includes/api/ApiQueryUserInfo.php

   1 <?php
   2 /**
   3  * Copyright © 2007 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 use MediaWiki\MediaWikiServices;
  24
  25 /**
  26  * Query module to get information about the currently logged-in user
  27  *
  28  * @ingroup API
  29  */
  30 class ApiQueryUserInfo extends ApiQueryBase {
  31
  32         const WL_UNREAD_LIMIT = 1000;
  33
  34         private $params = [];
  35         private $prop = [];
  36
  37         public function __construct( ApiQuery $query, $moduleName ) {
  38                 parent::__construct( $query, $moduleName, 'ui' );
  39         }
  40
  41         public function execute() {
  42                 $this->params = $this->extractRequestParams();
  43                 $result = $this->getResult();
  44
  45                 if ( !is_null( $this->params['prop'] ) ) {
  46                         $this->prop = array_flip( $this->params['prop'] );
  47                 }
  48
  49                 $r = $this->getCurrentUserInfo();
  50                 $result->addValue( 'query', $this->getModuleName(), $r );
  51         }
  52
  53         /**
  54          * Get basic info about a given block
  55          * @param Block $block
  56          * @return array Array containing several keys:
  57          *  - blockid - ID of the block
  58          *  - blockedby - username of the blocker
  59          *  - blockedbyid - user ID of the blocker
  60          *  - blockreason - reason provided for the block
  61          *  - blockedtimestamp - timestamp for when the block was placed/modified
  62          *  - blockexpiry - expiry time of the block
  63          *  - systemblocktype - system block type, if any
  64          */
  65         public static function getBlockInfo( Block $block ) {
  66                 $vals = [];
  67                 $vals['blockid'] = $block->getId();
  68                 $vals['blockedby'] = $block->getByName();
  69                 $vals['blockedbyid'] = $block->getBy();
  70                 $vals['blockreason'] = $block->getReason();
  71                 $vals['blockedtimestamp'] = wfTimestamp( TS_ISO_8601, $block->getTimestamp() );
  72                 $vals['blockexpiry'] = ApiResult::formatExpiry( $block->getExpiry(), 'infinite' );
  73                 $vals['blockpartial'] = !$block->isSitewide();
  74                 if ( $block->getSystemBlockType() !== null ) {
  75                         $vals['systemblocktype'] = $block->getSystemBlockType();
  76                 }
  77                 return $vals;
  78         }
  79
  80         /**
  81          * Get central user info
  82          * @param Config $config
  83          * @param User $user
  84          * @param string|null $attachedWiki
  85          * @return array Central user info
  86          *  - centralids: Array mapping non-local Central ID provider names to IDs
  87          *  - attachedlocal: Array mapping Central ID provider names to booleans
  88          *    indicating whether the local user is attached.
  89          *  - attachedwiki: Array mapping Central ID provider names to booleans
  90          *    indicating whether the user is attached to $attachedWiki.
