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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\CommentStore\CommentStoreComment; |
| 4 | use MediaWiki\MediaWikiServices; |
| 5 | use MediaWiki\Revision\RevisionRecord; |
| 6 | use MediaWiki\Title\Title; |
| 7 | use Wikimedia\Rdbms\IDBAccessObject; |
| 8 | use Wikimedia\Timestamp\ConvertibleTimestamp; |
| 9 | |
| 10 | /** |
| 11 | * Class containing stability settings form business logic |
| 12 | */ |
| 13 | abstract class PageStabilityForm extends FRGenericSubmitForm { |
| 14 | |
| 15 | /** @var Title|false Target page obj */ |
| 16 | protected $title = false; |
| 17 | |
| 18 | /** @var bool|null Watch checkbox */ |
| 19 | protected $watchThis = null; |
| 20 | |
| 21 | /** @var bool|null Auto-review option */ |
| 22 | protected $reviewThis = null; |
| 23 | |
| 24 | /** @var string Custom/extra reason */ |
| 25 | protected $reasonExtra = ''; |
| 26 | |
| 27 | /** @var string Reason dropdown key */ |
| 28 | protected $reasonSelection = ''; |
| 29 | |
| 30 | /** @var string Custom expiry */ |
| 31 | protected $expiryCustom = ''; |
| 32 | |
| 33 | /** @var string Expiry dropdown key */ |
| 34 | protected $expirySelection = ''; |
| 35 | |
| 36 | /** @var int Default version */ |
| 37 | protected $override = -1; |
| 38 | |
| 39 | /** @var string Autoreview restrictions */ |
| 40 | protected $autoreview = ''; |
| 41 | |
| 42 | /** @var array Old page config */ |
| 43 | protected $oldConfig = []; |
| 44 | |
| 45 | /** |
| 46 | * @return Title|false |
| 47 | */ |
| 48 | public function getTitle() { |
| 49 | return $this->title; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * @param Title $value |
| 54 | */ |
| 55 | public function setTitle( Title $value ) { |
| 56 | $this->trySet( $this->title, $value ); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * @param bool|null $value |
| 61 | */ |
| 62 | public function setWatchThis( $value ) { |
| 63 | $this->trySet( $this->watchThis, $value ); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @return string |
| 68 | */ |
| 69 | public function getReasonExtra() { |
| 70 | return $this->reasonExtra; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @param string $value |
| 75 | */ |
| 76 | public function setReasonExtra( $value ) { |
| 77 | $this->trySet( $this->reasonExtra, $value ); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @return string |
| 82 | */ |
| 83 | public function getReasonSelection() { |
| 84 | return $this->reasonSelection; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @param string $value |
| 89 | */ |
| 90 | public function setReasonSelection( $value ) { |
| 91 | $this->trySet( $this->reasonSelection, $value ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * @return string |
| 96 | */ |
| 97 | public function getExpiryCustom() { |
| 98 | return $this->expiryCustom; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @param string $value |
| 103 | */ |
| 104 | public function setExpiryCustom( $value ) { |
| 105 | $this->trySet( $this->expiryCustom, $value ); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * @return string |
| 110 | */ |
| 111 | public function getExpirySelection() { |
| 112 | return $this->expirySelection; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * @param string $value |
| 117 | */ |
| 118 | public function setExpirySelection( $value ) { |
| 119 | $this->trySet( $this->expirySelection, $value ); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @return string |
| 124 | */ |
| 125 | public function getAutoreview() { |
| 126 | return $this->autoreview; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * @param string $value |
| 131 | */ |
| 132 | public function setAutoreview( $value ) { |
| 133 | $this->trySet( $this->autoreview, $value ); |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Get the final expiry, all inputs considered |
| 138 | * Note: does not check if the expiration is less than wfTimestampNow() |
| 139 | * @return string|bool 14-char timestamp or "infinity", or false if the input was invalid |
