/**
* Special page to allow managing user group membership
*
- * @addtogroup Special pages
- * @todo This code is disgusting and needs a total rewrite
+ * @addtogroup SpecialPage
+ * @todo Use checkboxes or something, this list thing is incomprehensible to
+ * normal human beings.
*/
-/** */
-require_once('HTMLForm.php');
-
-/** Entry point */
-function wfSpecialUserrights() {
- global $wgRequest;
- $form = new UserrightsForm($wgRequest);
- $form->execute();
-}
-
/**
* A class to manage user levels rights.
* @addtogroup SpecialPage
*/
-class UserrightsForm extends HTMLForm {
- var $mPosted, $mRequest, $mSaveprefs;
- /** Escaped local url name*/
- var $action;
+class UserrightsPage extends SpecialPage {
+ # The target of the local right-adjuster's interest. Can be gotten from
+ # either a GET parameter or a subpage-style parameter, so have a member
+ # variable for it.
+ protected $mTarget;
+ protected $isself = false;
- /** Constructor*/
- function UserrightsForm ( &$request ) {
- $this->mPosted = $request->wasPosted();
- $this->mRequest =& $request;
- $this->mName = 'userrights';
+ public function __construct() {
+ parent::__construct( 'Userrights' );
+ }
- $titleObj = SpecialPage::getTitleFor( 'Userrights' );
- $this->action = $titleObj->escapeLocalURL();
+ public function isRestricted() {
+ return true;
+ }
+
+ public function userCanExecute( $user ) {
+ $available = $this->changeableGroups();
+ return !empty( $available['add'] )
+ or !empty( $available['remove'] )
+ or ($this->isself and
+ (!empty( $available['add-self'] )
+ or !empty( $available['remove-self'] )));
}
/**
* Manage forms to be shown according to posted data.
* Depending on the submit button used, call a form or a save function.
+ *
+ * @param mixed $par String if any subpage provided, else null
*/
- function execute() {
+ function execute( $par ) {
+ // If the visitor doesn't have permissions to assign or remove
+ // any groups, it's a bit silly to give them the user search prompt.
+ global $wgUser, $wgRequest;
+
+ if( $par ) {
+ $this->mTarget = $par;
+ } else {
+ $this->mTarget = $wgRequest->getVal( 'user' );
+ }
+
+ if (!$this->mTarget) {
+ /*
+ * If the user specified no target, and they can only
+ * edit their own groups, automatically set them as the
+ * target.
+ */
+ $available = $this->changeableGroups();
+ if (empty($available['add']) && empty($available['remove']))
+ $this->mTarget = $wgUser->getName();
+ }
+
+ if ($this->mTarget == $wgUser->getName())
+ $this->isself = true;
+
+ if( !$this->userCanExecute( $wgUser ) ) {
+ // fixme... there may be intermediate groups we can mention.
+ global $wgOut;
+ $wgOut->showPermissionsErrorPage( array(
+ $wgUser->isAnon()
+ ? 'userrights-nologin'
+ : 'userrights-notallowed' ) );
+ return;
+ }
+
+ if ( wfReadOnly() ) {
+ global $wgOut;
+ $wgOut->readOnlyPage();
+ return;
+ }
+
+ $this->outputHeader();
+
+ $this->setHeaders();
+
// show the general form
$this->switchForm();
- if( $this->mPosted ) {
- // show some more forms
- if( $this->mRequest->getCheck( 'ssearchuser' ) ) {
- $this->editUserGroupsForm( $this->mRequest->getVal( 'user-editname' ) );
- }
+ if( $wgRequest->wasPosted() ) {
// save settings
- if( $this->mRequest->getCheck( 'saveusergroups' ) ) {
- global $wgUser;
- $username = $this->mRequest->getVal( 'user-editname' );
- if( $wgUser->matchEditToken( $this->mRequest->getVal( 'wpEditToken' ), $username ) ) {
- $this->saveUserGroups( $username,
- $this->mRequest->getArray( 'member' ),
- $this->mRequest->getArray( 'available' ) );
+ if( $wgRequest->getCheck( 'saveusergroups' ) ) {
+ $reason = $wgRequest->getVal( 'user-reason' );
+ if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $this->mTarget ) ) {
+ $this->saveUserGroups(
+ $this->mTarget,
+ $wgRequest->getArray( 'removable' ),
+ $wgRequest->getArray( 'available' ),
+ $reason
+ );
}
}
}
+
+ // show some more forms
+ if( $this->mTarget ) {
+ $this->editUserGroupsForm( $this->mTarget );
+ }
}
/**
* @param string $username Username to apply changes to.
