Exemplo n.º 1
0
 /**
  * Populates the search index with content from all pages
  */
 protected function populateSearchIndex()
 {
     $res = $this->db->select('page', 'MAX(page_id) AS count');
     $s = $this->db->fetchObject($res);
     $count = $s->count;
     $this->output("Rebuilding index fields for {$count} pages...\n");
     $n = 0;
     $fields = array_merge(Revision::selectPageFields(), Revision::selectFields(), Revision::selectTextFields());
     while ($n < $count) {
         if ($n) {
             $this->output($n . "\n");
         }
         $end = $n + self::RTI_CHUNK_SIZE - 1;
         $res = $this->db->select(['page', 'revision', 'text'], $fields, ["page_id BETWEEN {$n} AND {$end}", 'page_latest = rev_id', 'rev_text_id = old_id'], __METHOD__);
         foreach ($res as $s) {
             try {
                 $title = Title::makeTitle($s->page_namespace, $s->page_title);
                 $rev = new Revision($s);
                 $content = $rev->getContent();
                 $u = new SearchUpdate($s->page_id, $title, $content);
                 $u->doUpdate();
             } catch (MWContentSerializationException $ex) {
                 $this->output("Failed to deserialize content of revision {$s->rev_id} of page " . "`" . $title->getPrefixedDBkey() . "`!\n");
             }
         }
         $n += self::RTI_CHUNK_SIZE;
     }
 }
Exemplo n.º 2
0
 /**
  * @param ApiPageSet $resultPageSet
  * @return void
  */
 protected function run(ApiPageSet $resultPageSet = null)
 {
     $db = $this->getDB();
     $params = $this->extractRequestParams(false);
     $result = $this->getResult();
     $this->requireMaxOneParameter($params, 'user', 'excludeuser');
     // Namespace check is likely to be desired, but can't be done
     // efficiently in SQL.
     $miser_ns = null;
     $needPageTable = false;
     if ($params['namespace'] !== null) {
         $params['namespace'] = array_unique($params['namespace']);
         sort($params['namespace']);
         if ($params['namespace'] != MWNamespace::getValidNamespaces()) {
             $needPageTable = true;
             if ($this->getConfig()->get('MiserMode')) {
                 $miser_ns = $params['namespace'];
             } else {
                 $this->addWhere(array('page_namespace' => $params['namespace']));
             }
         }
     }
     $this->addTables('revision');
     if ($resultPageSet === null) {
         $this->parseParameters($params);
         $this->addTables('page');
         $this->addJoinConds(array('page' => array('INNER JOIN', array('rev_page = page_id'))));
         $this->addFields(Revision::selectFields());
         $this->addFields(Revision::selectPageFields());
         // Review this depeneding on the outcome of T113901
         $this->addOption('STRAIGHT_JOIN');
     } else {
         $this->limit = $this->getParameter('limit') ?: 10;
         $this->addFields(array('rev_timestamp', 'rev_id'));
         if ($params['generatetitles']) {
             $this->addFields(array('rev_page'));
         }
         if ($needPageTable) {
             $this->addTables('page');
             $this->addJoinConds(array('page' => array('INNER JOIN', array('rev_page = page_id'))));
             $this->addFieldsIf(array('page_namespace'), (bool) $miser_ns);
             // Review this depeneding on the outcome of T113901
             $this->addOption('STRAIGHT_JOIN');
         }
     }
     if ($this->fld_tags) {
         $this->addTables('tag_summary');
         $this->addJoinConds(array('tag_summary' => array('LEFT JOIN', array('rev_id=ts_rev_id'))));
         $this->addFields('ts_tags');
     }
     if ($this->fetchContent) {
         $this->addTables('text');
         $this->addJoinConds(array('text' => array('INNER JOIN', array('rev_text_id=old_id'))));
         $this->addFields('old_id');
         $this->addFields(Revision::selectTextFields());
     }
     if ($params['user'] !== null) {
         $id = User::idFromName($params['user']);
         if ($id) {
             $this->addWhereFld('rev_user', $id);
         } else {
             $this->addWhereFld('rev_user_text', $params['user']);
         }
     } elseif ($params['excludeuser'] !== null) {
         $id = User::idFromName($params['excludeuser']);
         if ($id) {
             $this->addWhere('rev_user != ' . $id);
         } else {
             $this->addWhere('rev_user_text != ' . $db->addQuotes($params['excludeuser']));
         }
     }
     if ($params['user'] !== null || $params['excludeuser'] !== null) {
         // Paranoia: avoid brute force searches (bug 17342)
         if (!$this->getUser()->isAllowed('deletedhistory')) {
             $bitmask = Revision::DELETED_USER;
         } elseif (!$this->getUser()->isAllowedAny('suppressrevision', 'viewsuppressed')) {
             $bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
         } else {
             $bitmask = 0;
         }
         if ($bitmask) {
             $this->addWhere($db->bitAnd('rev_deleted', $bitmask) . " != {$bitmask}");
         }
     }
     $dir = $params['dir'];
     if ($params['continue'] !== null) {
         $op = $dir == 'newer' ? '>' : '<';
         $cont = explode('|', $params['continue']);
         $this->dieContinueUsageIf(count($cont) != 2);
         $ts = $db->addQuotes($db->timestamp($cont[0]));
         $rev_id = (int) $cont[1];
         $this->dieContinueUsageIf(strval($rev_id) !== $cont[1]);
         $this->addWhere("rev_timestamp {$op} {$ts} OR " . "(rev_timestamp = {$ts} AND " . "rev_id {$op}= {$rev_id})");
     }
     $this->addOption('LIMIT', $this->limit + 1);
     $sort = $dir == 'newer' ? '' : ' DESC';
     $orderby = array();
     // Targeting index rev_timestamp, user_timestamp, or usertext_timestamp
     // But 'user' is always constant for the latter two, so it doesn't matter here.
     $orderby[] = "rev_timestamp {$sort}";
     $orderby[] = "rev_id {$sort}";
     $this->addOption('ORDER BY', $orderby);
     $res = $this->select(__METHOD__);
     $pageMap = array();
     // Maps rev_page to array index
     $count = 0;
     $nextIndex = 0;
     $generated = array();
     foreach ($res as $row) {
         if (++$count > $this->limit) {
             // We've had enough
             $this->setContinueEnumParameter('continue', "{$row->rev_timestamp}|{$row->rev_id}");
             break;
         }
         // Miser mode namespace check
         if ($miser_ns !== null && !in_array($row->page_namespace, $miser_ns)) {
             continue;
         }
         if ($resultPageSet !== null) {
             if ($params['generatetitles']) {
                 $generated[$row->rev_page] = $row->rev_page;
             } else {
                 $generated[] = $row->rev_id;
             }
         } else {
             $revision = Revision::newFromRow($row);
             $rev = $this->extractRevisionInfo($revision, $row);
             if (!isset($pageMap[$row->rev_page])) {
                 $index = $nextIndex++;
                 $pageMap[$row->rev_page] = $index;
                 $title = $revision->getTitle();
                 $a = array('pageid' => $title->getArticleID(), 'revisions' => array($rev));
                 ApiResult::setIndexedTagName($a['revisions'], 'rev');
                 ApiQueryBase::addTitleInfo($a, $title);
                 $fit = $result->addValue(array('query', $this->getModuleName()), $index, $a);
             } else {
                 $index = $pageMap[$row->rev_page];
                 $fit = $result->addValue(array('query', $this->getModuleName(), $index, 'revisions'), null, $rev);
             }
             if (!$fit) {
                 $this->setContinueEnumParameter('continue', "{$row->rev_timestamp}|{$row->rev_id}");
                 break;
             }
         }
     }
     if ($resultPageSet !== null) {
         if ($params['generatetitles']) {
             $resultPageSet->populateFromPageIDs($generated);
         } else {
             $resultPageSet->populateFromRevisionIDs($generated);
         }
     } else {
         $result->addIndexedTagName(array('query', $this->getModuleName()), 'page');
     }
 }
Exemplo n.º 3
0
 public function execute()
 {
     $params = $this->extractRequestParams(false);
