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mediawiki_ynh/sources/mediawiki/includes/User.php

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PHP

<?php
/**
* Implements the User class for the %MediaWiki software.
*
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Int Number of characters in user_token field.
* @ingroup Constants
*/
define( 'USER_TOKEN_LENGTH', 32 );
/**
* Int Serialized record version.
* @ingroup Constants
*/
define( 'MW_USER_VERSION', 8 );
/**
* String Some punctuation to prevent editing from broken text-mangling proxies.
* @ingroup Constants
*/
define( 'EDIT_TOKEN_SUFFIX', '+\\' );
/**
* Thrown by User::setPassword() on error.
* @ingroup Exception
*/
class PasswordError extends MWException {
// NOP
}
/**
* The User object encapsulates all of the user-specific settings (user_id,
* name, rights, password, email address, options, last login time). Client
* classes use the getXXX() functions to access these fields. These functions
* do all the work of determining whether the user is logged in,
* whether the requested option can be satisfied from cookies or
* whether a database query is needed. Most of the settings needed
* for rendering normal pages are set in the cookie to minimize use
* of the database.
*/
class User {
/**
* Global constants made accessible as class constants so that autoloader
* magic can be used.
*/
const USER_TOKEN_LENGTH = USER_TOKEN_LENGTH;
const MW_USER_VERSION = MW_USER_VERSION;
const EDIT_TOKEN_SUFFIX = EDIT_TOKEN_SUFFIX;
/**
* Maximum items in $mWatchedItems
*/
const MAX_WATCHED_ITEMS_CACHE = 100;
/**
* Array of Strings List of member variables which are saved to the
* shared cache (memcached). Any operation which changes the
* corresponding database fields must call a cache-clearing function.
* @showinitializer
*/
static $mCacheVars = array(
// user table
'mId',
'mName',
'mRealName',
'mPassword',
'mNewpassword',
'mNewpassTime',
'mEmail',
'mTouched',
'mToken',
'mEmailAuthenticated',
'mEmailToken',
'mEmailTokenExpires',
'mRegistration',
'mEditCount',
// user_groups table
'mGroups',
// user_properties table
'mOptionOverrides',
);
/**
* Array of Strings Core rights.
* Each of these should have a corresponding message of the form
* "right-$right".
* @showinitializer
*/
static $mCoreRights = array(
'apihighlimits',
'autoconfirmed',
'autopatrol',
'bigdelete',
'block',
'blockemail',
'bot',
'browsearchive',
'createaccount',
'createpage',
'createtalk',
'delete',
'deletedhistory',
'deletedtext',
'deletelogentry',
'deleterevision',
'edit',
'editinterface',
'editprotected',
'editmyoptions',
'editmyprivateinfo',
'editmyusercss',
'editmyuserjs',
'editmywatchlist',
'editsemiprotected',
'editusercssjs', #deprecated
'editusercss',
'edituserjs',
'hideuser',
'import',
'importupload',
'ipblock-exempt',
'markbotedits',
'mergehistory',
'minoredit',
'move',
'movefile',
'move-rootuserpages',
'move-subpages',
'nominornewtalk',
'noratelimit',
'override-export-depth',
'passwordreset',
'patrol',
'patrolmarks',
'protect',
'proxyunbannable',
'purge',
'read',
'reupload',
'reupload-own',
'reupload-shared',
'rollback',
'sendemail',
'siteadmin',
'suppressionlog',
'suppressredirect',
'suppressrevision',
'unblockself',
'undelete',
'unwatchedpages',
'upload',
'upload_by_url',
'userrights',
'userrights-interwiki',
'viewmyprivateinfo',
'viewmywatchlist',
'writeapi',
);
/**
* String Cached results of getAllRights()
*/
static $mAllRights = false;
/** @name Cache variables */
//@{
var $mId, $mName, $mRealName, $mPassword, $mNewpassword, $mNewpassTime,
$mEmail, $mTouched, $mToken, $mEmailAuthenticated,
$mEmailToken, $mEmailTokenExpires, $mRegistration, $mEditCount,
$mGroups, $mOptionOverrides;
//@}
/**
* Bool Whether the cache variables have been loaded.
*/
//@{
var $mOptionsLoaded;
/**
* Array with already loaded items or true if all items have been loaded.
*/
private $mLoadedItems = array();
//@}
/**
* String Initialization data source if mLoadedItems!==true. May be one of:
* - 'defaults' anonymous user initialised from class defaults
* - 'name' initialise from mName
* - 'id' initialise from mId
* - 'session' log in from cookies or session if possible
*
* Use the User::newFrom*() family of functions to set this.
*/
var $mFrom;
/**
* Lazy-initialized variables, invalidated with clearInstanceCache
*/
var $mNewtalk, $mDatePreference, $mBlockedby, $mHash, $mRights,
$mBlockreason, $mEffectiveGroups, $mImplicitGroups, $mFormerGroups, $mBlockedGlobally,
$mLocked, $mHideName, $mOptions;
/**
* @var WebRequest
*/
private $mRequest;
/**
* @var Block
*/
var $mBlock;
/**
* @var bool
*/
var $mAllowUsertalk;
/**
* @var Block
*/
private $mBlockedFromCreateAccount = false;
/**
* @var Array
*/
private $mWatchedItems = array();
static $idCacheByName = array();
/**
* Lightweight constructor for an anonymous user.
* Use the User::newFrom* factory functions for other kinds of users.
*
* @see newFromName()
* @see newFromId()
* @see newFromConfirmationCode()
* @see newFromSession()
* @see newFromRow()
*/
function __construct() {
$this->clearInstanceCache( 'defaults' );
}
/**
* @return string
*/
function __toString() {
return $this->getName();
}
/**
* Load the user table data for this object from the source given by mFrom.
*/
public function load() {
if ( $this->mLoadedItems === true ) {
return;
}
wfProfileIn( __METHOD__ );
// Set it now to avoid infinite recursion in accessors
$this->mLoadedItems = true;
switch ( $this->mFrom ) {
case 'defaults':
$this->loadDefaults();
break;
case 'name':
$this->mId = self::idFromName( $this->mName );
if ( !$this->mId ) {
// Nonexistent user placeholder object
$this->loadDefaults( $this->mName );
} else {
$this->loadFromId();
}
break;
case 'id':
$this->loadFromId();
break;
case 'session':
if ( !$this->loadFromSession() ) {
// Loading from session failed. Load defaults.
$this->loadDefaults();
}
wfRunHooks( 'UserLoadAfterLoadFromSession', array( $this ) );
break;
default:
wfProfileOut( __METHOD__ );
throw new MWException( "Unrecognised value for User->mFrom: \"{$this->mFrom}\"" );
}
wfProfileOut( __METHOD__ );
}
/**
* Load user table data, given mId has already been set.
* @return bool false if the ID does not exist, true otherwise
*/
public function loadFromId() {
global $wgMemc;
if ( $this->mId == 0 ) {
$this->loadDefaults();
return false;
}
// Try cache
$key = wfMemcKey( 'user', 'id', $this->mId );
$data = $wgMemc->get( $key );
if ( !is_array( $data ) || $data['mVersion'] < MW_USER_VERSION ) {
// Object is expired, load from DB
$data = false;
}
if ( !$data ) {
wfDebug( "User: cache miss for user {$this->mId}\n" );
// Load from DB
if ( !$this->loadFromDatabase() ) {
// Can't load from ID, user is anonymous
return false;
}
$this->saveToCache();
} else {
wfDebug( "User: got user {$this->mId} from cache\n" );
// Restore from cache
foreach ( self::$mCacheVars as $name ) {
$this->$name = $data[$name];
}
}
$this->mLoadedItems = true;
return true;
}
/**
* Save user data to the shared cache
*/
public function saveToCache() {
$this->load();
$this->loadGroups();
$this->loadOptions();
if ( $this->isAnon() ) {
// Anonymous users are uncached
return;
}
$data = array();
foreach ( self::$mCacheVars as $name ) {
$data[$name] = $this->$name;
}
$data['mVersion'] = MW_USER_VERSION;
$key = wfMemcKey( 'user', 'id', $this->mId );
global $wgMemc;
$wgMemc->set( $key, $data );
}
/** @name newFrom*() static factory methods */
//@{
/**
* Static factory method for creation from username.
*
* This is slightly less efficient than newFromId(), so use newFromId() if
* you have both an ID and a name handy.
*
* @param string $name Username, validated by Title::newFromText()
* @param string|bool $validate Validate username. Takes the same parameters as
* User::getCanonicalName(), except that true is accepted as an alias
* for 'valid', for BC.
*
* @return User|bool User object, or false if the username is invalid
* (e.g. if it contains illegal characters or is an IP address). If the
* username is not present in the database, the result will be a user object
* with a name, zero user ID and default settings.
*/
public static function newFromName( $name, $validate = 'valid' ) {
if ( $validate === true ) {
$validate = 'valid';
}
$name = self::getCanonicalName( $name, $validate );
if ( $name === false ) {
return false;
} else {
// Create unloaded user object
$u = new User;
$u->mName = $name;
$u->mFrom = 'name';
$u->setItemLoaded( 'name' );
return $u;
}
}
/**
* Static factory method for creation from a given user ID.
*
* @param int $id Valid user ID
* @return User The corresponding User object
*/
public static function newFromId( $id ) {
$u = new User;
$u->mId = $id;
$u->mFrom = 'id';
$u->setItemLoaded( 'id' );
return $u;
}
/**
* Factory method to fetch whichever user has a given email confirmation code.
* This code is generated when an account is created or its e-mail address
* has changed.
*
* If the code is invalid or has expired, returns NULL.
*
* @param string $code Confirmation code
* @return User|null
*/
public static function newFromConfirmationCode( $code ) {
$dbr = wfGetDB( DB_SLAVE );
$id = $dbr->selectField( 'user', 'user_id', array(
'user_email_token' => md5( $code ),
'user_email_token_expires > ' . $dbr->addQuotes( $dbr->timestamp() ),
) );
if ( $id !== false ) {
return User::newFromId( $id );
} else {
return null;
}
}
/**
* Create a new user object using data from session or cookies. If the
* login credentials are invalid, the result is an anonymous user.
*
* @param WebRequest $request Object to use; $wgRequest will be used if omitted.
* @return User object
*/
public static function newFromSession( WebRequest $request = null ) {
$user = new User;
$user->mFrom = 'session';
$user->mRequest = $request;
return $user;
}
/**
* Create a new user object from a user row.
* The row should have the following fields from the user table in it:
* - either user_name or user_id to load further data if needed (or both)
* - user_real_name
* - all other fields (email, password, etc.)
* It is useless to provide the remaining fields if either user_id,
* user_name and user_real_name are not provided because the whole row
* will be loaded once more from the database when accessing them.
*
* @param array $row A row from the user table
* @param array $data Further data to load into the object (see User::loadFromRow for valid keys)
* @return User
*/
public static function newFromRow( $row, $data = null ) {
$user = new User;
$user->loadFromRow( $row, $data );
return $user;
}
//@}
/**
* Get the username corresponding to a given user ID
* @param int $id User ID
* @return string|bool The corresponding username
*/
public static function whoIs( $id ) {
return UserCache::singleton()->getProp( $id, 'name' );
}
/**
* Get the real name of a user given their user ID
*
* @param int $id User ID
* @return string|bool The corresponding user's real name
*/
public static function whoIsReal( $id ) {
return UserCache::singleton()->getProp( $id, 'real_name' );
}
/**
* Get database id given a user name
* @param string $name Username
* @return int|null The corresponding user's ID, or null if user is nonexistent
*/
public static function idFromName( $name ) {
$nt = Title::makeTitleSafe( NS_USER, $name );
if ( is_null( $nt ) ) {
// Illegal name
return null;
}
if ( isset( self::$idCacheByName[$name] ) ) {
return self::$idCacheByName[$name];
}
$dbr = wfGetDB( DB_SLAVE );
$s = $dbr->selectRow( 'user', array( 'user_id' ), array( 'user_name' => $nt->getText() ), __METHOD__ );
if ( $s === false ) {
$result = null;
} else {
$result = $s->user_id;
}
self::$idCacheByName[$name] = $result;
if ( count( self::$idCacheByName ) > 1000 ) {
self::$idCacheByName = array();
}
return $result;
}
/**
* Reset the cache used in idFromName(). For use in tests.
*/
public static function resetIdByNameCache() {
self::$idCacheByName = array();
}
/**
* Does the string match an anonymous IPv4 address?
*
* This function exists for username validation, in order to reject
* usernames which are similar in form to IP addresses. Strings such
* as 300.300.300.300 will return true because it looks like an IP
* address, despite not being strictly valid.
*
* We match "\d{1,3}\.\d{1,3}\.\d{1,3}\.xxx" as an anonymous IP
* address because the usemod software would "cloak" anonymous IP
* addresses like this, if we allowed accounts like this to be created
* new users could get the old edits of these anonymous users.
*
* @param string $name Name to match
* @return bool
*/
public static function isIP( $name ) {
return preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.(?:xxx|\d{1,3})$/', $name ) || IP::isIPv6( $name );
}
/**
* Is the input a valid username?
*
* Checks if the input is a valid username, we don't want an empty string,
* an IP address, anything that contains slashes (would mess up subpages),
* is longer than the maximum allowed username size or doesn't begin with
* a capital letter.
*
* @param string $name Name to match
* @return bool
*/
public static function isValidUserName( $name ) {
global $wgContLang, $wgMaxNameChars;
if ( $name == ''
|| User::isIP( $name )
|| strpos( $name, '/' ) !== false
|| strlen( $name ) > $wgMaxNameChars
|| $name != $wgContLang->ucfirst( $name ) ) {
wfDebugLog( 'username', __METHOD__ .
": '$name' invalid due to empty, IP, slash, length, or lowercase" );
return false;
}
// Ensure that the name can't be misresolved as a different title,
// such as with extra namespace keys at the start.
$parsed = Title::newFromText( $name );
if ( is_null( $parsed )
|| $parsed->getNamespace()
|| strcmp( $name, $parsed->getPrefixedText() ) ) {
wfDebugLog( 'username', __METHOD__ .
": '$name' invalid due to ambiguous prefixes" );
return false;
}
// Check an additional blacklist of troublemaker characters.
// Should these be merged into the title char list?
$unicodeBlacklist = '/[' .
'\x{0080}-\x{009f}' . # iso-8859-1 control chars
'\x{00a0}' . # non-breaking space
'\x{2000}-\x{200f}' . # various whitespace
'\x{2028}-\x{202f}' . # breaks and control chars
'\x{3000}' . # ideographic space
'\x{e000}-\x{f8ff}' . # private use
']/u';
if ( preg_match( $unicodeBlacklist, $name ) ) {
wfDebugLog( 'username', __METHOD__ .
": '$name' invalid due to blacklisted characters" );
return false;
}
return true;
}
/**
* Usernames which fail to pass this function will be blocked
* from user login and new account registrations, but may be used
* internally by batch processes.
*
* If an account already exists in this form, login will be blocked
* by a failure to pass this function.
*
* @param string $name Name to match
* @return bool
*/
public static function isUsableName( $name ) {
global $wgReservedUsernames;
// Must be a valid username, obviously ;)
if ( !self::isValidUserName( $name ) ) {
return false;
}
static $reservedUsernames = false;
if ( !$reservedUsernames ) {
$reservedUsernames = $wgReservedUsernames;
wfRunHooks( 'UserGetReservedNames', array( &$reservedUsernames ) );
}
// Certain names may be reserved for batch processes.
foreach ( $reservedUsernames as $reserved ) {
if ( substr( $reserved, 0, 4 ) == 'msg:' ) {
$reserved = wfMessage( substr( $reserved, 4 ) )->inContentLanguage()->text();
}
if ( $reserved == $name ) {
return false;
}
}
return true;
}
/**
* Usernames which fail to pass this function will be blocked
* from new account registrations, but may be used internally
* either by batch processes or by user accounts which have
* already been created.
*
* Additional blacklisting may be added here rather than in
* isValidUserName() to avoid disrupting existing accounts.
*
* @param string $name to match
* @return bool
*/
public static function isCreatableName( $name ) {
global $wgInvalidUsernameCharacters;
// Ensure that the username isn't longer than 235 bytes, so that
// (at least for the builtin skins) user javascript and css files
// will work. (bug 23080)
if ( strlen( $name ) > 235 ) {
wfDebugLog( 'username', __METHOD__ .
": '$name' invalid due to length" );
return false;
}
// Preg yells if you try to give it an empty string
if ( $wgInvalidUsernameCharacters !== '' ) {
if ( preg_match( '/[' . preg_quote( $wgInvalidUsernameCharacters, '/' ) . ']/', $name ) ) {
wfDebugLog( 'username', __METHOD__ .
": '$name' invalid due to wgInvalidUsernameCharacters" );
return false;
}
}
return self::isUsableName( $name );
}
/**
* Is the input a valid password for this user?
*
* @param string $password Desired password
* @return bool
*/
public function isValidPassword( $password ) {
//simple boolean wrapper for getPasswordValidity
return $this->getPasswordValidity( $password ) === true;
}
/**
* Given unvalidated password input, return error message on failure.
