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admin/phpMyAdmin/libraries/classes/Server/UserGroups.php
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358
admin/phpMyAdmin/libraries/classes/Server/UserGroups.php
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<?php
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/**
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* set of functions for user group handling
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Server;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Relation;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Url;
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use PhpMyAdmin\Util;
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use function htmlspecialchars;
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use function implode;
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use function in_array;
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use function mb_substr;
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use function substr;
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/**
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* PhpMyAdmin\Server\UserGroups class
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*/
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class UserGroups
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{
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/**
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* Return HTML to list the users belonging to a given user group
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*
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* @param string $userGroup user group name
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*
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* @return string HTML to list the users belonging to a given user group
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*/
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public static function getHtmlForListingUsersofAGroup(string $userGroup): string
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{
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global $dbi;
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$users = [];
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$numRows = 0;
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$relation = new Relation($dbi);
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$userGroupSpecialChars = htmlspecialchars($userGroup);
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$cfgRelation = $relation->getRelationsParam();
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$usersTable = Util::backquote($cfgRelation['db'])
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. '.' . Util::backquote($cfgRelation['users']);
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$sql_query = 'SELECT `username` FROM ' . $usersTable
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. " WHERE `usergroup`='" . $dbi->escapeString($userGroup)
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. "'";
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$result = $relation->queryAsControlUser($sql_query, false);
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if ($result) {
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$numRows = $dbi->numRows($result);
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if ($numRows != 0) {
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$i = 0;
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while ($row = $dbi->fetchRow($result)) {
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$i++;
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$user = [];
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$user['count'] = $i;
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$user['user'] = $row[0];
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$users[] = $user;
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}
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}
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}
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$dbi->freeResult($result);
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$template = new Template();
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return $template->render('server/user_groups/user_listings', [
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'user_group_special_chars' => $userGroupSpecialChars,
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'num_rows' => $numRows,
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'users' => $users,
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]);
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}
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/**
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* Returns HTML for the 'user groups' table
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*
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* @return string HTML for the 'user groups' table
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*/
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public static function getHtmlForUserGroupsTable(): string
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{
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global $dbi;
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$relation = new Relation($dbi);
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$cfgRelation = $relation->getRelationsParam();
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$groupTable = Util::backquote($cfgRelation['db'])
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. '.' . Util::backquote($cfgRelation['usergroups']);
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$sql_query = 'SELECT * FROM ' . $groupTable . ' ORDER BY `usergroup` ASC';
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$result = $relation->queryAsControlUser($sql_query, false);
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$numRows = $dbi->numRows($result);
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$userGroups = [];
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$userGroupsValues = [];
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$action = Url::getFromRoute('/server/privileges');
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$hidden_inputs = null;
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if ($result && $numRows) {
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$hidden_inputs = Url::getHiddenInputs();
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while ($row = $dbi->fetchAssoc($result)) {
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$groupName = $row['usergroup'];
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if (! isset($userGroups[$groupName])) {
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$userGroups[$groupName] = [];
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}
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$userGroups[$groupName][$row['tab']] = $row['allowed'];
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}
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foreach ($userGroups as $groupName => $tabs) {
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$userGroupVal = [];
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$userGroupVal['name'] = htmlspecialchars((string) $groupName);
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$userGroupVal['serverTab'] = self::getAllowedTabNames($tabs, 'server');
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$userGroupVal['dbTab'] = self::getAllowedTabNames($tabs, 'db');
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$userGroupVal['tableTab'] = self::getAllowedTabNames($tabs, 'table');
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$userGroupVal['userGroupUrl'] = Url::getFromRoute('/server/user-groups');
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$userGroupVal['viewUsersUrl'] = Url::getCommon(
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[
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'viewUsers' => 1,
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'userGroup' => $groupName,
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],
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''
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);
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$userGroupVal['viewUsersIcon'] = Generator::getIcon('b_usrlist', __('View users'));
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$userGroupVal['editUsersUrl'] = Url::getCommon(
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[
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'editUserGroup' => 1,
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'userGroup' => $groupName,
