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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2003,2005 Brooke Vibber <bvibber@wikimedia.org> |
| 4 | * https://www.mediawiki.org/ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | * http://www.gnu.org/copyleft/gpl.html |
| 20 | * |
| 21 | * @file |
| 22 | */ |
| 23 | |
| 24 | namespace MediaWiki\Specials; |
| 25 | |
| 26 | use Exception; |
| 27 | use ImportReporter; |
| 28 | use ImportStreamSource; |
| 29 | use MediaWiki\Exception\PermissionsError; |
| 30 | use MediaWiki\Html\Html; |
| 31 | use MediaWiki\HTMLForm\HTMLForm; |
| 32 | use MediaWiki\MainConfigNames; |
| 33 | use MediaWiki\Permissions\PermissionStatus; |
| 34 | use MediaWiki\SpecialPage\SpecialPage; |
| 35 | use MediaWiki\Status\Status; |
| 36 | use UnexpectedValueException; |
| 37 | use WikiImporterFactory; |
| 38 | use Wikimedia\Rdbms\DBError; |
| 39 | use Wikimedia\RequestTimeout\TimeoutException; |
| 40 | |
| 41 | /** |
| 42 | * MediaWiki page data importer |
| 43 | * |
| 44 | * @ingroup SpecialPage |
| 45 | */ |
| 46 | class SpecialImport extends SpecialPage { |
| 47 | /** @var array */ |
| 48 | private $importSources; |
| 49 | |
| 50 | private WikiImporterFactory $wikiImporterFactory; |
| 51 | |
| 52 | public function __construct( |
| 53 | WikiImporterFactory $wikiImporterFactory |
| 54 | ) { |
| 55 | parent::__construct( 'Import', 'import' ); |
| 56 | |
| 57 | $this->wikiImporterFactory = $wikiImporterFactory; |
| 58 | } |
| 59 | |
| 60 | public function doesWrites() { |
| 61 | return true; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Execute |
| 66 | * @param string|null $par |
| 67 | */ |
| 68 | public function execute( $par ) { |
| 69 | $this->useTransactionalTimeLimit(); |
| 70 | |
| 71 | $this->setHeaders(); |
| 72 | $this->outputHeader(); |
| 73 | |
| 74 | $this->importSources = $this->getConfig()->get( MainConfigNames::ImportSources ); |
| 75 | // Avoid phan error by checking the type |
| 76 | if ( !is_array( $this->importSources ) ) { |
| 77 | throw new UnexpectedValueException( '$wgImportSources must be an array' ); |
| 78 | } |
| 79 | $this->getHookRunner()->onImportSources( $this->importSources ); |
| 80 | |
| 81 | $authority = $this->getAuthority(); |
| 82 | $statusImport = PermissionStatus::newEmpty(); |
| 83 | $authority->isDefinitelyAllowed( 'import', $statusImport ); |
| 84 | $statusImportUpload = PermissionStatus::newEmpty(); |
| 85 | $authority->isDefinitelyAllowed( 'importupload', $statusImportUpload ); |
| 86 | // Only show an error here if the user can't import using either method. |
| 87 | // If they can use at least one of the methods, allow access, and checks elsewhere |
| 88 | // will ensure that we only show the form(s) they can use. |
| 89 | $out = $this->getOutput(); |
| 90 | if ( !$statusImport->isGood() && !$statusImportUpload->isGood() ) { |
| 91 | // Show separate messages for each check. There isn't a good way to merge them into a single |
| 92 | // message if the checks failed for different reasons. |
| 93 | $out->prepareErrorPage(); |
| 94 | $out->setPageTitleMsg( $this->msg( 'permissionserrors' ) ); |
| 95 | $out->addModuleStyles( 'mediawiki.codex.messagebox.styles' ); |
| 96 | $out->addWikiTextAsInterface( Html::errorBox( |
| 97 | $out->formatPermissionStatus( $statusImport, 'import' ) |
| 98 | ) ); |
| 99 | $out->addWikiTextAsInterface( Html::errorBox( |
| 100 | $out->formatPermissionStatus( $statusImportUpload, 'importupload' ) |
| 101 | ) ); |
