var $action;
/** Constructor*/
- function UserrightsForm ( &$request ) {
+ public function __construct( &$request ) {
$this->mPosted = $request->wasPosted();
$this->mRequest =& $request;
$this->mName = 'userrights';
if(isset($removegroup)) {
$newGroups = array_diff($newGroups, $removegroup);
foreach( $removegroup as $group ) {
- $u->removeGroup( $group );
+ if ( $this->canRemove( $group ) ) {
+ $u->removeGroup( $group );
+ }
}
}
if(isset($addgroup)) {
$newGroups = array_merge($newGroups, $addgroup);
foreach( $addgroup as $group ) {
- $u->addGroup( $group );
+ if ( $this->canAdd( $group ) ) {
+ $u->addGroup( $group );
+ }
}
}
$newGroups = array_unique( $newGroups );
wfDebug( 'oldGroups: ' . print_r( $oldGroups, true ) );
wfDebug( 'newGroups: ' . print_r( $newGroups, true ) );
- wfRunHooks( 'UserRights', array( &$u, $addgroup, $removegroup ) );
+ wfRunHooks( 'UserRights', array( &$u, $addgroup, $removegroup ) );
$log = new LogPage( 'rights' );
$log->addEntry( 'rights', Title::makeTitle( NS_USER, $u->getName() ), $reason, array( $this->makeGroupNameList( $oldGroups ),
$this->makeGroupNameList( $newGroups ) ) );
*/
function editUserGroupsForm($username) {
global $wgOut;
-
+
$user = User::newFromName($username);
if( is_null( $user ) ) {
$wgOut->addWikiText( wfMsg( 'nouserspecified' ) );
return;
}
- $groups = $user->getGroups();
- $this->showEditUserGroupsForm( $username, $groups );
+ list($addable, $removable) = array_values( $this->changeableGroups() );
+ $removable = array_intersect($removable, $user->getGroups()); // Can't remove groups the user doesn't have
+ $addable = array_diff( $addable, $user->getGroups()); // Can't add groups the user does have
+
+ $this->showEditUserGroupsForm( $username, $addable, $removable );
}
-
- function showEditUserGroupsForm( $username, $groups ) {
+
+ /**
+ * Show the form to edit group memberships.
+ *
+ * @todo make all CSS-y and semantic
+ * @param $username String: Name of user you're editing
+ * @param $addable Array: Array of groups that can be added
+ * @param $removable Array: Array of groups that can be removed
+ */
+ private function showEditUserGroupsForm( $username, $addable, $removable ) {
global $wgOut, $wgUser;
+
$wgOut->addHTML(
Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->action, 'name' => 'editGroup' ) ) .
Xml::hidden( 'user-editname', $username ) .
Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', array(), wfMsg( 'userrights-editusergroup' ) ) .
$wgOut->parse( wfMsg( 'editinguser', $username ) ) .
+ $this->explainRights() .
"<table border='0'>
<tr>
<td></td>
<td>
<table width='400'>
<tr>
- <td width='50%'>" . HTMLSelectGroups( 'member', $this->mName.'-groupsmember', $groups, true, 6 ) . "</td>
- <td width='50%'>" . HTMLSelectGroups( 'available', $this->mName.'-groupsavailable', $groups, true, 6, true) . "</td>
+ <td width='50%'>" . $this->removeSelect( $removable ) . "</td>
+ <td width='50%'>" . $this->addSelect( $addable ) . "</td>
</tr>
</table>
</tr>
Xml::closeElement( 'form' ) . "\n"
);
}
+
+ /**
+ * Explains what groups the user can add and remove, and why.
+ *
+ * @return string Explanatory sanitized HTML message
+ */
+ private function explainRights() {
+ global $wgUser;
+ $groups = $wgUser->getEffectiveGroups();
+ foreach( $groups as $group ) {
+ if( $this->changeableByGroup( $group ) == array(
+ 'add' => array(),
+ 'remove' => array()
+ ) ) {
+ // Can't add or remove anything, ignore this group
+ $groups = array_diff( $groups, array( $group ) );
+ }
+ }
+ $grouplists = array( $groups );
+ list( $grouplists[1], $grouplists[2] ) = array_values( $this->changeableGroups() );
+
+ // Now format them nicely for display (yay mutable variables? I'm sick
+ // of thinking up new names)
+ foreach( $grouplists as &$list ) {
+ if( $list == array() ) {
+ $list = wfMsgExt( 'userrights-list-nogroups', 'parseinline' );
+ } else {
+ $list = wfMsgExt(
+ 'userrights-list-groups',
+ 'parseinline',
+ count( $list ),
+ implode(
+ $list,
+ wfMsgHtml( 'userrights-list-separator' )
+ )
+ );
+ }
+ }
+
+ return wfMsgExt(
+ 'userrights-list',
+ 'parse',
+ $grouplists[0],
+ $grouplists[1],
+ $grouplists[2]
+ );
+
+ }
+
+ /**
+ * 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, 'member' );
+ }
+
+ /**
+ * 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 'member' 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 ) )
+ */
+ private function changeableGroups() {
+ global $wgUser, $wgGroupPermissions;
+
+ $groups = array( 'add' => array(), 'remove' => array() );
+ $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 $wgGroupPermissions, $wgAddGroups, $wgRemoveGroups;
+
+ if( empty($wgGroupPermissions[$group]['userrights']) ) {
+ // This group doesn't give the right to modify anything
+ return array( 'add' => array(), 'remove' => array() );
+ }
+ if( empty($wgAddGroups[$group]) and empty($wgRemoveGroups[$group]) ) {
+ // This group gives the right to modify everything (reverse-
+ // compatibility with old "userrights lets you change
+ // everything")
+ return array(
+ 'add' => User::getAllGroups(),
+ 'remove' => User::getAllGroups()
+ );
+ }
+
+ // Okay, it's not so simple, we have to go through the arrays
+ $groups = array( 'add' => array(), 'remove' => array() );
+ if( empty($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;
+ }
} // end class UserrightsForm
?>