* @param array $removegroup id of groups to be removed.
* @param array $addgroup id of groups to be added.
- *
+ * @param string $reason Reason for group change
+ * @return null
*/
- function saveUserGroups( $username, $removegroup, $addgroup) {
- global $wgOut;
- $u = User::newFromName($username);
+ function saveUserGroups( $username, $removegroup, $addgroup, $reason = '') {
+ global $wgUser, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
- if(is_null($u)) {
- $wgOut->addWikiText( wfMsg( 'nosuchusershort', htmlspecialchars( $username ) ) );
+ $user = $this->fetchUser( $username );
+ if( !$user ) {
return;
}
-
- if($u->getID() == 0) {
- $wgOut->addWikiText( wfMsg( 'nosuchusershort', htmlspecialchars( $username ) ) );
- return;
+
+ // Validate input set...
+ $changeable = $this->changeableGroups();
+ if ($wgUser->getId() != 0 && $wgUser->getId() == $user->getId()) {
+ $addable = array_merge($changeable['add'], $wgGroupsAddToSelf);
+ $removable = array_merge($changeable['remove'], $wgGroupsRemoveFromSelf);
+ } else {
+ $addable = $changeable['add'];
+ $removable = $changeable['remove'];
}
- $oldGroups = $u->getGroups();
+ $removegroup = array_unique(
+ array_intersect( (array)$removegroup, $removable ) );
+ $addgroup = array_unique(
+ array_intersect( (array)$addgroup, $addable ) );
+
+ $oldGroups = $user->getGroups();
$newGroups = $oldGroups;
// remove then add groups
- if(isset($removegroup)) {
+ if( $removegroup ) {
$newGroups = array_diff($newGroups, $removegroup);
foreach( $removegroup as $group ) {
- $u->removeGroup( $group );
+ $user->removeGroup( $group );
}
}
- if(isset($addgroup)) {
+ if( $addgroup ) {
$newGroups = array_merge($newGroups, $addgroup);
foreach( $addgroup as $group ) {
- $u->addGroup( $group );
+ $user->addGroup( $group );
}
}
$newGroups = array_unique( $newGroups );
+ // Ensure that caches are cleared
+ $user->invalidateCache();
+
wfDebug( 'oldGroups: ' . print_r( $oldGroups, true ) );
wfDebug( 'newGroups: ' . print_r( $newGroups, true ) );
+ if( $user instanceof User ) {
+ // hmmm
+ wfRunHooks( 'UserRights', array( &$user, $addgroup, $removegroup ) );
+ }
- wfRunHooks( 'UserRights', array( &$u, $addgroup, $removegroup ) );
- $log = new LogPage( 'rights' );
- $log->addEntry( 'rights', Title::makeTitle( NS_USER, $u->getName() ), '', array( $this->makeGroupNameList( $oldGroups ),
- $this->makeGroupNameList( $newGroups ) ) );
+ if( $newGroups != $oldGroups ) {
+ $log = new LogPage( 'rights' );
+
+ global $wgRequest;
+ $log->addEntry( 'rights',
+ $user->getUserPage(),
+ $wgRequest->getText( 'user-reason' ),
+ array(
+ $this->makeGroupNameList( $oldGroups ),
+ $this->makeGroupNameList( $newGroups )
+ )
+ );
+ }
+ }
+
+ /**
+ * Edit user groups membership
+ * @param string $username Name of the user.
+ */
+ function editUserGroupsForm( $username ) {
+ global $wgOut;
+
+ $user = $this->fetchUser( $username );
+ if( !$user ) {
+ return;
+ }
+
+ $groups = $user->getGroups();
+
+ $this->showEditUserGroupsForm( $user, $groups );
+
+ // This isn't really ideal logging behavior, but let's not hide the
+ // interwiki logs if we're using them as is.
+ $this->showLogFragment( $user, $wgOut );
+ }
+
+ /**
+ * Normalize the input username, which may be local or remote, and
+ * return a user (or proxy) object for manipulating it.
