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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\MassMessage\Specials; |
| 4 | |
| 5 | use ContentHandler; |
| 6 | use HTMLForm; |
| 7 | use MediaWiki\EditPage\EditPage; |
| 8 | use MediaWiki\Html\Html; |
| 9 | use MediaWiki\MassMessage\Lookup\SpamlistLookup; |
| 10 | use MediaWiki\MassMessage\MassMessage; |
| 11 | use MediaWiki\MassMessage\MessageBuilder; |
| 12 | use MediaWiki\MassMessage\MessageContentFetcher\LabeledSectionContentFetcher; |
| 13 | use MediaWiki\MassMessage\MessageContentFetcher\LocalMessageContentFetcher; |
| 14 | use MediaWiki\MassMessage\PageMessage\PageMessageBuilder; |
| 15 | use MediaWiki\MassMessage\RequestProcessing\MassMessageRequest; |
| 16 | use MediaWiki\MassMessage\RequestProcessing\MassMessageRequestParser; |
| 17 | use MediaWiki\MediaWikiServices; |
| 18 | use MediaWiki\SpecialPage\FormSpecialPage; |
| 19 | use MediaWiki\Status\Status; |
| 20 | use MediaWiki\Title\Title; |
| 21 | use MediaWiki\WikiMap\WikiMap; |
| 22 | use Message; |
| 23 | use OOUI\FieldsetLayout; |
| 24 | use OOUI\HtmlSnippet; |
| 25 | use OOUI\PanelLayout; |
| 26 | use OOUI\Widget; |
| 27 | use TextContent; |
| 28 | |
| 29 | /** |
| 30 | * Form to allow users to send messages to a lot of users at once. |
| 31 | * |
| 32 | * @author Kunal Mehta |
| 33 | * @license GPL-2.0-or-later |
| 34 | */ |
| 35 | |
| 36 | class SpecialMassMessage extends FormSpecialPage { |
| 37 | /** @var Status */ |
| 38 | protected $status; |
| 39 | /** @var string */ |
| 40 | protected $state; |
| 41 | /** @var int */ |
| 42 | protected $count; |
| 43 | /** @var LocalMessageContentFetcher */ |
| 44 | private $localMessageContentFetcher; |
| 45 | /** @var LabeledSectionContentFetcher */ |
| 46 | private $labeledSectionContentFetcher; |
| 47 | /** @var MessageBuilder */ |
| 48 | private $messageBuilder; |
| 49 | /** @var PageMessageBuilder */ |
| 50 | private $pageMessageBuilder; |
| 51 | |
| 52 | /** |
| 53 | * @param LabeledSectionContentFetcher $labeledSectionContentFetcher |
| 54 | * @param LocalMessageContentFetcher $localMessageContentFetcher |
| 55 | * @param PageMessageBuilder $pageMessageBuilder |
| 56 | */ |
| 57 | public function __construct( |
| 58 | LabeledSectionContentFetcher $labeledSectionContentFetcher, |
| 59 | LocalMessageContentFetcher $localMessageContentFetcher, |
| 60 | PageMessageBuilder $pageMessageBuilder |
| 61 | ) { |
| 62 | parent::__construct( 'MassMessage', 'massmessage' ); |
| 63 | $this->labeledSectionContentFetcher = $labeledSectionContentFetcher; |
| 64 | $this->localMessageContentFetcher = $localMessageContentFetcher; |
| 65 | $this->messageBuilder = new MessageBuilder(); |
| 66 | $this->pageMessageBuilder = $pageMessageBuilder; |
| 67 | } |
| 68 | |
| 69 | public function doesWrites() { |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | /** @inheritDoc */ |
| 74 | public function execute( $par ) { |
| 75 | $request = $this->getRequest(); |
| 76 | $output = $this->getOutput(); |
| 77 | |
| 78 | $this->addHelpLink( 'Help:Extension:MassMessage' ); |
| 79 | |
| 80 | $output->addModules( 'ext.MassMessage.special.js' ); |
| 81 | $output->addModuleStyles( 'ext.MassMessage.styles' ); |
| 82 | |
| 83 | // Some variables... |
| 84 | $this->status = new Status(); |
| 85 | |
| 86 | // Figure out what state we're in. |
