wiki.techinc.nl/includes/api/ApiQueryLogEvents.php
James D. Forrester 50e796e948 includes/api: Replace implicitly-Bugzilla bug numbers with Phab ones
It's unreasonable to expect newbies to know that "bug 12345" means "Task T14345"
except where it doesn't, so let's just standardise on the real numbers.

Change-Id: I49e2a10350a328a8572fcedd44012751a29e1068
2017-02-24 16:41:47 +00:00

472 lines
14 KiB
PHP

<?php
/**
*
*
* Created on Oct 16, 2006
*
* Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
*
* 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
*/
/**
* Query action to List the log events, with optional filtering by various parameters.
*
* @ingroup API
*/
class ApiQueryLogEvents extends ApiQueryBase {
public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'le' );
}
private $fld_ids = false, $fld_title = false, $fld_type = false,
$fld_user = false, $fld_userid = false,
$fld_timestamp = false, $fld_comment = false, $fld_parsedcomment = false,
$fld_details = false, $fld_tags = false;
public function execute() {
$params = $this->extractRequestParams();
$db = $this->getDB();
$this->requireMaxOneParameter( $params, 'title', 'prefix', 'namespace' );
$prop = array_flip( $params['prop'] );
$this->fld_ids = isset( $prop['ids'] );
$this->fld_title = isset( $prop['title'] );
$this->fld_type = isset( $prop['type'] );
$this->fld_user = isset( $prop['user'] );
$this->fld_userid = isset( $prop['userid'] );
$this->fld_timestamp = isset( $prop['timestamp'] );
$this->fld_comment = isset( $prop['comment'] );
$this->fld_parsedcomment = isset( $prop['parsedcomment'] );
$this->fld_details = isset( $prop['details'] );
$this->fld_tags = isset( $prop['tags'] );
$hideLogs = LogEventsList::getExcludeClause( $db, 'user', $this->getUser() );
if ( $hideLogs !== false ) {
$this->addWhere( $hideLogs );
}
// Order is significant here
$this->addTables( [ 'logging', 'user', 'page' ] );
$this->addJoinConds( [
'user' => [ 'LEFT JOIN',
'user_id=log_user' ],
'page' => [ 'LEFT JOIN',
[ 'log_namespace=page_namespace',
'log_title=page_title' ] ] ] );
$this->addFields( [
'log_id',
'log_type',
'log_action',
'log_timestamp',
'log_deleted',
] );
$this->addFieldsIf( 'page_id', $this->fld_ids );
// log_page is the page_id saved at log time, whereas page_id is from a
// join at query time. This leads to different results in various
// scenarios, e.g. deletion, recreation.
$this->addFieldsIf( 'log_page', $this->fld_ids );
$this->addFieldsIf( [ 'log_user', 'log_user_text', 'user_name' ], $this->fld_user );
$this->addFieldsIf( 'log_user', $this->fld_userid );
$this->addFieldsIf(
[ 'log_namespace', 'log_title' ],
$this->fld_title || $this->fld_parsedcomment
);
$this->addFieldsIf( 'log_comment', $this->fld_comment || $this->fld_parsedcomment );
$this->addFieldsIf( 'log_params', $this->fld_details );
if ( $this->fld_tags ) {
$this->addTables( 'tag_summary' );
$this->addJoinConds( [ 'tag_summary' => [ 'LEFT JOIN', 'log_id=ts_log_id' ] ] );
$this->addFields( 'ts_tags' );
}
if ( !is_null( $params['tag'] ) ) {
$this->addTables( 'change_tag' );
$this->addJoinConds( [ 'change_tag' => [ 'INNER JOIN',
[ 'log_id=ct_log_id' ] ] ] );
$this->addWhereFld( 'ct_tag', $params['tag'] );
}
if ( !is_null( $params['action'] ) ) {
// Do validation of action param, list of allowed actions can contains wildcards
// Allow the param, when the actions is in the list or a wildcard version is listed.
$logAction = $params['action'];
if ( strpos( $logAction, '/' ) === false ) {
// all items in the list have a slash
$valid = false;
} else {
$logActions = array_flip( $this->getAllowedLogActions() );
list( $type, $action ) = explode( '/', $logAction, 2 );
$valid = isset( $logActions[$logAction] ) || isset( $logActions[$type . '/*'] );
}
if ( !$valid ) {
$encParamName = $this->encodeParamName( 'action' );
$this->dieWithError(
[ 'apierror-unrecognizedvalue', $encParamName, wfEscapeWikiText( $logAction ) ],
"unknown_$encParamName"
);
}
$this->addWhereFld( 'log_type', $type );
$this->addWhereFld( 'log_action', $action );
} elseif ( !is_null( $params['type'] ) ) {
$this->addWhereFld( 'log_type', $params['type'] );
}
$this->addTimestampWhereRange(
'log_timestamp',
$params['dir'],
$params['start'],
$params['end']
);
// Include in ORDER BY for uniqueness
$this->addWhereRange( 'log_id', $params['dir'], null, null );
if ( !is_null( $params['continue'] ) ) {
$cont = explode( '|', $params['continue'] );
$this->dieContinueUsageIf( count( $cont ) != 2 );
$op = ( $params['dir'] === 'newer' ? '>' : '<' );
$continueTimestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );
$continueId = (int)$cont[1];
$this->dieContinueUsageIf( $continueId != $cont[1] );
$this->addWhere( "log_timestamp $op $continueTimestamp OR " .
