/**
* Set some special overrides for Acquia Search
*/
public function setConnectionOptions()
{
// Modify connection details live on every connect so we do not need to
// resave the server details if we make modifications in settings.php.
$identifier = acquia_agent_settings('acquia_identifier');
$subscription = acquia_agent_settings('acquia_subscription_data');
$search_host = variable_get('acquia_search_host', '');
if (!empty($subscription['heartbeat_data']['search_service_colony'])) {
$search_host = $subscription['heartbeat_data']['search_service_colony'];
}
// Get our default port
$search_port = variable_get('acquia_search_port', '80');
// Get our solr path
$search_path = variable_get('acquia_search_path', '/solr/' . $identifier);
$this->options['host'] = $search_host;
$this->options['path'] = $search_path;
$this->options['port'] = $search_port;
// We can also have overrides per server setting.
// Apply the overrides in the "search_api_acquia_overrides" variable.
$name = $this->server->machine_name;
$overrides = variable_get('search_api_acquia_overrides', array());
if (isset($overrides[$name]) && is_array($overrides[$name])) {
$this->options = array_merge($this->options, $overrides[$name]);
}
}
/**
* Derive a key for the solr hmac using the information shared with
* acquia.com.
*
* @see _acquia_search_derived_key()
*/
public function getDerivedKey()
{
if (!isset($this->derivedKey)) {
$key = acquia_agent_settings('acquia_key');
$subscription = acquia_agent_settings('acquia_subscription_data');
$identifier = acquia_agent_settings('acquia_identifier');
// We use a salt from acquia.com in key derivation since this is a shared
// value that we could change on the AN side if needed to force any
// or all clients to use a new derived key. We also use a string
// ('solr') specific to the service, since we want each service using a
// derived key to have a separate one.
if (empty($subscription['active']) || empty($key) || empty($identifier)) {
// Expired or invalid subscription - don't continue.
$this->derivedKey = '';
} else {
$salt = isset($subscription['derived_key_salt']) ? $subscription['derived_key_salt'] : '';
$derivation_string = $identifier . 'solr' . $salt;
$this->derivedKey = hash_hmac('sha1', str_pad($derivation_string, 80, $derivation_string), $key);
}
}
return $this->derivedKey;
}