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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\AbuseFilter\View; |
| 4 | |
| 5 | use ChangesList; |
| 6 | use HTMLForm; |
| 7 | use IContextSource; |
| 8 | use LogicException; |
| 9 | use MediaWiki\Extension\AbuseFilter\AbuseFilterChangesList; |
| 10 | use MediaWiki\Extension\AbuseFilter\AbuseFilterPermissionManager; |
| 11 | use MediaWiki\Extension\AbuseFilter\CentralDBNotAvailableException; |
| 12 | use MediaWiki\Extension\AbuseFilter\EditBox\EditBoxBuilderFactory; |
| 13 | use MediaWiki\Extension\AbuseFilter\FilterLookup; |
| 14 | use MediaWiki\Extension\AbuseFilter\Pager\AbuseFilterExaminePager; |
| 15 | use MediaWiki\Extension\AbuseFilter\Special\SpecialAbuseLog; |
| 16 | use MediaWiki\Extension\AbuseFilter\VariableGenerator\VariableGeneratorFactory; |
| 17 | use MediaWiki\Extension\AbuseFilter\Variables\VariableHolder; |
| 18 | use MediaWiki\Extension\AbuseFilter\Variables\VariablesBlobStore; |
| 19 | use MediaWiki\Extension\AbuseFilter\Variables\VariablesFormatter; |
| 20 | use MediaWiki\Extension\AbuseFilter\Variables\VariablesManager; |
| 21 | use MediaWiki\Linker\LinkRenderer; |
| 22 | use MediaWiki\Revision\RevisionRecord; |
| 23 | use MediaWiki\Title\Title; |
| 24 | use OOUI; |
| 25 | use RecentChange; |
| 26 | use Wikimedia\Rdbms\LBFactory; |
| 27 | use Xml; |
| 28 | |
| 29 | class AbuseFilterViewExamine extends AbuseFilterView { |
| 30 | /** |
| 31 | * @var string The rules of the filter we're examining |
| 32 | */ |
| 33 | private $testFilter; |
| 34 | /** |
| 35 | * @var LBFactory |
| 36 | */ |
| 37 | private $lbFactory; |
| 38 | /** |
| 39 | * @var FilterLookup |
| 40 | */ |
| 41 | private $filterLookup; |
| 42 | /** |
| 43 | * @var EditBoxBuilderFactory |
| 44 | */ |
| 45 | private $boxBuilderFactory; |
| 46 | /** |
| 47 | * @var VariablesBlobStore |
| 48 | */ |
| 49 | private $varBlobStore; |
| 50 | /** |
| 51 | * @var VariablesFormatter |
| 52 | */ |
| 53 | private $variablesFormatter; |
| 54 | /** |
| 55 | * @var VariablesManager |
| 56 | */ |
| 57 | private $varManager; |
| 58 | /** |
| 59 | * @var VariableGeneratorFactory |
| 60 | */ |
| 61 | private $varGeneratorFactory; |
| 62 | |
| 63 | /** |
| 64 | * @param LBFactory $lbFactory |
| 65 | * @param AbuseFilterPermissionManager $afPermManager |
| 66 | * @param FilterLookup $filterLookup |
| 67 | * @param EditBoxBuilderFactory $boxBuilderFactory |
| 68 | * @param VariablesBlobStore $varBlobStore |
| 69 | * @param VariablesFormatter $variablesFormatter |
| 70 | * @param VariablesManager $varManager |
| 71 | * @param VariableGeneratorFactory $varGeneratorFactory |
| 72 | * @param IContextSource $context |
| 73 | * @param LinkRenderer $linkRenderer |
| 74 | * @param string $basePageName |
| 75 | * @param array $params |
| 76 | */ |
| 77 | public function __construct( |
| 78 | LBFactory $lbFactory, |
| 79 | AbuseFilterPermissionManager $afPermManager, |
| 80 | FilterLookup $filterLookup, |
| 81 | EditBoxBuilderFactory $boxBuilderFactory, |
| 82 | VariablesBlobStore $varBlobStore, |
| 83 | VariablesFormatter $variablesFormatter, |
| 84 | VariablesManager $varManager, |
| 85 | VariableGeneratorFactory $varGeneratorFactory, |
| 86 | IContextSource $context, |
| 87 | LinkRenderer $linkRenderer, |
