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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Config\Config; |
| 4 | use MediaWiki\MediaWikiServices; |
| 5 | use MobileFrontend\Devices\DeviceDetectorService; |
| 6 | use MobileFrontend\Hooks\HookRunner; |
| 7 | use MobileFrontend\WMFBaseDomainExtractor; |
| 8 | use Wikimedia\IPUtils; |
| 9 | |
| 10 | /** |
| 11 | * Provide various request-dependant methods to use in mobile context |
| 12 | */ |
| 13 | class MobileContext extends ContextSource { |
| 14 | public const MODE_BETA = 'beta'; |
| 15 | public const MODE_STABLE = 'stable'; |
| 16 | public const OPTIN_COOKIE_NAME = 'optin'; |
| 17 | public const STOP_MOBILE_REDIRECT_COOKIE_NAME = 'stopMobileRedirect'; |
| 18 | public const USEFORMAT_COOKIE_NAME = 'mf_useformat'; |
| 19 | public const USER_MODE_PREFERENCE_NAME = 'mfMode'; |
| 20 | |
| 21 | // Keep in sync with https://wikitech.wikimedia.org/wiki/X-Analytics. |
| 22 | private const ANALYTICS_HEADER_KEY = 'mf-m'; |
| 23 | private const ANALYTICS_HEADER_DELIMITER = ','; |
| 24 | private const ANALYTICS_HEADER_VALUE_BETA = 'b'; |
| 25 | private const ANALYTICS_HEADER_VALUE_AMC = 'amc'; |
| 26 | |
| 27 | /** |
| 28 | * Saves the testing mode user has opted in: 'beta' or 'stable' |
| 29 | * @var string|null |
| 30 | */ |
| 31 | protected $mobileMode = null; |
| 32 | |
| 33 | /** |
| 34 | * Save explicitly requested format |
| 35 | * @var string|null |
| 36 | */ |
| 37 | protected $useFormat = null; |
| 38 | |
| 39 | /** |
| 40 | * Key/value pairs of things to add to X-Analytics response header for analytics |
| 41 | * @var array[] |
| 42 | */ |
| 43 | protected $analyticsLogItems = []; |
| 44 | |
| 45 | /** |
| 46 | * The memoized result of `MobileContext#isMobileDevice`. |
| 47 | * |
| 48 | * This defaults to `null`, meaning that `MobileContext#isMobileDevice` has |
| 49 | * yet to be called. |
| 50 | * |
| 51 | * @see MobileContext#isMobileDevice |
| 52 | * |
| 53 | * @var bool|null |
| 54 | */ |
| 55 | private $isMobileDevice = null; |
| 56 | |
| 57 | /** |
| 58 | * Saves requested Mobile action |
| 59 | * @var string|null |
| 60 | */ |
| 61 | protected $mobileAction = null; |
| 62 | |
| 63 | /** |
| 64 | * Save whether mobile view is explicitly requested |
| 65 | * @var bool |
| 66 | */ |
| 67 | private $forceMobileView = false; |
| 68 | |
| 69 | /** |
| 70 | * Save whether or not we should display the mobile view |
| 71 | * @var bool|null |
| 72 | */ |
| 73 | private $mobileView = null; |
| 74 | |
| 75 | /** |
| 76 | * Have we already checked for desktop/mobile view toggling? |
| 77 | * @var bool |
| 78 | */ |
| 79 | private $toggleViewChecked = false; |
| 80 | |
| 81 | /** |
| 82 | * @var self|null |
| 83 | */ |
| 84 | private static $instance = null; |
| 85 | |
| 86 | /** |
| 87 | * @var string|null What to switch the view to |
| 88 | */ |
| 89 | private $viewChange = null; |
| 90 | |
| 91 | /** |
| 92 | * @var string|null Domain to use for the stopMobileRedirect cookie |
| 93 | */ |
| 94 | public static $mfStopRedirectCookieHost = null; |
| 95 | |
| 96 | /** |
| 97 | * @var string|null Stores the actual mobile url template. |
| 98 | */ |
| 99 | private $mobileUrlTemplate = null; |
| 100 | |
| 101 | /** |
| 102 | * In-process cache for checking whether the current wiki has a mobile URL that's |
| 103 | * different from the desktop one. |
| 104 | * @var bool|null |
| 105 | */ |
| 106 | private $hasMobileUrl = null; |
| 107 | |
| 108 | /** |
| 109 | * @var Config |
| 110 | */ |
| 111 | private $config; |
| 112 | |
| 113 | /** |
| 114 | * Returns the actual MobileContext Instance or create a new if no exists |
| 115 | * @deprecated use MediaWikiServices::getInstance()->getService( 'MobileFrontend.Context' ); |
| 116 | * @return self |
| 117 | */ |
| 118 | public static function singleton() { |
| 119 | if ( !self::$instance ) { |
| 120 | self::$instance = new self( |
| 121 | RequestContext::getMain(), |
| 122 | MediaWikiServices::getInstance()->getService( 'MobileFrontend.Config' ) |
| 123 | ); |
| 124 | } |
| 125 | return self::$instance; |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Resets the singleton instance. |
| 130 | */ |
| 131 | public static function resetInstanceForTesting() { |
| 132 | self::$instance = null; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * @param IContextSource $context |
| 137 | * @param Config $config |
| 138 | */ |
| 139 | protected function __construct( IContextSource $context, Config $config ) { |
| 140 | $this->setContext( $context ); |
| 141 | $this->config = $config; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Detects whether the UA is sending the request from a device and, if so, |
| 146 | * whether to display the mobile view to that device. |
| 147 | * |
| 148 | * The mobile view will always be displayed to mobile devices. However, it |
