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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | */ |
| 18 | |
| 19 | namespace MediaWiki\Extension\AbuseFilter\Api; |
| 20 | |
| 21 | use ApiBase; |
| 22 | use ApiQuery; |
| 23 | use ApiQueryBase; |
| 24 | use InvalidArgumentException; |
| 25 | use MediaWiki\Extension\AbuseFilter\AbuseFilterPermissionManager; |
| 26 | use MediaWiki\Extension\AbuseFilter\CentralDBNotAvailableException; |
| 27 | use MediaWiki\Extension\AbuseFilter\Filter\FilterNotFoundException; |
| 28 | use MediaWiki\Extension\AbuseFilter\FilterLookup; |
| 29 | use MediaWiki\Extension\AbuseFilter\GlobalNameUtils; |
| 30 | use MediaWiki\Extension\AbuseFilter\Special\SpecialAbuseLog; |
| 31 | use MediaWiki\Extension\AbuseFilter\Variables\VariablesBlobStore; |
| 32 | use MediaWiki\Extension\AbuseFilter\Variables\VariablesManager; |
| 33 | use MediaWiki\Title\Title; |
| 34 | use MWTimestamp; |
| 35 | use User; |
| 36 | use Wikimedia\IPUtils; |
| 37 | use Wikimedia\ParamValidator\ParamValidator; |
| 38 | use Wikimedia\ParamValidator\TypeDef\IntegerDef; |
| 39 | |
| 40 | /** |
| 41 | * Query module to list abuse log entries. |
| 42 | * |
| 43 | * @copyright 2009 Alex Z. <mrzmanwiki AT gmail DOT com> |
| 44 | * Based mostly on code by Bryan Tong Minh and Roan Kattouw |
| 45 | * |
| 46 | * @ingroup API |
| 47 | * @ingroup Extensions |
| 48 | */ |
| 49 | class QueryAbuseLog extends ApiQueryBase { |
| 50 | |
| 51 | /** @var FilterLookup */ |
| 52 | private $afFilterLookup; |
| 53 | |
| 54 | /** @var AbuseFilterPermissionManager */ |
| 55 | private $afPermManager; |
| 56 | |
| 57 | /** @var VariablesBlobStore */ |
| 58 | private $afVariablesBlobStore; |
| 59 | |
| 60 | /** @var VariablesManager */ |
| 61 | private $afVariablesManager; |
| 62 | |
| 63 | /** |
| 64 | * @param ApiQuery $query |
| 65 | * @param string $moduleName |
| 66 | * @param FilterLookup $afFilterLookup |
| 67 | * @param AbuseFilterPermissionManager $afPermManager |
| 68 | * @param VariablesBlobStore $afVariablesBlobStore |
| 69 | * @param VariablesManager $afVariablesManager |
| 70 | */ |
| 71 | public function __construct( |
| 72 | ApiQuery $query, |
| 73 | $moduleName, |
| 74 | FilterLookup $afFilterLookup, |
| 75 | AbuseFilterPermissionManager $afPermManager, |
| 76 | VariablesBlobStore $afVariablesBlobStore, |
| 77 | VariablesManager $afVariablesManager |
| 78 | ) { |
| 79 | parent::__construct( $query, $moduleName, 'afl' ); |
| 80 | $this->afFilterLookup = $afFilterLookup; |
| 81 | $this->afPermManager = $afPermManager; |
| 82 | $this->afVariablesBlobStore = $afVariablesBlobStore; |
| 83 | $this->afVariablesManager = $afVariablesManager; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * @inheritDoc |
| 88 | */ |
| 89 | public function execute() { |
| 90 | $lookup = $this->afFilterLookup; |
| 91 | |
| 92 | // Same check as in SpecialAbuseLog |
| 93 | $this->checkUserRightsAny( 'abusefilter-log' ); |
| 94 | |
| 95 | $performer = $this->getAuthority(); |
| 96 | $params = $this->extractRequestParams(); |
