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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2007 Daniel Kinzler |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | */ |
| 22 | |
| 23 | namespace MediaWiki\Extension\Gadgets; |
| 24 | |
| 25 | use ApiMessage; |
| 26 | use Content; |
| 27 | use Exception; |
| 28 | use HTMLForm; |
| 29 | use IContextSource; |
| 30 | use InvalidArgumentException; |
| 31 | use ManualLogEntry; |
| 32 | use MediaWiki\Extension\Gadgets\Content\GadgetDefinitionContent; |
| 33 | use MediaWiki\Extension\Gadgets\Special\SpecialGadgetUsage; |
| 34 | use MediaWiki\Hook\BeforePageDisplayHook; |
| 35 | use MediaWiki\Hook\DeleteUnknownPreferencesHook; |
| 36 | use MediaWiki\Hook\EditFilterMergedContentHook; |
| 37 | use MediaWiki\Hook\PreferencesGetIconHook; |
| 38 | use MediaWiki\Hook\PreferencesGetLegendHook; |
| 39 | use MediaWiki\Html\Html; |
| 40 | use MediaWiki\Output\OutputPage; |
| 41 | use MediaWiki\Page\Hook\PageDeleteCompleteHook; |
| 42 | use MediaWiki\Page\ProperPageIdentity; |
| 43 | use MediaWiki\Permissions\Authority; |
| 44 | use MediaWiki\Permissions\Hook\GetUserPermissionsErrorsHook; |
| 45 | use MediaWiki\Preferences\Hook\GetPreferencesHook; |
| 46 | use MediaWiki\ResourceLoader\Hook\ResourceLoaderRegisterModulesHook; |
| 47 | use MediaWiki\ResourceLoader\ResourceLoader; |
| 48 | use MediaWiki\Revision\Hook\ContentHandlerDefaultModelForHook; |
| 49 | use MediaWiki\Revision\RevisionRecord; |
| 50 | use MediaWiki\SpecialPage\Hook\WgQueryPagesHook; |
| 51 | use MediaWiki\SpecialPage\SpecialPage; |
| 52 | use MediaWiki\Status\Status; |
| 53 | use MediaWiki\Storage\Hook\PageSaveCompleteHook; |
| 54 | use MediaWiki\Title\Title; |
| 55 | use MediaWiki\Title\TitleValue; |
| 56 | use MediaWiki\User\Hook\UserGetDefaultOptionsHook; |
| 57 | use MediaWiki\User\Options\UserOptionsLookup; |
| 58 | use MediaWiki\User\User; |
| 59 | use MessageSpecifier; |
| 60 | use OOUI\HtmlSnippet; |
| 61 | use RequestContext; |
| 62 | use Skin; |
| 63 | use Wikimedia\Rdbms\IExpression; |
| 64 | use Wikimedia\Rdbms\IReadableDatabase; |
| 65 | use Wikimedia\Rdbms\LikeValue; |
| 66 | use Wikimedia\WrappedString; |
| 67 | use WikiPage; |
| 68 | use Xml; |
| 69 | |
| 70 | class Hooks implements |
| 71 | PageDeleteCompleteHook, |
| 72 | PageSaveCompleteHook, |
| 73 | UserGetDefaultOptionsHook, |
| 74 | GetPreferencesHook, |
| 75 | PreferencesGetIconHook, |
| 76 | PreferencesGetLegendHook, |
| 77 | ResourceLoaderRegisterModulesHook, |
| 78 | BeforePageDisplayHook, |
| 79 | EditFilterMergedContentHook, |
| 80 | ContentHandlerDefaultModelForHook, |
| 81 | WgQueryPagesHook, |
| 82 | DeleteUnknownPreferencesHook, |
| 83 | GetUserPermissionsErrorsHook |
| 84 | { |
| 85 | private GadgetRepo $gadgetRepo; |
| 86 | private UserOptionsLookup $userOptionsLookup; |
| 87 | |
| 88 | public function __construct( |
| 89 | GadgetRepo $gadgetRepo, |
| 90 | UserOptionsLookup $userOptionsLookup |
| 91 | ) { |
| 92 | $this->gadgetRepo = $gadgetRepo; |
| 93 | $this->userOptionsLookup = $userOptionsLookup; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Handle MediaWiki\Page\Hook\PageSaveCompleteHook |
| 98 | * |
| 99 | * @param WikiPage $wikiPage |
| 100 | * @param mixed $userIdentity unused |
| 101 | * @param string $summary |
| 102 | * @param int $flags |
| 103 | * @param mixed $revisionRecord unused |
| 104 | * @param mixed $editResult unused |
| 105 | */ |
| 106 | public function onPageSaveComplete( |
| 107 | $wikiPage, |
| 108 | $userIdentity, |
| 109 | $summary, |
| 110 | $flags, |
| 111 | $revisionRecord, |
| 112 | $editResult |
| 113 | ): void { |
| 114 | $title = $wikiPage->getTitle(); |