*
* @param string $password Desired password
* @return mixed: true on success, string or array of error message on failure
*/
public function getPasswordValidity( $password ) {
global $wgMinimalPasswordLength, $wgContLang;
static $blockedLogins = array(
'Useruser' => 'Passpass', 'Useruser1' => 'Passpass1', # r75589
'Apitestsysop' => 'testpass', 'Apitestuser' => 'testpass' # r75605
);
$result = false; //init $result to false for the internal checks
if ( !wfRunHooks( 'isValidPassword', array( $password, &$result, $this ) ) ) {
return $result;
}
if ( $result === false ) {
if ( strlen( $password ) < $wgMinimalPasswordLength ) {
return 'passwordtooshort';
} elseif ( $wgContLang->lc( $password ) == $wgContLang->lc( $this->mName ) ) {
return 'password-name-match';
} elseif ( isset( $blockedLogins[$this->getName()] ) && $password == $blockedLogins[$this->getName()] ) {
return 'password-login-forbidden';
} else {
//it seems weird returning true here, but this is because of the
//initialization of $result to false above. If the hook is never run or it
//doesn't modify $result, then we will likely get down into this if with
//a valid password.
return true;
}
} elseif ( $result === true ) {
return true;
} else {
return $result; //the isValidPassword hook set a string $result and returned true
}
}
/**
* Does a string look like an e-mail address?
*
* This validates an email address using an HTML5 specification found at:
* http://www.whatwg.org/html/states-of-the-type-attribute.html#valid-e-mail-address
* Which as of 2011-01-24 says:
*
* A valid e-mail address is a string that matches the ABNF production
* 1*( atext / "." ) "@" ldh-str *( "." ldh-str ) where atext is defined
* in RFC 5322 section 3.2.3, and ldh-str is defined in RFC 1034 section
* 3.5.
*
* This function is an implementation of the specification as requested in
* bug 22449.
*
* Client-side forms will use the same standard validation rules via JS or
* HTML 5 validation; additional restrictions can be enforced server-side
* by extensions via the 'isValidEmailAddr' hook.
*
* Note that this validation doesn't 100% match RFC 2822, but is believed
* to be liberal enough for wide use. Some invalid addresses will still
* pass validation here.
*
* @param string $addr E-mail address
* @return bool
* @deprecated since 1.18 call Sanitizer::isValidEmail() directly
*/
public static function isValidEmailAddr( $addr ) {
wfDeprecated( __METHOD__, '1.18' );
return Sanitizer::validateEmail( $addr );
}
/**
* Given unvalidated user input, return a canonical username, or false if
* the username is invalid.
* @param string $name User input
* @param string|bool $validate type of validation to use:
* - false No validation
* - 'valid' Valid for batch processes
* - 'usable' Valid for batch processes and login
* - 'creatable' Valid for batch processes, login and account creation
*
* @throws MWException
* @return bool|string
*/
public static function getCanonicalName( $name, $validate = 'valid' ) {
// Force usernames to capital
global $wgContLang;
$name = $wgContLang->ucfirst( $name );
# Reject names containing '#'; these will be cleaned up
# with title normalisation, but then it's too late to
# check elsewhere
if ( strpos( $name, '#' ) !== false ) {
return false;
}
// Clean up name according to title rules
$t = ( $validate === 'valid' ) ?
Title::newFromText( $name ) : Title::makeTitle( NS_USER, $name );
// Check for invalid titles
if ( is_null( $t ) ) {
return false;
}
// Reject various classes of invalid names
global $wgAuth;
$name = $wgAuth->getCanonicalName( $t->getText() );
switch ( $validate ) {
case false:
break;
case 'valid':
if ( !User::isValidUserName( $name ) ) {
$name = false;
}
break;
case 'usable':
if ( !User::isUsableName( $name ) ) {
$name = false;
}
break;
case 'creatable':
if ( !User::isCreatableName( $name ) ) {
$name = false;
}
break;
default:
throw new MWException( 'Invalid parameter value for $validate in ' . __METHOD__ );
}
return $name;
}
/**
* Count the number of edits of a user
*
* @param int $uid User ID to check
* @return int The user's edit count
*
* @deprecated since 1.21 in favour of User::getEditCount
*/
public static function edits( $uid ) {
wfDeprecated( __METHOD__, '1.21' );
$user = self::newFromId( $uid );
return $user->getEditCount();
}
/**
* Return a random password.
*
* @return string New random password
*/
public static function randomPassword() {
global $wgMinimalPasswordLength;
// Decide the final password length based on our min password length, stopping at a minimum of 10 chars
$length = max( 10, $wgMinimalPasswordLength );
// Multiply by 1.25 to get the number of hex characters we need
$length = $length * 1.25;
// Generate random hex chars
$hex = MWCryptRand::generateHex( $length );
// Convert from base 16 to base 32 to get a proper password like string
return wfBaseConvert( $hex, 16, 32 );
}
/**
* Set cached properties to default.
*
* @note This no longer clears uncached lazy-initialised properties;
* the constructor does that instead.
*
* @param $name string|bool
*/
public function loadDefaults( $name = false ) {
wfProfileIn( __METHOD__ );
$this->mId = 0;
$this->mName = $name;
$this->mRealName = '';
$this->mPassword = $this->mNewpassword = '';
$this->mNewpassTime = null;
$this->mEmail = '';
$this->mOptionOverrides = null;
$this->mOptionsLoaded = false;
$loggedOut = $this->getRequest()->getCookie( 'LoggedOut' );
if ( $loggedOut !== null ) {
$this->mTouched = wfTimestamp( TS_MW, $loggedOut );
} else {
$this->mTouched = '1'; # Allow any pages to be cached
}
$this->mToken = null; // Don't run cryptographic functions till we need a token
$this->mEmailAuthenticated = null;
$this->mEmailToken = '';
$this->mEmailTokenExpires = null;
$this->mRegistration = wfTimestamp( TS_MW );
$this->mGroups = array();
wfRunHooks( 'UserLoadDefaults', array( $this, $name ) );
wfProfileOut( __METHOD__ );
}
/**
* Return whether an item has been loaded.
*
* @param string $item item to check. Current possibilities:
* - id
* - name
* - realname
* @param string $all 'all' to check if the whole object has been loaded
* or any other string to check if only the item is available (e.g.
* for optimisation)
* @return boolean
*/
public function isItemLoaded( $item, $all = 'all' ) {
return ( $this->mLoadedItems === true && $all === 'all' ) ||
( isset( $this->mLoadedItems[$item] ) && $this->mLoadedItems[$item] === true );
}
/**
* Set that an item has been loaded
*
* @param string $item
*/
protected function setItemLoaded( $item ) {
if ( is_array( $this->mLoadedItems ) ) {
$this->mLoadedItems[$item] = true;
}
}
/**
* Load user data from the session or login cookie.
* @return bool True if the user is logged in, false otherwise.
*/
private function loadFromSession() {
$result = null;
wfRunHooks( 'UserLoadFromSession', array( $this, &$result ) );
if ( $result !== null ) {
return $result;
}
$request = $this->getRequest();
$cookieId = $request->getCookie( 'UserID' );
$sessId = $request->getSessionData( 'wsUserID' );
if ( $cookieId !== null ) {
$sId = intval( $cookieId );
if ( $sessId !== null && $cookieId != $sessId ) {
wfDebugLog( 'loginSessions', "Session user ID ($sessId) and
cookie user ID ($sId) don't match!" );
return false;
}
$request->setSessionData( 'wsUserID', $sId );
} elseif ( $sessId !== null && $sessId != 0 ) {
$sId = $sessId;
} else {
return false;
}
if ( $request->getSessionData( 'wsUserName' ) !== null ) {
$sName = $request->getSessionData( 'wsUserName' );
} elseif ( $request->getCookie( 'UserName' ) !== null ) {
$sName = $request->getCookie( 'UserName' );
$request->setSessionData( 'wsUserName', $sName );
} else {
return false;
}
$proposedUser = User::newFromId( $sId );
if ( !$proposedUser->isLoggedIn() ) {
// Not a valid ID
return false;
}
global $wgBlockDisablesLogin;
if ( $wgBlockDisablesLogin && $proposedUser->isBlocked() ) {
// User blocked and we've disabled blocked user logins
return false;
}
if ( $request->getSessionData( 'wsToken' ) ) {
$passwordCorrect = ( $proposedUser->getToken( false ) === $request->getSessionData( 'wsToken' ) );
$from = 'session';
} elseif ( $request->getCookie( 'Token' ) ) {
# Get the token from DB/cache and clean it up to remove garbage padding.
# This deals with historical problems with bugs and the default column value.
$token = rtrim( $proposedUser->getToken( false ) ); // correct token
// Make comparison in constant time (bug 61346)
$passwordCorrect = strlen( $token ) && $this->compareSecrets( $token, $request->getCookie( 'Token' ) );
$from = 'cookie';
} else {
// No session or persistent login cookie
return false;
}
if ( ( $sName === $proposedUser->getName() ) && $passwordCorrect ) {
$this->loadFromUserObject( $proposedUser );
$request->setSessionData( 'wsToken', $this->mToken );
wfDebug( "User: logged in from $from\n" );
return true;
} else {
// Invalid credentials
wfDebug( "User: can't log in from $from, invalid credentials\n" );
return false;
}
}
/**
* A comparison of two strings, not vulnerable to timing attacks
* @param string $answer the secret string that you are comparing against.
* @param string $test compare this string to the $answer.
* @return bool True if the strings are the same, false otherwise
*/
protected function compareSecrets( $answer, $test ) {
if ( strlen( $answer ) !== strlen( $test ) ) {
$passwordCorrect = false;
} else {
$result = 0;
for ( $i = 0; $i < strlen( $answer ); $i++ ) {
$result |= ord( $answer{$i} ) ^ ord( $test{$i} );
}
$passwordCorrect = ( $result == 0 );
}
return $passwordCorrect;
}
/**
* Load user and user_group data from the database.
* $this->mId must be set, this is how the user is identified.
*
* @return bool True if the user exists, false if the user is anonymous
*/
public function loadFromDatabase() {
// Paranoia
$this->mId = intval( $this->mId );
// Anonymous user
if ( !$this->mId ) {
$this->loadDefaults();
return false;
}
$dbr = wfGetDB( DB_MASTER );
$s = $dbr->selectRow( 'user', self::selectFields(), array( 'user_id' => $this->mId ), __METHOD__ );
wfRunHooks( 'UserLoadFromDatabase', array( $this, &$s ) );
if ( $s !== false ) {
// Initialise user table data
$this->loadFromRow( $s );
$this->mGroups = null; // deferred
$this->getEditCount(); // revalidation for nulls
return true;
} else {
// Invalid user_id
$this->mId = 0;
$this->loadDefaults();
return false;
}
}
/**
* Initialize this object from a row from the user table.
*
* @param array $row Row from the user table to load.
* @param array $data Further user data to load into the object
*
* user_groups Array with groups out of the user_groups table
* user_properties Array with properties out of the user_properties table
*/
public function loadFromRow( $row, $data = null ) {
$all = true;
$this->mGroups = null; // deferred
if ( isset( $row->user_name ) ) {
$this->mName = $row->user_name;
$this->mFrom = 'name';
$this->setItemLoaded( 'name' );
} else {
$all = false;
}
if ( isset( $row->user_real_name ) ) {
$this->mRealName = $row->user_real_name;
$this->setItemLoaded( 'realname' );
} else {
$all = false;
}
if ( isset( $row->user_id ) ) {
$this->mId = intval( $row->user_id );
$this->mFrom = 'id';
$this->setItemLoaded( 'id' );
} else {
$all = false;
}
if ( isset( $row->user_editcount ) ) {
$this->mEditCount = $row->user_editcount;
} else {
$all = false;
}
if ( isset( $row->user_password ) ) {
$this->mPassword = $row->user_password;
$this->mNewpassword = $row->user_newpassword;
$this->mNewpassTime = wfTimestampOrNull( TS_MW, $row->user_newpass_time );
$this->mEmail = $row->user_email;
if ( isset( $row->user_options ) ) {
$this->decodeOptions( $row->user_options );
}
$this->mTouched = wfTimestamp( TS_MW, $row->user_touched );
$this->mToken = $row->user_token;
if ( $this->mToken == '' ) {
$this->mToken = null;
}
$this->mEmailAuthenticated = wfTimestampOrNull( TS_MW, $row->user_email_authenticated );
$this->mEmailToken = $row->user_email_token;
$this->mEmailTokenExpires = wfTimestampOrNull( TS_MW, $row->user_email_token_expires );
$this->mRegistration = wfTimestampOrNull( TS_MW, $row->user_registration );
} else {
$all = false;
}
if ( $all ) {
$this->mLoadedItems = true;
}
if ( is_array( $data ) ) {
if ( isset( $data['user_groups'] ) && is_array( $data['user_groups'] ) ) {
$this->mGroups = $data['user_groups'];
}
if ( isset( $data['user_properties'] ) && is_array( $data['user_properties'] ) ) {
$this->loadOptions( $data['user_properties'] );
}
}
}
/**
* Load the data for this user object from another user object.
*
* @param $user User
*/
protected function loadFromUserObject( $user ) {
$user->load();
$user->loadGroups();
$user->loadOptions();
foreach ( self::$mCacheVars as $var ) {
$this->$var = $user->$var;
}
}
/**
* Load the groups from the database if they aren't already loaded.
*/
private function loadGroups() {
if ( is_null( $this->mGroups ) ) {
$dbr = wfGetDB( DB_MASTER );
$res = $dbr->select( 'user_groups',
array( 'ug_group' ),
array( 'ug_user' => $this->mId ),
__METHOD__ );
$this->mGroups = array();
foreach ( $res as $row ) {
$this->mGroups[] = $row->ug_group;
}
}
}
/**
* Add the user to the group if he/she meets given criteria.
*
* Contrary to autopromotion by \ref $wgAutopromote, the group will be
* possible to remove manually via Special:UserRights. In such case it
* will not be re-added automatically. The user will also not lose the
* group if they no longer meet the criteria.
*
* @param string $event key in $wgAutopromoteOnce (each one has groups/criteria)
*
* @return array Array of groups the user has been promoted to.
*
* @see $wgAutopromoteOnce
*/
public function addAutopromoteOnceGroups( $event ) {
global $wgAutopromoteOnceLogInRC, $wgAuth;
$toPromote = array();
if ( $this->getId() ) {
$toPromote = Autopromote::getAutopromoteOnceGroups( $this, $event );
if ( count( $toPromote ) ) {
$oldGroups = $this->getGroups(); // previous groups
foreach ( $toPromote as $group ) {
$this->addGroup( $group );
}
// update groups in external authentication database
$wgAuth->updateExternalDBGroups( $this, $toPromote );
$newGroups = array_merge( $oldGroups, $toPromote ); // all groups
$logEntry = new ManualLogEntry( 'rights', 'autopromote' );
$logEntry->setPerformer( $this );
$logEntry->setTarget( $this->getUserPage() );
$logEntry->setParameters( array(
'4::oldgroups' => $oldGroups,
'5::newgroups' => $newGroups,
) );
$logid = $logEntry->insert();
if ( $wgAutopromoteOnceLogInRC ) {
$logEntry->publish( $logid );
}
}
}
return $toPromote;
}
/**
* Clear various cached data stored in this object. The cache of the user table
* data (i.e. self::$mCacheVars) is not cleared unless $reloadFrom is given.
*
* @param bool|string $reloadFrom Reload user and user_groups table data from a
* given source. May be "name", "id", "defaults", "session", or false for
* no reload.
*/
public function clearInstanceCache( $reloadFrom = false ) {
$this->mNewtalk = -1;
$this->mDatePreference = null;
$this->mBlockedby = -1; # Unset
$this->mHash = false;
$this->mRights = null;
$this->mEffectiveGroups = null;
$this->mImplicitGroups = null;
$this->mGroups = null;
$this->mOptions = null;
$this->mOptionsLoaded = false;
$this->mEditCount = null;
if ( $reloadFrom ) {
$this->mLoadedItems = array();
$this->mFrom = $reloadFrom;
}
}
/**
* Combine the language default options with any site-specific options
* and add the default language variants.
*
* @return Array of String options
*/
public static function getDefaultOptions() {
global $wgNamespacesToBeSearchedDefault, $wgDefaultUserOptions, $wgContLang, $wgDefaultSkin;
static $defOpt = null;
if ( !defined( 'MW_PHPUNIT_TEST' ) && $defOpt !== null ) {
// Disabling this for the unit tests, as they rely on being able to change $wgContLang
// mid-request and see that change reflected in the return value of this function.
// Which is insane and would never happen during normal MW operation
return $defOpt;
}
$defOpt = $wgDefaultUserOptions;
// Default language setting
$defOpt['language'] = $wgContLang->getCode();
foreach ( LanguageConverter::$languagesWithVariants as $langCode ) {
$defOpt[$langCode == $wgContLang->getCode() ? 'variant' : "variant-$langCode"] = $langCode;
}
foreach ( SearchEngine::searchableNamespaces() as $nsnum => $nsname ) {
$defOpt['searchNs' . $nsnum] = !empty( $wgNamespacesToBeSearchedDefault[$nsnum] );
}
$defOpt['skin'] = $wgDefaultSkin;
wfRunHooks( 'UserGetDefaultOptions', array( &$defOpt ) );
return $defOpt;
}
/**
* Get a given default option value.