| 149 | * will only be displayed to tablet devices if `$wgMFShowMobileViewToTablets` |
| 150 | * is truthy. |
| 151 | * |
| 152 | * @fixme This should be renamed to something more appropriate, e.g. |
| 153 | * `shouldDisplayMobileViewToDevice`. |
| 154 | * |
| 155 | * @see MobileContext::shouldDisplayMobileView |
| 156 | * |
| 157 | * @return bool |
| 158 | */ |
| 159 | public function isMobileDevice() { |
| 160 | if ( $this->isMobileDevice !== null ) { |
| 161 | return $this->isMobileDevice; |
| 162 | } |
| 163 | |
| 164 | $this->isMobileDevice = false; |
| 165 | |
| 166 | $properties = DeviceDetectorService::factory( $this->config ) |
| 167 | ->detectDeviceProperties( $this->getRequest(), $_SERVER ); |
| 168 | |
| 169 | if ( $properties ) { |
| 170 | $showMobileViewToTablets = $this->config->get( 'MFShowMobileViewToTablets' ); |
| 171 | |
| 172 | $this->isMobileDevice = |
| 173 | $properties->isMobileDevice() |
| 174 | || ( $properties->isTabletDevice() && $showMobileViewToTablets ); |
| 175 | } |
| 176 | |
| 177 | return $this->isMobileDevice; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Save whether mobile view should always be enforced |
| 182 | * @param bool $value should mobile view be enforced? |
| 183 | */ |
| 184 | public function setForceMobileView( $value ) { |
| 185 | $this->forceMobileView = $value; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Sets the value of $this->mobileMode property to the value of the 'optin' cookie. |
| 190 | * If the cookie is not set the value will be an empty string. |
| 191 | */ |
| 192 | private function loadMobileModeCookie() { |
| 193 | $this->mobileMode = $this->getRequest()->getCookie( self::OPTIN_COOKIE_NAME, '' ); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Returns the testing mode user has opted in: 'beta' or any other value for stable |
| 198 | * @return string |
| 199 | */ |
| 200 | private function getMobileMode() { |
| 201 | $enableBeta = $this->config->get( 'MFEnableBeta' ); |
| 202 | |
| 203 | if ( !$enableBeta ) { |
| 204 | return ''; |
| 205 | } |
| 206 | if ( $this->mobileMode === null ) { |
| 207 | $mobileAction = $this->getMobileAction(); |
| 208 | if ( $mobileAction === self::MODE_BETA || $mobileAction === self::MODE_STABLE ) { |
| 209 | $this->mobileMode = $mobileAction; |
| 210 | } else { |
| 211 | $user = $this->getUser(); |
| 212 | if ( !$user->isRegistered() ) { |
| 213 | $this->loadMobileModeCookie(); |
| 214 | } else { |
| 215 | $userOptionManager = MediaWikiServices::getInstance()->getUserOptionsManager(); |
| 216 | $mode = $userOptionManager->getOption( $user, self::USER_MODE_PREFERENCE_NAME ); |
| 217 | $this->mobileMode = $mode; |
| 218 | // Edge case where preferences are corrupt or the user opted |
| 219 | // in before change. |
| 220 | if ( $mode === null ) { |
| 221 | // Should we set the user option here? |
| 222 | $this->loadMobileModeCookie(); |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | return $this->mobileMode; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Sets testing group membership, both cookie and this class variables |
| 232 | * |
| 233 | * WARNING: Does not persist the updated user preference to the database. |
| 234 | * The caller must handle this by calling User::saveSettings() after all |
| 235 | * preference updates associated with this web request are made. |
| 236 | * |
| 237 | * @param string $mode Mode to set |
| 238 | */ |
| 239 | public function setMobileMode( $mode ) { |
| 240 | if ( $mode !== self::MODE_BETA ) { |
| 241 | $mode = ''; |
| 242 | } |
| 243 | $services = MediaWikiServices::getInstance(); |
| 244 | $stats = $services->getStatsdDataFactory(); |
| 245 | // Update statistics |
| 246 | if ( $mode === self::MODE_BETA ) { |
| 247 | $stats->updateCount( 'mobile.opt_in_cookie_set', 1 ); |
| 248 | } |
| 249 | if ( !$mode ) { |
| 250 | $stats->updateCount( 'mobile.opt_in_cookie_unset', 1 ); |
| 251 | } |
| 252 | $this->mobileMode = $mode; |
| 253 | |
| 254 | $user = $this->getUser(); |
| 255 | if ( $user->getId() ) { |
| 256 | $userOptionsManager = $services->getUserOptionsManager(); |
| 257 | $userOptionsManager->setOption( |
| 258 | $user, |
| 259 | self::USER_MODE_PREFERENCE_NAME, |
| 260 | $mode |
| 261 | ); |
| 262 | } |
| 263 | |
| 264 | $this->getRequest()->response()->setCookie( self::OPTIN_COOKIE_NAME, $mode, 0, [ |
| 265 | 'prefix' => '', |
| 266 | 'domain' => $this->getCookieDomain() |
| 267 | ] ); |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Whether user is Beta group member |
| 272 | * @return bool |
| 273 | */ |
| 274 | public function isBetaGroupMember() { |
| 275 | return $this->getMobileMode() === self::MODE_BETA; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Whether the current user is has advanced mobile contributions enabled. |
| 280 | * @return bool |
| 281 | */ |
| 282 | private static function isAmcUser() { |