| 87 | if ( $request->getCheck( 'submit-button' ) ) { |
| 88 | $this->state = 'submit'; |
| 89 | } elseif ( $request->getCheck( 'preview-button' ) ) { |
| 90 | $this->state = 'preview'; |
| 91 | } else { |
| 92 | $this->state = 'form'; |
| 93 | } |
| 94 | |
| 95 | parent::execute( $par ); |
| 96 | } |
| 97 | |
| 98 | /** @inheritDoc */ |
| 99 | protected function alterForm( HTMLForm $form ) { |
| 100 | if ( $this->state === 'form' ) { |
| 101 | $form->addPreHtml( $this->msg( 'massmessage-form-header' )->parse() ); |
| 102 | } |
| 103 | return $form |
| 104 | ->setId( 'mw-massmessage-form' ) |
| 105 | ->setWrapperLegendMsg( 'massmessage' ) |
| 106 | // We use our own buttons, so supress the default one. |
| 107 | ->suppressDefaultSubmit() |
| 108 | ->setMethod( 'post' ); |
| 109 | } |
| 110 | |
| 111 | /** @inheritDoc */ |
| 112 | protected function getDisplayFormat() { |
| 113 | return 'ooui'; |
| 114 | } |
| 115 | |
| 116 | /** @inheritDoc */ |
| 117 | public function onSuccess() { |
| 118 | if ( $this->state === 'submit' ) { |
| 119 | $output = $this->getOutput(); |
| 120 | $output->addWikiMsg( |
| 121 | 'massmessage-submitted', |
| 122 | Message::numParam( $this->count ) |
| 123 | ); |
| 124 | $output->addWikiMsg( 'massmessage-nextsteps' ); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /** @return string */ |
| 129 | public function getState() { |
| 130 | return $this->state; |
| 131 | } |
| 132 | |
| 133 | /** @return Status */ |
| 134 | public function getStatus() { |
| 135 | return $this->status; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Note that this won't be initalized unless submit is called. |
| 140 | * |
| 141 | * @return int |
| 142 | */ |
| 143 | public function getCount() { |
| 144 | return $this->count; |
| 145 | } |
| 146 | |
| 147 | /** @inheritDoc */ |
| 148 | protected function getFormFields() { |
| 149 | $request = $this->getRequest(); |
| 150 | $controlTabIndex = 1; |
| 151 | |
| 152 | $isPreview = $this->state === 'preview'; |
| 153 | |
| 154 | $m = []; |
| 155 | // Who to send to |
| 156 | $m['spamlist'] = [ |
| 157 | 'id' => 'mw-massmessage-form-spamlist', |
| 158 | 'name' => 'spamlist', |
| 159 | 'type' => 'title', |
| 160 | 'tabindex' => $controlTabIndex++, |
| 161 | 'label-message' => 'massmessage-form-spamlist', |
| 162 | 'default' => $request->getText( 'spamlist' ) |
| 163 | ]; |
| 164 | // The subject line |
| 165 | $m['subject'] = [ |
| 166 | 'id' => 'mw-massmessage-form-subject', |
| 167 | 'name' => 'subject', |
| 168 | 'type' => 'text', |
| 169 | 'tabindex' => $controlTabIndex++, |
| 170 | 'label-message' => 'massmessage-form-subject', |
| 171 | 'default' => $request->getText( 'subject' ), |
| 172 | 'help-message' => 'massmessage-form-subject-help', |
| 173 | 'maxlength' => 240 |
| 174 | ]; |
| 175 | |
| 176 | // The page to sent as message |
| 177 | $m['page-message'] = [ |
| 178 | 'id' => 'mw-massmessage-form-page', |
| 179 | 'name' => 'page-message', |
| 180 | 'type' => 'title', |
| 181 | 'tabindex' => $controlTabIndex++, |
| 182 | 'label-message' => 'massmessage-form-page', |
| 183 | 'default' => $request->getText( 'page-message' ), |
| 184 | 'help-message' => 'massmessage-form-page-help', |
| 185 | 'required' => false |
| 186 | ]; |
| 187 | |
| 188 | $options = [ '----' => '' ]; |
| 189 | $pagename = $request->getText( 'page-message' ); |