  91          */
  92         public static function getCentralUserInfo( Config $config, User $user, $attachedWiki = null ) {
  93                 $providerIds = array_keys( $config->get( 'CentralIdLookupProviders' ) );
  94
  95                 $ret = [
  96                         'centralids' => [],
  97                         'attachedlocal' => [],
  98                 ];
  99                 ApiResult::setArrayType( $ret['centralids'], 'assoc' );
 100                 ApiResult::setArrayType( $ret['attachedlocal'], 'assoc' );
 101                 if ( $attachedWiki ) {
 102                         $ret['attachedwiki'] = [];
 103                         ApiResult::setArrayType( $ret['attachedwiki'], 'assoc' );
 104                 }
 105
 106                 $name = $user->getName();
 107                 foreach ( $providerIds as $providerId ) {
 108                         $provider = CentralIdLookup::factory( $providerId );
 109                         $ret['centralids'][$providerId] = $provider->centralIdFromName( $name );
 110                         $ret['attachedlocal'][$providerId] = $provider->isAttached( $user );
 111                         if ( $attachedWiki ) {
 112                                 $ret['attachedwiki'][$providerId] = $provider->isAttached( $user, $attachedWiki );
 113                         }
 114                 }
 115
 116                 return $ret;
 117         }
 118
 119         protected function getCurrentUserInfo() {
 120                 $user = $this->getUser();
 121                 $vals = [];
 122                 $vals['id'] = (int)$user->getId();
 123                 $vals['name'] = $user->getName();
 124
 125                 if ( $user->isAnon() ) {
 126                         $vals['anon'] = true;
 127                 }
 128
 129                 if ( isset( $this->prop['blockinfo'] ) && $user->isBlocked() ) {
 130                         $vals = array_merge( $vals, self::getBlockInfo( $user->getBlock() ) );
 131                 }
 132
 133                 if ( isset( $this->prop['hasmsg'] ) ) {
 134                         $vals['messages'] = $user->getNewtalk();
 135                 }
 136
 137                 if ( isset( $this->prop['groups'] ) ) {
 138                         $vals['groups'] = $user->getEffectiveGroups();
 139                         ApiResult::setArrayType( $vals['groups'], 'array' ); // even if empty
 140                         ApiResult::setIndexedTagName( $vals['groups'], 'g' ); // even if empty
 141                 }
 142
 143                 if ( isset( $this->prop['groupmemberships'] ) ) {
 144                         $ugms = $user->getGroupMemberships();
 145                         $vals['groupmemberships'] = [];
 146                         foreach ( $ugms as $group => $ugm ) {
 147                                 $vals['groupmemberships'][] = [
 148                                         'group' => $group,
 149                                         'expiry' => ApiResult::formatExpiry( $ugm->getExpiry() ),
 150                                 ];
 151                         }
 152                         ApiResult::setArrayType( $vals['groupmemberships'], 'array' ); // even if empty
 153                         ApiResult::setIndexedTagName( $vals['groupmemberships'], 'groupmembership' ); // even if empty
 154                 }
 155
 156                 if ( isset( $this->prop['implicitgroups'] ) ) {
 157                         $vals['implicitgroups'] = $user->getAutomaticGroups();
 158                         ApiResult::setArrayType( $vals['implicitgroups'], 'array' ); // even if empty
 159                         ApiResult::setIndexedTagName( $vals['implicitgroups'], 'g' ); // even if empty
 160                 }
 161
 162                 if ( isset( $this->prop['rights'] ) ) {
 163                         // User::getRights() may return duplicate values, strip them
 164                         $vals['rights'] = array_values( array_unique( $user->getRights() ) );
 165                         ApiResult::setArrayType( $vals['rights'], 'array' ); // even if empty
 166                         ApiResult::setIndexedTagName( $vals['rights'], 'r' ); // even if empty
 167                 }
 168
 169                 if ( isset( $this->prop['changeablegroups'] ) ) {
 170                         $vals['changeablegroups'] = $user->changeableGroups();
 171                         ApiResult::setIndexedTagName( $vals['changeablegroups']['add'], 'g' );
 172                         ApiResult::setIndexedTagName( $vals['changeablegroups']['remove'], 'g' );
 173                         ApiResult::setIndexedTagName( $vals['changeablegroups']['add-self'], 'g' );
 174                         ApiResult::setIndexedTagName( $vals['changeablegroups']['remove-self'], 'g' );
 175                 }
 176
 177                 if ( isset( $this->prop['options'] ) ) {
 178                         $vals['options'] = $user->getOptions();
 179                         $vals['options'][ApiResult::META_BC_BOOLS] = array_keys( $vals['options'] );
 180                 }
 181
 182                 if ( isset( $this->prop['preferencestoken'] ) &&
