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| 1 | <?php |
| 2 | |
| 3 | declare( strict_types=1 ); |
| 4 | |
| 5 | namespace MediaWiki\Extension\CampaignEvents\TrackingTool\Tool; |
| 6 | |
| 7 | use IDBAccessObject; |
| 8 | use JsonException; |
| 9 | use LogicException; |
| 10 | use MediaWiki\Extension\CampaignEvents\Event\EventRegistration; |
| 11 | use MediaWiki\Extension\CampaignEvents\Event\ExistingEventRegistration; |
| 12 | use MediaWiki\Extension\CampaignEvents\MWEntity\CampaignsCentralUserLookup; |
| 13 | use MediaWiki\Extension\CampaignEvents\MWEntity\CentralUser; |
| 14 | use MediaWiki\Extension\CampaignEvents\Participants\Participant; |
| 15 | use MediaWiki\Extension\CampaignEvents\Participants\ParticipantsStore; |
| 16 | use MediaWiki\Extension\CampaignEvents\TrackingTool\InvalidToolURLException; |
| 17 | use MediaWiki\Http\HttpRequestFactory; |
| 18 | use Message; |
| 19 | use MWHttpRequest; |
| 20 | use StatusValue; |
| 21 | use Wikimedia\Assert\Assert; |
| 22 | |
| 23 | /** |
| 24 | * This class implements the WikiEduDashboard software as a tracking tool. |
| 25 | */ |
| 26 | class WikiEduDashboard extends TrackingTool { |
| 27 | private HttpRequestFactory $httpRequestFactory; |
| 28 | private CampaignsCentralUserLookup $centralUserLookup; |
| 29 | private ParticipantsStore $participantsStore; |
| 30 | |
| 31 | private string $apiSecret; |
| 32 | private ?string $apiProxy; |
| 33 | |
| 34 | /** |
| 35 | * @inheritDoc |
| 36 | */ |
| 37 | public function __construct( |
| 38 | HttpRequestFactory $httpRequestFactory, |
| 39 | CampaignsCentralUserLookup $centralUserLookup, |
| 40 | ParticipantsStore $participantsStore, |
| 41 | int $dbID, |
| 42 | string $baseURL, |
| 43 | array $extra |
| 44 | ) { |
| 45 | parent::__construct( $dbID, $baseURL, $extra ); |
| 46 | $this->httpRequestFactory = $httpRequestFactory; |
| 47 | $this->centralUserLookup = $centralUserLookup; |
| 48 | $this->participantsStore = $participantsStore; |
| 49 | $this->apiSecret = $extra['secret']; |
| 50 | $this->apiProxy = $extra['proxy']; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @inheritDoc |
| 55 | */ |
| 56 | public function validateToolAddition( |
| 57 | EventRegistration $event, |
| 58 | array $organizers, |
| 59 | string $toolEventID |
| 60 | ): StatusValue { |
| 61 | return $this->makeNewEventRequest( null, $organizers, $toolEventID, true ); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @inheritDoc |
| 66 | */ |
| 67 | public function addToNewEvent( |
| 68 | int $eventID, |
| 69 | EventRegistration $event, |
| 70 | array $organizers, |
| 71 | string $toolEventID |
| 72 | ): StatusValue { |
| 73 | return $this->makeNewEventRequest( $eventID, $organizers, $toolEventID, false ); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @inheritDoc |
| 78 | */ |
| 79 | public function addToExistingEvent( |
| 80 | ExistingEventRegistration $event, |
| 81 | array $organizers, |
| 82 | string $toolEventID |
| 83 | ): StatusValue { |
| 84 | $addToolStatus = $this->makeNewEventRequest( $event->getID(), $organizers, $toolEventID, false ); |
| 85 | if ( !$addToolStatus->isGood() ) { |
| 86 | return $addToolStatus; |
| 87 | } |
| 88 | // Also sync the participants, as the dashboard won't do that automatically when syncing an event. |
| 89 | // This is particularly important when the tool is added to an event that already has participants, as |
| 90 | // is potentially the case for existing events. |
| 91 | return $this->syncParticipants( $event, $toolEventID, false ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * @param int|null $eventID May only be null when $dryRun is true |
| 96 | * @param CentralUser[] $organizers |
| 97 | * @param string $toolEventID |
| 98 | * @param bool $dryRun |
| 99 | * @return StatusValue |
| 100 | */ |
| 101 | private function makeNewEventRequest( |
| 102 | ?int $eventID, |
| 103 | array $organizers, |
| 104 | string $toolEventID, |
| 105 | bool $dryRun |
| 106 | ): StatusValue { |