| 283 | $services = MediaWikiServices::getInstance(); |
| 284 | /** @var \MobileFrontend\Amc\UserMode $userMode */ |
| 285 | $userMode = $services->getService( 'MobileFrontend.AMC.UserMode' ); |
| 286 | return $userMode->isEnabled(); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Determine whether or not we should display the mobile view |
| 291 | * |
| 292 | * Step through the hierarchy of what should or should not trigger |
| 293 | * the mobile view. |
| 294 | * |
| 295 | * Primacy is given to the page action - we will never show mobile view |
| 296 | * for page edits or page history. 'userformat' request param is then |
| 297 | * honored, followed by cookie settings, then actual device detection, |
| 298 | * finally falling back on false. |
| 299 | * @return bool |
| 300 | */ |
| 301 | public function shouldDisplayMobileView() { |
| 302 | if ( $this->mobileView !== null ) { |
| 303 | return $this->mobileView; |
| 304 | } |
| 305 | // check if we need to toggle between mobile/desktop view |
| 306 | $this->checkToggleView(); |
| 307 | $this->mobileView = $this->shouldDisplayMobileViewInternal(); |
| 308 | if ( $this->mobileView ) { |
| 309 | $hookRunner = new HookRunner( MediaWikiServices::getInstance()->getHookContainer() ); |
| 310 | $hookRunner->onEnterMobileMode( $this ); |
| 311 | } |
| 312 | return $this->mobileView; |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Value for shouldDisplayMobileView() |
| 317 | * @return bool |
| 318 | */ |
| 319 | private function shouldDisplayMobileViewInternal() { |
| 320 | // May be overridden programmatically |
| 321 | if ( $this->forceMobileView ) { |
| 322 | return true; |
| 323 | } |
| 324 | |
| 325 | // always display desktop or mobile view if it's explicitly requested |
| 326 | $useFormat = $this->getUseFormat(); |
| 327 | if ( $useFormat == 'desktop' ) { |
| 328 | return false; |
| 329 | } elseif ( $useFormat == 'mobile' ) { |
| 330 | return true; |
| 331 | } |
| 332 | |
| 333 | if ( $this->getRequest()->getRawVal( 'mobileformat' ) !== null ) { |
| 334 | return true; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * If a user is accessing the site from a mobile domain, then we should |
| 339 | * always display the mobile version of the site (otherwise, the cache |
| 340 | * may get polluted). See |
| 341 | * https://phabricator.wikimedia.org/T48473 |
| 342 | */ |
| 343 | if ( $this->usingMobileDomain() ) { |
| 344 | return true; |
| 345 | } |
| 346 | |
| 347 | // check cookies for what to display |
| 348 | $useMobileFormat = $this->getUseFormatCookie(); |
| 349 | if ( $useMobileFormat == 'true' ) { |
| 350 | return true; |
| 351 | } |
| 352 | $stopMobileRedirect = $this->getStopMobileRedirectCookie(); |
| 353 | if ( $stopMobileRedirect == 'true' ) { |
| 354 | return false; |
| 355 | } |
| 356 | |
| 357 | // do device detection |
| 358 | if ( $this->isMobileDevice() ) { |
| 359 | return true; |
| 360 | } |
| 361 | |
| 362 | return false; |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * Get requested mobile action |
| 367 | * @return string |
| 368 | */ |
| 369 | public function getMobileAction() { |
| 370 | if ( $this->mobileAction === null ) { |
| 371 | $this->mobileAction = $this->getRequest()->getRawVal( 'mobileaction' ); |
| 372 | } |
| 373 | |
| 374 | return $this->mobileAction; |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Gets the value of the `useformat` query string parameter. |
| 379 | * |
| 380 | * @return string Typically "desktop" or "mobile" |
| 381 | */ |
| 382 | private function getUseFormat() { |
| 383 | if ( $this->useFormat === null ) { |
| 384 | $this->useFormat = $this->getRequest()->getRawVal( 'useformat' ); |
| 385 | } |
| 386 | return $this->useFormat; |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * Set Cookie to stop automatically redirect to mobile page |
| 391 | * @param int|null $expiry Expire time of cookie |
| 392 | */ |
| 393 | public function setStopMobileRedirectCookie( $expiry = null ) { |
| 394 | $stopMobileRedirectCookieSecureValue = |
| 395 | $this->config->get( 'MFStopMobileRedirectCookieSecureValue' ); |
| 396 | |
| 397 | $this->getRequest()->response()->setCookie( |
| 398 | self::STOP_MOBILE_REDIRECT_COOKIE_NAME, |
| 399 | 'true', |
| 400 | $expiry ?? $this->getUseFormatCookieExpiry(), |
| 401 | [ |
| 402 | 'domain' => $this->getStopMobileRedirectCookieDomain(), |
| 403 | 'prefix' => '', |
| 404 | 'secure' => (bool)$stopMobileRedirectCookieSecureValue, |
| 405 | ] |
| 406 | ); |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Remove cookie and continue automatic redirect to mobile page |
| 411 | */ |
| 412 | public function unsetStopMobileRedirectCookie() { |
| 413 | if ( $this->getStopMobileRedirectCookie() === null ) { |
| 414 | return; |
| 415 | } |
| 416 | $expire = $this->getUseFormatCookieExpiry( time(), -3600 ); |