| 140 | */ |
| 141 | public function getExpiry() { |
| 142 | $oldConfig = $this->getOldConfig(); |
| 143 | if ( $this->expirySelection == 'existing' ) { |
| 144 | return $oldConfig['expiry']; |
| 145 | } elseif ( $this->expirySelection == 'othertime' ) { |
| 146 | $value = $this->expiryCustom; |
| 147 | } else { |
| 148 | $value = $this->expirySelection; |
| 149 | } |
| 150 | if ( $value == 'infinite' || $value == 'indefinite' || $value == 'infinity' ) { |
| 151 | $time = 'infinity'; |
| 152 | } else { |
| 153 | $unix = strtotime( $value, ConvertibleTimestamp::time() ); |
| 154 | # On error returns -1 for PHP <5.1 and false for PHP >=5.1 |
| 155 | if ( !$unix || $unix === -1 ) { |
| 156 | return false; |
| 157 | } |
| 158 | // FIXME: non-qualified absolute times are not in users |
| 159 | // specified timezone and there isn't notice about it in the ui |
| 160 | $time = wfTimestamp( TS_MW, $unix ); |
| 161 | } |
| 162 | return $time; |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Get the final reason, all inputs considered |
| 167 | * @return string |
| 168 | */ |
| 169 | private function getReason() { |
| 170 | # Custom reason replaces dropdown |
| 171 | if ( $this->reasonSelection != 'other' ) { |
| 172 | $comment = $this->reasonSelection; // start with dropdown reason |
| 173 | if ( $this->reasonExtra != '' ) { |
| 174 | # Append custom reason |
| 175 | $comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . |
| 176 | $this->reasonExtra; |
| 177 | } |
| 178 | } else { |
| 179 | $comment = $this->reasonExtra; // just use custom reason |
| 180 | } |
| 181 | return $comment; |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Check that a target is given (e.g. from GET/POST request) |
| 186 | * @return true|string true on success, error string on failure |
| 187 | */ |
| 188 | protected function doCheckTargetGiven() { |
| 189 | if ( $this->title === null ) { |
| 190 | return 'stabilize_page_invalid'; |
| 191 | } |
| 192 | return true; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Check that the target page is valid |
| 197 | * @param int $flags FOR_SUBMISSION (set on submit) |
| 198 | * @return true|string true on success, error string on failure |
| 199 | */ |
| 200 | protected function doCheckTarget( $flags = 0 ) { |
| 201 | $flgs = ( $flags & self::FOR_SUBMISSION ) ? IDBAccessObject::READ_LATEST : 0; |
| 202 | if ( !$this->title->getArticleID( $flgs ) ) { |
| 203 | return 'stabilize_page_notexists'; |
| 204 | } elseif ( !FlaggedRevs::inReviewNamespace( $this->title ) ) { |
| 205 | return 'stabilize_page_unreviewable'; |
| 206 | } |
| 207 | return true; |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Verify and clean up parameters (e.g. from POST request) |
| 212 | * @return true|string true on success, error string on failure |
| 213 | */ |
| 214 | protected function doCheckParameters() { |
| 215 | # Load old config settings from the primary DB |
| 216 | $this->oldConfig = FRPageConfig::getStabilitySettings( $this->title, IDBAccessObject::READ_LATEST ); |
| 217 | if ( $this->expiryCustom != '' ) { |
| 218 | // Custom expiry takes precedence |
| 219 | $this->expirySelection = 'othertime'; |
| 220 | } |
| 221 | // check other params... |
| 222 | return $this->reallyDoCheckParameters(); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * @return true|string true on success, error string on failure |
| 227 | */ |
| 228 | protected function reallyDoCheckParameters() { |
| 229 | return true; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Can the user change the settings for this page? |
| 234 | * Note: if the current autoreview restriction is too high for this user |
| 235 | * then this will return false. Useful for form selectors. |
| 236 | * @return bool |
| 237 | */ |
| 238 | public function isAllowed() { |
| 239 | # Users who cannot edit or review the page cannot set this |
| 240 | $pm = MediaWikiServices::getInstance()->getPermissionManager(); |
| 241 | return ( $this->getTitle() |
