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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2012 Szymon Świerkosz beau@adres.pl |
| 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 | use MediaWiki\HTMLForm\HTMLForm; |
| 24 | use MediaWiki\Logger\LoggerFactory; |
| 25 | use MediaWiki\Message\Message; |
| 26 | use MediaWiki\Preferences\DefaultPreferencesFactory; |
| 27 | use MediaWiki\Preferences\PreferencesFactory; |
| 28 | use MediaWiki\User\Options\UserOptionsManager; |
| 29 | use MediaWiki\User\User; |
| 30 | use Wikimedia\ParamValidator\ParamValidator; |
| 31 | |
| 32 | /** |
| 33 | * The base class for core's ApiOptions and two modules in the GlobalPreferences |
| 34 | * extension. |
| 35 | * |
| 36 | * @ingroup API |
| 37 | */ |
| 38 | abstract class ApiOptionsBase extends ApiBase { |
| 39 | /** @var User User account to modify */ |
| 40 | private $userForUpdates; |
| 41 | |
| 42 | private UserOptionsManager $userOptionsManager; |
| 43 | private PreferencesFactory $preferencesFactory; |
| 44 | |
| 45 | /** @var mixed[][]|null */ |
| 46 | private $preferences; |
| 47 | |
| 48 | /** @var HTMLForm|null */ |
| 49 | private $htmlForm; |
| 50 | |
| 51 | /** @var string[]|null */ |
| 52 | private $prefsKinds; |
| 53 | |
| 54 | /** @var array */ |
| 55 | private $params; |
| 56 | |
| 57 | /** |
| 58 | * @param ApiMain $main |
| 59 | * @param string $action |
| 60 | * @param UserOptionsManager $userOptionsManager |
| 61 | * @param PreferencesFactory $preferencesFactory |
| 62 | */ |
| 63 | public function __construct( |
| 64 | ApiMain $main, |
| 65 | $action, |
| 66 | UserOptionsManager $userOptionsManager, |
| 67 | PreferencesFactory $preferencesFactory |
| 68 | ) { |
| 69 | parent::__construct( $main, $action ); |
| 70 | $this->userOptionsManager = $userOptionsManager; |
| 71 | $this->preferencesFactory = $preferencesFactory; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Changes preferences of the current user. |
| 76 | */ |
| 77 | public function execute() { |
| 78 | $user = $this->getUserForUpdatesOrNull(); |
| 79 | if ( !$user || !$user->isNamed() ) { |
| 80 | $this->dieWithError( |
| 81 | [ 'apierror-mustbeloggedin', $this->msg( 'action-editmyoptions' ) ], 'notloggedin' |
| 82 | ); |
| 83 | } |
| 84 | |
| 85 | $this->checkUserRightsAny( 'editmyoptions' ); |
| 86 | |
| 87 | $params = $this->extractRequestParams(); |
| 88 | $changed = false; |
| 89 | |
| 90 | if ( isset( $params['optionvalue'] ) && !isset( $params['optionname'] ) ) { |
| 91 | $this->dieWithError( [ 'apierror-missingparam', 'optionname' ] ); |
| 92 | } |
| 93 | |
| 94 | $resetKinds = $params['resetkinds']; |
| 95 | if ( !$params['reset'] ) { |
| 96 | $resetKinds = []; |
| 97 | } |
| 98 | |
| 99 | $changes = []; |
| 100 | if ( $params['change'] ) { |
| 101 | foreach ( $params['change'] as $entry ) { |
| 102 | $array = explode( '=', $entry, 2 ); |
| 103 | $changes[$array[0]] = $array[1] ?? null; |
| 104 | } |
| 105 | } |
| 106 | if ( isset( $params['optionname'] ) ) { |
| 107 | $newValue = $params['optionvalue'] ?? null; |
| 108 | $changes[$params['optionname']] = $newValue; |
| 109 | } |
| 110 | |
| 111 | $this->runHook( $user, $changes, $resetKinds ); |
| 112 | |
| 113 | if ( $resetKinds ) { |
| 114 | $this->resetPreferences( $resetKinds ); |
| 115 | $changed = true; |
| 116 | } |
| 117 | |
| 118 | if ( !$changed && !count( $changes ) ) { |
| 119 | $this->dieWithError( 'apierror-nochanges' ); |
| 120 | } |
| 121 | |
| 122 | $this->prefsKinds = $this->preferencesFactory->getResetKinds( $user, $this->getContext(), $changes ); |
| 123 | |
| 124 | foreach ( $changes as $key => $value ) { |
| 125 | if ( $this->shouldIgnoreKey( $key ) ) { |
| 126 | continue; |
| 127 | } |
| 128 | $validation = $this->validate( $key, $value ); |
| 129 | if ( $validation === true ) { |
| 130 | $this->setPreference( $key, $value ); |