     // If any of those parameters are used, work in 'enumeration' mode.
     // Enum mode can only be used when exactly one page is provided.
     // Enumerating revisions on multiple pages make it extremely
     // difficult to manage continuations and require additional SQL indexes
     $enumRevMode = !is_null($params['user']) || !is_null($params['excludeuser']) || !is_null($params['limit']) || !is_null($params['startid']) || !is_null($params['endid']) || $params['dir'] === 'newer' || !is_null($params['start']) || !is_null($params['end']);
     $pageSet = $this->getPageSet();
     $pageCount = $pageSet->getGoodTitleCount();
     $revCount = $pageSet->getRevisionCount();
     // Optimization -- nothing to do
     if ($revCount === 0 && $pageCount === 0) {
         return;
     }
     if ($revCount > 0 && $enumRevMode) {
         $this->dieUsage('The revids= parameter may not be used with the list options (limit, startid, endid, dirNewer, start, end).', 'revids');
     }
     if ($pageCount > 1 && $enumRevMode) {
         $this->dieUsage('titles, pageids or a generator was used to supply multiple pages, but the limit, startid, endid, dirNewer, user, excludeuser, start and end parameters may only be used on a single page.', 'multpages');
     }
     if (!is_null($params['difftotext'])) {
         $this->difftotext = $params['difftotext'];
     } elseif (!is_null($params['diffto'])) {
         if ($params['diffto'] == 'cur') {
             $params['diffto'] = 0;
         }
         if ((!ctype_digit($params['diffto']) || $params['diffto'] < 0) && $params['diffto'] != 'prev' && $params['diffto'] != 'next') {
             $this->dieUsage('rvdiffto must be set to a non-negative number, "prev", "next" or "cur"', 'diffto');
         }
         // Check whether the revision exists and is readable,
         // DifferenceEngine returns a rather ambiguous empty
         // string if that's not the case
         if ($params['diffto'] != 0) {
             $difftoRev = Revision::newFromID($params['diffto']);
             if (!$difftoRev) {
                 $this->dieUsageMsg(array('nosuchrevid', $params['diffto']));
             }
             if ($difftoRev->isDeleted(Revision::DELETED_TEXT)) {
                 $this->setWarning("Couldn't diff to r{$difftoRev->getID()}: content is hidden");
                 $params['diffto'] = null;
             }
         }
         $this->diffto = $params['diffto'];
     }
     $db = $this->getDB();
     $this->addTables('page');
     $this->addFields(Revision::selectFields());
     $this->addWhere('page_id = rev_page');
     $prop = array_flip($params['prop']);
     // Optional fields
     $this->fld_ids = isset($prop['ids']);
     // $this->addFieldsIf('rev_text_id', $this->fld_ids); // should this be exposed?
     $this->fld_flags = isset($prop['flags']);
     $this->fld_timestamp = isset($prop['timestamp']);
     $this->fld_comment = isset($prop['comment']);
     $this->fld_parsedcomment = isset($prop['parsedcomment']);
     $this->fld_size = isset($prop['size']);
     $this->fld_sha1 = isset($prop['sha1']);
     $this->fld_userid = isset($prop['userid']);
     $this->fld_user = isset($prop['user']);
     $this->token = $params['token'];
     // Possible indexes used
     $index = array();
     $userMax = $this->fld_content ? ApiBase::LIMIT_SML1 : ApiBase::LIMIT_BIG1;
     $botMax = $this->fld_content ? ApiBase::LIMIT_SML2 : ApiBase::LIMIT_BIG2;
     $limit = $params['limit'];
     if ($limit == 'max') {
         $limit = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
         $this->getResult()->setParsedLimit($this->getModuleName(), $limit);
     }
     if (!is_null($this->token) || $pageCount > 0) {
         $this->addFields(Revision::selectPageFields());
     }
     if (isset($prop['tags'])) {
         $this->fld_tags = true;
         $this->addTables('tag_summary');
         $this->addJoinConds(array('tag_summary' => array('LEFT JOIN', array('rev_id=ts_rev_id'))));
         $this->addFields('ts_tags');
     }
     if (!is_null($params['tag'])) {
         $this->addTables('change_tag');
         $this->addJoinConds(array('change_tag' => array('INNER JOIN', array('rev_id=ct_rev_id'))));
         $this->addWhereFld('ct_tag', $params['tag']);
         global $wgOldChangeTagsIndex;
         $index['change_tag'] = $wgOldChangeTagsIndex ? 'ct_tag' : 'change_tag_tag_id';
     }
     if (isset($prop['content']) || !is_null($this->difftotext)) {
         // For each page we will request, the user must have read rights for that page
         foreach ($pageSet->getGoodTitles() as $title) {
             if (!$title->userCan('read')) {
                 $this->dieUsage('The current user is not allowed to read ' . $title->getPrefixedText(), 'accessdenied');
             }
         }
         $this->addTables('text');
         $this->addWhere('rev_text_id=old_id');
         $this->addFields('old_id');
         $this->addFields(Revision::selectTextFields());
         $this->fld_content = isset($prop['content']);
         $this->expandTemplates = $params['expandtemplates'];
         $this->generateXML = $params['generatexml'];
         $this->parseContent = $params['parse'];
         if ($this->parseContent) {
             // Must manually initialize unset limit
             if (is_null($limit)) {
                 $limit = 1;
             }
             // We are only going to parse 1 revision per request
             $this->validateLimit('limit', $limit, 1, 1, 1);
         }
         if (isset($params['section'])) {
             $this->section = $params['section'];
         } else {
             $this->section = false;
         }
     }
     // add user name, if needed
     if ($this->fld_user) {
         $this->addTables('user');
         $this->addJoinConds(array('user' => Revision::userJoinCond()));
         $this->addFields(Revision::selectUserFields());
     }
     // Bug 24166 - API error when using rvprop=tags
     $this->addTables('revision');
     if ($enumRevMode) {
         // This is mostly to prevent parameter errors (and optimize SQL?)
         if (!is_null($params['startid']) && !is_null($params['start'])) {
             $this->dieUsage('start and startid cannot be used together', 'badparams');
         }
         if (!is_null($params['endid']) && !is_null($params['end'])) {
             $this->dieUsage('end and endid cannot be used together', 'badparams');
         }
         if (!is_null($params['user']) && !is_null($params['excludeuser'])) {
             $this->dieUsage('user and excludeuser cannot be used together', 'badparams');
         }
         // Continuing effectively uses startid. But we can't use rvstartid
         // directly, because there is no way to tell the client to ''not''
         // send rvstart if it sent it in the original query. So instead we
         // send the continuation startid as rvcontinue, and ignore both
         // rvstart and rvstartid when that is supplied.
         if (!is_null($params['continue'])) {
             $params['startid'] = $params['continue'];
             unset($params['start']);
         }
         // This code makes an assumption that sorting by rev_id and rev_timestamp produces
         // the same result. This way users may request revisions starting at a given time,
         // but to page through results use the rev_id returned after each page.
         // Switching to rev_id removes the potential problem of having more than
         // one row with the same timestamp for the same page.
         // The order needs to be the same as start parameter to avoid SQL filesort.
         if (is_null($params['startid']) && is_null($params['endid'])) {
             $this->addTimestampWhereRange('rev_timestamp', $params['dir'], $params['start'], $params['end']);
         } else {
             $this->addWhereRange('rev_id', $params['dir'], $params['startid'], $params['endid']);
             // One of start and end can be set
             // If neither is set, this does nothing
             $this->addTimestampWhereRange('rev_timestamp', $params['dir'], $params['start'], $params['end'], false);
         }
         // must manually initialize unset limit
         if (is_null($limit)) {
             $limit = 10;