| 242 | && $pm->userCan( 'stablesettings', $this->getUser(), $this->getTitle() ) |
| 243 | && $pm->userCan( 'review', $this->getUser(), $this->getTitle() ) |
| 244 | ); |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Preload existing page settings (e.g. from GET request). |
| 249 | */ |
| 250 | protected function doPreloadParameters() { |
| 251 | $oldConfig = $this->getOldConfig(); |
| 252 | if ( $oldConfig['expiry'] == 'infinity' ) { |
| 253 | $this->expirySelection = 'infinite'; // no settings set OR indefinite |
| 254 | } else { |
| 255 | $this->expirySelection = 'existing'; // settings set and NOT indefinite |
| 256 | } |
| 257 | $this->reallyDoPreloadParameters(); |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Override this in subclasses to preload parameters other than expirySelection |
| 262 | */ |
| 263 | abstract protected function reallyDoPreloadParameters(); |
| 264 | |
| 265 | /** |
| 266 | * Submit the form parameters for the page config to the DB. |
| 267 | * |
| 268 | * @return true|string true on success, error string on failure |
| 269 | */ |
| 270 | protected function doSubmit() { |
| 271 | # Double-check permissions |
| 272 | if ( !$this->isAllowed() ) { |
| 273 | return 'stabilize_denied'; |
| 274 | } |
| 275 | # Parse and cleanup the expiry time given... |
| 276 | $expiry = $this->getExpiry(); |
| 277 | if ( $expiry === false ) { |
| 278 | return 'stabilize_expiry_invalid'; |
| 279 | } elseif ( $expiry !== 'infinity' && $expiry < wfTimestampNow() ) { |
| 280 | return 'stabilize_expiry_old'; |
| 281 | } |
| 282 | # Update the DB row with the new config... |
| 283 | $changed = FRPageConfig::setStabilitySettings( $this->title, $this->getNewConfig() ); |
| 284 | # Log if this actually changed anything... |
| 285 | if ( $changed ) { |
| 286 | // Inform other code that the stabilisation settings for a page have changed. |
| 287 | $services = MediaWikiServices::getInstance(); |
| 288 | ( new FlaggedRevsHookRunner( $services->getHookContainer() ) )->onFlaggedRevsStabilitySettingsChanged( |
| 289 | $this->getTitle(), $this->getNewConfig(), $this->getUser(), $this->getReason() |
| 290 | ); |
| 291 | |
| 292 | $article = FlaggableWikiPage::newInstance( $this->title ); |
| 293 | if ( FlaggedRevs::useOnlyIfProtected() ) { |
| 294 | # Config may have changed to allow stable versions, so refresh |
| 295 | # the tracking table to account for any hidden reviewed versions... |
| 296 | $frev = FlaggedRevision::determineStable( $this->title ); |
| 297 | if ( $frev ) { |
| 298 | $article->updateStableVersion( $frev ); |
| 299 | } else { |
| 300 | $article->clearStableVersion(); |
| 301 | } |
| 302 | } |
| 303 | # Update logs and make a null edit |
| 304 | $nullRevRecord = $this->updateLogsAndHistory( $article ); |
| 305 | # Null edit may have been auto-reviewed already |
| 306 | $frev = FlaggedRevision::newFromTitle( |
| 307 | $this->title, |
| 308 | $nullRevRecord->getId(), |
| 309 | IDBAccessObject::READ_LATEST |
| 310 | ); |
| 311 | $updatesDone = (bool)$frev; // stableVersionUpdates() already called? |
| 312 | # Check if this null edit is to be reviewed... |
| 313 | if ( $this->reviewThis && !$frev ) { |
| 314 | $flags = null; |
| 315 | # Review this revision of the page... |
| 316 | $ok = FlaggedRevs::autoReviewEdit( |
| 317 | $article, |
| 318 | $this->user, |
| 319 | $nullRevRecord, |
| 320 | $flags |
| 321 | ); |
| 322 | if ( $ok ) { |
| 323 | FlaggedRevs::markRevisionPatrolled( $nullRevRecord ); // reviewed -> patrolled |
| 324 | $updatesDone = true; // stableVersionUpdates() already called |
| 325 | } |
| 326 | } |
| 327 | # Update page and tracking tables and clear cache. |
| 328 | if ( !$updatesDone ) { |
| 329 | FlaggedRevs::stableVersionUpdates( $this->title ); |
| 330 | } |
| 331 | } |
| 332 | # Apply watchlist checkbox value (may be NULL) |
| 333 | $this->updateWatchlist(); |
| 334 | return true; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Do history & log updates: |
| 339 | * (a) Add a new stability log entry |
| 340 | * (b) Add a null edit like the log entry |
