user_permissions.module in User Permissions 5

File

user_permissions.module

<?php

/**
 * Implementation of hook_forms().
 */
function user_permissions_forms() {
  $forms['user_permissions_user_admin_new_role'] = array(
    'callback' => 'user_admin_role',
  );
  return $forms;
}

/**
 * Implementation of hook_menu().
 */
function user_permissions_menu($may_cache) {
  $items = array();
  if (!$may_cache && user_access('administer permissions')) {
    if (user_access('administer permissions')) {
      $arg = arg(1);
      $user = user_load(array(
        'uid' => $arg,
      ));
      if ($user != FALSE) {
        $items[] = array(
          'path' => 'user/' . $arg . '/permissions',
          'title' => t('User Permissions'),
          'callback' => 'drupal_get_form',
          'callback arguments' => array(
            'user_permissions_profile_permissions_form',
            $arg,
          ),
          'access' => user_access('administer permissions'),
          'type' => MENU_LOCAL_TASK,
        );
      }
    }
    $items[] = array(
      'path' => 'admin/user/roles',
      'title' => t('Roles'),
      'description' => t('List, edit, or add user roles.'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array(
        'user_permissions_user_admin_new_role',
      ),
      'access' => user_access('administer access control'),
      'type' => MENU_NORMAL_ITEM,
    );
  }
  return $items;
}

/**
 * Create form on user's profile for assigning permissions
 */
function user_permissions_profile_permissions_form($user_id) {
  $role_name = '_user_role_' . $user_id;
  $rid = db_result(db_query('SELECT rid FROM {role} WHERE name = "%s"', $role_name));
  if ($rid) {
    $form = user_admin_perm($rid);
  }
  else {
    $rid = DRUPAL_ANONYMOUS_RID;
    $form = user_admin_perm($rid);
    $form['checkboxes'][$rid]['#default_value'] = array();
    $form['role_names'][$rid]['#value'] = $role_name;
  }
  $form['role_name'] = array(
    '#type' => 'hidden',
    '#value' => $role_name,
  );
  $form['rid'] = array(
    '#type' => 'hidden',
    '#value' => $rid,
  );
  return $form;
}
function user_permissions_profile_permissions_form_submit($form_id, $form_values) {

  // if the user has a role created by this module, then update the permissions for this role
  // otherwise create the new role with the new permissions if any permissions were given
  $rid = $form_values["rid"];
  $uid = (int) substr_replace($form_values["role_name"], "", 0, 11);
  $perms = array_filter($form_values[$rid]);
  if ($rid == DRUPAL_ANONYMOUS_RID) {
    if (!empty($perms)) {

      // create new role with the name $role_name
      $role_name = $form_values["role_name"];
      db_query("INSERT INTO {role} (name) VALUES ('%s')", $role_name);
      $rid = db_result(db_query("SELECT LAST_INSERT_ID()"));
      db_query("INSERT INTO {users_roles} (uid, rid) VALUES (%d, %d)", $uid, $rid);
      db_query("INSERT INTO {permission} (rid, perm) VALUES (%d, '%s')", $rid, implode(', ', array_keys($perms)));
    }
  }
  else {
    db_query("DELETE FROM {permission} WHERE rid = %d", $rid);
    if (!empty($perms)) {
      db_query("INSERT INTO {permission} (rid, perm) VALUES (%d, '%s')", $rid, implode(', ', array_keys($perms)));
    }
    else {

      // if $perms is empty, delete all permission/role information
      // related to this role to reduce database clutter
      db_query("DELETE FROM {users_roles} WHERE uid = %d and rid = %d", $uid, $rid);
      db_query("DELETE FROM {role} WHERE rid = %d", $rid);
    }
  }
  drupal_set_message(t('The changes have been saved.'));

  // Clear the cached pages and menus:
  menu_rebuild();
}
function theme_user_permissions_profile_permissions_form($form) {
  foreach (element_children($form['permission']) as $key) {

    // Don't take form control structures
    if (is_array($form['permission'][$key])) {
      $row = array();