+ *
+ * Side effects: error output for invalid access
+ * @return mixed User, UserRightsProxy, or null
+ */
+ function fetchUser( $username ) {
+ global $wgOut, $wgUser;
+
+ $parts = explode( '@', $username );
+ if( count( $parts ) < 2 ) {
+ $name = trim( $username );
+ $database = '';
+ } else {
+ list( $name, $database ) = array_map( 'trim', $parts );
+
+ if( !$wgUser->isAllowed( 'userrights-interwiki' ) ) {
+ $wgOut->addWikiMsg( 'userrights-no-interwiki' );
+ return null;
+ }
+ if( !UserRightsProxy::validDatabase( $database ) ) {
+ $wgOut->addWikiMsg( 'userrights-nodatabase', $database );
+ return null;
+ }
+ }
+
+ if( $name == '' ) {
+ $wgOut->addWikiMsg( 'nouserspecified' );
+ return false;
+ }
+
+ if( $name{0} == '#' ) {
+ // Numeric ID can be specified...
+ // We'll do a lookup for the name internally.
+ $id = intval( substr( $name, 1 ) );
+
+ if( $database == '' ) {
+ $name = User::whoIs( $id );
+ } else {
+ $name = UserRightsProxy::whoIs( $database, $id );
+ }
+
+ if( !$name ) {
+ $wgOut->addWikiMsg( 'noname' );
+ return null;
+ }
+ }
+
+ if( $database == '' ) {
+ $user = User::newFromName( $name );
+ } else {
+ $user = UserRightsProxy::newFromName( $database, $name );
+ }
+
+ if( !$user || $user->isAnon() ) {
+ $wgOut->addWikiMsg( 'nosuchusershort', $username );
+ return null;
+ }
+
+ return $user;
}
function makeGroupNameList( $ids ) {
* Output a form to allow searching for a user
*/
function switchForm() {
- global $wgOut, $wgRequest;
- $username = $wgRequest->getText( 'user-editname' );
- $form = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->action, 'name' => 'uluser' ) );
+ global $wgOut, $wgScript;
+ $form = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'name' => 'uluser' ) );
+ $form .= Xml::hidden( 'title', 'Special:Userrights' );
$form .= '<fieldset><legend>' . wfMsgHtml( 'userrights-lookup-user' ) . '</legend>';
- $form .= '<p>' . Xml::inputLabel( wfMsg( 'userrights-user-editname' ), 'user-editname', 'username', 30, $username ) . '</p>';
- $form .= '<p>' . Xml::submitButton( wfMsg( 'editusergroup' ), array( 'name' => 'ssearchuser' ) ) . '</p>';
+ $form .= '<p>' . Xml::inputLabel( wfMsg( 'userrights-user-editname' ), 'user', 'username', 30, $this->mTarget ) . '</p>';
+ $form .= '<p>' . Xml::submitButton( wfMsg( 'editusergroup' ) ) . '</p>';
$form .= '</fieldset>';
$form .= '</form>';
$wgOut->addHTML( $form );
}
+
+ /**
+ * Go through used and available groups and return the ones that this
+ * form will be able to manipulate based on the current user's system
+ * permissions.
+ *
+ * @param $groups Array: list of groups the given user is in
+ * @return Array: Tuple of addable, then removable groups
+ */
+ protected function splitGroups( $groups ) {
+ global $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
+ list($addable, $removable) = array_values( $this->changeableGroups() );
+
+ $removable = array_intersect(
+ array_merge($this->isself ? $wgGroupsRemoveFromSelf : array(), $removable),
+ $groups ); // Can't remove groups the user doesn't have
+ $addable = array_diff(
+ array_merge($this->isself ? $wgGroupsAddToSelf : array(), $addable),
+ $groups ); // Can't add groups the user does have
+
+ return array( $addable, $removable );
+ }
/**
- * Edit user groups membership
- * @param string $username Name of the user.
+ * Show the form to edit group memberships.
+ *
+ * @todo make all CSS-y and semantic
+ * @param $user User or UserRightsProxy you're editing
+ * @param $groups Array: Array of groups the user is in
*/
- function editUserGroupsForm($username) {
+ protected function showEditUserGroupsForm( $user, $groups ) {
global $wgOut, $wgUser;
- $user = User::newFromName($username);
- if( is_null( $user ) ) {
- $wgOut->addWikiText( wfMsg( 'nouserspecified' ) );
- return;
- } elseif( $user->getID() == 0 ) {
- $wgOut->addWikiText( wfMsg( 'nosuchusershort', wfEscapeWikiText( $username ) ) );
- return;
+ list( $addable, $removable ) = $this->splitGroups( $groups );
+
+ $list = array();
+ foreach( $user->getGroups() as $group )
+ $list[] = self::buildGroupLink( $group );
+
+ $grouplist = '';
+ if( count( $list ) > 0 ) {
+ $grouplist = '<p>' . wfMsgHtml( 'userrights-groupsmember' ) . ' ' . implode( ', ', $list ) . '</p>';
}
+ $wgOut->addHTML(
+ Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getTitle()->escapeLocalURL(), 'name' => 'editGroup' ) ) .