*
* @param string $opt Name of option to retrieve
* @return string Default option value
*/
public static function getDefaultOption( $opt ) {
$defOpts = self::getDefaultOptions();
if ( isset( $defOpts[$opt] ) ) {
return $defOpts[$opt];
} else {
return null;
}
}
/**
* Get blocking information
* @param bool $bFromSlave Whether to check the slave database first. To
* improve performance, non-critical checks are done
* against slaves. Check when actually saving should be
* done against master.
*/
private function getBlockedStatus( $bFromSlave = true ) {
global $wgProxyWhitelist, $wgUser, $wgApplyIpBlocksToXff;
if ( -1 != $this->mBlockedby ) {
return;
}
wfProfileIn( __METHOD__ );
wfDebug( __METHOD__ . ": checking...\n" );
// Initialize data...
// Otherwise something ends up stomping on $this->mBlockedby when
// things get lazy-loaded later, causing false positive block hits
// due to -1 !== 0. Probably session-related... Nothing should be
// overwriting mBlockedby, surely?
$this->load();
# We only need to worry about passing the IP address to the Block generator if the
# user is not immune to autoblocks/hardblocks, and they are the current user so we
# know which IP address they're actually coming from
if ( !$this->isAllowed( 'ipblock-exempt' ) && $this->getID() == $wgUser->getID() ) {
$ip = $this->getRequest()->getIP();
} else {
$ip = null;
}
// User/IP blocking
$block = Block::newFromTarget( $this, $ip, !$bFromSlave );
// Proxy blocking
if ( !$block instanceof Block && $ip !== null && !$this->isAllowed( 'proxyunbannable' )
&& !in_array( $ip, $wgProxyWhitelist ) )
{
// Local list
if ( self::isLocallyBlockedProxy( $ip ) ) {
$block = new Block;
$block->setBlocker( wfMessage( 'proxyblocker' )->text() );
$block->mReason = wfMessage( 'proxyblockreason' )->text();
$block->setTarget( $ip );
} elseif ( $this->isAnon() && $this->isDnsBlacklisted( $ip ) ) {
$block = new Block;
$block->setBlocker( wfMessage( 'sorbs' )->text() );
$block->mReason = wfMessage( 'sorbsreason' )->text();
$block->setTarget( $ip );
}
}
// (bug 23343) Apply IP blocks to the contents of XFF headers, if enabled
if ( !$block instanceof Block
&& $wgApplyIpBlocksToXff
&& $ip !== null
&& !$this->isAllowed( 'proxyunbannable' )
&& !in_array( $ip, $wgProxyWhitelist )
) {
$xff = $this->getRequest()->getHeader( 'X-Forwarded-For' );
$xff = array_map( 'trim', explode( ',', $xff ) );
$xff = array_diff( $xff, array( $ip ) );
$xffblocks = Block::getBlocksForIPList( $xff, $this->isAnon(), !$bFromSlave );
$block = Block::chooseBlock( $xffblocks, $xff );
if ( $block instanceof Block ) {
# Mangle the reason to alert the user that the block
# originated from matching the X-Forwarded-For header.
$block->mReason = wfMessage( 'xffblockreason', $block->mReason )->text();
}
}
if ( $block instanceof Block ) {
wfDebug( __METHOD__ . ": Found block.\n" );
$this->mBlock = $block;
$this->mBlockedby = $block->getByName();
$this->mBlockreason = $block->mReason;
$this->mHideName = $block->mHideName;
$this->mAllowUsertalk = !$block->prevents( 'editownusertalk' );
} else {
$this->mBlockedby = '';
$this->mHideName = 0;
$this->mAllowUsertalk = false;
}
// Extensions
wfRunHooks( 'GetBlockedStatus', array( &$this ) );
wfProfileOut( __METHOD__ );
}
/**
* Whether the given IP is in a DNS blacklist.
*
* @param string $ip IP to check
* @param bool $checkWhitelist whether to check the whitelist first
* @return bool True if blacklisted.
*/
public function isDnsBlacklisted( $ip, $checkWhitelist = false ) {
global $wgEnableSorbs, $wgEnableDnsBlacklist,
$wgSorbsUrl, $wgDnsBlacklistUrls, $wgProxyWhitelist;
if ( !$wgEnableDnsBlacklist && !$wgEnableSorbs ) {
return false;
}
if ( $checkWhitelist && in_array( $ip, $wgProxyWhitelist ) ) {
return false;
}
$urls = array_merge( $wgDnsBlacklistUrls, (array)$wgSorbsUrl );
return $this->inDnsBlacklist( $ip, $urls );
}
/**
* Whether the given IP is in a given DNS blacklist.
*
* @param string $ip IP to check
* @param string|array $bases of Strings: URL of the DNS blacklist
* @return bool True if blacklisted.
*/
public function inDnsBlacklist( $ip, $bases ) {
wfProfileIn( __METHOD__ );
$found = false;
// @todo FIXME: IPv6 ??? (http://bugs.php.net/bug.php?id=33170)
if ( IP::isIPv4( $ip ) ) {
// Reverse IP, bug 21255
$ipReversed = implode( '.', array_reverse( explode( '.', $ip ) ) );
foreach ( (array)$bases as $base ) {
// Make hostname
// If we have an access key, use that too (ProjectHoneypot, etc.)
if ( is_array( $base ) ) {
if ( count( $base ) >= 2 ) {
// Access key is 1, base URL is 0
$host = "{$base[1]}.$ipReversed.{$base[0]}";
} else {
$host = "$ipReversed.{$base[0]}";
}
} else {
$host = "$ipReversed.$base";
}
// Send query
$ipList = gethostbynamel( $host );
if ( $ipList ) {
wfDebugLog( 'dnsblacklist', "Hostname $host is {$ipList[0]}, it's a proxy says $base!\n" );
$found = true;
break;
} else {
wfDebugLog( 'dnsblacklist', "Requested $host, not found in $base.\n" );
}
}
}
wfProfileOut( __METHOD__ );
return $found;
}
/**
* Check if an IP address is in the local proxy list
*
* @param $ip string
*
* @return bool
*/
public static function isLocallyBlockedProxy( $ip ) {
global $wgProxyList;
if ( !$wgProxyList ) {
return false;
}
wfProfileIn( __METHOD__ );
if ( !is_array( $wgProxyList ) ) {
// Load from the specified file
$wgProxyList = array_map( 'trim', file( $wgProxyList ) );
}
if ( !is_array( $wgProxyList ) ) {
$ret = false;
} elseif ( array_search( $ip, $wgProxyList ) !== false ) {
$ret = true;
} elseif ( array_key_exists( $ip, $wgProxyList ) ) {
// Old-style flipped proxy list
$ret = true;
} else {
$ret = false;
}
wfProfileOut( __METHOD__ );
return $ret;
}
/**
* Is this user subject to rate limiting?
*
* @return bool True if rate limited
*/
public function isPingLimitable() {
global $wgRateLimitsExcludedIPs;
if ( in_array( $this->getRequest()->getIP(), $wgRateLimitsExcludedIPs ) ) {
// No other good way currently to disable rate limits
// for specific IPs. :P
// But this is a crappy hack and should die.
return false;
}
return !$this->isAllowed( 'noratelimit' );
}
/**
* Primitive rate limits: enforce maximum actions per time period
* to put a brake on flooding.
*
* @note When using a shared cache like memcached, IP-address
* last-hit counters will be shared across wikis.
*
* @param string $action Action to enforce; 'edit' if unspecified
* @param integer $incrBy Positive amount to increment counter by [defaults to 1]
* @return bool True if a rate limiter was tripped
*/
public function pingLimiter( $action = 'edit', $incrBy = 1 ) {
// Call the 'PingLimiter' hook
$result = false;
if ( !wfRunHooks( 'PingLimiter', array( &$this, $action, &$result, $incrBy ) ) ) {
return $result;
}
global $wgRateLimits;
if ( !isset( $wgRateLimits[$action] ) ) {
return false;
}
// Some groups shouldn't trigger the ping limiter, ever
if ( !$this->isPingLimitable() ) {
return false;
}
global $wgMemc, $wgRateLimitLog;
wfProfileIn( __METHOD__ );
$limits = $wgRateLimits[$action];
$keys = array();
$id = $this->getId();
$userLimit = false;
if ( isset( $limits['anon'] ) && $id == 0 ) {
$keys[wfMemcKey( 'limiter', $action, 'anon' )] = $limits['anon'];
}
if ( isset( $limits['user'] ) && $id != 0 ) {
$userLimit = $limits['user'];
}
if ( $this->isNewbie() ) {
if ( isset( $limits['newbie'] ) && $id != 0 ) {
$keys[wfMemcKey( 'limiter', $action, 'user', $id )] = $limits['newbie'];
}
if ( isset( $limits['ip'] ) ) {
$ip = $this->getRequest()->getIP();
$keys["mediawiki:limiter:$action:ip:$ip"] = $limits['ip'];
}
if ( isset( $limits['subnet'] ) ) {
$ip = $this->getRequest()->getIP();
$matches = array();
$subnet = false;
if ( IP::isIPv6( $ip ) ) {
$parts = IP::parseRange( "$ip/64" );
$subnet = $parts[0];
} elseif ( preg_match( '/^(\d+\.\d+\.\d+)\.\d+$/', $ip, $matches ) ) {
// IPv4
$subnet = $matches[1];
}
if ( $subnet !== false ) {
$keys["mediawiki:limiter:$action:subnet:$subnet"] = $limits['subnet'];
}
}
}
// Check for group-specific permissions
// If more than one group applies, use the group with the highest limit
foreach ( $this->getGroups() as $group ) {
if ( isset( $limits[$group] ) ) {
if ( $userLimit === false || $limits[$group] > $userLimit ) {
$userLimit = $limits[$group];
}
}
}
// Set the user limit key
if ( $userLimit !== false ) {
list( $max, $period ) = $userLimit;
wfDebug( __METHOD__ . ": effective user limit: $max in {$period}s\n" );
$keys[wfMemcKey( 'limiter', $action, 'user', $id )] = $userLimit;
}
$triggered = false;
foreach ( $keys as $key => $limit ) {
list( $max, $period ) = $limit;
$summary = "(limit $max in {$period}s)";
$count = $wgMemc->get( $key );
// Already pinged?
if ( $count ) {
if ( $count >= $max ) {
wfDebug( __METHOD__ . ": tripped! $key at $count $summary\n" );
if ( $wgRateLimitLog ) {
wfSuppressWarnings();
file_put_contents( $wgRateLimitLog, wfTimestamp( TS_MW ) . ' ' . wfWikiID() . ': ' . $this->getName() . " tripped $key at $count $summary\n", FILE_APPEND );
wfRestoreWarnings();
}
$triggered = true;
} else {
wfDebug( __METHOD__ . ": ok. $key at $count $summary\n" );
}
} else {
wfDebug( __METHOD__ . ": adding record for $key $summary\n" );
if ( $incrBy > 0 ) {
$wgMemc->add( $key, 0, intval( $period ) ); // first ping
}
}
if ( $incrBy > 0 ) {
$wgMemc->incr( $key, $incrBy );
}
}
wfProfileOut( __METHOD__ );
return $triggered;
}
/**
* Check if user is blocked
*
* @param bool $bFromSlave Whether to check the slave database instead of the master
* @return bool True if blocked, false otherwise
*/
public function isBlocked( $bFromSlave = true ) { // hacked from false due to horrible probs on site
return $this->getBlock( $bFromSlave ) instanceof Block && $this->getBlock()->prevents( 'edit' );
}
/**
* Get the block affecting the user, or null if the user is not blocked
*
* @param bool $bFromSlave Whether to check the slave database instead of the master
* @return Block|null
*/
public function getBlock( $bFromSlave = true ) {
$this->getBlockedStatus( $bFromSlave );
return $this->mBlock instanceof Block ? $this->mBlock : null;
}
/**
* Check if user is blocked from editing a particular article
*
* @param Title $title Title to check
* @param bool $bFromSlave whether to check the slave database instead of the master
* @return bool
*/
function isBlockedFrom( $title, $bFromSlave = false ) {
global $wgBlockAllowsUTEdit;
wfProfileIn( __METHOD__ );
$blocked = $this->isBlocked( $bFromSlave );
$allowUsertalk = ( $wgBlockAllowsUTEdit ? $this->mAllowUsertalk : false );
// If a user's name is suppressed, they cannot make edits anywhere
if ( !$this->mHideName && $allowUsertalk && $title->getText() === $this->getName() &&
$title->getNamespace() == NS_USER_TALK ) {
$blocked = false;
wfDebug( __METHOD__ . ": self-talk page, ignoring any blocks\n" );
}
wfRunHooks( 'UserIsBlockedFrom', array( $this, $title, &$blocked, &$allowUsertalk ) );
wfProfileOut( __METHOD__ );
return $blocked;
}
/**
* If user is blocked, return the name of the user who placed the block
* @return string Name of blocker
*/
public function blockedBy() {
$this->getBlockedStatus();
return $this->mBlockedby;
}
/**
* If user is blocked, return the specified reason for the block
* @return string Blocking reason
*/
public function blockedFor() {
$this->getBlockedStatus();
return $this->mBlockreason;
}
/**
* If user is blocked, return the ID for the block
* @return int Block ID
*/
public function getBlockId() {
$this->getBlockedStatus();
return ( $this->mBlock ? $this->mBlock->getId() : false );
}
/**
* Check if user is blocked on all wikis.
* Do not use for actual edit permission checks!
* This is intended for quick UI checks.
*
* @param string $ip IP address, uses current client if none given
* @return bool True if blocked, false otherwise
*/
public function isBlockedGlobally( $ip = '' ) {
if ( $this->mBlockedGlobally !== null ) {
return $this->mBlockedGlobally;
}
// User is already an IP?
if ( IP::isIPAddress( $this->getName() ) ) {
$ip = $this->getName();
} elseif ( !$ip ) {
$ip = $this->getRequest()->getIP();
}
$blocked = false;
wfRunHooks( 'UserIsBlockedGlobally', array( &$this, $ip, &$blocked ) );
$this->mBlockedGlobally = (bool)$blocked;
return $this->mBlockedGlobally;
}
/**
* Check if user account is locked
*
* @return bool True if locked, false otherwise
*/
public function isLocked() {
if ( $this->mLocked !== null ) {
return $this->mLocked;
}
global $wgAuth;
StubObject::unstub( $wgAuth );
$authUser = $wgAuth->getUserInstance( $this );
$this->mLocked = (bool)$authUser->isLocked();
return $this->mLocked;
}
/**
* Check if user account is hidden
*
* @return bool True if hidden, false otherwise
*/
public function isHidden() {
if ( $this->mHideName !== null ) {
return $this->mHideName;
}
$this->getBlockedStatus();
if ( !$this->mHideName ) {
global $wgAuth;
StubObject::unstub( $wgAuth );
$authUser = $wgAuth->getUserInstance( $this );
$this->mHideName = (bool)$authUser->isHidden();
}
return $this->mHideName;
}
/**
* Get the user's ID.
* @return int The user's ID; 0 if the user is anonymous or nonexistent
*/
public function getId() {
if ( $this->mId === null && $this->mName !== null && User::isIP( $this->mName ) ) {
// Special case, we know the user is anonymous
return 0;
} elseif ( !$this->isItemLoaded( 'id' ) ) {
// Don't load if this was initialized from an ID
$this->load();
}
return $this->mId;
}
/**
* Set the user and reload all fields according to a given ID
* @param int $v User ID to reload
*/
public function setId( $v ) {
$this->mId = $v;
$this->clearInstanceCache( 'id' );
}
/**
* Get the user name, or the IP of an anonymous user
* @return string User's name or IP address
*/
public function getName() {
if ( $this->isItemLoaded( 'name', 'only' ) ) {
// Special case optimisation
return $this->mName;
} else {
$this->load();
if ( $this->mName === false ) {
// Clean up IPs
$this->mName = IP::sanitizeIP( $this->getRequest()->getIP() );
}
return $this->mName;
}
}
/**
* Set the user name.
*
* This does not reload fields from the database according to the given
* name. Rather, it is used to create a temporary "nonexistent user" for
* later addition to the database. It can also be used to set the IP
* address for an anonymous user to something other than the current
* remote IP.
*
* @note User::newFromName() has roughly the same function, when the named user
* does not exist.
* @param string $str New user name to set
*/
public function setName( $str ) {
$this->load();
$this->mName = $str;
}
/**
* Get the user's name escaped by underscores.
* @return string Username escaped by underscores.
*/
public function getTitleKey() {
return str_replace( ' ', '_', $this->getName() );
}
/**
* Check if the user has new messages.
* @return bool True if the user has new messages
*/
public function getNewtalk() {
$this->load();
// Load the newtalk status if it is unloaded (mNewtalk=-1)
if ( $this->mNewtalk === -1 ) {
$this->mNewtalk = false; # reset talk page status
// Check memcached separately for anons, who have no
// entire User object stored in there.
if ( !$this->mId ) {
global $wgDisableAnonTalk;
if ( $wgDisableAnonTalk ) {
// Anon newtalk disabled by configuration.