| 190 | if ( trim( $pagename ) !== '' ) { |
| 191 | $sections = $this->getLabeledSections( $pagename ); |
| 192 | $options += array_combine( $sections, $sections ); |
| 193 | } |
| 194 | |
| 195 | $m['page-subject-section'] = [ |
| 196 | 'id' => 'mw-massmessage-form-page-subject-section', |
| 197 | 'name' => 'page-subject-section', |
| 198 | 'type' => 'select', |
| 199 | 'options' => $options, |
| 200 | 'tabindex' => $controlTabIndex++, |
| 201 | 'disabled' => !$isPreview, |
| 202 | 'label-message' => 'massmessage-form-page-subject-section', |
| 203 | 'default' => $request->getText( 'page-subject-section' ), |
| 204 | 'help-message' => 'massmessage-form-page-subject-section-help', |
| 205 | ]; |
| 206 | |
| 207 | $m['page-message-section'] = [ |
| 208 | 'id' => 'mw-massmessage-form-page-section', |
| 209 | 'name' => 'page-message-section', |
| 210 | 'type' => 'select', |
| 211 | 'options' => $options, |
| 212 | 'tabindex' => $controlTabIndex++, |
| 213 | 'disabled' => !$isPreview, |
| 214 | 'label-message' => 'massmessage-form-page-message-section', |
| 215 | 'default' => $request->getText( 'page-message-section' ), |
| 216 | 'help-message' => 'massmessage-form-page-message-section-help', |
| 217 | ]; |
| 218 | |
| 219 | // The message to send |
| 220 | $m['message'] = [ |
| 221 | 'id' => 'mw-massmessage-form-message', |
| 222 | 'name' => 'message', |
| 223 | 'type' => 'textarea', |
| 224 | 'tabindex' => $controlTabIndex++, |
| 225 | 'label-message' => 'massmessage-form-message', |
| 226 | 'default' => $request->getText( 'message' ) |
| 227 | ]; |
| 228 | |
| 229 | // If we're previewing a message and there are no errors, show the copyright warning and |
| 230 | // the submit button. |
| 231 | if ( $isPreview ) { |
| 232 | $requestParser = new MassMessageRequestParser(); |
| 233 | $data = [ |
| 234 | 'spamlist' => $request->getText( 'spamlist' ), |
| 235 | 'subject' => $request->getText( 'subject' ), |
| 236 | 'page-message' => $request->getText( 'page-message' ), |
| 237 | 'page-message-section' => $request->getText( 'page-message-section' ), |
| 238 | 'page-subject-section' => $request->getText( 'page-subject-section' ), |
| 239 | 'message' => $request->getText( 'message' ) |
| 240 | ]; |
| 241 | $status = $requestParser->parseRequest( $data, $this->getUser() ); |
| 242 | if ( $status->isOK() ) { |
| 243 | $m['message']['help'] = EditPage::getCopyrightWarning( |
| 244 | $this->getPageTitle( false ), |
| 245 | 'parse', |
| 246 | $this |
| 247 | ); |
| 248 | $m['submit-button'] = [ |
| 249 | 'id' => 'mw-massmessage-form-submit-button', |
| 250 | 'name' => 'submit-button', |
| 251 | 'type' => 'submit', |
| 252 | 'tabindex' => $controlTabIndex++, |
| 253 | 'default' => $this->msg( 'massmessage-form-submit' )->text() |
| 254 | ]; |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | $m['preview-button'] = [ |
| 259 | 'id' => 'mw-massmessage-form-preview-button', |
| 260 | 'name' => 'preview-button', |
| 261 | 'type' => 'submit', |
| 262 | 'tabindex' => $controlTabIndex++, |
| 263 | 'default' => $this->msg( 'massmessage-form-preview' )->text() |
| 264 | ]; |
| 265 | |
| 266 | return $m; |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Callback function. |
| 271 | * Does some basic verification of data. |
| 272 | * Decides whether to show the preview screen or the submitted message. |
