includes/api/ApiQueryStashImageInfo.php

   1 <?php
   2 /**
   3  * API for MediaWiki 1.16+
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 /**
  24  * A query action to get image information from temporarily stashed files.
  25  *
  26  * @ingroup API
  27  */
  28 class ApiQueryStashImageInfo extends ApiQueryImageInfo {
  29
  30         public function __construct( $query, $moduleName ) {
  31                 parent::__construct( $query, $moduleName, 'sii' );
  32         }
  33
  34         public function execute() {
  35                 $params = $this->extractRequestParams();
  36                 $modulePrefix = $this->getModulePrefix();
  37
  38                 $prop = array_flip( $params['prop'] );
  39
  40                 $scale = $this->makeThumbParams( $params );
  41
  42                 $result = $this->getResult();
  43
  44                 try {
  45                         $stash = RepoGroup::singleton()->getLocalRepo()->getUploadStash();
  46
  47                         foreach ( $params['sessionkey'] as $sessionkey ) {
  48                                 $file = $stash->getFile( $sessionkey );
  49                                 $this->validateThumbParams( $file, $scale );
  50                                 $imageInfo = self::getInfo( $file, $prop, $result, $scale );
  51                                 $result->addValue( array( 'query', $this->getModuleName() ), null, $imageInfo );
  52                                 $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), $modulePrefix );
  53                         }
  54
  55                 } catch ( UploadStashNotAvailableException $e ) {
  56                         $this->dieUsage( "Session not available: " . $e->getMessage(), "nosession" );
  57                 } catch ( UploadStashFileNotFoundException $e ) {
  58                         $this->dieUsage( "File not found: " . $e->getMessage(), "invalidsessiondata" );
  59                 } catch ( UploadStashBadPathException $e ) {
  60                         $this->dieUsage( "Bad path: " . $e->getMessage(), "invalidsessiondata" );
  61                 }
  62         }
  63
  64         /**
  65          * Returns all valid parameters to siiprop
  66          */
  67         public static function getPropertyNames() {
  68                 return array(
  69                         'timestamp',
  70                         'url',
  71                         'size',
  72                         'dimensions', // For backwards compatibility with Allimages
  73                         'sha1',
  74                         'mime',
  75                         'thumbmime',
  76                         'metadata',
  77                         'bitdepth',
  78                 );
  79         }
  80
  81
  82         public function getAllowedParams() {
  83                 return array(
  84                         'sessionkey' => array(
  85                                 ApiBase::PARAM_ISMULTI => true,
  86                                 ApiBase::PARAM_REQUIRED => true,
  87                                 ApiBase::PARAM_DFLT => null
  88                         ),
  89                         'prop' => array(
  90                                 ApiBase::PARAM_ISMULTI => true,
  91                                 ApiBase::PARAM_DFLT => 'timestamp|url',
  92                                 ApiBase::PARAM_TYPE => self::getPropertyNames()
  93                         ),
  94                         'urlwidth' => array(
  95                                 ApiBase::PARAM_TYPE => 'integer',
  96                                 ApiBase::PARAM_DFLT => -1
  97                         ),
  98                         'urlheight' => array(
  99                                 ApiBase::PARAM_TYPE => 'integer',
 100                                 ApiBase::PARAM_DFLT => -1
 101                         ),
 102                         'urlparam' => array(
 103                                 ApiBase::PARAM_ISMULTI => true,
 104                         ),
 105                 );
 106         }
 107
 108         /**
 109          * Return the API documentation for the parameters.
 110          * @return {Array} parameter documentation.
 111          */
 112         public function getParamDescription() {
 113                 $p = $this->getModulePrefix();
 114                 return array(
 115                         'prop' => array(
 116                                 'What image information to get:',
 117                                 ' timestamp    - Adds timestamp for the uploaded version',
 118                                 ' url          - Gives URL to the image and the description page',
 119                                 ' size         - Adds the size of the image in bytes and the height and width',
 120                                 ' dimensions   - Alias for size',
 121                                 ' sha1         - Adds sha1 hash for the image',
 122                                 ' mime         - Adds MIME of the image',
 123                                 ' thumbmime    - Adds MIME of the image thumbnail (requires url)',
 124                                 ' metadata     - Lists EXIF metadata for the version of the image',
 125                                 ' bitdepth     - Adds the bit depth of the version',
 126                         ),
 127                         'sessionkey' => 'Session key that identifies a previous upload that was stashed temporarily.',
 128                         'urlwidth' => "If {$p}prop=url is set, a URL to an image scaled to this width will be returned.",
 129                         'urlheight' => "Similar to {$p}urlwidth. Cannot be used without {$p}urlwidth",
 130                         'urlparam' => array( "Other rending parameters, such as page=2 for multipaged documents.",
 131                                         "Multiple parameters should be seperated with a |. {$p}urlwidth must also be used" ),
 132                 );
 133         }
 134
 135         public function getDescription() {
 136                 return 'Returns image information for stashed images';
 137         }
 138
 139         public function getPossibleErrors() {
 140                 return array_merge( parent::getPossibleErrors(), array(
 141                         array( 'code' => 'siiurlwidth', 'info' => 'siiurlheight cannot be used without iiurlwidth' ),
 142                 ) );
 143         }
 144
 145         protected function getExamples() {
 146                 return array(
 147                         'api.php?action=query&prop=stashimageinfo&siisessionkey=124sd34rsdf567',
 148                         'api.php?action=query&prop=stashimageinfo&siisessionkey=b34edoe3|bceffd4&siiurlwidth=120&siiprop=url',
 149                 );
 150         }
 151
 152         public function getVersion() {
 153                 return __CLASS__ . ': $Id$';
 154         }
 155
 156 }
 157