$this->mNewtalk = false;
} else {
global $wgMemc;
$key = wfMemcKey( 'newtalk', 'ip', $this->getName() );
$newtalk = $wgMemc->get( $key );
if ( strval( $newtalk ) !== '' ) {
$this->mNewtalk = (bool)$newtalk;
} else {
// Since we are caching this, make sure it is up to date by getting it
// from the master
$this->mNewtalk = $this->checkNewtalk( 'user_ip', $this->getName(), true );
$wgMemc->set( $key, (int)$this->mNewtalk, 1800 );
}
}
} else {
$this->mNewtalk = $this->checkNewtalk( 'user_id', $this->mId );
}
}
return (bool)$this->mNewtalk;
}
/**
* Return the data needed to construct links for new talk page message
* alerts. If there are new messages, this will return an associative array
* with the following data:
* wiki: The database name of the wiki
* link: Root-relative link to the user's talk page
* rev: The last talk page revision that the user has seen or null. This
* is useful for building diff links.
* If there are no new messages, it returns an empty array.
* @note This function was designed to accomodate multiple talk pages, but
* currently only returns a single link and revision.
* @return Array
*/
public function getNewMessageLinks() {
$talks = array();
if ( !wfRunHooks( 'UserRetrieveNewTalks', array( &$this, &$talks ) ) ) {
return $talks;
} elseif ( !$this->getNewtalk() ) {
return array();
}
$utp = $this->getTalkPage();
$dbr = wfGetDB( DB_SLAVE );
// Get the "last viewed rev" timestamp from the oldest message notification
$timestamp = $dbr->selectField( 'user_newtalk',
'MIN(user_last_timestamp)',
$this->isAnon() ? array( 'user_ip' => $this->getName() ) : array( 'user_id' => $this->getID() ),
__METHOD__ );
$rev = $timestamp ? Revision::loadFromTimestamp( $dbr, $utp, $timestamp ) : null;
return array( array( 'wiki' => wfWikiID(), 'link' => $utp->getLocalURL(), 'rev' => $rev ) );
}
/**
* Get the revision ID for the last talk page revision viewed by the talk
* page owner.
* @return int|null Revision ID or null
*/
public function getNewMessageRevisionId() {
$newMessageRevisionId = null;
$newMessageLinks = $this->getNewMessageLinks();
if ( $newMessageLinks ) {
// Note: getNewMessageLinks() never returns more than a single link
// and it is always for the same wiki, but we double-check here in
// case that changes some time in the future.
if ( count( $newMessageLinks ) === 1
&& $newMessageLinks[0]['wiki'] === wfWikiID()
&& $newMessageLinks[0]['rev']
) {
$newMessageRevision = $newMessageLinks[0]['rev'];
$newMessageRevisionId = $newMessageRevision->getId();
}
}
return $newMessageRevisionId;
}
/**
* Internal uncached check for new messages
*
* @see getNewtalk()
* @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
* @param string|int $id User's IP address for anonymous users, User ID otherwise
* @param bool $fromMaster true to fetch from the master, false for a slave
* @return bool True if the user has new messages
*/
protected function checkNewtalk( $field, $id, $fromMaster = false ) {
if ( $fromMaster ) {
$db = wfGetDB( DB_MASTER );
} else {
$db = wfGetDB( DB_SLAVE );
}
$ok = $db->selectField( 'user_newtalk', $field,
array( $field => $id ), __METHOD__ );
return $ok !== false;
}
/**
* Add or update the new messages flag
* @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
* @param string|int $id User's IP address for anonymous users, User ID otherwise
* @param $curRev Revision new, as yet unseen revision of the user talk page. Ignored if null.
* @return bool True if successful, false otherwise
*/
protected function updateNewtalk( $field, $id, $curRev = null ) {
// Get timestamp of the talk page revision prior to the current one
$prevRev = $curRev ? $curRev->getPrevious() : false;
$ts = $prevRev ? $prevRev->getTimestamp() : null;
// Mark the user as having new messages since this revision
$dbw = wfGetDB( DB_MASTER );
$dbw->insert( 'user_newtalk',
array( $field => $id, 'user_last_timestamp' => $dbw->timestampOrNull( $ts ) ),
__METHOD__,
'IGNORE' );
if ( $dbw->affectedRows() ) {
wfDebug( __METHOD__ . ": set on ($field, $id)\n" );
return true;
} else {
wfDebug( __METHOD__ . " already set ($field, $id)\n" );
return false;
}
}
/**
* Clear the new messages flag for the given user
* @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
* @param string|int $id User's IP address for anonymous users, User ID otherwise
* @return bool True if successful, false otherwise
*/
protected function deleteNewtalk( $field, $id ) {
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'user_newtalk',
array( $field => $id ),
__METHOD__ );
if ( $dbw->affectedRows() ) {
wfDebug( __METHOD__ . ": killed on ($field, $id)\n" );
return true;
} else {
wfDebug( __METHOD__ . ": already gone ($field, $id)\n" );
return false;
}
}
/**
* Update the 'You have new messages!' status.
* @param bool $val Whether the user has new messages
* @param $curRev Revision new, as yet unseen revision of the user talk page. Ignored if null or !$val.
*/
public function setNewtalk( $val, $curRev = null ) {
if ( wfReadOnly() ) {
return;
}
$this->load();
$this->mNewtalk = $val;
if ( $this->isAnon() ) {
$field = 'user_ip';
$id = $this->getName();
} else {
$field = 'user_id';
$id = $this->getId();
}
global $wgMemc;
if ( $val ) {
$changed = $this->updateNewtalk( $field, $id, $curRev );
} else {
$changed = $this->deleteNewtalk( $field, $id );
}
if ( $this->isAnon() ) {
// Anons have a separate memcached space, since
// user records aren't kept for them.
$key = wfMemcKey( 'newtalk', 'ip', $id );
$wgMemc->set( $key, $val ? 1 : 0, 1800 );
}
if ( $changed ) {
$this->invalidateCache();
}
}
/**
* Generate a current or new-future timestamp to be stored in the
* user_touched field when we update things.
* @return string Timestamp in TS_MW format
*/
private static function newTouchedTimestamp() {
global $wgClockSkewFudge;
return wfTimestamp( TS_MW, time() + $wgClockSkewFudge );
}
/**
* Clear user data from memcached.
* Use after applying fun updates to the database; caller's
* responsibility to update user_touched if appropriate.
*
* Called implicitly from invalidateCache() and saveSettings().
*/
private function clearSharedCache() {
$this->load();
if ( $this->mId ) {
global $wgMemc;
$wgMemc->delete( wfMemcKey( 'user', 'id', $this->mId ) );
}
}
/**
* Immediately touch the user data cache for this account.
* Updates user_touched field, and removes account data from memcached
* for reload on the next hit.
*/
public function invalidateCache() {
if ( wfReadOnly() ) {
return;
}
$this->load();
if ( $this->mId ) {
$this->mTouched = self::newTouchedTimestamp();
$dbw = wfGetDB( DB_MASTER );
$userid = $this->mId;
$touched = $this->mTouched;
$method = __METHOD__;
$dbw->onTransactionIdle( function() use ( $dbw, $userid, $touched, $method ) {
// Prevent contention slams by checking user_touched first
$encTouched = $dbw->addQuotes( $dbw->timestamp( $touched ) );
$needsPurge = $dbw->selectField( 'user', '1',
array( 'user_id' => $userid, 'user_touched < ' . $encTouched ) );
if ( $needsPurge ) {
$dbw->update( 'user',
array( 'user_touched' => $dbw->timestamp( $touched ) ),
array( 'user_id' => $userid, 'user_touched < ' . $encTouched ),
$method
);
}
} );
$this->clearSharedCache();
}
}
/**
* Validate the cache for this account.
* @param string $timestamp A timestamp in TS_MW format
* @return bool
*/
public function validateCache( $timestamp ) {
$this->load();
return ( $timestamp >= $this->mTouched );
}
/**
* Get the user touched timestamp
* @return string timestamp
*/
public function getTouched() {
$this->load();
return $this->mTouched;
}
/**
* Set the password and reset the random token.
* Calls through to authentication plugin if necessary;
* will have no effect if the auth plugin refuses to
* pass the change through or if the legal password
* checks fail.
*
* As a special case, setting the password to null
* wipes it, so the account cannot be logged in until
* a new password is set, for instance via e-mail.
*
* @param string $str New password to set
* @throws PasswordError on failure
*
* @return bool
*/
public function setPassword( $str ) {
global $wgAuth;
if ( $str !== null ) {
if ( !$wgAuth->allowPasswordChange() ) {
throw new PasswordError( wfMessage( 'password-change-forbidden' )->text() );
}
if ( !$this->isValidPassword( $str ) ) {
global $wgMinimalPasswordLength;
$valid = $this->getPasswordValidity( $str );
if ( is_array( $valid ) ) {
$message = array_shift( $valid );
$params = $valid;
} else {
$message = $valid;
$params = array( $wgMinimalPasswordLength );
}
throw new PasswordError( wfMessage( $message, $params )->text() );
}
}
if ( !$wgAuth->setPassword( $this, $str ) ) {
throw new PasswordError( wfMessage( 'externaldberror' )->text() );
}
$this->setInternalPassword( $str );
return true;
}
/**
* Set the password and reset the random token unconditionally.
*
* @param string|null $str New password to set or null to set an invalid
* password hash meaning that the user will not be able to log in
* through the web interface.
*/
public function setInternalPassword( $str ) {
$this->load();
$this->setToken();
if ( $str === null ) {
// Save an invalid hash...
$this->mPassword = '';
} else {
$this->mPassword = self::crypt( $str );
}
$this->mNewpassword = '';
$this->mNewpassTime = null;
}
/**
* Get the user's current token.
* @param bool $forceCreation Force the generation of a new token if the user doesn't have one (default=true for backwards compatibility)
* @return string Token
*/
public function getToken( $forceCreation = true ) {
$this->load();
if ( !$this->mToken && $forceCreation ) {
$this->setToken();
}
return $this->mToken;
}
/**
* Set the random token (used for persistent authentication)
* Called from loadDefaults() among other places.
*
* @param string|bool $token If specified, set the token to this value
*/
public function setToken( $token = false ) {
$this->load();
if ( !$token ) {
$this->mToken = MWCryptRand::generateHex( USER_TOKEN_LENGTH );
} else {
$this->mToken = $token;
}
}
/**
* Set the password for a password reminder or new account email
*
* @param string $str New password to set
* @param bool $throttle If true, reset the throttle timestamp to the present
*/
public function setNewpassword( $str, $throttle = true ) {
$this->load();
$this->mNewpassword = self::crypt( $str );
if ( $throttle ) {
$this->mNewpassTime = wfTimestampNow();
}
}
/**
* Has password reminder email been sent within the last
* $wgPasswordReminderResendTime hours?
* @return bool
*/
public function isPasswordReminderThrottled() {
global $wgPasswordReminderResendTime;
$this->load();
if ( !$this->mNewpassTime || !$wgPasswordReminderResendTime ) {
return false;
}
$expiry = wfTimestamp( TS_UNIX, $this->mNewpassTime ) + $wgPasswordReminderResendTime * 3600;
return time() < $expiry;
}
/**
* Get the user's e-mail address
* @return string User's email address
*/
public function getEmail() {
$this->load();
wfRunHooks( 'UserGetEmail', array( $this, &$this->mEmail ) );
return $this->mEmail;
}
/**
* Get the timestamp of the user's e-mail authentication
* @return string TS_MW timestamp
*/
public function getEmailAuthenticationTimestamp() {
$this->load();
wfRunHooks( 'UserGetEmailAuthenticationTimestamp', array( $this, &$this->mEmailAuthenticated ) );
return $this->mEmailAuthenticated;
}
/**
* Set the user's e-mail address
* @param string $str New e-mail address
*/
public function setEmail( $str ) {
$this->load();
if ( $str == $this->mEmail ) {
return;
}
$this->mEmail = $str;
$this->invalidateEmail();
wfRunHooks( 'UserSetEmail', array( $this, &$this->mEmail ) );
}
/**
* Set the user's e-mail address and a confirmation mail if needed.
*
* @since 1.20
* @param string $str New e-mail address
* @return Status
*/
public function setEmailWithConfirmation( $str ) {
global $wgEnableEmail, $wgEmailAuthentication;
if ( !$wgEnableEmail ) {
return Status::newFatal( 'emaildisabled' );
}
$oldaddr = $this->getEmail();
if ( $str === $oldaddr ) {
return Status::newGood( true );
}
$this->setEmail( $str );
if ( $str !== '' && $wgEmailAuthentication ) {
// Send a confirmation request to the new address if needed
$type = $oldaddr != '' ? 'changed' : 'set';
$result = $this->sendConfirmationMail( $type );
if ( $result->isGood() ) {
// Say the the caller that a confirmation mail has been sent
$result->value = 'eauth';
}
} else {
$result = Status::newGood( true );
}
return $result;
}
/**
* Get the user's real name
* @return string User's real name
*/
public function getRealName() {
if ( !$this->isItemLoaded( 'realname' ) ) {
$this->load();
}
return $this->mRealName;
}
/**
* Set the user's real name
* @param string $str New real name
*/
public function setRealName( $str ) {
$this->load();
$this->mRealName = $str;
}
/**
* Get the user's current setting for a given option.
*
* @param string $oname The option to check
* @param string $defaultOverride A default value returned if the option does not exist
* @param bool $ignoreHidden Whether to ignore the effects of $wgHiddenPrefs
* @return string User's current value for the option
* @see getBoolOption()
* @see getIntOption()
*/
public function getOption( $oname, $defaultOverride = null, $ignoreHidden = false ) {
global $wgHiddenPrefs;
$this->loadOptions();
# We want 'disabled' preferences to always behave as the default value for
# users, even if they have set the option explicitly in their settings (ie they
# set it, and then it was disabled removing their ability to change it). But
# we don't want to erase the preferences in the database in case the preference
# is re-enabled again. So don't touch $mOptions, just override the returned value
if ( !$ignoreHidden && in_array( $oname, $wgHiddenPrefs ) ) {
return self::getDefaultOption( $oname );
}
if ( array_key_exists( $oname, $this->mOptions ) ) {
return $this->mOptions[$oname];
} else {
return $defaultOverride;
}
}
/**
* Get all user's options
*
* @return array
*/
public function getOptions() {
global $wgHiddenPrefs;
$this->loadOptions();
$options = $this->mOptions;
# We want 'disabled' preferences to always behave as the default value for
# users, even if they have set the option explicitly in their settings (ie they
# set it, and then it was disabled removing their ability to change it). But
# we don't want to erase the preferences in the database in case the preference
# is re-enabled again. So don't touch $mOptions, just override the returned value
foreach ( $wgHiddenPrefs as $pref ) {
$default = self::getDefaultOption( $pref );
if ( $default !== null ) {
$options[$pref] = $default;
}
}
return $options;
}
/**
* Get the user's current setting for a given option, as a boolean value.
*
* @param string $oname The option to check
* @return bool User's current value for the option
* @see getOption()
*/
public function getBoolOption( $oname ) {
return (bool)$this->getOption( $oname );
}
/**
* Get the user's current setting for a given option, as an integer value.
*
* @param string $oname The option to check
* @param int $defaultOverride A default value returned if the option does not exist
* @return int User's current value for the option
* @see getOption()
*/
public function getIntOption( $oname, $defaultOverride = 0 ) {
$val = $this->getOption( $oname );
if ( $val == '' ) {
$val = $defaultOverride;
}
return intval( $val );
}
/**
* Set the given option for a user.
*
* @param string $oname The option to set
* @param mixed $val New value to set
*/
public function setOption( $oname, $val ) {
$this->loadOptions();
// Explicitly NULL values should refer to defaults
if ( is_null( $val ) ) {
$val = self::getDefaultOption( $oname );
}
$this->mOptions[$oname] = $val;
}
/**
* Get a token stored in the preferences (like the watchlist one),
* resetting it if it's empty (and saving changes).
*
* @param string $oname The option name to retrieve the token from
* @return string|bool User's current value for the option, or false if this option is disabled.
* @see resetTokenFromOption()
* @see getOption()
*/
public function getTokenFromOption( $oname ) {
global $wgHiddenPrefs;
if ( in_array( $oname, $wgHiddenPrefs ) ) {
return false;
}
$token = $this->getOption( $oname );
if ( !$token ) {
$token = $this->resetTokenFromOption( $oname );
$this->saveSettings();
}
return $token;
}
/**
* Reset a token stored in the preferences (like the watchlist one).
* *Does not* save user's preferences (similarly to setOption()).
*
* @param string $oname The option name to reset the token in
* @return string|bool New token value, or false if this option is disabled.
* @see getTokenFromOption()
* @see setOption()
*/
public function resetTokenFromOption( $oname ) {
global $wgHiddenPrefs;
if ( in_array( $oname, $wgHiddenPrefs ) ) {
return false;
}
$token = MWCryptRand::generateHex( 40 );
$this->setOption( $oname, $token );
return $token;
}
/**
* Return a list of the types of user options currently returned by
* User::getOptionKinds().