         }
         $this->validateLimit('limit', $limit, 1, $userMax, $botMax);
         // There is only one ID, use it
         $ids = array_keys($pageSet->getGoodTitles());
         $this->addWhereFld('rev_page', reset($ids));
         if (!is_null($params['user'])) {
             $this->addWhereFld('rev_user_text', $params['user']);
         } elseif (!is_null($params['excludeuser'])) {
             $this->addWhere('rev_user_text != ' . $db->addQuotes($params['excludeuser']));
         }
         if (!is_null($params['user']) || !is_null($params['excludeuser'])) {
             // Paranoia: avoid brute force searches (bug 17342)
             $this->addWhere($db->bitAnd('rev_deleted', Revision::DELETED_USER) . ' = 0');
         }
     } elseif ($revCount > 0) {
         $max = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
         $revs = $pageSet->getRevisionIDs();
         if (self::truncateArray($revs, $max)) {
             $this->setWarning("Too many values supplied for parameter 'revids': the limit is {$max}");
         }
         // Get all revision IDs
         $this->addWhereFld('rev_id', array_keys($revs));
         if (!is_null($params['continue'])) {
             $this->addWhere('rev_id >= ' . intval($params['continue']));
         }
         $this->addOption('ORDER BY', 'rev_id');
         // assumption testing -- we should never get more then $revCount rows.
         $limit = $revCount;
     } elseif ($pageCount > 0) {
         $max = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
         $titles = $pageSet->getGoodTitles();
         if (self::truncateArray($titles, $max)) {
             $this->setWarning("Too many values supplied for parameter 'titles': the limit is {$max}");
         }
         // When working in multi-page non-enumeration mode,
         // limit to the latest revision only
         $this->addWhere('page_id=rev_page');
         $this->addWhere('page_latest=rev_id');
         // Get all page IDs
         $this->addWhereFld('page_id', array_keys($titles));
         // Every time someone relies on equality propagation, god kills a kitten :)
         $this->addWhereFld('rev_page', array_keys($titles));
         if (!is_null($params['continue'])) {
             $cont = explode('|', $params['continue']);
             if (count($cont) != 2) {
                 $this->dieUsage('Invalid continue param. You should pass the original ' . 'value returned by the previous query', '_badcontinue');
             }
             $pageid = intval($cont[0]);
             $revid = intval($cont[1]);
             $this->addWhere("rev_page > {$pageid} OR " . "(rev_page = {$pageid} AND " . "rev_id >= {$revid})");
         }
         $this->addOption('ORDER BY', array('rev_page', 'rev_id'));
         // assumption testing -- we should never get more then $pageCount rows.
         $limit = $pageCount;
     } else {
         ApiBase::dieDebug(__METHOD__, 'param validation?');
     }
     $this->addOption('LIMIT', $limit + 1);
     $this->addOption('USE INDEX', $index);
     $count = 0;
     $res = $this->select(__METHOD__);
     foreach ($res as $row) {
         if (++$count > $limit) {
             // We've reached the one extra which shows that there are additional pages to be had. Stop here...
             if (!$enumRevMode) {
                 ApiBase::dieDebug(__METHOD__, 'Got more rows then expected');
                 // bug report
             }
             $this->setContinueEnumParameter('continue', intval($row->rev_id));
             break;
         }
         $fit = $this->addPageSubItem($row->rev_page, $this->extractRowInfo($row), 'rev');
         if (!$fit) {
             if ($enumRevMode) {
                 $this->setContinueEnumParameter('continue', intval($row->rev_id));
             } elseif ($revCount > 0) {
                 $this->setContinueEnumParameter('continue', intval($row->rev_id));
             } else {
                 $this->setContinueEnumParameter('continue', intval($row->rev_page) . '|' . intval($row->rev_id));
             }
             break;
         }
     }
 }
 protected function run(ApiPageSet $resultPageSet = null)
 {
     $params = $this->extractRequestParams(false);
     // If any of those parameters are used, work in 'enumeration' mode.
     // Enum mode can only be used when exactly one page is provided.
     // Enumerating revisions on multiple pages make it extremely
     // difficult to manage continuations and require additional SQL indexes
     $enumRevMode = !is_null($params['user']) || !is_null($params['excludeuser']) || !is_null($params['limit']) || !is_null($params['startid']) || !is_null($params['endid']) || $params['dir'] === 'newer' || !is_null($params['start']) || !is_null($params['end']);
     $pageSet = $this->getPageSet();
     $pageCount = $pageSet->getGoodTitleCount();
     $revCount = $pageSet->getRevisionCount();
     // Optimization -- nothing to do
     if ($revCount === 0 && $pageCount === 0) {
         // Nothing to do
         return;
     }
     if ($revCount > 0 && count($pageSet->getLiveRevisionIDs()) === 0) {
         // We're in revisions mode but all given revisions are deleted
         return;
     }
     if ($revCount > 0 && $enumRevMode) {
         $this->dieUsage('The revids= parameter may not be used with the list options ' . '(limit, startid, endid, dirNewer, start, end).', 'revids');
     }
     if ($pageCount > 1 && $enumRevMode) {
         $this->dieUsage('titles, pageids or a generator was used to supply multiple pages, ' . 'but the limit, startid, endid, dirNewer, user, excludeuser, start ' . 'and end parameters may only be used on a single page.', 'multpages');
     }
     // In non-enum mode, rvlimit can't be directly used. Use the maximum
     // allowed value.
     if (!$enumRevMode) {
         $this->setParsedLimit = false;
         $params['limit'] = 'max';
     }
     $db = $this->getDB();
     $this->addTables(array('revision', 'page'));
     $this->addJoinConds(array('page' => array('INNER JOIN', array('page_id = rev_page'))));
     if ($resultPageSet === null) {
         $this->parseParameters($params);
         $this->token = $params['token'];
         $this->addFields(Revision::selectFields());
         if ($this->token !== null || $pageCount > 0) {
             $this->addFields(Revision::selectPageFields());
         }
     } else {
         $this->limit = $this->getParameter('limit') ?: 10;
         $this->addFields(array('rev_id', 'rev_page'));
     }
     if ($this->fld_tags) {
         $this->addTables('tag_summary');
         $this->addJoinConds(array('tag_summary' => array('LEFT JOIN', array('rev_id=ts_rev_id'))));
         $this->addFields('ts_tags');
     }
     if (!is_null($params['tag'])) {
         $this->addTables('change_tag');
         $this->addJoinConds(array('change_tag' => array('INNER JOIN', array('rev_id=ct_rev_id'))));
         $this->addWhereFld('ct_tag', $params['tag']);
     }
     if ($this->fetchContent) {
         // For each page we will request, the user must have read rights for that page
         $user = $this->getUser();
         /** @var $title Title */
         foreach ($pageSet->getGoodTitles() as $title) {
             if (!$title->userCan('read', $user)) {
                 $this->dieUsage('The current user is not allowed to read ' . $title->getPrefixedText(), 'accessdenied');
             }
         }
         $this->addTables('text');
         $this->addJoinConds(array('text' => array('INNER JOIN', array('rev_text_id=old_id'))));
         $this->addFields('old_id');
         $this->addFields(Revision::selectTextFields());
     }
     // add user name, if needed
     if ($this->fld_user) {
         $this->addTables('user');
         $this->addJoinConds(array('user' => Revision::userJoinCond()));
         $this->addFields(Revision::selectUserFields());
     }
     if ($enumRevMode) {
         // This is mostly to prevent parameter errors (and optimize SQL?)
         if (!is_null($params['startid']) && !is_null($params['start'])) {
             $this->dieUsage('start and startid cannot be used together', 'badparams');
         }
         if (!is_null($params['endid']) && !is_null($params['end'])) {
