/**
* Attach
*
* Attaches observers by filter type.
* Takes a valid user defined callback function for use by PHP's call_user_func_array
*
* @param $filter_name string
* @param $observer mixed can be a function name or function array
* @return bool
*/
function attachFilter($filter_name, $observer, $priority = 10)
{
$id = owa_lib::generateRandomUid();
$this->listenersByFilterType[$filter_name][$priority][] = $id;
$this->listeners[$id] = $observer;
}
function getSiteSpecificGuid($site_id)
{
return owa_lib::generateRandomUid();
}
/**
* Constructor
*
*/
function __construct()
{
$this->timestamp = time();
$this->guid = owa_lib::generateRandomUid();
// php's server variables
$this->server = $_SERVER;
// files
if (!empty($_FILES)) {
$this->files = $_FILES;
}
// setup cookies
$this->cookies = array();
// look for access to the raw HTTP cookie string. This is needed becuause OWA can set settings cookies
// with the same name under different subdomains. Multiple cookies with the same name are not
// available under $_COOKIE. Therefor OWA's cookie conainter must be an array of arrays.
if (isset($_SERVER['HTTP_COOKIE']) && strpos($_SERVER['HTTP_COOKIE'], ';')) {
$raw_cookie_array = explode(';', $_SERVER['HTTP_COOKIE']);
foreach ($raw_cookie_array as $raw_cookie) {
$nvp = explode('=', trim($raw_cookie));
$this->cookies[$nvp[0]][] = urldecode($nvp[1]);
}
} else {
// just use the normal cookie global
if ($_COOKIE && is_array($_COOKIE)) {
foreach ($_COOKIE as $n => $v) {
// hack against other frameworks sanitizing cookie data and blowing away our '>' delimiter
// this should be removed once all cookies are using json format.
if (strpos($v, '>')) {
$v = str_replace(">", ">", $v);
}
$cookies[$n][] = $v;
}
}
}
// populate owa_cookie container with just the cookies that have the owa namespace.
$this->owa_cookies = owa_lib::stripParams($this->cookies, owa_coreAPI::getSetting('base', 'ns'));
// session
if (!empty($_SESSION)) {
$this->session = $_SESSION;
}
/* STATE CONTAINER */
// state
$this->state = owa_coreAPI::supportClassFactory('base', 'state');
// merges session
if (!empty($this->session)) {
$this->state->addStores(owa_lib::stripParams($this->session, owa_coreAPI::getSetting('base', 'ns')));
}
// merges cookies
foreach ($this->owa_cookies as $k => $owa_cookie) {
$this->state->setInitialState($k, $owa_cookie);
}
// create request params from GET or POST or CLI args
$params = array();
// use GET vars as the base for the request
if (isset($_GET) && !empty($_GET)) {
// get params from _GET
$params = $_GET;
$this->request_type = 'get';
}
// merge in POST vars. GET and POST can occure on the same request.
if (isset($_POST) && !empty($_POST)) {
// get params from _GET
$params = array_merge($params, $_POST);
$this->request_type = 'post';
}
// look for command line arguments in the 'argv' index.
if (!$this->request_type && isset($_SERVER['argv'])) {
$this->cli_args = $_SERVER['argv'];
// parse arguments into key value pairs
for ($i = 1; $i < count($this->cli_args); $i++) {
$it = explode("=", $this->cli_args[$i]);
if (isset($it[1])) {
$params[$it[0]] = $it[1];
} else {
$params[$it[0]] = '';
}
}
$this->request_type = 'cli';
}
if ($this->request_type === 'get' || $this->request_type === 'post') {
$this->current_url = owa_lib::get_current_url();
}
// Clean Input arrays
$this->request = owa_lib::inputFilter($params);
// get namespace
$ns = owa_coreAPI::getSetting('base', 'ns');
// strip action and do params of nasty include exploits.
if (array_key_exists($ns . 'action', $this->request)) {
$this->request[$ns . 'action'] = owa_lib::fileInclusionFilter($this->request[$ns . 'action']);
}
if (array_key_exists($ns . 'do', $this->request)) {
$this->request[$ns . 'do'] = owa_lib::fileInclusionFilter($this->request[$ns . 'do']);
}
// strip owa namespace
$this->owa_params = owa_lib::stripParams($this->request, $ns);
// translate certain request variables that are reserved in javascript
$this->owa_params = owa_lib::rekeyArray($this->owa_params, array_flip(owa_coreAPI::getSetting('base', 'reserved_words')));
// set https flag
if (isset($_SERVER['HTTPS'])) {
$this->is_https = true;
}
}
function generateRandomUid($seed = '')
{
return owa_lib::generateRandomUid();
//return crc32($_SERVER['SERVER_ADDR'].$_SERVER['SERVER_NAME'].getmypid().$this->getTableName().microtime().$seed.rand());
}
