mOverrideRequest = $request; // Override UseMediaWikiEverywhere to true, to force login and create form to use mw ui $wgUseMediaWikiUIEverywhere = true; } /** * Returns an array of all valid error messages. * * @return array */ public static function getValidErrorMessages() { static $messages = null; if ( !$messages ) { $messages = self::$validErrorMessages; Hooks::run( 'LoginFormValidErrorMessages', array( &$messages ) ); } return $messages; } /** * Loader */ function load() { global $wgAuth, $wgHiddenPrefs, $wgEnableEmail; if ( $this->mLoaded ) { return; } $this->mLoaded = true; if ( $this->mOverrideRequest === null ) { $request = $this->getRequest(); } else { $request = $this->mOverrideRequest; } $this->mRequest = $request; $this->mType = $request->getText( 'type' ); $this->mUsername = $request->getText( 'wpName' ); $this->mPassword = $request->getText( 'wpPassword' ); $this->mRetype = $request->getText( 'wpRetype' ); $this->mDomain = $request->getText( 'wpDomain' ); $this->mReason = $request->getText( 'wpReason' ); $this->mCookieCheck = $request->getVal( 'wpCookieCheck' ); $this->mPosted = $request->wasPosted(); $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' ) && $wgEnableEmail; $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' ) && !$this->mCreateaccountMail; $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' ); $this->mAction = $request->getVal( 'action' ); $this->mRemember = $request->getCheck( 'wpRemember' ); $this->mFromHTTP = $request->getBool( 'fromhttp', false ) || $request->getBool( 'wpFromhttp', false ); $this->mStickHTTPS = ( !$this->mFromHTTP && $request->getProtocol() === 'https' ) || $request->getBool( 'wpForceHttps', false ); $this->mLanguage = $request->getText( 'uselang' ); $this->mSkipCookieCheck = $request->getCheck( 'wpSkipCookieCheck' ); $this->mToken = $this->mType == 'signup' ? $request->getVal( 'wpCreateaccountToken' ) : $request->getVal( 'wpLoginToken' ); $this->mReturnTo = $request->getVal( 'returnto', '' ); $this->mReturnToQuery = $request->getVal( 'returntoquery', '' ); // Show an error or warning passed on from a previous page $entryError = $this->msg( $request->getVal( 'error', '' ) ); $entryWarning = $this->msg( $request->getVal( 'warning', '' ) ); // bc: provide login link as a parameter for messages where the translation // was not updated $loginreqlink = Linker::linkKnown( $this->getPageTitle(), $this->msg( 'loginreqlink' )->escaped(), array(), array( 'returnto' => $this->mReturnTo, 'returntoquery' => $this->mReturnToQuery, 'uselang' => $this->mLanguage, 'fromhttp' => $this->mFromHTTP ? '1' : '0', ) ); // Only show valid error or warning messages. if ( $entryError->exists() && in_array( $entryError->getKey(), self::getValidErrorMessages() ) ) { $this->mEntryErrorType = 'error'; $this->mEntryError = $entryError->rawParams( $loginreqlink )->escaped(); } elseif ( $entryWarning->exists() && in_array( $entryWarning->getKey(), self::getValidErrorMessages() ) ) { $this->mEntryErrorType = 'warning'; $this->mEntryError = $entryWarning->rawParams( $loginreqlink )->escaped(); } if ( $wgEnableEmail ) { $this->mEmail = $request->getText( 'wpEmail' ); } else { $this->mEmail = ''; } if ( !in_array( 'realname', $wgHiddenPrefs ) ) { $this->mRealName = $request->getText( 'wpRealName' ); } else { $this->mRealName = ''; } if ( !$wgAuth->validDomain( $this->mDomain ) ) { $this->mDomain = $wgAuth->getDomain(); } $wgAuth->setDomain( $this->mDomain ); # 1. When switching accounts, it sucks to get automatically logged out # 2. Do not return to PasswordReset after a successful password change # but goto Wiki start page (Main_Page) instead ( bug 33997 ) $returnToTitle = Title::newFromText( $this->mReturnTo ); if ( is_object( $returnToTitle ) && ( $returnToTitle->isSpecial( 'Userlogout' ) || $returnToTitle->isSpecial( 'PasswordReset' ) ) ) { $this->mReturnTo = ''; $this->mReturnToQuery = ''; } } function getDescription() { if ( $this->mType === 'signup' ) { return $this->msg( 'createaccount' )->text(); } else { return $this->msg( 'login' )->text(); } } /** * @param string|null $subPage */ public function execute( $subPage ) { if ( session_id() == '' ) { wfSetupSession(); } $this->load(); // Check for [[Special:Userlogin/signup]]. This affects form display and // page title. if ( $subPage == 'signup' ) { $this->mType = 'signup'; } $this->setHeaders(); // In the case where the user is already logged in, and was redirected to the login form from a // page that requires login, do not show the login page. The use case scenario for this is when // a user opens a large number of tabs, is redirected to the login page on all of them, and then // logs in on one, expecting all the others to work properly. // // However, do show the form if it was visited intentionally (no 'returnto' is present). People // who often switch between several accounts have grown accustomed to this behavior. if ( $this->mType !== 'signup' && !$this->mPosted && $this->getUser()->isLoggedIn() && ( $this->mReturnTo !== '' || $this->mReturnToQuery !== '' ) ) { $this->successfulLogin(); } // If logging in and not on HTTPS, either redirect to it or offer a link. global $wgSecureLogin; if ( $this->mRequest->getProtocol() !== 'https' ) { $title = $this->getFullTitle(); $query = array( 'returnto' => $this->mReturnTo !== '' ? $this->mReturnTo : null, 'returntoquery' => $this->mReturnToQuery !== '' ? $this->mReturnToQuery : null, 'title' => null, ( $this->mEntryErrorType === 'error' ? 'error' : 'warning' ) => $this->mEntryError, ) + $this->mRequest->getQueryValues(); $url = $title->getFullURL( $query, false, PROTO_HTTPS ); if ( $wgSecureLogin && wfCanIPUseHTTPS( $this->getRequest()->getIP() ) && !