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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 | * @file |
| 19 | * @ingroup SpecialPage |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\Specials; |
| 23 | |
| 24 | use ChangeTagsList; |
| 25 | use ErrorPageError; |
| 26 | use LogEventsList; |
| 27 | use LogPage; |
| 28 | use MediaWiki\ChangeTags\ChangeTagsStore; |
| 29 | use MediaWiki\CommentStore\CommentStore; |
| 30 | use MediaWiki\Html\Html; |
| 31 | use MediaWiki\Permissions\PermissionManager; |
| 32 | use MediaWiki\SpecialPage\SpecialPage; |
| 33 | use MediaWiki\SpecialPage\UnlistedSpecialPage; |
| 34 | use MediaWiki\Status\Status; |
| 35 | use MediaWiki\Title\Title; |
| 36 | use RevisionDeleter; |
| 37 | use UserBlockedError; |
| 38 | use Xml; |
| 39 | use XmlSelect; |
| 40 | |
| 41 | /** |
| 42 | * Special page for adding and removing change tags to individual revisions. |
| 43 | * A lot of this is copied out of SpecialRevisiondelete. |
| 44 | * |
| 45 | * @ingroup SpecialPage |
| 46 | * @since 1.25 |
| 47 | */ |
| 48 | class SpecialEditTags extends UnlistedSpecialPage { |
| 49 | /** @var bool Was the DB modified in this request */ |
| 50 | protected $wasSaved = false; |
| 51 | |
| 52 | /** @var bool True if the submit button was clicked, and the form was posted */ |
| 53 | private $submitClicked; |
| 54 | |
| 55 | /** @var array Target ID list */ |
| 56 | private $ids; |
| 57 | |
| 58 | /** @var Title Title object for target parameter */ |
| 59 | private $targetObj; |
| 60 | |
| 61 | /** @var string Deletion type, may be revision or logentry */ |
| 62 | private $typeName; |
| 63 | |
| 64 | /** @var ChangeTagsList Storing the list of items to be tagged */ |
| 65 | private $revList; |
| 66 | |
| 67 | /** @var string */ |
| 68 | private $reason; |
| 69 | |
| 70 | private PermissionManager $permissionManager; |
| 71 | private ChangeTagsStore $changeTagsStore; |
| 72 | |
| 73 | /** |
| 74 | * @inheritDoc |
| 75 | * |
| 76 | * @param PermissionManager $permissionManager |
| 77 | */ |
| 78 | public function __construct( PermissionManager $permissionManager, ChangeTagsStore $changeTagsStore ) { |
| 79 | parent::__construct( 'EditTags', 'changetags' ); |
| 80 | |
| 81 | $this->permissionManager = $permissionManager; |
| 82 | $this->changeTagsStore = $changeTagsStore; |
| 83 | } |
| 84 | |
| 85 | public function doesWrites() { |
| 86 | return true; |
| 87 | } |
| 88 | |
| 89 | public function execute( $par ) { |
| 90 | $this->checkPermissions(); |
| 91 | $this->checkReadOnly(); |
| 92 | |
| 93 | $output = $this->getOutput(); |
| 94 | $user = $this->getUser(); |
| 95 | $request = $this->getRequest(); |
| 96 | |
| 97 | $this->setHeaders(); |
| 98 | $this->outputHeader(); |
| 99 | |
| 100 | $output->addModules( [ 'mediawiki.misc-authed-curate' ] ); |
| 101 | $output->addModuleStyles( [ |
| 102 | 'mediawiki.interface.helpers.styles', |
| 103 | 'mediawiki.special' |
| 104 | ] ); |
| 105 | |
| 106 | $this->submitClicked = $request->wasPosted() && $request->getBool( 'wpSubmit' ); |
| 107 | |
| 108 | // Handle our many different possible input types |
| 109 | $ids = $request->getVal( 'ids' ); |
| 110 | if ( $ids !== null ) { |
| 111 | // Allow CSV from the form hidden field, or a single ID for show/hide links |
| 112 | $this->ids = explode( ',', $ids ); |
| 113 | } else { |
| 114 | // Array input |
| 115 | $this->ids = array_keys( $request->getArray( 'ids', [] ) ); |
| 116 | } |
| 117 | $this->ids = array_unique( array_filter( $this->ids ) ); |
| 118 | |
| 119 | // No targets? |
| 120 | if ( count( $this->ids ) == 0 ) { |
| 121 | throw new ErrorPageError( 'tags-edit-nooldid-title', 'tags-edit-nooldid-text' ); |
| 122 | } |
| 123 | |
| 124 | $this->typeName = $request->getVal( 'type' ); |