| 88 | string $basePageName, |
| 89 | array $params |
| 90 | ) { |
| 91 | parent::__construct( $afPermManager, $context, $linkRenderer, $basePageName, $params ); |
| 92 | $this->lbFactory = $lbFactory; |
| 93 | $this->filterLookup = $filterLookup; |
| 94 | $this->boxBuilderFactory = $boxBuilderFactory; |
| 95 | $this->varBlobStore = $varBlobStore; |
| 96 | $this->variablesFormatter = $variablesFormatter; |
| 97 | $this->variablesFormatter->setMessageLocalizer( $context ); |
| 98 | $this->varManager = $varManager; |
| 99 | $this->varGeneratorFactory = $varGeneratorFactory; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Shows the page |
| 104 | */ |
| 105 | public function show() { |
| 106 | $out = $this->getOutput(); |
| 107 | $out->setPageTitleMsg( $this->msg( 'abusefilter-examine' ) ); |
| 108 | $out->addHelpLink( 'Extension:AbuseFilter/Rules format' ); |
| 109 | if ( $this->afPermManager->canUseTestTools( $this->getAuthority() ) ) { |
| 110 | $out->addWikiMsg( 'abusefilter-examine-intro' ); |
| 111 | } else { |
| 112 | $out->addWikiMsg( 'abusefilter-examine-intro-examine-only' ); |
| 113 | } |
| 114 | |
| 115 | $this->testFilter = $this->getRequest()->getText( 'testfilter' ); |
| 116 | |
| 117 | // Check if we've got a subpage |
| 118 | if ( count( $this->mParams ) > 1 && is_numeric( $this->mParams[1] ) ) { |
| 119 | $this->showExaminerForRC( $this->mParams[1] ); |
| 120 | } elseif ( count( $this->mParams ) > 2 |
| 121 | && $this->mParams[1] === 'log' |
| 122 | && is_numeric( $this->mParams[2] ) |
| 123 | ) { |
| 124 | $this->showExaminerForLogEntry( $this->mParams[2] ); |
| 125 | } else { |
| 126 | $this->showSearch(); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Shows the search form |
| 132 | */ |
| 133 | public function showSearch() { |
| 134 | $RCMaxAge = $this->getConfig()->get( 'RCMaxAge' ); |
| 135 | $min = wfTimestamp( TS_ISO_8601, time() - $RCMaxAge ); |
| 136 | $max = wfTimestampNow(); |
| 137 | $formDescriptor = [ |
| 138 | 'SearchUser' => [ |
| 139 | 'label-message' => 'abusefilter-test-user', |
| 140 | 'type' => 'user', |
| 141 | 'ipallowed' => true, |
| 142 | ], |
| 143 | 'SearchPeriodStart' => [ |
| 144 | 'label-message' => 'abusefilter-test-period-start', |
| 145 | 'type' => 'datetime', |
| 146 | 'min' => $min, |
| 147 | 'max' => $max, |
| 148 | ], |
| 149 | 'SearchPeriodEnd' => [ |
| 150 | 'label-message' => 'abusefilter-test-period-end', |
| 151 | 'type' => 'datetime', |
| 152 | 'min' => $min, |
| 153 | 'max' => $max, |
| 154 | ], |
| 155 | ]; |
| 156 | HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() ) |
| 157 | ->addHiddenField( 'testfilter', $this->testFilter ) |
| 158 | ->setWrapperLegendMsg( 'abusefilter-examine-legend' ) |
| 159 | ->setSubmitTextMsg( 'abusefilter-examine-submit' ) |
| 160 | ->setSubmitCallback( [ $this, 'showResults' ] ) |
| 161 | ->showAlways(); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Show search results, called as submit callback by HTMLForm |
| 166 | * @param array $formData |
| 167 | * @param HTMLForm $form |
| 168 | * @return bool |
| 169 | */ |
| 170 | public function showResults( array $formData, HTMLForm $form ): bool { |
| 171 | $changesList = new AbuseFilterChangesList( $this->getContext(), $this->testFilter ); |
