Merge "Replace wgShowExceptionDetails with wgShowDBErrorBacktrace on db errors"
[lhc/web/wiklou.git] / resources / src / mediawiki / mediawiki.user.js
index 63e7de8..c4c91f9 100644 (file)
@@ -2,10 +2,9 @@
  * @class mw.user
  * @singleton
  */
+/* global Uint32Array */
 ( function ( mw, $ ) {
-       var i,
-               userInfoPromise,
-               byteToHex = [];
+       var userInfoPromise;
 
        /**
         * Get the current user's groups or rights
                return userInfoPromise;
        }
 
-       // Map from numbers 0-255 to a hex string (with padding)
-       for ( i = 0; i < 256; i++ ) {
-               // Padding: Add a full byte (0x100, 256) and strip the extra character
-               byteToHex[ i ] = ( i + 256 ).toString( 16 ).slice( 1 );
-       }
-
        // mw.user with the properties options and tokens gets defined in mediawiki.js.
        $.extend( mw.user, {
 
                 * @return {string} 64 bit integer in hex format, padded
                 */
                generateRandomSessionId: function () {
-                       /*jshint bitwise:false */
-                       var rnds, i, r,
-                               hexRnds = new Array( 8 ),
+                       var rnds, i,
+                               hexRnds = new Array( 2 ),
                                // Support: IE 11
                                crypto = window.crypto || window.msCrypto;
 
-                       // Based on https://github.com/broofa/node-uuid/blob/bfd9f96127/uuid.js
                        if ( crypto && crypto.getRandomValues ) {
-                               // Fill an array with 8 random values, each of which is 8 bits.
-                               // Note that Uint8Array is array-like but does not implement Array.
-                               rnds = new Uint8Array( 8 );
+                               // Fill an array with 2 random values, each of which is 32 bits.
+                               // Note that Uint32Array is array-like but does not implement Array.
+                               rnds = new Uint32Array( 2 );
                                crypto.getRandomValues( rnds );
                        } else {
-                               rnds = new Array( 8 );
-                               for ( i = 0; i < 8; i++ ) {
-                                       if ( ( i & 3 ) === 0 ) {
-                                               r = Math.random() * 0x100000000;
-                                       }
-                                       rnds[ i ] = r >>> ( ( i & 3 ) << 3 ) & 255;
-                               }
+                               rnds = [
+                                       Math.floor( Math.random() * 0x100000000 ),
+                                       Math.floor( Math.random() * 0x100000000 )
+                               ];
                        }
-                       // Convert from number to hex
-                       for ( i = 0; i < 8; i++ ) {
-                               hexRnds[ i ] = byteToHex[ rnds[ i ] ];
+                       // Convert number to a string with 16 hex characters
+                       for ( i = 0; i < 2; i++ ) {
+                               // Add 0x100000000 before converting to hex and strip the extra character
+                               // after converting to keep the leading zeros.
+                               hexRnds[ i ] = ( rnds[ i ] + 0x100000000 ).toString( 16 ).slice( 1 );
                        }
 
                        // Concatenation of two random integers with entropy n and m
                 *  unavailable, or Date for when the user registered.
                 */
                getRegistration: function () {
+                       var registration;
                        if ( mw.user.isAnon() ) {
                                return false;
                        }
-                       var registration = mw.config.get( 'wgUserRegistration' );
+                       registration = mw.config.get( 'wgUserRegistration' );
                        // Registration may be unavailable if the user signed up before MediaWiki
                        // began tracking this.
                        return !registration ? null : new Date( registration );