 183                         !$this->lacksSameOriginSecurity() &&
 184                         $user->isAllowed( 'editmyoptions' )
 185                 ) {
 186                         $vals['preferencestoken'] = $user->getEditToken( '', $this->getMain()->getRequest() );
 187                 }
 188
 189                 if ( isset( $this->prop['editcount'] ) ) {
 190                         // use intval to prevent null if a non-logged-in user calls
 191                         // api.php?format=jsonfm&action=query&meta=userinfo&uiprop=editcount
 192                         $vals['editcount'] = (int)$user->getEditCount();
 193                 }
 194
 195                 if ( isset( $this->prop['ratelimits'] ) ) {
 196                         $vals['ratelimits'] = $this->getRateLimits();
 197                 }
 198
 199                 if ( isset( $this->prop['realname'] ) &&
 200                         !in_array( 'realname', $this->getConfig()->get( 'HiddenPrefs' ) )
 201                 ) {
 202                         $vals['realname'] = $user->getRealName();
 203                 }
 204
 205                 if ( $user->isAllowed( 'viewmyprivateinfo' ) && isset( $this->prop['email'] ) ) {
 206                         $vals['email'] = $user->getEmail();
 207                         $auth = $user->getEmailAuthenticationTimestamp();
 208                         if ( $auth !== null ) {
 209                                 $vals['emailauthenticated'] = wfTimestamp( TS_ISO_8601, $auth );
 210                         }
 211                 }
 212
 213                 if ( isset( $this->prop['registrationdate'] ) ) {
 214                         $regDate = $user->getRegistration();
 215                         if ( $regDate !== false ) {
 216                                 $vals['registrationdate'] = wfTimestamp( TS_ISO_8601, $regDate );
 217                         }
 218                 }
 219
 220                 if ( isset( $this->prop['acceptlang'] ) ) {
 221                         $langs = $this->getRequest()->getAcceptLang();
 222                         $acceptLang = [];
 223                         foreach ( $langs as $lang => $val ) {
 224                                 $r = [ 'q' => $val ];
 225                                 ApiResult::setContentValue( $r, 'code', $lang );
 226                                 $acceptLang[] = $r;
 227                         }
 228                         ApiResult::setIndexedTagName( $acceptLang, 'lang' );
 229                         $vals['acceptlang'] = $acceptLang;
 230                 }
 231
 232                 if ( isset( $this->prop['unreadcount'] ) ) {
 233                         $store = MediaWikiServices::getInstance()->getWatchedItemStore();
 234                         $unreadNotifications = $store->countUnreadNotifications(
 235                                 $user,
 236                                 self::WL_UNREAD_LIMIT
 237                         );
 238
 239                         if ( $unreadNotifications === true ) {
 240                                 $vals['unreadcount'] = self::WL_UNREAD_LIMIT . '+';
 241                         } else {
 242                                 $vals['unreadcount'] = $unreadNotifications;
 243                         }
 244                 }
 245
 246                 if ( isset( $this->prop['centralids'] ) ) {
 247                         $vals += self::getCentralUserInfo(
 248                                 $this->getConfig(), $this->getUser(), $this->params['attachedwiki']
 249                         );
 250                 }
 251
 252                 if ( isset( $this->prop['latestcontrib'] ) ) {
 253                         $ts = $this->getLatestContributionTime();
 254                         if ( $ts !== null ) {
 255                                 $vals['latestcontrib'] = $ts;
 256                         }
 257                 }
 258
 259                 return $vals;
 260         }
 261
 262         protected function getRateLimits() {
 263                 $retval = [
 264                         ApiResult::META_TYPE => 'assoc',
 265                 ];
 266
 267                 $user = $this->getUser();
 268                 if ( !$user->isPingLimitable() ) {
 269                         return $retval; // No limits
 270                 }
 271
 272                 // Find out which categories we belong to
 273                 $categories = [];
 274                 if ( $user->isAnon() ) {
 275                         $categories[] = 'anon';
 276                 } else {
 277                         $categories[] = 'user';
 278                 }
 279                 if ( $user->isNewbie() ) {
 280                         $categories[] = 'ip';
 281                         $categories[] = 'subnet';
 282                         if ( !$user->isAnon() ) {
 283                                 $categories[] = 'newbie';
 284                         }
 285                 }
 286                 $categories = array_merge( $categories, $user->getGroups() );
 287
 288                 // Now get the actual limits
 289                 foreach ( $this->getConfig()->get( 'RateLimits' ) as $action => $limits ) {
