1571 lines
60 KiB
PHP
1571 lines
60 KiB
PHP
<?php
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/**
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*
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*
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* Created on Sep 5, 2006
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*
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* Copyright © 2006, 2010 Yuri Astrakhan <Firstname><Lastname>@gmail.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* This abstract class implements many basic API functions, and is the base of
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* all API classes.
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* The class functions are divided into several areas of functionality:
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*
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* Module parameters: Derived classes can define getAllowedParams() to specify
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* which parameters to expect, how to parse and validate them.
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*
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* Profiling: various methods to allow keeping tabs on various tasks and their
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* time costs
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*
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* Self-documentation: code to allow the API to document its own state
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*
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* @ingroup API
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*/
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abstract class ApiBase extends ContextSource {
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// These constants allow modules to specify exactly how to treat incoming parameters.
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const PARAM_DFLT = 0; // Default value of the parameter
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const PARAM_ISMULTI = 1; // Boolean, do we accept more than one item for this parameter (e.g.: titles)?
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const PARAM_TYPE = 2; // Can be either a string type (e.g.: 'integer') or an array of allowed values
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const PARAM_MAX = 3; // Max value allowed for a parameter. Only applies if TYPE='integer'
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const PARAM_MAX2 = 4; // Max value allowed for a parameter for bots and sysops. Only applies if TYPE='integer'
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const PARAM_MIN = 5; // Lowest value allowed for a parameter. Only applies if TYPE='integer'
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const PARAM_ALLOW_DUPLICATES = 6; // Boolean, do we allow the same value to be set more than once when ISMULTI=true
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const PARAM_DEPRECATED = 7; // Boolean, is the parameter deprecated (will show a warning)
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const PARAM_REQUIRED = 8; // Boolean, is the parameter required?
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const PARAM_RANGE_ENFORCE = 9; // Boolean, if MIN/MAX are set, enforce (die) these? Only applies if TYPE='integer' Use with extreme caution
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const LIMIT_BIG1 = 500; // Fast query, std user limit
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const LIMIT_BIG2 = 5000; // Fast query, bot/sysop limit
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const LIMIT_SML1 = 50; // Slow query, std user limit
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const LIMIT_SML2 = 500; // Slow query, bot/sysop limit
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private $mMainModule, $mModuleName, $mModulePrefix;
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private $mParamCache = array();
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/**
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* Constructor
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* @param $mainModule ApiMain object
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* @param $moduleName string Name of this module
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* @param $modulePrefix string Prefix to use for parameter names
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*/
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public function __construct( $mainModule, $moduleName, $modulePrefix = '' ) {
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$this->mMainModule = $mainModule;
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$this->mModuleName = $moduleName;
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$this->mModulePrefix = $modulePrefix;
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if ( !$this->isMain() ) {
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$this->setContext( $mainModule->getContext() );
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}
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}
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/*****************************************************************************
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* ABSTRACT METHODS *
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*****************************************************************************/
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/**
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* Evaluates the parameters, performs the requested query, and sets up
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* the result. Concrete implementations of ApiBase must override this
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* method to provide whatever functionality their module offers.
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* Implementations must not produce any output on their own and are not
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* expected to handle any errors.
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*
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* The execute() method will be invoked directly by ApiMain immediately
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* before the result of the module is output. Aside from the
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* constructor, implementations should assume that no other methods
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* will be called externally on the module before the result is
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* processed.
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*
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* The result data should be stored in the ApiResult object available
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* through getResult().
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*/
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public abstract function execute();
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/**
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* Returns a string that identifies the version of the extending class.
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* Typically includes the class name, the svn revision, timestamp, and
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* last author. Usually done with SVN's Id keyword
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* @return string
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*/
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public abstract function getVersion();
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/**
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* Get the name of the module being executed by this instance
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* @return string
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*/
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public function getModuleName() {
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return $this->mModuleName;
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}
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/**
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* Get parameter prefix (usually two letters or an empty string).
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* @return string
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*/
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public function getModulePrefix() {
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return $this->mModulePrefix;
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}
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/**
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* Get the name of the module as shown in the profiler log
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*
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* @param $db DatabaseBase
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*
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* @return string
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*/
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public function getModuleProfileName( $db = false ) {
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if ( $db ) {
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return 'API:' . $this->mModuleName . '-DB';
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} else {
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return 'API:' . $this->mModuleName;
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}
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}
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/**
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* Get the main module
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* @return ApiMain object
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*/
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public function getMain() {
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return $this->mMainModule;
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}
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/**
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* Returns true if this module is the main module ($this === $this->mMainModule),
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* false otherwise.
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* @return bool
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*/
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public function isMain() {
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return $this === $this->mMainModule;
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}
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/**
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* Get the result object
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* @return ApiResult
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*/
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public function getResult() {
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// Main module has getResult() method overriden
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// Safety - avoid infinite loop:
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if ( $this->isMain() ) {
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ApiBase::dieDebug( __METHOD__, 'base method was called on main module. ' );
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}
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return $this->getMain()->getResult();
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}
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/**
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* Get the result data array (read-only)
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* @return array
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*/
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public function getResultData() {
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return $this->getResult()->getData();
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}
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/**
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* Create a new RequestContext object to use e.g. for calls to other parts
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* the software.
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* The object will have the WebRequest and the User object set to the ones
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* used in this instance.
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*
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* @deprecated since 1.19 use getContext to get the current context
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* @return DerivativeContext
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*/
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public function createContext() {
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wfDeprecated( __METHOD__, '1.19' );
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return new DerivativeContext( $this->getContext() );
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}
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/**
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* Set warning section for this module. Users should monitor this
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* section to notice any changes in API. Multiple calls to this
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* function will result in the warning messages being separated by
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* newlines
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* @param $warning string Warning message
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*/
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public function setWarning( $warning ) {
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$result = $this->getResult();
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$data = $result->getData();
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if ( isset( $data['warnings'][$this->getModuleName()] ) ) {
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// Don't add duplicate warnings
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$warn_regex = preg_quote( $warning, '/' );
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if ( preg_match( "/{$warn_regex}(\\n|$)/", $data['warnings'][$this->getModuleName()]['*'] ) ) {
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return;
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}
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$oldwarning = $data['warnings'][$this->getModuleName()]['*'];
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// If there is a warning already, append it to the existing one
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$warning = "$oldwarning\n$warning";
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$result->unsetValue( 'warnings', $this->getModuleName() );
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}
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$msg = array();
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ApiResult::setContent( $msg, $warning );
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$result->disableSizeCheck();
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$result->addValue( 'warnings', $this->getModuleName(), $msg );
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$result->enableSizeCheck();
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}
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/**
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* If the module may only be used with a certain format module,
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* it should override this method to return an instance of that formatter.
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* A value of null means the default format will be used.
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* @return mixed instance of a derived class of ApiFormatBase, or null
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*/
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public function getCustomPrinter() {
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return null;
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}
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/**
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* Generates help message for this module, or false if there is no description
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* @return mixed string or false
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*/
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public function makeHelpMsg() {
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static $lnPrfx = "\n ";
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$msg = $this->getFinalDescription();
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if ( $msg !== false ) {
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if ( !is_array( $msg ) ) {
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$msg = array(
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$msg
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);
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}
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$msg = $lnPrfx . implode( $lnPrfx, $msg ) . "\n";
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if ( $this->isReadMode() ) {
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$msg .= "\nThis module requires read rights";
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}
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if ( $this->isWriteMode() ) {
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$msg .= "\nThis module requires write rights";
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}
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if ( $this->mustBePosted() ) {
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$msg .= "\nThis module only accepts POST requests";
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}
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if ( $this->isReadMode() || $this->isWriteMode() ||
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$this->mustBePosted() ) {
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$msg .= "\n";
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}
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// Parameters
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$paramsMsg = $this->makeHelpMsgParameters();
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if ( $paramsMsg !== false ) {
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$msg .= "Parameters:\n$paramsMsg";
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}
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$examples = $this->getExamples();
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if ( $examples !== false && $examples !== '' ) {
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if ( !is_array( $examples ) ) {
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$examples = array(
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$examples
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);
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}
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$msg .= "Example" . ( count( $examples ) > 1 ? 's' : '' ) . ":\n";
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foreach( $examples as $k => $v ) {
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if ( is_numeric( $k ) ) {
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$msg .= " $v\n";
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} else {
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$v .= ":";
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if ( is_array( $v ) ) {
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$msgExample = implode( "\n", array_map( array( $this, 'indentExampleText' ), $v ) );
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} else {
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$msgExample = " $v";
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}
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$msg .= wordwrap( $msgExample, 100, "\n" ) . "\n $k\n";
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}
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}
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}
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$msg .= $this->makeHelpArrayToString( $lnPrfx, "Help page", $this->getHelpUrls() );
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if ( $this->getMain()->getShowVersions() ) {
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$versions = $this->getVersion();
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$pattern = '/(\$.*) ([0-9a-z_]+\.php) (.*\$)/i';
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$callback = array( $this, 'makeHelpMsg_callback' );
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if ( is_array( $versions ) ) {
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foreach ( $versions as &$v ) {
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$v = preg_replace_callback( $pattern, $callback, $v );
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}
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$versions = implode( "\n ", $versions );
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} else {
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$versions = preg_replace_callback( $pattern, $callback, $versions );
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}
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$msg .= "Version:\n $versions\n";
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}
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}
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return $msg;
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}
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/**
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* @param $item string
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* @return string
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*/
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private function indentExampleText( $item ) {
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return " " . $item;
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}
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/**
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* @param $prefix string Text to split output items
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* @param $title string What is being output
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* @param $input string|array
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* @return string
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*/
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protected function makeHelpArrayToString( $prefix, $title, $input ) {
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if ( $input === false ) {
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return '';
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}
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if ( !is_array( $input ) ) {
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$input = array(
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$input
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);
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}
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if ( count( $input ) > 0 ) {
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$msg = $title . ( count( $input ) > 1 ? 's' : '' ) . ":\n ";
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$msg .= implode( $prefix, $input ) . "\n";
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return $msg;
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}
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return '';
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}
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/**
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* Generates the parameter descriptions for this module, to be displayed in the
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* module's help.