$this->mFromHTTP ) // Avoid infinite redirect { $url = wfAppendQuery( $url, 'fromhttp=1' ); $this->getOutput()->redirect( $url ); // Since we only do this redir to change proto, always vary $this->getOutput()->addVaryHeader( 'X-Forwarded-Proto' ); return; } else { // A wiki without HTTPS login support should set $wgServer to // http://somehost, in which case the secure URL generated // above won't actually start with https:// if ( substr( $url, 0, 8 ) === 'https://' ) { $this->mSecureLoginUrl = $url; } } } if ( !is_null( $this->mCookieCheck ) ) { $this->onCookieRedirectCheck( $this->mCookieCheck ); return; } elseif ( $this->mPosted ) { if ( $this->mCreateaccount ) { $this->addNewAccount(); return; } elseif ( $this->mCreateaccountMail ) { $this->addNewAccountMailPassword(); return; } elseif ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) { $this->processLogin(); return; } } $this->mainLoginForm( $this->mEntryError, $this->mEntryErrorType ); } /** * @private */ function addNewAccountMailPassword() { if ( $this->mEmail == '' ) { $this->mainLoginForm( $this->msg( 'noemailcreate' )->escaped() ); return; } $status = $this->addNewAccountInternal(); if ( !$status->isGood() ) { $error = $status->getMessage(); $this->mainLoginForm( $error->toString() ); return; } $u = $status->getValue(); // Wipe the initial password and mail a temporary one $u->setPassword( null ); $u->saveSettings(); $result = $this->mailPasswordInternal( $u, false, 'createaccount-title', 'createaccount-text' ); Hooks::run( 'AddNewAccount', array( $u, true ) ); $u->addNewUserLogEntry( 'byemail', $this->mReason ); $out = $this->getOutput(); $out->setPageTitle( $this->msg( 'accmailtitle' ) ); if ( !$result->isGood() ) { $this->mainLoginForm( $this->msg( 'mailerror', $result->getWikiText() )->text() ); } else { $out->addWikiMsg( 'accmailtext', $u->getName(), $u->getEmail() ); $this->executeReturnTo( 'success' ); } } /** * @private * @return bool */ function addNewAccount() { global $wgContLang, $wgUser, $wgEmailAuthentication, $wgLoginLanguageSelector; # Create the account and abort if there's a problem doing so $status = $this->addNewAccountInternal(); if ( !$status->isGood() ) { $error = $status->getMessage(); $this->mainLoginForm( $error->toString() ); return false; } $u = $status->getValue(); # Only save preferences if the user is not creating an account for someone else. if ( $this->getUser()->isAnon() ) { # If we showed up language selection links, and one was in use, be # smart (and sensible) and save that language as the user's preference if ( $wgLoginLanguageSelector && $this->mLanguage ) { $u->setOption( 'language', $this->mLanguage ); } else { # Otherwise the user's language preference defaults to $wgContLang, # but it may be better to set it to their preferred $wgContLang variant, # based on browser preferences or URL parameters. $u->setOption( 'language', $wgContLang->getPreferredVariant() ); } if ( $wgContLang->hasVariants() ) { $u->setOption( 'variant', $wgContLang->getPreferredVariant() ); } } $out = $this->getOutput(); # Send out an email authentication message if needed if ( $wgEmailAuthentication && Sanitizer::validateEmail( $u->getEmail() ) ) { $status = $u->sendConfirmationMail(); if ( $status->isGood() ) { $out->addWikiMsg( 'confirmemail_oncreate' ); } else { $out->addWikiText( $status->getWikiText( 'confirmemail_sendfailed' ) ); } } # Save settings (including confirmation token) $u->saveSettings(); # If not logged in, assume the new account as the current one and set # session cookies then show a "welcome" message or a "need cookies" # message as needed if ( $this->getUser()->isAnon() ) { $u->setCookies(); $wgUser = $u; // This should set it for OutputPage and the Skin // which is needed or the personal links will be // wrong. $this->getContext()->setUser( $u ); Hooks::run( 'AddNewAccount', array( $u, false ) ); $u->addNewUserLogEntry( 'create' ); if ( $this->hasSessionCookie() ) { $this->successfulCreation(); } else { $this->cookieRedirectCheck( 'new' ); } } else { # Confirm that the account was created $out->setPageTitle( $this->msg( 'accountcreated' ) ); $out->addWikiMsg( 'accountcreatedtext', $u->getName() ); $out->addReturnTo( $this->getPageTitle() ); Hooks::run( 'AddNewAccount', array( $u, false ) ); $u->addNewUserLogEntry( 'create2', $this->mReason ); } return true; } /** * Make a new user account using the loaded data. * @private * @throws PermissionsError|ReadOnlyError * @return Status */ public function addNewAccountInternal() { global $wgAuth, $wgMemc, $wgAccountCreationThrottle, $wgMinimalPasswordLength, $wgEmailConfirmToEdit; // If the user passes an invalid domain, something is fishy if ( !$wgAuth->validDomain( $this->mDomain ) ) { return Status::newFatal( 'wrongpassword' ); } // If we are not allowing users to login locally, we should be checking // to see if the user is actually able to authenticate to the authenti- // cation server before they create an account (otherwise, they can // create a local account and login as any domain user). We only need // to check this for domains that aren't local. if ( 'local' != $this->mDomain && $this->mDomain != '' ) { if ( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mUsername ) || !$wgAuth->authenticate( $this->mUsername, $this->mPassword ) ) ) { return Status::newFatal( 'wrongpassword' ); } } if ( wfReadOnly() ) { throw new ReadOnlyError; } # Request forgery checks. if ( !self::getCreateaccountToken() ) { self::setCreateaccountToken(); return Status::newFatal( 'nocookiesfornew' ); } # The user didn't pass a createaccount token if ( !$this->mToken ) { return Status::newFatal( 'sessionfailure' ); } # Validate the createaccount token if ( $this->mToken !