1 files changed, 134 insertions, 0 deletions
diff --git a/www/wiki/includes/api/ApiFormatJson.php b/www/wiki/includes/api/ApiFormatJson.php
new file mode 100644
index 00000000..2f63faff
--- /dev/null
+++ b/www/wiki/includes/api/ApiFormatJson.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
+ *
+ * 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
+ */
+
+/**
+ * API JSON output formatter
+ * @ingroup API
+ */
+class ApiFormatJson extends ApiFormatBase {
+
+	private $isRaw;
+
+	public function __construct( ApiMain $main, $format ) {
+		parent::__construct( $main, $format );
+		$this->isRaw = ( $format === 'rawfm' );
+
+		if ( $this->getMain()->getCheck( 'callback' ) ) {
+			# T94015: jQuery appends a useless '_' parameter in jsonp mode.
+			# Mark the parameter as used in that case to avoid a warning that's
+			# outside the control of the end user.
+			# (and do it here because ApiMain::reportUnusedParams() gets called
+			# before our ::execute())
+			$this->getMain()->markParamsUsed( '_' );
+		}
+	}
+
+	public function getMimeType() {
+		$params = $this->extractRequestParams();
+		// callback:
+		if ( isset( $params['callback'] ) ) {
+			return 'text/javascript';
+		}
+
+		return 'application/json';
+	}
+
+	public function execute() {
+		$params = $this->extractRequestParams();
+
+		$opt = 0;
+		if ( $this->isRaw ) {
+			$opt |= FormatJson::ALL_OK;
+			$transform = [];
+		} else {
+			switch ( $params['formatversion'] ) {
+				case 1:
+					$opt |= $params['utf8'] ? FormatJson::ALL_OK : FormatJson::XMLMETA_OK;
+					$transform = [
+						'BC' => [],
+						'Types' => [ 'AssocAsObject' => true ],
+						'Strip' => 'all',
+					];
+					break;
+
+				case 2:
+				case 'latest':
+					$opt |= $params['ascii'] ? FormatJson::XMLMETA_OK : FormatJson::ALL_OK;
+					$transform = [
+						'Types' => [ 'AssocAsObject' => true ],
+						'Strip' => 'all',
+					];
+					break;
+
+				default:
+					// Should have been caught during parameter validation
+					$this->dieDebug( __METHOD__, 'Unknown value for \'formatversion\'' );
+			}
+		}
+		$data = $this->getResult()->getResultData( null, $transform );
+		$json = FormatJson::encode( $data, $this->getIsHtml(), $opt );
+
+		// T68776: OutputHandler::mangleFlashPolicy() avoids a nasty bug in
+		// Flash, but what it does isn't friendly for the API, so we need to
+		// work around it.
+		if ( preg_match( '/\<\s*cross-domain-policy(?=\s|\>)/i', $json ) ) {
+			$json = preg_replace(
+				'/\<(\s*cross-domain-policy(?=\s|\>))/i', '\\u003C$1', $json
+			);
+		}
+
+		if ( isset( $params['callback'] ) ) {
+			$callback = preg_replace( "/[^][.\\'\\\"_A-Za-z0-9]/", '', $params['callback'] );
+			# Prepend a comment to try to avoid attacks against content
+			# sniffers, such as T70187.
+			$this->printText( "/**/$callback($json)" );
+		} else {
+			$this->printText( $json );
+		}
+	}
+
+	public function getAllowedParams() {
+		if ( $this->isRaw ) {
+			return parent::getAllowedParams();
+		}
+
+		$ret = parent::getAllowedParams() + [
+			'callback' => [
+				ApiBase::PARAM_HELP_MSG => 'apihelp-json-param-callback',
+			],
+			'utf8' => [
+				ApiBase::PARAM_DFLT => false,
+				ApiBase::PARAM_HELP_MSG => 'apihelp-json-param-utf8',
+			],
+			'ascii' => [
+				ApiBase::PARAM_DFLT => false,
+				ApiBase::PARAM_HELP_MSG => 'apihelp-json-param-ascii',
+			],
+			'formatversion' => [
+				ApiBase::PARAM_TYPE => [ '1', '2', 'latest' ],
+				ApiBase::PARAM_DFLT => '1',
+				ApiBase::PARAM_HELP_MSG => 'apihelp-json-param-formatversion',
+			],
+		];
+		return $ret;
+	}
+}