| 102 | return; |
| 103 | } |
| 104 | |
| 105 | $out->addModules( 'mediawiki.misc-authed-ooui' ); |
| 106 | $out->addModuleStyles( 'mediawiki.special.import.styles.ooui' ); |
| 107 | |
| 108 | $this->checkReadOnly(); |
| 109 | |
| 110 | $request = $this->getRequest(); |
| 111 | if ( $request->wasPosted() && $request->getRawVal( 'action' ) == 'submit' ) { |
| 112 | $this->doImport(); |
| 113 | } |
| 114 | $this->showForm(); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Do the actual import |
| 119 | */ |
| 120 | private function doImport() { |
| 121 | $isUpload = false; |
| 122 | $request = $this->getRequest(); |
| 123 | $sourceName = $request->getVal( 'source' ); |
| 124 | $assignKnownUsers = $request->getCheck( 'assignKnownUsers' ); |
| 125 | |
| 126 | $logcomment = $request->getText( 'log-comment' ); |
| 127 | $pageLinkDepth = $this->getConfig()->get( MainConfigNames::ExportMaxLinkDepth ) == 0 |
| 128 | ? 0 |
| 129 | : $request->getIntOrNull( 'pagelink-depth' ); |
| 130 | |
| 131 | $rootpage = ''; |
| 132 | $mapping = $request->getVal( 'mapping' ); |
| 133 | $namespace = $this->getConfig()->get( MainConfigNames::ImportTargetNamespace ); |
| 134 | if ( $mapping === 'namespace' ) { |
| 135 | $namespace = $request->getIntOrNull( 'namespace' ); |
| 136 | } elseif ( $mapping === 'subpage' ) { |
| 137 | $rootpage = $request->getText( 'rootpage' ); |
| 138 | } |
| 139 | |
| 140 | $user = $this->getUser(); |
| 141 | $authority = $this->getAuthority(); |
| 142 | $status = PermissionStatus::newEmpty(); |
| 143 | |
| 144 | $fullInterwikiPrefix = null; |
| 145 | if ( !$user->matchEditToken( $request->getVal( 'wpEditToken' ) ) ) { |
| 146 | $source = Status::newFatal( 'import-token-mismatch' ); |
| 147 | } elseif ( $sourceName === 'upload' ) { |
| 148 | $isUpload = true; |
| 149 | $fullInterwikiPrefix = $request->getVal( 'usernamePrefix' ); |
| 150 | if ( $authority->authorizeAction( 'importupload', $status ) ) { |
| 151 | $source = ImportStreamSource::newFromUpload( "xmlimport" ); |
| 152 | } else { |
| 153 | throw new PermissionsError( 'importupload', $status ); |
| 154 | } |
| 155 | } elseif ( $sourceName === 'interwiki' ) { |
| 156 | if ( !$authority->authorizeAction( 'import', $status ) ) { |
| 157 | throw new PermissionsError( 'import', $status ); |
| 158 | } |
| 159 | $interwiki = $fullInterwikiPrefix = $request->getVal( 'interwiki' ); |
| 160 | // does this interwiki have subprojects? |
| 161 | $hasSubprojects = array_key_exists( $interwiki, $this->importSources ); |
| 162 | if ( !$hasSubprojects && !in_array( $interwiki, $this->importSources ) ) { |
| 163 | $source = Status::newFatal( "import-invalid-interwiki" ); |
| 164 | } else { |
| 165 | $subproject = null; |
| 166 | if ( $hasSubprojects ) { |
| 167 | $subproject = $request->getVal( 'subproject' ); |
| 168 | // Trim "project::" prefix added for JS |
| 169 | if ( str_starts_with( $subproject, $interwiki . '::' ) ) { |
| 170 | $subproject = substr( $subproject, strlen( $interwiki . '::' ) ); |
| 171 | } |
| 172 | $fullInterwikiPrefix .= ':' . $subproject; |
| 173 | } |
| 174 | if ( $hasSubprojects && |
| 175 | !in_array( $subproject, $this->importSources[$interwiki] ) |
| 176 | ) { |
| 177 | $source = Status::newFatal( 'import-invalid-interwiki' ); |
| 178 | } else { |
| 179 | $history = $request->getCheck( 'interwikiHistory' ); |
| 180 | $frompage = $request->getText( 'frompage' ); |
| 181 | $includeTemplates = $request->getCheck( 'interwikiTemplates' ); |