| 125 | $this->targetObj = Title::newFromText( $request->getText( 'target' ) ); |
| 126 | |
| 127 | switch ( $this->typeName ) { |
| 128 | case 'logentry': |
| 129 | case 'logging': |
| 130 | $this->typeName = 'logentry'; |
| 131 | break; |
| 132 | default: |
| 133 | $this->typeName = 'revision'; |
| 134 | break; |
| 135 | } |
| 136 | |
| 137 | // Allow the list type to adjust the passed target |
| 138 | // Yuck! Copied straight out of SpecialRevisiondelete, but it does exactly |
| 139 | // what we want |
| 140 | $this->targetObj = RevisionDeleter::suggestTarget( |
| 141 | $this->typeName === 'revision' ? 'revision' : 'logging', |
| 142 | $this->targetObj, |
| 143 | $this->ids |
| 144 | ); |
| 145 | |
| 146 | $this->reason = $request->getVal( 'wpReason', '' ); |
| 147 | // We need a target page! |
| 148 | if ( $this->targetObj === null ) { |
| 149 | $output->addWikiMsg( 'undelete-header' ); |
| 150 | return; |
| 151 | } |
| 152 | |
| 153 | // Check blocks |
| 154 | $checkReplica = !$this->submitClicked; |
| 155 | if ( |
| 156 | $this->permissionManager->isBlockedFrom( |
| 157 | $user, |
| 158 | $this->targetObj, |
| 159 | $checkReplica |
| 160 | ) |
| 161 | ) { |
| 162 | throw new UserBlockedError( |
| 163 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable Block is checked and not null |
| 164 | $user->getBlock(), |
| 165 | $user, |
| 166 | $this->getLanguage(), |
| 167 | $request->getIP() |
| 168 | ); |
| 169 | } |
| 170 | |
| 171 | // Give a link to the logs/hist for this page |
| 172 | $this->showConvenienceLinks(); |
| 173 | |
| 174 | // Either submit or create our form |
| 175 | if ( $this->submitClicked ) { |
| 176 | $this->submit(); |
| 177 | } else { |
| 178 | $this->showForm(); |
| 179 | } |
| 180 | |
| 181 | // Show relevant lines from the tag log |
| 182 | $tagLogPage = new LogPage( 'tag' ); |
| 183 | $output->addHTML( "<h2>" . $tagLogPage->getName()->escaped() . "</h2>\n" ); |
| 184 | LogEventsList::showLogExtract( |
| 185 | $output, |
| 186 | 'tag', |
| 187 | $this->targetObj, |
| 188 | '', /* user */ |
| 189 | [ 'lim' => 25, 'conds' => [], 'useMaster' => $this->wasSaved ] |
| 190 | ); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Show some useful links in the subtitle |
| 195 | */ |
| 196 | protected function showConvenienceLinks() { |
| 197 | // Give a link to the logs/hist for this page |
| 198 | if ( $this->targetObj ) { |
| 199 | // Also set header tabs to be for the target. |
| 200 | $this->getSkin()->setRelevantTitle( $this->targetObj ); |
| 201 | |
| 202 | $linkRenderer = $this->getLinkRenderer(); |
| 203 | $links = []; |
| 204 | $links[] = $linkRenderer->makeKnownLink( |
| 205 | SpecialPage::getTitleFor( 'Log' ), |
| 206 | $this->msg( 'viewpagelogs' )->text(), |
| 207 | [], |
| 208 | [ |
| 209 | 'page' => $this->targetObj->getPrefixedText(), |
| 210 | 'wpfilters' => [ 'tag' ], |
| 211 | ] |
| 212 | ); |
| 213 | if ( !$this->targetObj->isSpecialPage() ) { |
| 214 | // Give a link to the page history |
| 215 | $links[] = $linkRenderer->makeKnownLink( |
| 216 | $this->targetObj, |
| 217 | $this->msg( 'pagehist' )->text(), |
| 218 | [], |
| 219 | [ 'action' => 'history' ] |
| 220 | ); |
| 221 | } |
| 222 | // Link to Special:Tags |
| 223 | $links[] = $linkRenderer->makeKnownLink( |
| 224 | SpecialPage::getTitleFor( 'Tags' ), |
| 225 | $this->msg( 'tags-edit-manage-link' )->text() |
| 226 | ); |
| 227 | // Logs themselves don't have histories or archived revisions |
| 228 | $this->getOutput()->addSubtitle( $this->getLanguage()->pipeList( $links ) ); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Get the list object for this request |
| 234 | * @return ChangeTagsList |
| 235 | */ |
| 236 | protected function getList() { |