      // Module name
      if (is_numeric($key)) {
        $row[] = array(
          'data' => t('@module module', array(
            '@module' => drupal_render($form['permission'][$key]),
          )),
          'class' => 'module',
          'id' => 'module-' . $form['permission'][$key]['#value'],
          'colspan' => count($form['role_names']) + 1,
        );
      }
      else {
        $row[] = array(
          'data' => drupal_render($form['permission'][$key]),
          'class' => 'permission',
        );
        foreach (element_children($form['checkboxes']) as $rid) {
          if (is_array($form['checkboxes'][$rid])) {
            $row[] = array(
              'data' => drupal_render($form['checkboxes'][$rid][$key]),
              'align' => 'center',
              'title' => t($key),
            );
          }
        }
      }
      $rows[] = $row;
    }
  }
  $header[] = t('Permission');
  foreach (element_children($form['role_names']) as $rid) {
    if (is_array($form['role_names'][$rid])) {
      $header[] = drupal_render($form['role_names'][$rid]);
    }
  }
  $output = theme('table', $header, $rows, array(
    'id' => 'permissions',
  ));
  $output .= drupal_render($form);
  return $output;
}
function user_permissions_form_alter($form_id, &$form) {
  if ($form_id == 'user_filter_form') {
    if (is_array($form['filters']['status']['role']['#options'])) {
      foreach ($form['filters']['status']['role']['#options'] as $key => $value) {
        if (strpos($value, "_user_role_") !== FALSE) {
          unset($form['filters']['status']['role']['#options'][$key]);
        }
      }
    }
  }
  if ($form_id == 'user_admin_account') {
    if (is_array($form['options']['operation']['#options']['Add a role to the selected users']) && is_array($form['options']['operation']['#options']['Remove a role from the selected users'])) {
      foreach ($form['options']['operation']['#options']['Add a role to the selected users'] as $key => $value) {
        if (strpos($value, "_user_role_") !== FALSE) {
          unset($form['options']['operation']['#options']['Add a role to the selected users'][$key]);
        }
      }
      foreach ($form['options']['operation']['#options']['Remove a role from the selected users'] as $key => $value) {
        if (strpos($value, "_user_role_") !== FALSE) {
          unset($form['options']['operation']['#options']['Remove a role from the selected users'][$key]);
        }
      }
    }
  }
  if ($form_id == 'user_admin_perm') {
    $role_id_filter = array();
    foreach (user_roles() as $key => $value) {
      if (strpos($value, "_user_role_") !== FALSE) {
        $role_id_filter[] = $key;
      }
    }
    foreach ($form['checkboxes'] as $key => $value) {
      if (in_array($key, $role_id_filter)) {
        unset($form['checkboxes'][$key]);
      }
    }
    foreach ($form['role_names'] as $key => $value) {
      if (in_array($key, $role_id_filter)) {
        unset($form['role_names'][$key]);
      }
    }
  }
}

/**
 * Theme user_permissions_user_admin_new_role
 */
function theme_user_permissions_user_admin_new_role($form) {
  $header = array(
    t('Name'),
    array(
      'data' => t('Operations'),
      'colspan' => 2,
    ),
  );
  foreach (user_roles() as $rid => $name) {
    $edit_permissions = l(t('edit permissions'), 'admin/user/access/' . $rid);
    if (!in_array($rid, array(
      DRUPAL_ANONYMOUS_RID,
      DRUPAL_AUTHENTICATED_RID,
    ))) {
      if (strpos($name, '_user_role_') === FALSE) {
        $rows[] = array(
          $name,
          l(t('edit role'), 'admin/user/roles/edit/' . $rid),
          $edit_permissions,
        );
      }
    }
    else {
      $rows[] = array(
        $name,
        t('locked'),
        $edit_permissions,
      );
    }
  }
  $rows[] = array(
    drupal_render($form['name']),
    array(
      'data' => drupal_render($form['submit']),
      'colspan' => 2,
    ),
  );
  $output = drupal_render($form);
  $output .= theme('table', $header, $rows);
  return $output;
}

Functions

Name	Description
theme_user_permissions_profile_permissions_form
theme_user_permissions_user_admin_new_role	Theme user_permissions_user_admin_new_role
user_permissions_forms	Implementation of hook_forms().
user_permissions_form_alter
user_permissions_menu	Implementation of hook_menu().
user_permissions_profile_permissions_form	Create form on user's profile for assigning permissions
user_permissions_profile_permissions_form_submit