includes/api/ApiRsd.php

   1 <?php
   2
   3 /**
   4  * API for MediaWiki 1.17+
   5  *
   6  * Created on October 26, 2010
   7  *
   8  * Copyright © 2010 Bryan Tong Minh and Brion Vibber
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  *
  25  * @file
  26  */
  27
  28 /**
  29  * API module for sending out RSD information
  30  * @ingroup API
  31  */
  32 class ApiRsd extends ApiBase {
  33
  34         public function execute() {
  35                 $result = $this->getResult();
  36
  37                 $result->addValue( null, 'version', '1.0' );
  38                 $result->addValue( null, 'xmlns', 'http://archipelago.phrasewise.com/rsd' );
  39
  40                 $service = array( 'apis' => $this->formatRsdApiList() );
  41                 ApiResult::setContent( $service, 'MediaWiki', 'engineName' );
  42                 ApiResult::setContent( $service, 'https://www.mediawiki.org/', 'engineLink' );
  43                 ApiResult::setContent( $service, Title::newMainPage()->getCanonicalUrl(), 'homePageLink' );
  44
  45                 $result->setIndexedTagName( $service['apis'], 'api' );
  46
  47                 $result->addValue( null, 'service', $service );
  48         }
  49
  50         public function getCustomPrinter() {
  51                 return new ApiFormatXmlRsd( $this->getMain(), 'xml' );
  52         }
  53
  54         public function getAllowedParams() {
  55                 return array();
  56         }
  57
  58         public function getParamDescription() {
  59                 return array();
  60         }
  61
  62         public function getDescription() {
  63                 return 'Export an RSD (Really Simple Discovery) schema';
  64         }
  65
  66         public function getExamples() {
  67                 return array(
  68                         'api.php?action=rsd'
  69                 );
  70         }
  71
  72         /**
  73          * Builds an internal list of APIs to expose information about.
  74          * Normally this only lists the MediaWiki API, with its base URL,
  75          * link to documentation, and a marker as to available authentication
  76          * (to aid in OAuth client apps switching to support in the future).
  77          *
  78          * Extensions can expose other APIs, such as WordPress or Twitter-
  79          * compatible APIs, by hooking 'ApiRsdServiceApis' and adding more
  80          * elements to the array.
  81          *
  82          * See http://cyber.law.harvard.edu/blogs/gems/tech/rsd.html for
  83          * the base RSD spec, and check WordPress and StatusNet sites for
  84          * in-production examples listing several blogging and micrblogging
  85          * APIs.
  86          *
  87          * @return array
  88          */
  89         protected function getRsdApiList() {
  90                 $apis = array(
  91                         'MediaWiki' => array(
  92                                 // The API link is required for all RSD API entries.
  93                                 'apiLink' => wfExpandUrl( wfScript( 'api' ), PROTO_CURRENT ),
  94
  95                                 // Docs link is optional, but recommended.
  96                                 'docs' => 'https://www.mediawiki.org/wiki/API',
  97
  98                                 // Some APIs may need a blog ID, but it may be left blank.
  99                                 'blogID' => '',
 100
 101                                 // Additional settings are optional.
 102                                 'settings' => array(
 103                                         // Change this to true in the future as an aid to
 104                                         // machine discovery of OAuth for API access.
 105                                         'OAuth' => false,
 106                                 )
 107                         ),
 108                 );
 109                 wfRunHooks( 'ApiRsdServiceApis', array( &$apis ) );
 110                 return $apis;
 111         }
 112
 113         /**
 114          * Formats the internal list of exposed APIs into an array suitable
 115          * to pass to the API's XML formatter.
 116          *
 117          * @return array
 118          */
 119         protected function formatRsdApiList() {
 120                 $apis = $this->getRsdApiList();
 121
 122                 $outputData = array();
 123                 foreach ( $apis as $name => $info ) {
 124                         $data = array(
 125                                 'name' => $name,
 126                                 'preferred' => wfBoolToStr( $name == 'MediaWiki' ),
 127                                 'apiLink' => $info['apiLink'],
 128                                 'blogID' => isset( $info['blogID'] ) ? $info['blogID'] : '',
 129                         );
 130                         $settings = array();
 131                         if ( isset( $info['docs'] ) ) {
 132                                 ApiResult::setContent( $settings, $info['docs'], 'docs' );
 133                         }
 134                         if ( isset( $info['settings'] ) ) {
 135                                 foreach ( $info['settings'] as $setting => $val ) {
 136                                         if ( is_bool( $val ) ) {
 137                                                 $xmlVal = wfBoolToStr( $val );
 138                                         } else {
 139                                                 $xmlVal = $val;
 140                                         }
 141                                         $setting = array( 'name' => $setting );
 142                                         ApiResult::setContent( $setting, $xmlVal );
 143                                         $settings[] = $setting;
 144                                 }
 145                         }
 146                         if ( count( $settings ) ) {
 147                                 $this->getResult()->setIndexedTagName( $settings, 'setting' );
 148                                 $data['settings'] = $settings;
 149                         }
 150                         $outputData[] = $data;
 151                 }
 152                 return $outputData;
 153         }
 154 }
 155
 156 class ApiFormatXmlRsd extends ApiFormatXml {
 157         public function __construct( $main, $format ) {
 158                 parent::__construct( $main, $format );
 159                 $this->setRootElement( 'rsd' );
 160         }
 161
 162         public function getMimeType() {
 163                 return 'application/rsd+xml';
 164         }
 165 }