| 417 | $this->setStopMobileRedirectCookie( $expire ); |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Read cookie for stop automatic mobile redirect |
| 422 | * @return string |
| 423 | */ |
| 424 | public function getStopMobileRedirectCookie() { |
| 425 | $stopMobileRedirectCookie = $this->getRequest() |
| 426 | ->getCookie( self::STOP_MOBILE_REDIRECT_COOKIE_NAME, '' ); |
| 427 | |
| 428 | return $stopMobileRedirectCookie; |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * This cookie can determine whether or not a user should see the mobile |
| 433 | * version of a page. |
| 434 | * |
| 435 | * @return string|null |
| 436 | */ |
| 437 | public function getUseFormatCookie() { |
| 438 | $useFormatFromCookie = $this->getRequest()->getCookie( self::USEFORMAT_COOKIE_NAME, '' ); |
| 439 | |
| 440 | return $useFormatFromCookie; |
| 441 | } |
| 442 | |
| 443 | /** |
| 444 | * Return the base level domain or IP address |
| 445 | * |
| 446 | * @return string|null |
| 447 | */ |
| 448 | public function getCookieDomain() { |
| 449 | $helper = new WMFBaseDomainExtractor(); |
| 450 | return $helper->getCookieDomain( $this->config->get( 'Server' ) ); |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Determine the correct domain to use for the stopMobileRedirect cookie |
| 455 | * |
| 456 | * Will use $wgMFStopRedirectCookieHost if it's set, otherwise will use |
| 457 | * result of getCookieDomain() |
| 458 | * @return string|null |
| 459 | */ |
| 460 | public function getStopMobileRedirectCookieDomain() { |
| 461 | $mfStopRedirectCookieHost = $this->config->get( 'MFStopRedirectCookieHost' ); |
| 462 | |
| 463 | if ( !$mfStopRedirectCookieHost ) { |
| 464 | self::$mfStopRedirectCookieHost = $this->getCookieDomain(); |
| 465 | } else { |
| 466 | self::$mfStopRedirectCookieHost = $mfStopRedirectCookieHost; |
| 467 | } |
| 468 | |
| 469 | return self::$mfStopRedirectCookieHost; |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * Set the mf_useformat cookie |
| 474 | * |
| 475 | * This cookie can determine whether or not a user should see the mobile |
| 476 | * version of pages. |
| 477 | * |
| 478 | * @param string $cookieFormat should user see mobile version of pages? |
| 479 | * @param int|null $expiry Expiration of cookie |
| 480 | */ |
| 481 | public function setUseFormatCookie( $cookieFormat = 'true', $expiry = null ) { |
| 482 | $this->getRequest()->response()->setCookie( |
| 483 | self::USEFORMAT_COOKIE_NAME, |
| 484 | $cookieFormat, |
| 485 | $expiry ?? $this->getUseFormatCookieExpiry(), |
| 486 | [ |
| 487 | 'prefix' => '', |
| 488 | 'httpOnly' => true, |
| 489 | ] |
| 490 | ); |
| 491 | $stats = MediaWikiServices::getInstance()->getStatsdDataFactory(); |
| 492 | $stats->updateCount( 'mobile.useformat_' . $cookieFormat . '_cookie_set', 1 ); |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * Remove cookie based saved useformat value |
| 497 | */ |
| 498 | public function unsetUseFormatCookie() { |
| 499 | if ( $this->getUseFormatCookie() === null ) { |
| 500 | return; |
| 501 | } |
| 502 | |
| 503 | // set expiration date in the past |
| 504 | $expire = $this->getUseFormatCookieExpiry( time(), -3600 ); |
| 505 | $this->setUseFormatCookie( '', $expire ); |
| 506 | } |
| 507 | |
| 508 | /** |
| 509 | * Get the expiration time for the mf_useformat cookie |
| 510 | * |
| 511 | * @param int|null $startTime The base time (in seconds since Epoch) from which to calculate |
| 512 | * cookie expiration. If null, time() is used. |
| 513 | * @param int|null $cookieDuration The time (in seconds) the cookie should last |
| 514 | * @return int The time (in seconds since Epoch) that the cookie should expire |
| 515 | */ |
| 516 | protected function getUseFormatCookieExpiry( $startTime = null, $cookieDuration = null ) { |
| 517 | // use $cookieDuration if it's valid |
| 518 | if ( intval( $cookieDuration ) === 0 ) { |
| 519 | $cookieDuration = $this->getUseFormatCookieDuration(); |
| 520 | } |
| 521 | |
| 522 | // use $startTime if it's valid |
| 523 | if ( intval( $startTime ) === 0 ) { |
| 524 | $startTime = time(); |
| 525 | } |
| 526 | |
| 527 | $expiry = $startTime + $cookieDuration; |
| 528 | return $expiry; |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Determine the duration the cookie should last. |
| 533 | * |
| 534 | * If $wgMobileFrontendFormatcookieExpiry has a non-0 value, use that |
| 535 | * for the duration. Otherwise, fall back to $wgCookieExpiration. |
| 536 | * |
| 537 | * @return int The number of seconds for which the cookie should last. |
| 538 | */ |
| 539 | public function getUseFormatCookieDuration() { |
| 540 | $mobileFrontendFormatCookieExpiry = |
| 541 | $this->config->get( 'MobileFrontendFormatCookieExpiry' ); |
| 542 | |
| 543 | $cookieExpiration = $this->getConfig()->get( 'CookieExpiration' ); |
| 544 | |
| 545 | $cookieDuration = ( abs( intval( $mobileFrontendFormatCookieExpiry ) ) > 0 ) ? |
