webform_encrypt.install in Webform Encrypt 7

Contains install- and update-related functions for the Webform Encrypt module.

File

webform_encrypt.install

<?php

/**
 * @file
 * Contains install- and update-related functions for the Webform Encrypt
 * module.
 */

/**
 * Implementation of hook_disable().
 */
function webform_encrypt_disable() {
  drupal_set_message(t('Webform Encrypt has been disabled. However, all submitted data is still encrypted. Please !link to decrypt all data.', array(
    '!link' => l(t('uninstall the module'), 'admin/modules/uninstall'),
  )));
}

/**
 * Implementation of hook_uninstall().
 */
function webform_encrypt_uninstall() {
  variable_del('webform_encrypt_match_user');

  // Decrypt all encrypted form values.
  $components = array();
  $results = db_query('SELECT nid, cid, extra FROM {webform_component}')
    ->fetchAll();
  foreach ($results as $row) {
    $components[$row->nid . ':' . $row->cid] = unserialize($row->extra);
  }
  $data = db_query('SELECT nid, sid, cid, data FROM {webform_submitted_data}')
    ->fetchAll();
  foreach ($data as $row) {
    $key = $row->nid . ':' . $row->cid;
    if (!empty($components[$key]['encrypt']) && is_array(@unserialize($row->data))) {
      db_update('webform_submitted_data')
        ->fields(array(
        'data' => decrypt($row->data, array(
          'base64' => TRUE,
        )),
      ))
        ->condition('nid', $row->nid)
        ->condition('sid', $row->sid)
        ->condition('cid', $row->cid)
        ->execute();
    }
  }
}

Functions

Name	Description
webform_encrypt_disable	Implementation of hook_disable().
webform_encrypt_uninstall	Implementation of hook_uninstall().