| 115 | $this->gadgetRepo->handlePageUpdate( $title ); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Handle MediaWiki\Page\Hook\PageDeleteCompleteHook |
| 120 | * |
| 121 | * @param ProperPageIdentity $page |
| 122 | * @param Authority $deleter |
| 123 | * @param string $reason |
| 124 | * @param int $pageID |
| 125 | * @param RevisionRecord $deletedRev Last revision |
| 126 | * @param ManualLogEntry $logEntry |
| 127 | * @param int $archivedRevisionCount Number of revisions deleted |
| 128 | */ |
| 129 | public function onPageDeleteComplete( |
| 130 | ProperPageIdentity $page, |
| 131 | Authority $deleter, |
| 132 | string $reason, |
| 133 | int $pageID, |
| 134 | RevisionRecord $deletedRev, |
| 135 | ManualLogEntry $logEntry, |
| 136 | int $archivedRevisionCount |
| 137 | ): void { |
| 138 | $title = TitleValue::newFromPage( $page ); |
| 139 | $this->gadgetRepo->handlePageUpdate( $title ); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * UserGetDefaultOptions hook handler |
| 144 | * @param array &$defaultOptions Array of default preference keys and values |
| 145 | */ |
| 146 | public function onUserGetDefaultOptions( &$defaultOptions ) { |
| 147 | $gadgets = $this->gadgetRepo->getStructuredList(); |
| 148 | if ( !$gadgets ) { |
| 149 | return; |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * @var $gadget Gadget |
| 154 | */ |
| 155 | foreach ( $gadgets as $thisSection ) { |
| 156 | foreach ( $thisSection as $gadgetId => $gadget ) { |
| 157 | // Hidden gadgets don't need to be added here, T299071 |
| 158 | if ( !$gadget->isHidden() ) { |
| 159 | $defaultOptions['gadget-' . $gadgetId] = $gadget->isOnByDefault() ? 1 : 0; |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * GetPreferences hook handler. |
| 167 | * @param User $user |
| 168 | * @param array &$preferences Preference descriptions |
| 169 | */ |
| 170 | public function onGetPreferences( $user, &$preferences ) { |
| 171 | $gadgets = $this->gadgetRepo->getStructuredList(); |
| 172 | if ( !$gadgets ) { |
| 173 | return; |
| 174 | } |
| 175 | |
| 176 | $preferences['gadgets-intro'] = [ |
| 177 | 'type' => 'info', |
| 178 | 'default' => wfMessage( 'gadgets-prefstext' )->parseAsBlock(), |
| 179 | 'section' => 'gadgets', |
| 180 | 'raw' => true, |
| 181 | ]; |
| 182 | |
| 183 | $safeMode = $this->userOptionsLookup->getOption( $user, 'forcesafemode' ); |
| 184 | if ( $safeMode ) { |
| 185 | $preferences['gadgets-safemode'] = [ |
| 186 | 'type' => 'info', |
| 187 | 'default' => Html::warningBox( wfMessage( 'gadgets-prefstext-safemode' )->parse() ), |
| 188 | 'section' => 'gadgets', |
| 189 | 'raw' => true, |
| 190 | ]; |
| 191 | } |
| 192 | |
| 193 | $skin = RequestContext::getMain()->getSkin(); |
| 194 | foreach ( $gadgets as $section => $thisSection ) { |
| 195 | foreach ( $thisSection as $gadget ) { |
| 196 | // Only show option to enable gadget if it can be enabled |
| 197 | $type = 'api'; |
| 198 | if ( |
| 199 | !$safeMode |
| 200 | && !$gadget->isHidden() |
| 201 | && $gadget->isAllowed( $user ) |
| 202 | && $gadget->isSkinSupported( $skin ) |
| 203 | ) { |
| 204 | $type = 'check'; |
| 205 | } |
| 206 | $gname = $gadget->getName(); |
| 207 | $sectionLabelMsg = "gadget-section-$section"; |
| 208 | |
| 209 | $preferences["gadget-$gname"] = [ |
| 210 | 'type' => $type, |
| 211 | 'label-message' => $gadget->getDescriptionMessageKey(), |
| 212 | 'section' => $section !== '' ? "gadgets/$sectionLabelMsg" : 'gadgets', |
| 213 | 'default' => $gadget->isEnabled( $user ), |
| 214 | 'noglobal' => true, |
| 215 | ]; |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * PreferencesGetLegend hook handler. |
| 222 | * |
| 223 | * Used to override the subsection heading labels for the gadget groups. The default message would |