| 546 | $mobileFrontendFormatCookieExpiry : $cookieExpiration; |
| 547 | return $cookieDuration; |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * Take a URL Host Template and return the mobile token portion |
| 552 | * |
| 553 | * Eg if a desktop domain is en.wikipedia.org, but the mobile variant is |
| 554 | * en.m.wikipedia.org, the mobile token is 'm.' |
| 555 | * |
| 556 | * @param string $mobileUrlHostTemplate URL host |
| 557 | * @return string |
| 558 | * @deprecated |
| 559 | */ |
| 560 | public function getMobileHostToken( $mobileUrlHostTemplate ) { |
| 561 | wfDeprecated( __METHOD__, '1.42', 'MobileFrontend' ); |
| 562 | return preg_replace( '/%h[0-9]\.{0,1}/', '', $mobileUrlHostTemplate ); |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * Get the template for mobile URLs. |
| 567 | * @see $wgMobileUrlTemplate |
| 568 | * @return string |
| 569 | * @deprecated In other classes, use hasMobileUrl() instead. |
| 570 | */ |
| 571 | private function getMobileUrlTemplate() { |
| 572 | if ( $this->mobileUrlTemplate === null ) { |
| 573 | $this->mobileUrlTemplate = $this->config->get( 'MobileUrlTemplate' ); |
| 574 | } |
| 575 | // Only issue deprecation warning when $wgMobileUrlTemplate is set. |
| 576 | // Neither $wgMobileUrlTemplate nor $wgMobileUrlCallback being set is a valid |
| 577 | // non-deprecated scenario, and in that case hasMobileDomain() will call this |
| 578 | // method as fallback. |
| 579 | if ( $this->mobileUrlTemplate ) { |
| 580 | wfDeprecated( __METHOD__, '1.42', 'MobileFrontend' ); |
| 581 | } |
| 582 | return $this->mobileUrlTemplate; |
| 583 | } |
| 584 | |
| 585 | /** |
| 586 | * Returns the callback from $wgMobileUrlCallback, which changes |
| 587 | * a desktop domain into a mobile domain. |
| 588 | * @return callable|null |
| 589 | * @phan-return callable(string):string|null |
| 590 | */ |
| 591 | private function getMobileUrlCallback(): ?callable { |
| 592 | return $this->config->get( 'MobileUrlCallback' ); |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * True if the current wiki has a mobile URL that's different from the desktop one. |
| 597 | * @return bool |
| 598 | */ |
| 599 | public function hasMobileDomain(): bool { |
| 600 | if ( $this->hasMobileUrl === null ) { |
| 601 | $mobileUrlCallback = $this->getMobileUrlCallback(); |
| 602 | if ( $mobileUrlCallback ) { |
| 603 | $server = wfExpandUrl( $this->getConfig()->get( 'Server' ), PROTO_CANONICAL ); |
| 604 | $serverParts = wfParseUrl( $server ); |
| 605 | $mobileDomain = call_user_func( $mobileUrlCallback, $serverParts['host'] ); |
| 606 | $this->hasMobileUrl = $mobileDomain !== $serverParts['host']; |
| 607 | } else { |
| 608 | $this->hasMobileUrl = $this->getMobileUrlTemplate() !== ''; |
| 609 | } |
| 610 | } |
| 611 | return $this->hasMobileUrl; |
| 612 | } |
| 613 | |
| 614 | /** |
| 615 | * Take a URL and return a copy that conforms to the mobile URL template |
| 616 | * @param string $url URL to convert |
| 617 | * @param bool $forceHttps should force HTTPS? |
| 618 | * @return string|bool |
| 619 | */ |
| 620 | public function getMobileUrl( $url, $forceHttps = false ) { |
| 621 | if ( $this->shouldDisplayMobileView() ) { |
| 622 | $subdomainTokenReplacement = null; |
| 623 | $hookRunner = new HookRunner( MediaWikiServices::getInstance()->getHookContainer() ); |
| 624 | if ( $hookRunner->onGetMobileUrl( $subdomainTokenReplacement, $this ) ) { |
| 625 | if ( $subdomainTokenReplacement !== null ) { |
| 626 | $mobileUrlHostTemplate = $this->parseMobileUrlTemplate( 'host' ); |
| 627 | $mobileToken = $this->getMobileHostToken( $mobileUrlHostTemplate ); |
| 628 | $this->mobileUrlTemplate = str_replace( |
| 629 | $mobileToken, |
| 630 | $subdomainTokenReplacement, |
| 631 | $this->getMobileUrlTemplate() |
| 632 | ); |
| 633 | } |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | $parsedUrl = wfParseUrl( $url ); |
| 638 | // if parsing failed, maybe it's a local Url, try to expand and reparse it - task T107505 |
| 639 | if ( !$parsedUrl ) { |
| 640 | $expandedUrl = wfExpandUrl( $url ); |
| 641 | if ( $expandedUrl ) { |
| 642 | $parsedUrl = wfParseUrl( $expandedUrl ); |
| 643 | } |
| 644 | if ( !$expandedUrl || !$parsedUrl ) { |
| 645 | return false; |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | $mobileUrlCallback = $this->getMobileUrlCallback(); |
| 650 | if ( $mobileUrlCallback ) { |
| 651 | $parsedUrl['host'] = call_user_func( $mobileUrlCallback, $parsedUrl['host'] ); |
| 652 | } elseif ( $this->getMobileUrlTemplate() ) { |
| 653 | $this->updateMobileUrlHost( $parsedUrl ); |
| 654 | } |
| 655 | if ( $forceHttps ) { |
| 656 | $parsedUrl['scheme'] = 'https'; |
| 657 | $parsedUrl['delimiter'] = '://'; |
| 658 | } |
| 659 | |
| 660 | $assembleUrl = wfAssembleUrl( $parsedUrl ); |
| 661 | return $assembleUrl; |
| 662 | } |
| 663 | |
| 664 | /** |