             $this->dieUsage('end and endid cannot be used together', 'badparams');
         }
         if (!is_null($params['user']) && !is_null($params['excludeuser'])) {
             $this->dieUsage('user and excludeuser cannot be used together', 'badparams');
         }
         // Continuing effectively uses startid. But we can't use rvstartid
         // directly, because there is no way to tell the client to ''not''
         // send rvstart if it sent it in the original query. So instead we
         // send the continuation startid as rvcontinue, and ignore both
         // rvstart and rvstartid when that is supplied.
         if (!is_null($params['continue'])) {
             $params['startid'] = $params['continue'];
             $params['start'] = null;
         }
         // This code makes an assumption that sorting by rev_id and rev_timestamp produces
         // the same result. This way users may request revisions starting at a given time,
         // but to page through results use the rev_id returned after each page.
         // Switching to rev_id removes the potential problem of having more than
         // one row with the same timestamp for the same page.
         // The order needs to be the same as start parameter to avoid SQL filesort.
         if (is_null($params['startid']) && is_null($params['endid'])) {
             $this->addTimestampWhereRange('rev_timestamp', $params['dir'], $params['start'], $params['end']);
         } else {
             $this->addWhereRange('rev_id', $params['dir'], $params['startid'], $params['endid']);
             // One of start and end can be set
             // If neither is set, this does nothing
             $this->addTimestampWhereRange('rev_timestamp', $params['dir'], $params['start'], $params['end'], false);
         }
         // There is only one ID, use it
         $ids = array_keys($pageSet->getGoodTitles());
         $this->addWhereFld('rev_page', reset($ids));
         if (!is_null($params['user'])) {
             $this->addWhereFld('rev_user_text', $params['user']);
         } elseif (!is_null($params['excludeuser'])) {
             $this->addWhere('rev_user_text != ' . $db->addQuotes($params['excludeuser']));
         }
         if (!is_null($params['user']) || !is_null($params['excludeuser'])) {
             // Paranoia: avoid brute force searches (bug 17342)
             if (!$this->getUser()->isAllowed('deletedhistory')) {
                 $bitmask = Revision::DELETED_USER;
             } elseif (!$this->getUser()->isAllowedAny('suppressrevision', 'viewsuppressed')) {
                 $bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
             } else {
                 $bitmask = 0;
             }
             if ($bitmask) {
                 $this->addWhere($db->bitAnd('rev_deleted', $bitmask) . " != {$bitmask}");
             }
         }
     } elseif ($revCount > 0) {
         $revs = $pageSet->getLiveRevisionIDs();
         // Get all revision IDs
         $this->addWhereFld('rev_id', array_keys($revs));
         if (!is_null($params['continue'])) {
             $this->addWhere('rev_id >= ' . intval($params['continue']));
         }
         $this->addOption('ORDER BY', 'rev_id');
     } elseif ($pageCount > 0) {
         $titles = $pageSet->getGoodTitles();
         // When working in multi-page non-enumeration mode,
         // limit to the latest revision only
         $this->addWhere('page_latest=rev_id');
         // Get all page IDs
         $this->addWhereFld('page_id', array_keys($titles));
         // Every time someone relies on equality propagation, god kills a kitten :)
         $this->addWhereFld('rev_page', array_keys($titles));
         if (!is_null($params['continue'])) {
             $cont = explode('|', $params['continue']);
             $this->dieContinueUsageIf(count($cont) != 2);
             $pageid = intval($cont[0]);
             $revid = intval($cont[1]);
             $this->addWhere("rev_page > {$pageid} OR " . "(rev_page = {$pageid} AND " . "rev_id >= {$revid})");
         }
         $this->addOption('ORDER BY', array('rev_page', 'rev_id'));
     } else {
         ApiBase::dieDebug(__METHOD__, 'param validation?');
     }
     $this->addOption('LIMIT', $this->limit + 1);
     $count = 0;
     $generated = array();
     $res = $this->select(__METHOD__);
     foreach ($res as $row) {
         if (++$count > $this->limit) {
             // We've reached the one extra which shows that there are
             // additional pages to be had. Stop here...
             if ($enumRevMode) {
                 $this->setContinueEnumParameter('continue', intval($row->rev_id));
             } elseif ($revCount > 0) {
                 $this->setContinueEnumParameter('continue', intval($row->rev_id));
             } else {
                 $this->setContinueEnumParameter('continue', intval($row->rev_page) . '|' . intval($row->rev_id));
             }
             break;
         }
         if ($resultPageSet !== null) {
             $generated[] = $row->rev_id;
         } else {
             $revision = new Revision($row);
             $rev = $this->extractRevisionInfo($revision, $row);
             if ($this->token !== null) {
                 $title = $revision->getTitle();
                 $tokenFunctions = $this->getTokenFunctions();
                 foreach ($this->token as $t) {
                     $val = call_user_func($tokenFunctions[$t], $title->getArticleID(), $title, $revision);
                     if ($val === false) {
                         $this->setWarning("Action '{$t}' is not allowed for the current user");
                     } else {
                         $rev[$t . 'token'] = $val;
                     }
                 }
             }
             $fit = $this->addPageSubItem($row->rev_page, $rev, 'rev');
             if (!$fit) {
                 if ($enumRevMode) {
                     $this->setContinueEnumParameter('continue', intval($row->rev_id));
                 } elseif ($revCount > 0) {
                     $this->setContinueEnumParameter('continue', intval($row->rev_id));
                 } else {
                     $this->setContinueEnumParameter('continue', intval($row->rev_page) . '|' . intval($row->rev_id));
                 }
                 break;
             }
         }
     }
     if ($resultPageSet !== null) {
         $resultPageSet->populateFromRevisionIDs($generated);
     }
 }
Exemplo n.º 5
0
 public function execute()
 {
     $params = $this->extractRequestParams(false);
     // If any of those parameters are used, work in 'enumeration' mode.
     // Enum mode can only be used when exactly one page is provided.
     // Enumerating revisions on multiple pages make it extremely
     // difficult to manage continuations and require additional SQL indexes
     $enumRevMode = !is_null($params['user']) || !is_null($params['excludeuser']) || !is_null($params['limit']) || !is_null($params['startid']) || !is_null($params['endid']) || $params['dir'] === 'newer' || !is_null($params['start']) || !is_null($params['end']);
     $pageSet = $this->getPageSet();
     $pageCount = $pageSet->getGoodTitleCount();
     $revCount = $pageSet->getRevisionCount();
     // Optimization -- nothing to do
     if ($revCount === 0 && $pageCount === 0) {
         return;
     }
     if ($revCount > 0 && $enumRevMode) {
         $this->dieUsage('The revids= parameter may not be used with the list options (limit, startid, endid, dirNewer, start, end).', 'revids');
     }
     if ($pageCount > 1 && $enumRevMode) {
         $this->dieUsage('titles, pageids or a generator was used to supply multiple pages, but the limit, startid, endid, dirNewer, user, excludeuser, start and end parameters may only be used on a single page.', 'multpages');
     }
     $this->addTables('revision');
     $this->addFields(Revision::selectFields());
     $this->addTables('page');
     $this->addWhere('page_id = rev_page');
     $prop = array_flip($params['prop']);
     // Optional fields
     $this->fld_ids = isset($prop['ids']);
     // $this->addFieldsIf('rev_text_id', $this->fld_ids); // should this be exposed?
     $this->fld_flags = isset($prop['flags']);
     $this->fld_timestamp = isset($prop['timestamp']);