 290                         foreach ( $categories as $cat ) {
 291                                 if ( isset( $limits[$cat] ) && !is_null( $limits[$cat] ) ) {
 292                                         $retval[$action][$cat]['hits'] = (int)$limits[$cat][0];
 293                                         $retval[$action][$cat]['seconds'] = (int)$limits[$cat][1];
 294                                 }
 295                         }
 296                 }
 297
 298                 return $retval;
 299         }
 300
 301         /**
 302          * @return string|null ISO 8601 timestamp of current user's last contribution or null if none
 303          */
 304         protected function getLatestContributionTime() {
 305                 global $wgActorTableSchemaMigrationStage;
 306
 307                 $user = $this->getUser();
 308                 $dbr = $this->getDB();
 309
 310                 if ( $wgActorTableSchemaMigrationStage & SCHEMA_COMPAT_READ_NEW ) {
 311                         if ( $user->getActorId() === null ) {
 312                                 return null;
 313                         }
 314                         $res = $dbr->selectField( 'revision_actor_temp',
 315                                 'MAX(revactor_timestamp)',
 316                                 [ 'revactor_actor' => $user->getActorId() ],
 317                                 __METHOD__
 318                         );
 319                 } else {
 320                         if ( $user->isLoggedIn() ) {
 321                                 $conds = [ 'rev_user' => $user->getId() ];
 322                         } else {
 323                                 $conds = [ 'rev_user_text' => $user->getName() ];
 324                         }
 325                         $res = $dbr->selectField( 'revision',
 326                                 'MAX(rev_timestamp)',
 327                                 $conds,
 328                                 __METHOD__
 329                         );
 330                 }
 331
 332                 return $res ? wfTimestamp( TS_ISO_8601, $res ) : null;
 333         }
 334
 335         public function getAllowedParams() {
 336                 return [
 337                         'prop' => [
 338                                 ApiBase::PARAM_ISMULTI => true,
 339                                 ApiBase::PARAM_TYPE => [
 340                                         'blockinfo',
 341                                         'hasmsg',
 342                                         'groups',
 343                                         'groupmemberships',
 344                                         'implicitgroups',
 345                                         'rights',
 346                                         'changeablegroups',
 347                                         'options',
 348                                         'editcount',
 349                                         'ratelimits',
 350                                         'email',
 351                                         'realname',
 352                                         'acceptlang',
 353                                         'registrationdate',
 354                                         'unreadcount',
 355                                         'centralids',
 356                                         'preferencestoken',
 357                                         'latestcontrib',
 358                                 ],
 359                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => [
 360                                         'unreadcount' => [
 361                                                 'apihelp-query+userinfo-paramvalue-prop-unreadcount',
 362                                                 self::WL_UNREAD_LIMIT - 1,
 363                                                 self::WL_UNREAD_LIMIT . '+',
 364                                         ],
 365                                 ],
 366                                 ApiBase::PARAM_DEPRECATED_VALUES => [
 367                                         'preferencestoken' => [
 368                                                 'apiwarn-deprecation-withreplacement',
 369                                                 $this->getModulePrefix() . "prop=preferencestoken",
 370                                                 'action=query&meta=tokens',
 371                                         ]
 372                                 ],
 373                         ],
 374                         'attachedwiki' => null,
 375                 ];
 376         }
 377
 378         protected function getExamplesMessages() {
 379                 return [
 380                         'action=query&meta=userinfo'
 381                                 => 'apihelp-query+userinfo-example-simple',
 382                         'action=query&meta=userinfo&uiprop=blockinfo|groups|rights|hasmsg'
 383                                 => 'apihelp-query+userinfo-example-data',
 384                 ];
 385         }
 386
 387         public function getHelpUrls() {
 388                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Userinfo';
 389         }
 390 }