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<?php
/** \file
* \brief Contains code for the UserMerge Class (extends SpecialPage).
*/
/**
* Special page class for the User Merge and Delete extension
* allows sysops to merge references from one user to another user.
* It also supports deleting users following merge.
*
* @ingroup Extensions
* @author Tim Laqua <t.laqua@gmail.com>
* @author Thomas Gries <mail@tgries.de>
* @author Matthew April <Matthew.April@tbs-sct.gc.ca>
*
*/
class SpecialUserMerge extends FormSpecialPage {
public function __construct() {
parent::__construct( 'UserMerge', 'usermerge' );
}
/**
* @return array
*/
protected function getFormFields() {
return [
'olduser' => [
'type' => 'text',
'label-message' => 'usermerge-olduser',
'required' => true,
'validation-callback' => function ( $val ) {
// only pass strings to User::newFromName
if ( !is_string( $val ) ) {
return true;
}
$key = $this->validateOldUser( $val );
if ( is_string( $key ) || is_array( $key ) ) {
return $this->msg( $key )->escaped();
}
return true;
},
],
'newuser' => [
'type' => 'text',
'required' => true,
'label-message' => 'usermerge-newuser',
'validation-callback' => function ( $val ) {
// only pass strings to User::newFromName
if ( !is_string( $val ) ) {
return true;
}
$key = $this->validateNewUser( $val );
if ( is_string( $key ) ) {
return $this->msg( $key )->escaped();
}
return true;
},
],
'delete' => [
'type' => 'check',
'label-message' => 'usermerge-deleteolduser',
],
];
}
/**
* @param string $val user's input for username
* @return bool|string|string[] true if valid, a string or string[] of the error's message key
* if validation failed
*/
public function validateOldUser( $val ) {
$oldUser = User::newFromName( $val );
if ( !$oldUser || $oldUser->getId() === 0 ) {
return 'usermerge-badolduser';
}
if ( $this->getUser()->getId() === $oldUser->getId() ) {
return [ 'usermerge-noselfdelete', $this->getUser()->getName() ];
}
$protectedGroups = $this->getConfig()->get( 'UserMergeProtectedGroups' );
if ( count( array_intersect( $oldUser->getGroups(), $protectedGroups ) ) ) {
return [ 'usermerge-protectedgroup', $oldUser->getName() ];
}
return true;
}
/**
* @param string $val user's input for username
* @return bool|string true if valid, a string of the error's message key if validation failed
*/
public function validateNewUser( $val ) {
$enableDelete = $this->getConfig()->get( 'UserMergeEnableDelete' );
if ( $enableDelete && $val === 'Anonymous' ) {
return true; // Special case
}
$newUser = User::newFromName( $val );
if ( !$newUser || $newUser->getId() === 0 ) {
return 'usermerge-badnewuser';
}
return true;
}
/**
* @param HTMLForm $form
*/
protected function alterForm( HTMLForm $form ) {
$form->setSubmitTextMsg( 'usermerge-submit' );
}
/**
* @param array $data
* @return Status
*/
public function onSubmit( array $data ) {
$enableDelete = $this->getConfig()->get( 'UserMergeEnableDelete' );
// Most of the data has been validated using callbacks
// still need to check if the users are different
$newUser = User::newFromName( $data['newuser'] );
// Handle "Anonymous" as a special case for user deletion
if ( $enableDelete && $data['newuser'] === 'Anonymous' ) {
$newUser->mId = 0;
}
$oldUser = User::newFromName( $data['olduser'] );
if ( $newUser->getName() === $oldUser->getName() ) {
return Status::newFatal( 'usermerge-same-old-and-new-user' );
}
// Validation passed, let's merge the user now.
$um = new MergeUser( $oldUser, $newUser, new UserMergeLogger() );
$um->merge( $this->getUser(), __METHOD__ );
$out = $this->getOutput();
$out->addWikiMsg(
'usermerge-success',
$oldUser->getName(), $oldUser->getId(),
$newUser->getName(), $newUser->getId()
);
if ( $data['delete'] ) {
$failed = $um->delete( $this->getUser(), [ $this, 'msg' ] );
$out->addWikiMsg(
'usermerge-userdeleted', $oldUser->getName(), $oldUser->getId()
);
if ( $failed ) {
// Output an error message for failed moves
$out->addHTML( Html::openElement( 'ul' ) );
$linkRenderer = $this->getLinkRenderer();
foreach ( $failed as $oldTitleText => $newTitle ) {
$oldTitle = Title::newFromText( $oldTitleText );
$out->addHTML(
Html::rawElement( 'li', [],
$this->msg( 'usermerge-page-unmoved' )->rawParams(
$linkRenderer->makeLink( $oldTitle ),
$linkRenderer->makeLink( $newTitle )
)->escaped()
)
);
}
$out->addHTML( Html::closeElement( 'ul' ) );
}
}
return Status::newGood();
}
/**
* @inheritDoc
*/
protected function getDisplayFormat() {
return 'ooui';
}
/**
* @inheritDoc
*/
protected function getGroupName() {
return 'users';
}
}
|
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