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],
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''
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);
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$userGroupVal['editUsersIcon'] = Generator::getIcon('b_edit', __('Edit'));
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$userGroupVal['deleteUsersUrl'] = Url::getCommon(
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[
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'deleteUserGroup' => 1,
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'userGroup' => $groupName,
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],
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''
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);
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$userGroupVal['deleteUsersIcon'] = Generator::getIcon('b_drop', __('Delete'));
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$userGroupsValues[] = $userGroupVal;
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}
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}
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$addUserUrl = Url::getFromRoute('/server/user-groups', ['addUserGroup' => 1]);
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$addUserIcon = Generator::getIcon('b_usradd');
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$dbi->freeResult($result);
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$template = new Template();
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return $template->render('server/user_groups/user_groups', [
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'action' => $action,
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'hidden_inputs' => $hidden_inputs ?? '',
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'result' => $result,
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'has_rows' => $numRows,
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'user_groups_values' => $userGroupsValues,
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'add_user_url' => $addUserUrl,
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'add_user_icon' => $addUserIcon,
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]);
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}
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/**
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* Returns the list of allowed menu tab names
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* based on a data row from usergroup table.
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*
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* @param array $row row of usergroup table
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* @param string $level 'server', 'db' or 'table'
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*
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* @return string comma separated list of allowed menu tab names
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*/
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public static function getAllowedTabNames(array $row, string $level): string
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{
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$tabNames = [];
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$tabs = Util::getMenuTabList($level);
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foreach ($tabs as $tab => $tabName) {
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if (isset($row[$level . '_' . $tab])
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&& $row[$level . '_' . $tab] !== 'Y'
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) {
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continue;
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}
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$tabNames[] = $tabName;
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}
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return implode(', ', $tabNames);
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}
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/**
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* Deletes a user group
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*
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* @param string $userGroup user group name
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*/
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public static function delete(string $userGroup): void
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{
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global $dbi;
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$relation = new Relation($dbi);
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$cfgRelation = $relation->getRelationsParam();
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$userTable = Util::backquote($cfgRelation['db'])
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. '.' . Util::backquote($cfgRelation['users']);
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$groupTable = Util::backquote($cfgRelation['db'])
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. '.' . Util::backquote($cfgRelation['usergroups']);
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$sql_query = 'DELETE FROM ' . $userTable
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. " WHERE `usergroup`='" . $dbi->escapeString($userGroup)
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. "'";
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$relation->queryAsControlUser($sql_query, true);
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$sql_query = 'DELETE FROM ' . $groupTable
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. " WHERE `usergroup`='" . $dbi->escapeString($userGroup)
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. "'";
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$relation->queryAsControlUser($sql_query, true);
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}
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/**
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* Returns HTML for add/edit user group dialog
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*
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* @param string $userGroup name of the user group in case of editing
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*
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* @return string HTML for add/edit user group dialog
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*/
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public static function getHtmlToEditUserGroup(?string $userGroup = null): string
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{
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global $dbi;
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$relation = new Relation($dbi);
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$urlParams = [];
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$editUserGroupSpecialChars = '';
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if ($userGroup !== null) {
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$editUserGroupSpecialChars = htmlspecialchars($userGroup);
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}
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if ($userGroup !== null) {
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$urlParams['userGroup'] = $userGroup;
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$urlParams['editUserGroupSubmit'] = '1';
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} else {
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$urlParams['addUserGroupSubmit'] = '1';
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}
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$allowedTabs = [
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'server' => [],
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'db' => [],
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'table' => [],
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];
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if ($userGroup !== null) {
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$cfgRelation = $relation->getRelationsParam();
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$groupTable = Util::backquote($cfgRelation['db'])
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. '.' . Util::backquote($cfgRelation['usergroups']);
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$sql_query = 'SELECT * FROM ' . $groupTable
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. " WHERE `usergroup`='" . $dbi->escapeString($userGroup)
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. "'";
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$result = $relation->queryAsControlUser($sql_query, false);