| 665 | * If a mobile-domain is specified by the $wgMobileUrlTemplate and |
| 666 | * there's a mobile header, then we assume the user is accessing |
| 667 | * the site from the mobile-specific domain (because why would the |
| 668 | * desktop site set the header?). |
| 669 | * @return bool |
| 670 | */ |
| 671 | public function usingMobileDomain() { |
| 672 | $mobileHeader = $this->config->get( 'MFMobileHeader' ); |
| 673 | return ( $this->hasMobileDomain() |
| 674 | && $mobileHeader |
| 675 | && $this->getRequest()->getHeader( $mobileHeader ) !== false |
| 676 | ); |
| 677 | } |
| 678 | |
| 679 | /** |
| 680 | * Take a URL and return a copy that removes any mobile tokens |
| 681 | * @param string $url representing a page on the mobile domain e.g. `https://en.m.wikipedia.org/` |
| 682 | * @return string (absolute url) |
| 683 | */ |
| 684 | public function getDesktopUrl( $url ) { |
| 685 | $parsedUrl = wfParseUrl( $url ); |
| 686 | $this->updateDesktopUrlHost( $parsedUrl ); |
| 687 | $this->updateDesktopUrlQuery( $parsedUrl ); |
| 688 | $desktopUrl = wfAssembleUrl( $parsedUrl ); |
| 689 | return $desktopUrl; |
| 690 | } |
| 691 | |
| 692 | /** |
| 693 | * Update host of given URL to conform to mobile URL template. |
| 694 | * @param array &$parsedUrl Result of parseUrl() or wfParseUrl() |
| 695 | * @deprecated |
| 696 | */ |
| 697 | protected function updateMobileUrlHost( array &$parsedUrl ) { |
| 698 | wfDeprecated( __METHOD__, '1.42', 'MobileFrontend' ); |
| 699 | |
| 700 | if ( IPUtils::isIPAddress( $parsedUrl['host'] ) ) { |
| 701 | // Do not update host when IP is used |
| 702 | return; |
| 703 | } |
| 704 | $mobileUrlHostTemplate = $this->parseMobileUrlTemplate( 'host' ); |
| 705 | if ( !strlen( $mobileUrlHostTemplate ) ) { |
| 706 | return; |
| 707 | } |
| 708 | |
| 709 | $parsedHostParts = explode( ".", $parsedUrl['host'] ); |
| 710 | $templateHostParts = explode( ".", $mobileUrlHostTemplate ); |
| 711 | $targetHostParts = []; |
| 712 | |
| 713 | foreach ( $templateHostParts as $key => $templateHostPart ) { |
| 714 | if ( strstr( $templateHostPart, '%h' ) ) { |
| 715 | $parsedHostPartKey = (int)substr( $templateHostPart, 2 ); |
| 716 | if ( !array_key_exists( $parsedHostPartKey, $parsedHostParts ) ) { |
| 717 | // invalid pattern for this host, ignore |
| 718 | return; |
| 719 | } |
| 720 | $targetHostParts[$key] = $parsedHostParts[$parsedHostPartKey]; |
| 721 | } elseif ( isset( $parsedHostParts[$key] ) |
| 722 | && $templateHostPart == $parsedHostParts[$key] ) { |
| 723 | $targetHostParts = $parsedHostParts; |
| 724 | break; |
| 725 | } else { |
| 726 | $targetHostParts[$key] = $templateHostPart; |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | $parsedUrl['host'] = implode( ".", $targetHostParts ); |
| 731 | } |
| 732 | |
| 733 | /** |
| 734 | * Update the host of a given URL to strip out any mobile tokens |
| 735 | * @param array &$parsedUrl Result of parseUrl() or wfParseUrl() |
| 736 | */ |
| 737 | protected function updateDesktopUrlHost( array &$parsedUrl ) { |
| 738 | $server = $this->getConfig()->get( 'Server' ); |
| 739 | |
| 740 | if ( !$this->hasMobileDomain() ) { |
| 741 | return; |
| 742 | } |
| 743 | |
| 744 | $parsedWgServer = wfParseUrl( $server ); |
| 745 | $parsedUrl['host'] = $parsedWgServer['host']; |
| 746 | } |
| 747 | |
| 748 | /** |
| 749 | * Update the query portion of a given URL to remove any 'useformat' params |
| 750 | * @param array &$parsedUrl Result of parseUrl() or wfParseUrl() |
| 751 | */ |
| 752 | protected function updateDesktopUrlQuery( array &$parsedUrl ) { |
| 753 | if ( isset( $parsedUrl['query'] ) && strpos( $parsedUrl['query'], 'useformat' ) !== false ) { |
| 754 | $query = wfCgiToArray( $parsedUrl['query'] ); |
| 755 | unset( $query['useformat'] ); |
| 756 | $parsedUrl['query'] = wfArrayToCgi( $query ); |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | /** |
| 761 | * Update path of given URL to conform to mobile URL template. |
| 762 | * |
| 763 | * NB: this is not actually being used anywhere at the moment. It will |
| 764 | * take some magic to get MW to properly handle path modifications like |
| 765 | * this is intended to provide. This will hopefully be implemented someday |
| 766 | * in the not to distant future. |
| 767 | * |
| 768 | * @param array &$parsedUrl Result of parseUrl() or wfParseUrl() |
| 769 | * @deprecated |
| 770 | */ |
| 771 | protected function updateMobileUrlPath( array &$parsedUrl ) { |
| 772 | wfDeprecated( __METHOD__, '1.42', 'MobileFrontend' ); |
| 773 | |
| 774 | $scriptPath = $this->getConfig()->get( 'ScriptPath' ); |
| 775 | |
| 776 | $mobileUrlPathTemplate = $this->parseMobileUrlTemplate( 'path' ); |
| 777 | |
| 778 | // if there's no path template, no reason to continue. |
| 779 | if ( !strlen( $mobileUrlPathTemplate ) ) { |
| 780 | return; |
| 781 | } |
| 782 | |
| 783 | // find out if we already have a templated path |
