1 files changed, 137 insertions, 0 deletions
diff --git a/www/wiki/includes/api/ApiClientLogin.php b/www/wiki/includes/api/ApiClientLogin.php
new file mode 100644
index 00000000..65dea93b
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+++ b/www/wiki/includes/api/ApiClientLogin.php
@@ -0,0 +1,137 @@
+<?php
+/**
+ * Copyright © 2016 Wikimedia Foundation and contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+use MediaWiki\Auth\AuthManager;
+use MediaWiki\Auth\AuthenticationResponse;
+use MediaWiki\Auth\CreateFromLoginAuthenticationRequest;
+
+/**
+ * Log in to the wiki with AuthManager
+ *
+ * @ingroup API
+ */
+class ApiClientLogin extends ApiBase {
+
+	public function __construct( ApiMain $main, $action ) {
+		parent::__construct( $main, $action, 'login' );
+	}
+
+	public function getFinalDescription() {
+		// A bit of a hack to append 'api-help-authmanager-general-usage'
+		$msgs = parent::getFinalDescription();
+		$msgs[] = ApiBase::makeMessage( 'api-help-authmanager-general-usage', $this->getContext(), [
+			$this->getModulePrefix(),
+			$this->getModuleName(),
+			$this->getModulePath(),
+			AuthManager::ACTION_LOGIN,
+			self::needsToken(),
+		] );
+		return $msgs;
+	}
+
+	public function execute() {
+		$params = $this->extractRequestParams();
+
+		$this->requireAtLeastOneParameter( $params, 'continue', 'returnurl' );
+
+		if ( $params['returnurl'] !== null ) {
+			$bits = wfParseUrl( $params['returnurl'] );
+			if ( !$bits || $bits['scheme'] === '' ) {
+				$encParamName = $this->encodeParamName( 'returnurl' );
+				$this->dieWithError(
+					[ 'apierror-badurl', $encParamName, wfEscapeWikiText( $params['returnurl'] ) ],
+					"badurl_{$encParamName}"
+				);
+			}
+		}
+
+		$helper = new ApiAuthManagerHelper( $this );
+		$manager = AuthManager::singleton();
+
+		// Make sure it's possible to log in
+		if ( !$manager->canAuthenticateNow() ) {
+			$this->getResult()->addValue( null, 'clientlogin', $helper->formatAuthenticationResponse(
+				AuthenticationResponse::newFail( $this->msg( 'userlogin-cannot-' . AuthManager::ACTION_LOGIN ) )
+			) );
+			$helper->logAuthenticationResult( 'login', 'userlogin-cannot-' . AuthManager::ACTION_LOGIN );
+			return;
+		}
+
+		// Perform the login step
+		if ( $params['continue'] ) {
+			$reqs = $helper->loadAuthenticationRequests( AuthManager::ACTION_LOGIN_CONTINUE );
+			$res = $manager->continueAuthentication( $reqs );
+		} else {
+			$reqs = $helper->loadAuthenticationRequests( AuthManager::ACTION_LOGIN );
+			if ( $params['preservestate'] ) {
+				$req = $helper->getPreservedRequest();
+				if ( $req ) {
+					$reqs[] = $req;
+				}
+			}
+			$res = $manager->beginAuthentication( $reqs, $params['returnurl'] );
+		}
+
+		// Remove CreateFromLoginAuthenticationRequest from $res->neededRequests.
+		// It's there so a RESTART treated as UI will work right, but showing
+		// it to the API client is just confusing.
+		$res->neededRequests = ApiAuthManagerHelper::blacklistAuthenticationRequests(
+			$res->neededRequests, [ CreateFromLoginAuthenticationRequest::class ]
+		);
+
+		$this->getResult()->addValue( null, 'clientlogin',
+			$helper->formatAuthenticationResponse( $res ) );
+		$helper->logAuthenticationResult( 'login', $res );
+	}
+
+	public function isReadMode() {
+		return false;
+	}
+
+	public function needsToken() {
+		return 'login';
+	}
+
+	public function getAllowedParams() {
+		return ApiAuthManagerHelper::getStandardParams( AuthManager::ACTION_LOGIN,
+			'requests', 'messageformat', 'mergerequestfields', 'preservestate', 'returnurl', 'continue'
+		);
+	}
+
+	public function dynamicParameterDocumentation() {
+		return [ 'api-help-authmanagerhelper-additional-params', AuthManager::ACTION_LOGIN ];
+	}
+
+	protected function getExamplesMessages() {
+		return [
+			'action=clientlogin&username=Example&password=ExamplePassword&'
+				. 'loginreturnurl=http://example.org/&logintoken=123ABC'
+				=> 'apihelp-clientlogin-example-login',
+			'action=clientlogin&logincontinue=1&OATHToken=987654&logintoken=123ABC'
+				=> 'apihelp-clientlogin-example-login2',
+		];
+	}
+
+	public function getHelpUrls() {
+		return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Login';
+	}
+}