+ Xml::hidden( 'user', $this->mTarget ) .
+ Xml::hidden( 'wpEditToken', $wgUser->editToken( $this->mTarget ) ) .
+ Xml::openElement( 'fieldset' ) .
+ Xml::element( 'legend', array(), wfMsg( 'userrights-editusergroup' ) ) .
+ wfMsgExt( 'editinguser', array( 'parse' ),
+ wfEscapeWikiText( $user->getName() ) ) .
+ $grouplist .
+ $this->explainRights() .
+ "<table border='0'>
+ <tr>
+ <td></td>
+ <td>
+ <table width='400'>
+ <tr>
+ <td width='50%'>" . $this->removeSelect( $removable ) . "</td>
+ <td width='50%'>" . $this->addSelect( $addable ) . "</td>
+ </tr>
+ </table>
+ </tr>
+ <tr>
+ <td colspan='2'>" .
+ $wgOut->parse( wfMsg('userrights-groupshelp') ) .
+ "</td>
+ </tr>
+ <tr>
+ <td>" .
+ Xml::label( wfMsg( 'userrights-reason' ), 'wpReason' ) .
+ "</td>
+ <td>" .
+ Xml::input( 'user-reason', 60, false, array( 'id' => 'wpReason', 'maxlength' => 255 ) ) .
+ "</td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>" .
+ Xml::submitButton( wfMsg( 'saveusergroups' ), array( 'name' => 'saveusergroups' ) ) .
+ "</td>
+ </tr>
+ </table>\n" .
+ Xml::closeElement( 'fieldset' ) .
+ Xml::closeElement( 'form' ) . "\n"
+ );
+ }
+
+ /**
+ * Format a link to a group description page
+ *
+ * @param string $group
+ * @return string
+ */
+ private static function buildGroupLink( $group ) {
+ static $cache = array();
+ if( !isset( $cache[$group] ) )
+ $cache[$group] = User::makeGroupLinkHtml( $group, User::getGroupMember( $group ) );
+ return $cache[$group];
+ }
- $groups = $user->getGroups();
+ /**
+ * Prepare a list of groups the user is able to add and remove
+ *
+ * @return string
+ */
+ private function explainRights() {
+ global $wgUser, $wgLang;
- $wgOut->addHTML( "<form name=\"editGroup\" action=\"$this->action\" method=\"post\">\n".
- wfElement( 'input', array(
- 'type' => 'hidden',
- 'name' => 'user-editname',
- 'value' => $username ) ) .
- wfElement( 'input', array(
- 'type' => 'hidden',
- 'name' => 'wpEditToken',
- 'value' => $wgUser->editToken( $username ) ) ) .
- $this->fieldset( 'editusergroup',
- $wgOut->parse( wfMsg('editinguser', $username ) ) .
- '<table border="0" align="center"><tr><td>'.
- HTMLSelectGroups('member', $this->mName.'-groupsmember', $groups,true,6).
- '</td><td>'.
- HTMLSelectGroups('available', $this->mName.'-groupsavailable', $groups,true,6,true).
- '</td></tr></table>'."\n".
- $wgOut->parse( wfMsg('userrights-groupshelp') ) .
- wfElement( 'input', array(
- 'type' => 'submit',
- 'name' => 'saveusergroups',
- 'value' => wfMsg( 'saveusergroups' ) ) )
- ));
- $wgOut->addHTML( "</form>\n" );
- }
-} // end class UserrightsForm
-?>
+ $out = array();
+ list( $add, $remove, $addself, $rmself ) = array_values( $this->changeableGroups() );
+
+ if( count( $add ) > 0 )
+ $out[] = wfMsgExt( 'userrights-available-add', 'parseinline',
+ $wgLang->listToText( $add ), count( $add ) );
+ if( count( $remove ) > 0 )
+ $out[] = wfMsgExt( 'userrights-available-remove', 'parseinline',
+ $wgLang->listToText( $remove ), count( $add ) );
+ if( count( $addself ) > 0 )
+ $out[] = wfMsgExt( 'userrights-available-add-self', 'parseinline',
+ $wgLang->listToText( $addself ), count( $addself ) );
+ if( count( $rmself ) > 0 )
+ $out[] = wfMsgExt( 'userrights-available-remove-self', 'parseinline',
+ $wgLang->listToText( $rmself ), count( $rmself ) );
+
+ return count( $out ) > 0
+ ? implode( '<br />', $out )
+ : wfMsgExt( 'userrights-available-none', 'parseinline' );
+ }
+
+ /**
+ * Adds the <select> thingie where you can select what groups to remove
+ *
+ * @param array $groups The groups that can be removed
+ * @return string XHTML <select> element
+ */
+ private function removeSelect( $groups ) {
+ return $this->doSelect( $groups, 'removable' );
+ }
+
+ /**
+ * Adds the <select> thingie where you can select what groups to add
+ *
+ * @param array $groups The groups that can be added
+ * @return string XHTML <select> element
+ */
+ private function addSelect( $groups ) {
+ return $this->doSelect( $groups, 'available' );
+ }
+
+ /**
+ * Adds the <select> thingie where you can select what groups to add/remove
+ *
+ * @param array $groups The groups that can be added/removed
+ * @param string $name 'removable' or 'available'
+ * @return string XHTML <select> element
+ */
+ private function doSelect( $groups, $name ) {
+ $ret = wfMsgHtml( "{$this->mName}-groups$name" ) .
+ Xml::openElement( 'select', array(
+ 'name' => "{$name}[]",
+ 'multiple' => 'multiple',
+ 'size' => '6',
+ 'style' => 'width: 100%;'
+ )
+ );
+ foreach ($groups as $group) {
+ $ret .= Xml::element( 'option', array( 'value' => $group ), User::getGroupName( $group ) );
+ }
+ $ret .= Xml::closeElement( 'select' );
+ return $ret;
+ }
+
+ /**
+ * @param string $group The name of the group to check
+ * @return bool Can we remove the group?
+ */
+ private function canRemove( $group ) {
+ // $this->changeableGroups()['remove'] doesn't work, of course. Thanks,
+ // PHP.
+ $groups = $this->changeableGroups();
+ return in_array( $group, $groups['remove'] );
+ }
+
+ /**
+ * @param string $group The name of the group to check
+ * @return bool Can we add the group?
+ */
+ private function canAdd( $group ) {
+ $groups = $this->changeableGroups();
+ return in_array( $group, $groups['add'] );
+ }
+
+ /**
+ * Returns an array of the groups that the user can add/remove.
+ *
+ * @return Array array( 'add' => array( addablegroups ), 'remove' => array( removablegroups ) )
+ */
+ function changeableGroups() {
+ global $wgUser, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
+
+ if( $wgUser->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' => $wgGroupsAddToSelf,
+ 'remove-self' => $wgGroupsRemoveFromSelf);
+ $addergroups = $wgUser->getEffectiveGroups();
+
+ foreach ($addergroups as $addergroup) {
+ $groups = array_merge_recursive(
+ $groups, $this->changeableByGroup($addergroup)
+ );
+ $groups['add'] = array_unique( $groups['add'] );
+ $groups['remove'] = array_unique( $groups['remove'] );
+ }
+ return $groups;
+ }
+
+ /**
+ * 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 ) )
+ */
+ private function changeableByGroup( $group ) {
+ global $wgAddGroups, $wgRemoveGroups;
+
+ $groups = array( 'add' => array(), 'remove' => array() );
+ if( empty($wgAddGroups[$group]) ) {
+ // Don't add anything to $groups
+ } elseif( $wgAddGroups[$group] === true ) {
+ // You get everything
+ $groups['add'] = User::getAllGroups();
+ } elseif( is_array($wgAddGroups[$group]) ) {
+ $groups['add'] = $wgAddGroups[$group];
+ }
+
+ // Same thing for remove
+ if( empty($wgRemoveGroups[$group]) ) {
+ } elseif($wgRemoveGroups[$group] === true ) {
+ $groups['remove'] = User::getAllGroups();
+ } elseif( is_array($wgRemoveGroups[$group]) ) {
+ $groups['remove'] = $wgRemoveGroups[$group];
+ }
+ return $groups;
+ }
+
+ /**
+ * Show a rights log fragment for the specified user
+ *
+ * @param User $user User to show log for
+ * @param OutputPage $output OutputPage to use
+ */
+ protected function showLogFragment( $user, $output ) {
+ $viewer = new LogViewer(
+ new LogReader(
+ new FauxRequest(
+ array(
+ 'type' => 'rights',
+ 'page' => $user->getUserPage()->getPrefixedText(),
+ )
+ )
+ )
+ );
+ $output->addHtml( "<h2>" . htmlspecialchars( LogPage::logName( 'rights' ) ) . "</h2>\n" );
+ $viewer->showList( $output );
+ }
+
+}