<?php
/**
- * API for MediaWiki 1.8+
+ *
*
* Created on Sep 7, 2006
*
- * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * 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
* @file
*/
-if ( !defined( 'MEDIAWIKI' ) ) {
- // Eclipse helper - will be ignored in production
- require_once( 'ApiBase.php' );
-}
+use Wikimedia\Rdbms\IDatabase;
+use Wikimedia\Rdbms\ResultWrapper;
/**
* This is a base class for all Query modules.
private $mQueryModule, $mDb, $tables, $where, $fields, $options, $join_conds;
- public function __construct( ApiBase $query, $moduleName, $paramPrefix = '' ) {
- parent::__construct( $query->getMain(), $moduleName, $paramPrefix );
- $this->mQueryModule = $query;
+ /**
+ * @param ApiQuery $queryModule
+ * @param string $moduleName
+ * @param string $paramPrefix
+ */
+ public function __construct( ApiQuery $queryModule, $moduleName, $paramPrefix = '' ) {
+ parent::__construct( $queryModule->getMain(), $moduleName, $paramPrefix );
+ $this->mQueryModule = $queryModule;
$this->mDb = null;
$this->resetQueryParams();
}
+ /************************************************************************//**
+ * @name Methods to implement
+ * @{
+ */
+
/**
* Get the cache mode for the data generated by this module. Override
* this in the module subclass. For possible return values and other
*
* Public caching will only be allowed if *all* the modules that supply
* data for a given request return a cache mode of public.
+ *
+ * @param array $params
+ * @return string
*/
public function getCacheMode( $params ) {
return 'private';
}
+ /**
+ * Override this method to request extra fields from the pageSet
+ * using $pageSet->requestField('fieldName')
+ *
+ * Note this only makes sense for 'prop' modules, as 'list' and 'meta'
+ * modules should not be using the pageset.
+ *
+ * @param ApiPageSet $pageSet
+ */
+ public function requestExtraData( $pageSet ) {
+ }
+
+ /**@}*/
+
+ /************************************************************************//**
+ * @name Data access
+ * @{
+ */
+
+ /**
+ * Get the main Query module
+ * @return ApiQuery
+ */
+ public function getQuery() {
+ return $this->mQueryModule;
+ }
+
+ /** @inheritDoc */
+ public function getParent() {
+ return $this->getQuery();
+ }
+
+ /**
+ * Get the Query database connection (read-only)
+ * @return IDatabase
+ */
+ protected function getDB() {
+ if ( is_null( $this->mDb ) ) {
+ $this->mDb = $this->getQuery()->getDB();
+ }
+
+ return $this->mDb;
+ }
+
+ /**
+ * Selects the query database connection with the given name.
+ * See ApiQuery::getNamedDB() for more information
+ * @param string $name Name to assign to the database connection
+ * @param int $db One of the DB_* constants
+ * @param string|string[] $groups Query groups
+ * @return IDatabase
+ */
+ public function selectNamedDB( $name, $db, $groups ) {
+ $this->mDb = $this->getQuery()->getNamedDB( $name, $db, $groups );
+ return $this->mDb;
+ }
+
+ /**
+ * Get the PageSet object to work on
+ * @return ApiPageSet
+ */
+ protected function getPageSet() {
+ return $this->getQuery()->getPageSet();
+ }
+
+ /**@}*/
+
+ /************************************************************************//**
+ * @name Querying
+ * @{
+ */
+
/**
* Blank the internal arrays with query parameters
*/
protected function resetQueryParams() {
- $this->tables = array();
- $this->where = array();
- $this->fields = array();
- $this->options = array();
- $this->join_conds = array();
+ $this->tables = [];