| 107 | Assert::precondition( $eventID !== null || $dryRun, 'Cannot sync tools with events without ID' ); |
| 108 | $organizerIDsMap = array_fill_keys( |
| 109 | array_map( static fn ( CentralUser $u ) => $u->getCentralID(), $organizers ), |
| 110 | null |
| 111 | ); |
| 112 | $organizerNames = array_values( $this->centralUserLookup->getNames( $organizerIDsMap ) ); |
| 113 | return $this->makePostRequest( |
| 114 | 'confirm_event_sync', |
| 115 | $eventID, |
| 116 | $toolEventID, |
| 117 | $dryRun, |
| 118 | [ |
| 119 | 'organizer_usernames' => $organizerNames, |
| 120 | ] |
| 121 | ); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * @inheritDoc |
| 126 | */ |
| 127 | public function validateToolRemoval( ExistingEventRegistration $event, string $toolEventID ): StatusValue { |
| 128 | $status = $this->makePostRequest( |
| 129 | 'unsync_event', |
| 130 | $event->getID(), |
| 131 | $toolEventID, |
| 132 | true |
| 133 | ); |
| 134 | if ( |
| 135 | $status->hasMessage( 'campaignevents-tracking-tool-wikiedu-course-not-found-error' ) || |
| 136 | $status->hasMessage( 'campaignevents-tracking-tool-wikiedu-not-connected-error' ) |
| 137 | ) { |
| 138 | // T358732 - Do not fail if the course no longer exists in the Dashboard |
| 139 | // T363187 - Do not fail if the course has been unsynced somehow |
| 140 | return StatusValue::newGood(); |
| 141 | } |
| 142 | return $status; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * @inheritDoc |
| 147 | */ |
| 148 | public function removeFromEvent( ExistingEventRegistration $event, string $toolEventID ): StatusValue { |
| 149 | $status = $this->makePostRequest( |
| 150 | 'unsync_event', |
| 151 | $event->getID(), |
| 152 | $toolEventID, |
| 153 | false |
| 154 | ); |
| 155 | if ( |
| 156 | $status->hasMessage( 'campaignevents-tracking-tool-wikiedu-course-not-found-error' ) || |
| 157 | $status->hasMessage( 'campaignevents-tracking-tool-wikiedu-not-connected-error' ) |
| 158 | ) { |
| 159 | // T358732 - Do not fail if the course no longer exists in the Dashboard |
| 160 | // T363187 - Do not fail if the course has been unsynced somehow |
| 161 | return StatusValue::newGood(); |
| 162 | } |
| 163 | return $status; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * @inheritDoc |
| 168 | */ |
| 169 | public function validateEventDeletion( ExistingEventRegistration $event, string $toolEventID ): StatusValue { |
| 170 | return $this->validateToolRemoval( $event, $toolEventID ); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * @inheritDoc |
| 175 | */ |
| 176 | public function onEventDeleted( ExistingEventRegistration $event, string $toolEventID ): StatusValue { |
| 177 | return $this->removeFromEvent( $event, $toolEventID ); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * @inheritDoc |
| 182 | */ |
| 183 | public function validateParticipantAdded( |
| 184 | ExistingEventRegistration $event, |
| 185 | string $toolEventID, |
| 186 | CentralUser $participant, |
| 187 | bool $private |
| 188 | ): StatusValue { |
| 189 | return $this->syncParticipants( $event, $toolEventID, true ); |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * @inheritDoc |
| 194 | */ |
| 195 | public function addParticipant( |
| 196 | ExistingEventRegistration $event, |
| 197 | string $toolEventID, |
| 198 | CentralUser $participant, |
| 199 | bool $private |
| 200 | ): StatusValue { |
| 201 | // Note, even if private participants aren't synced, this method can also be called when a previously-public |
| 202 | // participant switches to private, so we must sync participant all the same. |
| 203 | return $this->syncParticipants( $event, $toolEventID, false ); |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @inheritDoc |
| 208 | */ |
| 209 | public function validateParticipantsRemoved( |
| 210 | ExistingEventRegistration $event, |
| 211 | string $toolEventID, |
| 212 | ?array $participants, |
| 213 | bool $invertSelection |
| 214 | ): StatusValue { |
| 215 | return $this->syncParticipants( $event, $toolEventID, true ); |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * @inheritDoc |