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if ($result) {
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while ($row = $dbi->fetchAssoc($result)) {
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$key = $row['tab'];
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$value = $row['allowed'];
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if (substr($key, 0, 7) === 'server_' && $value === 'Y') {
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$allowedTabs['server'][] = mb_substr($key, 7);
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} elseif (substr($key, 0, 3) === 'db_' && $value === 'Y') {
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$allowedTabs['db'][] = mb_substr($key, 3);
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} elseif (substr($key, 0, 6) === 'table_'
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&& $value === 'Y'
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) {
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$allowedTabs['table'][] = mb_substr($key, 6);
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}
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}
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}
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$dbi->freeResult($result);
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}
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$tabList = self::getTabList(
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__('Server-level tabs'),
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'server',
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$allowedTabs['server']
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);
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$tabList .= self::getTabList(
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__('Database-level tabs'),
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'db',
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$allowedTabs['db']
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);
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$tabList .= self::getTabList(
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__('Table-level tabs'),
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'table',
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$allowedTabs['table']
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);
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$template = new Template();
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return $template->render('server/user_groups/edit_user_groups', [
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'user_group' => $userGroup,
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'edit_user_group_special_chars' => $editUserGroupSpecialChars,
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'user_group_url' => Url::getFromRoute('/server/user-groups'),
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'hidden_inputs' => Url::getHiddenInputs($urlParams),
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'tab_list' => $tabList,
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]);
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}
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/**
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* Returns HTML for checkbox groups to choose
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* tabs of 'server', 'db' or 'table' levels.
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*
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* @param string $title title of the checkbox group
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* @param string $level 'server', 'db' or 'table'
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* @param array $selected array of selected allowed tabs
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*
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* @return string HTML for checkbox groups
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*/
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public static function getTabList(string $title, string $level, array $selected): string
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{
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$tabs = Util::getMenuTabList($level);
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$tabDetails = [];
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foreach ($tabs as $tab => $tabName) {
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$tabDetail = [];
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$tabDetail['in_array'] = (in_array($tab, $selected) ? ' checked="checked"' : '');
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$tabDetail['tab'] = $tab;
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$tabDetail['tab_name'] = $tabName;
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$tabDetails[] = $tabDetail;
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}
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$template = new Template();
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return $template->render('server/user_groups/tab_list', [
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'title' => $title,
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'level' => $level,
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'tab_details' => $tabDetails,
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]);
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}
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/**
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* Add/update a user group with allowed menu tabs.
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*
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* @param string $userGroup user group name
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* @param bool $new whether this is a new user group
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*/
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public static function edit(string $userGroup, bool $new = false): void
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{
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global $dbi;
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$relation = new Relation($dbi);
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$tabs = Util::getMenuTabList();
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$cfgRelation = $relation->getRelationsParam();
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$groupTable = Util::backquote($cfgRelation['db'])
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. '.' . Util::backquote($cfgRelation['usergroups']);
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if (! $new) {
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$sql_query = 'DELETE FROM ' . $groupTable
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. " WHERE `usergroup`='" . $dbi->escapeString($userGroup)
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. "';";
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$relation->queryAsControlUser($sql_query, true);
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}
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$sql_query = 'INSERT INTO ' . $groupTable
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. '(`usergroup`, `tab`, `allowed`)'
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. ' VALUES ';
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$first = true;
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foreach ($tabs as $tabGroupName => $tabGroup) {
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foreach ($tabGroup as $tab => $tabName) {
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if (! $first) {
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$sql_query .= ', ';
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}
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$tabName = $tabGroupName . '_' . $tab;
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$allowed = isset($_POST[$tabName]) && $_POST[$tabName] === 'Y';
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$sql_query .= "('" . $dbi->escapeString($userGroup) . "', '" . $tabName . "', '"
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. ($allowed ? 'Y' : 'N') . "')";
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$first = false;
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}
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}
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$sql_query .= ';';
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$relation->queryAsControlUser($sql_query, true);
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}
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}
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