+ $this->where = [];
+ $this->fields = [];
+ $this->options = [];
+ $this->join_conds = [];
}
/**
* Add a set of tables to the internal array
- * @param $tables mixed Table name or array of table names
- * @param $alias mixed Table alias, or null for no alias. Cannot be
+ * @param string|string[] $tables Table name or array of table names
+ * @param string|null $alias Table alias, or null for no alias. Cannot be
* used with multiple tables
*/
protected function addTables( $tables, $alias = null ) {
$this->tables = array_merge( $this->tables, $tables );
} else {
if ( !is_null( $alias ) ) {
- $tables = $this->getAliasedName( $tables, $alias );
+ $this->tables[$alias] = $tables;
+ } else {
+ $this->tables[] = $tables;
}
- $this->tables[] = $tables;
}
}
- /**
- * Get the SQL for a table name with alias
- * @param $table string Table name
- * @param $alias string Alias
- * @return string SQL
- */
- protected function getAliasedName( $table, $alias ) {
- return $this->getDB()->tableName( $table ) . ' ' . $alias;
- }
-
/**
* Add a set of JOIN conditions to the internal array
*
- * JOIN conditions are formatted as array( tablename => array(jointype,
- * conditions) e.g. array('page' => array('LEFT JOIN',
- * 'page_id=rev_page')) . conditions may be a string or an
- * addWhere()-style array
- * @param $join_conds array JOIN conditions
+ * JOIN conditions are formatted as [ tablename => [ jointype, conditions ] ]
+ * e.g. [ 'page' => [ 'LEFT JOIN', 'page_id=rev_page' ] ].
+ * Conditions may be a string or an addWhere()-style array.
+ * @param array $join_conds JOIN conditions
*/
protected function addJoinConds( $join_conds ) {
if ( !is_array( $join_conds ) ) {
/**
* Add a set of fields to select to the internal array
- * @param $value mixed Field name or array of field names
+ * @param array|string $value Field name or array of field names
*/
protected function addFields( $value ) {
if ( is_array( $value ) ) {
/**
* Same as addFields(), but add the fields only if a condition is met
- * @param $value mixed See addFields()
- * @param $condition bool If false, do nothing
+ * @param array|string $value See addFields()
+ * @param bool $condition If false, do nothing
* @return bool $condition
*/
protected function addFieldsIf( $value, $condition ) {
if ( $condition ) {
$this->addFields( $value );
+
return true;
}
+
return false;
}
/**
* Add a set of WHERE clauses to the internal array.
- * Clauses can be formatted as 'foo=bar' or array('foo' => 'bar'),
+ * Clauses can be formatted as 'foo=bar' or [ 'foo' => 'bar' ],
* the latter only works if the value is a constant (i.e. not another field)
*
* If $value is an empty array, this function does nothing.
*
- * For example, array('foo=bar', 'baz' => 3, 'bla' => 'foo') translates
+ * For example, [ 'foo=bar', 'baz' => 3, 'bla' => 'foo' ] translates
* to "foo=bar AND baz='3' AND bla='foo'"
- * @param $value mixed String or array
+ * @param string|array $value
*/
protected function addWhere( $value ) {
if ( is_array( $value ) ) {
/**
* Same as addWhere(), but add the WHERE clauses only if a condition is met
- * @param $value mixed See addWhere()
- * @param $condition bool If false, do nothing
+ * @param string|array $value
+ * @param bool $condition If false, do nothing
* @return bool $condition
*/
protected function addWhereIf( $value, $condition ) {
if ( $condition ) {
$this->addWhere( $value );
+
return true;
}
+
return false;
}
/**
* Equivalent to addWhere(array($field => $value))