== self::getCreateaccountToken() ) { return Status::newFatal( 'sessionfailure' ); } # Check permissions $currentUser = $this->getUser(); $creationBlock = $currentUser->isBlockedFromCreateAccount(); if ( !$currentUser->isAllowed( 'createaccount' ) ) { throw new PermissionsError( 'createaccount' ); } elseif ( $creationBlock instanceof Block ) { // Throws an ErrorPageError. $this->userBlockedMessage( $creationBlock ); // This should never be reached. return false; } # Include checks that will include GlobalBlocking (Bug 38333) $permErrors = $this->getPageTitle()->getUserPermissionsErrors( 'createaccount', $currentUser, true ); if ( count( $permErrors ) ) { throw new PermissionsError( 'createaccount', $permErrors ); } $ip = $this->getRequest()->getIP(); if ( $currentUser->isDnsBlacklisted( $ip, true /* check $wgProxyWhitelist */ ) ) { return Status::newFatal( 'sorbs_create_account_reason' ); } # Now create a dummy user ($u) and check if it is valid $u = User::newFromName( $this->mUsername, 'creatable' ); if ( !is_object( $u ) ) { return Status::newFatal( 'noname' ); } elseif ( 0 != $u->idForName() ) { return Status::newFatal( 'userexists' ); } if ( $this->mCreateaccountMail ) { # do not force a password for account creation by email # set invalid password, it will be replaced later by a random generated password $this->mPassword = null; } else { if ( $this->mPassword !== $this->mRetype ) { return Status::newFatal( 'badretype' ); } # check for password validity, return a fatal Status if invalid $validity = $u->checkPasswordValidity( $this->mPassword ); if ( !$validity->isGood() ) { $validity->ok = false; // make sure this Status is fatal return $validity; } } # if you need a confirmed email address to edit, then obviously you # need an email address. if ( $wgEmailConfirmToEdit && strval( $this->mEmail ) === '' ) { return Status::newFatal( 'noemailtitle' ); } if ( strval( $this->mEmail ) !== '' && !Sanitizer::validateEmail( $this->mEmail ) ) { return Status::newFatal( 'invalidemailaddress' ); } # Set some additional data so the AbortNewAccount hook can be used for # more than just username validation $u->setEmail( $this->mEmail ); $u->setRealName( $this->mRealName ); $abortError = ''; $abortStatus = null; if ( !Hooks::run( 'AbortNewAccount', array( $u, &$abortError, &$abortStatus ) ) ) { // Hook point to add extra creation throttles and blocks wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" ); if ( $abortStatus === null ) { // Report back the old string as a raw message status. // This will report the error back as 'createaccount-hook-aborted' // with the given string as the message. // To return a different error code, return a Status object. $abortError = new Message( 'createaccount-hook-aborted', array( $abortError ) ); $abortError->text(); return Status::newFatal( $abortError ); } else { // For MediaWiki 1.23+ and updated hooks, return the Status object // returned from the hook. return $abortStatus; } } // Hook point to check for exempt from account creation throttle if ( !Hooks::run( 'ExemptFromAccountCreationThrottle', array( $ip ) ) ) { wfDebug( "LoginForm::exemptFromAccountCreationThrottle: a hook " . "allowed account creation w/o throttle\n" ); } else { if ( ( $wgAccountCreationThrottle && $currentUser->isPingLimitable() ) ) { $key = wfMemcKey( 'acctcreate', 'ip', $ip ); $value = $wgMemc->get( $key ); if ( !$value ) { $wgMemc->set( $key, 0, 86400 ); } if ( $value >= $wgAccountCreationThrottle ) { return Status::newFatal( 'acct_creation_throttle_hit', $wgAccountCreationThrottle ); } $wgMemc->incr( $key ); } } if ( !$wgAuth->addUser( $u, $this->mPassword, $this->mEmail, $this->mRealName ) ) { return Status::newFatal( 'externaldberror' ); } self::clearCreateaccountToken(); return $this->initUser( $u, false ); } /** * Actually add a user to the database. * Give it a User object that has been initialised with a name. * * @param User $u * @param bool $autocreate True if this is an autocreation via auth plugin * @return Status Status object, with the User object in the value member on success * @private */ function initUser( $u, $autocreate ) { global $wgAuth; $status = $u->addToDatabase(); if ( !$status->isOK() ) { return $status; } if ( $wgAuth->allowPasswordChange() ) { $u->setPassword( $this->mPassword ); } $u->setEmail( $this->mEmail ); $u->setRealName( $this->mRealName ); $u->setToken(); $wgAuth->initUser( $u, $autocreate ); $u->saveSettings(); // Update user count DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 0, 0, 0, 1 ) ); // Watch user's userpage and talk page $u->addWatch( $u->getUserPage(), WatchedItem::IGNORE_USER_RIGHTS ); return Status::newGood( $u ); } /** * Internally authenticate the login request. * * This may create a local account as a side effect if the * authentication plugin allows transparent local account * creation. * @return int */ public function authenticateUserData() { global $wgUser, $wgAuth; $this->load(); if ( $this->mUsername == '' ) { return self::NO_NAME; } // We require a login token to prevent login CSRF // Handle part of this before incrementing the throttle so // token-less login attempts don't count towards the throttle // but wrong-token attempts do. // If the user doesn't have a login token yet, set one. if ( !self::getLoginToken() ) { self::setLoginToken(); return self::NEED_TOKEN; } // If the user didn't pass a login token, tell them we need one if ( !$this->mToken ) { return self::NEED_TOKEN; } $throttleCount = self::incLoginThrottle( $this->mUsername ); if ( $throttleCount === true ) { return self::THROTTLED; } // Validate the login token if ( $this->mToken !