     $this->fld_comment = isset($prop['comment']);
     $this->fld_size = isset($prop['size']);
     $this->fld_user = isset($prop['user']);
     $this->token = $params['token'];
     if (!is_null($this->token) || $pageCount > 0) {
         $this->addFields(Revision::selectPageFields());
     }
     if (isset($prop['content'])) {
         // For each page we will request, the user must have read rights for that page
         foreach ($pageSet->getGoodTitles() as $title) {
             if (!$title->userCanRead()) {
                 $this->dieUsage('The current user is not allowed to read ' . $title->getPrefixedText(), 'accessdenied');
             }
         }
         $this->addTables('text');
         $this->addWhere('rev_text_id=old_id');
         $this->addFields('old_id');
         $this->addFields(Revision::selectTextFields());
         $this->fld_content = true;
         $this->expandTemplates = $params['expandtemplates'];
         $this->generateXML = $params['generatexml'];
         if (isset($params['section'])) {
             $this->section = $params['section'];
         } else {
             $this->section = false;
         }
     }
     $userMax = $this->fld_content ? ApiBase::LIMIT_SML1 : ApiBase::LIMIT_BIG1;
     $botMax = $this->fld_content ? ApiBase::LIMIT_SML2 : ApiBase::LIMIT_BIG2;
     $limit = $params['limit'];
     if ($limit == 'max') {
         $limit = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
         $this->getResult()->addValue('limits', $this->getModuleName(), $limit);
     }
     if ($enumRevMode) {
         // This is mostly to prevent parameter errors (and optimize SQL?)
         if (!is_null($params['startid']) && !is_null($params['start'])) {
             $this->dieUsage('start and startid cannot be used together', 'badparams');
         }
         if (!is_null($params['endid']) && !is_null($params['end'])) {
             $this->dieUsage('end and endid cannot be used together', 'badparams');
         }
         if (!is_null($params['user']) && !is_null($params['excludeuser'])) {
             $this->dieUsage('user and excludeuser cannot be used together', 'badparams');
         }
         // This code makes an assumption that sorting by rev_id and rev_timestamp produces
         // the same result. This way users may request revisions starting at a given time,
         // but to page through results use the rev_id returned after each page.
         // Switching to rev_id removes the potential problem of having more than
         // one row with the same timestamp for the same page.
         // The order needs to be the same as start parameter to avoid SQL filesort.
         if (is_null($params['startid']) && is_null($params['endid'])) {
             $this->addWhereRange('rev_timestamp', $params['dir'], $params['start'], $params['end']);
         } else {
             $this->addWhereRange('rev_id', $params['dir'], $params['startid'], $params['endid']);
         }
         // must manually initialize unset limit
         if (is_null($limit)) {
             $limit = 10;
         }
         $this->validateLimit('limit', $limit, 1, $userMax, $botMax);
         // There is only one ID, use it
         $this->addWhereFld('rev_page', current(array_keys($pageSet->getGoodTitles())));
         if (!is_null($params['user'])) {
             $this->addWhereFld('rev_user_text', $params['user']);
         } elseif (!is_null($params['excludeuser'])) {
             $this->addWhere('rev_user_text != ' . $this->getDB()->addQuotes($params['excludeuser']));
         }
     } elseif ($revCount > 0) {
         $max = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
         $revs = $pageSet->getRevisionIDs();
         if (self::truncateArray($revs, $max)) {
             $this->setWarning("Too many values supplied for parameter 'revids': the limit is {$max}");
         }
         // Get all revision IDs
         $this->addWhereFld('rev_id', array_keys($revs));
         // assumption testing -- we should never get more then $revCount rows.
         $limit = $revCount;
     } elseif ($pageCount > 0) {
         $max = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
         $titles = $pageSet->getGoodTitles();
         if (self::truncateArray($titles, $max)) {
             $this->setWarning("Too many values supplied for parameter 'titles': the limit is {$max}");
         }
         // When working in multi-page non-enumeration mode,
         // limit to the latest revision only
         $this->addWhere('page_id=rev_page');
         $this->addWhere('page_latest=rev_id');
         // Get all page IDs
         $this->addWhereFld('page_id', array_keys($titles));
         // assumption testing -- we should never get more then $pageCount rows.
         $limit = $pageCount;
     } else {
         ApiBase::dieDebug(__METHOD__, 'param validation?');
     }
     $this->addOption('LIMIT', $limit + 1);
     $data = array();
     $count = 0;
     $res = $this->select(__METHOD__);
     $db = $this->getDB();
     while ($row = $db->fetchObject($res)) {
         if (++$count > $limit) {
             // We've reached the one extra which shows that there are additional pages to be had. Stop here...
             if (!$enumRevMode) {
                 ApiBase::dieDebug(__METHOD__, 'Got more rows then expected');
             }
             // bug report
             $this->setContinueEnumParameter('startid', intval($row->rev_id));
             break;
         }
         $revision = new Revision($row);
         $this->getResult()->addValue(array('query', 'pages', $revision->getPage(), 'revisions'), null, $this->extractRowInfo($revision));
     }
     $db->freeResult($res);
     // Ensure that all revisions are shown as '<rev>' elements
     $result = $this->getResult();
     if ($result->getIsRawMode()) {
         $data =& $result->getData();
         foreach ($data['query']['pages'] as &$page) {
             if (is_array($page) && array_key_exists('revisions', $page)) {
                 $result->setIndexedTagName($page['revisions'], 'rev');
             }
         }
     }
 }
Exemplo n.º 6
0
 protected function run(ApiPageSet $resultPageSet = null)
 {
     $params = $this->extractRequestParams(false);
     // If any of those parameters are used, work in 'enumeration' mode.
     // Enum mode can only be used when exactly one page is provided.
     // Enumerating revisions on multiple pages make it extremely
     // difficult to manage continuations and require additional SQL indexes
     $enumRevMode = $params['user'] !== null || $params['excludeuser'] !== null || $params['limit'] !== null || $params['startid'] !== null || $params['endid'] !== null || $params['dir'] === 'newer' || $params['start'] !== null || $params['end'] !== null;
     $pageSet = $this->getPageSet();
     $pageCount = $pageSet->getGoodTitleCount();
     $revCount = $pageSet->getRevisionCount();
     // Optimization -- nothing to do
     if ($revCount === 0 && $pageCount === 0) {
         // Nothing to do
         return;
     }
     if ($revCount > 0 && count($pageSet->getLiveRevisionIDs()) === 0) {
         // We're in revisions mode but all given revisions are deleted
         return;
     }
     if ($revCount > 0 && $enumRevMode) {
         $this->dieUsage('The revids= parameter may not be used with the list options ' . '(limit, startid, endid, dirNewer, start, end).', 'revids');
     }
     if ($pageCount > 1 && $enumRevMode) {
         $this->dieUsage('titles, pageids or a generator was used to supply multiple pages, ' . 'but the limit, startid, endid, dirNewer, user, excludeuser, start ' . 'and end parameters may only be used on a single page.', 'multpages');
     }
     // In non-enum mode, rvlimit can't be directly used. Use the maximum
     // allowed value.
     if (!$enumRevMode) {
         $this->setParsedLimit = false;
         $params['limit'] = 'max';
     }
     $db = $this->getDB();
     $this->addTables(['revision', 'page']);
     $this->addJoinConds(['page' => ['INNER JOIN', ['page_id = rev_page']]]);
     if ($resultPageSet === null) {
         $this->parseParameters($params);
         $this->token = $params['token'];
         $this->addFields(Revision::selectFields());
         if ($this->token !== null || $pageCount > 0) {
