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<?php
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/**
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* @file
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* masquerade.install
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*
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* Install, uninstall and update hooks for the Masquarade module.
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*/
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/**
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* Implements hook_schema().
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*
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* @return array
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*/
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function masquerade_schema() {
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return array(
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'masquerade' => array(
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'description' => 'Each masquerading user has their session recorded into the masquerade table. Each record represents a masquerading user.',
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'fields' => array(
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'sid' => array(
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'description' => 'The current session for this masquerading user corresponding to their {sessions}.sid.',
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'type' => 'varchar',
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'length' => '64',
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'not null' => TRUE,
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'default' => ''),
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'uid_from' => array(
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'description' => 'The {users}.uid corresponding to a session.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '10'),
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'uid_as' => array(
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'description' => 'The {users}.uid this session is masquerading as.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => '10'),
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),
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'indexes' => array(
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'sid' => array('sid', 'uid_from'),
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'sid_2' => array('sid', 'uid_as'),
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),
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),
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'masquerade_users' => array(
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'description' => 'Per-user permission table granting permissions to switch as a specific user.',
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'fields' => array(
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'uid_from' => array(
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'description' => 'The {users}.uid that can masquerade as {masquerade_users}.uid_to.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => 10,
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),
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'uid_to' => array(
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'description' => 'The {users}.uid that {masquerade_users}.uid_from can masquerade as.',
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => 10,
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),
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),
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'primary key' => array('uid_from', 'uid_to'),
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),
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);
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}
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/**
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* Implements hook_install().
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*/
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function masquerade_install() {
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db_update('system')
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->fields(array('weight' => -10))
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->condition('name', 'masquerade')
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->execute();
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}
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/**
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* Implements hook_uninstall().
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*/
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function masquerade_uninstall() {
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variable_del('masquerade_test_user');
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variable_del('masquerade_admin_roles');
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variable_del('masquerade_quick_switches');
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}
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/**
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* Reformat variable value.
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*/
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function masquerade_update_6001() {
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variable_set('masquerade_quick_switches', implode(',', variable_get('masquerade_quick_switches', array())));
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}
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/**
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* Make the sid column match the length of the core sessions table (64 characters).
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*/
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function masquerade_update_6002() {
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db_drop_index('masquerade', 'sid');
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db_drop_index('masquerade', 'sid_2');
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db_change_field('masquerade', 'sid', 'sid', array(
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'type' => 'varchar',
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'length' => '64',
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'not null' => TRUE,
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'default' => '')
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);
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db_add_index('masquerade', 'sid', array('sid', 'uid_from'));
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db_add_index('masquerade', 'sid_2', array('sid', 'uid_as'));
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}
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/**
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* Change masquerade_quick_switches variable to store a serialized array of
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* user ID's. Reverts update 6001.
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*/
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function masquerade_update_6003() {
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$users = variable_get('masquerade_quick_switches', NULL);
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if (!empty($users)) {
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$user_ids = drupal_explode_tags($users);
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if (!empty($user_ids)) {
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variable_set('masquerade_quick_switches', $user_ids);
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}
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}
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else {
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variable_del('masquerade_quick_switches');
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}
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}
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/**
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* Set the weight of the masquerade module to -10, but only if it hasn't
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* previously been changed.
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*/
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function masquerade_update_6004() {
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db_update('system')
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->fields(array('weight' => -10))
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->condition('name', 'masquerade')
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->execute();
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}
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/**
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* Add a table storing specific user pairings a user can masquerade as.
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*/
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function masquerade_update_6005() {
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$schema = array(
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'masquerade_users' => array(
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'fields' => array(
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'uid_from' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => 10,
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),
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'uid_to' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'disp-width' => 10,
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),
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),
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'primary key' => array('uid_from', 'uid_to'),
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)
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);
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db_create_table('masquerade_users', $schema['masquerade_users']);
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}
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/**
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* Update masquerade block delta.
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*/
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function masquerade_update_7000() {
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db_update('block')
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->fields(array('delta' => 'masquerade'))
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->condition('module', 'masquerade')
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->condition('delta', 0)
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->execute();
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}
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/**
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* Update masquerade block caching.
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*/
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function masquerade_update_7001() {
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db_update('block')
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->fields(array('cache' => DRUPAL_NO_CACHE))
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->condition('module', 'masquerade')
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->condition('delta', 'masquerade')
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->execute();
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}
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