| 237 | if ( $this->revList === null ) { |
| 238 | $this->revList = ChangeTagsList::factory( $this->typeName, $this->getContext(), |
| 239 | $this->targetObj, $this->ids ); |
| 240 | } |
| 241 | |
| 242 | return $this->revList; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Show a list of items that we will operate on, and show a form which allows |
| 247 | * the user to modify the tags applied to those items. |
| 248 | */ |
| 249 | protected function showForm() { |
| 250 | $out = $this->getOutput(); |
| 251 | // Messages: tags-edit-revision-selected, tags-edit-logentry-selected |
| 252 | $out->wrapWikiMsg( "<strong>$1</strong>", [ |
| 253 | "tags-edit-{$this->typeName}-selected", |
| 254 | $this->getLanguage()->formatNum( count( $this->ids ) ), |
| 255 | $this->targetObj->getPrefixedText() |
| 256 | ] ); |
| 257 | |
| 258 | $this->addHelpLink( 'Help:Tags' ); |
| 259 | $out->addHTML( "<ul>" ); |
| 260 | |
| 261 | $numRevisions = 0; |
| 262 | // Live revisions... |
| 263 | $list = $this->getList(); |
| 264 | for ( $list->reset(); $list->current(); $list->next() ) { |
| 265 | $item = $list->current(); |
| 266 | if ( !$item->canView() ) { |
| 267 | throw new ErrorPageError( 'permissionserrors', 'tags-update-no-permission' ); |
| 268 | } |
| 269 | $numRevisions++; |
| 270 | $out->addHTML( $item->getHTML() ); |
| 271 | } |
| 272 | |
| 273 | if ( !$numRevisions ) { |
| 274 | throw new ErrorPageError( 'tags-edit-nooldid-title', 'tags-edit-nooldid-text' ); |
| 275 | } |
| 276 | |
| 277 | $out->addHTML( "</ul>" ); |
| 278 | // Explanation text |
| 279 | $out->wrapWikiMsg( '<p>$1</p>', "tags-edit-{$this->typeName}-explanation" ); |
| 280 | |
| 281 | // Show form |
| 282 | $form = Html::openElement( 'form', [ 'method' => 'post', |
| 283 | 'action' => $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] ), |
| 284 | 'id' => 'mw-revdel-form-revisions' ] ) . |
| 285 | Xml::fieldset( $this->msg( "tags-edit-{$this->typeName}-legend", |
| 286 | count( $this->ids ) )->text() ) . |
| 287 | $this->buildCheckBoxes() . |
| 288 | Html::openElement( 'table' ) . |
| 289 | "<tr>\n" . |
| 290 | '<td class="mw-label">' . |
| 291 | Html::label( $this->msg( 'tags-edit-reason' )->text(), 'wpReason' ) . |
| 292 | '</td>' . |
| 293 | '<td class="mw-input">' . |
| 294 | Html::element( 'input', [ 'name' => 'wpReason', 'size' => 60, 'value' => $this->reason, |
| 295 | 'id' => 'wpReason', |
| 296 | // HTML maxlength uses "UTF-16 code units", which means that characters outside BMP |
| 297 | // (e.g. emojis) count for two each. This limit is overridden in JS to instead count |
| 298 | // Unicode codepoints. |
| 299 | 'maxlength' => CommentStore::COMMENT_CHARACTER_LIMIT, |
| 300 | ] ) . |
| 301 | '</td>' . |
| 302 | "</tr><tr>\n" . |
| 303 | '<td></td>' . |
| 304 | '<td class="mw-submit">' . |
| 305 | Html::submitButton( $this->msg( "tags-edit-{$this->typeName}-submit", |
| 306 | $numRevisions )->text(), [ 'name' => 'wpSubmit' ] ) . |
| 307 | '</td>' . |
| 308 | "</tr>\n" . |
| 309 | Html::closeElement( 'table' ) . |
| 310 | Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) . |
| 311 | Html::hidden( 'target', $this->targetObj->getPrefixedText() ) . |
| 312 | Html::hidden( 'type', $this->typeName ) . |
| 313 | Html::hidden( 'ids', implode( ',', $this->ids ) ) . |
| 314 | Html::closeElement( 'fieldset' ) . "\n" . |
| 315 | Html::closeElement( 'form' ) . "\n"; |
| 316 | |
| 317 | $out->addHTML( $form ); |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * @return string HTML |
| 322 | */ |
| 323 | protected function buildCheckBoxes() { |
| 324 | // If there is just one item, provide the user with a multi-select field |
| 325 | $list = $this->getList(); |
| 326 | $tags = []; |
| 327 | if ( $list->length() == 1 ) { |