| 182 | $source = ImportStreamSource::newFromInterwiki( |
| 183 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive |
| 184 | $fullInterwikiPrefix, |
| 185 | $frompage, |
| 186 | $history, |
| 187 | $includeTemplates, |
| 188 | $pageLinkDepth ); |
| 189 | } |
| 190 | } |
| 191 | } else { |
| 192 | $source = Status::newFatal( "importunknownsource" ); |
| 193 | } |
| 194 | |
| 195 | if ( (string)$fullInterwikiPrefix === '' ) { |
| 196 | $source->fatal( 'importnoprefix' ); |
| 197 | } |
| 198 | |
| 199 | $out = $this->getOutput(); |
| 200 | if ( !$source->isGood() ) { |
| 201 | $out->wrapWikiMsg( |
| 202 | Html::errorBox( '$1' ), |
| 203 | [ |
| 204 | 'importfailed', |
| 205 | $source->getWikiText( false, false, $this->getLanguage() ), |
| 206 | count( $source->getMessages() ) |
| 207 | ] |
| 208 | ); |
| 209 | } else { |
| 210 | $importer = $this->wikiImporterFactory->getWikiImporter( $source->value, $this->getAuthority() ); |
| 211 | if ( $namespace !== null ) { |
| 212 | $importer->setTargetNamespace( $namespace ); |
| 213 | } elseif ( $rootpage !== null ) { |
| 214 | $statusRootPage = $importer->setTargetRootPage( $rootpage ); |
| 215 | if ( !$statusRootPage->isGood() ) { |
| 216 | $out->wrapWikiMsg( |
| 217 | Html::errorBox( '$1' ), |
| 218 | [ |
| 219 | 'import-options-wrong', |
| 220 | $statusRootPage->getWikiText( false, false, $this->getLanguage() ), |
| 221 | count( $statusRootPage->getMessages() ) |
| 222 | ] |
| 223 | ); |
| 224 | |
| 225 | return; |
| 226 | } |
| 227 | } |
| 228 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive |
| 229 | $importer->setUsernamePrefix( $fullInterwikiPrefix, $assignKnownUsers ); |
| 230 | |
| 231 | $out->addWikiMsg( "importstart" ); |
| 232 | |
| 233 | $reporter = new ImportReporter( |
| 234 | $importer, |
| 235 | $isUpload, |
| 236 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive |
| 237 | $fullInterwikiPrefix, |
| 238 | $logcomment, |
| 239 | $this->getContext() |
| 240 | ); |
| 241 | $exception = false; |
| 242 | |
| 243 | $reporter->open(); |
| 244 | try { |
| 245 | $importer->doImport(); |
| 246 | } catch ( DBError | TimeoutException $e ) { |
| 247 | // Re-throw exceptions which are not safe to catch (T383933). |
| 248 | throw $e; |
| 249 | } catch ( Exception $e ) { |
| 250 | $exception = $e; |
| 251 | } finally { |
| 252 | $result = $reporter->close(); |
| 253 | } |
| 254 | |
| 255 | if ( $exception ) { |
| 256 | # No source or XML parse error |
| 257 | $out->wrapWikiMsg( |
| 258 | Html::errorBox( '$1' ), |
| 259 | [ 'importfailed', wfEscapeWikiText( $exception->getMessage() ), 1 ] |
| 260 | ); |
| 261 | } elseif ( !$result->isGood() ) { |
| 262 | # Zero revisions |
| 263 | $out->wrapWikiMsg( |
| 264 | Html::errorBox( '$1' ), |
| 265 | [ |
| 266 | 'importfailed', |
| 267 | $result->getWikiText( false, false, $this->getLanguage() ), |
| 268 | count( $result->getMessages() ) |
| 269 | ] |
| 270 | ); |
| 271 | } else { |
| 272 | # Success! |
| 273 | $out->addWikiMsg( 'importsuccess' ); |
| 274 | } |
| 275 | $out->addHTML( '<hr />' ); |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | private function getMappingFormPart( string $sourceName ): array { |
| 280 | $defaultNamespace = $this->getConfig()->get( MainConfigNames::ImportTargetNamespace ); |
| 281 | return [ |
| 282 | 'mapping' => [ |
| 283 | 'type' => 'radio', |
| 284 | 'name' => 'mapping', |
| 285 | // IDs: mw-import-mapping-interwiki, mw-import-mapping-upload |
| 286 | 'id' => "mw-import-mapping-$sourceName", |