             $this->addFields(Revision::selectPageFields());
         }
     } else {
         $this->limit = $this->getParameter('limit') ?: 10;
         $this->addFields(['rev_id', 'rev_timestamp', 'rev_page']);
     }
     if ($this->fld_tags) {
         $this->addTables('tag_summary');
         $this->addJoinConds(['tag_summary' => ['LEFT JOIN', ['rev_id=ts_rev_id']]]);
         $this->addFields('ts_tags');
     }
     if ($params['tag'] !== null) {
         $this->addTables('change_tag');
         $this->addJoinConds(['change_tag' => ['INNER JOIN', ['rev_id=ct_rev_id']]]);
         $this->addWhereFld('ct_tag', $params['tag']);
     }
     if ($this->fetchContent) {
         // For each page we will request, the user must have read rights for that page
         $user = $this->getUser();
         /** @var $title Title */
         foreach ($pageSet->getGoodTitles() as $title) {
             if (!$title->userCan('read', $user)) {
                 $this->dieUsage('The current user is not allowed to read ' . $title->getPrefixedText(), 'accessdenied');
             }
         }
         $this->addTables('text');
         $this->addJoinConds(['text' => ['INNER JOIN', ['rev_text_id=old_id']]]);
         $this->addFields('old_id');
         $this->addFields(Revision::selectTextFields());
     }
     // add user name, if needed
     if ($this->fld_user) {
         $this->addTables('user');
         $this->addJoinConds(['user' => Revision::userJoinCond()]);
         $this->addFields(Revision::selectUserFields());
     }
     if ($enumRevMode) {
         // Indexes targeted:
         //  page_timestamp if we don't have rvuser
         //  page_user_timestamp if we have a logged-in rvuser
         //  page_timestamp or usertext_timestamp if we have an IP rvuser
         // This is mostly to prevent parameter errors (and optimize SQL?)
         if ($params['startid'] !== null && $params['start'] !== null) {
             $this->dieUsage('start and startid cannot be used together', 'badparams');
         }
         if ($params['endid'] !== null && $params['end'] !== null) {
             $this->dieUsage('end and endid cannot be used together', 'badparams');
         }
         if ($params['user'] !== null && $params['excludeuser'] !== null) {
             $this->dieUsage('user and excludeuser cannot be used together', 'badparams');
         }
         if ($params['continue'] !== null) {
             $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]);
             $this->addWhere("rev_timestamp {$op} {$continueTimestamp} OR " . "(rev_timestamp = {$continueTimestamp} AND " . "rev_id {$op}= {$continueId})");
         }
         $this->addTimestampWhereRange('rev_timestamp', $params['dir'], $params['start'], $params['end']);
         $this->addWhereRange('rev_id', $params['dir'], $params['startid'], $params['endid']);
         // There is only one ID, use it
         $ids = array_keys($pageSet->getGoodTitles());
         $this->addWhereFld('rev_page', reset($ids));
         if ($params['user'] !== null) {
             $user = User::newFromName($params['user']);
             if ($user && $user->getId() > 0) {
                 $this->addWhereFld('rev_user', $user->getId());
             } else {
                 $this->addWhereFld('rev_user_text', $params['user']);
             }
         } elseif ($params['excludeuser'] !== null) {
             $user = User::newFromName($params['excludeuser']);
             if ($user && $user->getId() > 0) {
                 $this->addWhere('rev_user != ' . $user->getId());
             } else {
                 $this->addWhere('rev_user_text != ' . $db->addQuotes($params['excludeuser']));
             }
         }
         if ($params['user'] !== null || $params['excludeuser'] !== null) {
             // Paranoia: avoid brute force searches (bug 17342)
             if (!$this->getUser()->isAllowed('deletedhistory')) {
                 $bitmask = Revision::DELETED_USER;
             } elseif (!$this->getUser()->isAllowedAny('suppressrevision', 'viewsuppressed')) {
                 $bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
             } else {
                 $bitmask = 0;
             }
             if ($bitmask) {
                 $this->addWhere($db->bitAnd('rev_deleted', $bitmask) . " != {$bitmask}");
             }
         }
     } elseif ($revCount > 0) {
         // Always targets the PRIMARY index
         $revs = $pageSet->getLiveRevisionIDs();
         // Get all revision IDs
         $this->addWhereFld('rev_id', array_keys($revs));
         if ($params['continue'] !== null) {
             $this->addWhere('rev_id >= ' . intval($params['continue']));
         }
         $this->addOption('ORDER BY', 'rev_id');
     } elseif ($pageCount > 0) {
         // Always targets the rev_page_id index
         $titles = $pageSet->getGoodTitles();
         // When working in multi-page non-enumeration mode,
         // limit to the latest revision only
         $this->addWhere('page_latest=rev_id');
         // Get all page IDs
         $this->addWhereFld('page_id', array_keys($titles));
         // Every time someone relies on equality propagation, god kills a kitten :)
         $this->addWhereFld('rev_page', array_keys($titles));
         if ($params['continue'] !== null) {
             $cont = explode('|', $params['continue']);
             $this->dieContinueUsageIf(count($cont) != 2);
             $pageid = intval($cont[0]);
             $revid = intval($cont[1]);
             $this->addWhere("rev_page > {$pageid} OR " . "(rev_page = {$pageid} AND " . "rev_id >= {$revid})");
         }
         $this->addOption('ORDER BY', ['rev_page', 'rev_id']);
     } else {
         ApiBase::dieDebug(__METHOD__, 'param validation?');
     }
     $this->addOption('LIMIT', $this->limit + 1);
     $count = 0;
     $generated = [];
     $hookData = [];
     $res = $this->select(__METHOD__, [], $hookData);
     foreach ($res as $row) {
         if (++$count > $this->limit) {
             // We've reached the one extra which shows that there are
             // additional pages to be had. Stop here...
             if ($enumRevMode) {
                 $this->setContinueEnumParameter('continue', $row->rev_timestamp . '|' . intval($row->rev_id));
             } elseif ($revCount > 0) {
                 $this->setContinueEnumParameter('continue', intval($row->rev_id));
             } else {
                 $this->setContinueEnumParameter('continue', intval($row->rev_page) . '|' . intval($row->rev_id));
             }
             break;
         }
         if ($resultPageSet !== null) {
             $generated[] = $row->rev_id;
         } else {
             $revision = new Revision($row);
             $rev = $this->extractRevisionInfo($revision, $row);
             if ($this->token !== null) {
                 $title = $revision->getTitle();
                 $tokenFunctions = $this->getTokenFunctions();
                 foreach ($this->token as $t) {
                     $val = call_user_func($tokenFunctions[$t], $title->getArticleID(), $title, $revision);
                     if ($val === false) {
                         $this->setWarning("Action '{$t}' is not allowed for the current user");
                     } else {
                         $rev[$t . 'token'] = $val;
                     }
                 }
             }
             $fit = $this->processRow($row, $rev, $hookData) && $this->addPageSubItem($row->rev_page, $rev, 'rev');
             if (!$fit) {
                 if ($enumRevMode) {
                     $this->setContinueEnumParameter('continue', $row->rev_timestamp . '|' . intval($row->rev_id));
                 } elseif ($revCount > 0) {
                     $this->setContinueEnumParameter('continue', intval($row->rev_id));
                 } else {
                     $this->setContinueEnumParameter('continue', intval($row->rev_page) . '|' . intval($row->rev_id));
                 }
                 break;
             }
         }
     }
     if ($resultPageSet !== null) {
         $resultPageSet->populateFromRevisionIDs($generated);
     }
 }
Exemplo n.º 7
0
	public function execute() {
		global $wgContLang;