| 784 | $templatePathOffset = strpos( $mobileUrlPathTemplate, '%p' ); |
| 785 | $templatePathSansToken = substr( $mobileUrlPathTemplate, 0, $templatePathOffset ); |
| 786 | if ( substr_compare( $parsedUrl['path'], $scriptPath . $templatePathSansToken, 0 ) > 0 ) { |
| 787 | return; |
| 788 | } |
| 789 | |
| 790 | $scriptPathLength = strlen( $scriptPath ); |
| 791 | // the "+ 1" removes the preceding "/" from the path sans $wgScriptPath |
| 792 | $pathSansScriptPath = substr( $parsedUrl['path'], $scriptPathLength + 1 ); |
| 793 | $parsedUrl['path'] = $scriptPath . $templatePathSansToken . $pathSansScriptPath; |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * Parse mobile URL template into its host and path components. |
| 798 | * |
| 799 | * Optionally specify which portion of the template you want returned. |
| 800 | * @param string|null $part which part to return? |
| 801 | * @return mixed |
| 802 | * @deprecated |
| 803 | */ |
| 804 | public function parseMobileUrlTemplate( $part = null ) { |
| 805 | wfDeprecated( __METHOD__, '1.42', 'MobileFrontend' ); |
| 806 | |
| 807 | $mobileUrlTemplate = $this->getMobileUrlTemplate(); |
| 808 | |
| 809 | $pathStartPos = strpos( $mobileUrlTemplate, '/' ); |
| 810 | |
| 811 | /** |
| 812 | * This if/else block exists because of an annoying aspect of substr() |
| 813 | * Even if you pass 'null' or 'false' into the 'length' param, it |
| 814 | * will return an empty string. |
| 815 | * http://www.stopgeek.com/wp-content/uploads/2007/07/sense.jpg |
| 816 | */ |
| 817 | if ( $pathStartPos === false ) { |
| 818 | $host = substr( $mobileUrlTemplate, 0 ); |
| 819 | } else { |
| 820 | $host = substr( $mobileUrlTemplate, 0, $pathStartPos ); |
| 821 | } |
| 822 | |
| 823 | $path = substr( $mobileUrlTemplate, $pathStartPos ); |
| 824 | |
| 825 | if ( $part == 'host' ) { |
| 826 | return $host; |
| 827 | } elseif ( $part == 'path' ) { |
| 828 | return $path; |
| 829 | } else { |
| 830 | return [ 'host' => $host, 'path' => $path ]; |
| 831 | } |
| 832 | } |
| 833 | |
| 834 | /** |
| 835 | * Toggles view to one specified by the user |
| 836 | * |
| 837 | * If a user has requested a particular view (eg clicked 'Desktop' from |
| 838 | * a mobile page), set the requested view for this particular request |
| 839 | * and set a cookie to keep them on that view for subsequent requests. |
| 840 | * |
| 841 | * @param string $view User requested particular view |
| 842 | */ |
| 843 | public function toggleView( $view ) { |
| 844 | $this->viewChange = $view; |
| 845 | if ( !$this->hasMobileDomain() ) { |
| 846 | $this->useFormat = $view; |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | /** |
| 851 | * Performs view change as requested vy toggleView() |
| 852 | */ |
| 853 | public function doToggling() { |
| 854 | // make sure viewChange is set |
| 855 | $this->shouldDisplayMobileView(); |
| 856 | |
| 857 | if ( !$this->viewChange ) { |
| 858 | return; |
| 859 | } |
| 860 | |
| 861 | $query = $this->getRequest()->getQueryValues(); |
| 862 | unset( $query['mobileaction'] ); |
| 863 | unset( $query['useformat'] ); |
| 864 | unset( $query['title'] ); |
| 865 | $url = $this->getTitle()->getFullURL( $query, false, PROTO_CURRENT ); |
| 866 | |
| 867 | if ( $this->viewChange == 'mobile' ) { |
| 868 | // unset stopMobileRedirect cookie |
| 869 | // @TODO is this necessary with unsetting the cookie via JS? |
| 870 | $this->unsetStopMobileRedirectCookie(); |
| 871 | |
| 872 | // if no mobile domain support, set mobile cookie |
| 873 | if ( !$this->hasMobileDomain() ) { |
| 874 | $this->setUseFormatCookie(); |
| 875 | } else { |
| 876 | // else redirect to mobile domain |
| 877 | $mobileUrl = $this->getMobileUrl( $url ); |
| 878 | $this->getOutput()->redirect( $mobileUrl, 301 ); |
| 879 | } |
| 880 | } elseif ( $this->viewChange == 'desktop' ) { |
| 881 | // set stopMobileRedirect cookie |
| 882 | $this->setStopMobileRedirectCookie(); |
| 883 | // unset useformat cookie |
| 884 | if ( $this->getUseFormatCookie() == "true" ) { |
| 885 | $this->unsetUseFormatCookie(); |
| 886 | } |
| 887 | |
| 888 | if ( $this->hasMobileDomain() ) { |
| 889 | // if there is mobile domain support, redirect to desktop domain |
| 890 | $desktopUrl = $this->getDesktopUrl( $url ); |
| 891 | $this->getOutput()->redirect( $desktopUrl, 301 ); |
| 892 | } |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | /** |
| 897 | * Determine whether or not we need to toggle the view, and toggle it |
| 898 | */ |
| 899 | public function checkToggleView() { |
| 900 | if ( !$this->toggleViewChecked ) { |
| 901 | $this->toggleViewChecked = true; |
| 902 | $mobileAction = $this->getMobileAction(); |
| 903 | if ( $mobileAction == 'toggle_view_desktop' ) { |
| 904 | $this->toggleView( 'desktop' ); |
| 905 | } elseif ( $mobileAction == 'toggle_view_mobile' ) { |