| 328 | $list->reset(); |
| 329 | $tags = $list->current()->getTags(); |
| 330 | if ( $tags ) { |
| 331 | $tags = explode( ',', $tags ); |
| 332 | } else { |
| 333 | $tags = []; |
| 334 | } |
| 335 | |
| 336 | $html = '<table id="mw-edittags-tags-selector">'; |
| 337 | $html .= '<tr><td>' . $this->msg( 'tags-edit-existing-tags' )->escaped() . |
| 338 | '</td><td>'; |
| 339 | if ( $tags ) { |
| 340 | $html .= $this->getLanguage()->commaList( array_map( 'htmlspecialchars', $tags ) ); |
| 341 | } else { |
| 342 | $html .= $this->msg( 'tags-edit-existing-tags-none' )->parse(); |
| 343 | } |
| 344 | $html .= '</td></tr>'; |
| 345 | $tagSelect = $this->getTagSelect( $tags, $this->msg( 'tags-edit-new-tags' )->plain() ); |
| 346 | $html .= '<tr><td>' . $tagSelect[0] . '</td><td>' . $tagSelect[1]; |
| 347 | } else { |
| 348 | // Otherwise, use a multi-select field for adding tags, and a list of |
| 349 | // checkboxes for removing them |
| 350 | |
| 351 | for ( $list->reset(); $list->current(); $list->next() ) { |
| 352 | $currentTags = $list->current()->getTags(); |
| 353 | if ( $currentTags ) { |
| 354 | $tags = array_merge( $tags, explode( ',', $currentTags ) ); |
| 355 | } |
| 356 | } |
| 357 | $tags = array_unique( $tags ); |
| 358 | |
| 359 | $html = '<table id="mw-edittags-tags-selector-multi"><tr><td>'; |
| 360 | $tagSelect = $this->getTagSelect( [], $this->msg( 'tags-edit-add' )->plain() ); |
| 361 | $html .= '<p>' . $tagSelect[0] . '</p>' . $tagSelect[1] . '</td><td>'; |
| 362 | $html .= Html::element( 'p', [], $this->msg( 'tags-edit-remove' )->plain() ); |
| 363 | $html .= Html::element( 'input', [ |
| 364 | 'type' => 'checkbox', 'name' => 'wpRemoveAllTags', 'value' => '1', |
| 365 | 'id' => 'mw-edittags-remove-all' |
| 366 | ] ) . ' ' |
| 367 | . Html::label( $this->msg( 'tags-edit-remove-all-tags' )->plain(), 'mw-edittags-remove-all' ); |
| 368 | $i = 0; // used for generating checkbox IDs only |
| 369 | foreach ( $tags as $tag ) { |
| 370 | $id = 'mw-edittags-remove-' . $i++; |
| 371 | $html .= Html::element( 'br' ) . "\n" . Html::element( 'input', [ |
| 372 | 'type' => 'checkbox', 'name' => 'wpTagsToRemove[]', 'value' => $tag, |
| 373 | 'class' => 'mw-edittags-remove-checkbox', 'id' => $id, |
| 374 | ] ) . ' ' . Html::label( $tag, $id ); |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | // also output the tags currently applied as a hidden form field, so we |
| 379 | // know what to remove from the revision/log entry when the form is submitted |
| 380 | $html .= Html::hidden( 'wpExistingTags', implode( ',', $tags ) ); |
| 381 | $html .= '</td></tr></table>'; |
| 382 | |
| 383 | return $html; |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * Returns a <select multiple> element with a list of change tags that can be |
| 388 | * applied by users. |
| 389 | * |
| 390 | * @param array $selectedTags The tags that should be preselected in the |
| 391 | * list. Any tags in this list, but not in the list returned by |
| 392 | * ChangeTagsStore::listExplicitlyDefinedTags, will be appended to the <select> |
| 393 | * element. |
| 394 | * @param string $label The text of a <label> to precede the <select> |
| 395 | * @return array HTML <label> element at index 0, HTML <select> element at |
| 396 | * index 1 |
| 397 | */ |
| 398 | protected function getTagSelect( $selectedTags, $label ) { |
| 399 | $result = []; |
| 400 | $result[0] = Html::label( $label, 'mw-edittags-tag-list' ); |
| 401 | |
| 402 | $select = new XmlSelect( 'wpTagList[]', 'mw-edittags-tag-list', $selectedTags ); |
| 403 | $select->setAttribute( 'multiple', 'multiple' ); |
| 404 | $select->setAttribute( 'size', '8' ); |
| 405 | |
| 406 | $tags = $this->changeTagsStore->listExplicitlyDefinedTags(); |
