ApiQueryUserInfo.php

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<?php
class ApiQueryUserInfo extends ApiQueryBase {

        private $prop = array();

        public function __construct( $query, $moduleName ) {
                parent::__construct( $query, $moduleName, 'ui' );
        }

        public function execute() {
                $params = $this->extractRequestParams();
                $result = $this->getResult();

                if ( !is_null( $params['prop'] ) ) {
                        $this->prop = array_flip( $params['prop'] );
                }

                $r = $this->getCurrentUserInfo();
                $result->addValue( 'query', $this->getModuleName(), $r );
        }

        protected function getCurrentUserInfo() {
                global $wgRequest, $wgHiddenPrefs;
                $user = $this->getUser();
                $result = $this->getResult();
                $vals = array();
                $vals['id'] = intval( $user->getId() );
                $vals['name'] = $user->getName();

                if ( $user->isAnon() ) {
                        $vals['anon'] = '';
                }

                if ( isset( $this->prop['blockinfo'] ) ) {
                        if ( $user->isBlocked() ) {
                                $vals['blockedby'] = User::whoIs( $user->blockedBy() );
                                $vals['blockreason'] = $user->blockedFor();
                        }
                }

                if ( isset( $this->prop['hasmsg'] ) && $user->getNewtalk() ) {
                        $vals['messages'] = '';
                }

                if ( isset( $this->prop['groups'] ) ) {
                        $autolist = ApiQueryUsers::getAutoGroups( $user );

                        $vals['groups'] = array_merge( $autolist, $user->getGroups() );
                        $result->setIndexedTagName( $vals['groups'], 'g' );     // even if empty
                }

                if ( isset( $this->prop['implicitgroups'] ) ) {
                        $vals['implicitgroups'] = ApiQueryUsers::getAutoGroups( $user );
                        $result->setIndexedTagName( $vals['implicitgroups'], 'g' );     // even if empty
                }

                if ( isset( $this->prop['rights'] ) ) {
                        // User::getRights() may return duplicate values, strip them
                        $vals['rights'] = array_values( array_unique( $user->getRights() ) );
                        $result->setIndexedTagName( $vals['rights'], 'r' );     // even if empty
                }

                if ( isset( $this->prop['changeablegroups'] ) ) {
                        $vals['changeablegroups'] = $user->changeableGroups();
                        $result->setIndexedTagName( $vals['changeablegroups']['add'], 'g' );
                        $result->setIndexedTagName( $vals['changeablegroups']['remove'], 'g' );
                        $result->setIndexedTagName( $vals['changeablegroups']['add-self'], 'g' );
                        $result->setIndexedTagName( $vals['changeablegroups']['remove-self'], 'g' );
                }

                if ( isset( $this->prop['options'] ) ) {
                        $vals['options'] = $user->getOptions();
                }

                if ( isset( $this->prop['preferencestoken'] ) &&
                        is_null( $this->getMain()->getRequest()->getVal( 'callback' ) )
                ) {
                        $vals['preferencestoken'] = $user->getEditToken( '', $this->getMain()->getRequest() );
                }

                if ( isset( $this->prop['editcount'] ) ) {
                        $vals['editcount'] = intval( $user->getEditCount() );
                }

                if ( isset( $this->prop['ratelimits'] ) ) {
                        $vals['ratelimits'] = $this->getRateLimits();
                }

                if ( isset( $this->prop['realname'] ) && !in_array( 'realname', $wgHiddenPrefs ) ) {
                        $vals['realname'] = $user->getRealName();
                }

                if ( isset( $this->prop['email'] ) ) {
                        $vals['email'] = $user->getEmail();
                        $auth = $user->getEmailAuthenticationTimestamp();
                        if ( !is_null( $auth ) ) {
                                $vals['emailauthenticated'] = wfTimestamp( TS_ISO_8601, $auth );
                        }
                }

