includes/registration/ExtensionProcessor.php

   1 <?php
   2
   3 class ExtensionProcessor implements Processor {
   4
   5         /**
   6          * Keys that should be set to $GLOBALS
   7          *
   8          * @var array
   9          */
  10         protected static $globalSettings = array(
  11                 'ResourceLoaderSources',
  12                 'ResourceLoaderLESSVars',
  13                 'ResourceLoaderLESSImportPaths',
  14                 'DefaultUserOptions',
  15                 'HiddenPrefs',
  16                 'GroupPermissions',
  17                 'RevokePermissions',
  18                 'ImplicitGroups',
  19                 'GroupsAddToSelf',
  20                 'GroupsRemoveFromSelf',
  21                 'AddGroups',
  22                 'RemoveGroups',
  23                 'AvailableRights',
  24                 'ContentHandlers',
  25                 'ConfigRegistry',
  26                 'RateLimits',
  27                 'ParserTestFiles',
  28                 'RecentChangesFlags',
  29                 'ExtensionFunctions',
  30                 'ExtensionEntryPointListFiles',
  31                 'SpecialPages',
  32                 'SpecialPageGroups',
  33                 'JobClasses',
  34                 'LogTypes',
  35                 'LogRestrictions',
  36                 'FilterLogTypes',
  37                 'LogNames',
  38                 'LogHeaders',
  39                 'LogActions',
  40                 'LogActionsHandlers',
  41                 'Actions',
  42                 'APIModules',
  43                 'APIFormatModules',
  44                 'APIMetaModules',
  45                 'APIPropModules',
  46                 'APIListModules',
  47                 'ValidSkinNames',
  48         );
  49
  50         /**
  51          * Keys that are part of the extension credits
  52          *
  53          * @var array
  54          */
  55         protected static $creditsAttributes = array(
  56                 'name',
  57                 'namemsg',
  58                 'author',
  59                 'version',
  60                 'url',
  61                 'description',
  62                 'descriptionmsg',
  63                 'license-name',
  64         );
  65
  66         /**
  67          * Stuff that is going to be set to $GLOBALS
  68          *
  69          * Some keys are pre-set to arrays so we can += to them
  70          *
  71          * @var array
  72          */
  73         protected $globals = array(
  74                 'wgExtensionMessagesFiles' => array(),
  75                 'wgMessagesDirs' => array(),
  76         );
  77
  78         /**
  79          * Things that should be define()'d
  80          *
  81          * @var array
  82          */
  83         protected $defines = array();
  84
  85         /**
  86          * Things to be called once registration of these extensions are done
  87          *
  88          * @var callable[]
  89          */
  90         protected $callbacks = array();
  91
  92         /**
  93          * @var array
  94          */
  95         protected $credits = array();
  96
  97         /**
  98          * Any thing else in the $info that hasn't
  99          * already been processed
 100          *
 101          * @var array
 102          */
 103         protected $attributes = array();
 104
 105         /**
 106          * List of keys that have already been processed
 107          *
 108          * @var array
 109          */
 110         protected $processed = array();
 111
 112         /**
 113          * @param string $path
 114          * @param array $info
 115          * @return array
 116          */
 117         public function extractInfo( $path, array $info ) {
 118                 $this->extractConfig( $info );
 119                 $this->extractHooks( $info );
 120                 $dir = dirname( $path );
 121                 $this->extractExtensionMessagesFiles( $dir, $info );
 122                 $this->extractMessagesDirs( $dir, $info );
 123                 $this->extractNamespaces( $info );
 124                 $this->extractResourceLoaderModules( $dir, $info );
 125                 if ( isset( $info['callback'] ) ) {
 126                         $this->callbacks[] = $info['callback'];
 127                         $this->processed[] = 'callback';
 128                 }
 129
 130                 $this->extractCredits( $path, $info );
 131                 foreach ( $info as $key => $val ) {
 132                         if ( in_array( $key, self::$globalSettings ) ) {
 133                                 $this->storeToArray( "wg$key", $val, $this->globals );
 134                         // Ignore anything that starts with a @
 135                         } elseif ( $key[0] !== '@' && !in_array( $key, $this->processed ) ) {
 136                                 $this->storeToArray( $key, $val, $this->attributes );
 137                         }
 138                 }
 139
 140         }
 141
 142         public function getExtractedInfo() {
 143                 return array(
 144                         'globals' => $this->globals,
 145                         'defines' => $this->defines,
 146                         'callbacks' => $this->callbacks,
 147                         'credits' => $this->credits,
 148                         'attributes' => $this->attributes,
 149                 );
 150         }
 151
 152         protected function extractHooks( array $info ) {
 153                 if ( isset( $info['Hooks'] ) ) {
 154                         foreach ( $info['Hooks'] as $name => $callable ) {
 155                                 $this->globals['wgHooks'][$name][] = $callable;
 156                         }
 157                         $this->processed[] = 'Hooks';
 158                 }
 159         }
 160
 161         /**
 162          * Register namespaces with the appropriate global settings
 163          *
 164          * @param array $info
 165          */
