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<?php
/**
* Class for updating an MWRestrictions value (which is, currently, basically just an IP address
* list).
*
* Will be represented as a textarea with one address per line, with intelligent defaults for
* label, help text and row count.
*
* The value returned will be an MWRestrictions or the input string if it was not a list of
* valid IP ranges.
*/
class HTMLRestrictionsField extends HTMLTextAreaField {
const DEFAULT_ROWS = 5;
public function __construct( array $params ) {
parent::__construct( $params );
if ( !$this->mLabel ) {
$this->mLabel = $this->msg( 'restrictionsfield-label' )->parse();
}
}
public function getHelpText() {
$helpText = parent::getHelpText();
if ( $helpText === null ) {
$helpText = $this->msg( 'restrictionsfield-help' )->parse();
}
return $helpText;
}
/**
* @param WebRequest $request
* @return string|MWRestrictions Restrictions object or original string if invalid
*/
public function loadDataFromRequest( $request ) {
if ( !$request->getCheck( $this->mName ) ) {
return $this->getDefault();
}
$value = rtrim( $request->getText( $this->mName ), "\r\n" );
$ips = $value === '' ? [] : explode( "\n", $value );
try {
return MWRestrictions::newFromArray( [ 'IPAddresses' => $ips ] );
} catch ( InvalidArgumentException $e ) {
return $value;
}
}
/**
* @return MWRestrictions
*/
public function getDefault() {
$default = parent::getDefault();
if ( $default === null ) {
$default = MWRestrictions::newDefault();
}
return $default;
}
/**
* @param string|MWRestrictions $value The value the field was submitted with
* @param array $alldata The data collected from the form
*
* @return bool|string|Message True on success, or String/Message error to display, or
* false to fail validation without displaying an error.
*/
public function validate( $value, $alldata ) {
if ( $this->isHidden( $alldata ) ) {
return true;
}
if (
isset( $this->mParams['required'] ) && $this->mParams['required'] !== false
&& $value instanceof MWRestrictions && !$value->toArray()['IPAddresses']
) {
return $this->msg( 'htmlform-required' );
}
if ( is_string( $value ) ) {
// MWRestrictions::newFromArray failed; one of the IP ranges must be invalid
$status = Status::newGood();
foreach ( explode( "\n", $value ) as $range ) {
if ( !\IP::isIPAddress( $range ) ) {
$status->fatal( 'restrictionsfield-badip', $range );
}
}
if ( $status->isOK() ) {
$status->fatal( 'unknown-error' );
}
return $status->getMessage();
}
if ( isset( $this->mValidationCallback ) ) {
return call_user_func( $this->mValidationCallback, $value, $alldata, $this->mParent );
}
return true;
}
/**
* @param string|MWRestrictions $value
* @return string
*/
public function getInputHTML( $value ) {
if ( $value instanceof MWRestrictions ) {
$value = implode( "\n", $value->toArray()['IPAddresses'] );
}
return parent::getInputHTML( $value );
}
/**
* @param MWRestrictions $value
* @return string
*/
public function getInputOOUI( $value ) {
if ( $value instanceof MWRestrictions ) {
$value = implode( "\n", $value->toArray()['IPAddresses'] );
}
return parent::getInputOOUI( $value );
}
}
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