| 273 | * |
| 274 | * @inheritDoc |
| 275 | * @return Status|bool |
| 276 | */ |
| 277 | public function onSubmit( array $data ) { |
| 278 | $requestParser = new MassMessageRequestParser(); |
| 279 | $this->status = $requestParser->parseRequest( $data, $this->getUser() ); |
| 280 | |
| 281 | // Die on errors. |
| 282 | if ( !$this->status->isOK() ) { |
| 283 | $this->state = 'form'; |
| 284 | return $this->status; |
| 285 | } |
| 286 | |
| 287 | if ( $this->state === 'submit' ) { |
| 288 | $this->count = MassMessage::submit( $this->getUser(), $this->status->getValue() ); |
| 289 | return $this->status; |
| 290 | } else { |
| 291 | // $this->state can only be 'preview' here |
| 292 | $this->preview( $this->status->getValue() ); |
| 293 | // No submission attempted |
| 294 | return false; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Returns an array containing possibly unclosed HTML tags in $message. |
| 300 | * |
| 301 | * TODO: Use an HTML parser instead of regular expressions |
| 302 | * |
| 303 | * @param string $message |
| 304 | * @return string[] |
| 305 | */ |
| 306 | protected function getUnclosedTags( $message ) { |
| 307 | // For start tags, ignore ones that contain '/' (assume those are self-closing). |
| 308 | if ( !preg_match_all( '|\<([\w]+)[^/]*?>|', $message, $startTags ) && |
| 309 | !preg_match_all( '|\</([\w]+)|', $message, $endTags ) |
| 310 | ) { |
| 311 | return []; |
| 312 | } |
| 313 | |
| 314 | // Keep just the element names from the matched patterns. |
| 315 | $startTags = $startTags[1]; |
| 316 | $endTags = $endTags[1] ?? []; |
| 317 | |
| 318 | // Construct a set containing elements that do not need an end tag. |
| 319 | // List obtained from http://www.w3.org/TR/html-markup/syntax.html#syntax-elements |
| 320 | $voidElements = array_flip( [ 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', |
| 321 | 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr' ] ); |
| 322 | |
| 323 | // Count start / end tags for each element, ignoring start tags of void elements. |
| 324 | $tags = []; |
| 325 | foreach ( $startTags as $tag ) { |
| 326 | if ( !isset( $voidElements[$tag] ) ) { |
| 327 | if ( !isset( $tags[$tag] ) ) { |
| 328 | $tags[$tag] = 1; |
| 329 | } else { |
| 330 | $tags[$tag]++; |
| 331 | } |
| 332 | } |
| 333 | } |
| 334 | foreach ( $endTags as $tag ) { |
| 335 | if ( !isset( $tags[$tag] ) ) { |
| 336 | $tags[$tag] = -1; |
| 337 | } else { |
| 338 | $tags[$tag]--; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | $results = []; |
| 343 | foreach ( $tags as $element => $num ) { |
| 344 | if ( $num > 0 ) { |
| 345 | $results[] = '<' . $element . '>'; |
| 346 | } elseif ( $num < 0 ) { |
| 347 | $results[] = '</' . $element . '>'; |
| 348 | } |
| 349 | } |
| 350 | return $results; |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * A preview/confirmation screen. |
| 355 | * The preview generation code was hacked up from EditPage.php. |
| 356 | * |
| 357 | * @param MassMessageRequest $request |
| 358 | */ |
| 359 | protected function preview( MassMessageRequest $request ) { |
| 360 | $this->getOutput()->addWikiMsg( 'massmessage-just-preview' ); |
| 361 | |
| 362 | // Output the number of recipients |
| 363 | $targets = SpamlistLookup::getTargets( $request->getSpamList() ); |
| 364 | $infoMessages = [ |