| 287 | 'options-messages' => [ |
| 288 | 'import-mapping-default' => 'default', |
| 289 | 'import-mapping-namespace' => 'namespace', |
| 290 | 'import-mapping-subpage' => 'subpage' |
| 291 | ], |
| 292 | 'default' => $defaultNamespace !== null ? 'namespace' : 'default' |
| 293 | ], |
| 294 | 'namespace' => [ |
| 295 | 'type' => 'namespaceselect', |
| 296 | 'name' => 'namespace', |
| 297 | // IDs: mw-import-namespace-interwiki, mw-import-namespace-upload |
| 298 | 'id' => "mw-import-namespace-$sourceName", |
| 299 | 'default' => $defaultNamespace ?: '', |
| 300 | 'all' => null, |
| 301 | 'disable-if' => [ '!==', 'mapping', 'namespace' ], |
| 302 | ], |
| 303 | 'rootpage' => [ |
| 304 | 'type' => 'text', |
| 305 | 'name' => 'rootpage', |
| 306 | // Should be "mw-import-...", but we keep the inaccurate ID for compat |
| 307 | // IDs: mw-interwiki-rootpage-interwiki, mw-interwiki-rootpage-upload |
| 308 | 'id' => "mw-interwiki-rootpage-$sourceName", |
| 309 | 'disable-if' => [ '!==', 'mapping', 'subpage' ], |
| 310 | ], |
| 311 | ]; |
| 312 | } |
| 313 | |
| 314 | private function showForm() { |
| 315 | $action = $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] ); |
| 316 | $authority = $this->getAuthority(); |
| 317 | $out = $this->getOutput(); |
| 318 | $this->addHelpLink( 'https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Import', true ); |
| 319 | |
| 320 | $interwikiFormDescriptor = []; |
| 321 | $uploadFormDescriptor = []; |
| 322 | |
| 323 | if ( $authority->isDefinitelyAllowed( 'importupload' ) ) { |
| 324 | $mappingSelection = $this->getMappingFormPart( 'upload' ); |
| 325 | $uploadFormDescriptor += [ |
| 326 | 'intro' => [ |
| 327 | 'type' => 'info', |
| 328 | 'raw' => true, |
| 329 | 'default' => $this->msg( 'importtext' )->parseAsBlock() |
| 330 | ], |
| 331 | 'xmlimport' => [ |
| 332 | 'type' => 'file', |
| 333 | 'name' => 'xmlimport', |
| 334 | 'accept' => [ 'application/xml', 'text/xml' ], |
| 335 | 'label-message' => 'import-upload-filename', |
| 336 | 'required' => true, |
| 337 | ], |
| 338 | 'usernamePrefix' => [ |
| 339 | 'type' => 'text', |
| 340 | 'name' => 'usernamePrefix', |
| 341 | 'label-message' => 'import-upload-username-prefix', |
| 342 | 'required' => true, |
| 343 | ], |
| 344 | 'assignKnownUsers' => [ |
| 345 | 'type' => 'check', |
| 346 | 'name' => 'assignKnownUsers', |
| 347 | 'label-message' => 'import-assign-known-users' |
| 348 | ], |
| 349 | 'log-comment' => [ |
| 350 | 'type' => 'text', |
| 351 | 'name' => 'log-comment', |
| 352 | 'label-message' => 'import-comment' |
| 353 | ], |
| 354 | 'source' => [ |
| 355 | 'type' => 'hidden', |
| 356 | 'name' => 'source', |
| 357 | 'default' => 'upload', |
| 358 | 'id' => '', |
| 359 | ], |
| 360 | ]; |
| 361 | |
| 362 | $uploadFormDescriptor += $mappingSelection; |
| 363 | |
| 364 | $htmlForm = HTMLForm::factory( 'ooui', $uploadFormDescriptor, $this->getContext() ); |
| 365 | $htmlForm->setAction( $action ); |
| 366 | $htmlForm->setId( 'mw-import-upload-form' ); |
| 367 | $htmlForm->setWrapperLegendMsg( 'import-upload' ); |
| 368 | $htmlForm->setSubmitTextMsg( 'uploadbtn' ); |
| 369 | $htmlForm->prepareForm()->displayForm( false ); |
| 370 | |
| 371 | } elseif ( !$this->importSources ) { |
| 372 | $out->addWikiMsg( 'importnosources' ); |
| 373 | } |
| 374 | |
| 375 | if ( $authority->isDefinitelyAllowed( 'import' ) && $this->importSources ) { |
| 376 | |
| 377 | $projects = []; |
| 378 | $needSubprojectField = false; |
| 379 | foreach ( $this->importSources as $key => $value ) { |