*
* Currently, the option kinds are:
* - 'registered' - preferences which are registered in core MediaWiki or
* by extensions using the UserGetDefaultOptions hook.
* - 'registered-multiselect' - as above, using the 'multiselect' type.
* - 'registered-checkmatrix' - as above, using the 'checkmatrix' type.
* - 'userjs' - preferences with names starting with 'userjs-', intended to
* be used by user scripts.
* - 'unused' - preferences about which MediaWiki doesn't know anything.
* These are usually legacy options, removed in newer versions.
*
* The API (and possibly others) use this function to determine the possible
* option types for validation purposes, so make sure to update this when a
* new option kind is added.
*
* @see User::getOptionKinds
* @return array Option kinds
*/
public static function listOptionKinds() {
return array(
'registered',
'registered-multiselect',
'registered-checkmatrix',
'userjs',
'unused'
);
}
/**
* Return an associative array mapping preferences keys to the kind of a preference they're
* used for. Different kinds are handled differently when setting or reading preferences.
*
* See User::listOptionKinds for the list of valid option types that can be provided.
*
* @see User::listOptionKinds
* @param $context IContextSource
* @param array $options assoc. array with options keys to check as keys. Defaults to $this->mOptions.
* @return array the key => kind mapping data
*/
public function getOptionKinds( IContextSource $context, $options = null ) {
$this->loadOptions();
if ( $options === null ) {
$options = $this->mOptions;
}
$prefs = Preferences::getPreferences( $this, $context );
$mapping = array();
// Multiselect and checkmatrix options are stored in the database with
// one key per option, each having a boolean value. Extract those keys.
$multiselectOptions = array();
foreach ( $prefs as $name => $info ) {
if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
( isset( $info['class'] ) && $info['class'] == 'HTMLMultiSelectField' ) ) {
$opts = HTMLFormField::flattenOptions( $info['options'] );
$prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
foreach ( $opts as $value ) {
$multiselectOptions["$prefix$value"] = true;
}
unset( $prefs[$name] );
}
}
$checkmatrixOptions = array();
foreach ( $prefs as $name => $info ) {
if ( ( isset( $info['type'] ) && $info['type'] == 'checkmatrix' ) ||
( isset( $info['class'] ) && $info['class'] == 'HTMLCheckMatrix' ) ) {
$columns = HTMLFormField::flattenOptions( $info['columns'] );
$rows = HTMLFormField::flattenOptions( $info['rows'] );
$prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
foreach ( $columns as $column ) {
foreach ( $rows as $row ) {
$checkmatrixOptions["$prefix-$column-$row"] = true;
}
}
unset( $prefs[$name] );
}
}
// $value is ignored
foreach ( $options as $key => $value ) {
if ( isset( $prefs[$key] ) ) {
$mapping[$key] = 'registered';
} elseif ( isset( $multiselectOptions[$key] ) ) {
$mapping[$key] = 'registered-multiselect';
} elseif ( isset( $checkmatrixOptions[$key] ) ) {
$mapping[$key] = 'registered-checkmatrix';
} elseif ( substr( $key, 0, 7 ) === 'userjs-' ) {
$mapping[$key] = 'userjs';
} else {
$mapping[$key] = 'unused';
}
}
return $mapping;
}
/**
* Reset certain (or all) options to the site defaults
*
* The optional parameter determines which kinds of preferences will be reset.
* Supported values are everything that can be reported by getOptionKinds()
* and 'all', which forces a reset of *all* preferences and overrides everything else.
*
* @param array|string $resetKinds which kinds of preferences to reset. Defaults to
* array( 'registered', 'registered-multiselect', 'registered-checkmatrix', 'unused' )
* for backwards-compatibility.
* @param $context IContextSource|null context source used when $resetKinds
* does not contain 'all', passed to getOptionKinds().
* Defaults to RequestContext::getMain() when null.
*/
public function resetOptions(
$resetKinds = array( 'registered', 'registered-multiselect', 'registered-checkmatrix', 'unused' ),
IContextSource $context = null
) {
$this->load();
$defaultOptions = self::getDefaultOptions();
if ( !is_array( $resetKinds ) ) {
$resetKinds = array( $resetKinds );
}
if ( in_array( 'all', $resetKinds ) ) {
$newOptions = $defaultOptions;
} else {
if ( $context === null ) {
$context = RequestContext::getMain();
}
$optionKinds = $this->getOptionKinds( $context );
$resetKinds = array_intersect( $resetKinds, self::listOptionKinds() );
$newOptions = array();
// Use default values for the options that should be deleted, and
// copy old values for the ones that shouldn't.
foreach ( $this->mOptions as $key => $value ) {
if ( in_array( $optionKinds[$key], $resetKinds ) ) {
if ( array_key_exists( $key, $defaultOptions ) ) {
$newOptions[$key] = $defaultOptions[$key];
}
} else {
$newOptions[$key] = $value;
}
}
}
$this->mOptions = $newOptions;
$this->mOptionsLoaded = true;
}
/**
* Get the user's preferred date format.
* @return string User's preferred date format
*/
public function getDatePreference() {
// Important migration for old data rows
if ( is_null( $this->mDatePreference ) ) {
global $wgLang;
$value = $this->getOption( 'date' );
$map = $wgLang->getDatePreferenceMigrationMap();
if ( isset( $map[$value] ) ) {
$value = $map[$value];
}
$this->mDatePreference = $value;
}
return $this->mDatePreference;
}
/**
* Determine based on the wiki configuration and the user's options,
* whether this user must be over HTTPS no matter what.
*
* @return bool
*/
public function requiresHTTPS() {
global $wgSecureLogin;
if ( !$wgSecureLogin ) {
return false;
} else {
$https = $this->getBoolOption( 'prefershttps' );
wfRunHooks( 'UserRequiresHTTPS', array( $this, &$https ) );
if ( $https ) {
$https = wfCanIPUseHTTPS( $this->getRequest()->getIP() );
}
return $https;
}
}
/**
* Get the user preferred stub threshold
*
* @return int
*/
public function getStubThreshold() {
global $wgMaxArticleSize; # Maximum article size, in Kb
$threshold = $this->getIntOption( 'stubthreshold' );
if ( $threshold > $wgMaxArticleSize * 1024 ) {
// If they have set an impossible value, disable the preference
// so we can use the parser cache again.
$threshold = 0;
}
return $threshold;
}
/**
* Get the permissions this user has.
* @return Array of String permission names
*/
public function getRights() {
if ( is_null( $this->mRights ) ) {
$this->mRights = self::getGroupPermissions( $this->getEffectiveGroups() );
wfRunHooks( 'UserGetRights', array( $this, &$this->mRights ) );
// Force reindexation of rights when a hook has unset one of them
$this->mRights = array_values( array_unique( $this->mRights ) );
}
return $this->mRights;
}
/**
* Get the list of explicit group memberships this user has.
* The implicit * and user groups are not included.
* @return Array of String internal group names
*/
public function getGroups() {
$this->load();
$this->loadGroups();
return $this->mGroups;
}
/**
* Get the list of implicit group memberships this user has.
* This includes all explicit groups, plus 'user' if logged in,
* '*' for all accounts, and autopromoted groups
* @param bool $recache Whether to avoid the cache
* @return Array of String internal group names
*/
public function getEffectiveGroups( $recache = false ) {
if ( $recache || is_null( $this->mEffectiveGroups ) ) {
wfProfileIn( __METHOD__ );
$this->mEffectiveGroups = array_unique( array_merge(
$this->getGroups(), // explicit groups
$this->getAutomaticGroups( $recache ) // implicit groups
) );
// Hook for additional groups
wfRunHooks( 'UserEffectiveGroups', array( &$this, &$this->mEffectiveGroups ) );
// Force reindexation of groups when a hook has unset one of them
$this->mEffectiveGroups = array_values( array_unique( $this->mEffectiveGroups ) );
wfProfileOut( __METHOD__ );
}
return $this->mEffectiveGroups;
}
/**
* Get the list of implicit group memberships this user has.
* This includes 'user' if logged in, '*' for all accounts,
* and autopromoted groups
* @param bool $recache Whether to avoid the cache
* @return Array of String internal group names
*/
public function getAutomaticGroups( $recache = false ) {
if ( $recache || is_null( $this->mImplicitGroups ) ) {
wfProfileIn( __METHOD__ );
$this->mImplicitGroups = array( '*' );
if ( $this->getId() ) {
$this->mImplicitGroups[] = 'user';
$this->mImplicitGroups = array_unique( array_merge(
$this->mImplicitGroups,
Autopromote::getAutopromoteGroups( $this )
) );
}
if ( $recache ) {
// Assure data consistency with rights/groups,
// as getEffectiveGroups() depends on this function
$this->mEffectiveGroups = null;
}
wfProfileOut( __METHOD__ );
}
return $this->mImplicitGroups;
}
/**
* Returns the groups the user has belonged to.
*
* The user may still belong to the returned groups. Compare with getGroups().
*
* The function will not return groups the user had belonged to before MW 1.17
*
* @return array Names of the groups the user has belonged to.
*/
public function getFormerGroups() {
if ( is_null( $this->mFormerGroups ) ) {
$dbr = wfGetDB( DB_MASTER );
$res = $dbr->select( 'user_former_groups',
array( 'ufg_group' ),
array( 'ufg_user' => $this->mId ),
__METHOD__ );
$this->mFormerGroups = array();
foreach ( $res as $row ) {
$this->mFormerGroups[] = $row->ufg_group;
}
}
return $this->mFormerGroups;
}
/**
* Get the user's edit count.
* @return int, null for anonymous users
*/
public function getEditCount() {
if ( !$this->getId() ) {
return null;
}
if ( !isset( $this->mEditCount ) ) {
/* Populate the count, if it has not been populated yet */
wfProfileIn( __METHOD__ );
$dbr = wfGetDB( DB_SLAVE );
// check if the user_editcount field has been initialized
$count = $dbr->selectField(
'user', 'user_editcount',
array( 'user_id' => $this->mId ),
__METHOD__
);
if ( $count === null ) {
// it has not been initialized. do so.
$count = $this->initEditCount();
}
$this->mEditCount = $count;
wfProfileOut( __METHOD__ );
}
return (int)$this->mEditCount;
}
/**
* Add the user to the given group.
* This takes immediate effect.
* @param string $group Name of the group to add
*/
public function addGroup( $group ) {
if ( wfRunHooks( 'UserAddGroup', array( $this, &$group ) ) ) {
$dbw = wfGetDB( DB_MASTER );
if ( $this->getId() ) {
$dbw->insert( 'user_groups',
array(
'ug_user' => $this->getID(),
'ug_group' => $group,
),
__METHOD__,
array( 'IGNORE' ) );
}
}
$this->loadGroups();
$this->mGroups[] = $group;
// In case loadGroups was not called before, we now have the right twice.
// Get rid of the duplicate.
$this->mGroups = array_unique( $this->mGroups );
// Refresh the groups caches, and clear the rights cache so it will be
// refreshed on the next call to $this->getRights().
$this->getEffectiveGroups( true );
$this->mRights = null;
$this->invalidateCache();
}
/**
* Remove the user from the given group.
* This takes immediate effect.
* @param string $group Name of the group to remove
*/
public function removeGroup( $group ) {
$this->load();
if ( wfRunHooks( 'UserRemoveGroup', array( $this, &$group ) ) ) {
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'user_groups',
array(
'ug_user' => $this->getID(),
'ug_group' => $group,
), __METHOD__ );
// Remember that the user was in this group
$dbw->insert( 'user_former_groups',
array(
'ufg_user' => $this->getID(),
'ufg_group' => $group,
),
__METHOD__,
array( 'IGNORE' ) );
}
$this->loadGroups();
$this->mGroups = array_diff( $this->mGroups, array( $group ) );
// Refresh the groups caches, and clear the rights cache so it will be
// refreshed on the next call to $this->getRights().
$this->getEffectiveGroups( true );
$this->mRights = null;
$this->invalidateCache();
}
/**
* Get whether the user is logged in
* @return bool
*/
public function isLoggedIn() {
return $this->getID() != 0;
}
/**
* Get whether the user is anonymous
* @return bool
*/
public function isAnon() {
return !$this->isLoggedIn();
}
/**
* Check if user is allowed to access a feature / make an action
*
* @internal param \String $varargs permissions to test
* @return boolean: True if user is allowed to perform *any* of the given actions
*
* @return bool
*/
public function isAllowedAny( /*...*/ ) {
$permissions = func_get_args();
foreach ( $permissions as $permission ) {
if ( $this->isAllowed( $permission ) ) {
return true;
}
}
return false;
}
/**
*
* @internal param $varargs string
* @return bool True if the user is allowed to perform *all* of the given actions
*/
public function isAllowedAll( /*...*/ ) {
$permissions = func_get_args();
foreach ( $permissions as $permission ) {
if ( !$this->isAllowed( $permission ) ) {
return false;
}
}
return true;
}
/**
* Internal mechanics of testing a permission
* @param string $action
* @return bool
*/
public function isAllowed( $action = '' ) {
if ( $action === '' ) {
return true; // In the spirit of DWIM
}
// Patrolling may not be enabled
if ( $action === 'patrol' || $action === 'autopatrol' ) {
global $wgUseRCPatrol, $wgUseNPPatrol;
if ( !$wgUseRCPatrol && !$wgUseNPPatrol ) {
return false;
}
}
// Use strict parameter to avoid matching numeric 0 accidentally inserted
// by misconfiguration: 0 == 'foo'
return in_array( $action, $this->getRights(), true );
}
/**
* Check whether to enable recent changes patrol features for this user
* @return boolean: True or false
*/
public function useRCPatrol() {
global $wgUseRCPatrol;
return $wgUseRCPatrol && $this->isAllowedAny( 'patrol', 'patrolmarks' );
}
/**
* Check whether to enable new pages patrol features for this user
* @return bool True or false
*/
public function useNPPatrol() {
global $wgUseRCPatrol, $wgUseNPPatrol;
return (
( $wgUseRCPatrol || $wgUseNPPatrol )
&& ( $this->isAllowedAny( 'patrol', 'patrolmarks' ) )
);
}
/**
* Get the WebRequest object to use with this object
*
* @return WebRequest
*/
public function getRequest() {
if ( $this->mRequest ) {
return $this->mRequest;
} else {
global $wgRequest;
return $wgRequest;
}
}
/**
* Get the current skin, loading it if required
* @return Skin The current skin
* @todo FIXME: Need to check the old failback system [AV]
* @deprecated since 1.18 Use ->getSkin() in the most relevant outputting context you have
*/
public function getSkin() {
wfDeprecated( __METHOD__, '1.18' );
return RequestContext::getMain()->getSkin();
}
/**
* Get a WatchedItem for this user and $title.
*
* @since 1.22 $checkRights parameter added
* @param $title Title
* @param $checkRights int Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
* Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
* @return WatchedItem
*/
public function getWatchedItem( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
$key = $checkRights . ':' . $title->getNamespace() . ':' . $title->getDBkey();
if ( isset( $this->mWatchedItems[$key] ) ) {
return $this->mWatchedItems[$key];
}
if ( count( $this->mWatchedItems ) >= self::MAX_WATCHED_ITEMS_CACHE ) {
$this->mWatchedItems = array();
}
$this->mWatchedItems[$key] = WatchedItem::fromUserTitle( $this, $title, $checkRights );
return $this->mWatchedItems[$key];
}
/**
* Check the watched status of an article.
* @since 1.22 $checkRights parameter added
* @param $title Title of the article to look at
* @param $checkRights int Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
* Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
* @return bool
*/
public function isWatched( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
return $this->getWatchedItem( $title, $checkRights )->isWatched();
}
/**
* Watch an article.
* @since 1.22 $checkRights parameter added
* @param $title Title of the article to look at
* @param $checkRights int Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
* Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
*/
public function addWatch( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
$this->getWatchedItem( $title, $checkRights )->addWatch();
$this->invalidateCache();
}
/**
* Stop watching an article.
* @since 1.22 $checkRights parameter added
* @param $title Title of the article to look at
* @param $checkRights int Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
* Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
*/
public function removeWatch( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
$this->getWatchedItem( $title, $checkRights )->removeWatch();
$this->invalidateCache();
}
/**
* Clear the user's notification timestamp for the given title.
* If e-notif e-mails are on, they will receive notification mails on
* the next change of the page if it's watched etc.
* @note If the user doesn't have 'editmywatchlist', this will do nothing.
* @param $title Title of the article to look at
*/
public function clearNotification( &$title ) {
global $wgUseEnotif, $wgShowUpdatedMarker;
// Do nothing if the database is locked to writes
if ( wfReadOnly() ) {
return;
}
// Do nothing if not allowed to edit the watchlist
if ( !$this->isAllowed( 'editmywatchlist' ) ) {
return;
}
if ( $title->getNamespace() == NS_USER_TALK &&
$title->getText() == $this->getName() ) {
if ( !wfRunHooks( 'UserClearNewTalkNotification', array( &$this ) ) ) {
return;
}
$this->setNewtalk( false );
}
if ( !$wgUseEnotif && !$wgShowUpdatedMarker ) {
return;
}
if ( $this->isAnon() ) {
// Nothing else to do...
return;
}
// Only update the timestamp if the page is being watched.