| 97 | |
| 98 | $prop = array_fill_keys( $params['prop'], true ); |
| 99 | $fld_ids = isset( $prop['ids'] ); |
| 100 | $fld_filter = isset( $prop['filter'] ); |
| 101 | $fld_user = isset( $prop['user'] ); |
| 102 | $fld_title = isset( $prop['title'] ); |
| 103 | $fld_action = isset( $prop['action'] ); |
| 104 | $fld_details = isset( $prop['details'] ); |
| 105 | $fld_result = isset( $prop['result'] ); |
| 106 | $fld_timestamp = isset( $prop['timestamp'] ); |
| 107 | $fld_hidden = isset( $prop['hidden'] ); |
| 108 | $fld_revid = isset( $prop['revid'] ); |
| 109 | $isCentral = $this->getConfig()->get( 'AbuseFilterIsCentral' ); |
| 110 | $fld_wiki = $isCentral && isset( $prop['wiki'] ); |
| 111 | |
| 112 | if ( $fld_details ) { |
| 113 | $this->checkUserRightsAny( 'abusefilter-log-detail' ); |
| 114 | } |
| 115 | |
| 116 | // Map of [ [ id, global ], ... ] |
| 117 | $searchFilters = []; |
| 118 | // Match permissions for viewing events on private filters to SpecialAbuseLog (bug 42814) |
| 119 | // @todo Avoid code duplication with SpecialAbuseLog::showList, make it so that, if hidden |
| 120 | // filters are specified, we only filter them out instead of failing. |
| 121 | if ( $params['filter'] ) { |
| 122 | if ( !is_array( $params['filter'] ) ) { |
| 123 | $params['filter'] = [ $params['filter'] ]; |
| 124 | } |
| 125 | |
| 126 | $foundInvalid = false; |
| 127 | foreach ( $params['filter'] as $filter ) { |
| 128 | try { |
| 129 | $searchFilters[] = GlobalNameUtils::splitGlobalName( $filter ); |
| 130 | } catch ( InvalidArgumentException $e ) { |
| 131 | $foundInvalid = true; |
| 132 | continue; |
| 133 | } |
| 134 | } |
| 135 | if ( !$this->afPermManager->canViewPrivateFiltersLogs( $performer ) ) { |
| 136 | foreach ( $searchFilters as [ $filterID, $global ] ) { |
| 137 | try { |
| 138 | $isHidden = $lookup->getFilter( $filterID, $global )->isHidden(); |
| 139 | } catch ( CentralDBNotAvailableException $_ ) { |
| 140 | // Conservatively assume it's hidden, like in SpecialAbuseLog |
| 141 | $isHidden = true; |
| 142 | } catch ( FilterNotFoundException $_ ) { |
| 143 | $isHidden = false; |
| 144 | $foundInvalid = true; |
| 145 | } |
| 146 | if ( $isHidden ) { |
| 147 | $this->dieWithError( |
| 148 | [ 'apierror-permissiondenied', $this->msg( 'action-abusefilter-log-private' ) ] |
| 149 | ); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | if ( $foundInvalid ) { |
| 155 | // @todo Tell what the invalid IDs are |
| 156 | $this->addWarning( 'abusefilter-log-invalid-filter' ); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | $result = $this->getResult(); |
| 161 | |
| 162 | $this->addTables( 'abuse_filter_log' ); |
| 163 | $this->addFields( 'afl_timestamp' ); |
| 164 | $this->addFields( 'afl_rev_id' ); |
| 165 | $this->addFields( 'afl_deleted' ); |
| 166 | $this->addFields( 'afl_filter_id' ); |
| 167 | $this->addFields( 'afl_global' ); |
| 168 | $this->addFieldsIf( 'afl_id', $fld_ids ); |
| 169 | $this->addFieldsIf( 'afl_user_text', $fld_user ); |