| 380 | if ( is_int( $key ) ) { |
| 381 | $key = $value; |
| 382 | } elseif ( $value !== $key ) { |
| 383 | $needSubprojectField = true; |
| 384 | } |
| 385 | |
| 386 | $projects[ $key ] = $key; |
| 387 | } |
| 388 | |
| 389 | $interwikiFormDescriptor += [ |
| 390 | 'intro' => [ |
| 391 | 'type' => 'info', |
| 392 | 'raw' => true, |
| 393 | 'default' => $this->msg( 'import-interwiki-text' )->parseAsBlock() |
| 394 | ], |
| 395 | 'interwiki' => [ |
| 396 | 'type' => 'select', |
| 397 | 'name' => 'interwiki', |
| 398 | 'label-message' => 'import-interwiki-sourcewiki', |
| 399 | 'options' => $projects |
| 400 | ], |
| 401 | ]; |
| 402 | |
| 403 | if ( $needSubprojectField ) { |
| 404 | $subprojects = []; |
| 405 | foreach ( $this->importSources as $key => $value ) { |
| 406 | if ( is_array( $value ) ) { |
| 407 | foreach ( $value as $subproject ) { |
| 408 | $subprojects[ $subproject ] = $key . '::' . $subproject; |
| 409 | } |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | $interwikiFormDescriptor += [ |
| 414 | 'subproject' => [ |
| 415 | 'type' => 'select', |
| 416 | 'name' => 'subproject', |
| 417 | 'options' => $subprojects |
| 418 | ] |
| 419 | ]; |
| 420 | } |
| 421 | |
| 422 | $interwikiFormDescriptor += [ |
| 423 | 'frompage' => [ |
| 424 | 'type' => 'text', |
| 425 | 'name' => 'frompage', |
| 426 | 'label-message' => 'import-interwiki-sourcepage' |
| 427 | ], |
| 428 | 'interwikiHistory' => [ |
| 429 | 'type' => 'check', |
| 430 | 'name' => 'interwikiHistory', |
| 431 | 'label-message' => 'import-interwiki-history' |
| 432 | ], |
| 433 | 'interwikiTemplates' => [ |
| 434 | 'type' => 'check', |
| 435 | 'name' => 'interwikiTemplates', |
| 436 | 'label-message' => 'import-interwiki-templates' |
| 437 | ], |
| 438 | 'assignKnownUsers' => [ |
| 439 | 'type' => 'check', |
| 440 | 'name' => 'assignKnownUsers', |
| 441 | 'label-message' => 'import-assign-known-users' |
| 442 | ], |
| 443 | ]; |
| 444 | |
| 445 | if ( $this->getConfig()->get( MainConfigNames::ExportMaxLinkDepth ) > 0 ) { |
| 446 | $interwikiFormDescriptor += [ |
| 447 | 'pagelink-depth' => [ |
| 448 | 'type' => 'int', |
| 449 | 'name' => 'pagelink-depth', |
| 450 | 'label-message' => 'export-pagelinks', |
| 451 | 'default' => 0 |
| 452 | ] |
| 453 | ]; |
| 454 | } |
| 455 | |
| 456 | $interwikiFormDescriptor += [ |
| 457 | 'log-comment' => [ |
| 458 | 'type' => 'text', |
| 459 | 'name' => 'log-comment', |
| 460 | 'label-message' => 'import-comment' |
| 461 | ], |
| 462 | 'source' => [ |
| 463 | 'type' => 'hidden', |
| 464 | 'name' => 'source', |
| 465 | 'default' => 'interwiki', |
| 466 | 'id' => '', |
| 467 | ], |
| 468 | ]; |
| 469 | $mappingSelection = $this->getMappingFormPart( 'interwiki' ); |
| 470 | |
| 471 | $interwikiFormDescriptor += $mappingSelection; |
| 472 | |
| 473 | $htmlForm = HTMLForm::factory( 'ooui', $interwikiFormDescriptor, $this->getContext() ); |
| 474 | $htmlForm->setAction( $action ); |
| 475 | $htmlForm->setId( 'mw-import-interwiki-form' ); |
| 476 | $htmlForm->setWrapperLegendMsg( 'importinterwiki' ); |
| 477 | $htmlForm->setSubmitTextMsg( 'import-interwiki-submit' ); |
| 478 | $htmlForm->prepareForm()->displayForm( false ); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | protected function getGroupName() { |
| 483 | return 'pagetools'; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | /** @deprecated class alias since 1.41 */ |
| 488 | class_alias( SpecialImport::class, 'SpecialImport' ); |