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* @return string or false
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*/
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public function makeHelpMsgParameters() {
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$params = $this->getFinalParams();
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if ( $params ) {
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$paramsDescription = $this->getFinalParamDescription();
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$msg = '';
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$paramPrefix = "\n" . str_repeat( ' ', 24 );
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$descWordwrap = "\n" . str_repeat( ' ', 28 );
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foreach ( $params as $paramName => $paramSettings ) {
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$desc = isset( $paramsDescription[$paramName] ) ? $paramsDescription[$paramName] : '';
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if ( is_array( $desc ) ) {
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$desc = implode( $paramPrefix, $desc );
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}
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if ( !is_array( $paramSettings ) ) {
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$paramSettings = array(
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self::PARAM_DFLT => $paramSettings,
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);
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}
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$deprecated = isset( $paramSettings[self::PARAM_DEPRECATED] ) ?
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$paramSettings[self::PARAM_DEPRECATED] : false;
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if ( $deprecated ) {
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$desc = "DEPRECATED! $desc";
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}
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$required = isset( $paramSettings[self::PARAM_REQUIRED] ) ?
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$paramSettings[self::PARAM_REQUIRED] : false;
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if ( $required ) {
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$desc .= $paramPrefix . "This parameter is required";
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}
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$type = isset( $paramSettings[self::PARAM_TYPE] ) ? $paramSettings[self::PARAM_TYPE] : null;
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if ( isset( $type ) ) {
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if ( isset( $paramSettings[self::PARAM_ISMULTI] ) && $paramSettings[self::PARAM_ISMULTI] ) {
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$prompt = 'Values (separate with \'|\'): ';
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} else {
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$prompt = 'One value: ';
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}
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if ( is_array( $type ) ) {
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$choices = array();
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$nothingPrompt = false;
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foreach ( $type as $t ) {
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if ( $t === '' ) {
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$nothingPrompt = 'Can be empty, or ';
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} else {
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$choices[] = $t;
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}
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}
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$desc .= $paramPrefix . $nothingPrompt . $prompt;
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$choicesstring = implode( ', ', $choices );
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$desc .= wordwrap( $choicesstring, 100, $descWordwrap );
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} else {
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switch ( $type ) {
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case 'namespace':
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// Special handling because namespaces are type-limited, yet they are not given
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$desc .= $paramPrefix . $prompt;
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$desc .= wordwrap( implode( ', ', MWNamespace::getValidNamespaces() ),
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100, $descWordwrap );
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break;
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case 'limit':
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$desc .= $paramPrefix . "No more than {$paramSettings[self :: PARAM_MAX]}";
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if ( isset( $paramSettings[self::PARAM_MAX2] ) ) {
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$desc .= " ({$paramSettings[self::PARAM_MAX2]} for bots)";
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}
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$desc .= ' allowed';
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break;
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case 'integer':
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$hasMin = isset( $paramSettings[self::PARAM_MIN] );
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$hasMax = isset( $paramSettings[self::PARAM_MAX] );
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if ( $hasMin || $hasMax ) {
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if ( !$hasMax ) {
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$intRangeStr = "The value must be no less than {$paramSettings[self::PARAM_MIN]}";
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} elseif ( !$hasMin ) {
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$intRangeStr = "The value must be no more than {$paramSettings[self::PARAM_MAX]}";
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} else {
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$intRangeStr = "The value must be between {$paramSettings[self::PARAM_MIN]} and {$paramSettings[self::PARAM_MAX]}";
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}
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$desc .= $paramPrefix . $intRangeStr;
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}
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break;
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}
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if ( isset( $paramSettings[self::PARAM_ISMULTI] ) ) {
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$isArray = is_array( $paramSettings[self::PARAM_TYPE] );
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if ( !$isArray
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|| $isArray && count( $paramSettings[self::PARAM_TYPE] ) > self::LIMIT_SML1 ) {
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$desc .= $paramPrefix . "Maximum number of values " .
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self::LIMIT_SML1 . " (" . self::LIMIT_SML2 . " for bots)";
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}
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}
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}
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}
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$default = is_array( $paramSettings )
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? ( isset( $paramSettings[self::PARAM_DFLT] ) ? $paramSettings[self::PARAM_DFLT] : null )
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: $paramSettings;
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if ( !is_null( $default ) && $default !== false ) {
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$desc .= $paramPrefix . "Default: $default";
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}
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$msg .= sprintf( " %-19s - %s\n", $this->encodeParamName( $paramName ), $desc );
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}
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return $msg;
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} else {
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return false;
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}
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}
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/**
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* Callback for preg_replace_callback() call in makeHelpMsg().
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* Replaces a source file name with a link to ViewVC
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*
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* @param $matches array
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* @return string
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*/
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public function makeHelpMsg_callback( $matches ) {
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global $wgAutoloadClasses, $wgAutoloadLocalClasses;
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$file = '';
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if ( isset( $wgAutoloadLocalClasses[get_class( $this )] ) ) {
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$file = $wgAutoloadLocalClasses[get_class( $this )];
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} elseif ( isset( $wgAutoloadClasses[get_class( $this )] ) ) {
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$file = $wgAutoloadClasses[get_class( $this )];
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}
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// Do some guesswork here
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$path = strstr( $file, 'includes/api/' );
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if ( $path === false ) {
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$path = strstr( $file, 'extensions/' );
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} else {
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$path = 'phase3/' . $path;
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}
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// Get the filename from $matches[2] instead of $file
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// If they're not the same file, they're assumed to be in the
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// same directory
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// This is necessary to make stuff like ApiMain::getVersion()
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// returning the version string for ApiBase work
|
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if ( $path ) {
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return "{$matches[0]}\n https://svn.wikimedia.org/" .
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"viewvc/mediawiki/trunk/" . dirname( $path ) .
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"/{$matches[2]}";
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}
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return $matches[0];
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}
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|
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/**
|
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* Returns the description string for this module
|
|
* @return mixed string or array of strings
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*/
|
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protected function getDescription() {
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return false;
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}
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|
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/**
|
|
* Returns usage examples for this module. Return false if no examples are available.
|
|
* @return bool|string|array
|
|
*/
|
|
protected function getExamples() {
|
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return false;
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}
|
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|
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/**
|
|
* Returns an array of allowed parameters (parameter name) => (default
|
|
* value) or (parameter name) => (array with PARAM_* constants as keys)
|
|
* Don't call this function directly: use getFinalParams() to allow
|
|
* hooks to modify parameters as needed.
|
|
* @return array|bool
|
|
*/
|
|
protected function getAllowedParams() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns an array of parameter descriptions.
|
|
* Don't call this functon directly: use getFinalParamDescription() to
|
|
* allow hooks to modify descriptions as needed.
|
|
* @return array|bool False on no parameter descriptions
|
|
*/
|
|
protected function getParamDescription() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get final list of parameters, after hooks have had a chance to
|
|
* tweak it as needed.
|
|
*
|
|
* @return array|Bool False on no parameters
|
|
*/
|
|
public function getFinalParams() {
|
|
$params = $this->getAllowedParams();
|
|
wfRunHooks( 'APIGetAllowedParams', array( &$this, &$params ) );
|
|
return $params;
|
|
}
|
|
|
|
/**
|
|
* Get final parameter descriptions, after hooks have had a chance to tweak it as
|
|
* needed.