"(log_timestamp = $continueTimestamp AND " .
"log_id $op= $continueId)"
);
}
$limit = $params['limit'];
$this->addOption( 'LIMIT', $limit + 1 );
$user = $params['user'];
if ( !is_null( $user ) ) {
$userid = User::idFromName( $user );
if ( $userid ) {
$this->addWhereFld( 'log_user', $userid );
} else {
$this->addWhereFld( 'log_user_text', $user );
}
}
$title = $params['title'];
if ( !is_null( $title ) ) {
$titleObj = Title::newFromText( $title );
if ( is_null( $titleObj ) ) {
$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $title ) ] );
}
$this->addWhereFld( 'log_namespace', $titleObj->getNamespace() );
$this->addWhereFld( 'log_title', $titleObj->getDBkey() );
}
if ( $params['namespace'] !== null ) {
$this->addWhereFld( 'log_namespace', $params['namespace'] );
}
$prefix = $params['prefix'];
if ( !is_null( $prefix ) ) {
if ( $this->getConfig()->get( 'MiserMode' ) ) {
$this->dieWithError( 'apierror-prefixsearchdisabled' );
}
$title = Title::newFromText( $prefix );
if ( is_null( $title ) ) {
$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $prefix ) ] );
}
$this->addWhereFld( 'log_namespace', $title->getNamespace() );
$this->addWhere( 'log_title ' . $db->buildLike( $title->getDBkey(), $db->anyString() ) );
}
// Paranoia: avoid brute force searches (T19342)
if ( $params['namespace'] !== null || !is_null( $title ) || !is_null( $user ) ) {
if ( !$this->getUser()->isAllowed( 'deletedhistory' ) ) {
$titleBits = LogPage::DELETED_ACTION;
$userBits = LogPage::DELETED_USER;
} elseif ( !$this->getUser()->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
$titleBits = LogPage::DELETED_ACTION | LogPage::DELETED_RESTRICTED;
$userBits = LogPage::DELETED_USER | LogPage::DELETED_RESTRICTED;
} else {
$titleBits = 0;
$userBits = 0;
}
if ( ( $params['namespace'] !== null || !is_null( $title ) ) && $titleBits ) {
$this->addWhere( $db->bitAnd( 'log_deleted', $titleBits ) . " != $titleBits" );
}
if ( !is_null( $user ) && $userBits ) {
$this->addWhere( $db->bitAnd( 'log_deleted', $userBits ) . " != $userBits" );
}
}
$count = 0;
$res = $this->select( __METHOD__ );
$result = $this->getResult();
foreach ( $res as $row ) {
if ( ++$count > $limit ) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
$this->setContinueEnumParameter( 'continue', "$row->log_timestamp|$row->log_id" );
break;
}
$vals = $this->extractRowInfo( $row );
$fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $vals );
if ( !$fit ) {
$this->setContinueEnumParameter( 'continue', "$row->log_timestamp|$row->log_id" );
break;
}
}
$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'item' );
}
/**
* @deprecated since 1.25 Use LogFormatter::formatParametersForApi instead
* @param ApiResult $result
* @param array $vals
* @param string $params
* @param string $type
* @param string $action
* @param string $ts
* @param bool $legacy
* @return array
*/
public static function addLogParams( $result, &$vals, $params, $type,
$action, $ts, $legacy = false
) {
wfDeprecated( __METHOD__, '1.25' );
$entry = new ManualLogEntry( $type, $action );
$entry->setParameters( $params );
$entry->setTimestamp( $ts );
$entry->setLegacy( $legacy );
$formatter = LogFormatter::newFromEntry( $entry );
$vals['params'] = $formatter->formatParametersForApi();
return $vals;
}
private function extractRowInfo( $row ) {
$logEntry = DatabaseLogEntry::newFromRow( $row );
$vals = [
ApiResult::META_TYPE => 'assoc',
];
$anyHidden = false;
$user = $this->getUser();
if ( $this->fld_ids ) {
$vals['logid'] = intval( $row->log_id );
}
if ( $this->fld_title || $this->fld_parsedcomment ) {
$title = Title::makeTitle( $row->log_namespace, $row->log_title );
}
if ( $this->fld_title || $this->fld_ids || $this->fld_details && $row->log_params !== '' ) {
if ( LogEventsList::isDeleted( $row, LogPage::DELETED_ACTION ) ) {
$vals['actionhidden'] = true;
$anyHidden = true;
}
if ( LogEventsList::userCan( $row, LogPage::DELETED_ACTION, $user ) ) {
if ( $this->fld_title ) {
ApiQueryBase::addTitleInfo( $vals, $title );
}