| 341 | * @param FlaggableWikiPage $article |
| 342 | * @return RevisionRecord |
| 343 | */ |
| 344 | private function updateLogsAndHistory( FlaggableWikiPage $article ) { |
| 345 | $newConfig = $this->getNewConfig(); |
| 346 | $oldConfig = $this->getOldConfig(); |
| 347 | $reason = $this->getReason(); |
| 348 | |
| 349 | # Insert stability log entry... |
| 350 | FlaggedRevsLog::updateStabilityLog( $this->title, $newConfig, $oldConfig, $reason, $this->user ); |
| 351 | |
| 352 | # Build null-edit comment...<action: reason [settings] (expiry)> |
| 353 | if ( FRPageConfig::configIsReset( $newConfig ) ) { |
| 354 | $type = "stable-logentry-reset"; |
| 355 | $settings = ''; // no level, expiry info |
| 356 | } else { |
| 357 | $type = "stable-logentry-config"; |
| 358 | // Settings message in text form (e.g. [x=a,y=b,z]) |
| 359 | $params = FlaggedRevsLog::stabilityLogParams( $newConfig ); |
| 360 | $settings = FlaggedRevsStableLogFormatter::stabilitySettings( $params, true /*content*/ ); |
| 361 | } |
| 362 | // action |
| 363 | $services = MediaWikiServices::getInstance(); |
| 364 | $comment = $services->getContentLanguage()->ucfirst( |
| 365 | wfMessage( $type, $this->title->getPrefixedText() )->inContentLanguage()->text() |
| 366 | ); |
| 367 | if ( $reason != '' ) { |
| 368 | $comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason; // add reason |
| 369 | } |
| 370 | if ( $settings != '' ) { |
| 371 | $comment .= ' ' . $settings; |
| 372 | } |
| 373 | |
| 374 | # Insert a null revision... |
| 375 | $revStore = $services->getRevisionStore(); |
| 376 | $dbw = $services->getConnectionProvider()->getPrimaryDatabase(); |
| 377 | $nullRevRecord = $revStore->newNullRevision( |
| 378 | $dbw, |
| 379 | $article->getTitle(), |
| 380 | CommentStoreComment::newUnsavedComment( $comment ), |
| 381 | true, // minor |
| 382 | $this->user |
| 383 | ); |
| 384 | $insertedRevRecord = $revStore->insertRevisionOn( $nullRevRecord, $dbw ); |
| 385 | # Update page record and touch page |
| 386 | $oldLatest = $insertedRevRecord->getParentId(); |
| 387 | |
| 388 | $article->updateRevisionOn( $dbw, $insertedRevRecord, $oldLatest ); |
| 389 | |
| 390 | $tags = []; // passed by reference |
| 391 | $hookContainer = $services->getHookContainer(); |
| 392 | |
| 393 | $hookRunner = new FlaggedRevsHookRunner( $hookContainer ); |
| 394 | $hookRunner->onRevisionFromEditComplete( |
| 395 | $article, $insertedRevRecord, $oldLatest, $this->user, $tags |
| 396 | ); |
| 397 | |
| 398 | # Return null RevisionRecord object for autoreview check |
| 399 | return $insertedRevRecord; |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Get current stability config array |
| 404 | * @return array |
| 405 | */ |
| 406 | public function getOldConfig() { |
| 407 | if ( $this->getState() == self::FORM_UNREADY ) { |
| 408 | throw new LogicException( __CLASS__ . " input fields not set yet.\n" ); |
| 409 | } |
| 410 | if ( $this->oldConfig === [] && $this->title ) { |
| 411 | $this->oldConfig = FRPageConfig::getStabilitySettings( $this->title ); |
| 412 | } |
| 413 | return $this->oldConfig; |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Get proposed stability config array |
| 418 | * @return array |
| 419 | */ |
| 420 | public function getNewConfig() { |
| 421 | return [ |
| 422 | 'override' => $this->override, |
| 423 | 'autoreview' => $this->autoreview, |
| 424 | 'expiry' => $this->getExpiry(), // TS_MW/infinity |
| 425 | ]; |
| 426 | } |
| 427 | |
| 428 | /** |
| 429 | * (a) Watch page if $watchThis is true |
| 430 | * (b) Unwatch if $watchThis is false |
| 431 | */ |
| 432 | private function updateWatchlist() { |
| 433 | # Apply watchlist checkbox value (may be NULL) |
| 434 | $watchlistManager = MediaWikiServices::getInstance()->getWatchlistManager(); |
| 435 | if ( $this->watchThis === true ) { |
| 436 | $watchlistManager->addWatch( $this->user, $this->title ); |
| 437 | } elseif ( $this->watchThis === false ) { |
| 438 | $watchlistManager->removeWatch( $this->user, $this->title ); |
| 439 | } |
| 440 | } |
| 441 | } |