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<?php
use MediaWiki\Widget\UserInputWidget;
use Wikimedia\IPUtils;
/**
* Implements a text input field for user names.
* Automatically auto-completes if using the OOUI display format.
*
* Optional parameters:
* 'exists' - Whether to validate that the user already exists
* 'ipallowed' - Whether an IP adress is interpreted as "valid"
* 'iprange' - Whether an IP adress range is interpreted as "valid"
* 'iprangelimits' - Specifies the valid IP ranges for IPv4 and IPv6 in an array.
* defaults to IPv4 => 16; IPv6 => 32.
*
* @stable to extend
* @since 1.26
*/
class HTMLUserTextField extends HTMLTextField {
/*
* @stable to call
*/
public function __construct( $params ) {
$params = wfArrayPlus2d( $params, [
'exists' => false,
'ipallowed' => false,
'iprange' => false,
'iprangelimits' => [
'IPv4' => '16',
'IPv6' => '32',
],
]
);
parent::__construct( $params );
}
public function validate( $value, $alldata ) {
// If the value is null, reset it to an empty string which is what is expected by the parent.
if ( $value === null ) {
$value = '';
}
// If the value is empty, there are no additional checks that can be performed.
if ( $value === '' ) {
return parent::validate( $value, $alldata );
}
// check, if a user exists with the given username
$user = User::newFromName( $value, false );
$rangeError = null;
if ( !$user ) {
return $this->msg( 'htmlform-user-not-valid', $value );
} elseif (
// check, if the user exists, if requested
( $this->mParams['exists'] && !(
$user->isRegistered() &&
// Treat hidden users as unregistered if current user can't view them (T309894)
!( $user->isHidden() && !( $this->mParent && $this->mParent->getUser()->isAllowed( 'hideuser' ) ) )
) ) &&
// check, if the username is a valid IP address, otherwise save the error message
!( $this->mParams['ipallowed'] && IPUtils::isValid( $value ) ) &&
// check, if the username is a valid IP range, otherwise save the error message
!( $this->mParams['iprange'] && ( $rangeError = $this->isValidIPRange( $value ) ) === true )
) {
if ( is_string( $rangeError ) ) {
return $rangeError;
}
return $this->msg( 'htmlform-user-not-exists', $user->getName() );
}
return parent::validate( $value, $alldata );
}
protected function isValidIPRange( $value ) {
$cidrIPRanges = $this->mParams['iprangelimits'];
if ( !IPUtils::isValidRange( $value ) ) {
return false;
}
list( $ip, $range ) = explode( '/', $value, 2 );
if (
( IPUtils::isIPv4( $ip ) && $cidrIPRanges['IPv4'] == 32 ) ||
( IPUtils::isIPv6( $ip ) && $cidrIPRanges['IPv6'] == 128 )
) {
// Range block effectively disabled
return $this->msg( 'ip_range_toolow' )->parse();
}
if (
( IPUtils::isIPv4( $ip ) && $range > 32 ) ||
( IPUtils::isIPv6( $ip ) && $range > 128 )
) {
// Dodgy range
return $this->msg( 'ip_range_invalid' )->parse();
}
if ( IPUtils::isIPv4( $ip ) && $range < $cidrIPRanges['IPv4'] ) {
return $this->msg( 'ip_range_exceeded', $cidrIPRanges['IPv4'] )->parse();
}
if ( IPUtils::isIPv6( $ip ) && $range < $cidrIPRanges['IPv6'] ) {
return $this->msg( 'ip_range_exceeded', $cidrIPRanges['IPv6'] )->parse();
}
return true;
}
protected function getInputWidget( $params ) {
return new UserInputWidget( $params );
}
protected function shouldInfuseOOUI() {
return true;
}
protected function getOOUIModules() {
return [ 'mediawiki.widgets.UserInputWidget' ];
}
public function getInputHtml( $value ) {
// add the required module and css class for user suggestions in non-OOUI mode
$this->mParent->getOutput()->addModules( 'mediawiki.userSuggest' );
$this->mClass .= ' mw-autocomplete-user';
// return parent html
return parent::getInputHTML( $value );
}
}
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