		$dbw = TranslationMemoryUpdater::getDatabaseHandle();
		if ( $dbw === null ) {
			$this->error( "Database file not configured" );
			$this->exit();
		}
		$dbw->setFlag( DBO_TRX ); // HUGE speed improvement

		$groups = MessageGroups::singleton()->getGroups();
		// TODO: encapsulate list of valid language codes
		$languages = Language::getLanguageNames( false );
		unset( $languages['en'] );

		foreach ( $groups as $id => $group ) {
			if ( $group->isMeta() ) {
				continue;
			}

			$this->output( "Processing: {$group->getLabel()} ", $id );
			$capitalized = MWNamespace::isCapitalized( $group->getNamespace() );
			$ns_text = $wgContLang->getNsText( $group->getNamespace() );

			$definitions = $group->load( $group->getSourceLanguage() );
			foreach ( $definitions as $key => $definition ) {
				// TODO: would be nice to do key normalisation closer to the message groups, to avoid transforming back and forth.
				// But how to preserve the original keys...
				$key = strtr( $key, ' ', '_' );
				$key = $capitalized ? $wgContLang->ucfirst( $key ) : $key;

				$dbr = wfGetDB( DB_SLAVE );
				$tables = array( 'page', 'revision', 'text' );
				// selectFields to stfu Revision class
				$vars = array_merge( Revision::selectTextFields(), array( 'page_title' ), Revision::selectFields() );
				$conds = array(
					'page_latest = rev_id',
					'rev_text_id = old_id',
					'page_namespace' => $group->getNamespace(),
					'page_title ' . $dbr->buildLike( "$key/", $dbr->anyString() )
				);