// The query to find out if it is watched is cached both in memcached and per-invocation,
// and when it does have to be executed, it can be on a slave
// If this is the user's newtalk page, we always update the timestamp
$force = '';
if ( $title->getNamespace() == NS_USER_TALK &&
$title->getText() == $this->getName() )
{
$force = 'force';
}
$this->getWatchedItem( $title )->resetNotificationTimestamp( $force );
}
/**
* Resets all of the given user's page-change notification timestamps.
* If e-notif e-mails are on, they will receive notification mails on
* the next change of any watched page.
* @note If the user doesn't have 'editmywatchlist', this will do nothing.
*/
public function clearAllNotifications() {
if ( wfReadOnly() ) {
return;
}
// Do nothing if not allowed to edit the watchlist
if ( !$this->isAllowed( 'editmywatchlist' ) ) {
return;
}
global $wgUseEnotif, $wgShowUpdatedMarker;
if ( !$wgUseEnotif && !$wgShowUpdatedMarker ) {
$this->setNewtalk( false );
return;
}
$id = $this->getId();
if ( $id != 0 ) {
$dbw = wfGetDB( DB_MASTER );
$dbw->update( 'watchlist',
array( /* SET */
'wl_notificationtimestamp' => null
), array( /* WHERE */
'wl_user' => $id
), __METHOD__
);
# We also need to clear here the "you have new message" notification for the own user_talk page
# This is cleared one page view later in Article::viewUpdates();
}
}
/**
* Set this user's options from an encoded string
* @param string $str Encoded options to import
*
* @deprecated in 1.19 due to removal of user_options from the user table
*/
private function decodeOptions( $str ) {
wfDeprecated( __METHOD__, '1.19' );
if ( !$str ) {
return;
}
$this->mOptionsLoaded = true;
$this->mOptionOverrides = array();
// If an option is not set in $str, use the default value
$this->mOptions = self::getDefaultOptions();
$a = explode( "\n", $str );
foreach ( $a as $s ) {
$m = array();
if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
$this->mOptions[$m[1]] = $m[2];
$this->mOptionOverrides[$m[1]] = $m[2];
}
}
}
/**
* Set a cookie on the user's client. Wrapper for
* WebResponse::setCookie
* @param string $name Name of the cookie to set
* @param string $value Value to set
* @param int $exp Expiration time, as a UNIX time value;
* if 0 or not specified, use the default $wgCookieExpiration
* @param bool $secure
* true: Force setting the secure attribute when setting the cookie
* false: Force NOT setting the secure attribute when setting the cookie
* null (default): Use the default ($wgCookieSecure) to set the secure attribute
* @param array $params Array of options sent passed to WebResponse::setcookie()
*/
protected function setCookie( $name, $value, $exp = 0, $secure = null, $params = array() ) {
$params['secure'] = $secure;
$this->getRequest()->response()->setcookie( $name, $value, $exp, $params );
}
/**
* Clear a cookie on the user's client
* @param string $name Name of the cookie to clear
* @param bool $secure
* true: Force setting the secure attribute when setting the cookie
* false: Force NOT setting the secure attribute when setting the cookie
* null (default): Use the default ($wgCookieSecure) to set the secure attribute
* @param array $params Array of options sent passed to WebResponse::setcookie()
*/
protected function clearCookie( $name, $secure = null, $params = array() ) {
$this->setCookie( $name, '', time() - 86400, $secure, $params );
}
/**
* Set the default cookies for this session on the user's client.
*
* @param $request WebRequest object to use; $wgRequest will be used if null
* is passed.
* @param bool $secure Whether to force secure/insecure cookies or use default
*/
public function setCookies( $request = null, $secure = null ) {
if ( $request === null ) {
$request = $this->getRequest();
}
$this->load();
if ( 0 == $this->mId ) {
return;
}
if ( !$this->mToken ) {
// When token is empty or NULL generate a new one and then save it to the database
// This allows a wiki to re-secure itself after a leak of it's user table or $wgSecretKey
// Simply by setting every cell in the user_token column to NULL and letting them be
// regenerated as users log back into the wiki.
$this->setToken();
$this->saveSettings();
}
$session = array(
'wsUserID' => $this->mId,
'wsToken' => $this->mToken,
'wsUserName' => $this->getName()
);
$cookies = array(
'UserID' => $this->mId,
'UserName' => $this->getName(),
);
if ( 1 == $this->getOption( 'rememberpassword' ) ) {
$cookies['Token'] = $this->mToken;
} else {
$cookies['Token'] = false;
}
wfRunHooks( 'UserSetCookies', array( $this, &$session, &$cookies ) );
foreach ( $session as $name => $value ) {
$request->setSessionData( $name, $value );
}
foreach ( $cookies as $name => $value ) {
if ( $value === false ) {
$this->clearCookie( $name );
} else {
$this->setCookie( $name, $value, 0, $secure );
}
}
/**
* If wpStickHTTPS was selected, also set an insecure cookie that
* will cause the site to redirect the user to HTTPS, if they access
* it over HTTP. Bug 29898. Use an un-prefixed cookie, so it's the same
* as the one set by centralauth (bug 53538). Also set it to session, or
* standard time setting, based on if rememberme was set.
*/
if ( $request->getCheck( 'wpStickHTTPS' ) || $this->requiresHTTPS() ) {
$time = null;
if ( ( 1 == $this->getOption( 'rememberpassword' ) ) ) {
$time = 0; // set to $wgCookieExpiration
}
$this->setCookie(
'forceHTTPS',
'true',
$time,
false,
array( 'prefix' => '' ) // no prefix
);
}
}
/**
* Log this user out.
*/
public function logout() {
if ( wfRunHooks( 'UserLogout', array( &$this ) ) ) {
$this->doLogout();
}
}
/**
* Clear the user's cookies and session, and reset the instance cache.
* @see logout()
*/
public function doLogout() {
$this->clearInstanceCache( 'defaults' );
$this->getRequest()->setSessionData( 'wsUserID', 0 );
$this->clearCookie( 'UserID' );
$this->clearCookie( 'Token' );
$this->clearCookie( 'forceHTTPS', false, array( 'prefix' => '' ) );
// Remember when user logged out, to prevent seeing cached pages
$this->setCookie( 'LoggedOut', time(), time() + 86400 );
}
/**
* Save this user's settings into the database.
* @todo Only rarely do all these fields need to be set!
*/
public function saveSettings() {
global $wgAuth;
$this->load();
if ( wfReadOnly() ) {
return;
}
if ( 0 == $this->mId ) {
return;
}
$this->mTouched = self::newTouchedTimestamp();
if ( !$wgAuth->allowSetLocalPassword() ) {
$this->mPassword = '';
}
$dbw = wfGetDB( DB_MASTER );
$dbw->update( 'user',
array( /* SET */
'user_name' => $this->mName,
'user_password' => $this->mPassword,
'user_newpassword' => $this->mNewpassword,
'user_newpass_time' => $dbw->timestampOrNull( $this->mNewpassTime ),
'user_real_name' => $this->mRealName,
'user_email' => $this->mEmail,
'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
'user_touched' => $dbw->timestamp( $this->mTouched ),
'user_token' => strval( $this->mToken ),
'user_email_token' => $this->mEmailToken,
'user_email_token_expires' => $dbw->timestampOrNull( $this->mEmailTokenExpires ),
), array( /* WHERE */
'user_id' => $this->mId
), __METHOD__
);
$this->saveOptions();
wfRunHooks( 'UserSaveSettings', array( $this ) );
$this->clearSharedCache();
$this->getUserPage()->invalidateCache();
}
/**
* If only this user's username is known, and it exists, return the user ID.
* @return int
*/
public function idForName() {
$s = trim( $this->getName() );
if ( $s === '' ) {
return 0;
}
$dbr = wfGetDB( DB_SLAVE );
$id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), __METHOD__ );
if ( $id === false ) {
$id = 0;
}
return $id;
}
/**
* Add a user to the database, return the user object
*
* @param string $name Username to add
* @param array $params of Strings Non-default parameters to save to the database as user_* fields:
* - password The user's password hash. Password logins will be disabled if this is omitted.
* - newpassword Hash for a temporary password that has been mailed to the user
* - email The user's email address
* - email_authenticated The email authentication timestamp
* - real_name The user's real name
* - options An associative array of non-default options
* - token Random authentication token. Do not set.
* - registration Registration timestamp. Do not set.
*
* @return User object, or null if the username already exists
*/
public static function createNew( $name, $params = array() ) {
$user = new User;
$user->load();
$user->setToken(); // init token
if ( isset( $params['options'] ) ) {
$user->mOptions = $params['options'] + (array)$user->mOptions;
unset( $params['options'] );
}
$dbw = wfGetDB( DB_MASTER );
$seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
$fields = array(
'user_id' => $seqVal,
'user_name' => $name,
'user_password' => $user->mPassword,
'user_newpassword' => $user->mNewpassword,
'user_newpass_time' => $dbw->timestampOrNull( $user->mNewpassTime ),
'user_email' => $user->mEmail,
'user_email_authenticated' => $dbw->timestampOrNull( $user->mEmailAuthenticated ),
'user_real_name' => $user->mRealName,
'user_token' => strval( $user->mToken ),
'user_registration' => $dbw->timestamp( $user->mRegistration ),
'user_editcount' => 0,
'user_touched' => $dbw->timestamp( self::newTouchedTimestamp() ),
);
foreach ( $params as $name => $value ) {
$fields["user_$name"] = $value;
}
$dbw->insert( 'user', $fields, __METHOD__, array( 'IGNORE' ) );
if ( $dbw->affectedRows() ) {
$newUser = User::newFromId( $dbw->insertId() );
} else {
$newUser = null;
}
return $newUser;
}
/**
* Add this existing user object to the database. If the user already
* exists, a fatal status object is returned, and the user object is
* initialised with the data from the database.
*
* Previously, this function generated a DB error due to a key conflict
* if the user already existed. Many extension callers use this function
* in code along the lines of:
*
* $user = User::newFromName( $name );
* if ( !$user->isLoggedIn() ) {
* $user->addToDatabase();
* }
* // do something with $user...
*
* However, this was vulnerable to a race condition (bug 16020). By
* initialising the user object if the user exists, we aim to support this
* calling sequence as far as possible.
*
* Note that if the user exists, this function will acquire a write lock,
* so it is still advisable to make the call conditional on isLoggedIn(),
* and to commit the transaction after calling.
*
* @throws MWException
* @return Status
*/
public function addToDatabase() {
$this->load();
if ( !$this->mToken ) {
$this->setToken(); // init token
}
$this->mTouched = self::newTouchedTimestamp();
$dbw = wfGetDB( DB_MASTER );
$inWrite = $dbw->writesOrCallbacksPending();
$seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
$dbw->insert( 'user',
array(
'user_id' => $seqVal,
'user_name' => $this->mName,
'user_password' => $this->mPassword,
'user_newpassword' => $this->mNewpassword,
'user_newpass_time' => $dbw->timestampOrNull( $this->mNewpassTime ),
'user_email' => $this->mEmail,
'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
'user_real_name' => $this->mRealName,
'user_token' => strval( $this->mToken ),
'user_registration' => $dbw->timestamp( $this->mRegistration ),
'user_editcount' => 0,
'user_touched' => $dbw->timestamp( $this->mTouched ),
), __METHOD__,
array( 'IGNORE' )
);
if ( !$dbw->affectedRows() ) {
if ( !$inWrite ) {
// XXX: Get out of REPEATABLE-READ so the SELECT below works.
// Often this case happens early in views before any writes.
// This shows up at least with CentralAuth.
$dbw->commit( __METHOD__, 'flush' );
}
$this->mId = $dbw->selectField( 'user', 'user_id',
array( 'user_name' => $this->mName ), __METHOD__ );
$loaded = false;
if ( $this->mId ) {
if ( $this->loadFromDatabase() ) {
$loaded = true;
}
}
if ( !$loaded ) {
throw new MWException( __METHOD__ . ": hit a key conflict attempting " .
"to insert user '{$this->mName}' row, but it was not present in select!" );
}
return Status::newFatal( 'userexists' );
}
$this->mId = $dbw->insertId();
// Clear instance cache other than user table data, which is already accurate
$this->clearInstanceCache();
$this->saveOptions();
return Status::newGood();
}
/**
* If this user is logged-in and blocked,
* block any IP address they've successfully logged in from.
* @return bool A block was spread
*/
public function spreadAnyEditBlock() {
if ( $this->isLoggedIn() && $this->isBlocked() ) {
return $this->spreadBlock();
}
return false;
}
/**
* If this (non-anonymous) user is blocked,
* block the IP address they've successfully logged in from.
* @return bool A block was spread
*/
protected function spreadBlock() {
wfDebug( __METHOD__ . "()\n" );
$this->load();
if ( $this->mId == 0 ) {
return false;
}
$userblock = Block::newFromTarget( $this->getName() );
if ( !$userblock ) {
return false;
}
return (bool)$userblock->doAutoblock( $this->getRequest()->getIP() );
}
/**
* Generate a string which will be different for any combination of
* user options which would produce different parser output.
* This will be used as part of the hash key for the parser cache,
* so users with the same options can share the same cached data
* safely.
*
* Extensions which require it should install 'PageRenderingHash' hook,
* which will give them a chance to modify this key based on their own
* settings.
*
* @deprecated since 1.17 use the ParserOptions object to get the relevant options
* @return string Page rendering hash
*/
public function getPageRenderingHash() {
wfDeprecated( __METHOD__, '1.17' );
global $wgRenderHashAppend, $wgLang, $wgContLang;
if ( $this->mHash ) {
return $this->mHash;
}
// stubthreshold is only included below for completeness,
// since it disables the parser cache, its value will always
// be 0 when this function is called by parsercache.
$confstr = $this->getOption( 'math' );
$confstr .= '!' . $this->getStubThreshold();
$confstr .= '!' . ( $this->getOption( 'numberheadings' ) ? '1' : '' );
$confstr .= '!' . $wgLang->getCode();
$confstr .= '!' . $this->getOption( 'thumbsize' );
// add in language specific options, if any
$extra = $wgContLang->getExtraHashOptions();
$confstr .= $extra;
// Since the skin could be overloading link(), it should be
// included here but in practice, none of our skins do that.
$confstr .= $wgRenderHashAppend;
// Give a chance for extensions to modify the hash, if they have
// extra options or other effects on the parser cache.
wfRunHooks( 'PageRenderingHash', array( &$confstr ) );
// Make it a valid memcached key fragment
$confstr = str_replace( ' ', '_', $confstr );
$this->mHash = $confstr;
return $confstr;
}
/**
* Get whether the user is explicitly blocked from account creation.
* @return bool|Block
*/
public function isBlockedFromCreateAccount() {
$this->getBlockedStatus();
if ( $this->mBlock && $this->mBlock->prevents( 'createaccount' ) ) {
return $this->mBlock;
}
# bug 13611: if the IP address the user is trying to create an account from is
# blocked with createaccount disabled, prevent new account creation there even
# when the user is logged in
if ( $this->mBlockedFromCreateAccount === false && !$this->isAllowed( 'ipblock-exempt' ) ) {
$this->mBlockedFromCreateAccount = Block::newFromTarget( null, $this->getRequest()->getIP() );
}
return $this->mBlockedFromCreateAccount instanceof Block && $this->mBlockedFromCreateAccount->prevents( 'createaccount' )
? $this->mBlockedFromCreateAccount
: false;
}
/**
* Get whether the user is blocked from using Special:Emailuser.
* @return bool
*/
public function isBlockedFromEmailuser() {
$this->getBlockedStatus();
return $this->mBlock && $this->mBlock->prevents( 'sendemail' );
}
/**
* Get whether the user is allowed to create an account.
* @return bool
*/
function isAllowedToCreateAccount() {
return $this->isAllowed( 'createaccount' ) && !$this->isBlockedFromCreateAccount();
}
/**
* Get this user's personal page title.
*
* @return Title: User's personal page title
*/
public function getUserPage() {
return Title::makeTitle( NS_USER, $this->getName() );
}
/**
* Get this user's talk page title.
*
* @return Title: User's talk page title
*/
public function getTalkPage() {
$title = $this->getUserPage();
return $title->getTalkPage();
}
/**
* Determine whether the user is a newbie. Newbies are either
* anonymous IPs, or the most recently created accounts.
* @return bool
*/
public function isNewbie() {
return !$this->isAllowed( 'autoconfirmed' );
}
/**
* Check to see if the given clear-text password is one of the accepted passwords
* @param string $password user password.
* @return boolean: True if the given password is correct, otherwise False.