|
|
*
|
|
* @return array|bool False on no parameter descriptions
|
|
*/
|
|
public function getFinalParamDescription() {
|
|
$desc = $this->getParamDescription();
|
|
wfRunHooks( 'APIGetParamDescription', array( &$this, &$desc ) );
|
|
return $desc;
|
|
}
|
|
|
|
/**
|
|
* Get final module description, after hooks have had a chance to tweak it as
|
|
* needed.
|
|
*
|
|
* @return array|bool False on no parameters
|
|
*/
|
|
public function getFinalDescription() {
|
|
$desc = $this->getDescription();
|
|
wfRunHooks( 'APIGetDescription', array( &$this, &$desc ) );
|
|
return $desc;
|
|
}
|
|
|
|
/**
|
|
* This method mangles parameter name based on the prefix supplied to the constructor.
|
|
* Override this method to change parameter name during runtime
|
|
* @param $paramName string Parameter name
|
|
* @return string Prefixed parameter name
|
|
*/
|
|
public function encodeParamName( $paramName ) {
|
|
return $this->mModulePrefix . $paramName;
|
|
}
|
|
|
|
/**
|
|
* Using getAllowedParams(), this function makes an array of the values
|
|
* provided by the user, with key being the name of the variable, and
|
|
* value - validated value from user or default. limits will not be
|
|
* parsed if $parseLimit is set to false; use this when the max
|
|
* limit is not definitive yet, e.g. when getting revisions.
|
|
* @param $parseLimit Boolean: true by default
|
|
* @return array
|
|
*/
|
|
public function extractRequestParams( $parseLimit = true ) {
|
|
// Cache parameters, for performance and to avoid bug 24564.
|
|
if ( !isset( $this->mParamCache[$parseLimit] ) ) {
|
|
$params = $this->getFinalParams();
|
|
$results = array();
|
|
|
|
if ( $params ) { // getFinalParams() can return false
|
|
foreach ( $params as $paramName => $paramSettings ) {
|
|
$results[$paramName] = $this->getParameterFromSettings(
|
|
$paramName, $paramSettings, $parseLimit );
|
|
}
|
|
}
|
|
$this->mParamCache[$parseLimit] = $results;
|
|
}
|
|
return $this->mParamCache[$parseLimit];
|
|
}
|
|
|
|
/**
|
|
* Get a value for the given parameter
|
|
* @param $paramName string Parameter name
|
|
* @param $parseLimit bool see extractRequestParams()
|
|
* @return mixed Parameter value
|
|
*/
|
|
protected function getParameter( $paramName, $parseLimit = true ) {
|
|
$params = $this->getFinalParams();
|
|
$paramSettings = $params[$paramName];
|
|
return $this->getParameterFromSettings( $paramName, $paramSettings, $parseLimit );
|
|
}
|
|
|
|
/**
|
|
* Die if none or more than one of a certain set of parameters is set and not false.
|
|
* @param $params array of parameter names
|
|
*/
|
|
public function requireOnlyOneParameter( $params ) {
|
|
$required = func_get_args();
|
|
array_shift( $required );
|
|
|
|
$intersection = array_intersect( array_keys( array_filter( $params,
|
|
array( $this, "parameterNotEmpty" ) ) ), $required );
|
|
|
|
if ( count( $intersection ) > 1 ) {
|
|
$this->dieUsage( 'The parameters ' . implode( ', ', $intersection ) . ' can not be used together', 'invalidparammix' );
|
|
} elseif ( count( $intersection ) == 0 ) {
|
|
$this->dieUsage( 'One of the parameters ' . implode( ', ', $required ) . ' is required', 'missingparam' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates the possible errors requireOnlyOneParameter() can die with
|
|
*
|
|
* @param $params array
|
|
* @return array
|
|
*/
|
|
public function getRequireOnlyOneParameterErrorMessages( $params ) {
|
|
$p = $this->getModulePrefix();
|
|
$params = implode( ", {$p}", $params );
|
|
|
|
return array(
|
|
array( 'code' => "{$p}missingparam", 'info' => "One of the parameters {$p}{$params} is required" ),
|
|
array( 'code' => "{$p}invalidparammix", 'info' => "The parameters {$p}{$params} can not be used together" )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Die if more than one of a certain set of parameters is set and not false.
|
|
*
|
|
* @param $params array
|
|
*/
|
|
public function requireMaxOneParameter( $params ) {
|
|
$required = func_get_args();
|
|
array_shift( $required );
|
|
|
|
$intersection = array_intersect( array_keys( array_filter( $params,
|
|
array( $this, "parameterNotEmpty" ) ) ), $required );
|
|
|
|
if ( count( $intersection ) > 1 ) {
|
|
$this->dieUsage( 'The parameters ' . implode( ', ', $intersection ) . ' can not be used together', 'invalidparammix' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates the possible error requireMaxOneParameter() can die with
|
|
*
|
|
* @param $params array
|
|
* @return array
|
|
*/
|
|
public function getRequireMaxOneParameterErrorMessages( $params ) {
|
|
$p = $this->getModulePrefix();
|
|
$params = implode( ", {$p}", $params );
|
|
|
|
return array(
|
|
array( 'code' => "{$p}invalidparammix", 'info' => "The parameters {$p}{$params} can not be used together" )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Callback function used in requireOnlyOneParameter to check whether reequired parameters are set
|
|
*
|
|
* @param $x object Parameter to check is not null/false
|
|
* @return bool
|
|
*/
|
|
private function parameterNotEmpty( $x ) {
|
|
return !is_null( $x ) && $x !== false;
|
|
}
|
|
|
|
/**
|
|
* @deprecated since 1.17 use MWNamespace::getValidNamespaces()
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function getValidNamespaces() {
|
|
wfDeprecated( __METHOD__, '1.17' );
|
|
return MWNamespace::getValidNamespaces();
|
|
}
|
|
|
|
/**
|
|
* Return true if we're to watch the page, false if not, null if no change.
|
|
* @param $watchlist String Valid values: 'watch', 'unwatch', 'preferences', 'nochange'
|
|
* @param $titleObj Title the page under consideration
|
|
* @param $userOption String The user option to consider when $watchlist=preferences.
|
|
* If not set will magically default to either watchdefault or watchcreations
|
|
* @return bool
|
|
*/
|
|
protected function getWatchlistValue ( $watchlist, $titleObj, $userOption = null ) {
|
|
|
|
$userWatching = $titleObj->userIsWatching();
|
|
|
|
switch ( $watchlist ) {
|
|
case 'watch':
|
|
return true;
|
|
|
|
case 'unwatch':
|
|
return false;
|
|
|
|
case 'preferences':
|
|
# If the user is already watching, don't bother checking
|
|
if ( $userWatching ) {
|
|
return true;
|
|
}
|
|
# If no user option was passed, use watchdefault or watchcreation
|
|
if ( is_null( $userOption ) ) {
|
|
$userOption = $titleObj->exists()
|
|
? 'watchdefault' : 'watchcreations';
|
|
}
|
|
# Watch the article based on the user preference
|
|
return (bool)$this->getUser()->getOption( $userOption );
|
|
|
|
case 'nochange':
|
|
return $userWatching;
|
|
|
|
default:
|
|
return $userWatching;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set a watch (or unwatch) based the based on a watchlist parameter.
|
|
* @param $watch String Valid values: 'watch', 'unwatch', 'preferences', 'nochange'
|
|
* @param $titleObj Title the article's title to change
|
|
* @param $userOption String The user option to consider when $watch=preferences
|
|
*/
|
|
protected function setWatch( $watch, $titleObj, $userOption = null ) {
|
|
$value = $this->getWatchlistValue( $watch, $titleObj, $userOption );
|
|
if ( $value === null ) {
|
|
return;
|
|
}
|
|
|
|
$user = $this->getUser();
|
|
if ( $value ) {
|
|
WatchAction::doWatch( $titleObj, $user );
|
|
} else {
|
|
WatchAction::doUnwatch( $titleObj, $user );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Using the settings determine the value for the given parameter
|
|
*
|
|
* @param $paramName String: parameter name
|
|
* @param $paramSettings array|mixed default value or an array of settings
|
|
* using PARAM_* constants.
|
|
* @param $parseLimit Boolean: parse limit?