| 224 | * be "prefs-$key", but we've previously used different messages, and they have on-wiki overrides |
| 225 | * that would have to be moved if the message keys changed. |
| 226 | * |
| 227 | * @param HTMLForm $form the HTMLForm object. This is a ContextSource as well |
| 228 | * @param string $key the section name |
| 229 | * @param string &$legend the legend text. Defaults to wfMessage( "prefs-$key" )->text() but may |
| 230 | * be overridden |
| 231 | * @return bool|void True or no return value to continue or false to abort |
| 232 | */ |
| 233 | public function onPreferencesGetLegend( $form, $key, &$legend ) { |
| 234 | if ( str_starts_with( $key, 'gadget-section-' ) ) { |
| 235 | $legend = new HtmlSnippet( $form->msg( $key )->parse() ); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Add icon for Special:Preferences mobile layout |
| 241 | * |
| 242 | * @param array &$iconNames Array of icon names for their respective sections. |
| 243 | */ |
| 244 | public function onPreferencesGetIcon( &$iconNames ) { |
| 245 | $iconNames[ 'gadgets' ] = 'puzzle'; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * ResourceLoaderRegisterModules hook handler. |
| 250 | * @param ResourceLoader $resourceLoader |
| 251 | */ |
| 252 | public function onResourceLoaderRegisterModules( ResourceLoader $resourceLoader ): void { |
| 253 | foreach ( $this->gadgetRepo->getGadgetIds() as $id ) { |
| 254 | $resourceLoader->register( Gadget::getModuleName( $id ), [ |
| 255 | 'class' => GadgetResourceLoaderModule::class, |
| 256 | 'id' => $id, |
| 257 | ] ); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * BeforePageDisplay hook handler. |
| 263 | * @param OutputPage $out |
| 264 | * @param Skin $skin |
| 265 | */ |
| 266 | public function onBeforePageDisplay( $out, $skin ): void { |
| 267 | $repo = $this->gadgetRepo; |
| 268 | $ids = $repo->getGadgetIds(); |
| 269 | if ( !$ids ) { |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | $enabledLegacyGadgets = []; |
| 274 | $conditions = new GadgetLoadConditions( $out ); |
| 275 | |
| 276 | /** |
| 277 | * @var $gadget Gadget |
| 278 | */ |
| 279 | foreach ( $ids as $id ) { |
| 280 | try { |
| 281 | $gadget = $repo->getGadget( $id ); |
| 282 | } catch ( InvalidArgumentException $e ) { |
| 283 | continue; |
| 284 | } |
| 285 | |
| 286 | if ( $conditions->check( $gadget ) ) { |
| 287 | if ( $gadget->hasModule() ) { |
| 288 | if ( $gadget->getType() === 'styles' ) { |
| 289 | $out->addModuleStyles( Gadget::getModuleName( $gadget->getName() ) ); |
| 290 | } else { |
| 291 | $out->addModules( Gadget::getModuleName( $gadget->getName() ) ); |
| 292 | |
| 293 | $peers = []; |
| 294 | foreach ( $gadget->getPeers() as $peerName ) { |
| 295 | try { |
| 296 | $peers[] = $repo->getGadget( $peerName ); |
| 297 | } catch ( InvalidArgumentException $e ) { |
| 298 | // Ignore, warning is emitted on Special:Gadgets |
| 299 | } |
| 300 | } |
| 301 | // Load peer modules |
| 302 | foreach ( $peers as $peer ) { |
| 303 | if ( $peer->getType() === 'styles' ) { |
| 304 | $out->addModuleStyles( Gadget::getModuleName( $peer->getName() ) ); |
| 305 | } |
| 306 | // Else, if not type=styles: Use dependencies instead. |
| 307 | // Note: No need for recursion as styles modules don't support |
| 308 | // either of 'dependencies' and 'peers'. |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | if ( $gadget->getLegacyScripts() ) { |
| 314 | $enabledLegacyGadgets[] = $id; |
| 315 | } |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | $strings = []; |
| 320 | foreach ( $enabledLegacyGadgets as $id ) { |
| 321 | $strings[] = $this->makeLegacyWarning( $id ); |
| 322 | } |
| 323 | $out->addHTML( WrappedString::join( "\n", $strings ) ); |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * @param string $id |