| 170 | $this->addFieldsIf( [ 'afl_namespace', 'afl_title' ], $fld_title ); |
| 171 | $this->addFieldsIf( 'afl_action', $fld_action ); |
| 172 | $this->addFieldsIf( 'afl_var_dump', $fld_details ); |
| 173 | $this->addFieldsIf( 'afl_actions', $fld_result ); |
| 174 | $this->addFieldsIf( 'afl_wiki', $fld_wiki ); |
| 175 | |
| 176 | if ( $fld_filter ) { |
| 177 | $this->addTables( 'abuse_filter' ); |
| 178 | $this->addFields( 'af_public_comments' ); |
| 179 | |
| 180 | $this->addJoinConds( [ |
| 181 | 'abuse_filter' => [ |
| 182 | 'LEFT JOIN', |
| 183 | [ |
| 184 | 'af_id=afl_filter_id', |
| 185 | 'afl_global' => 0 |
| 186 | ] |
| 187 | ] |
| 188 | ] ); |
| 189 | } |
| 190 | |
| 191 | $this->addOption( 'LIMIT', $params['limit'] + 1 ); |
| 192 | |
| 193 | $this->addWhereIf( [ 'afl_id' => $params['logid'] ], isset( $params['logid'] ) ); |
| 194 | |
| 195 | $this->addWhereRange( 'afl_timestamp', $params['dir'], $params['start'], $params['end'] ); |
| 196 | |
| 197 | if ( isset( $params['user'] ) ) { |
| 198 | $u = User::newFromName( $params['user'] ); |
| 199 | if ( $u ) { |
| 200 | // Username normalisation |
| 201 | $params['user'] = $u->getName(); |
| 202 | $userId = $u->getId(); |
| 203 | } elseif ( IPUtils::isIPAddress( $params['user'] ) ) { |
| 204 | // It's an IP, sanitize it |
| 205 | $params['user'] = IPUtils::sanitizeIP( $params['user'] ); |
| 206 | $userId = 0; |
| 207 | } |
| 208 | |
| 209 | if ( isset( $userId ) ) { |
| 210 | // Only add the WHERE for user in case it's either a valid user |
| 211 | // (but not necessary an existing one) or an IP. |
| 212 | $this->addWhere( |
| 213 | [ |
| 214 | 'afl_user' => $userId, |
| 215 | 'afl_user_text' => $params['user'] |
| 216 | ] |
| 217 | ); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | $this->addWhereIf( [ 'afl_deleted' => 0 ], !$this->afPermManager->canSeeHiddenLogEntries( $performer ) ); |
| 222 | |
| 223 | if ( $searchFilters ) { |
| 224 | // @todo Avoid code duplication with SpecialAbuseLog::showList |
| 225 | $filterConds = [ 'local' => [], 'global' => [] ]; |
| 226 | foreach ( $searchFilters as $filter ) { |
| 227 | $isGlobal = $filter[1]; |
| 228 | $key = $isGlobal ? 'global' : 'local'; |
| 229 | $filterConds[$key][] = $filter[0]; |
| 230 | } |
| 231 | $conds = []; |
| 232 | if ( $filterConds['local'] ) { |
| 233 | $conds[] = $this->getDB()->makeList( |
| 234 | [ 'afl_global' => 0, 'afl_filter_id' => $filterConds['local'] ], |
| 235 | LIST_AND |
| 236 | ); |
| 237 | } |
| 238 | if ( $filterConds['global'] ) { |
| 239 | $conds[] = $this->getDB()->makeList( |
| 240 | [ 'afl_global' => 1, 'afl_filter_id' => $filterConds['global'] ], |
| 241 | LIST_AND |
| 242 | ); |
| 243 | } |
| 244 | $conds = $this->getDB()->makeList( $conds, LIST_OR ); |
| 245 | |
| 246 | $this->addWhere( $conds ); |
| 247 | } |
| 248 | |
| 249 | if ( isset( $params['wiki'] ) ) { |
| 250 | // 'wiki' won't be set if $wgAbuseFilterIsCentral = false |
| 251 | $this->addWhereIf( [ 'afl_wiki' => $params['wiki'] ], $isCentral ); |
| 252 | } |
| 253 | |
| 254 | $title = $params['title']; |
| 255 | if ( $title !== null ) { |
| 256 | $titleObj = Title::newFromText( $title ); |
| 257 | if ( $titleObj === null ) { |
| 258 | $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $title ) ] ); |
| 259 | } |
| 260 | $this->addWhereFld( 'afl_namespace', $titleObj->getNamespace() ); |
| 261 | $this->addWhereFld( 'afl_title', $titleObj->getDBkey() ); |
| 262 | } |
| 263 | $res = $this->select( __METHOD__ ); |
| 264 | |
| 265 | $count = 0; |
| 266 | foreach ( $res as $row ) { |
| 267 | if ( ++$count > $params['limit'] ) { |
| 268 | // We've had enough |
| 269 | $ts = new MWTimestamp( $row->afl_timestamp ); |
| 270 | $this->setContinueEnumParameter( 'start', $ts->getTimestamp( TS_ISO_8601 ) ); |
| 271 | break; |
| 272 | } |
| 273 | $visibility = SpecialAbuseLog::getEntryVisibilityForUser( $row, $performer, $this->afPermManager ); |
| 274 | if ( $visibility !== SpecialAbuseLog::VISIBILITY_VISIBLE ) { |
| 275 | continue; |
| 276 | } |
| 277 | |
| 278 | $filterID = $row->afl_filter_id; |
| 279 | $global = $row->afl_global; |
| 280 | $fullName = GlobalNameUtils::buildGlobalName( $filterID, $global ); |
| 281 | $isHidden = $lookup->getFilter( $filterID, $global )->isHidden(); |
| 282 | $canSeeDetails = $this->afPermManager->canSeeLogDetailsForFilter( $performer, $isHidden ); |
| 283 | |
| 284 | $entry = []; |
| 285 | if ( $fld_ids ) { |
| 286 | $entry['id'] = intval( $row->afl_id ); |
| 287 | $entry['filter_id'] = $canSeeDetails ? $fullName : ''; |
| 288 | } |
| 289 | if ( $fld_filter ) { |
| 290 | if ( $global ) { |
| 291 | $entry['filter'] = $lookup->getFilter( $filterID, true )->getName(); |
| 292 | } else { |
| 293 | $entry['filter'] = $row->af_public_comments; |
| 294 | } |
| 295 | } |
| 296 | if ( $fld_user ) { |
| 297 | $entry['user'] = $row->afl_user_text; |
| 298 | } |
| 299 | if ( $fld_wiki ) { |
| 300 | $entry['wiki'] = $row->afl_wiki; |
| 301 | } |
| 302 | if ( $fld_title ) { |
| 303 | $title = Title::makeTitle( $row->afl_namespace, $row->afl_title ); |
| 304 | ApiQueryBase::addTitleInfo( $entry, $title ); |
| 305 | } |
| 306 | if ( $fld_action ) { |
| 307 | $entry['action'] = $row->afl_action; |
| 308 | } |
| 309 | if ( $fld_result ) { |
| 310 | $entry['result'] = $row->afl_actions; |
| 311 | } |
| 312 | if ( $fld_revid && $row->afl_rev_id !== null ) { |
| 313 | $entry['revid'] = $canSeeDetails ? (int)$row->afl_rev_id : ''; |
| 314 | } |
| 315 | if ( $fld_timestamp ) { |
| 316 | $ts = new MWTimestamp( $row->afl_timestamp ); |
| 317 | $entry['timestamp'] = $ts->getTimestamp( TS_ISO_8601 ); |
| 318 | } |
| 319 | if ( $fld_details ) { |
| 320 | $entry['details'] = []; |
| 321 | if ( $canSeeDetails ) { |
| 322 | $vars = $this->afVariablesBlobStore->loadVarDump( $row->afl_var_dump ); |
| 323 | $varManager = $this->afVariablesManager; |
| 324 | $entry['details'] = $varManager->exportAllVars( $vars ); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | if ( $fld_hidden ) { |
| 329 | $entry['hidden'] = (bool)$row->afl_deleted; |
| 330 | } |
| 331 | |