|
|
* @return mixed Parameter value
|
|
*/
|
|
protected function getParameterFromSettings( $paramName, $paramSettings, $parseLimit ) {
|
|
// Some classes may decide to change parameter names
|
|
$encParamName = $this->encodeParamName( $paramName );
|
|
|
|
if ( !is_array( $paramSettings ) ) {
|
|
$default = $paramSettings;
|
|
$multi = false;
|
|
$type = gettype( $paramSettings );
|
|
$dupes = false;
|
|
$deprecated = false;
|
|
$required = false;
|
|
} else {
|
|
$default = isset( $paramSettings[self::PARAM_DFLT] ) ? $paramSettings[self::PARAM_DFLT] : null;
|
|
$multi = isset( $paramSettings[self::PARAM_ISMULTI] ) ? $paramSettings[self::PARAM_ISMULTI] : false;
|
|
$type = isset( $paramSettings[self::PARAM_TYPE] ) ? $paramSettings[self::PARAM_TYPE] : null;
|
|
$dupes = isset( $paramSettings[self::PARAM_ALLOW_DUPLICATES] ) ? $paramSettings[self::PARAM_ALLOW_DUPLICATES] : false;
|
|
$deprecated = isset( $paramSettings[self::PARAM_DEPRECATED] ) ? $paramSettings[self::PARAM_DEPRECATED] : false;
|
|
$required = isset( $paramSettings[self::PARAM_REQUIRED] ) ? $paramSettings[self::PARAM_REQUIRED] : false;
|
|
|
|
// When type is not given, and no choices, the type is the same as $default
|
|
if ( !isset( $type ) ) {
|
|
if ( isset( $default ) ) {
|
|
$type = gettype( $default );
|
|
} else {
|
|
$type = 'NULL'; // allow everything
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $type == 'boolean' ) {
|
|
if ( isset( $default ) && $default !== false ) {
|
|
// Having a default value of anything other than 'false' is pointless
|
|
ApiBase::dieDebug( __METHOD__, "Boolean param $encParamName's default is set to '$default'" );
|
|
}
|
|
|
|
$value = $this->getRequest()->getCheck( $encParamName );
|
|
} else {
|
|
$value = $this->getRequest()->getVal( $encParamName, $default );
|
|
|
|
if ( isset( $value ) && $type == 'namespace' ) {
|
|
$type = MWNamespace::getValidNamespaces();
|
|
}
|
|
}
|
|
|
|
if ( isset( $value ) && ( $multi || is_array( $type ) ) ) {
|
|
$value = $this->parseMultiValue( $encParamName, $value, $multi, is_array( $type ) ? $type : null );
|
|
}
|
|
|
|
// More validation only when choices were not given
|
|
// choices were validated in parseMultiValue()
|
|
if ( isset( $value ) ) {
|
|
if ( !is_array( $type ) ) {
|
|
switch ( $type ) {
|
|
case 'NULL': // nothing to do
|
|
break;
|
|
case 'string':
|
|
if ( $required && $value === '' ) {
|
|
$this->dieUsageMsg( array( 'missingparam', $paramName ) );
|
|
}
|
|
|
|
break;
|
|
case 'integer': // Force everything using intval() and optionally validate limits
|
|
$min = isset ( $paramSettings[self::PARAM_MIN] ) ? $paramSettings[self::PARAM_MIN] : null;
|
|
$max = isset ( $paramSettings[self::PARAM_MAX] ) ? $paramSettings[self::PARAM_MAX] : null;
|
|
$enforceLimits = isset ( $paramSettings[self::PARAM_RANGE_ENFORCE] )
|
|
? $paramSettings[self::PARAM_RANGE_ENFORCE] : false;
|
|
|
|
if ( is_array( $value ) ) {
|
|
$value = array_map( 'intval', $value );
|
|
if ( !is_null( $min ) || !is_null( $max ) ) {
|
|
foreach ( $value as &$v ) {
|
|
$this->validateLimit( $paramName, $v, $min, $max, null, $enforceLimits );
|
|
}
|
|
}
|
|
} else {
|
|
$value = intval( $value );
|
|
if ( !is_null( $min ) || !is_null( $max ) ) {
|
|
$this->validateLimit( $paramName, $value, $min, $max, null, $enforceLimits );
|
|
}
|
|
}
|
|
break;
|
|
case 'limit':
|
|
if ( !$parseLimit ) {
|
|
// Don't do any validation whatsoever
|
|
break;
|
|
}
|
|
if ( !isset( $paramSettings[self::PARAM_MAX] ) || !isset( $paramSettings[self::PARAM_MAX2] ) ) {
|
|
ApiBase::dieDebug( __METHOD__, "MAX1 or MAX2 are not defined for the limit $encParamName" );
|
|
}
|
|
if ( $multi ) {
|
|
ApiBase::dieDebug( __METHOD__, "Multi-values not supported for $encParamName" );
|
|
}
|
|
$min = isset( $paramSettings[self::PARAM_MIN] ) ? $paramSettings[self::PARAM_MIN] : 0;
|
|
if ( $value == 'max' ) {
|
|
$value = $this->getMain()->canApiHighLimits() ? $paramSettings[self::PARAM_MAX2] : $paramSettings[self::PARAM_MAX];
|
|
$this->getResult()->setParsedLimit( $this->getModuleName(), $value );
|
|
} else {
|
|
$value = intval( $value );
|
|
$this->validateLimit( $paramName, $value, $min, $paramSettings[self::PARAM_MAX], $paramSettings[self::PARAM_MAX2] );
|
|
}
|
|
break;
|
|
case 'boolean':
|
|
if ( $multi ) {
|
|
ApiBase::dieDebug( __METHOD__, "Multi-values not supported for $encParamName" );
|
|
}
|
|
break;
|
|
case 'timestamp':
|
|
if ( is_array( $value ) ) {
|
|
foreach ( $value as $key => $val ) {
|
|
$value[$key] = $this->validateTimestamp( $val, $encParamName );
|
|
}
|
|
} else {
|
|
$value = $this->validateTimestamp( $value, $encParamName );
|
|
}
|
|
break;
|
|
case 'user':
|
|
if ( !is_array( $value ) ) {
|
|
$value = array( $value );
|
|
}
|
|
|
|
foreach ( $value as $key => $val ) {
|
|
$title = Title::makeTitleSafe( NS_USER, $val );
|
|
if ( is_null( $title ) ) {
|
|
$this->dieUsage( "Invalid value for user parameter $encParamName", "baduser_{$encParamName}" );
|
|
}
|
|
$value[$key] = $title->getText();
|
|
}
|
|
|
|
if ( !$multi ) {
|
|
$value = $value[0];
|
|
}
|
|
break;
|
|
default:
|
|
ApiBase::dieDebug( __METHOD__, "Param $encParamName's type is unknown - $type" );
|
|
}
|
|
}
|
|
|
|
// Throw out duplicates if requested
|
|
if ( is_array( $value ) && !$dupes ) {
|
|
$value = array_unique( $value );
|
|
}
|
|
|
|
// Set a warning if a deprecated parameter has been passed
|
|
if ( $deprecated && $value !== false ) {
|
|
$this->setWarning( "The $encParamName parameter has been deprecated." );
|
|
}
|
|
} elseif ( $required ) {
|
|
$this->dieUsageMsg( array( 'missingparam', $paramName ) );
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Return an array of values that were given in a 'a|b|c' notation,
|
|
* after it optionally validates them against the list allowed values.
|
|
*
|
|
* @param $valueName string The name of the parameter (for error
|
|
* reporting)
|
|
* @param $value mixed The value being parsed
|
|
* @param $allowMultiple bool Can $value contain more than one value
|
|
* separated by '|'?
|
|
* @param $allowedValues mixed An array of values to check against. If
|
|
* null, all values are accepted.
|
|
* @return mixed (allowMultiple ? an_array_of_values : a_single_value)
|
|
*/
|
|
protected function parseMultiValue( $valueName, $value, $allowMultiple, $allowedValues ) {
|
|
if ( trim( $value ) === '' && $allowMultiple ) {
|
|
return array();
|
|
}
|
|
|
|
// This is a bit awkward, but we want to avoid calling canApiHighLimits() because it unstubs $wgUser
|
|
$valuesList = explode( '|', $value, self::LIMIT_SML2 + 1 );
|
|
$sizeLimit = count( $valuesList ) > self::LIMIT_SML1 && $this->mMainModule->canApiHighLimits() ?