| 328 | * @return string|WrappedString HTML |
| 329 | */ |
| 330 | private function makeLegacyWarning( $id ) { |
| 331 | $special = SpecialPage::getTitleFor( 'Gadgets' ); |
| 332 | |
| 333 | return ResourceLoader::makeInlineScript( |
| 334 | Xml::encodeJsCall( 'mw.log.warn', [ |
| 335 | "Gadget \"$id\" was not loaded. Please migrate it to use ResourceLoader. " . |
| 336 | 'See <' . $special->getCanonicalURL() . '>.' |
| 337 | ] ) |
| 338 | ); |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Valid gadget definition page after content is modified |
| 343 | * |
| 344 | * @param IContextSource $context |
| 345 | * @param Content $content |
| 346 | * @param Status $status |
| 347 | * @param string $summary |
| 348 | * @param User $user |
| 349 | * @param bool $minoredit |
| 350 | * @throws Exception |
| 351 | * @return bool |
| 352 | */ |
| 353 | public function onEditFilterMergedContent( |
| 354 | IContextSource $context, |
| 355 | Content $content, |
| 356 | Status $status, |
| 357 | $summary, |
| 358 | User $user, |
| 359 | $minoredit |
| 360 | ) { |
| 361 | if ( $content instanceof GadgetDefinitionContent ) { |
| 362 | $validateStatus = $content->validate(); |
| 363 | if ( !$validateStatus->isGood() ) { |
| 364 | $status->merge( $validateStatus ); |
| 365 | return false; |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | return true; |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Create "MediaWiki:Gadgets/<id>.json" pages with GadgetDefinitionContent |
| 374 | * |
| 375 | * @param Title $title |
| 376 | * @param string &$model |
| 377 | * @return bool |
| 378 | */ |
| 379 | public function onContentHandlerDefaultModelFor( $title, &$model ) { |
| 380 | if ( MediaWikiGadgetsJsonRepo::isGadgetDefinitionTitle( $title ) ) { |
| 381 | $model = 'GadgetDefinition'; |
| 382 | return false; |
| 383 | } |
| 384 | |
| 385 | return true; |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * Add the GadgetUsage special page to the list of QueryPages. |
| 390 | * @param array &$queryPages |
| 391 | */ |
| 392 | public function onWgQueryPages( &$queryPages ) { |
| 393 | $queryPages[] = [ SpecialGadgetUsage::class, 'GadgetUsage' ]; |
| 394 | } |
| 395 | |
| 396 | /** |
| 397 | * Prevent gadget preferences from being deleted. |
| 398 | * @link https://www.mediawiki.org/wiki/Manual:Hooks/DeleteUnknownPreferences |
| 399 | * @param string[] &$where Array of where clause conditions to add to. |
| 400 | * @param IReadableDatabase $db |
| 401 | */ |
| 402 | public function onDeleteUnknownPreferences( &$where, $db ) { |
| 403 | $where[] = $db->expr( |
| 404 | 'up_property', |
| 405 | IExpression::NOT_LIKE, |
| 406 | new LikeValue( 'gadget-', $db->anyString() ) |
| 407 | ); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * @param Title $title Title being checked against |
| 412 | * @param User $user Current user |
| 413 | * @param string $action Action being checked |
| 414 | * @param array|string|MessageSpecifier &$result User permissions error to add. If none, return true. |
| 415 | * For consistency, error messages should be plain text with no special coloring, |
| 416 | * bolding, etc. to show that they're errors; presenting them properly to the |
| 417 | * user as errors is done by the caller. |
| 418 | * @return bool|void |
| 419 | */ |
| 420 | public function onGetUserPermissionsErrors( $title, $user, $action, &$result ) { |
| 421 | if ( $action === 'edit' |
| 422 | && MediaWikiGadgetsJsonRepo::isGadgetDefinitionTitle( $title ) |
| 423 | ) { |
| 424 | if ( !$user->isAllowed( 'editsitejs' ) ) { |
| 425 | $result = ApiMessage::create( wfMessage( 'sitejsprotected' ), 'sitejsprotected' ); |
| 426 | return false; |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | } |