includes/htmlform/fields/HTMLRestrictionsField.php

   1 <?php
   2
   3 /**
   4  * Class for updating an MWRestrictions value (which is, currently, basically just an IP address
   5  * list).
   6  *
   7  * Will be represented as a textarea with one address per line, with intelligent defaults for
   8  * label, help text and row count.
   9  *
  10  * The value returned will be an MWRestrictions or the input string if it was not a list of
  11  * valid IP ranges.
  12  */
  13 class HTMLRestrictionsField extends HTMLTextAreaField {
  14         const DEFAULT_ROWS = 5;
  15
  16         public function __construct( array $params ) {
  17                 parent::__construct( $params );
  18                 if ( !$this->mLabel ) {
  19                         $this->mLabel = $this->msg( 'restrictionsfield-label' )->parse();
  20                 }
  21         }
  22
  23         public function getHelpText() {
  24                 $helpText = parent::getHelpText();
  25                 if ( $helpText === null ) {
  26                         $helpText = $this->msg( 'restrictionsfield-help' )->parse();
  27                 }
  28                 return $helpText;
  29         }
  30
  31         /**
  32          * @param WebRequest $request
  33          * @return string|MWRestrictions Restrictions object or original string if invalid
  34          */
  35         function loadDataFromRequest( $request ) {
  36                 if ( !$request->getCheck( $this->mName ) ) {
  37                         return $this->getDefault();
  38                 }
  39
  40                 $value = rtrim( $request->getText( $this->mName ), "\r\n" );
  41                 $ips = $value === '' ? [] : explode( PHP_EOL, $value );
  42                 try {
  43                         return MWRestrictions::newFromArray( [ 'IPAddresses' => $ips ] );
  44                 } catch ( InvalidArgumentException $e ) {
  45                         return $value;
  46                 }
  47         }
  48
  49         /**
  50          * @return MWRestrictions
  51          */
  52         public function getDefault() {
  53                 $default = parent::getDefault();
  54                 if ( $default === null ) {
  55                         $default = MWRestrictions::newDefault();
  56                 }
  57                 return $default;
  58         }
  59
  60         /**
  61          * @param string|MWRestrictions $value The value the field was submitted with
  62          * @param array $alldata The data collected from the form
  63          *
  64          * @return bool|string True on success, or String error to display, or
  65          *   false to fail validation without displaying an error.
  66          */
  67         public function validate( $value, $alldata ) {
  68                 if ( $this->isHidden( $alldata ) ) {
  69                         return true;
  70                 }
  71
  72                 if (
  73                         isset( $this->mParams['required'] ) && $this->mParams['required'] !== false
  74                         && $value instanceof MWRestrictions && !$value->toArray()['IPAddresses']
  75                 ) {
  76                         return $this->msg( 'htmlform-required' )->parse();
  77                 }
  78
  79                 if ( is_string( $value ) ) {
  80                         // MWRestrictions::newFromArray failed; one of the IP ranges must be invalid
  81                         $status = Status::newGood();
  82                         foreach ( explode( PHP_EOL,  $value ) as $range ) {
  83                                 if ( !\IP::isIPAddress( $range ) ) {
  84                                         $status->fatal( 'restrictionsfield-badip', $range );
  85                                 }
  86                         }
  87                         if ( $status->isOK() ) {
  88                                 $status->fatal( 'unknown-error' );
  89                         }
  90                         return $status->getMessage()->parse();
  91                 }
  92
  93                 if ( isset( $this->mValidationCallback ) ) {
  94                         return call_user_func( $this->mValidationCallback, $value, $alldata, $this->mParent );
  95                 }
  96
  97                 return true;
  98         }
  99
 100         /**
 101          * @param string|MWRestrictions $value
 102          * @return string
 103          */
 104         public function getInputHTML( $value ) {
 105                 if ( $value instanceof MWRestrictions ) {
 106                         $value = implode( PHP_EOL, $value->toArray()['IPAddresses'] );
 107                 }
 108                 return parent::getInputHTML( $value );
 109         }
 110
 111         /**
 112          * @param MWRestrictions $value
 113          * @return string
 114          */
 115         public function getInputOOUI( $value ) {
 116                 if ( $value instanceof MWRestrictions ) {
 117                         $value = implode( PHP_EOL, $value->toArray()['IPAddresses'] );
 118                 }
 119                 return parent::getInputOOUI( $value );
 120         }
 121 }