*/
public function checkPassword( $password ) {
global $wgAuth, $wgLegacyEncoding;
$this->load();
// Even though we stop people from creating passwords that
// are shorter than this, doesn't mean people wont be able
// to. Certain authentication plugins do NOT want to save
// domain passwords in a mysql database, so we should
// check this (in case $wgAuth->strict() is false).
if ( !$this->isValidPassword( $password ) ) {
return false;
}
if ( $wgAuth->authenticate( $this->getName(), $password ) ) {
return true;
} elseif ( $wgAuth->strict() ) {
// Auth plugin doesn't allow local authentication
return false;
} elseif ( $wgAuth->strictUserAuth( $this->getName() ) ) {
// Auth plugin doesn't allow local authentication for this user name
return false;
}
if ( self::comparePasswords( $this->mPassword, $password, $this->mId ) ) {
return true;
} elseif ( $wgLegacyEncoding ) {
// Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
// Check for this with iconv
$cp1252Password = iconv( 'UTF-8', 'WINDOWS-1252//TRANSLIT', $password );
if ( $cp1252Password != $password &&
self::comparePasswords( $this->mPassword, $cp1252Password, $this->mId ) )
{
return true;
}
}
return false;
}
/**
* Check if the given clear-text password matches the temporary password
* sent by e-mail for password reset operations.
*
* @param $plaintext string
*
* @return boolean: True if matches, false otherwise
*/
public function checkTemporaryPassword( $plaintext ) {
global $wgNewPasswordExpiry;
$this->load();
if ( self::comparePasswords( $this->mNewpassword, $plaintext, $this->getId() ) ) {
if ( is_null( $this->mNewpassTime ) ) {
return true;
}
$expiry = wfTimestamp( TS_UNIX, $this->mNewpassTime ) + $wgNewPasswordExpiry;
return ( time() < $expiry );
} else {
return false;
}
}
/**
* Alias for getEditToken.
* @deprecated since 1.19, use getEditToken instead.
*
* @param string|array $salt of Strings Optional function-specific data for hashing
* @param $request WebRequest object to use or null to use $wgRequest
* @return string The new edit token
*/
public function editToken( $salt = '', $request = null ) {
wfDeprecated( __METHOD__, '1.19' );
return $this->getEditToken( $salt, $request );
}
/**
* Initialize (if necessary) and return a session token value
* which can be used in edit forms to show that the user's
* login credentials aren't being hijacked with a foreign form
* submission.
*
* @since 1.19
*
* @param string|array $salt of Strings Optional function-specific data for hashing
* @param $request WebRequest object to use or null to use $wgRequest
* @return string The new edit token
*/
public function getEditToken( $salt = '', $request = null ) {
if ( $request == null ) {
$request = $this->getRequest();
}
if ( $this->isAnon() ) {
return EDIT_TOKEN_SUFFIX;
} else {
$token = $request->getSessionData( 'wsEditToken' );
if ( $token === null ) {
$token = MWCryptRand::generateHex( 32 );
$request->setSessionData( 'wsEditToken', $token );
}
if ( is_array( $salt ) ) {
$salt = implode( '|', $salt );
}
return md5( $token . $salt ) . EDIT_TOKEN_SUFFIX;
}
}
/**
* Generate a looking random token for various uses.
*
* @return string The new random token
* @deprecated since 1.20: Use MWCryptRand for secure purposes or wfRandomString for pseudo-randomness
*/
public static function generateToken() {
return MWCryptRand::generateHex( 32 );
}
/**
* Check given value against the token value stored in the session.
* A match should confirm that the form was submitted from the
* user's own login session, not a form submission from a third-party
* site.
*
* @param string $val Input value to compare
* @param string $salt Optional function-specific data for hashing
* @param WebRequest $request Object to use or null to use $wgRequest
* @return boolean: Whether the token matches
*/
public function matchEditToken( $val, $salt = '', $request = null ) {
$sessionToken = $this->getEditToken( $salt, $request );
if ( $val != $sessionToken ) {
wfDebug( "User::matchEditToken: broken session data\n" );
}
return $val == $sessionToken;
}
/**
* Check given value against the token value stored in the session,
* ignoring the suffix.
*
* @param string $val Input value to compare
* @param string $salt Optional function-specific data for hashing
* @param WebRequest $request object to use or null to use $wgRequest
* @return boolean: Whether the token matches
*/
public function matchEditTokenNoSuffix( $val, $salt = '', $request = null ) {
$sessionToken = $this->getEditToken( $salt, $request );
return substr( $sessionToken, 0, 32 ) == substr( $val, 0, 32 );
}
/**
* Generate a new e-mail confirmation token and send a confirmation/invalidation
* mail to the user's given address.
*
* @param string $type message to send, either "created", "changed" or "set"
* @return Status object
*/
public function sendConfirmationMail( $type = 'created' ) {
global $wgLang;
$expiration = null; // gets passed-by-ref and defined in next line.
$token = $this->confirmationToken( $expiration );
$url = $this->confirmationTokenUrl( $token );
$invalidateURL = $this->invalidationTokenUrl( $token );
$this->saveSettings();
if ( $type == 'created' || $type === false ) {
$message = 'confirmemail_body';
} elseif ( $type === true ) {
$message = 'confirmemail_body_changed';
} else {
// Messages: confirmemail_body_changed, confirmemail_body_set
$message = 'confirmemail_body_' . $type;
}
return $this->sendMail( wfMessage( 'confirmemail_subject' )->text(),
wfMessage( $message,
$this->getRequest()->getIP(),
$this->getName(),
$url,
$wgLang->timeanddate( $expiration, false ),
$invalidateURL,
$wgLang->date( $expiration, false ),
$wgLang->time( $expiration, false ) )->text() );
}
/**
* Send an e-mail to this user's account. Does not check for
* confirmed status or validity.
*
* @param string $subject Message subject
* @param string $body Message body
* @param string $from Optional From address; if unspecified, default $wgPasswordSender will be used
* @param string $replyto Reply-To address
* @return Status
*/
public function sendMail( $subject, $body, $from = null, $replyto = null ) {
if ( is_null( $from ) ) {
global $wgPasswordSender, $wgPasswordSenderName;
$sender = new MailAddress( $wgPasswordSender, $wgPasswordSenderName );
} else {
$sender = new MailAddress( $from );
}
$to = new MailAddress( $this );
return UserMailer::send( $to, $sender, $subject, $body, $replyto );
}
/**
* Generate, store, and return a new e-mail confirmation code.
* A hash (unsalted, since it's used as a key) is stored.
*
* @note Call saveSettings() after calling this function to commit
* this change to the database.
*
* @param &$expiration \mixed Accepts the expiration time
* @return string New token
*/
protected function confirmationToken( &$expiration ) {
global $wgUserEmailConfirmationTokenExpiry;
$now = time();
$expires = $now + $wgUserEmailConfirmationTokenExpiry;
$expiration = wfTimestamp( TS_MW, $expires );
$this->load();
$token = MWCryptRand::generateHex( 32 );
$hash = md5( $token );
$this->mEmailToken = $hash;
$this->mEmailTokenExpires = $expiration;
return $token;
}
/**
* Return a URL the user can use to confirm their email address.
* @param string $token Accepts the email confirmation token
* @return string New token URL
*/
protected function confirmationTokenUrl( $token ) {
return $this->getTokenUrl( 'ConfirmEmail', $token );
}
/**
* Return a URL the user can use to invalidate their email address.
* @param string $token Accepts the email confirmation token
* @return string New token URL
*/
protected function invalidationTokenUrl( $token ) {
return $this->getTokenUrl( 'InvalidateEmail', $token );
}
/**
* Internal function to format the e-mail validation/invalidation URLs.
* This uses a quickie hack to use the
* hardcoded English names of the Special: pages, for ASCII safety.
*
* @note Since these URLs get dropped directly into emails, using the
* short English names avoids insanely long URL-encoded links, which
* also sometimes can get corrupted in some browsers/mailers
* (bug 6957 with Gmail and Internet Explorer).
*
* @param string $page Special page
* @param string $token Token
* @return string Formatted URL
*/
protected function getTokenUrl( $page, $token ) {
// Hack to bypass localization of 'Special:'
$title = Title::makeTitle( NS_MAIN, "Special:$page/$token" );
return $title->getCanonicalURL();
}
/**
* Mark the e-mail address confirmed.
*
* @note Call saveSettings() after calling this function to commit the change.
*
* @return bool
*/
public function confirmEmail() {
// Check if it's already confirmed, so we don't touch the database
// and fire the ConfirmEmailComplete hook on redundant confirmations.
if ( !$this->isEmailConfirmed() ) {
$this->setEmailAuthenticationTimestamp( wfTimestampNow() );
wfRunHooks( 'ConfirmEmailComplete', array( $this ) );
}
return true;
}
/**
* Invalidate the user's e-mail confirmation, and unauthenticate the e-mail
* address if it was already confirmed.
*
* @note Call saveSettings() after calling this function to commit the change.
* @return bool Returns true
*/
function invalidateEmail() {
$this->load();
$this->mEmailToken = null;
$this->mEmailTokenExpires = null;
$this->setEmailAuthenticationTimestamp( null );
wfRunHooks( 'InvalidateEmailComplete', array( $this ) );
return true;
}
/**
* Set the e-mail authentication timestamp.
* @param string $timestamp TS_MW timestamp
*/
function setEmailAuthenticationTimestamp( $timestamp ) {
$this->load();
$this->mEmailAuthenticated = $timestamp;
wfRunHooks( 'UserSetEmailAuthenticationTimestamp', array( $this, &$this->mEmailAuthenticated ) );
}
/**
* Is this user allowed to send e-mails within limits of current
* site configuration?
* @return bool
*/
public function canSendEmail() {
global $wgEnableEmail, $wgEnableUserEmail;
if ( !$wgEnableEmail || !$wgEnableUserEmail || !$this->isAllowed( 'sendemail' ) ) {
return false;
}
$canSend = $this->isEmailConfirmed();
wfRunHooks( 'UserCanSendEmail', array( &$this, &$canSend ) );
return $canSend;
}
/**
* Is this user allowed to receive e-mails within limits of current
* site configuration?
* @return bool
*/
public function canReceiveEmail() {
return $this->isEmailConfirmed() && !$this->getOption( 'disablemail' );
}
/**
* Is this user's e-mail address valid-looking and confirmed within
* limits of the current site configuration?
*
* @note If $wgEmailAuthentication is on, this may require the user to have
* confirmed their address by returning a code or using a password
* sent to the address from the wiki.
*
* @return bool
*/
public function isEmailConfirmed() {
global $wgEmailAuthentication;
$this->load();
$confirmed = true;
if ( wfRunHooks( 'EmailConfirmed', array( &$this, &$confirmed ) ) ) {
if ( $this->isAnon() ) {
return false;
}
if ( !Sanitizer::validateEmail( $this->mEmail ) ) {
return false;
}
if ( $wgEmailAuthentication && !$this->getEmailAuthenticationTimestamp() ) {
return false;
}
return true;
} else {
return $confirmed;
}
}
/**
* Check whether there is an outstanding request for e-mail confirmation.
* @return bool
*/
public function isEmailConfirmationPending() {
global $wgEmailAuthentication;
return $wgEmailAuthentication &&
!$this->isEmailConfirmed() &&
$this->mEmailToken &&
$this->mEmailTokenExpires > wfTimestamp();
}
/**
* Get the timestamp of account creation.
*
* @return string|bool|null Timestamp of account creation, false for
* non-existent/anonymous user accounts, or null if existing account
* but information is not in database.
*/
public function getRegistration() {
if ( $this->isAnon() ) {
return false;
}
$this->load();
return $this->mRegistration;
}
/**
* Get the timestamp of the first edit
*
* @return string|bool Timestamp of first edit, or false for
* non-existent/anonymous user accounts.
*/
public function getFirstEditTimestamp() {
if ( $this->getId() == 0 ) {
return false; // anons
}
$dbr = wfGetDB( DB_SLAVE );
$time = $dbr->selectField( 'revision', 'rev_timestamp',
array( 'rev_user' => $this->getId() ),
__METHOD__,
array( 'ORDER BY' => 'rev_timestamp ASC' )
);
if ( !$time ) {
return false; // no edits
}
return wfTimestamp( TS_MW, $time );
}
/**
* Get the permissions associated with a given list of groups
*
* @param array $groups of Strings List of internal group names
* @return Array of Strings List of permission key names for given groups combined
*/
public static function getGroupPermissions( $groups ) {
global $wgGroupPermissions, $wgRevokePermissions;
$rights = array();
// grant every granted permission first
foreach ( $groups as $group ) {
if ( isset( $wgGroupPermissions[$group] ) ) {
$rights = array_merge( $rights,
// array_filter removes empty items
array_keys( array_filter( $wgGroupPermissions[$group] ) ) );
}
}
// now revoke the revoked permissions
foreach ( $groups as $group ) {
if ( isset( $wgRevokePermissions[$group] ) ) {
$rights = array_diff( $rights,
array_keys( array_filter( $wgRevokePermissions[$group] ) ) );
}
}
return array_unique( $rights );
}
/**
* Get all the groups who have a given permission
*
* @param string $role Role to check
* @return Array of Strings List of internal group names with the given permission
*/
public static function getGroupsWithPermission( $role ) {
global $wgGroupPermissions;
$allowedGroups = array();
foreach ( array_keys( $wgGroupPermissions ) as $group ) {
if ( self::groupHasPermission( $group, $role ) ) {
$allowedGroups[] = $group;
}
}
return $allowedGroups;
}
/**
* Check, if the given group has the given permission
*
* If you're wanting to check whether all users have a permission, use
* User::isEveryoneAllowed() instead. That properly checks if it's revoked
* from anyone.
*
* @since 1.21
* @param string $group Group to check
* @param string $role Role to check
* @return bool
*/
public static function groupHasPermission( $group, $role ) {
global $wgGroupPermissions, $wgRevokePermissions;
return isset( $wgGroupPermissions[$group][$role] ) && $wgGroupPermissions[$group][$role]
&& !( isset( $wgRevokePermissions[$group][$role] ) && $wgRevokePermissions[$group][$role] );
}
/**
* Check if all users have the given permission
*
* @since 1.22
* @param string $right Right to check
* @return bool
*/
public static function isEveryoneAllowed( $right ) {
global $wgGroupPermissions, $wgRevokePermissions;
static $cache = array();
// Use the cached results, except in unit tests which rely on
// being able change the permission mid-request
if ( isset( $cache[$right] ) && !defined( 'MW_PHPUNIT_TEST' ) ) {
return $cache[$right];
}
if ( !isset( $wgGroupPermissions['*'][$right] ) || !$wgGroupPermissions['*'][$right] ) {
$cache[$right] = false;
return false;
}
// If it's revoked anywhere, then everyone doesn't have it
foreach ( $wgRevokePermissions as $rights ) {
if ( isset( $rights[$right] ) && $rights[$right] ) {
$cache[$right] = false;
return false;
}
}
// Allow extensions (e.g. OAuth) to say false
if ( !wfRunHooks( 'UserIsEveryoneAllowed', array( $right ) ) ) {
$cache[$right] = false;
return false;
}
$cache[$right] = true;
return true;
}
/**
* Get the localized descriptive name for a group, if it exists
*
* @param string $group Internal group name
* @return string Localized descriptive group name
*/
public static function getGroupName( $group ) {
$msg = wfMessage( "group-$group" );
return $msg->isBlank() ? $group : $msg->text();
}
/**
* Get the localized descriptive name for a member of a group, if it exists
*
* @param string $group Internal group name
* @param string $username Username for gender (since 1.19)
* @return string Localized name for group member
*/
public static function getGroupMember( $group, $username = '#' ) {
$msg = wfMessage( "group-$group-member", $username );
return $msg->isBlank() ? $group : $msg->text();
}
/**
* Return the set of defined explicit groups.
* The implicit groups (by default *, 'user' and 'autoconfirmed')
* are not included, as they are defined automatically, not in the database.
* @return Array of internal group names
*/
public static function getAllGroups() {
global $wgGroupPermissions, $wgRevokePermissions;
return array_diff(
array_merge( array_keys( $wgGroupPermissions ), array_keys( $wgRevokePermissions ) ),
self::getImplicitGroups()
);
}
/**
* Get a list of all available permissions.
* @return Array of permission names
*/
public static function getAllRights() {
if ( self::$mAllRights === false ) {
global $wgAvailableRights;
if ( count( $wgAvailableRights ) ) {
self::$mAllRights = array_unique( array_merge( self::$mCoreRights, $wgAvailableRights ) );
} else {
self::$mAllRights = self::$mCoreRights;
}
wfRunHooks( 'UserGetAllRights', array( &self::$mAllRights ) );
}
return self::$mAllRights;
}
/**
* Get a list of implicit groups
* @return Array of Strings Array of internal group names
*/
public static function getImplicitGroups() {
global $wgImplicitGroups;
$groups = $wgImplicitGroups;
wfRunHooks( 'UserGetImplicitGroups', array( &$groups ) ); #deprecated, use $wgImplictGroups instead
return $groups;
}
/**
* Get the title of a page describing a particular group
*
* @param string $group Internal group name
* @return Title|bool Title of the page if it exists, false otherwise
*/
public static function getGroupPage( $group ) {
$msg = wfMessage( 'grouppage-' . $group )->inContentLanguage();
if ( $msg->exists() ) {
$title = Title::newFromText( $msg->text() );
if ( is_object( $title ) ) {
return $title;
}
}
return false;
}
/**
* Create a link to the group in HTML, if available;
* else return the group name.