|
|
self::LIMIT_SML2 : self::LIMIT_SML1;
|
|
|
|
if ( self::truncateArray( $valuesList, $sizeLimit ) ) {
|
|
$this->setWarning( "Too many values supplied for parameter '$valueName': the limit is $sizeLimit" );
|
|
}
|
|
|
|
if ( !$allowMultiple && count( $valuesList ) != 1 ) {
|
|
// Bug 33482 - Allow entries with | in them for non-multiple values
|
|
if ( in_array( $value, $allowedValues ) ) {
|
|
return $value;
|
|
}
|
|
|
|
$possibleValues = is_array( $allowedValues ) ? "of '" . implode( "', '", $allowedValues ) . "'" : '';
|
|
$this->dieUsage( "Only one $possibleValues is allowed for parameter '$valueName'", "multival_$valueName" );
|
|
}
|
|
|
|
if ( is_array( $allowedValues ) ) {
|
|
// Check for unknown values
|
|
$unknown = array_diff( $valuesList, $allowedValues );
|
|
if ( count( $unknown ) ) {
|
|
if ( $allowMultiple ) {
|
|
$s = count( $unknown ) > 1 ? 's' : '';
|
|
$vals = implode( ", ", $unknown );
|
|
$this->setWarning( "Unrecognized value$s for parameter '$valueName': $vals" );
|
|
} else {
|
|
$this->dieUsage( "Unrecognized value for parameter '$valueName': {$valuesList[0]}", "unknown_$valueName" );
|
|
}
|
|
}
|
|
// Now throw them out
|
|
$valuesList = array_intersect( $valuesList, $allowedValues );
|
|
}
|
|
|
|
return $allowMultiple ? $valuesList : $valuesList[0];
|
|
}
|
|
|
|
/**
|
|
* Validate the value against the minimum and user/bot maximum limits.
|
|
* Prints usage info on failure.
|
|
* @param $paramName string Parameter name
|
|
* @param $value int Parameter value
|
|
* @param $min int|null Minimum value
|
|
* @param $max int|null Maximum value for users
|
|
* @param $botMax int Maximum value for sysops/bots
|
|
* @param $enforceLimits Boolean Whether to enforce (die) if value is outside limits
|
|
*/
|
|
function validateLimit( $paramName, &$value, $min, $max, $botMax = null, $enforceLimits = false ) {
|
|
if ( !is_null( $min ) && $value < $min ) {
|
|
|
|
$msg = $this->encodeParamName( $paramName ) . " may not be less than $min (set to $value)";
|
|
$this->warnOrDie( $msg, $enforceLimits );
|
|
$value = $min;
|
|
}
|
|
|
|
// Minimum is always validated, whereas maximum is checked only if not running in internal call mode
|
|
if ( $this->getMain()->isInternalMode() ) {
|
|
return;
|
|
}
|
|
|
|
// Optimization: do not check user's bot status unless really needed -- skips db query
|
|
// assumes $botMax >= $max
|
|
if ( !is_null( $max ) && $value > $max ) {
|
|
if ( !is_null( $botMax ) && $this->getMain()->canApiHighLimits() ) {
|
|
if ( $value > $botMax ) {
|
|
$msg = $this->encodeParamName( $paramName ) . " may not be over $botMax (set to $value) for bots or sysops";
|
|
$this->warnOrDie( $msg, $enforceLimits );
|
|
$value = $botMax;
|
|
}
|
|
} else {
|
|
$msg = $this->encodeParamName( $paramName ) . " may not be over $max (set to $value) for users";
|
|
$this->warnOrDie( $msg, $enforceLimits );
|
|
$value = $max;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param $value string
|
|
* @param $paramName string
|
|
* @return string
|
|
*/
|
|
function validateTimestamp( $value, $paramName ) {
|
|
$value = wfTimestamp( TS_UNIX, $value );
|
|
if ( $value === 0 ) {
|
|
$this->dieUsage( "Invalid value '$value' for timestamp parameter $paramName", "badtimestamp_{$paramName}" );
|
|
}
|
|
return wfTimestamp( TS_MW, $value );
|
|
}
|
|
|
|
/**
|
|
* Adds a warning to the output, else dies
|
|
*
|
|
* @param $msg String Message to show as a warning, or error message if dying
|
|
* @param $enforceLimits Boolean Whether this is an enforce (die)
|
|
*/
|
|
private function warnOrDie( $msg, $enforceLimits = false ) {
|
|
if ( $enforceLimits ) {
|
|
$this->dieUsage( $msg, 'integeroutofrange' );
|
|
} else {
|
|
$this->setWarning( $msg );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Truncate an array to a certain length.
|
|
* @param $arr array Array to truncate
|
|
* @param $limit int Maximum length
|
|
* @return bool True if the array was truncated, false otherwise
|
|
*/
|
|
public static function truncateArray( &$arr, $limit ) {
|
|
$modified = false;
|
|
while ( count( $arr ) > $limit ) {
|
|
array_pop( $arr );
|
|
$modified = true;
|
|
}
|
|
return $modified;
|
|
}
|
|
|
|
/**
|
|
* Throw a UsageException, which will (if uncaught) call the main module's
|
|
* error handler and die with an error message.
|
|
*
|
|
* @param $description string One-line human-readable description of the
|
|
* error condition, e.g., "The API requires a valid action parameter"
|
|
* @param $errorCode string Brief, arbitrary, stable string to allow easy
|
|
* automated identification of the error, e.g., 'unknown_action'
|
|
* @param $httpRespCode int HTTP response code
|
|
* @param $extradata array Data to add to the <error> element; array in ApiResult format
|
|
*/
|
|
public function dieUsage( $description, $errorCode, $httpRespCode = 0, $extradata = null ) {
|
|
Profiler::instance()->close();
|
|
throw new UsageException( $description, $this->encodeParamName( $errorCode ), $httpRespCode, $extradata );
|
|
}
|
|
|
|
/**
|
|
* Array that maps message keys to error messages. $1 and friends are replaced.
|
|
*/
|
|
public static $messageMap = array(
|
|
// This one MUST be present, or dieUsageMsg() will recurse infinitely
|
|
'unknownerror' => array( 'code' => 'unknownerror', 'info' => "Unknown error: \"\$1\"" ),
|
|
'unknownerror-nocode' => array( 'code' => 'unknownerror', 'info' => 'Unknown error' ),
|
|
|
|
// Messages from Title::getUserPermissionsErrors()
|
|
'ns-specialprotected' => array( 'code' => 'unsupportednamespace', 'info' => "Pages in the Special namespace can't be edited" ),
|
|
'protectedinterface' => array( 'code' => 'protectednamespace-interface', 'info' => "You're not allowed to edit interface messages" ),
|
|
'namespaceprotected' => array( 'code' => 'protectednamespace', 'info' => "You're not allowed to edit pages in the \"\$1\" namespace" ),
|
|
'customcssprotected' => array( 'code' => 'customcssprotected', 'info' => "You're not allowed to edit custom CSS pages" ),
|
|
'customjsprotected' => array( 'code' => 'customjsprotected', 'info' => "You're not allowed to edit custom JavaScript pages" ),
|
|
'cascadeprotected' => array( 'code' => 'cascadeprotected', 'info' => "The page you're trying to edit is protected because it's included in a cascade-protected page" ),
|
|
'protectedpagetext' => array( 'code' => 'protectedpage', 'info' => "The \"\$1\" right is required to edit this page" ),
|
|
'protect-cantedit' => array( 'code' => 'cantedit', 'info' => "You can't protect this page because you can't edit it" ),
|
|
'badaccess-group0' => array( 'code' => 'permissiondenied', 'info' => "Permission denied" ), // Generic permission denied message
|
|
'badaccess-groups' => array( 'code' => 'permissiondenied', 'info' => "Permission denied" ),
|
|
'titleprotected' => array( 'code' => 'protectedtitle', 'info' => "This title has been protected from creation" ),
|
|
'nocreate-loggedin' => array( 'code' => 'cantcreate', 'info' => "You don't have permission to create new pages" ),
|
|
'nocreatetext' => array( 'code' => 'cantcreate-anon', 'info' => "Anonymous users can't create new pages" ),
|
|
'movenologintext' => array( 'code' => 'cantmove-anon', 'info' => "Anonymous users can't move pages" ),
|
|
'movenotallowed' => array( 'code' => 'cantmove', 'info' => "You don't have permission to move pages" ),
|
|
'confirmedittext' => array( 'code' => 'confirmemail', 'info' => "You must confirm your e-mail address before you can edit" ),