== self::getLoginToken() ) { return self::WRONG_TOKEN; } // Load the current user now, and check to see if we're logging in as // the same name. This is necessary because loading the current user // (say by calling getName()) calls the UserLoadFromSession hook, which // potentially creates the user in the database. Until we load $wgUser, // checking for user existence using User::newFromName($name)->getId() below // will effectively be using stale data. if ( $this->getUser()->getName() === $this->mUsername ) { wfDebug( __METHOD__ . ": already logged in as {$this->mUsername}\n" ); return self::SUCCESS; } $u = User::newFromName( $this->mUsername ); // Give extensions a way to indicate the username has been updated, // rather than telling the user the account doesn't exist. if ( !Hooks::run( 'LoginUserMigrated', array( $u, &$msg ) ) ) { $this->mAbortLoginErrorMsg = $msg; return self::USER_MIGRATED; } if ( !( $u instanceof User ) || !User::isUsableName( $u->getName() ) ) { return self::ILLEGAL; } $isAutoCreated = false; if ( $u->getID() == 0 ) { $status = $this->attemptAutoCreate( $u ); if ( $status !== self::SUCCESS ) { return $status; } else { $isAutoCreated = true; } } else { $u->load(); } // Give general extensions, such as a captcha, a chance to abort logins $abort = self::ABORTED; $msg = null; if ( !Hooks::run( 'AbortLogin', array( $u, $this->mPassword, &$abort, &$msg ) ) ) { $this->mAbortLoginErrorMsg = $msg; return $abort; } global $wgBlockDisablesLogin; if ( !$u->checkPassword( $this->mPassword ) ) { if ( $u->checkTemporaryPassword( $this->mPassword ) ) { // The e-mailed temporary password should not be used for actu- // al logins; that's a very sloppy habit, and insecure if an // attacker has a few seconds to click "search" on someone's o- // pen mail reader. // // Allow it to be used only to reset the password a single time // to a new value, which won't be in the user's e-mail ar- // chives. // // For backwards compatibility, we'll still recognize it at the // login form to minimize surprises for people who have been // logging in with a temporary password for some time. // // As a side-effect, we can authenticate the user's e-mail ad- // dress if it's not already done, since the temporary password // was sent via e-mail. if ( !$u->isEmailConfirmed() && !wfReadOnly() ) { $u->confirmEmail(); $u->saveSettings(); } // At this point we just return an appropriate code/ indicating // that the UI should show a password reset form; bot inter- // faces etc will probably just fail cleanly here. $this->mAbortLoginErrorMsg = 'resetpass-temp-emailed'; $this->mTempPasswordUsed = true; $retval = self::RESET_PASS; } else { $retval = ( $this->mPassword == '' ) ? self::EMPTY_PASS : self::WRONG_PASS; } } elseif ( $wgBlockDisablesLogin && $u->isBlocked() ) { // If we've enabled it, make it so that a blocked user cannot login $retval = self::USER_BLOCKED; } elseif ( $u->getPasswordExpired() == 'hard' ) { // Force reset now, without logging in $retval = self::RESET_PASS; $this->mAbortLoginErrorMsg = 'resetpass-expired'; } else { $wgAuth->updateUser( $u ); $wgUser = $u; // This should set it for OutputPage and the Skin // which is needed or the personal links will be // wrong. $this->getContext()->setUser( $u ); // Please reset throttle for successful logins, thanks! if ( $throttleCount ) { self::clearLoginThrottle( $this->mUsername ); } if ( $isAutoCreated ) { // Must be run after $wgUser is set, for correct new user log Hooks::run( 'AuthPluginAutoCreate', array( $u ) ); } $retval = self::SUCCESS; } Hooks::run( 'LoginAuthenticateAudit', array( $u, $this->mPassword, $retval ) ); return $retval; } /** * Increment the login attempt throttle hit count for the (username,current IP) * tuple unless the throttle was already reached. * @param string $username The user name * @return bool|int The integer hit count or True if it is already at the limit */ public static function incLoginThrottle( $username ) { global $wgPasswordAttemptThrottle, $wgMemc, $wgRequest; $username = trim( $username ); // sanity $throttleCount = 0; if ( is_array( $wgPasswordAttemptThrottle ) ) { $throttleKey = wfMemcKey( 'password-throttle', $wgRequest->getIP(), md5( $username ) ); $count = $wgPasswordAttemptThrottle['count']; $period = $wgPasswordAttemptThrottle['seconds']; $throttleCount = $wgMemc->get( $throttleKey ); if ( !$throttleCount ) { $wgMemc->add( $throttleKey, 1, $period ); // start counter } elseif ( $throttleCount < $count ) { $wgMemc->incr( $throttleKey ); } elseif ( $throttleCount >= $count ) { return true; } } return $throttleCount; } /** * Clear the login attempt throttle hit count for the (username,current IP) tuple. * @param string $username The user name * @return void */ public static function clearLoginThrottle( $username ) { global $wgMemc, $wgRequest; $username = trim( $username ); // sanity $throttleKey = wfMemcKey( 'password-throttle', $wgRequest->getIP(), md5( $username ) ); $wgMemc->delete( $throttleKey ); } /** * Attempt to automatically create a user on login. Only succeeds if there * is an external authentication method which allows it. * * @param User $user * * @return int Status code */ function attemptAutoCreate( $user ) { global $wgAuth; if ( $this->getUser()->isBlockedFromCreateAccount() ) { wfDebug( __METHOD__ . ": user is blocked from account creation\n" ); return self::CREATE_BLOCKED; } if ( !$wgAuth->autoCreate() ) { return self::NOT_EXISTS; } if ( !$wgAuth->userExists( $user->getName() ) ) { wfDebug( __METHOD__ . ": user does not exist\n" ); return self::NOT_EXISTS; } if ( !