 166         protected function extractNamespaces( array $info ) {
 167                 if ( isset( $info['namespaces'] ) ) {
 168                         foreach ( $info['namespaces'] as $ns ) {
 169                                 $id = $ns['id'];
 170                                 $this->defines[$ns['constant']] = $id;
 171                                 $this->globals['wgExtraNamespaces'][$id] = $ns['name'];
 172                                 if ( isset( $ns['gender'] ) ) {
 173                                         $this->globals['wgExtraGenderNamespaces'][$id] = $ns['gender'];
 174                                 }
 175                                 if ( isset( $ns['subpages'] ) && $ns['subpages'] ) {
 176                                         $this->globals['wgNamespacesWithSubpages'][$id] = true;
 177                                 }
 178                                 if ( isset( $ns['content'] ) && $ns['content'] ) {
 179                                         $this->globals['wgContentNamespaces'][] = $id;
 180                                 }
 181                                 if ( isset( $ns['defaultcontentmodel'] ) ) {
 182                                         $this->globals['wgNamespaceContentModels'][$id] = $ns['defaultcontentmodel'];
 183                                 }
 184                         }
 185                         $this->processed[] = 'namespaces';
 186                 }
 187         }
 188
 189         protected function extractResourceLoaderModules( $dir, array $info ) {
 190                 $defaultPaths = isset( $info['ResourceFileModulePaths'] )
 191                         ? $info['ResourceFileModulePaths']
 192                         : false;
 193                 if ( isset( $defaultPaths['localBasePath'] ) ) {
 194                         $defaultPaths['localBasePath'] = "$dir/{$defaultPaths['localBasePath']}";
 195                 }
 196
 197                 foreach ( array( 'ResourceModules', 'ResourceModuleSkinStyles' ) as $setting ) {
 198                         if ( isset( $info[$setting] ) ) {
 199                                 foreach ( $info[$setting] as $name => $data ) {
 200                                         if ( isset( $data['localBasePath'] ) ) {
 201                                                 $data['localBasePath'] = "$dir/{$data['localBasePath']}";
 202                                         }
 203                                         if ( $defaultPaths ) {
 204                                                 $data += $defaultPaths;
 205                                         }
 206                                         $this->globals["wg$setting"][$name] = $data;
 207                                 }
 208                         }
 209                 }
 210         }
 211
 212         protected function extractExtensionMessagesFiles( $dir, array $info ) {
 213                 if ( isset( $info['ExtensionMessagesFiles'] ) ) {
 214                         $this->globals["wgExtensionMessagesFiles"] += array_map( function( $file ) use ( $dir ) {
 215                                 return "$dir/$file";
 216                         }, $info['ExtensionMessagesFiles'] );
 217                         $this->processed[] = 'ExtensionMessagesFiles';
 218                 }
 219         }
 220
 221         /**
 222          * Set message-related settings, which need to be expanded to use
 223          * absolute paths
 224          *
 225          * @param string $dir
 226          * @param array $info
 227          */
 228         protected function extractMessagesDirs( $dir, array $info ) {
 229                 if ( isset( $info['MessagesDirs'] ) ) {
 230                         foreach ( $info['MessagesDirs'] as $name => $files ) {
 231                                 foreach ( (array)$files as $file ) {
 232                                         $this->globals["wgMessagesDirs"][$name][] = "$dir/$file";
 233                                 }
 234                         }
 235                         $this->processed[] = 'MessagesDirs';
 236                 }
 237         }
 238
 239         protected function extractCredits( $path, array $info ) {
 240                 $credits = array(
 241                         'path' => $path,
 242                         'type' => isset( $info['type'] ) ? $info['type'] : 'other',
 243                 );
 244                 $this->processed[] = 'type';
 245                 foreach ( self::$creditsAttributes as $attr ) {
 246                         if ( isset( $info[$attr] ) ) {
 247                                 $credits[$attr] = $info[$attr];
 248                                 $this->processed[] = $attr;
 249                         }
 250                 }
 251
 252                 $this->credits[$credits['name']] = $credits;
 253         }
 254
 255         /**
 256          * Set configuration settings
 257          * @todo In the future, this should be done via Config interfaces
 258          *
 259          * @param array $info
 260          */
 261         protected function extractConfig( array $info ) {
 262                 if ( isset( $info['config'] ) ) {
 263                         foreach ( $info['config'] as $key => $val ) {
 264                                 if ( $key[0] !== '@' ) {
 265                                         $this->globals["wg$key"] = $val;
 266                                 }
 267                         }
 268                         $this->processed[] = 'config';
 269                 }
 270         }
 271
 272         /**
 273          * @param string $name
 274          * @param mixed $value
 275          * @param array &$array
 276          */
 277         protected function storeToArray( $name, $value, &$array ) {
 278                 if ( isset( $array[$name] ) ) {
 279                         $array[$name] = array_merge_recursive( $array[$name], $value );
 280                 } else {
 281                         $array[$name] = $value;
 282                 }
 283         }
 284 }