doer === null ) {
+ global $wgUser;
+ $doer = $wgUser;
+ } elseif ( !is_object( $doer ) ) {
+ $doer = User::newFromId( $doer );
+ }
+
+ $this->doer = $doer;
+
+ $logEntry = new ManualLogEntry( $this->type, $action );
+ $logEntry->setTarget( $target );
+ $logEntry->setPerformer( $doer );
+ $logEntry->setParameters( $params );
+ // All log entries using the LogPage to insert into the logging table
+ // are using the old logging system and therefore the legacy flag is
+ // needed to say the LogFormatter the parameters have numeric keys
+ $logEntry->setLegacy( true );
+
+ $formatter = LogFormatter::newFromEntry( $logEntry );
+ $context = RequestContext::newExtraneousContext( $target );
+ $formatter->setContext( $context );
+
+ $this->actionText = $formatter->getPlainActionText();
+ $this->ircActionText = $formatter->getIRCActionText();
+
+ return $this->saveContent();
+ }
+
+ /**
+ * Add relations to log_search table
+ *
+ * @param string $field
+ * @param array $values
+ * @param int $logid
+ * @return bool
+ */
+ public function addRelations( $field, $values, $logid ) {
+ if ( !strlen( $field ) || empty( $values ) ) {
+ return false; // nothing
+ }
+
+ $data = [];
+
+ foreach ( $values as $value ) {
+ $data[] = [
+ 'ls_field' => $field,
+ 'ls_value' => $value,
+ 'ls_log_id' => $logid
+ ];
+ }
+
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->insert( 'log_search', $data, __METHOD__, 'IGNORE' );
+
+ return true;
+ }
+
+ /**
+ * Create a blob from a parameter array
+ *
+ * @param array $params
+ * @return string
+ */
+ public static function makeParamBlob( $params ) {
+ return implode( "\n", $params );
+ }
+
+ /**
+ * Extract a parameter array from a blob
+ *
+ * @param string $blob
+ * @return array
+ */
+ public static function extractParams( $blob ) {
+ if ( $blob === '' ) {
+ return [];
+ } else {
+ return explode( "\n", $blob );
+ }
+ }
+
+ /**
+ * Name of the log.
+ * @return Message
+ * @since 1.19
+ */
+ public function getName() {
+ global $wgLogNames;
+
+ // BC
+ if ( isset( $wgLogNames[$this->type] ) ) {
+ $key = $wgLogNames[$this->type];
+ } else {
+ $key = 'log-name-' . $this->type;
+ }
+
+ return wfMessage( $key );
+ }
+
+ /**
+ * Description of this log type.
+ * @return Message
+ * @since 1.19
+ */
+ public function getDescription() {
+ global $wgLogHeaders;
+ // BC
+ if ( isset( $wgLogHeaders[$this->type] ) ) {
+ $key = $wgLogHeaders[$this->type];
+ } else {
+ $key = 'log-description-' . $this->type;
+ }
+
+ return wfMessage( $key );
+ }
+
+ /**
+ * Returns the right needed to read this log type.
+ * @return string
+ * @since 1.19
+ */
+ public function getRestriction() {
+ global $wgLogRestrictions;
+ if ( isset( $wgLogRestrictions[$this->type] ) ) {
+ $restriction = $wgLogRestrictions[$this->type];
+ } else {
+ // '' always returns true with $user->isAllowed()
+ $restriction = '';
+ }
+
+ return $restriction;
+ }
+
+ /**
+ * Tells if this log is not viewable by all.
+ * @return bool
+ * @since 1.19
+ */
+ public function isRestricted() {
+ $restriction = $this->getRestriction();
+
+ return $restriction !== '' && $restriction !== '*';
+ }
+}
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