/**
* Returns the object identified by $objectId
*
* @param string $objectId
*
* @return mixed value
*/
public function load($objectId)
{
$success = null;
$value = $this->adapter->getItem($objectId, $success);
if ($success) {
return $value;
}
return null;
}
/**
* Get an item.
*
* @param string $cacheId
* @param bool $withVersion
* @param bool $success
*
* @return mixed Data on success, null on failure
*/
public function getItem($cacheId, $withVersion = true, &$success = null)
{
if ($withVersion) {
$cacheId .= '.' . $this->getVersion();
}
if (!$this->cache->hasItem($cacheId)) {
$success = false;
return null;
}
$success = null;
$data = $this->cache->getItem($cacheId, $success);
if (!$success) {
$success = false;
return null;
}
if (!isset($data['content'])) {
$success = false;
return null;
}
$success = true;
return unserialize($data['content']);
}
/**
* Tests to see if:
* - see if this is a debug request with appropriately formed pid, else
* - see if the cookie for the per user test has been set so we can record the results and add to the session
* - see if a session has already been opened for the request browser, if so send the info back, else
* - see if the cookie for the full test has been set so we can build the profile, if so build the profile &
* send the info back, else
* - see if this browser reports being a spider, doesn't support JS or doesn't support cookies
* - see if detector can find an already created profile for the browser, if so send the info back, else
* - start the process for building a profile for this unknown browser
*
* @param string|array|\Wurfl\Request\GenericRequest $request
*
* @return null|\stdClass an object that contains all the properties for this particular user agent
*/
public function build($request = null)
{
$request = $this->initRequest($request);
$sessionID = md5($request->getBrowserUserAgent() . '-session-' . $this->coreVersion . '-' . $this->extendedVersion);
$pid = isset($_REQUEST['pid']) && preg_match('/[a-z0-9]{32}/', $_REQUEST['pid']) ? $_REQUEST['pid'] : false;
// offer the ability to review profiles saved in the system
if ($pid) {
$this->foundIn = 'archive';
// decode the core data
$info = json_decode(@file_get_contents(__DIR__ . '/' . $this->uaDir . 'ua.' . $pid . '.json'));
if ($info instanceof \stdClass) {
// some general properties
$info->nojs = false;
$info->nocookies = false;
// put the merged JSON info into session
if (isset($_SESSION)) {
$_SESSION[$sessionID] = $info;
}
// return to the script
// return $info;
}
}
$cacheId = hash('sha512', $request->getDeviceUserAgent() . '||||' . $request->getBrowserUserAgent());
$result = null;
$success = false;
$info = $this->cache->getItem($cacheId, $success);
// populate some variables specific to build()
$uaHash = md5($request->getBrowserUserAgent());
$uaFile = __DIR__ . '/' . $this->uaDir . $this->uaDir() . 'ua.' . $uaHash . '.json';
if ($success && $info instanceof \stdClass) {
$this->foundIn = 'cache';
$this->save($request, $info, $uaFile, $cacheId);
// send the data back to the script to be used
//return $info;
}
session_id($sessionID);
if (@session_start() && isset($_SESSION) && isset($_SESSION[$sessionID])) {
$this->foundIn = 'session';
$info = $_SESSION[$sessionID];
$this->save($request, $info, $uaFile, $cacheId);
// send the data back to the script to be used
//return $info;
}
$cookieID = $this->getCookieId($request);
$modernizrData = Modernizr::getData($cookieID);
if ($this->checkSpider($request) || isset($_REQUEST['nojs']) && $_REQUEST['nojs'] === 'true' || isset($_REQUEST['nocookies']) && $_REQUEST['nocookies'] === 'true') {
$this->foundIn = 'nojs';
// use ua-parser to set-up the basic properties for this UA, populate other core properties
// include the basic properties of the UA
$info = $this->createUAProperties($request);
$info->uaHash = $uaHash;
$info->coreVersion = $this->coreVersion;
if (null !== $modernizrData) {
foreach ($modernizrData as $property => $value) {
$info->{$property} = $value;
}
}
// some general properties
$info->nojs = false;
$info->nocookies = false;
// add an attribute to the object in case no js or no cookies was sent
if (isset($_REQUEST['nojs']) && $_REQUEST['nojs'] == 'true') {
$info->nojs = true;
} else {
if (isset($_REQUEST['nocookies']) && $_REQUEST['nocookies'] == 'true') {
$info->nocookies = true;
}
}
// try setting the session unless cookies are actively not supported
if (!(isset($_REQUEST['nocookies']) && $_REQUEST['nocookies'] == 'true') && isset($_SESSION)) {
$_SESSION[$sessionID] = $info;
}
$this->save($request, $info, $uaFile, $cacheId);
// return the collected data to the script for use in this go around
return $info;
}
if (null !== $modernizrData) {
// to be clear, this section means that a UA was unknown, was profiled with modernizr
// & now we're saving that data to build a new profile
$this->foundIn = 'cookie';
// use ua-parser to set-up the basic properties for this UA, populate other core properties
$info = $this->createUAProperties($request);
$info->uaHash = $uaHash;
$info->coreVersion = $this->coreVersion;
foreach ($modernizrData as $property => $value) {
$info->{$property} = $value;
}
// some general properties
$info->nojs = false;
$info->nocookies = false;
// unset the cookie that held the vast amount of test data
setcookie($cookieID, '');
// add our collected data to the session for use in future requests, also add the per request data
if (isset($_SESSION)) {
$_SESSION[$sessionID] = $info;
}
$this->save($request, $info, $uaFile, $cacheId);
// return the collected data to the script for use in this go around
return $info;
}
return null;
}
