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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * http://www.gnu.org/copyleft/gpl.html |
| 18 | */ |
| 19 | |
| 20 | namespace MediaWiki\Extension\OATHAuth\Special; |
| 21 | |
| 22 | use HTMLForm; |
| 23 | use MediaWiki\Config\ConfigException; |
| 24 | use MediaWiki\Extension\OATHAuth\HTMLForm\IManageForm; |
| 25 | use MediaWiki\Extension\OATHAuth\IModule; |
| 26 | use MediaWiki\Extension\OATHAuth\OATHAuthModuleRegistry; |
| 27 | use MediaWiki\Extension\OATHAuth\OATHUser; |
| 28 | use MediaWiki\Extension\OATHAuth\OATHUserRepository; |
| 29 | use MediaWiki\Html\Html; |
| 30 | use MediaWiki\SpecialPage\SpecialPage; |
| 31 | use Message; |
| 32 | use MWException; |
| 33 | use OOUI\ButtonWidget; |
| 34 | use OOUI\HorizontalLayout; |
| 35 | use OOUI\HtmlSnippet; |
| 36 | use OOUI\LabelWidget; |
| 37 | use OOUI\PanelLayout; |
| 38 | use PermissionsError; |
| 39 | use UserNotLoggedIn; |
| 40 | |
| 41 | class OATHManage extends SpecialPage { |
| 42 | public const ACTION_ENABLE = 'enable'; |
| 43 | public const ACTION_DISABLE = 'disable'; |
| 44 | |
| 45 | protected OATHAuthModuleRegistry $moduleRegistry; |
| 46 | |
| 47 | protected OATHUserRepository $userRepo; |
| 48 | |
| 49 | protected OATHUser $authUser; |
| 50 | |
| 51 | /** |
| 52 | * @var string |
| 53 | */ |
| 54 | protected $action; |
| 55 | |
| 56 | /** |
| 57 | * @var IModule|null |
| 58 | */ |
| 59 | protected $requestedModule; |
| 60 | |
| 61 | /** |
| 62 | * Initializes a page to manage available 2FA modules |
| 63 | * |
| 64 | * @param OATHUserRepository $userRepo |
| 65 | * @param OATHAuthModuleRegistry $moduleRegistry |
| 66 | * |
| 67 | * @throws ConfigException |
| 68 | * @throws MWException |
| 69 | */ |
| 70 | public function __construct( OATHUserRepository $userRepo, OATHAuthModuleRegistry $moduleRegistry ) { |
| 71 | // messages used: oathmanage (display "name" on Special:SpecialPages), |
| 72 | // right-oathauth-enable, action-oathauth-enable |
| 73 | parent::__construct( 'OATHManage', 'oathauth-enable' ); |
| 74 | |
| 75 | $this->userRepo = $userRepo; |
| 76 | $this->moduleRegistry = $moduleRegistry; |
| 77 | $this->authUser = $this->userRepo->findByUser( $this->getUser() ); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @inheritDoc |
| 82 | */ |
| 83 | protected function getGroupName() { |
| 84 | return 'login'; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @param null|string $subPage |
| 89 | */ |
| 90 | public function execute( $subPage ) { |
| 91 | $this->getOutput()->enableOOUI(); |
| 92 | $this->getOutput()->disallowUserJs(); |
| 93 | $this->setAction(); |
| 94 | $this->setModule(); |
| 95 | |
| 96 | parent::execute( $subPage ); |
| 97 | |
| 98 | if ( $this->requestedModule instanceof IModule ) { |
| 99 | // Performing an action on a requested module |
| 100 | $this->clearPage(); |
| 101 | if ( $this->shouldShowDisableWarning() ) { |
| 102 | $this->showDisableWarning(); |
| 103 | return; |
| 104 | } |
| 105 | $this->addModuleHTML( $this->requestedModule ); |
| 106 | return; |
| 107 | } |
| 108 | |
| 109 | $this->addGeneralHelp(); |
| 110 | if ( $this->authUser->isTwoFactorAuthEnabled() ) { |
| 111 | $this->addEnabledHTML(); |
| 112 | if ( $this->hasAlternativeModules() ) { |
| 113 | $this->addAlternativesHTML(); |
| 114 | } |
| 115 | return; |
| 116 | } |
| 117 | $this->nothingEnabled(); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * @throws PermissionsError |