| 365 | $this->msg( 'massmessage-preview-count' )->numParams( count( $targets ) )->parse() |
| 366 | ]; |
| 367 | |
| 368 | $pageMessage = null; |
| 369 | $pageSubject = null; |
| 370 | if ( $request->hasPageMessage() ) { |
| 371 | $pageTitle = $this->localMessageContentFetcher |
| 372 | ->getTitle( $request->getPageMessage() ) |
| 373 | ->getValue(); |
| 374 | |
| 375 | if ( MassMessage::isSourceTranslationPage( $pageTitle ) ) { |
| 376 | $infoMessages[] = $this->msg( 'massmessage-translate-page-info' )->parse(); |
| 377 | } |
| 378 | |
| 379 | $pageMessageBuilderResult = $this->pageMessageBuilder->getContent( |
| 380 | $pageTitle, |
| 381 | $request->getPageMessageSection(), |
| 382 | $request->getPageSubjectSection(), |
| 383 | WikiMap::getCurrentWikiId() |
| 384 | ); |
| 385 | |
| 386 | if ( $pageMessageBuilderResult->isOK() ) { |
| 387 | $pageMessage = $pageMessageBuilderResult->getPageMessage(); |
| 388 | $pageSubject = $pageMessageBuilderResult->getPageSubject(); |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | $this->showPreviewInfo( $infoMessages ); |
| 393 | |
| 394 | $messageText = $this->messageBuilder->buildMessage( |
| 395 | $request->getMessage(), |
| 396 | $pageMessage, |
| 397 | // This forces language wrapping always. Good for clarity |
| 398 | null, |
| 399 | $request->getComment() |
| 400 | ); |
| 401 | |
| 402 | $subjectText = $this->messageBuilder->buildSubject( |
| 403 | $request->getSubject(), |
| 404 | $pageSubject, |
| 405 | // This forces language wrapping always. Good for clarity |
| 406 | null |
| 407 | ); |
| 408 | |
| 409 | // Use a mock target as the context for rendering the preview |
| 410 | $mockTarget = Title::makeTitle( NS_PROJECT, 'MassMessage:A page that should not exist' ); |
| 411 | $services = MediaWikiServices::getInstance(); |
| 412 | $wikipage = $services->getWikiPageFactory()->newFromTitle( $mockTarget ); |
| 413 | |
| 414 | // Convert into a content object |
| 415 | $content = ContentHandler::makeContent( $messageText, $mockTarget ); |
| 416 | // Parser stuff. Taken from EditPage::getPreviewText() |
| 417 | $parserOptions = $wikipage->makeParserOptions( $this->getContext() ); |
| 418 | $parserOptions->setIsPreview( true ); |
| 419 | $parserOptions->setIsSectionPreview( false ); |
| 420 | $content = $content->addSectionHeader( $subjectText ); |
| 421 | |
| 422 | // Hooks not being run: EditPageGetPreviewContent, EditPageGetPreviewText |
| 423 | $contentTransformer = $services->getContentTransformer(); |
| 424 | $content = $contentTransformer->preSaveTransform( |
| 425 | $content, |
| 426 | $mockTarget, |
| 427 | MassMessage::getMessengerUser(), |
| 428 | $parserOptions |
| 429 | ); |
| 430 | $contentRenderer = $services->getContentRenderer(); |
| 431 | $parserOutput = $contentRenderer->getParserOutput( $content, $mockTarget, null, $parserOptions ); |
| 432 | $previewLayout = new PanelLayout( [ |
| 433 | 'content' => new FieldsetLayout( [ |
| 434 | 'label' => $this->msg( 'massmessage-fieldset-preview' )->text(), |
| 435 | 'items' => [ |
| 436 | new Widget( [ |
| 437 | 'content' => new HtmlSnippet( |
| 438 | $parserOutput->getText( [ 'enableSectionEditLinks' => false ] ) |
| 439 | ), |
| 440 | ] ), |
| 441 | ], |
| 442 | ] ), |
| 443 | 'expanded' => false, |
| 444 | 'framed' => true, |
| 445 | 'padded' => true, |
| 446 | ] ); |