|
|
'blockedtext' => array( 'code' => 'blocked', 'info' => "You have been blocked from editing" ),
|
|
'autoblockedtext' => array( 'code' => 'autoblocked', 'info' => "Your IP address has been blocked automatically, because it was used by a blocked user" ),
|
|
|
|
// Miscellaneous interface messages
|
|
'actionthrottledtext' => array( 'code' => 'ratelimited', 'info' => "You've exceeded your rate limit. Please wait some time and try again" ),
|
|
'alreadyrolled' => array( 'code' => 'alreadyrolled', 'info' => "The page you tried to rollback was already rolled back" ),
|
|
'cantrollback' => array( 'code' => 'onlyauthor', 'info' => "The page you tried to rollback only has one author" ),
|
|
'readonlytext' => array( 'code' => 'readonly', 'info' => "The wiki is currently in read-only mode" ),
|
|
'sessionfailure' => array( 'code' => 'badtoken', 'info' => "Invalid token" ),
|
|
'cannotdelete' => array( 'code' => 'cantdelete', 'info' => "Couldn't delete \"\$1\". Maybe it was deleted already by someone else" ),
|
|
'notanarticle' => array( 'code' => 'missingtitle', 'info' => "The page you requested doesn't exist" ),
|
|
'selfmove' => array( 'code' => 'selfmove', 'info' => "Can't move a page to itself" ),
|
|
'immobile_namespace' => array( 'code' => 'immobilenamespace', 'info' => "You tried to move pages from or to a namespace that is protected from moving" ),
|
|
'articleexists' => array( 'code' => 'articleexists', 'info' => "The destination article already exists and is not a redirect to the source article" ),
|
|
'protectedpage' => array( 'code' => 'protectedpage', 'info' => "You don't have permission to perform this move" ),
|
|
'hookaborted' => array( 'code' => 'hookaborted', 'info' => "The modification you tried to make was aborted by an extension hook" ),
|
|
'cantmove-titleprotected' => array( 'code' => 'protectedtitle', 'info' => "The destination article has been protected from creation" ),
|
|
'imagenocrossnamespace' => array( 'code' => 'nonfilenamespace', 'info' => "Can't move a file to a non-file namespace" ),
|
|
'imagetypemismatch' => array( 'code' => 'filetypemismatch', 'info' => "The new file extension doesn't match its type" ),
|
|
// 'badarticleerror' => shouldn't happen
|
|
// 'badtitletext' => shouldn't happen
|
|
'ip_range_invalid' => array( 'code' => 'invalidrange', 'info' => "Invalid IP range" ),
|
|
'range_block_disabled' => array( 'code' => 'rangedisabled', 'info' => "Blocking IP ranges has been disabled" ),
|
|
'nosuchusershort' => array( 'code' => 'nosuchuser', 'info' => "The user you specified doesn't exist" ),
|
|
'badipaddress' => array( 'code' => 'invalidip', 'info' => "Invalid IP address specified" ),
|
|
'ipb_expiry_invalid' => array( 'code' => 'invalidexpiry', 'info' => "Invalid expiry time" ),
|
|
'ipb_already_blocked' => array( 'code' => 'alreadyblocked', 'info' => "The user you tried to block was already blocked" ),
|
|
'ipb_blocked_as_range' => array( 'code' => 'blockedasrange', 'info' => "IP address \"\$1\" was blocked as part of range \"\$2\". You can't unblock the IP invidually, but you can unblock the range as a whole." ),
|
|
'ipb_cant_unblock' => array( 'code' => 'cantunblock', 'info' => "The block you specified was not found. It may have been unblocked already" ),
|
|
'mailnologin' => array( 'code' => 'cantsend', 'info' => "You are not logged in, you do not have a confirmed e-mail address, or you are not allowed to send e-mail to other users, so you cannot send e-mail" ),
|
|
'ipbblocked' => array( 'code' => 'ipbblocked', 'info' => 'You cannot block or unblock users while you are yourself blocked' ),
|
|
'ipbnounblockself' => array( 'code' => 'ipbnounblockself', 'info' => 'You are not allowed to unblock yourself' ),
|
|
'usermaildisabled' => array( 'code' => 'usermaildisabled', 'info' => "User email has been disabled" ),
|
|
'blockedemailuser' => array( 'code' => 'blockedfrommail', 'info' => "You have been blocked from sending e-mail" ),
|
|
'notarget' => array( 'code' => 'notarget', 'info' => "You have not specified a valid target for this action" ),
|
|
'noemail' => array( 'code' => 'noemail', 'info' => "The user has not specified a valid e-mail address, or has chosen not to receive e-mail from other users" ),
|
|
'rcpatroldisabled' => array( 'code' => 'patroldisabled', 'info' => "Patrolling is disabled on this wiki" ),
|
|
'markedaspatrollederror-noautopatrol' => array( 'code' => 'noautopatrol', 'info' => "You don't have permission to patrol your own changes" ),
|
|
'delete-toobig' => array( 'code' => 'bigdelete', 'info' => "You can't delete this page because it has more than \$1 revisions" ),
|
|
'movenotallowedfile' => array( 'code' => 'cantmovefile', 'info' => "You don't have permission to move files" ),
|
|
'userrights-no-interwiki' => array( 'code' => 'nointerwikiuserrights', 'info' => "You don't have permission to change user rights on other wikis" ),
|
|
'userrights-nodatabase' => array( 'code' => 'nosuchdatabase', 'info' => "Database \"\$1\" does not exist or is not local" ),
|
|
'nouserspecified' => array( 'code' => 'invaliduser', 'info' => "Invalid username \"\$1\"" ),
|
|
'noname' => array( 'code' => 'invaliduser', 'info' => "Invalid username \"\$1\"" ),
|
|
'summaryrequired' => array( 'code' => 'summaryrequired', 'info' => 'Summary required' ),
|
|
|
|
// API-specific messages
|
|
'readrequired' => array( 'code' => 'readapidenied', 'info' => "You need read permission to use this module" ),
|
|
'writedisabled' => array( 'code' => 'noapiwrite', 'info' => "Editing of this wiki through the API is disabled. Make sure the \$wgEnableWriteAPI=true; statement is included in the wiki's LocalSettings.php file" ),
|
|
'writerequired' => array( 'code' => 'writeapidenied', 'info' => "You're not allowed to edit this wiki through the API" ),
|
|
'missingparam' => array( 'code' => 'no$1', 'info' => "The \$1 parameter must be set" ),
|
|
'invalidtitle' => array( 'code' => 'invalidtitle', 'info' => "Bad title \"\$1\"" ),
|
|
'nosuchpageid' => array( 'code' => 'nosuchpageid', 'info' => "There is no page with ID \$1" ),
|
|
'nosuchrevid' => array( 'code' => 'nosuchrevid', 'info' => "There is no revision with ID \$1" ),
|
|
'nosuchuser' => array( 'code' => 'nosuchuser', 'info' => "User \"\$1\" doesn't exist" ),
|
|
'invaliduser' => array( 'code' => 'invaliduser', 'info' => "Invalid username \"\$1\"" ),
|
|
'invalidexpiry' => array( 'code' => 'invalidexpiry', 'info' => "Invalid expiry time \"\$1\"" ),
|
|
'pastexpiry' => array( 'code' => 'pastexpiry', 'info' => "Expiry time \"\$1\" is in the past" ),
|
|
'create-titleexists' => array( 'code' => 'create-titleexists', 'info' => "Existing titles can't be protected with 'create'" ),
|
|
'missingtitle-createonly' => array( 'code' => 'missingtitle-createonly', 'info' => "Missing titles can only be protected with 'create'" ),
|
|
'cantblock' => array( 'code' => 'cantblock', 'info' => "You don't have permission to block users" ),
|
|
'canthide' => array( 'code' => 'canthide', 'info' => "You don't have permission to hide user names from the block log" ),
|
|
'cantblock-email' => array( 'code' => 'cantblock-email', 'info' => "You don't have permission to block users from sending e-mail through the wiki" ),
|
|
'unblock-notarget' => array( 'code' => 'notarget', 'info' => "Either the id or the user parameter must be set" ),
|
|
'unblock-idanduser' => array( 'code' => 'idanduser', 'info' => "The id and user parameters can't be used together" ),