| 172 | |
| 173 | $dbr = $this->lbFactory->getReplicaDatabase(); |
| 174 | $conds = $this->buildVisibilityConditions( $dbr, $this->getAuthority() ); |
| 175 | $conds[] = $this->buildTestConditions( $dbr ); |
| 176 | |
| 177 | // Normalise username |
| 178 | $userTitle = Title::newFromText( $formData['SearchUser'], NS_USER ); |
| 179 | $userName = $userTitle ? $userTitle->getText() : ''; |
| 180 | |
| 181 | if ( $userName !== '' ) { |
| 182 | $rcQuery = RecentChange::getQueryInfo(); |
| 183 | $conds[$rcQuery['fields']['rc_user_text']] = $userName; |
| 184 | } |
| 185 | |
| 186 | $startTS = strtotime( $formData['SearchPeriodStart'] ); |
| 187 | if ( $startTS ) { |
| 188 | $conds[] = 'rc_timestamp>=' . $dbr->addQuotes( $dbr->timestamp( $startTS ) ); |
| 189 | } |
| 190 | $endTS = strtotime( $formData['SearchPeriodEnd'] ); |
| 191 | if ( $endTS ) { |
| 192 | $conds[] = 'rc_timestamp<=' . $dbr->addQuotes( $dbr->timestamp( $endTS ) ); |
| 193 | } |
| 194 | $pager = new AbuseFilterExaminePager( |
| 195 | $changesList, |
| 196 | $this->linkRenderer, |
| 197 | $dbr, |
| 198 | $this->getTitle( 'examine' ), |
| 199 | $conds |
| 200 | ); |
| 201 | |
| 202 | $output = $changesList->beginRecentChangesList() |
| 203 | . $pager->getNavigationBar() |
| 204 | . $pager->getBody() |
| 205 | . $pager->getNavigationBar() |
| 206 | . $changesList->endRecentChangesList(); |
| 207 | |
| 208 | $form->addPostHtml( $output ); |
| 209 | return true; |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * @param int $rcid |
| 214 | */ |
| 215 | public function showExaminerForRC( $rcid ) { |
| 216 | // Get data |
| 217 | $rc = RecentChange::newFromId( $rcid ); |
| 218 | $out = $this->getOutput(); |
| 219 | if ( !$rc ) { |
| 220 | $out->addWikiMsg( 'abusefilter-examine-notfound' ); |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | if ( !ChangesList::userCan( $rc, RevisionRecord::SUPPRESSED_ALL ) ) { |
| 225 | $out->addWikiMsg( 'abusefilter-log-details-hidden-implicit' ); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | $varGenerator = $this->varGeneratorFactory->newRCGenerator( $rc, $this->getUser() ); |
| 230 | $vars = $varGenerator->getVars() ?: new VariableHolder(); |
| 231 | $out->addJsConfigVars( [ |
| 232 | 'wgAbuseFilterVariables' => $this->varManager->dumpAllVars( $vars, true ), |
| 233 | 'abuseFilterExamine' => [ 'type' => 'rc', 'id' => $rcid ] |
| 234 | ] ); |
| 235 | |
| 236 | $this->showExaminer( $vars ); |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * @param int $logid |
| 241 | */ |
| 242 | public function showExaminerForLogEntry( $logid ) { |
| 243 | // Get data |
| 244 | $dbr = $this->lbFactory->getReplicaDatabase(); |
| 245 | $performer = $this->getAuthority(); |
| 246 | $out = $this->getOutput(); |
| 247 | |
| 248 | $row = $dbr->selectRow( |
| 249 | 'abuse_filter_log', |
| 250 | [ |
| 251 | 'afl_deleted', |
| 252 | 'afl_var_dump', |
| 253 | 'afl_rev_id', |
| 254 | 'afl_filter_id', |
| 255 | 'afl_global' |
| 256 | ], |
| 257 | [ 'afl_id' => $logid ], |
| 258 | __METHOD__ |
| 259 | ); |
| 260 | |
| 261 | if ( !$row ) { |
| 262 | $out->addWikiMsg( 'abusefilter-examine-notfound' ); |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | try { |
| 267 | $isHidden = $this->filterLookup->getFilter( $row->afl_filter_id, $row->afl_global )->isHidden(); |