*
* @param string $group Internal name of the group
* @param string $text The text of the link
* @return string HTML link to the group
*/
public static function makeGroupLinkHTML( $group, $text = '' ) {
if ( $text == '' ) {
$text = self::getGroupName( $group );
}
$title = self::getGroupPage( $group );
if ( $title ) {
return Linker::link( $title, htmlspecialchars( $text ) );
} else {
return $text;
}
}
/**
* Create a link to the group in Wikitext, if available;
* else return the group name.
*
* @param string $group Internal name of the group
* @param string $text The text of the link
* @return string Wikilink to the group
*/
public static function makeGroupLinkWiki( $group, $text = '' ) {
if ( $text == '' ) {
$text = self::getGroupName( $group );
}
$title = self::getGroupPage( $group );
if ( $title ) {
$page = $title->getPrefixedText();
return "[[$page|$text]]";
} else {
return $text;
}
}
/**
* Returns an array of the groups that a particular group can add/remove.
*
* @param string $group the group to check for whether it can add/remove
* @return Array array( 'add' => array( addablegroups ),
* 'remove' => array( removablegroups ),
* 'add-self' => array( addablegroups to self),
* 'remove-self' => array( removable groups from self) )
*/
public static function changeableByGroup( $group ) {
global $wgAddGroups, $wgRemoveGroups, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
$groups = array( 'add' => array(), 'remove' => array(), 'add-self' => array(), 'remove-self' => array() );
if ( empty( $wgAddGroups[$group] ) ) {
// Don't add anything to $groups
} elseif ( $wgAddGroups[$group] === true ) {
// You get everything
$groups['add'] = self::getAllGroups();
} elseif ( is_array( $wgAddGroups[$group] ) ) {
$groups['add'] = $wgAddGroups[$group];
}
// Same thing for remove
if ( empty( $wgRemoveGroups[$group] ) ) {
} elseif ( $wgRemoveGroups[$group] === true ) {
$groups['remove'] = self::getAllGroups();
} elseif ( is_array( $wgRemoveGroups[$group] ) ) {
$groups['remove'] = $wgRemoveGroups[$group];
}
// Re-map numeric keys of AddToSelf/RemoveFromSelf to the 'user' key for backwards compatibility
if ( empty( $wgGroupsAddToSelf['user'] ) || $wgGroupsAddToSelf['user'] !== true ) {
foreach ( $wgGroupsAddToSelf as $key => $value ) {
if ( is_int( $key ) ) {
$wgGroupsAddToSelf['user'][] = $value;
}
}
}
if ( empty( $wgGroupsRemoveFromSelf['user'] ) || $wgGroupsRemoveFromSelf['user'] !== true ) {
foreach ( $wgGroupsRemoveFromSelf as $key => $value ) {
if ( is_int( $key ) ) {
$wgGroupsRemoveFromSelf['user'][] = $value;
}
}
}
// Now figure out what groups the user can add to him/herself
if ( empty( $wgGroupsAddToSelf[$group] ) ) {
} elseif ( $wgGroupsAddToSelf[$group] === true ) {
// No idea WHY this would be used, but it's there
$groups['add-self'] = User::getAllGroups();
} elseif ( is_array( $wgGroupsAddToSelf[$group] ) ) {
$groups['add-self'] = $wgGroupsAddToSelf[$group];
}
if ( empty( $wgGroupsRemoveFromSelf[$group] ) ) {
} elseif ( $wgGroupsRemoveFromSelf[$group] === true ) {
$groups['remove-self'] = User::getAllGroups();
} elseif ( is_array( $wgGroupsRemoveFromSelf[$group] ) ) {
$groups['remove-self'] = $wgGroupsRemoveFromSelf[$group];
}
return $groups;
}
/**
* Returns an array of groups that this user can add and remove
* @return Array array( 'add' => array( addablegroups ),
* 'remove' => array( removablegroups ),
* 'add-self' => array( addablegroups to self),
* 'remove-self' => array( removable groups from self) )
*/
public function changeableGroups() {
if ( $this->isAllowed( 'userrights' ) ) {
// This group gives the right to modify everything (reverse-
// compatibility with old "userrights lets you change
// everything")
// Using array_merge to make the groups reindexed
$all = array_merge( User::getAllGroups() );
return array(
'add' => $all,
'remove' => $all,
'add-self' => array(),
'remove-self' => array()
);
}
// Okay, it's not so simple, we will have to go through the arrays
$groups = array(
'add' => array(),
'remove' => array(),
'add-self' => array(),
'remove-self' => array()
);
$addergroups = $this->getEffectiveGroups();
foreach ( $addergroups as $addergroup ) {
$groups = array_merge_recursive(
$groups, $this->changeableByGroup( $addergroup )
);
$groups['add'] = array_unique( $groups['add'] );
$groups['remove'] = array_unique( $groups['remove'] );
$groups['add-self'] = array_unique( $groups['add-self'] );
$groups['remove-self'] = array_unique( $groups['remove-self'] );
}
return $groups;
}
/**
* Increment the user's edit-count field.
* Will have no effect for anonymous users.
*/
public function incEditCount() {
if ( !$this->isAnon() ) {
$dbw = wfGetDB( DB_MASTER );
$dbw->update(
'user',
array( 'user_editcount=user_editcount+1' ),
array( 'user_id' => $this->getId() ),
__METHOD__
);
// Lazy initialization check...
if ( $dbw->affectedRows() == 0 ) {
// Now here's a goddamn hack...
$dbr = wfGetDB( DB_SLAVE );
if ( $dbr !== $dbw ) {
// If we actually have a slave server, the count is
// at least one behind because the current transaction
// has not been committed and replicated.
$this->initEditCount( 1 );
} else {
// But if DB_SLAVE is selecting the master, then the
// count we just read includes the revision that was
// just added in the working transaction.
$this->initEditCount();
}
}
}
// edit count in user cache too
$this->invalidateCache();
}
/**
* Initialize user_editcount from data out of the revision table
*
* @param $add Integer Edits to add to the count from the revision table
* @return integer Number of edits
*/
protected function initEditCount( $add = 0 ) {
// Pull from a slave to be less cruel to servers
// Accuracy isn't the point anyway here
$dbr = wfGetDB( DB_SLAVE );
$count = (int)$dbr->selectField(
'revision',
'COUNT(rev_user)',
array( 'rev_user' => $this->getId() ),
__METHOD__
);
$count = $count + $add;
$dbw = wfGetDB( DB_MASTER );
$dbw->update(
'user',
array( 'user_editcount' => $count ),
array( 'user_id' => $this->getId() ),
__METHOD__
);
return $count;
}
/**
* Get the description of a given right
*
* @param string $right Right to query
* @return string Localized description of the right
*/
public static function getRightDescription( $right ) {
$key = "right-$right";
$msg = wfMessage( $key );
return $msg->isBlank() ? $right : $msg->text();
}
/**
* Make an old-style password hash
*
* @param string $password Plain-text password
* @param string $userId User ID
* @return string Password hash
*/
public static function oldCrypt( $password, $userId ) {
global $wgPasswordSalt;
if ( $wgPasswordSalt ) {
return md5( $userId . '-' . md5( $password ) );
} else {
return md5( $password );
}
}
/**
* Make a new-style password hash
*
* @param string $password Plain-text password
* @param bool|string $salt Optional salt, may be random or the user ID.
* If unspecified or false, will generate one automatically
* @return string Password hash
*/
public static function crypt( $password, $salt = false ) {
global $wgPasswordSalt;
$hash = '';
if ( !wfRunHooks( 'UserCryptPassword', array( &$password, &$salt, &$wgPasswordSalt, &$hash ) ) ) {
return $hash;
}
if ( $wgPasswordSalt ) {
if ( $salt === false ) {
$salt = MWCryptRand::generateHex( 8 );
}
return ':B:' . $salt . ':' . md5( $salt . '-' . md5( $password ) );
} else {
return ':A:' . md5( $password );
}
}
/**
* Compare a password hash with a plain-text password. Requires the user
* ID if there's a chance that the hash is an old-style hash.
*
* @param string $hash Password hash
* @param string $password Plain-text password to compare
* @param string|bool $userId User ID for old-style password salt
*
* @return boolean
*/
public static function comparePasswords( $hash, $password, $userId = false ) {
$type = substr( $hash, 0, 3 );
$result = false;
if ( !wfRunHooks( 'UserComparePasswords', array( &$hash, &$password, &$userId, &$result ) ) ) {
return $result;
}
if ( $type == ':A:' ) {
// Unsalted
return md5( $password ) === substr( $hash, 3 );
} elseif ( $type == ':B:' ) {
// Salted
list( $salt, $realHash ) = explode( ':', substr( $hash, 3 ), 2 );
return md5( $salt . '-' . md5( $password ) ) === $realHash;
} else {
// Old-style
return self::oldCrypt( $password, $userId ) === $hash;
}
}
/**
* Add a newuser log entry for this user.
* Before 1.19 the return value was always true.
*
* @param string|bool $action account creation type.
* - String, one of the following values:
* - 'create' for an anonymous user creating an account for himself.
* This will force the action's performer to be the created user itself,
* no matter the value of $wgUser
* - 'create2' for a logged in user creating an account for someone else
* - 'byemail' when the created user will receive its password by e-mail
* - 'autocreate' when the user is automatically created (such as by CentralAuth).
* - Boolean means whether the account was created by e-mail (deprecated):
* - true will be converted to 'byemail'
* - false will be converted to 'create' if this object is the same as
* $wgUser and to 'create2' otherwise
*
* @param string $reason user supplied reason
*
* @return int|bool True if not $wgNewUserLog; otherwise ID of log item or 0 on failure
*/
public function addNewUserLogEntry( $action = false, $reason = '' ) {
global $wgUser, $wgNewUserLog;
if ( empty( $wgNewUserLog ) ) {
return true; // disabled
}
if ( $action === true ) {
$action = 'byemail';
} elseif ( $action === false ) {
if ( $this->getName() == $wgUser->getName() ) {
$action = 'create';
} else {
$action = 'create2';
}
}
if ( $action === 'create' || $action === 'autocreate' ) {
$performer = $this;
} else {
$performer = $wgUser;
}
$logEntry = new ManualLogEntry( 'newusers', $action );
$logEntry->setPerformer( $performer );
$logEntry->setTarget( $this->getUserPage() );
$logEntry->setComment( $reason );
$logEntry->setParameters( array(
'4::userid' => $this->getId(),
) );
$logid = $logEntry->insert();
if ( $action !== 'autocreate' ) {
$logEntry->publish( $logid );
}
return (int)$logid;
}
/**
* Add an autocreate newuser log entry for this user
* Used by things like CentralAuth and perhaps other authplugins.
* Consider calling addNewUserLogEntry() directly instead.
*
* @return bool
*/
public function addNewUserLogEntryAutoCreate() {
$this->addNewUserLogEntry( 'autocreate' );
return true;
}
/**
* Load the user options either from cache, the database or an array
*
* @param array $data Rows for the current user out of the user_properties table
*/
protected function loadOptions( $data = null ) {
global $wgContLang;
$this->load();
if ( $this->mOptionsLoaded ) {
return;
}
$this->mOptions = self::getDefaultOptions();
if ( !$this->getId() ) {
// For unlogged-in users, load language/variant options from request.
// There's no need to do it for logged-in users: they can set preferences,
// and handling of page content is done by $pageLang->getPreferredVariant() and such,
// so don't override user's choice (especially when the user chooses site default).
$variant = $wgContLang->getDefaultVariant();
$this->mOptions['variant'] = $variant;
$this->mOptions['language'] = $variant;
$this->mOptionsLoaded = true;
return;
}
// Maybe load from the object
if ( !is_null( $this->mOptionOverrides ) ) {
wfDebug( "User: loading options for user " . $this->getId() . " from override cache.\n" );
foreach ( $this->mOptionOverrides as $key => $value ) {
$this->mOptions[$key] = $value;
}
} else {
if ( !is_array( $data ) ) {
wfDebug( "User: loading options for user " . $this->getId() . " from database.\n" );
// Load from database
$dbr = wfGetDB( DB_SLAVE );
$res = $dbr->select(
'user_properties',
array( 'up_property', 'up_value' ),
array( 'up_user' => $this->getId() ),
__METHOD__
);
$this->mOptionOverrides = array();
$data = array();
foreach ( $res as $row ) {
$data[$row->up_property] = $row->up_value;
}
}
foreach ( $data as $property => $value ) {
$this->mOptionOverrides[$property] = $value;
$this->mOptions[$property] = $value;
}
}
$this->mOptionsLoaded = true;
wfRunHooks( 'UserLoadOptions', array( $this, &$this->mOptions ) );
}
/**
* @todo document
*/
protected function saveOptions() {
$this->loadOptions();
// Not using getOptions(), to keep hidden preferences in database
$saveOptions = $this->mOptions;
// Allow hooks to abort, for instance to save to a global profile.
// Reset options to default state before saving.
if ( !wfRunHooks( 'UserSaveOptions', array( $this, &$saveOptions ) ) ) {
return;
}
$userId = $this->getId();
$insert_rows = array();
foreach ( $saveOptions as $key => $value ) {
// Don't bother storing default values
$defaultOption = self::getDefaultOption( $key );
if ( ( is_null( $defaultOption ) &&
!( $value === false || is_null( $value ) ) ) ||
$value != $defaultOption ) {
$insert_rows[] = array(
'up_user' => $userId,
'up_property' => $key,
'up_value' => $value,
);
}
}
$dbw = wfGetDB( DB_MASTER );
$hasRows = $dbw->selectField( 'user_properties', '1',
array( 'up_user' => $userId ), __METHOD__ );
if ( $hasRows ) {
// Only do this delete if there is something there. A very large portion of
// calls to this function are for setting 'rememberpassword' for new accounts.
// Doing this delete for new accounts with no rows in the table rougly causes
// gap locks on [max user ID,+infinity) which causes high contention since many
// updates will pile up on each other since they are for higher (newer) user IDs.
$dbw->delete( 'user_properties', array( 'up_user' => $userId ), __METHOD__ );
}
$dbw->insert( 'user_properties', $insert_rows, __METHOD__, array( 'IGNORE' ) );
}
/**
* Provide an array of HTML5 attributes to put on an input element
* intended for the user to enter a new password. This may include
* required, title, and/or pattern, depending on $wgMinimalPasswordLength.
*
* Do *not* use this when asking the user to enter his current password!
* Regardless of configuration, users may have invalid passwords for whatever
* reason (e.g., they were set before requirements were tightened up).
* Only use it when asking for a new password, like on account creation or
* ResetPass.
*
* Obviously, you still need to do server-side checking.
*
* NOTE: A combination of bugs in various browsers means that this function
* actually just returns array() unconditionally at the moment. May as
* well keep it around for when the browser bugs get fixed, though.
*
* @todo FIXME: This does not belong here; put it in Html or Linker or somewhere
*
* @return array Array of HTML attributes suitable for feeding to
* Html::element(), directly or indirectly. (Don't feed to Xml::*()!
* That will get confused by the boolean attribute syntax used.)
*/
public static function passwordChangeInputAttribs() {
global $wgMinimalPasswordLength;
if ( $wgMinimalPasswordLength == 0 ) {
return array();
}
# Note that the pattern requirement will always be satisfied if the
# input is empty, so we need required in all cases.
#
# @todo FIXME: Bug 23769: This needs to not claim the password is required
# if e-mail confirmation is being used. Since HTML5 input validation
# is b0rked anyway in some browsers, just return nothing. When it's
# re-enabled, fix this code to not output required for e-mail
# registration.
#$ret = array( 'required' );
$ret = array();
# We can't actually do this right now, because Opera 9.6 will print out
# the entered password visibly in its error message! When other
# browsers add support for this attribute, or Opera fixes its support,
# we can add support with a version check to avoid doing this on Opera
# versions where it will be a problem. Reported to Opera as
# DSK-262266, but they don't have a public bug tracker for us to follow.
/*
if ( $wgMinimalPasswordLength > 1 ) {
$ret['pattern'] = '.{' . intval( $wgMinimalPasswordLength ) . ',}';
$ret['title'] = wfMessage( 'passwordtooshort' )
->numParams( $wgMinimalPasswordLength )->text();
}
*/
return $ret;
}
/**
* Return the list of user fields that should be selected to create
* a new user object.
* @return array
*/
public static function selectFields() {
return array(
'user_id',
'user_name',
'user_real_name',
'user_password',
'user_newpassword',
'user_newpass_time',
'user_email',
'user_touched',
'user_token',
'user_email_authenticated',
'user_email_token',
'user_email_token_expires',
'user_registration',
'user_editcount',
);
}
/**
* Factory function for fatal permission-denied errors
*
* @since 1.22
* @param string $permission User right required
* @return Status
*/
static function newFatalPermissionDeniedStatus( $permission ) {
global $wgLang;
$groups = array_map(
array( 'User', 'makeGroupLinkWiki' ),
User::getGroupsWithPermission( $permission )
);
if ( $groups ) {
return Status::newFatal( 'badaccess-groups', $wgLang->commaList( $groups ), count( $groups ) );
} else {
return Status::newFatal( 'badaccess-group0' );
}
}
}