                if ( isset( $this->prop['registrationdate'] ) ) {
                        $regDate = $user->getRegistration();
                        if ( $regDate !== false ) {
                                $vals['registrationdate'] = wfTimestamp( TS_ISO_8601, $regDate );
                        }
                }

                if ( isset( $this->prop['acceptlang'] ) ) {
                        $langs = $wgRequest->getAcceptLang();
                        $acceptLang = array();
                        foreach ( $langs as $lang => $val ) {
                                $r = array( 'q' => $val );
                                ApiResult::setContent( $r, $lang );
                                $acceptLang[] = $r;
                        }
                        $result->setIndexedTagName( $acceptLang, 'lang' );
                        $vals['acceptlang'] = $acceptLang;
                }
                return $vals;
        }

        protected function getRateLimits() {
                global $wgRateLimits;
                $user = $this->getUser();
                if ( !$user->isPingLimitable() ) {
                        return array(); // No limits
                }

                // Find out which categories we belong to
                $categories = array();
                if ( $user->isAnon() ) {
                        $categories[] = 'anon';
                } else {
                        $categories[] = 'user';
                }
                if ( $user->isNewbie() ) {
                        $categories[] = 'ip';
                        $categories[] = 'subnet';
                        if ( !$user->isAnon() )
                                $categories[] = 'newbie';
                }
                $categories = array_merge( $categories, $user->getGroups() );

                // Now get the actual limits
                $retval = array();
                foreach ( $wgRateLimits as $action => $limits ) {
                        foreach ( $categories as $cat ) {
                                if ( isset( $limits[$cat] ) && !is_null( $limits[$cat] ) ) {
                                        $retval[$action][$cat]['hits'] = intval( $limits[$cat][0] );
                                        $retval[$action][$cat]['seconds'] = intval( $limits[$cat][1] );
                                }
                        }
                }
                return $retval;
        }

        public function getAllowedParams() {
                return array(
                        'prop' => array(
                                ApiBase::PARAM_DFLT => null,
                                ApiBase::PARAM_ISMULTI => true,
                                ApiBase::PARAM_TYPE => array(
                                        'blockinfo',
                                        'hasmsg',
                                        'groups',
                                        'implicitgroups',
                                        'rights',
                                        'changeablegroups',
                                        'options',
                                        'preferencestoken',
                                        'editcount',
                                        'ratelimits',
                                        'email',
                                        'realname',
                                        'acceptlang',
                                        'registrationdate'
                                )
                        )
                );
        }

        public function getParamDescription() {
                return array(
                        'prop' => array(
                                'What pieces of information to include',
                                '  blockinfo        - Tags if the current user is blocked, by whom, and for what reason',
                                '  hasmsg           - Adds a tag "message" if the current user has pending messages',
                                '  groups           - Lists all the groups the current user belongs to',
                                '  implicitgroups   - Lists all the groups the current user is automatically a member of',
                                '  rights           - Lists all the rights the current user has',
                                '  changeablegroups - Lists the groups the current user can add to and remove from',
                                '  options          - Lists all preferences the current user has set',
                                '  preferencestoken - Get a token to change current user\'s preferences',
                                '  editcount        - Adds the current user\'s edit count',
                                '  ratelimits       - Lists all rate limits applying to the current user',
                                '  realname         - Adds the user\'s real name',
                                '  email            - Adds the user\'s email address and email authentication date',
                                '  acceptlang       - Echoes the Accept-Language header sent by the client in a structured format',
                                '  registrationdate - Adds the user\'s registration date',
                        )
                );
        }

        public function getDescription() {
                return 'Get information about the current user';
        }

        public function getExamples() {
                return array(
                        'api.php?action=query&meta=userinfo',
                        'api.php?action=query&meta=userinfo&uiprop=blockinfo|groups|rights|hasmsg',
                );
        }

        public function getHelpUrls() {
                return 'https://www.mediawiki.org/wiki/API:Meta#userinfo_.2F_ui';
        }

        public function getVersion() {
                return __CLASS__ . ': $Id$';
        }
}