85d95dd458
The RandomPage alias was dropped in an earlier commit, so group the release note entry in with these. Change-Id: I207d7463ced1a1bb8b8ac749eba175fc0037a217
70 lines
2.2 KiB
PHP
70 lines
2.2 KiB
PHP
<?php
|
|
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Server-side helper for client-side compressed content.
|
|
*
|
|
* @since 1.32
|
|
*/
|
|
class Deflate {
|
|
|
|
/**
|
|
* Whether the content is deflated
|
|
*
|
|
* @param string $data
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function isDeflated( string $data ): bool {
|
|
return substr( $data, 0, 11 ) === 'rawdeflate,';
|
|
}
|
|
|
|
/**
|
|
* For content that has been compressed with deflate in the client,
|
|
* try to uncompress it with inflate.
|
|
*
|
|
* If data is not prefixed with 'rawdeflate,' it will be returned unmodified.
|
|
*
|
|
* Data can be compressed in the client using the 'mediawiki.deflate' module:
|
|
*
|
|
* @code
|
|
* mw.loader.using( 'mediawiki.deflate' ).then( function () {
|
|
* var deflated = mw.deflate( myContent );
|
|
* } );
|
|
* @endcode
|
|
*
|
|
* @param string $data Deflated data
|
|
* @return StatusValue Inflated data will be set as the value
|
|
* @throws InvalidArgumentException If the data wasn't deflated
|
|
*/
|
|
public static function inflate( string $data ): StatusValue {
|
|
if ( !self::isDeflated( $data ) ) {
|
|
throw new InvalidArgumentException( 'Data does not begin with deflated prefix' );
|
|
}
|
|
$deflated = base64_decode( substr( $data, 11 ), true );
|
|
if ( $deflated === false ) {
|
|
return StatusValue::newFatal( 'deflate-invaliddeflate' );
|
|
}
|
|
// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
|
|
$inflated = @gzinflate( $deflated );
|
|
if ( $inflated === false ) {
|
|
return StatusValue::newFatal( 'deflate-invaliddeflate' );
|
|
}
|
|
return StatusValue::newGood( $inflated );
|
|
}
|
|
}
|