| 122 | * @throws UserNotLoggedIn |
| 123 | */ |
| 124 | public function checkPermissions() { |
| 125 | $this->requireLogin(); |
| 126 | |
| 127 | $canEnable = $this->getUser()->isAllowed( 'oathauth-enable' ); |
| 128 | |
| 129 | if ( $this->action === static::ACTION_ENABLE && !$canEnable ) { |
| 130 | $this->displayRestrictionError(); |
| 131 | } |
| 132 | |
| 133 | if ( !$this->authUser->isTwoFactorAuthEnabled() && !$canEnable ) { |
| 134 | // No enabled module and cannot enable - nothing to do |
| 135 | $this->displayRestrictionError(); |
| 136 | } |
| 137 | |
| 138 | if ( $this->action === static::ACTION_ENABLE && !$this->getRequest()->wasPosted() ) { |
| 139 | // Trying to change the 2FA method (one is already enabled) |
| 140 | $this->checkLoginSecurityLevel( 'oathauth-enable' ); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | private function setAction(): void { |
| 145 | $this->action = $this->getRequest()->getVal( 'action', '' ); |
| 146 | } |
| 147 | |
| 148 | private function setModule(): void { |
| 149 | $moduleKey = $this->getRequest()->getVal( 'module', '' ); |
| 150 | $this->requestedModule = $this->moduleRegistry->getModuleByKey( $moduleKey ); |
| 151 | } |
| 152 | |
| 153 | private function addEnabledHTML(): void { |
| 154 | $this->addHeading( $this->msg( 'oathauth-ui-enabled-module' ) ); |
| 155 | $this->addModuleHTML( $this->authUser->getModule() ); |
| 156 | } |
| 157 | |
| 158 | private function addAlternativesHTML(): void { |
| 159 | $this->addHeading( $this->msg( 'oathauth-ui-not-enabled-modules' ) ); |
| 160 | $this->addInactiveHTML(); |
| 161 | } |
| 162 | |
| 163 | private function nothingEnabled(): void { |
| 164 | $this->addHeading( $this->msg( 'oathauth-ui-available-modules' ) ); |
| 165 | $this->addInactiveHTML(); |
| 166 | } |
| 167 | |
| 168 | private function addInactiveHTML(): void { |
| 169 | foreach ( $this->moduleRegistry->getAllModules() as $module ) { |
| 170 | if ( $this->isModuleEnabled( $module ) ) { |
| 171 | continue; |
| 172 | } |
| 173 | $this->addModuleHTML( $module ); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | private function addGeneralHelp(): void { |
| 178 | $this->getOutput()->addHTML( $this->msg( |
| 179 | 'oathauth-ui-general-help' |
| 180 | )->parseAsBlock() ); |
| 181 | } |
| 182 | |
| 183 | private function addModuleHTML( ?IModule $module ): void { |
| 184 | if ( $module instanceof IModule && $this->isModuleRequested( $module ) ) { |
| 185 | $this->addCustomContent( $module ); |
| 186 | return; |
| 187 | } |
| 188 | |
| 189 | $panel = $this->getGenericContent( $module ); |
| 190 | if ( $module instanceof IModule && $this->isModuleEnabled( $module ) ) { |
| 191 | $this->addCustomContent( $module, $panel ); |
| 192 | } |
| 193 | |
| 194 | $this->getOutput()->addHTML( (string)$panel ); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Get the panel with generic content for a module |
| 199 | */ |
| 200 | private function getGenericContent( ?IModule $module ): PanelLayout { |
| 201 | $modulePanel = new PanelLayout( [ |
| 202 | 'framed' => true, |
| 203 | 'expanded' => false, |
| 204 | 'padded' => true |
| 205 | ] ); |
| 206 | $headerLayout = new HorizontalLayout(); |
| 207 | |
| 208 | $label = new LabelWidget( [ |
| 209 | 'label' => $module->getDisplayName()->text() |
| 210 | ] ); |
| 211 | if ( $this->shouldShowGenericButtons() ) { |
