awssdk.install

<?php
/**
 * @file
 * Provides installation functions.
 *
 * @author Jimmy Berry ("boombatower", http://drupal.org/user/214218)
 */

/**
 * Implements hook_requirements().
 */
function awssdk_requirements($phase) {
  $t = get_t();
  $requirements = array();

  // None of these requirements are relevant outside of runtime.
  if ($phase != 'runtime') {
    return $requirements;
  }

  $info = libraries_load('awssdk');
  if (!$info['loaded']) {
    $requirements['awssdk'] = array(
      'severity' => REQUIREMENT_ERROR,
      'title' => $t('AWSSDK'),
      'value' => $t('Failed to load the AWSSDK'),
      'description' => $t('Please make sure the AWSSDK library is installed in the libraries directory. Use the drush make file for easy installation.'),
    );
  }
  elseif (!$info['version'] || version_compare($info['version'], AWSSDK_MINIMUM_VERSION) < 0) {
    $requirements['awssdk'] = array(
      'severity' => REQUIREMENT_ERROR,
      'title' => $t('AWSSDK'),
      'value' => $info['version'],
      'description' => $t('Please make sure the AWSSDK library installed is @version or greater.', array('@version' => AWSSDK_MINIMUM_VERSION)),
    );
  }
  else {
    global $base_url;
    $requirements['awssdk'] = array(
      'severity' => REQUIREMENT_OK,
      'title' => $t('AWSSDK'),
      'value' => $info['version'],
    );
    $credentials = awssdk_get_credentials();
    try{
      // Ensure that the two required credentials have been set.
      $credentials->getAccessKeyId();
      $credentials->getSecretKey();
    }
    catch (Exception $e) {
      $requirements['awssdk']['severity'] = REQUIREMENT_ERROR;
      $requirements['awssdk']['description'] = $t('The required AWSSDK credentials key and secret have not been set.');

      // Add link to configuration form if ui is enabled.
      if (module_exists('awssdk_ui')) {
        $requirements['awssdk']['description'] .= ' [' . l($t('configuration'), 'admin/config/media/awssdk') . ']';
      }
    }
  }

  return $requirements;
}

/**
 * Implements hook_uninstall().
 */
function awssdk_uninstall() {
  // Remove all variables.
  $results = db_select('variable', 'v')
    ->fields('v', array('name'))
    ->condition('name', 'aws%', 'LIKE')
    ->execute();
  foreach ($results as $result) {
    variable_del($result->name);
  }
}

/**
 * Remove aws_enable_extensions variable since the settings was removed in 1.5.
 */
function awssdk_update_7500() {
  variable_del('aws_enable_extensions');
}

/**
 * Update configuration variables from 1.4.x to 1.5.x.
 */
function awssdk_update_7501() {
  $map = array(
    'aws_secret_key' => 'aws_secret',
    'aws_cloudfront_keypair_id' => 'aws_cloudfront_keypair',
    'aws_cloudfront_private_key_pem' => 'aws_cloudfront_pem',
  );
  foreach ($map as $old => $new) {
    if ($value = variable_get($old)) {
      variable_set($new, $value);
    }
    variable_del($old);
  }
}