| 220 | */ |
| 221 | public function removeParticipants( |
| 222 | ExistingEventRegistration $event, |
| 223 | string $toolEventID, |
| 224 | ?array $participants, |
| 225 | bool $invertSelection |
| 226 | ): StatusValue { |
| 227 | return $this->syncParticipants( $event, $toolEventID, false ); |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * @param ExistingEventRegistration $event |
| 232 | * @param string $toolEventID |
| 233 | * @param bool $dryRun |
| 234 | * @return StatusValue |
| 235 | */ |
| 236 | private function syncParticipants( |
| 237 | ExistingEventRegistration $event, |
| 238 | string $toolEventID, |
| 239 | bool $dryRun |
| 240 | ): StatusValue { |
| 241 | $eventID = $event->getID(); |
| 242 | $latestParticipants = $this->participantsStore->getEventParticipants( |
| 243 | $eventID, |
| 244 | null, |
| 245 | null, |
| 246 | null, |
| 247 | null, |
| 248 | false, |
| 249 | null, |
| 250 | IDBAccessObject::READ_LATEST |
| 251 | ); |
| 252 | $participantIDsMap = array_fill_keys( |
| 253 | array_map( static fn ( Participant $p ) => $p->getUser()->getCentralID(), $latestParticipants ), |
| 254 | null |
| 255 | ); |
| 256 | $participantNames = array_values( $this->centralUserLookup->getNames( $participantIDsMap ) ); |
| 257 | return $this->makePostRequest( |
| 258 | 'update_event_participants', |
| 259 | $eventID, |
| 260 | $toolEventID, |
| 261 | $dryRun, |
| 262 | [ |
| 263 | 'participant_usernames' => $participantNames |
| 264 | ] |
| 265 | ); |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * @param string $endpoint |
| 270 | * @param int|null $eventID |
| 271 | * @param string $courseID |
| 272 | * @param bool $dryRun |
| 273 | * @param array $extraParams |
| 274 | * @return StatusValue |
| 275 | */ |
| 276 | private function makePostRequest( |
| 277 | string $endpoint, |
| 278 | ?int $eventID, |
| 279 | string $courseID, |
| 280 | bool $dryRun, |
| 281 | array $extraParams = [] |
| 282 | ): StatusValue { |
| 283 | $postData = $extraParams + [ |
| 284 | 'course_slug' => $courseID, |
| 285 | 'secret' => $this->apiSecret, |
| 286 | 'dry_run' => $dryRun, |
| 287 | ]; |
| 288 | if ( $eventID !== null ) { |
| 289 | $postData['event_id'] = $eventID; |
| 290 | } |
| 291 | $options = [ |
| 292 | 'method' => 'POST', |
| 293 | 'timeout' => 5, |
| 294 | 'postData' => json_encode( $postData ) |
| 295 | ]; |
| 296 | if ( $this->apiProxy ) { |
| 297 | $options['proxy'] = $this->apiProxy; |
| 298 | } |
| 299 | $req = $this->httpRequestFactory->create( |
| 300 | $this->baseURL . 'wikimedia_event_center/' . $endpoint, |
| 301 | $options, |
| 302 | __METHOD__ |
| 303 | ); |
| 304 | $req->setHeader( 'Content-Type', 'application/json' ); |
| 305 | |
| 306 | $status = $req->execute(); |
| 307 | $respObj = $this->parseResponseJSON( $req ); |
| 308 | if ( $respObj === null ) { |
| 309 | return StatusValue::newFatal( 'campaignevents-tracking-tool-http-error' ); |
| 310 | } |
| 311 | if ( $status->isGood() ) { |
| 312 | return StatusValue::newGood(); |
| 313 | } |
| 314 | return $this->makeErrorStatus( $respObj, $courseID ); |
| 315 | } |
| 316 | |
| 317 | private function parseResponseJSON( MWHttpRequest $request ): ?array { |
| 318 | $contentTypeHeader = $request->getResponseHeader( 'Content-Type' ); |
| 319 | if ( !$contentTypeHeader ) { |
| 320 | return null; |
| 321 | } |
| 322 | $contentType = strtolower( explode( ';', $contentTypeHeader )[0] ); |
| 323 | if ( $contentType !== 'application/json' ) { |
| 324 | return null; |
| 325 | } |
| 326 | |
| 327 | try { |
| 328 | $parsedResponse = json_decode( $request->getContent(), true, 512, JSON_THROW_ON_ERROR ); |
| 329 | } catch ( JsonException $_ ) { |
| 330 | return null; |
| 331 | } |
| 332 | |
| 333 | return is_array( $parsedResponse ) ? $parsedResponse : null; |
| 334 | } |
| 335 | |
| 336 | /** |
| 337 | * @param array $response |
| 338 | * @param string $courseID |
| 339 | * @return StatusValue |
| 340 | */ |