| 447 | $this->getOutput()->addHTML( $previewLayout ); |
| 448 | |
| 449 | $wikitextPreviewLayout = new PanelLayout( [ |
| 450 | 'content' => [ |
| 451 | new FieldsetLayout( [ |
| 452 | 'label' => $this->msg( 'massmessage-fieldset-wikitext-preview' )->text(), |
| 453 | 'items' => [ |
| 454 | new Widget( [ |
| 455 | 'content' => new HtmlSnippet( |
| 456 | // @phan-suppress-next-next-line SecurityCheck-DoubleEscaped |
| 457 | // Intentionally including escaped HTML tags in the output |
| 458 | Html::element( 'pre', [], "== {$subjectText} ==\n\n$messageText" ) |
| 459 | ), |
| 460 | ] ), |
| 461 | ], |
| 462 | ] ), |
| 463 | ], |
| 464 | 'expanded' => false, |
| 465 | 'framed' => true, |
| 466 | 'padded' => true, |
| 467 | ] ); |
| 468 | $this->getOutput()->addHTML( $wikitextPreviewLayout ); |
| 469 | |
| 470 | // Check if we have unescaped langlinks (Bug 54846) |
| 471 | if ( $parserOutput->getLanguageLinks() ) { |
| 472 | $this->status->fatal( 'massmessage-unescaped-langlinks' ); |
| 473 | } |
| 474 | |
| 475 | // Check for unclosed HTML tags (Bug 54909) |
| 476 | $unclosedTags = $this->getUnclosedTags( $request->getMessage() ); |
| 477 | if ( $unclosedTags ) { |
| 478 | $this->status->fatal( |
| 479 | $this->msg( 'massmessage-badhtml' ) |
| 480 | ->params( $this->getLanguage()->commaList( |
| 481 | array_map( 'htmlspecialchars', $unclosedTags ) |
| 482 | ) ) |
| 483 | ->numParams( count( $unclosedTags ) ) |
| 484 | ); |
| 485 | } |
| 486 | |
| 487 | /** @var TextContent $content */ |
| 488 | '@phan-var TextContent $content'; |
| 489 | // Check for no timestamp (Bug 54848) |
| 490 | if ( !preg_match( MassMessage::getTimestampRegex(), $content->getText() ) ) { |
| 491 | $this->status->fatal( 'massmessage-no-timestamp' ); |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * @param array $infoMessages |
| 497 | */ |
| 498 | protected function showPreviewInfo( array $infoMessages ) { |
| 499 | $infoListHtml = $infoMessages[0]; |
| 500 | if ( count( $infoMessages ) > 1 ) { |
| 501 | $infoListHtml = '<ul>'; |
| 502 | foreach ( $infoMessages as $info ) { |
| 503 | $infoListHtml .= '<li>' . $info . '</li>'; |
| 504 | } |
| 505 | $infoListHtml .= '</ul>'; |
| 506 | } |
| 507 | |
| 508 | $infoLayout = new PanelLayout( [ |
| 509 | 'content' => new FieldsetLayout( [ |
| 510 | 'label' => $this->msg( 'massmessage-fieldset-info' )->text(), |
| 511 | 'items' => [ |
| 512 | new Widget( [ |
| 513 | 'content' => new HtmlSnippet( $infoListHtml ) |
| 514 | ] ), |
| 515 | ], |
| 516 | ] ), |
| 517 | 'expanded' => false, |
| 518 | 'framed' => true, |
| 519 | 'padded' => true, |
| 520 | ] ); |
| 521 | |
| 522 | $this->getOutput()->addHTML( $infoLayout ); |
| 523 | } |
| 524 | |
| 525 | /** |
| 526 | * Get sections given a page name. |
| 527 | * |
| 528 | * @param string $pagename |
| 529 | * @return string[] |
| 530 | */ |
| 531 | private function getLabeledSections( string $pagename ): array { |
| 532 | $pageTitle = Title::newFromText( $pagename ); |
| 533 | if ( $pageTitle ) { |
| 534 | $status = $this->localMessageContentFetcher->getContent( $pageTitle ); |
| 535 | if ( $status->isOK() ) { |
| 536 | return $this->labeledSectionContentFetcher->getSections( |
| 537 | $status->getValue()->getWikitext() |
| 538 | ); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | return []; |
| 543 | } |
| 544 | } |