- * @param $field string Field name
- * @param $value string Value; ignored if null or empty array;
+ * @param string $field Field name
+ * @param string|string[] $value Value; ignored if null or empty array;
*/
protected function addWhereFld( $field, $value ) {
// Use count() to its full documented capabilities to simultaneously
/**
* Add a WHERE clause corresponding to a range, and an ORDER BY
* clause to sort in the right direction
- * @param $field string Field name
- * @param $dir string If 'newer', sort in ascending order, otherwise
+ * @param string $field Field name
+ * @param string $dir If 'newer', sort in ascending order, otherwise
* sort in descending order
- * @param $start string Value to start the list at. If $dir == 'newer'
+ * @param string $start Value to start the list at. If $dir == 'newer'
* this is the lower boundary, otherwise it's the upper boundary
- * @param $end string Value to end the list at. If $dir == 'newer' this
+ * @param string $end Value to end the list at. If $dir == 'newer' this
* is the upper boundary, otherwise it's the lower boundary
- * @param $sort bool If false, don't add an ORDER BY clause
+ * @param bool $sort If false, don't add an ORDER BY clause
*/
protected function addWhereRange( $field, $dir, $start, $end, $sort = true ) {
$isDirNewer = ( $dir === 'newer' );
if ( $sort ) {
$order = $field . ( $isDirNewer ? '' : ' DESC' );
- if ( !isset( $this->options['ORDER BY'] ) ) {
- $this->addOption( 'ORDER BY', $order );
- } else {
- $this->addOption( 'ORDER BY', $this->options['ORDER BY'] . ', ' . $order );
- }
+ // Append ORDER BY
+ $optionOrderBy = isset( $this->options['ORDER BY'] )
+ ? (array)$this->options['ORDER BY']
+ : [];
+ $optionOrderBy[] = $order;
+ $this->addOption( 'ORDER BY', $optionOrderBy );
}
}
+ /**
+ * Add a WHERE clause corresponding to a range, similar to addWhereRange,
+ * but converts $start and $end to database timestamps.
+ * @see addWhereRange
+ * @param string $field
+ * @param string $dir
+ * @param string $start
+ * @param string $end
+ * @param bool $sort
+ */
+ protected function addTimestampWhereRange( $field, $dir, $start, $end, $sort = true ) {
+ $db = $this->getDB();
+ $this->addWhereRange( $field, $dir,
+ $db->timestampOrNull( $start ), $db->timestampOrNull( $end ), $sort );
+ }
+
/**
* Add an option such as LIMIT or USE INDEX. If an option was set
* before, the old value will be overwritten
- * @param $name string Option name
- * @param $value string Option value
+ * @param string $name Option name
+ * @param string|string[] $value Option value
*/
protected function addOption( $name, $value = null ) {
if ( is_null( $value ) ) {
/**
* Execute a SELECT query based on the values in the internal arrays
- * @param $method string Function the query should be attributed to.
+ * @param string $method Function the query should be attributed to.
* You should usually use __METHOD__ here
- * @param $extraQuery array Query data to add but not store in the object
- * Format is array( 'tables' => ..., 'fields' => ..., 'where' => ..., 'options' => ..., 'join_conds' => ... )
+ * @param array $extraQuery Query data to add but not store in the object
+ * Format is [
+ * 'tables' => ...,
+ * 'fields' => ...,
+ * 'where' => ...,
+ * 'options' => ...,
+ * 'join_conds' => ...
+ * ]
+ * @param array|null &$hookData If set, the ApiQueryBaseBeforeQuery and
+ * ApiQueryBaseAfterQuery hooks will be called, and the
+ * ApiQueryBaseProcessRow hook will be expected.