$wgAuth->authenticate( $user->getName(), $this->mPassword ) ) { wfDebug( __METHOD__ . ": \$wgAuth->authenticate() returned false, aborting\n" ); return self::WRONG_PLUGIN_PASS; } $abortError = ''; if ( !Hooks::run( 'AbortAutoAccount', array( $user, &$abortError ) ) ) { // Hook point to add extra creation throttles and blocks wfDebug( "LoginForm::attemptAutoCreate: a hook blocked creation: $abortError\n" ); $this->mAbortLoginErrorMsg = $abortError; return self::ABORTED; } wfDebug( __METHOD__ . ": creating account\n" ); $status = $this->initUser( $user, true ); if ( !$status->isOK() ) { $errors = $status->getErrorsByType( 'error' ); $this->mAbortLoginErrorMsg = $errors[0]['message']; return self::ABORTED; } return self::SUCCESS; } function processLogin() { global $wgMemc, $wgLang, $wgSecureLogin, $wgPasswordAttemptThrottle, $wgInvalidPasswordReset; switch ( $this->authenticateUserData() ) { case self::SUCCESS: # We've verified now, update the real record $user = $this->getUser(); $user->touch(); if ( $user->requiresHTTPS() ) { $this->mStickHTTPS = true; } if ( $wgSecureLogin && !$this->mStickHTTPS ) { $user->setCookies( $this->mRequest, false, $this->mRemember ); } else { $user->setCookies( $this->mRequest, null, $this->mRemember ); } self::clearLoginToken(); // Reset the throttle $request = $this->getRequest(); $key = wfMemcKey( 'password-throttle', $request->getIP(), md5( $this->mUsername ) ); $wgMemc->delete( $key ); if ( $this->hasSessionCookie() || $this->mSkipCookieCheck ) { /* Replace the language object to provide user interface in * correct language immediately on this first page load. */ $code = $request->getVal( 'uselang', $user->getOption( 'language' ) ); $userLang = Language::factory( $code ); $wgLang = $userLang; $this->getContext()->setLanguage( $userLang ); // Reset SessionID on Successful login (bug 40995) $this->renewSessionId(); if ( $this->getUser()->getPasswordExpired() == 'soft' ) { $this->resetLoginForm( $this->msg( 'resetpass-expired-soft' ) ); } elseif ( $wgInvalidPasswordReset && !$user->isValidPassword( $this->mPassword ) ) { $status = $user->checkPasswordValidity( $this->mPassword ); $this->resetLoginForm( $status->getMessage( 'resetpass-validity-soft' ) ); } else { $this->successfulLogin(); } } else { $this->cookieRedirectCheck( 'login' ); } break; case self::NEED_TOKEN: $error = $this->mAbortLoginErrorMsg ?: 'nocookiesforlogin'; $this->mainLoginForm( $this->msg( $error )->parse() ); break; case self::WRONG_TOKEN: $error = $this->mAbortLoginErrorMsg ?: 'sessionfailure'; $this->mainLoginForm( $this->msg( $error )->text() ); break; case self::NO_NAME: case self::ILLEGAL: $error = $this->mAbortLoginErrorMsg ?: 'noname'; $this->mainLoginForm( $this->msg( $error )->text() ); break; case self::WRONG_PLUGIN_PASS: $error = $this->mAbortLoginErrorMsg ?: 'wrongpassword'; $this->mainLoginForm( $this->msg( $error )->text() ); break; case self::NOT_EXISTS: if ( $this->getUser()->isAllowed( 'createaccount' ) ) { $error = $this->mAbortLoginErrorMsg ?: 'nosuchuser'; $this->mainLoginForm( $this->msg( $error, wfEscapeWikiText( $this->mUsername ) )->parse() ); } else { $error = $this->mAbortLoginErrorMsg ?: 'nosuchusershort'; $this->mainLoginForm( $this->msg( $error, wfEscapeWikiText( $this->mUsername ) )->text() ); } break; case self::WRONG_PASS: $error = $this->mAbortLoginErrorMsg ?: 'wrongpassword'; $this->mainLoginForm( $this->msg( $error )->text() ); break; case self::EMPTY_PASS: $error = $this->mAbortLoginErrorMsg ?: 'wrongpasswordempty'; $this->mainLoginForm( $this->msg( $error )->text() ); break; case self::RESET_PASS: $error = $this->mAbortLoginErrorMsg ?: 'resetpass_announce'; $this->resetLoginForm( $this->msg( $error ) ); break; case self::CREATE_BLOCKED: $this->userBlockedMessage( $this->getUser()->isBlockedFromCreateAccount() ); break; case self::THROTTLED: $error = $this->mAbortLoginErrorMsg ?: 'login-throttled'; $this->mainLoginForm( $this->msg( $error ) ->params( $this->getLanguage()->formatDuration( $wgPasswordAttemptThrottle['seconds'] ) ) ->text() ); break; case self::USER_BLOCKED: $error = $this->mAbortLoginErrorMsg ?: 'login-userblocked'; $this->mainLoginForm( $this->msg( $error, $this->mUsername )->escaped() ); break; case self::ABORTED: $error = $this->mAbortLoginErrorMsg ?: 'login-abort-generic'; $this->mainLoginForm( $this->msg( $error, wfEscapeWikiText( $this->mUsername ) )->text() ); break; case self::USER_MIGRATED: $error = $this->mAbortLoginErrorMsg ?: 'login-migrated-generic'; $params = array(); if ( is_array( $error ) ) { $error = array_shift( $this->mAbortLoginErrorMsg ); $params = $this->mAbortLoginErrorMsg; } $this->mainLoginForm( $this->msg( $error, $params )->text() ); break; default: throw new MWException( 'Unhandled case value' ); } } /** * Show the Special:ChangePassword form, with custom message * @param Message $msg */ protected function resetLoginForm( Message $msg ) { // Allow hooks to explain this password reset in more detail Hooks::run( 'LoginPasswordResetMessage', array( &$msg, $this->mUsername ) ); $reset = new SpecialChangePassword(); $derivative = new DerivativeContext( $this->getContext() ); $derivative->setTitle( $reset->getPageTitle() ); $reset->setContext( $derivative ); if ( !$this->mTempPasswordUsed ) { $reset->setOldPasswordMessage( 'oldpassword' ); } $reset->setChangeMessage( $msg ); $reset->execute( null ); } /** * @param User $u * @param bool $throttle * @param string $emailTitle Message name of email title * @param string $emailText Message name of email text * @return Status */ function mailPasswordInternal( $u, $throttle = true, $emailTitle = 'passwordremindertitle', $emailText = 'passwordremindertext' ) { global $wgNewPasswordExpiry; if ( $u->getEmail() == '' ) { return Status::newFatal( 'noemail', $u->getName() ); } $ip = $this->getRequest()->getIP(); if ( !