| 407 | $tags = array_unique( array_merge( $tags, $selectedTags ) ); |
| 408 | |
| 409 | // Values of $tags are also used as <option> labels |
| 410 | $select->addOptions( array_combine( $tags, $tags ) ); |
| 411 | |
| 412 | $result[1] = $select->getHTML(); |
| 413 | return $result; |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * UI entry point for form submission. |
| 418 | * @return bool |
| 419 | */ |
| 420 | protected function submit() { |
| 421 | // Check edit token on submission |
| 422 | $request = $this->getRequest(); |
| 423 | $token = $request->getVal( 'wpEditToken' ); |
| 424 | if ( $this->submitClicked && !$this->getUser()->matchEditToken( $token ) ) { |
| 425 | $this->getOutput()->addWikiMsg( 'sessionfailure' ); |
| 426 | return false; |
| 427 | } |
| 428 | |
| 429 | // Evaluate incoming request data |
| 430 | $tagList = $request->getArray( 'wpTagList' ) ?? []; |
| 431 | $existingTags = $request->getVal( 'wpExistingTags' ); |
| 432 | if ( $existingTags === null || $existingTags === '' ) { |
| 433 | $existingTags = []; |
| 434 | } else { |
| 435 | $existingTags = explode( ',', $existingTags ); |
| 436 | } |
| 437 | |
| 438 | if ( count( $this->ids ) > 1 ) { |
| 439 | // multiple revisions selected |
| 440 | $tagsToAdd = $tagList; |
| 441 | if ( $request->getBool( 'wpRemoveAllTags' ) ) { |
| 442 | $tagsToRemove = $existingTags; |
| 443 | } else { |
| 444 | $tagsToRemove = $request->getArray( 'wpTagsToRemove', [] ); |
| 445 | } |
| 446 | } else { |
| 447 | // single revision selected |
| 448 | // The user tells us which tags they want associated to the revision. |
| 449 | // We have to figure out which ones to add, and which to remove. |
| 450 | $tagsToAdd = array_diff( $tagList, $existingTags ); |
| 451 | $tagsToRemove = array_diff( $existingTags, $tagList ); |
| 452 | } |
| 453 | |
| 454 | if ( !$tagsToAdd && !$tagsToRemove ) { |
| 455 | $status = Status::newFatal( 'tags-edit-none-selected' ); |
| 456 | } else { |
| 457 | $status = $this->getList()->updateChangeTagsOnAll( $tagsToAdd, |
| 458 | $tagsToRemove, null, $this->reason, $this->getAuthority() ); |
| 459 | } |
| 460 | |
| 461 | if ( $status->isGood() ) { |
| 462 | $this->success(); |
| 463 | return true; |
| 464 | } else { |
| 465 | $this->failure( $status ); |
| 466 | return false; |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * Report that the submit operation succeeded |
| 472 | */ |
| 473 | protected function success() { |
| 474 | $out = $this->getOutput(); |
| 475 | $out->setPageTitleMsg( $this->msg( 'actioncomplete' ) ); |
| 476 | $out->addHTML( |
| 477 | Html::successBox( $out->msg( 'tags-edit-success' )->parse() ) |
| 478 | ); |
| 479 | $this->wasSaved = true; |
| 480 | $this->revList->reloadFromPrimary(); |
| 481 | $this->reason = ''; // no need to spew the reason back at the user |
| 482 | $this->showForm(); |
| 483 | } |
| 484 | |
| 485 | /** |
| 486 | * Report that the submit operation failed |
| 487 | * @param Status $status |
| 488 | */ |
| 489 | protected function failure( $status ) { |
| 490 | $out = $this->getOutput(); |
| 491 | $out->setPageTitleMsg( $this->msg( 'actionfailed' ) ); |
| 492 | $out->addHTML( |
| 493 | Html::errorBox( |
| 494 | $out->parseAsContent( |
| 495 | $status->getWikiText( 'tags-edit-failure', false, $this->getLanguage() ) |
| 496 | ) |
| 497 | ) |
| 498 | ); |
| 499 | $this->showForm(); |
| 500 | } |
| 501 | |
| 502 | public function getDescription() { |
| 503 | return $this->msg( 'tags-edit-title' ); |
| 504 | } |
| 505 | |
| 506 | protected function getGroupName() { |
| 507 | return 'pagetools'; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | /** @deprecated class alias since 1.41 */ |
| 512 | class_alias( SpecialEditTags::class, 'SpecialEditTags' ); |