* @return ResultWrapper
*/
- protected function select( $method, $extraQuery = array() ) {
-
- $tables = array_merge( $this->tables, isset( $extraQuery['tables'] ) ? (array)$extraQuery['tables'] : array() );
- $fields = array_merge( $this->fields, isset( $extraQuery['fields'] ) ? (array)$extraQuery['fields'] : array() );
- $where = array_merge( $this->where, isset( $extraQuery['where'] ) ? (array)$extraQuery['where'] : array() );
- $options = array_merge( $this->options, isset( $extraQuery['options'] ) ? (array)$extraQuery['options'] : array() );
- $join_conds = array_merge( $this->join_conds, isset( $extraQuery['join_conds'] ) ? (array)$extraQuery['join_conds'] : array() );
+ protected function select( $method, $extraQuery = [], array &$hookData = null ) {
+ $tables = array_merge(
+ $this->tables,
+ isset( $extraQuery['tables'] ) ? (array)$extraQuery['tables'] : []
+ );
+ $fields = array_merge(
+ $this->fields,
+ isset( $extraQuery['fields'] ) ? (array)$extraQuery['fields'] : []
+ );
+ $where = array_merge(
+ $this->where,
+ isset( $extraQuery['where'] ) ? (array)$extraQuery['where'] : []
+ );
+ $options = array_merge(
+ $this->options,
+ isset( $extraQuery['options'] ) ? (array)$extraQuery['options'] : []
+ );
+ $join_conds = array_merge(
+ $this->join_conds,
+ isset( $extraQuery['join_conds'] ) ? (array)$extraQuery['join_conds'] : []
+ );
+
+ if ( $hookData !== null ) {
+ Hooks::run( 'ApiQueryBaseBeforeQuery',
+ [ $this, &$tables, &$fields, &$where, &$options, &$join_conds, &$hookData ]
+ );
+ }
- // getDB has its own profileDBIn/Out calls
- $db = $this->getDB();
+ $res = $this->getDB()->select( $tables, $fields, $where, $method, $options, $join_conds );
- $this->profileDBIn();
- $res = $db->select( $tables, $fields, $where, $method, $options, $join_conds );
- $this->profileDBOut();
+ if ( $hookData !== null ) {
+ Hooks::run( 'ApiQueryBaseAfterQuery', [ $this, $res, &$hookData ] );
+ }
return $res;
}
/**
- * Estimate the row count for the SELECT query that would be run if we
- * called select() right now, and check if it's acceptable.
- * @return bool true if acceptable, false otherwise
+ * Call the ApiQueryBaseProcessRow hook
+ *
+ * Generally, a module that passed $hookData to self::select() will call
+ * this just before calling ApiResult::addValue(), and treat a false return
+ * here in the same way it treats a false return from addValue().
+ *
+ * @since 1.28
+ * @param object $row Database row
+ * @param array &$data Data to be added to the result
+ * @param array &$hookData Hook data from ApiQueryBase::select()
+ * @return bool Return false if row processing should end with continuation
*/
- protected function checkRowCount() {
+ protected function processRow( $row, array &$data, array &$hookData ) {
+ return Hooks::run( 'ApiQueryBaseProcessRow', [ $this, $row, &$data, &$hookData ] );
+ }
+
+ /**
+ * @param string $query
+ * @param string $protocol
+ * @return null|string
+ */
+ public function prepareUrlQuerySearchString( $query = null, $protocol = null ) {
$db = $this->getDB();
- $this->profileDBIn();
- $rowcount = $db->estimateRowCount( $this->tables, $this->fields, $this->where, __METHOD__, $this->options );
- $this->profileDBOut();
+ if ( !is_null( $query ) || $query != '' ) {
+ if ( is_null( $protocol ) ) {
+ $protocol = 'http://';
+ }
- global $wgAPIMaxDBRows;
- if ( $rowcount > $wgAPIMaxDBRows ) {
- return false;
+ $likeQuery = LinkFilter::makeLikeArray( $query, $protocol );
+ if ( !$likeQuery ) {
+ $this->dieWithError( 'apierror-badquery' );
+ }
+
+ $likeQuery = LinkFilter::keepOneWildcard( $likeQuery );
+
+ return 'el_index ' . $db->buildLike( $likeQuery );
+ } elseif ( !is_null( $protocol ) ) {
+ return 'el_index ' . $db->buildLike( "$protocol", $db->anyString() );
}
- return true;
+
+ return null;
}
/**
- * Add information (title and namespace) about a Title object to a
- * result array
- * @param $arr array Result array à la ApiResult
- * @param $title Title
- * @param $prefix string Module prefix
+ * Filters hidden users (where the user doesn't have the right to view them)
+ * Also adds relevant block information
+ *
+ * @param bool $showBlockInfo
+ * @return void
*/
- public static function addTitleInfo( &$arr, $title, $prefix = '' ) {