$ip ) { return Status::newFatal( 'badipaddress' ); } $currentUser = $this->getUser(); Hooks::run( 'User::mailPasswordInternal', array( &$currentUser, &$ip, &$u ) ); $np = $u->randomPassword(); $u->setNewpassword( $np, $throttle ); $u->saveSettings(); $userLanguage = $u->getOption( 'language' ); $mainPage = Title::newMainPage(); $mainPageUrl = $mainPage->getCanonicalURL(); $m = $this->msg( $emailText, $ip, $u->getName(), $np, '<' . $mainPageUrl . '>', round( $wgNewPasswordExpiry / 86400 ) )->inLanguage( $userLanguage )->text(); $result = $u->sendMail( $this->msg( $emailTitle )->inLanguage( $userLanguage )->text(), $m ); return $result; } /** * Run any hooks registered for logins, then HTTP redirect to * $this->mReturnTo (or Main Page if that's undefined). Formerly we had a * nice message here, but that's really not as useful as just being sent to * wherever you logged in from. It should be clear that the action was * successful, given the lack of error messages plus the appearance of your * name in the upper right. * * @private */ function successfulLogin() { # Run any hooks; display injected HTML if any, else redirect $currentUser = $this->getUser(); $injected_html = ''; Hooks::run( 'UserLoginComplete', array( &$currentUser, &$injected_html ) ); if ( $injected_html !== '' ) { $this->displaySuccessfulAction( 'success', $this->msg( 'loginsuccesstitle' ), 'loginsuccess', $injected_html ); } else { $this->executeReturnTo( 'successredirect' ); } } /** * Run any hooks registered for logins, then display a message welcoming * the user. * * @private */ function successfulCreation() { # Run any hooks; display injected HTML $currentUser = $this->getUser(); $injected_html = ''; $welcome_creation_msg = 'welcomecreation-msg'; Hooks::run( 'UserLoginComplete', array( &$currentUser, &$injected_html ) ); /** * Let any extensions change what message is shown. * @see https://www.mediawiki.org/wiki/Manual:Hooks/BeforeWelcomeCreation * @since 1.18 */ Hooks::run( 'BeforeWelcomeCreation', array( &$welcome_creation_msg, &$injected_html ) ); $this->displaySuccessfulAction( 'signup', $this->msg( 'welcomeuser', $this->getUser()->getName() ), $welcome_creation_msg, $injected_html ); } /** * Display a "successful action" page. * * @param string $type Condition of return to; see `executeReturnTo` * @param string|Message $title Page's title * @param string $msgname * @param string $injected_html */ private function displaySuccessfulAction( $type, $title, $msgname, $injected_html ) { $out = $this->getOutput(); $out->setPageTitle( $title ); if ( $msgname ) { $out->addWikiMsg( $msgname, wfEscapeWikiText( $this->getUser()->getName() ) ); } $out->addHTML( $injected_html ); $this->executeReturnTo( $type ); } /** * Output a message that informs the user that they cannot create an account because * there is a block on them or their IP which prevents account creation. Note that * User::isBlockedFromCreateAccount(), which gets this block, ignores the 'hardblock' * setting on blocks (bug 13611). * @param Block $block The block causing this error * @throws ErrorPageError */ function userBlockedMessage( Block $block ) { # Let's be nice about this, it's likely that this feature will be used # for blocking large numbers of innocent people, e.g. range blocks on # schools. Don't blame it on the user. There's a small chance that it # really is the user's fault, i.e. the username is blocked and they # haven't bothered to log out before trying to create an account to # evade it, but we'll leave that to their guilty conscience to figure # out. $errorParams = array( $block->getTarget(), $block->mReason ? $block->mReason : $this->msg( 'blockednoreason' )->text(), $block->getByName() ); if ( $block->getType() === Block::TYPE_RANGE ) { $errorMessage = 'cantcreateaccount-range-text'; $errorParams[] = $this->getRequest()->getIP(); } else { $errorMessage = 'cantcreateaccount-text'; } throw new ErrorPageError( 'cantcreateaccounttitle', $errorMessage, $errorParams ); } /** * Add a "return to" link or redirect to it. * Extensions can use this to reuse the "return to" logic after * inject steps (such as redirection) into the login process. * * @param string $type One of the following: * - error: display a return to link ignoring $wgRedirectOnLogin * - signup: display a return to link using $wgRedirectOnLogin if needed * - success: display a return to link using $wgRedirectOnLogin if needed * - successredirect: send an HTTP redirect using $wgRedirectOnLogin if needed * @param string $returnTo * @param array|string $returnToQuery * @param bool $stickHTTPs Keep redirect link on HTTPs * @since 1.22 */ public function showReturnToPage( $type, $returnTo = '', $returnToQuery = '', $stickHTTPs = false ) { $this->mReturnTo = $returnTo; $this->mReturnToQuery = $returnToQuery; $this->mStickHTTPS = $stickHTTPs; $this->executeReturnTo( $type ); } /** * Add a "return to" link or redirect to it. * * @param string $type One of the following: * - error: display a return to link ignoring $wgRedirectOnLogin * - signup: display a return to link using $wgRedirectOnLogin if needed * - success: display a return to link using $wgRedirectOnLogin if needed * - successredirect: send an HTTP redirect using $wgRedirectOnLogin if needed */ private function executeReturnTo( $type ) { global $wgRedirectOnLogin, $wgSecureLogin; if ( $type != 'error' && $wgRedirectOnLogin !== null ) { $returnTo = $wgRedirectOnLogin; $returnToQuery = array(); } else { $returnTo = $this->mReturnTo; $returnToQuery = wfCgiToArray( $this->mReturnToQuery ); } // Allow modification of redirect behavior Hooks::run( 'PostLoginRedirect', array( &$returnTo, &$returnToQuery, &$type ) ); $returnToTitle = Title::newFromText( $returnTo ); if ( !$returnToTitle ) { $returnToTitle = Title::newMainPage(); } if ( $wgSecureLogin && !