|
|
'cantunblock' => array( 'code' => 'permissiondenied', 'info' => "You don't have permission to unblock users" ),
|
|
'cannotundelete' => array( 'code' => 'cantundelete', 'info' => "Couldn't undelete: the requested revisions may not exist, or may have been undeleted already" ),
|
|
'permdenied-undelete' => array( 'code' => 'permissiondenied', 'info' => "You don't have permission to restore deleted revisions" ),
|
|
'createonly-exists' => array( 'code' => 'articleexists', 'info' => "The article you tried to create has been created already" ),
|
|
'nocreate-missing' => array( 'code' => 'missingtitle', 'info' => "The article you tried to edit doesn't exist" ),
|
|
'nosuchrcid' => array( 'code' => 'nosuchrcid', 'info' => "There is no change with rcid \"\$1\"" ),
|
|
'protect-invalidaction' => array( 'code' => 'protect-invalidaction', 'info' => "Invalid protection type \"\$1\"" ),
|
|
'protect-invalidlevel' => array( 'code' => 'protect-invalidlevel', 'info' => "Invalid protection level \"\$1\"" ),
|
|
'toofewexpiries' => array( 'code' => 'toofewexpiries', 'info' => "\$1 expiry timestamps were provided where \$2 were needed" ),
|
|
'cantimport' => array( 'code' => 'cantimport', 'info' => "You don't have permission to import pages" ),
|
|
'cantimport-upload' => array( 'code' => 'cantimport-upload', 'info' => "You don't have permission to import uploaded pages" ),
|
|
'nouploadmodule' => array( 'code' => 'nomodule', 'info' => 'No upload module set' ),
|
|
'importnofile' => array( 'code' => 'nofile', 'info' => "You didn't upload a file" ),
|
|
'importuploaderrorsize' => array( 'code' => 'filetoobig', 'info' => 'The file you uploaded is bigger than the maximum upload size' ),
|
|
'importuploaderrorpartial' => array( 'code' => 'partialupload', 'info' => 'The file was only partially uploaded' ),
|
|
'importuploaderrortemp' => array( 'code' => 'notempdir', 'info' => 'The temporary upload directory is missing' ),
|
|
'importcantopen' => array( 'code' => 'cantopenfile', 'info' => "Couldn't open the uploaded file" ),
|
|
'import-noarticle' => array( 'code' => 'badinterwiki', 'info' => 'Invalid interwiki title specified' ),
|
|
'importbadinterwiki' => array( 'code' => 'badinterwiki', 'info' => 'Invalid interwiki title specified' ),
|
|
'import-unknownerror' => array( 'code' => 'import-unknownerror', 'info' => "Unknown error on import: \"\$1\"" ),
|
|
'cantoverwrite-sharedfile' => array( 'code' => 'cantoverwrite-sharedfile', 'info' => 'The target file exists on a shared repository and you do not have permission to override it' ),
|
|
'sharedfile-exists' => array( 'code' => 'fileexists-sharedrepo-perm', 'info' => 'The target file exists on a shared repository. Use the ignorewarnings parameter to override it.' ),
|
|
'mustbeposted' => array( 'code' => 'mustbeposted', 'info' => "The \$1 module requires a POST request" ),
|
|
'show' => array( 'code' => 'show', 'info' => 'Incorrect parameter - mutually exclusive values may not be supplied' ),
|
|
'specialpage-cantexecute' => array( 'code' => 'specialpage-cantexecute', 'info' => "You don't have permission to view the results of this special page" ),
|
|
'invalidoldimage' => array( 'code' => 'invalidoldimage', 'info' => 'The oldimage parameter has invalid format' ),
|
|
'nodeleteablefile' => array( 'code' => 'nodeleteablefile', 'info' => 'No such old version of the file' ),
|
|
|
|
// ApiEditPage messages
|
|
'noimageredirect-anon' => array( 'code' => 'noimageredirect-anon', 'info' => "Anonymous users can't create image redirects" ),
|
|
'noimageredirect-logged' => array( 'code' => 'noimageredirect', 'info' => "You don't have permission to create image redirects" ),
|
|
'spamdetected' => array( 'code' => 'spamdetected', 'info' => "Your edit was refused because it contained a spam fragment: \"\$1\"" ),
|
|
'filtered' => array( 'code' => 'filtered', 'info' => "The filter callback function refused your edit" ),
|
|
'contenttoobig' => array( 'code' => 'contenttoobig', 'info' => "The content you supplied exceeds the article size limit of \$1 kilobytes" ),
|
|
'noedit-anon' => array( 'code' => 'noedit-anon', 'info' => "Anonymous users can't edit pages" ),
|
|
'noedit' => array( 'code' => 'noedit', 'info' => "You don't have permission to edit pages" ),
|
|
'wasdeleted' => array( 'code' => 'pagedeleted', 'info' => "The page has been deleted since you fetched its timestamp" ),
|
|
'blankpage' => array( 'code' => 'emptypage', 'info' => "Creating new, empty pages is not allowed" ),
|
|
'editconflict' => array( 'code' => 'editconflict', 'info' => "Edit conflict detected" ),
|
|
'hashcheckfailed' => array( 'code' => 'badmd5', 'info' => "The supplied MD5 hash was incorrect" ),
|
|
'missingtext' => array( 'code' => 'notext', 'info' => "One of the text, appendtext, prependtext and undo parameters must be set" ),
|
|
'emptynewsection' => array( 'code' => 'emptynewsection', 'info' => 'Creating empty new sections is not possible.' ),
|
|
'revwrongpage' => array( 'code' => 'revwrongpage', 'info' => "r\$1 is not a revision of \"\$2\"" ),
|
|
'undo-failure' => array( 'code' => 'undofailure', 'info' => 'Undo failed due to conflicting intermediate edits' ),
|
|
|
|
// Messages from WikiPage::doEit()
|
|
'edit-hook-aborted' => array( 'code' => 'edit-hook-aborted', 'info' => "Your edit was aborted by an ArticleSave hook" ),
|
|
'edit-gone-missing' => array( 'code' => 'edit-gone-missing', 'info' => "The page you tried to edit doesn't seem to exist anymore" ),
|
|
'edit-conflict' => array( 'code' => 'editconflict', 'info' => "Edit conflict detected" ),
|
|
'edit-already-exists' => array( 'code' => 'edit-already-exists', 'info' => "It seems the page you tried to create already exist" ),
|
|
|
|
// uploadMsgs
|
|
'invalid-session-key' => array( 'code' => 'invalid-session-key', 'info' => 'Not a valid session key' ),
|
|
'nouploadmodule' => array( 'code' => 'nouploadmodule', 'info' => 'No upload module set' ),
|
|
'uploaddisabled' => array( 'code' => 'uploaddisabled', 'info' => 'Uploads are not enabled. Make sure $wgEnableUploads is set to true in LocalSettings.php and the PHP ini setting file_uploads is true' ),
|
|
'copyuploaddisabled' => array( 'code' => 'copyuploaddisabled', 'info' => 'Uploads by URL is not enabled. Make sure $wgAllowCopyUploads is set to true in LocalSettings.php.' ),
|
|
'copyuploadbaddomain' => array( 'code' => 'copyuploadbaddomain', 'info' => 'Uploads by URL are not allowed from this domain.' ),
|
|
|
|
'filename-tooshort' => array( 'code' => 'filename-tooshort', 'info' => 'The filename is too short' ),
|
|
'filename-toolong' => array( 'code' => 'filename-toolong', 'info' => 'The filename is too long' ),
|
|
'illegal-filename' => array( 'code' => 'illegal-filename', 'info' => 'The filename is not allowed' ),
|
|
'filetype-missing' => array( 'code' => 'filetype-missing', 'info' => 'The file is missing an extension' ),
|
|
|
|
'mustbeloggedin' => array( 'code' => 'mustbeloggedin', 'info' => 'You must be logged in to $1.' )
|
|
);
|
|
|
|
/**
|
|
* Helper function for readonly errors
|
|
*/
|
|
public function dieReadOnly() {
|
|
$parsed = $this->parseMsg( array( 'readonlytext' ) );
|
|
$this->dieUsage( $parsed['info'], $parsed['code'], /* http error */ 0,
|
|
array( 'readonlyreason' => wfReadOnlyReason() ) );
|
|
}
|
|
|
|
/**
|
|
* Output the error message related to a certain array
|
|
* @param $error (array|string) Element of a getUserPermissionsErrors()-style array