| 341 | private function makeErrorStatus( array $response, string $courseID ): StatusValue { |
| 342 | if ( !isset( $response['error_code'] ) ) { |
| 343 | return StatusValue::newFatal( 'campaignevents-tracking-tool-http-error' ); |
| 344 | } |
| 345 | |
| 346 | switch ( $response['error_code'] ) { |
| 347 | case 'invalid_secret': |
| 348 | $msg = 'campaignevents-tracking-tool-wikiedu-config-error'; |
| 349 | $params = [ new Message( 'campaignevents-tracking-tool-p&e-dashboard-name' ) ]; |
| 350 | break; |
| 351 | case 'course_not_found': |
| 352 | $msg = 'campaignevents-tracking-tool-wikiedu-course-not-found-error'; |
| 353 | $params = [ |
| 354 | $courseID, |
| 355 | new Message( 'campaignevents-tracking-tool-p&e-dashboard-name' ) |
| 356 | ]; |
| 357 | break; |
| 358 | case 'not_organizer': |
| 359 | $msg = 'campaignevents-tracking-tool-wikiedu-not-organizer-error'; |
| 360 | $params = [ $courseID ]; |
| 361 | break; |
| 362 | case 'already_in_use': |
| 363 | $msg = 'campaignevents-tracking-tool-wikiedu-already-in-use-error'; |
| 364 | $params = [ $courseID ]; |
| 365 | break; |
| 366 | case 'sync_already_enabled': |
| 367 | $msg = 'campaignevents-tracking-tool-wikiedu-already-connected-error'; |
| 368 | $params = [ $courseID ]; |
| 369 | break; |
| 370 | case 'sync_not_enabled': |
| 371 | $msg = 'campaignevents-tracking-tool-wikiedu-not-connected-error'; |
| 372 | $params = [ $courseID ]; |
| 373 | break; |
| 374 | case 'missing_event_id': |
| 375 | // This should never happen. |
| 376 | throw new LogicException( 'Made request to the Dashboard without an event ID.' ); |
| 377 | default: |
| 378 | $msg = 'campaignevents-tracking-tool-http-error'; |
| 379 | $params = []; |
| 380 | break; |
| 381 | } |
| 382 | return StatusValue::newFatal( $msg, ...$params ); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * @inheritDoc |
| 387 | */ |
| 388 | public static function buildToolEventURL( string $baseURL, string $toolEventID ): string { |
| 389 | return rtrim( $baseURL, '/' ) . '/courses/' . $toolEventID; |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * @inheritDoc |
| 394 | */ |
| 395 | public static function extractEventIDFromURL( string $baseURL, string $url ): string { |
| 396 | if ( str_starts_with( $url, '//' ) ) { |
| 397 | // Protocol-relative, assume HTTPS |
| 398 | $urlBits = parse_url( "https:$url" ); |
| 399 | } else { |
| 400 | $urlBits = parse_url( $url ); |
| 401 | if ( !isset( $urlBits['scheme'] ) ) { |
| 402 | // Missing protocol, assume HTTPS |
| 403 | $urlBits = parse_url( "https://$url" ); |
| 404 | } |
| 405 | } |
| 406 | if ( $urlBits === false ) { |
| 407 | throw new InvalidToolURLException( $baseURL, 'Badly malformed URL: ' . $url ); |
| 408 | } |
| 409 | if ( !isset( $urlBits['scheme'] ) ) { |
| 410 | // Probably shouldn't happen given the fixes above, but just to be sure... |
| 411 | throw new InvalidToolURLException( $baseURL, 'No scheme: ' . $url ); |
| 412 | } |
| 413 | if ( !isset( $urlBits['host'] ) ) { |
| 414 | throw new InvalidToolURLException( $baseURL, 'No host: ' . $url ); |
| 415 | } |
| 416 | $scheme = strtolower( $urlBits['scheme'] ); |
| 417 | if ( $scheme !== 'https' && $scheme !== 'http' ) { |
| 418 | throw new InvalidToolURLException( $baseURL, 'Bad scheme: ' . $url ); |
| 419 | } |
| 420 | $expectedHost = parse_url( $baseURL, PHP_URL_HOST ); |
| 421 | if ( strtolower( $urlBits['host'] ) !== $expectedHost ) { |
| 422 | throw new InvalidToolURLException( $baseURL, 'Bad host: ' . $url ); |
| 423 | } |
| 424 | if ( !isset( $urlBits['path'] ) ) { |
| 425 | throw new InvalidToolURLException( $baseURL, 'No path: ' . $url ); |
| 426 | } |
| 427 | |
| 428 | $pathBits = explode( '/', trim( $urlBits['path'], '/' ) ); |
| 429 | if ( count( $pathBits ) !== 3 || $pathBits[0] !== 'courses' ) { |
| 430 | throw new InvalidToolURLException( $baseURL, 'Invalid path: ' . $url ); |
| 431 | } |
| 432 | |
| 433 | return urldecode( $pathBits[1] ) . '/' . urldecode( $pathBits[2] ); |
| 434 | } |
| 435 | } |