$this->mStickHTTPS ) { $options = array( 'http' ); $proto = PROTO_HTTP; } elseif ( $wgSecureLogin ) { $options = array( 'https' ); $proto = PROTO_HTTPS; } else { $options = array(); $proto = PROTO_RELATIVE; } if ( $type == 'successredirect' ) { $redirectUrl = $returnToTitle->getFullURL( $returnToQuery, false, $proto ); $this->getOutput()->redirect( $redirectUrl ); } else { $this->getOutput()->addReturnTo( $returnToTitle, $returnToQuery, null, $options ); } } /** * @param string $msg * @param string $msgtype * @throws ErrorPageError * @throws Exception * @throws FatalError * @throws MWException * @throws PermissionsError * @throws ReadOnlyError * @private */ function mainLoginForm( $msg, $msgtype = 'error' ) { global $wgEnableEmail, $wgEnableUserEmail; global $wgHiddenPrefs, $wgLoginLanguageSelector; global $wgAuth, $wgEmailConfirmToEdit, $wgCookieExpiration; global $wgSecureLogin, $wgPasswordResetRoutes; $titleObj = $this->getPageTitle(); $user = $this->getUser(); $out = $this->getOutput(); if ( $this->mType == 'signup' ) { // Block signup here if in readonly. Keeps user from // going through the process (filling out data, etc) // and being informed later. $permErrors = $titleObj->getUserPermissionsErrors( 'createaccount', $user, true ); if ( count( $permErrors ) ) { throw new PermissionsError( 'createaccount', $permErrors ); } elseif ( $user->isBlockedFromCreateAccount() ) { $this->userBlockedMessage( $user->isBlockedFromCreateAccount() ); return; } elseif ( wfReadOnly() ) { throw new ReadOnlyError; } } // Pre-fill username (if not creating an account, bug 44775). if ( $this->mUsername == '' && $this->mType != 'signup' ) { if ( $user->isLoggedIn() ) { $this->mUsername = $user->getName(); } else { $this->mUsername = $this->getRequest()->getCookie( 'UserName' ); } } // Generic styles and scripts for both login and signup form $out->addModuleStyles( array( 'mediawiki.ui', 'mediawiki.ui.button', 'mediawiki.ui.checkbox', 'mediawiki.ui.input', 'mediawiki.special.userlogin.common.styles' ) ); $out->addModules( array( 'mediawiki.special.userlogin.common.js' ) ); if ( $this->mType == 'signup' ) { // XXX hack pending RL or JS parse() support for complex content messages // https://bugzilla.wikimedia.org/show_bug.cgi?id=25349 $out->addJsConfigVars( 'wgCreateacctImgcaptchaHelp', $this->msg( 'createacct-imgcaptcha-help' )->parse() ); // Additional styles and scripts for signup form $out->addModules( array( 'mediawiki.special.userlogin.signup.js' ) ); $out->addModuleStyles( array( 'mediawiki.special.userlogin.signup.styles' ) ); $template = new UsercreateTemplate( $this->getConfig() ); // Must match number of benefits defined in messages $template->set( 'benefitCount', 3 ); $q = 'action=submitlogin&type=signup'; $linkq = 'type=login'; } else { // Additional styles for login form $out->addModuleStyles( array( 'mediawiki.special.userlogin.login.styles' ) ); $template = new UserloginTemplate( $this->getConfig() ); $q = 'action=submitlogin&type=login'; $linkq = 'type=signup'; } if ( $this->mReturnTo !== '' ) { $returnto = '&returnto=' . wfUrlencode( $this->mReturnTo ); if ( $this->mReturnToQuery !== '' ) { $returnto .= '&returntoquery=' . wfUrlencode( $this->mReturnToQuery ); } $q .= $returnto; $linkq .= $returnto; } # Don't show a "create account" link if the user can't. if ( $this->showCreateOrLoginLink( $user ) ) { # Pass any language selection on to the mode switch link if ( $wgLoginLanguageSelector && $this->mLanguage ) { $linkq .= '&uselang=' . $this->mLanguage; } // Supply URL, login template creates the button. $template->set( 'createOrLoginHref', $titleObj->getLocalURL( $linkq ) ); } else { $template->set( 'link', '' ); } $resetLink = $this->mType == 'signup' ? null : is_array( $wgPasswordResetRoutes ) && in_array( true, array_values( $wgPasswordResetRoutes ) ); $template->set( 'header', '' ); $template->set( 'skin', $this->getSkin() ); $template->set( 'name', $this->mUsername ); $template->set( 'password', $this->mPassword ); $template->set( 'retype', $this->mRetype ); $template->set( 'createemailset', $this->mCreateaccountMail ); $template->set( 'email', $this->mEmail ); $template->set( 'realname', $this->mRealName ); $template->set( 'domain', $this->mDomain ); $template->set( 'reason', $this->mReason ); $template->set( 'action', $titleObj->getLocalURL( $q ) ); $template->set( 'message', $msg ); $template->set( 'messagetype', $msgtype ); $template->set( 'createemail', $wgEnableEmail && $user->isLoggedIn() ); $template->set( 'userealname', !in_array( 'realname', $wgHiddenPrefs ) ); $template->set( 'useemail', $wgEnableEmail ); $template->set( 'emailrequired', $wgEmailConfirmToEdit ); $template->set( 'emailothers', $wgEnableUserEmail ); $template->set( 'canreset', $wgAuth->allowPasswordChange() ); $template->set( 'resetlink', $resetLink ); $template->set( 'canremember', ( $wgCookieExpiration > 0 ) ); $template->set( 'usereason', $user->isLoggedIn() ); $template->set( 'remember', $this->mRemember ); $template->set( 'cansecurelogin', ( $wgSecureLogin === true ) ); $template->set( 'stickhttps', (int)$this->mStickHTTPS ); $template->set( 'loggedin', $user->isLoggedIn() ); $template->set( 'loggedinuser', $user->getName() ); if ( $this->mType == 'signup' ) { if ( !self::getCreateaccountToken() ) { self::setCreateaccountToken(); } $template->set( 'token', self::getCreateaccountToken() ); } else { if ( !self::getLoginToken() ) { self::setLoginToken(); } $template->set( 'token', self::getLoginToken() ); } # Prepare language selection links as needed if ( $wgLoginLanguageSelector ) { $template->set( 'languages', $this->makeLanguageSelector() ); if ( $this->mLanguage ) { $template->set( 'uselang', $this->mLanguage ); } } $template->set( 'secureLoginUrl', $this->mSecureLoginUrl ); // Use signupend-https for HTTPS requests if it's not blank, signupend otherwise $usingHTTPS = $this->mRequest->getProtocol() == 'https'; $signupendHTTPS = $this->msg( 'signupend-https' ); if ( $usingHTTPS && !