| 131 | $changed = true; |
| 132 | } else { |
| 133 | $this->addWarning( [ 'apiwarn-validationfailed', wfEscapeWikiText( $key ), $validation ] ); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | if ( $changed ) { |
| 138 | $this->commitChanges(); |
| 139 | } |
| 140 | |
| 141 | $this->getResult()->addValue( null, $this->getModuleName(), 'success' ); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Run the ApiOptions hook if applicable |
| 146 | * |
| 147 | * @param User $user |
| 148 | * @param string[] $changes |
| 149 | * @param string[] $resetKinds |
| 150 | */ |
| 151 | protected function runHook( $user, $changes, $resetKinds ) { |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Check whether a key should be ignored. |
| 156 | * |
| 157 | * This may be overridden to emit a warning as well as returning true. |
| 158 | * |
| 159 | * @param string $key |
| 160 | * @return bool |
| 161 | */ |
| 162 | protected function shouldIgnoreKey( $key ) { |
| 163 | return false; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Get the preference kinds for the current user's options. |
| 168 | * This can only be called after $this->prefsKinds is set in execute() |
| 169 | * |
| 170 | * @return string[] |
| 171 | */ |
| 172 | protected function getPrefsKinds(): array { |
| 173 | return $this->prefsKinds; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Get the HTMLForm for the user's preferences |
| 178 | * |
| 179 | * @return HTMLForm |
| 180 | */ |
| 181 | protected function getHtmlForm() { |
| 182 | if ( !$this->htmlForm ) { |
| 183 | $this->htmlForm = new HTMLForm( |
| 184 | DefaultPreferencesFactory::simplifyFormDescriptor( $this->getPreferences() ), |
| 185 | $this |
| 186 | ); |
| 187 | } |
| 188 | return $this->htmlForm; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Validate a proposed change |
| 193 | * |
| 194 | * @param string $key |
| 195 | * @param mixed &$value |
| 196 | * @return bool|\MediaWiki\Message\Message|string |
| 197 | */ |
| 198 | protected function validate( $key, &$value ) { |
| 199 | switch ( $this->getPrefsKinds()[$key] ) { |
| 200 | case 'registered': |
| 201 | // Regular option. |
| 202 | if ( $value === null ) { |
| 203 | // Reset it |
| 204 | $validation = true; |
| 205 | } else { |
| 206 | // Validate |
| 207 | $field = $this->getHtmlForm()->getField( $key ); |
| 208 | $validation = $field->validate( |
| 209 | $value, |
| 210 | $this->userOptionsManager->getOptions( $this->getUserForUpdates() ) |
| 211 | ); |
| 212 | } |
| 213 | break; |
| 214 | case 'registered-multiselect': |
| 215 | case 'registered-checkmatrix': |
| 216 | // A key for a multiselect or checkmatrix option. |
| 217 | // TODO: Apply validation properly. |
| 218 | $validation = true; |
| 219 | $value = $value !== null ? (bool)$value : null; |
| 220 | break; |
| 221 | case 'userjs': |
| 222 | // Allow non-default preferences prefixed with 'userjs-', to be set by user scripts |
| 223 | if ( strlen( $key ) > 255 ) { |
| 224 | $validation = $this->msg( 'apiwarn-validationfailed-keytoolong', Message::numParam( 255 ) ); |
| 225 | } elseif ( preg_match( '/[^a-zA-Z0-9_-]/', $key ) !== 0 ) { |
| 226 | $validation = $this->msg( 'apiwarn-validationfailed-badchars' ); |
| 227 | } else { |
| 228 | $validation = true; |
| 229 | } |
| 230 | |
| 231 | LoggerFactory::getInstance( 'api-warning' )->info( |
| 232 | 'ApiOptions: Setting userjs option', |
| 233 | [ |
| 234 | 'phab' => 'T259073', |
| 235 | 'OptionName' => substr( $key, 0, 255 ), |
| 236 | 'OptionValue' => substr( $value ?? '', 0, 255 ), |
| 237 | 'OptionSize' => strlen( $value ?? '' ), |
| 238 | 'OptionValidation' => $validation, |
| 239 | 'UserId' => $this->getUserForUpdates()->getId(), |
| 240 | 'RequestIP' => $this->getRequest()->getIP(), |
| 241 | 'RequestUA' => $this->getRequest()->getHeader( 'User-Agent' ) |
| 242 | ] |
| 243 | ); |