- $arr[$prefix . 'ns'] = intval( $title->getNamespace() );
- $arr[$prefix . 'title'] = $title->getPrefixedText();
+ public function showHiddenUsersAddBlockInfo( $showBlockInfo ) {
+ $this->addTables( 'ipblocks' );
+ $this->addJoinConds( [
+ 'ipblocks' => [ 'LEFT JOIN', 'ipb_user=user_id' ],
+ ] );
+
+ $this->addFields( 'ipb_deleted' );
+
+ if ( $showBlockInfo ) {
+ $this->addFields( [
+ 'ipb_id',
+ 'ipb_by',
+ 'ipb_by_text',
+ 'ipb_expiry',
+ 'ipb_timestamp'
+ ] );
+ $commentQuery = CommentStore::newKey( 'ipb_reason' )->getJoin();
+ $this->addTables( $commentQuery['tables'] );
+ $this->addFields( $commentQuery['fields'] );
+ $this->addJoinConds( $commentQuery['joins'] );
+ }
+
+ // Don't show hidden names
+ if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
+ $this->addWhere( 'ipb_deleted = 0 OR ipb_deleted IS NULL' );
+ }
}
- /**
- * Override this method to request extra fields from the pageSet
- * using $pageSet->requestField('fieldName')
- * @param $pageSet ApiPageSet
+ /**@}*/
+
+ /************************************************************************//**
+ * @name Utility methods
+ * @{
*/
- public function requestExtraData( $pageSet ) {
- }
/**
- * Get the main Query module
- * @return ApiQuery
+ * Add information (title and namespace) about a Title object to a
+ * result array
+ * @param array &$arr Result array à la ApiResult
+ * @param Title $title
+ * @param string $prefix Module prefix
*/
- public function getQuery() {
- return $this->mQueryModule;
+ public static function addTitleInfo( &$arr, $title, $prefix = '' ) {
+ $arr[$prefix . 'ns'] = intval( $title->getNamespace() );
+ $arr[$prefix . 'title'] = $title->getPrefixedText();
}
/**
* Add a sub-element under the page element with the given page ID
- * @param $pageId int Page ID
- * @param $data array Data array à la ApiResult
+ * @param int $pageId Page ID
+ * @param array $data Data array à la ApiResult
* @return bool Whether the element fit in the result
*/
protected function addPageSubItems( $pageId, $data ) {
$result = $this->getResult();
- $result->setIndexedTagName( $data, $this->getModulePrefix() );
- return $result->addValue( array( 'query', 'pages', intval( $pageId ) ),
+ ApiResult::setIndexedTagName( $data, $this->getModulePrefix() );
+
+ return $result->addValue( [ 'query', 'pages', intval( $pageId ) ],
$this->getModuleName(),
$data );
}
/**
* Same as addPageSubItems(), but one element of $data at a time
- * @param $pageId int Page ID
- * @param $item array Data array à la ApiResult
- * @param $elemname string XML element name. If null, getModuleName()
+ * @param int $pageId Page ID
+ * @param array $item Data array à la ApiResult
+ * @param string $elemname XML element name. If null, getModuleName()
* is used
* @return bool Whether the element fit in the result
*/
$elemname = $this->getModulePrefix();
}
$result = $this->getResult();
- $fit = $result->addValue( array( 'query', 'pages', $pageId,
- $this->getModuleName() ), null, $item );
+ $fit = $result->addValue( [ 'query', 'pages', $pageId,
+ $this->getModuleName() ], null, $item );
if ( !$fit ) {
return false;
}
- $result->setIndexedTagName_internal( array( 'query', 'pages', $pageId,
- $this->getModuleName() ), $elemname );
+ $result->addIndexedTagName( [ 'query', 'pages', $pageId,
+ $this->getModuleName() ], $elemname );
+
return true;
}
/**
* Set a query-continue value
- * @param $paramName string Parameter name
- * @param $paramValue string Parameter value
+ * @param string $paramName Parameter name
+ * @param string|array $paramValue Parameter value
*/
protected function setContinueEnumParameter( $paramName, $paramValue ) {
- $paramName = $this->encodeParamName( $paramName );
- $msg = array( $paramName => $paramValue );
- $this->getResult()->disableSizeCheck();
- $this->getResult()->addValue( 'query-continue', $this->getModuleName(), $msg );
- $this->getResult()->enableSizeCheck();
- }
-
- /**
- * Get the Query database connection (read-only)
- * @return Database
- */
- protected function getDB() {
- if ( is_null( $this->mDb ) ) {
- $apiQuery = $this->getQuery();
- $this->mDb = $apiQuery->getDB();
- }
- return $this->mDb;
- }
-
- /**
- * Selects the query database connection with the given name.