| 212 | $enabled = $module && $this->isModuleEnabled( $module ); |
| 213 | $button = new ButtonWidget( [ |
| 214 | 'label' => $this |
| 215 | ->msg( $enabled ? 'oathauth-disable-generic' : 'oathauth-enable-generic' ) |
| 216 | ->text(), |
| 217 | 'href' => $this->getOutput()->getTitle()->getLocalURL( [ |
| 218 | 'action' => $enabled ? static::ACTION_DISABLE : static::ACTION_ENABLE, |
| 219 | 'module' => $module->getName(), |
| 220 | 'warn' => 1 |
| 221 | ] ) |
| 222 | ] ); |
| 223 | $headerLayout->addItems( [ $button ] ); |
| 224 | } |
| 225 | $headerLayout->addItems( [ $label ] ); |
| 226 | |
| 227 | $modulePanel->appendContent( $headerLayout ); |
| 228 | $modulePanel->appendContent( new HtmlSnippet( |
| 229 | $module->getDescriptionMessage()->parseAsBlock() |
| 230 | ) ); |
| 231 | return $modulePanel; |
| 232 | } |
| 233 | |
| 234 | private function addCustomContent( IModule $module, PanelLayout $panel = null ): void { |
| 235 | $form = $module->getManageForm( |
| 236 | $this->action, |
| 237 | $this->authUser, |
| 238 | $this->userRepo, |
| 239 | $this->getContext() |
| 240 | ); |
| 241 | if ( $form === null || !$this->isValidFormType( $form ) ) { |
| 242 | return; |
| 243 | } |
| 244 | $form->setTitle( $this->getOutput()->getTitle() ); |
| 245 | $this->ensureRequiredFormFields( $form, $module ); |
| 246 | $form->setSubmitCallback( [ $form, 'onSubmit' ] ); |
| 247 | if ( $form->show( $panel ) ) { |
| 248 | $form->onSuccess(); |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | private function addHeading( Message $message ): void { |
| 253 | $this->getOutput()->addHTML( Html::element( 'h2', [], $message->text() ) ); |
| 254 | } |
| 255 | |
| 256 | private function shouldShowGenericButtons(): bool { |
| 257 | return !$this->requestedModule instanceof IModule || !$this->isGenericAction(); |
| 258 | } |
| 259 | |
| 260 | private function isModuleRequested( ?IModule $module ): bool { |
| 261 | return ( |
| 262 | $this->requestedModule instanceof IModule |
| 263 | && $module instanceof IModule |
| 264 | && $this->requestedModule->getName() === $module->getName() |
| 265 | ); |
| 266 | } |
| 267 | |
| 268 | private function isModuleEnabled( IModule $module ): bool { |
| 269 | $enabled = $this->authUser->getModule(); |
| 270 | if ( !$enabled ) { |
| 271 | return false; |
| 272 | } |
| 273 | return $enabled->getName() === $module->getName(); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Verifies if the given form instance fulfills the required conditions |
| 278 | * |
| 279 | * @param mixed $form |
| 280 | * @return bool |
| 281 | */ |
| 282 | private function isValidFormType( $form ): bool { |
| 283 | if ( !( $form instanceof HTMLForm ) ) { |
| 284 | return false; |
| 285 | } |
| 286 | $implements = class_implements( $form ); |
| 287 | if ( !isset( $implements[IManageForm::class] ) ) { |
| 288 | return false; |
| 289 | } |
| 290 | |
| 291 | return true; |
| 292 | } |
| 293 | |
| 294 | private function ensureRequiredFormFields( IManageForm $form, IModule $module ): void { |
| 295 | if ( !$form->hasField( 'module' ) ) { |
| 296 | $form->addHiddenField( 'module', $module->getName() ); |
| 297 | } |
| 298 | if ( !$form->hasField( 'action' ) ) { |
| 299 | $form->addHiddenField( 'action', $this->action ); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * When performing an action on a module (like enable/disable), |
| 305 | * page should contain only the form for that action. |
| 306 | */ |