$signupendHTTPS->isBlank() ) { $template->set( 'signupend', $signupendHTTPS->parse() ); } else { $template->set( 'signupend', $this->msg( 'signupend' )->parse() ); } // If using HTTPS coming from HTTP, then the 'fromhttp' parameter must be preserved if ( $usingHTTPS ) { $template->set( 'fromhttp', $this->mFromHTTP ); } // Give authentication and captcha plugins a chance to modify the form $wgAuth->modifyUITemplate( $template, $this->mType ); if ( $this->mType == 'signup' ) { Hooks::run( 'UserCreateForm', array( &$template ) ); } else { Hooks::run( 'UserLoginForm', array( &$template ) ); } $out->disallowUserJs(); // just in case... $out->addTemplate( $template ); } /** * Whether the login/create account form should display a link to the * other form (in addition to whatever the skin provides). * * @param User $user * @return bool */ private function showCreateOrLoginLink( &$user ) { if ( $this->mType == 'signup' ) { return true; } elseif ( $user->isAllowed( 'createaccount' ) ) { return true; } else { return false; } } /** * Check if a session cookie is present. * * This will not pick up a cookie set during _this_ request, but is meant * to ensure that the client is returning the cookie which was set on a * previous pass through the system. * * @private * @return bool */ function hasSessionCookie() { global $wgDisableCookieCheck; return $wgDisableCookieCheck ? true : $this->getRequest()->checkSessionCookie(); } /** * Get the login token from the current session * @return mixed */ public static function getLoginToken() { global $wgRequest; return $wgRequest->getSessionData( 'wsLoginToken' ); } /** * Randomly generate a new login token and attach it to the current session */ public static function setLoginToken() { global $wgRequest; // Generate a token directly instead of using $user->getEditToken() // because the latter reuses $_SESSION['wsEditToken'] $wgRequest->setSessionData( 'wsLoginToken', MWCryptRand::generateHex( 32 ) ); } /** * Remove any login token attached to the current session */ public static function clearLoginToken() { global $wgRequest; $wgRequest->setSessionData( 'wsLoginToken', null ); } /** * Get the createaccount token from the current session * @return mixed */ public static function getCreateaccountToken() { global $wgRequest; return $wgRequest->getSessionData( 'wsCreateaccountToken' ); } /** * Randomly generate a new createaccount token and attach it to the current session */ public static function setCreateaccountToken() { global $wgRequest; $wgRequest->setSessionData( 'wsCreateaccountToken', MWCryptRand::generateHex( 32 ) ); } /** * Remove any createaccount token attached to the current session */ public static function clearCreateaccountToken() { global $wgRequest; $wgRequest->setSessionData( 'wsCreateaccountToken', null ); } /** * Renew the user's session id, using strong entropy */ private function renewSessionId() { global $wgSecureLogin, $wgCookieSecure; if ( $wgSecureLogin && !$this->mStickHTTPS ) { $wgCookieSecure = false; } wfResetSessionID(); } /** * @param string $type * @private */ function cookieRedirectCheck( $type ) { $titleObj = SpecialPage::getTitleFor( 'Userlogin' ); $query = array( 'wpCookieCheck' => $type ); if ( $this->mReturnTo !== '' ) { $query['returnto'] = $this->mReturnTo; $query['returntoquery'] = $this->mReturnToQuery; } $check = $titleObj->getFullURL( $query ); $this->getOutput()->redirect( $check ); } /** * @param string $type * @private */ function onCookieRedirectCheck( $type ) { if ( !$this->hasSessionCookie() ) { if ( $type == 'new' ) { $this->mainLoginForm( $this->msg( 'nocookiesnew' )->parse() ); } elseif ( $type == 'login' ) { $this->mainLoginForm( $this->msg( 'nocookieslogin' )->parse() ); } else { # shouldn't happen $this->mainLoginForm( $this->msg( 'error' )->text() ); } } else { $this->successfulLogin(); } } /** * Produce a bar of links which allow the user to select another language * during login/registration but retain "returnto" * * @return string */ function makeLanguageSelector() { $msg = $this->msg( 'loginlanguagelinks' )->inContentLanguage(); if ( !$msg->isBlank() ) { $langs = explode( "\n", $msg->text() ); $links = array(); foreach ( $langs as $lang ) { $lang = trim( $lang, '* ' ); $parts = explode( '|', $lang ); if ( count( $parts ) >= 2 ) { $links[] = $this->makeLanguageSelectorLink( $parts[0], trim( $parts[1] ) ); } } return count( $links ) > 0 ? $this->msg( 'loginlanguagelabel' )->rawParams( $this->getLanguage()->pipeList( $links ) )->escaped() : ''; } else { return ''; } } /** * Create a language selector link for a particular language * Links back to this page preserving type and returnto * * @param string $text Link text * @param string $lang Language code * @return string */ function makeLanguageSelectorLink( $text, $lang ) { if ( $this->getLanguage()->getCode() == $lang ) { // no link for currently used language return htmlspecialchars( $text ); } $query = array( 'uselang' => $lang ); if ( $this->mType == 'signup' ) { $query['type'] = 'signup'; } if ( $this->mReturnTo !== '' ) { $query['returnto'] = $this->mReturnTo; $query['returntoquery'] = $this->mReturnToQuery; } $attr = array(); $targetLanguage = Language::factory( $lang ); $attr['lang'] = $attr['hreflang'] = $targetLanguage->getHtmlCode(); return Linker::linkKnown( $this->getPageTitle(), htmlspecialchars( $text ), $attr, $query ); } protected function getGroupName() { return 'login'; } }