				$res = $dbr->select( $tables, $vars, $conds, __METHOD__ );
				// Assure that there is at least one translation
				if ( $res->numRows() < 1 ) {
					continue;
				}

				$insert = array(
					'text' => $definition,
					'context' => "$ns_text:$key",
					'length' => strlen( $definition ),
					'lang' => $group->getSourceLanguage(),
				);

				$source_id = $dbw->selectField( '`sources`', 'sid', $insert, __METHOD__ );
				if ( $source_id === false ) {
					$dbw->insert( '`sources`', $insert, __METHOD__ );
					$source_id = $dbw->insertId();
				}

				$this->output( ' ', $id );

				foreach ( $res as $row ) {
					list( , $code ) = TranslateUtils::figureMessage( $row->page_title );
					$revision = new Revision( $row );
					$insert = array(
						'text' => $revision->getText(),
						'lang' => $code,
						'time' => wfTimestamp(),
						'sid' => $source_id );
					// We only do SQlite which doesn't need to know unique indexes
					$dbw->replace( '`targets`', null, $insert, __METHOD__ );
				}
				$this->output( "{$res->numRows()}", $id );

			} // each translation>

			$dbw->commit();
		} // each group>
	}
	public function fetchTranslatorsPortal( $natives ) {
		$titles = array();
		foreach ( $natives as $code => $_ ) {
			$titles[] = Title::capitalize( $code, NS_PORTAL ) . '/translators';
		}

		$dbr = wfGetDB( DB_SLAVE );
		$tables = array( 'page', 'revision', 'text' );
		$vars = array_merge( Revision::selectTextFields(), array( 'page_title', 'page_namespace' ), Revision::selectFields() );
		$conds = array(
			'page_latest = rev_id',
			'rev_text_id = old_id',
			'page_namespace' => NS_PORTAL,
			'page_title' => $titles,
		);

		$res = $dbr->select( $tables, $vars, $conds, __METHOD__ );

		$users = array();
		$lb = new LinkBatch;

		foreach ( $res as $row ) {
			$rev = new Revision( $row );
			$text = $rev->getText();
			$code = strtolower( preg_replace( '!/translators$!', '', $row->page_title ) );

			preg_match_all( '!{{[Uu]ser\|([^}|]+)!', $text, $matches,  PREG_SET_ORDER );
			foreach ( $matches as $match ) {
				$user = Title::capitalize( $match[1], NS_USER );
				$lb->add( NS_USER, $user );
				$lb->add( NS_USER_TALK, $user );
				if ( !isset( $users[$code] ) ) $users[$code] = array();
				$users[$code][strtr( $user, '_', ' ' )] = -1;
			}
		}

		$lb->execute();
		return $users;
	}
 /**
  * Fetch an article from this or another local MediaWiki database.
  * This is probably *very* fragile, and shouldn't be used perhaps.
  *
  * @param string $wiki
  * @param string $article
  * @return string
  */
 function getArticleText($wiki, $article)
 {
     wfDebugLog('SpamBlacklist', "Fetching {$this->getBlacklistType()} blacklist from '{$article}' on '{$wiki}'...\n");
     $title = Title::newFromText($article);
     // Load all the relevant tables from the correct DB.
     // This assumes that old_text is the actual text or
     // that the external store system is at least unified.
     $row = wfGetDB(DB_SLAVE, array(), $wiki)->selectRow(array('page', 'revision', 'text'), array_merge(Revision::selectFields(), Revision::selectPageFields(), Revision::selectTextFields()), array('page_namespace' => $title->getNamespace(), 'page_title' => $title->getDBkey(), 'rev_id=page_latest', 'old_id=rev_text_id'), __METHOD__);
     return $row ? Revision::newFromRow($row)->getText() : false;
 }