if ( $this->fld_ids ) {
$vals['pageid'] = intval( $row->page_id );
$vals['logpage'] = intval( $row->log_page );
}
if ( $this->fld_details ) {
$vals['params'] = LogFormatter::newFromEntry( $logEntry )->formatParametersForApi();
}
}
}
if ( $this->fld_type ) {
$vals['type'] = $row->log_type;
$vals['action'] = $row->log_action;
}
if ( $this->fld_user || $this->fld_userid ) {
if ( LogEventsList::isDeleted( $row, LogPage::DELETED_USER ) ) {
$vals['userhidden'] = true;
$anyHidden = true;
}
if ( LogEventsList::userCan( $row, LogPage::DELETED_USER, $user ) ) {
if ( $this->fld_user ) {
$vals['user'] = $row->user_name === null ? $row->log_user_text : $row->user_name;
}
if ( $this->fld_userid ) {
$vals['userid'] = intval( $row->log_user );
}
if ( !$row->log_user ) {
$vals['anon'] = true;
}
}
}
if ( $this->fld_timestamp ) {
$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->log_timestamp );
}
if ( ( $this->fld_comment || $this->fld_parsedcomment ) && isset( $row->log_comment ) ) {
if ( LogEventsList::isDeleted( $row, LogPage::DELETED_COMMENT ) ) {
$vals['commenthidden'] = true;
$anyHidden = true;
}
if ( LogEventsList::userCan( $row, LogPage::DELETED_COMMENT, $user ) ) {
if ( $this->fld_comment ) {
$vals['comment'] = $row->log_comment;
}
if ( $this->fld_parsedcomment ) {
$vals['parsedcomment'] = Linker::formatComment( $row->log_comment, $title );
}
}
}
if ( $this->fld_tags ) {
if ( $row->ts_tags ) {
$tags = explode( ',', $row->ts_tags );
ApiResult::setIndexedTagName( $tags, 'tag' );
$vals['tags'] = $tags;
} else {
$vals['tags'] = [];
}
}
if ( $anyHidden && LogEventsList::isDeleted( $row, LogPage::DELETED_RESTRICTED ) ) {
$vals['suppressed'] = true;
}
return $vals;
}
/**
* @return array
*/
private function getAllowedLogActions() {
$config = $this->getConfig();
return array_keys( array_merge(
$config->get( 'LogActions' ),
$config->get( 'LogActionsHandlers' )
) );
}
public function getCacheMode( $params ) {
if ( $this->userCanSeeRevDel() ) {
return 'private';
}
if ( !is_null( $params['prop'] ) && in_array( 'parsedcomment', $params['prop'] ) ) {
// formatComment() calls wfMessage() among other things
return 'anon-public-user-private';
} elseif ( LogEventsList::getExcludeClause( $this->getDB(), 'user', $this->getUser() )
=== LogEventsList::getExcludeClause( $this->getDB(), 'public' )
) { // Output can only contain public data.
return 'public';
} else {
return 'anon-public-user-private';
}
}
public function getAllowedParams( $flags = 0 ) {
$config = $this->getConfig();
$ret = [
'prop' => [
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_DFLT => 'ids|title|type|user|timestamp|comment|details',
ApiBase::PARAM_TYPE => [
'ids',
'title',
'type',
'user',
'userid',
'timestamp',
'comment',
'parsedcomment',
'details',
'tags'
],
ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
],
'type' => [
ApiBase::PARAM_TYPE => $config->get( 'LogTypes' )
],
'action' => [
// validation on request is done in execute()
ApiBase::PARAM_TYPE => ( $flags & ApiBase::GET_VALUES_FOR_HELP )
? $this->getAllowedLogActions()
: null
],
'start' => [
ApiBase::PARAM_TYPE => 'timestamp'
],
'end' => [
ApiBase::PARAM_TYPE => 'timestamp'
],
'dir' => [
ApiBase::PARAM_DFLT => 'older',
ApiBase::PARAM_TYPE => [
'newer',
'older'
],
ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
],
'user' => [
ApiBase::PARAM_TYPE => 'user',
],
'title' => null,
'namespace' => [
ApiBase::PARAM_TYPE => 'namespace',
ApiBase::PARAM_EXTRA_NAMESPACES => [ NS_MEDIA, NS_SPECIAL ],
],
'prefix' => [],
'tag' => null,
'limit' => [
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
],
'continue' => [
ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
],
];
if ( $config->get( 'MiserMode' ) ) {
$ret['prefix'][ApiBase::PARAM_HELP_MSG] = 'api-help-param-disabled-in-miser-mode';
}
return $ret;
}
protected function getExamplesMessages() {
return [
'action=query&list=logevents'
=> 'apihelp-query+logevents-example-simple',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Logevents';
}
}