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/*
* Implementation for mediaWiki.user
*/
( function ( mw, $ ) {
/**
* User object
*/
function User( options, tokens ) {
var user, callbacks;
/* Private Members */
user = this;
callbacks = {};
/**
* Gets the current user's groups or rights.
* @param {String} info: One of 'groups' or 'rights'.
* @param {Function} callback
*/
function getUserInfo( info, callback ) {
var api;
if ( callbacks[info] ) {
callbacks[info].add( callback );
return;
}
callbacks.rights = $.Callbacks('once memory');
callbacks.groups = $.Callbacks('once memory');
callbacks[info].add( callback );
api = new mw.Api();
api.get( {
action: 'query',
meta: 'userinfo',
uiprop: 'rights|groups'
} ).always( function ( data ) {
var rights, groups;
if ( data.query && data.query.userinfo ) {
rights = data.query.userinfo.rights;
groups = data.query.userinfo.groups;
}
callbacks.rights.fire( rights || [] );
callbacks.groups.fire( groups || [] );
} );
}
/* Public Members */
this.options = options || new mw.Map();
this.tokens = tokens || new mw.Map();
/* Public Methods */
/**
* Generates a random user session ID (32 alpha-numeric characters).
*
* This information would potentially be stored in a cookie to identify a user during a
* session or series of sessions. Its uniqueness should not be depended on.
*
* @return String: Random set of 32 alpha-numeric characters
*/
function generateId() {
var i, r,
id = '',
seed = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
for ( i = 0; i < 32; i++ ) {
r = Math.floor( Math.random() * seed.length );
id += seed.substring( r, r + 1 );
}
return id;
}
/**
* Gets the current user's name.
*
* @return Mixed: User name string or null if users is anonymous
*/
this.getName = function () {
return mw.config.get( 'wgUserName' );
};
/**
* @deprecated since 1.20 use mw.user.getName() instead
*/
this.name = function () {
return this.getName();
};
/**
* Checks if the current user is anonymous.
*
* @return Boolean
*/
this.isAnon = function () {
return user.getName() === null;
};
/**
* @deprecated since 1.20 use mw.user.isAnon() instead
*/
this.anonymous = function () {
return user.isAnon();
};
/**
* Gets a random session ID automatically generated and kept in a cookie.
*
* This ID is ephemeral for everyone, staying in their browser only until they close
* their browser.
*
* @return String: User name or random session ID
*/
this.sessionId = function () {
var sessionId = $.cookie( 'mediaWiki.user.sessionId' );
if ( typeof sessionId === 'undefined' || sessionId === null ) {
sessionId = generateId();
$.cookie( 'mediaWiki.user.sessionId', sessionId, { 'expires': null, 'path': '/' } );
}
return sessionId;
};
/**
* Gets the current user's name or the session ID
*
* @return String: User name or random session ID
*/
this.id = function() {
var name = user.getName();
if ( name ) {
return name;
}
return user.sessionId();
};
/**
* Gets the user's bucket, placing them in one at random based on set odds if needed.
*
* @param key String: Name of bucket
* @param options Object: Bucket configuration options
* @param options.buckets Object: List of bucket-name/relative-probability pairs (required,
* must have at least one pair)
* @param options.version Number: Version of bucket test, changing this forces rebucketing
* (optional, default: 0)
* @param options.tracked Boolean: Track the event of bucketing through the API module of
* the ClickTracking extension (optional, default: false)
* @param options.expires Number: Length of time (in days) until the user gets rebucketed
* (optional, default: 30)
* @return String: Bucket name - the randomly chosen key of the options.buckets object
*
* @example
* mw.user.bucket( 'test', {
* 'buckets': { 'ignored': 50, 'control': 25, 'test': 25 },
* 'version': 1,
* 'tracked': true,
* 'expires': 7
* } );
*/
this.bucket = function ( key, options ) {
var cookie, parts, version, bucket,
range, k, rand, total;
options = $.extend( {
buckets: {},
version: 0,
tracked: false,
expires: 30
}, options || {} );
cookie = $.cookie( 'mediaWiki.user.bucket:' + key );
// Bucket information is stored as 2 integers, together as version:bucket like: "1:2"
if ( typeof cookie === 'string' && cookie.length > 2 && cookie.indexOf( ':' ) > 0 ) {
parts = cookie.split( ':' );
if ( parts.length > 1 && Number( parts[0] ) === options.version ) {
version = Number( parts[0] );
bucket = String( parts[1] );
}
}
if ( bucket === undefined ) {
if ( !$.isPlainObject( options.buckets ) ) {
throw 'Invalid buckets error. Object expected for options.buckets.';
}
version = Number( options.version );
// Find range
range = 0;
for ( k in options.buckets ) {
range += options.buckets[k];
}
// Select random value within range
rand = Math.random() * range;
// Determine which bucket the value landed in
total = 0;
for ( k in options.buckets ) {
bucket = k;
total += options.buckets[k];
if ( total >= rand ) {
break;
}
}
if ( options.tracked ) {
mw.loader.using( 'jquery.clickTracking', function () {
$.trackAction(
'mediaWiki.user.bucket:' + key + '@' + version + ':' + bucket
);
} );
}
$.cookie(
'mediaWiki.user.bucket:' + key,
version + ':' + bucket,
{ 'path': '/', 'expires': Number( options.expires ) }
);
}
return bucket;
};
/**
* Gets the current user's groups.
*/
this.getGroups = function ( callback ) {
getUserInfo( 'groups', callback );
};
/**
* Gets the current user's rights.
*/
this.getRights = function ( callback ) {
getUserInfo( 'rights', callback );
};
}
// Extend the skeleton mw.user from mediawiki.js
// This is kind of ugly but we're stuck with this for b/c reasons
mw.user = new User( mw.user.options, mw.user.tokens );
}( mediaWiki, jQuery ) );
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