| 244 | break; |
| 245 | case 'special': |
| 246 | $validation = $this->msg( 'apiwarn-validationfailed-cannotset' ); |
| 247 | break; |
| 248 | case 'unused': |
| 249 | default: |
| 250 | $validation = $this->msg( 'apiwarn-validationfailed-badpref' ); |
| 251 | break; |
| 252 | } |
| 253 | if ( $validation === true && is_string( $value ) && |
| 254 | strlen( $value ) > UserOptionsManager::MAX_BYTES_OPTION_VALUE |
| 255 | ) { |
| 256 | $validation = $this->msg( |
| 257 | 'apiwarn-validationfailed-valuetoolong', |
| 258 | Message::numParam( UserOptionsManager::MAX_BYTES_OPTION_VALUE ) |
| 259 | ); |
| 260 | } |
| 261 | return $validation; |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * Load the user from the primary to reduce CAS errors on double post (T95839) |
| 266 | * Will throw if the user is anonymous. |
| 267 | * |
| 268 | * @return User |
| 269 | */ |
| 270 | protected function getUserForUpdates(): User { |
| 271 | // @phan-suppress-next-line PhanTypeMismatchReturnNullable |
| 272 | return $this->getUserForUpdatesOrNull(); |
| 273 | } |
| 274 | |
| 275 | /** |
| 276 | * Get the user for updates, or null if the user is anonymous |
| 277 | * |
| 278 | * @return User|null |
| 279 | */ |
| 280 | protected function getUserForUpdatesOrNull(): ?User { |
| 281 | if ( !$this->userForUpdates ) { |
| 282 | $this->userForUpdates = $this->getUser()->getInstanceForUpdate(); |
| 283 | } |
| 284 | |
| 285 | return $this->userForUpdates; |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Returns preferences form descriptor |
| 290 | * @return mixed[][] |
| 291 | */ |
| 292 | protected function getPreferences() { |
| 293 | if ( !$this->preferences ) { |
| 294 | $this->preferences = $this->preferencesFactory->getFormDescriptor( |
| 295 | $this->getUserForUpdates(), |
| 296 | $this->getContext() |
| 297 | ); |
| 298 | } |
| 299 | return $this->preferences; |
| 300 | } |
| 301 | |
| 302 | protected function getUserOptionsManager(): UserOptionsManager { |
| 303 | return $this->userOptionsManager; |
| 304 | } |
| 305 | |
| 306 | protected function getPreferencesFactory(): PreferencesFactory { |
| 307 | return $this->preferencesFactory; |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Reset preferences of the specified kinds |
| 312 | * |
| 313 | * @param string[] $kinds One or more types returned by UserOptionsManager::listOptionKinds() or 'all' |
| 314 | */ |
| 315 | abstract protected function resetPreferences( array $kinds ); |
| 316 | |
| 317 | /** |
| 318 | * Sets one user preference to be applied by commitChanges() |
| 319 | * |
| 320 | * @param string $preference |
| 321 | * @param mixed $value |
| 322 | */ |
| 323 | abstract protected function setPreference( $preference, $value ); |
| 324 | |
| 325 | /** |
| 326 | * Applies changes to user preferences |
| 327 | */ |
| 328 | abstract protected function commitChanges(); |
| 329 | |
| 330 | public function mustBePosted() { |
| 331 | return true; |
| 332 | } |
| 333 | |
| 334 | public function isWriteMode() { |
| 335 | return true; |
| 336 | } |
| 337 | |
| 338 | public function getAllowedParams() { |
| 339 | $optionKinds = $this->preferencesFactory->listResetKinds(); |
| 340 | $optionKinds[] = 'all'; |
| 341 | |
| 342 | return [ |
| 343 | 'reset' => false, |
| 344 | 'resetkinds' => [ |
| 345 | ParamValidator::PARAM_TYPE => $optionKinds, |
| 346 | ParamValidator::PARAM_DEFAULT => 'all', |
| 347 | ParamValidator::PARAM_ISMULTI => true |
| 348 | ], |
| 349 | 'change' => [ |
| 350 | ParamValidator::PARAM_ISMULTI => true, |
| 351 | ], |
| 352 | 'optionname' => [ |
| 353 | ParamValidator::PARAM_TYPE => 'string', |
| 354 | ], |
| 355 | 'optionvalue' => [ |
| 356 | ParamValidator::PARAM_TYPE => 'string', |
| 357 | ], |
| 358 | ]; |
| 359 | } |
| 360 | |
| 361 | public function needsToken() { |
| 362 | return 'csrf'; |
| 363 | } |
| 364 | } |