| 268 | } catch ( CentralDBNotAvailableException $_ ) { |
| 269 | // Conservatively assume that it's hidden, like in SpecialAbuseLog |
| 270 | $isHidden = true; |
| 271 | } |
| 272 | if ( !$this->afPermManager->canSeeLogDetailsForFilter( $performer, $isHidden ) ) { |
| 273 | $out->addWikiMsg( 'abusefilter-log-cannot-see-details' ); |
| 274 | return; |
| 275 | } |
| 276 | |
| 277 | $visibility = SpecialAbuseLog::getEntryVisibilityForUser( $row, $performer, $this->afPermManager ); |
| 278 | if ( $visibility !== SpecialAbuseLog::VISIBILITY_VISIBLE ) { |
| 279 | if ( $visibility === SpecialAbuseLog::VISIBILITY_HIDDEN ) { |
| 280 | $msg = 'abusefilter-log-details-hidden'; |
| 281 | } elseif ( $visibility === SpecialAbuseLog::VISIBILITY_HIDDEN_IMPLICIT ) { |
| 282 | $msg = 'abusefilter-log-details-hidden-implicit'; |
| 283 | } else { |
| 284 | throw new LogicException( "Unexpected visibility $visibility" ); |
| 285 | } |
| 286 | $out->addWikiMsg( $msg ); |
| 287 | return; |
| 288 | } |
| 289 | |
| 290 | $vars = $this->varBlobStore->loadVarDump( $row->afl_var_dump ); |
| 291 | $out->addJsConfigVars( [ |
| 292 | 'wgAbuseFilterVariables' => $this->varManager->dumpAllVars( $vars, true ), |
| 293 | 'abuseFilterExamine' => [ 'type' => 'log', 'id' => $logid ] |
| 294 | ] ); |
| 295 | $this->showExaminer( $vars ); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * @param VariableHolder|null $vars |
| 300 | */ |
| 301 | public function showExaminer( ?VariableHolder $vars ) { |
| 302 | $output = $this->getOutput(); |
| 303 | $output->enableOOUI(); |
| 304 | |
| 305 | if ( !$vars ) { |
| 306 | $output->addWikiMsg( 'abusefilter-examine-incompatible' ); |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | $html = ''; |
| 311 | |
| 312 | $output->addModules( 'ext.abuseFilter.examine' ); |
| 313 | |
| 314 | // Add test bit |
| 315 | if ( $this->afPermManager->canUseTestTools( $this->getAuthority() ) ) { |
| 316 | $boxBuilder = $this->boxBuilderFactory->newEditBoxBuilder( |
| 317 | $this, |
| 318 | $this->getAuthority(), |
| 319 | $output |
| 320 | ); |
| 321 | |
| 322 | $tester = Xml::tags( 'h2', null, $this->msg( 'abusefilter-examine-test' )->parse() ); |
| 323 | $tester .= $boxBuilder->buildEditBox( $this->testFilter, false, false, false ); |
| 324 | $tester .= $this->buildFilterLoader(); |
| 325 | $html .= Xml::tags( 'div', [ 'id' => 'mw-abusefilter-examine-editor' ], $tester ); |
| 326 | $html .= Xml::tags( 'p', |
| 327 | null, |
| 328 | new OOUI\ButtonInputWidget( |
| 329 | [ |
| 330 | 'label' => $this->msg( 'abusefilter-examine-test-button' )->text(), |
| 331 | 'id' => 'mw-abusefilter-examine-test', |
| 332 | 'flags' => [ 'primary', 'progressive' ] |
| 333 | ] |
| 334 | ) . |
| 335 | Xml::element( 'div', |
| 336 | [ |
| 337 | 'id' => 'mw-abusefilter-syntaxresult', |
| 338 | 'style' => 'display: none;' |
| 339 | ], ' ' |
| 340 | ) |
| 341 | ); |
| 342 | } |
| 343 | |
| 344 | // Variable dump |
| 345 | $html .= Xml::tags( |
| 346 | 'h2', |
| 347 | null, |
| 348 | $this->msg( 'abusefilter-examine-vars' )->parse() |
| 349 | ); |
| 350 | $html .= $this->variablesFormatter->buildVarDumpTable( $vars ); |
| 351 | |
| 352 | $output->addHTML( $html ); |
| 353 | } |
| 354 | |
| 355 | } |