| 307 | private function clearPage(): void { |
| 308 | if ( $this->isGenericAction() ) { |
| 309 | $displayName = $this->requestedModule->getDisplayName(); |
| 310 | $pageTitleMessage = $this->isModuleEnabled( $this->requestedModule ) ? |
| 311 | $this->msg( 'oathauth-disable-page-title', $displayName ) : |
| 312 | $this->msg( 'oathauth-enable-page-title', $displayName ); |
| 313 | $this->getOutput()->setPageTitleMsg( $pageTitleMessage ); |
| 314 | } |
| 315 | |
| 316 | $this->getOutput()->clearHTML(); |
| 317 | $this->getOutput()->addBacklinkSubtitle( $this->getOutput()->getTitle() ); |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * The enable and disable actions are generic, and all modules must |
| 322 | * implement them, while all other actions are module-specific. |
| 323 | */ |
| 324 | private function isGenericAction(): bool { |
| 325 | return in_array( $this->action, [ static::ACTION_ENABLE, static::ACTION_DISABLE ] ); |
| 326 | } |
| 327 | |
| 328 | private function hasAlternativeModules(): bool { |
| 329 | foreach ( $this->moduleRegistry->getAllModules() as $module ) { |
| 330 | if ( !$this->isModuleEnabled( $module ) ) { |
| 331 | return true; |
| 332 | } |
| 333 | } |
| 334 | return false; |
| 335 | } |
| 336 | |
| 337 | private function shouldShowDisableWarning(): bool { |
| 338 | return $this->getRequest()->getBool( 'warn' ) && |
| 339 | $this->requestedModule instanceof IModule && |
| 340 | $this->authUser->isTwoFactorAuthEnabled(); |
| 341 | } |
| 342 | |
| 343 | private function showDisableWarning(): void { |
| 344 | $panel = new PanelLayout( [ |
| 345 | 'padded' => true, |
| 346 | 'framed' => true, |
| 347 | 'expanded' => false |
| 348 | ] ); |
| 349 | $headerMessage = $this->isSwitch() ? |
| 350 | $this->msg( 'oathauth-switch-method-warning-header' ) : |
| 351 | $this->msg( 'oathauth-disable-method-warning-header' ); |
| 352 | $genericMessage = $this->isSwitch() ? |
| 353 | $this->msg( |
| 354 | 'oathauth-switch-method-warning', |
| 355 | $this->authUser->getModule()->getDisplayName(), |
| 356 | $this->requestedModule->getDisplayName() |
| 357 | ) : |
| 358 | $this->msg( 'oathauth-disable-method-warning', $this->authUser->getModule()->getDisplayName() ); |
| 359 | |
| 360 | $panel->appendContent( new HtmlSnippet( |
| 361 | $genericMessage->parseAsBlock() |
| 362 | ) ); |
| 363 | |
| 364 | $customMessage = $this->authUser->getModule()->getDisableWarningMessage(); |
| 365 | if ( $customMessage instanceof Message ) { |
| 366 | $panel->appendContent( new HtmlSnippet( |
| 367 | $customMessage->parseAsBlock() |
| 368 | ) ); |
| 369 | } |
| 370 | |
| 371 | $button = new ButtonWidget( [ |
| 372 | 'label' => $this->msg( 'oathauth-disable-method-warning-button-label' )->plain(), |
| 373 | 'href' => $this->getOutput()->getTitle()->getLocalURL( [ |
| 374 | 'action' => $this->action, |
| 375 | 'module' => $this->requestedModule->getName() |
| 376 | ] ), |
| 377 | 'flags' => [ 'primary', 'progressive' ] |
| 378 | ] ); |
| 379 | $panel->appendContent( $button ); |
| 380 | |
| 381 | $this->getOutput()->setPageTitleMsg( $headerMessage ); |
| 382 | $this->getOutput()->addHTML( $panel->toString() ); |
| 383 | } |
| 384 | |
| 385 | private function isSwitch(): bool { |
| 386 | return $this->requestedModule instanceof IModule && |
| 387 | $this->action === static::ACTION_ENABLE && |
| 388 | $this->authUser->isTwoFactorAuthEnabled(); |
| 389 | } |
| 390 | |
| 391 | } |