- * See ApiQuery::getNamedDB() for more information
- * @param $name string Name to assign to the database connection
- * @param $db int One of the DB_* constants
- * @param $groups array Query groups
- * @return Database
- */
- public function selectNamedDB( $name, $db, $groups ) {
- $this->mDb = $this->getQuery()->getNamedDB( $name, $db, $groups );
- }
-
- /**
- * Get the PageSet object to work on
- * @return ApiPageSet
- */
- protected function getPageSet() {
- return $this->getQuery()->getPageSet();
- }
-
- /**
- * Convert a title to a DB key
- * @param $title string Page title with spaces
- * @return string Page title with underscores
- */
- public function titleToKey( $title ) {
- // Don't throw an error if we got an empty string
- if ( trim( $title ) == '' ) {
- return '';
- }
- $t = Title::newFromText( $title );
- if ( !$t ) {
- $this->dieUsageMsg( array( 'invalidtitle', $title ) );
- }
- return $t->getPrefixedDbKey();
+ $this->getContinuationManager()->addContinueParam( $this, $paramName, $paramValue );
}
/**
- * The inverse of titleToKey()
- * @param $key string Page title with underscores
- * @return string Page title with spaces
- */
- public function keyToTitle( $key ) {
- // Don't throw an error if we got an empty string
- if ( trim( $key ) == '' ) {
- return '';
+ * Convert an input title or title prefix into a dbkey.
+ *
+ * $namespace should always be specified in order to handle per-namespace
+ * capitalization settings.
+ *
+ * @param string $titlePart Title part
+ * @param int $namespace Namespace of the title
+ * @return string DBkey (no namespace prefix)
+ */
+ public function titlePartToKey( $titlePart, $namespace = NS_MAIN ) {
+ $t = Title::makeTitleSafe( $namespace, $titlePart . 'x' );
+ if ( !$t || $t->hasFragment() ) {
+ // Invalid title (e.g. bad chars) or contained a '#'.
+ $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $titlePart ) ] );
}
- $t = Title::newFromDbKey( $key );
- // This really shouldn't happen but we gotta check anyway
- if ( !$t ) {
- $this->dieUsageMsg( array( 'invalidtitle', $key ) );
+ if ( $namespace != $t->getNamespace() || $t->isExternal() ) {
+ // This can happen in two cases. First, if you call titlePartToKey with a title part
+ // that looks like a namespace, but with $defaultNamespace = NS_MAIN. It would be very
+ // difficult to handle such a case. Such cases cannot exist and are therefore treated
+ // as invalid user input. The second case is when somebody specifies a title interwiki
+ // prefix.
+ $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $titlePart ) ] );
}
- return $t->getPrefixedText();
- }
-
- /**
- * An alternative to titleToKey() that doesn't trim trailing spaces
- * @param $titlePart string Title part with spaces
- * @return string Title part with underscores
- */
- public function titlePartToKey( $titlePart ) {
- return substr( $this->titleToKey( $titlePart . 'x' ), 0, - 1 );
- }
- /**
- * An alternative to keyToTitle() that doesn't trim trailing spaces
- * @param $keyPart string Key part with spaces
- * @return string Key part with underscores
- */
- public function keyPartToTitle( $keyPart ) {
- return substr( $this->keyToTitle( $keyPart . 'x' ), 0, - 1 );
+ return substr( $t->getDBkey(), 0, -1 );
}
/**
- * Filters hidden users (where the user doesn't have the right to view them)
- * Also adds relevant block information
+ * Convert an input title or title prefix into a namespace constant and dbkey.
