1 files changed, 88 insertions, 0 deletions
diff --git a/www/wiki/includes/api/ApiCheckToken.php b/www/wiki/includes/api/ApiCheckToken.php
new file mode 100644
index 00000000..5d641d83
--- /dev/null
+++ b/www/wiki/includes/api/ApiCheckToken.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Copyright © 2015 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\Session\Token;
+
+/**
+ * @since 1.25
+ * @ingroup API
+ */
+class ApiCheckToken extends ApiBase {
+
+	public function execute() {
+		$params = $this->extractRequestParams();
+		$token = $params['token'];
+		$maxage = $params['maxtokenage'];
+		$salts = ApiQueryTokens::getTokenTypeSalts();
+
+		$res = [];
+
+		$tokenObj = ApiQueryTokens::getToken(
+			$this->getUser(), $this->getRequest()->getSession(), $salts[$params['type']]
+		);
+
+		if ( substr( $token, -strlen( urldecode( Token::SUFFIX ) ) ) === urldecode( Token::SUFFIX ) ) {
+			$this->addWarning( 'apiwarn-checktoken-percentencoding' );
+		}
+
+		if ( $tokenObj->match( $token, $maxage ) ) {
+			$res['result'] = 'valid';
+		} elseif ( $maxage !== null && $tokenObj->match( $token ) ) {
+			$res['result'] = 'expired';
+		} else {
+			$res['result'] = 'invalid';
+		}
+
+		$ts = Token::getTimestamp( $token );
+		if ( $ts !== null ) {
+			$mwts = new MWTimestamp();
+			$mwts->timestamp->setTimestamp( $ts );
+			$res['generated'] = $mwts->getTimestamp( TS_ISO_8601 );
+		}
+
+		$this->getResult()->addValue( null, $this->getModuleName(), $res );
+	}
+
+	public function getAllowedParams() {
+		return [
+			'type' => [
+				ApiBase::PARAM_TYPE => array_keys( ApiQueryTokens::getTokenTypeSalts() ),
+				ApiBase::PARAM_REQUIRED => true,
+			],
+			'token' => [
+				ApiBase::PARAM_TYPE => 'string',
+				ApiBase::PARAM_REQUIRED => true,
+				ApiBase::PARAM_SENSITIVE => true,
+			],
+			'maxtokenage' => [
+				ApiBase::PARAM_TYPE => 'integer',
+			],
+		];
+	}
+
+	protected function getExamplesMessages() {
+		return [
+			'action=checktoken&type=csrf&token=123ABC'
+				=> 'apihelp-checktoken-example-simple',
+		];
+	}
+}