|
|
*/
|
|
public function dieUsageMsg( $error ) {
|
|
# most of the time we send a 1 element, so we might as well send it as
|
|
# a string and make this an array here.
|
|
if( is_string( $error ) ) {
|
|
$error = array( $error );
|
|
}
|
|
$parsed = $this->parseMsg( $error );
|
|
$this->dieUsage( $parsed['info'], $parsed['code'] );
|
|
}
|
|
|
|
/**
|
|
* Return the error message related to a certain array
|
|
* @param $error array Element of a getUserPermissionsErrors()-style array
|
|
* @return array('code' => code, 'info' => info)
|
|
*/
|
|
public function parseMsg( $error ) {
|
|
$key = array_shift( $error );
|
|
|
|
// Check whether the error array was nested
|
|
// array( array( <code>, <params> ), array( <another_code>, <params> ) )
|
|
if( is_array( $key ) ){
|
|
$error = $key;
|
|
$key = array_shift( $error );
|
|
}
|
|
|
|
if ( isset( self::$messageMap[$key] ) ) {
|
|
return array( 'code' =>
|
|
wfMsgReplaceArgs( self::$messageMap[$key]['code'], $error ),
|
|
'info' =>
|
|
wfMsgReplaceArgs( self::$messageMap[$key]['info'], $error )
|
|
);
|
|
}
|
|
|
|
// If the key isn't present, throw an "unknown error"
|
|
return $this->parseMsg( array( 'unknownerror', $key ) );
|
|
}
|
|
|
|
/**
|
|
* Internal code errors should be reported with this method
|
|
* @param $method string Method or function name
|
|
* @param $message string Error message
|
|
*/
|
|
protected static function dieDebug( $method, $message ) {
|
|
wfDebugDieBacktrace( "Internal error in $method: $message" );
|
|
}
|
|
|
|
/**
|
|
* Indicates if this module needs maxlag to be checked
|
|
* @return bool
|
|
*/
|
|
public function shouldCheckMaxlag() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Indicates whether this module requires read rights
|
|
* @return bool
|
|
*/
|
|
public function isReadMode() {
|
|
return true;
|
|
}
|
|
/**
|
|
* Indicates whether this module requires write mode
|
|
* @return bool
|
|
*/
|
|
public function isWriteMode() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Indicates whether this module must be called with a POST request
|
|
* @return bool
|
|
*/
|
|
public function mustBePosted() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns whether this module requires a Token to execute
|
|
* @return bool
|
|
*/
|
|
public function needsToken() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the token salt if there is one, '' if the module doesn't require a salt, else false if the module doesn't need a token
|
|
* @return bool|string
|
|
*/
|
|
public function getTokenSalt() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets the user for whom to get the watchlist
|
|
*
|
|
* @param $params array
|
|
* @return User
|
|
*/
|
|
public function getWatchlistUser( $params ) {
|
|
if ( !is_null( $params['owner'] ) && !is_null( $params['token'] ) ) {
|
|
$user = User::newFromName( $params['owner'], false );
|
|
if ( !($user && $user->getId()) ) {
|
|
$this->dieUsage( 'Specified user does not exist', 'bad_wlowner' );
|
|
}
|
|
$token = $user->getOption( 'watchlisttoken' );
|
|
if ( $token == '' || $token != $params['token'] ) {
|
|
$this->dieUsage( 'Incorrect watchlist token provided -- please set a correct token in Special:Preferences', 'bad_wltoken' );
|
|
}
|
|
} else {
|
|
if ( !$this->getUser()->isLoggedIn() ) {
|
|
$this->dieUsage( 'You must be logged-in to have a watchlist', 'notloggedin' );
|
|
}
|
|
$user = $this->getUser();
|
|
}
|
|
return $user;
|
|
}
|
|
|
|
/**
|
|
* @return bool|string|array Returns a false if the module has no help url, else returns a (array of) string
|
|
*/
|
|
public function getHelpUrls() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns a list of all possible errors returned by the module
|
|
* @return array in the format of array( key, param1, param2, ... ) or array( 'code' => ..., 'info' => ... )
|
|
*/
|
|
public function getPossibleErrors() {
|
|
$ret = array();
|
|
|
|
$params = $this->getFinalParams();
|
|
if ( $params ) {
|
|
foreach ( $params as $paramName => $paramSettings ) {
|
|
if ( isset( $paramSettings[ApiBase::PARAM_REQUIRED] ) ) {
|
|
$ret[] = array( 'missingparam', $paramName );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $this->mustBePosted() ) {
|
|
$ret[] = array( 'mustbeposted', $this->getModuleName() );
|
|
}
|
|
|
|
if ( $this->isReadMode() ) {
|
|
$ret[] = array( 'readrequired' );
|
|
}
|
|
|
|
if ( $this->isWriteMode() ) {
|
|
$ret[] = array( 'writerequired' );
|
|
$ret[] = array( 'writedisabled' );
|
|
}
|
|
|
|
if ( $this->needsToken() ) {
|
|
$ret[] = array( 'missingparam', 'token' );
|
|
$ret[] = array( 'sessionfailure' );
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Parses a list of errors into a standardised format
|
|
* @param $errors array List of errors. Items can be in the for array( key, param1, param2, ... ) or array( 'code' => ..., 'info' => ... )
|
|
* @return array Parsed list of errors with items in the form array( 'code' => ..., 'info' => ... )
|
|
*/
|
|
public function parseErrors( $errors ) {
|
|
$ret = array();
|
|
|
|
foreach ( $errors as $row ) {
|
|
if ( isset( $row['code'] ) && isset( $row['info'] ) ) {
|
|
$ret[] = $row;
|
|
} else {
|
|
$ret[] = $this->parseMsg( $row );
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Profiling: total module execution time
|
|
*/
|
|
private $mTimeIn = 0, $mModuleTime = 0;
|
|
|
|
/**
|
|
* Start module profiling
|
|
*/
|
|
public function profileIn() {
|
|
if ( $this->mTimeIn !== 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'called twice without calling profileOut()' );
|
|
}
|
|
$this->mTimeIn = microtime( true );
|
|
wfProfileIn( $this->getModuleProfileName() );
|
|
}
|
|
|
|
/**
|
|
* End module profiling
|
|
*/
|
|
public function profileOut() {
|
|
if ( $this->mTimeIn === 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'called without calling profileIn() first' );
|
|
}
|
|
if ( $this->mDBTimeIn !== 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'must be called after database profiling is done with profileDBOut()' );
|
|
}
|
|
|
|
$this->mModuleTime += microtime( true ) - $this->mTimeIn;
|
|
$this->mTimeIn = 0;
|
|
wfProfileOut( $this->getModuleProfileName() );
|
|
}
|
|
|
|
/**
|
|
* When modules crash, sometimes it is needed to do a profileOut() regardless
|
|
* of the profiling state the module was in. This method does such cleanup.
|
|
*/
|
|
public function safeProfileOut() {
|
|
if ( $this->mTimeIn !== 0 ) {
|
|
if ( $this->mDBTimeIn !== 0 ) {
|
|
$this->profileDBOut();
|
|
}
|
|
$this->profileOut();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Total time the module was executed
|
|
* @return float
|
|
*/
|
|
public function getProfileTime() {
|
|
if ( $this->mTimeIn !== 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'called without calling profileOut() first' );
|
|
}
|
|
return $this->mModuleTime;
|
|
}
|
|
|
|
/**
|
|
* Profiling: database execution time
|
|
*/
|
|
private $mDBTimeIn = 0, $mDBTime = 0;
|
|
|
|
/**
|
|
* Start module profiling
|
|
*/
|
|
public function profileDBIn() {
|
|
if ( $this->mTimeIn === 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'must be called while profiling the entire module with profileIn()' );
|
|
}
|
|
if ( $this->mDBTimeIn !== 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'called twice without calling profileDBOut()' );
|
|
}
|
|
$this->mDBTimeIn = microtime( true );
|
|
wfProfileIn( $this->getModuleProfileName( true ) );
|
|
}
|
|
|
|
/**
|
|
* End database profiling
|
|
*/
|
|
public function profileDBOut() {
|
|
if ( $this->mTimeIn === 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'must be called while profiling the entire module with profileIn()' );
|
|
}
|
|
if ( $this->mDBTimeIn === 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'called without calling profileDBIn() first' );
|
|
}
|
|
|
|
$time = microtime( true ) - $this->mDBTimeIn;
|
|
$this->mDBTimeIn = 0;
|
|
|
|
$this->mDBTime += $time;
|
|
$this->getMain()->mDBTime += $time;
|
|
wfProfileOut( $this->getModuleProfileName( true ) );
|
|
}
|
|
|
|
/**
|
|
* Total time the module used the database
|
|
* @return float
|
|
*/
|
|
public function getProfileDBTime() {
|
|
if ( $this->mDBTimeIn !== 0 ) {
|
|
ApiBase::dieDebug( __METHOD__, 'called without calling profileDBOut() first' );
|
|
}
|
|
return $this->mDBTime;
|
|
}
|
|
|
|
/**
|
|
* @return DatabaseBase
|
|
*/
|
|
protected function getDB() {
|
|
return wfGetDB( DB_SLAVE, 'api' );
|
|
}
|
|
|
|
/**
|
|
* Debugging function that prints a value and an optional backtrace
|
|
* @param $value mixed Value to print
|
|
* @param $name string Description of the printed value
|
|
* @param $backtrace bool If true, print a backtrace
|
|
*/
|
|
public static function debugPrint( $value, $name = 'unknown', $backtrace = false ) {
|
|
print "\n\n<pre><b>Debugging value '$name':</b>\n\n";
|
|
var_export( $value );
|
|
if ( $backtrace ) {
|
|
print "\n" . wfBacktrace();
|
|
}
|
|
print "\n</pre>\n";
|
|
}
|
|
|
|
/**
|
|
* Returns a string that identifies the version of this class.
|
|
* @return string
|
|
*/
|
|
public static function getBaseVersion() {
|
|
return __CLASS__ . ': $Id$';
|
|
}
|
|
}
|