*
- * @param bool $showBlockInfo
- * @return void
- */
- public function showHiddenUsersAddBlockInfo( $showBlockInfo ) {
- global $wgUser;
- $userCanViewHiddenUsers = $wgUser->isAllowed( 'hideuser' );
-
- if ( $showBlockInfo || !$userCanViewHiddenUsers ) {
- $this->addTables( 'ipblocks' );
- $this->addJoinConds( array(
- 'ipblocks' => array( 'LEFT JOIN', 'ipb_user=user_id' ),
- ) );
-
- $this->addFields( 'ipb_deleted' );
-
- if ( $showBlockInfo ) {
- $this->addFields( array( 'ipb_reason', 'ipb_by_text', 'ipb_expiry' ) );
- }
-
- // Don't show hidden names
- if ( !$userCanViewHiddenUsers ) {
- $this->addWhere( 'ipb_deleted = 0 OR ipb_deleted IS NULL' );
- }
+ * @since 1.26
+ * @param string $titlePart Title part
+ * @param int $defaultNamespace Default namespace if none is given
+ * @return array (int, string) Namespace number and DBkey
+ */
+ public function prefixedTitlePartToKey( $titlePart, $defaultNamespace = NS_MAIN ) {
+ $t = Title::newFromText( $titlePart . 'x', $defaultNamespace );
+ if ( !$t || $t->hasFragment() || $t->isExternal() ) {
+ // Invalid title (e.g. bad chars) or contained a '#'.
+ $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $titlePart ) ] );
}
- }
- public function getPossibleErrors() {
- return array_merge( parent::getPossibleErrors(), array(
- array( 'invalidtitle', 'title' ),
- array( 'invalidtitle', 'key' ),
- ) );
+ return [ $t->getNamespace(), substr( $t->getDBkey(), 0, -1 ) ];
}
/**
- * Get version string for use in the API help output
- * @return string
+ * @param string $hash
+ * @return bool
*/
- public static function getBaseVersion() {
- return __CLASS__ . ': $Id$';
- }
-}
-
-/**
- * @ingroup API
- */
-abstract class ApiQueryGeneratorBase extends ApiQueryBase {
-
- private $mIsGenerator;
-
- public function __construct( $query, $moduleName, $paramPrefix = '' ) {
- parent::__construct( $query, $moduleName, $paramPrefix );
- $this->mIsGenerator = false;
+ public function validateSha1Hash( $hash ) {
+ return (bool)preg_match( '/^[a-f0-9]{40}$/', $hash );
}
/**
- * Switch this module to generator mode. By default, generator mode is
- * switched off and the module acts like a normal query module.
+ * @param string $hash
+ * @return bool
*/
- public function setGeneratorMode() {
- $this->mIsGenerator = true;
+ public function validateSha1Base36Hash( $hash ) {
+ return (bool)preg_match( '/^[a-z0-9]{31}$/', $hash );
}
/**
- * Overrides base class to prepend 'g' to every generator parameter
- * @param $paramName string Parameter name
- * @return string Prefixed parameter name
+ * Check whether the current user has permission to view revision-deleted
+ * fields.
+ * @return bool
*/
- public function encodeParamName( $paramName ) {
- if ( $this->mIsGenerator ) {
- return 'g' . parent::encodeParamName( $paramName );
- } else {
- return parent::encodeParamName( $paramName );
- }
+ public function userCanSeeRevDel() {
+ return $this->getUser()->isAllowedAny(
+ 'deletedhistory',
+ 'deletedtext',
+ 'suppressrevision',
+ 'viewsuppressed'
+ );
}
- /**
- * Execute this module as a generator
- * @param $resultPageSet ApiPageSet: All output should be appended to
- * this object
- */
- public abstract function executeGenerator( $resultPageSet );
+ /**@}*/
}