| 906 | $this->toggleView( 'mobile' ); |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | |
| 911 | /** |
| 912 | * Determine whether or not a given URL is local |
| 913 | * |
| 914 | * @param string $url URL to check against |
| 915 | * @return bool |
| 916 | */ |
| 917 | public function isLocalUrl( $url ) { |
| 918 | $parsedTarget = wfParseUrl( $url ); |
| 919 | $parsedServer = wfParseUrl( $this->config->get( 'Server' ) ); |
| 920 | return $parsedTarget['host'] === $parsedServer['host']; |
| 921 | } |
| 922 | |
| 923 | /** |
| 924 | * Add key/value pairs for analytics purposes to $this->analyticsLogItems. Pre-existing entries |
| 925 | * are appended to as sets delimited by commas. |
| 926 | * @param string $key for <key> in `X-Analytics: <key>=<value>` |
| 927 | * @param string $val for <value> in `X-Analytics: <key>=<value>` |
| 928 | */ |
| 929 | public function addAnalyticsLogItem( $key, $val ) { |
| 930 | $key = trim( $key ); |
| 931 | $val = trim( $val ); |
| 932 | $items = $this->analyticsLogItems[$key] ?? []; |
| 933 | if ( !in_array( $val, $items ) ) { |
| 934 | $items[] = $val; |
| 935 | $this->analyticsLogItems[$key] = $items; |
| 936 | } |
| 937 | } |
| 938 | |
| 939 | /** |
| 940 | * Read key/value pairs for analytics purposes from $this->analyticsLogItems |
| 941 | * @return array |
| 942 | */ |
| 943 | public function getAnalyticsLogItems() { |
| 944 | return array_map( |
| 945 | static function ( $val ) { |
| 946 | return implode( self::ANALYTICS_HEADER_DELIMITER, $val ); |
| 947 | }, |
| 948 | $this->analyticsLogItems |
| 949 | ); |
| 950 | } |
| 951 | |
| 952 | /** |
| 953 | * Get HTTP header string for X-Analytics |
| 954 | * |
| 955 | * This is made up of key/value pairs and is used for analytics purposes. |
| 956 | * |
| 957 | * @return string|bool |
| 958 | */ |
| 959 | public function getXAnalyticsHeader() { |
| 960 | $response = $this->getRequest()->response(); |
| 961 | $currentHeader = method_exists( $response, 'getHeader' ) ? |
| 962 | (string)$response->getHeader( 'X-Analytics' ) : ''; |
| 963 | parse_str( preg_replace( '/; */', '&', $currentHeader ), $logItems ); |
| 964 | $logItems += $this->getAnalyticsLogItems(); |
| 965 | if ( count( $logItems ) ) { |
| 966 | $xanalytics_items = []; |
| 967 | foreach ( $logItems as $key => $val ) { |
| 968 | $xanalytics_items[] = urlencode( $key ) . "=" . urlencode( $val ); |
| 969 | } |
| 970 | $headerValue = implode( ';', $xanalytics_items ); |
| 971 | return "X-Analytics: $headerValue"; |
| 972 | } else { |
| 973 | return false; |
| 974 | } |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * Take a key/val pair in string format and add it to $this->analyticsLogItems |
| 979 | * |
| 980 | * @param string $xanalytics_item In the format key=value |
| 981 | */ |
| 982 | public function addAnalyticsLogItemFromXAnalytics( $xanalytics_item ) { |
| 983 | [ $key, $val ] = explode( '=', $xanalytics_item, 2 ); |
| 984 | $this->addAnalyticsLogItem( urldecode( $key ), urldecode( $val ) ); |
| 985 | } |
| 986 | |
| 987 | /** |
| 988 | * Adds analytics log items depending on which modes are enabled for the user |
| 989 | * |
| 990 | * Invoked from MobileFrontendHooks::onRequestContextCreateSkin() |
| 991 | * |
| 992 | * Making changes to what this method logs? Make sure you update the |
| 993 | * documentation for the X-Analytics header: https://wikitech.wikimedia.org/wiki/X-Analytics |
| 994 | */ |
| 995 | public function logMobileMode() { |
| 996 | if ( $this->isBetaGroupMember() ) { |
| 997 | $this->addAnalyticsLogItem( self::ANALYTICS_HEADER_KEY, self::ANALYTICS_HEADER_VALUE_BETA ); |
| 998 | } |
| 999 | if ( self::isAmcUser() ) { |
| 1000 | $this->addAnalyticsLogItem( self::ANALYTICS_HEADER_KEY, self::ANALYTICS_HEADER_VALUE_AMC ); |
| 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | /** |
| 1005 | * Gets whether Wikibase descriptions should be shown in search results, |
| 1006 | * and watchlists; or as taglines on article pages. |
| 1007 | * Doesn't take into account whether the wikidata descriptions |
| 1008 | * feature has been enabled. |
| 1009 | * |
| 1010 | * @param string $feature which description to show? |
| 1011 | * @param Config $config |
| 1012 | * @return bool |
| 1013 | * @throws DomainException If `feature` isn't one that shows Wikidata descriptions. See the |
| 1014 | * `wgMFDisplayWikibaseDescriptions` configuration variable for detail |
| 1015 | */ |
| 1016 | public function shouldShowWikibaseDescriptions( $feature, Config $config ) { |
| 1017 | $displayWikibaseDescriptions = $config->get( 'MFDisplayWikibaseDescriptions' ); |
| 1018 | if ( !isset( $displayWikibaseDescriptions[$feature] ) ) { |
| 1019 | throw new DomainException( |
| 1020 | "\"{$feature}\" isn't a feature that shows Wikidata descriptions." |
| 1021 | ); |
| 1022 | } |
| 1023 | |
| 1024 | return $displayWikibaseDescriptions[$feature]; |
| 1025 | } |
| 1026 | } |