| 332 | if ( $entry ) { |
| 333 | $fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $entry ); |
| 334 | if ( !$fit ) { |
| 335 | $ts = new MWTimestamp( $row->afl_timestamp ); |
| 336 | $this->setContinueEnumParameter( 'start', $ts->getTimestamp( TS_ISO_8601 ) ); |
| 337 | break; |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | $result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'item' ); |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * @codeCoverageIgnore Merely declarative |
| 346 | * @inheritDoc |
| 347 | */ |
| 348 | public function getAllowedParams() { |
| 349 | $params = [ |
| 350 | 'logid' => [ |
| 351 | ParamValidator::PARAM_TYPE => 'integer' |
| 352 | ], |
| 353 | 'start' => [ |
| 354 | ParamValidator::PARAM_TYPE => 'timestamp' |
| 355 | ], |
| 356 | 'end' => [ |
| 357 | ParamValidator::PARAM_TYPE => 'timestamp' |
| 358 | ], |
| 359 | 'dir' => [ |
| 360 | ParamValidator::PARAM_TYPE => [ |
| 361 | 'newer', |
| 362 | 'older' |
| 363 | ], |
| 364 | ParamValidator::PARAM_DEFAULT => 'older', |
| 365 | ApiBase::PARAM_HELP_MSG => 'api-help-param-direction', |
| 366 | ], |
| 367 | 'user' => null, |
| 368 | 'title' => null, |
| 369 | 'filter' => [ |
| 370 | ParamValidator::PARAM_TYPE => 'string', |
| 371 | ParamValidator::PARAM_ISMULTI => true, |
| 372 | ApiBase::PARAM_HELP_MSG => [ |
| 373 | 'apihelp-query+abuselog-param-filter', |
| 374 | GlobalNameUtils::GLOBAL_FILTER_PREFIX |
| 375 | ] |
| 376 | ], |
| 377 | 'limit' => [ |
| 378 | ParamValidator::PARAM_DEFAULT => 10, |
| 379 | ParamValidator::PARAM_TYPE => 'limit', |
| 380 | IntegerDef::PARAM_MIN => 1, |
| 381 | IntegerDef::PARAM_MAX => ApiBase::LIMIT_BIG1, |
| 382 | IntegerDef::PARAM_MAX2 => ApiBase::LIMIT_BIG2 |
| 383 | ], |
| 384 | 'prop' => [ |
| 385 | ParamValidator::PARAM_DEFAULT => 'ids|user|title|action|result|timestamp|hidden|revid', |
| 386 | ParamValidator::PARAM_TYPE => [ |
| 387 | 'ids', |
| 388 | 'filter', |
| 389 | 'user', |
| 390 | 'title', |
| 391 | 'action', |
| 392 | 'details', |
| 393 | 'result', |
| 394 | 'timestamp', |
| 395 | 'hidden', |
| 396 | 'revid', |
| 397 | ], |
| 398 | ParamValidator::PARAM_ISMULTI => true |
| 399 | ] |
| 400 | ]; |
| 401 | if ( $this->getConfig()->get( 'AbuseFilterIsCentral' ) ) { |
| 402 | $params['wiki'] = [ |
| 403 | ParamValidator::PARAM_TYPE => 'string', |
| 404 | ]; |
| 405 | $params['prop'][ParamValidator::PARAM_DEFAULT] .= '|wiki'; |
| 406 | $params['prop'][ParamValidator::PARAM_TYPE][] = 'wiki'; |
| 407 | $params['filter'][ApiBase::PARAM_HELP_MSG] = 'apihelp-query+abuselog-param-filter-central'; |
| 408 | } |
| 409 | return $params; |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * @codeCoverageIgnore Merely declarative |
| 414 | * @inheritDoc |
| 415 | */ |
| 416 | protected function getExamplesMessages() { |
| 417 | return [ |
| 418 | 'action=query&list=abuselog' |
| 419 | => 'apihelp-query+abuselog-example-1', |
| 420 | 'action=query&list=abuselog&afltitle=API' |
| 421 | => 'apihelp-query+abuselog-example-2', |
| 422 | ]; |
| 423 | } |
| 424 | } |