function sess_read in Drupal 4

Same name and namespace in other branches

1. 5 includes/session.inc \sess_read()
2. 6 includes/session.inc \sess_read()

1 string reference to 'sess_read'

_drupal_bootstrap in includes/bootstrap.inc

File

includes/session.inc, line 16

User session handling functions.

Code

function sess_read($key) {
  global $user;

  // Write and Close handlers are called after destructing objects since PHP 5.0.5
  // Thus destructors can use sessions but session handler can't use objects.
  // So we are moving session closure before destructing objects.
  register_shutdown_function('session_write_close');

  // retrieve data for a $user object
  $result = db_query("SELECT sid FROM {sessions} WHERE sid = '%s'", $key);
  if (!db_num_rows($result)) {
    $result = db_query("SELECT u.* FROM {users} u WHERE u.uid = 0");
  }
  else {
    $result = db_query("SELECT u.*, s.* FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.sid = '%s'", $key);
  }

  // Build $user object:
  $user = db_fetch_object($result);
  $user = drupal_unpack($user);

  // Add roles element to $user:
  $user->roles = array();
  if ($user->uid) {
    $user->roles[DRUPAL_AUTHENTICATED_RID] = 'authenticated user';
    $result = db_query("SELECT r.rid, r.name FROM {role} r INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid = %d", $user->uid);
    while ($role = db_fetch_object($result)) {
      $user->roles[$role->rid] = $role->name;
    }
  }
  else {
    $user->roles[DRUPAL_ANONYMOUS_RID] = 'anonymous user';
  }
  return !empty($user->session) ? $user->session : '';
}