public function load($id = null, $checkSession = true)
{
$this->id = $this->bucket = null;
if ($id === null && $this->useCookie && isset($_COOKIE[$this->name]) && preg_match('/^[0-9a-zA-Z]{32}$/', $_COOKIE[$this->name])) {
$id = $_COOKIE[$this->name];
}
if ($id) {
$this->bucket = $this->bucketBase->load($id, $this->name);
}
$this->isNew = !$this->bucket;
if (!$this->isNew) {
if ($checkSession && !$this->checkSession()) {
$this->reset();
} else {
$this->data = $this->bucket->data['data'];
$this->id = $this->bucket->id;
}
} else {
$this->data = null;
$data = $this->_getBucketData();
$this->bucket = $this->bucketBase->create($data, $this->expirationTime, $this->name);
$this->id = $this->bucket->id;
}
}
public function execute()
{
// PreInit form
$this->_preInit();
if ($this->flags == -1) {
$this->flags = self::$defaultFlags;
}
$this->status = new StatusContainer();
if (!$this->id) {
$this->id = get_class($this);
}
$this->_internalID = substr(md5($this->id), 0, 8);
$this->dataIn = $this->getDataIn();
// Check for form id
$requestedID = $this->dataIn->get($this->_internalID . '_BucketID');
$isNew = !$requestedID;
if (!$this->bucketBase) {
if (!AdvancedForm::$defaultBucketBase) {
trigger_error('Could not find valid bucket base. Specify with $form->bucketBase set AdvancedForm::$defaultBucketBase', E_USER_ERROR);
}
$this->bucketBase = AdvancedForm::$defaultBucketBase;
}
$context = $this->getContext();
if ($this->status->error) {
$this->_endProcessing();
return;
}
// Form id existing, try to load bucket
if (!$isNew) {
$this->_bucket = $this->bucketBase->load($requestedID, $context);
// No valid bucket found
if (!$this->_bucket) {
$isNew = true;
$this->_processSecurityError(self::ERROR_DELETED);
} else {
/** @var AdvancedFormData $formData */
$formData = $this->_bucket->data;
$this->formData = $formData;
$this->data = $this->formData->data;
// Bucket is valid but doesn't fit to this form
if ($this->formData->id != $this->dataIn->get('CT_Form_ID')) {
$isNew = true;
$this->_processSecurityError(self::ERROR_DELETED);
$this->_bucket = null;
} else {
if ($this->formData->resetOnNextAccess) {
$this->formData->reset();
$this->formData->data = $this->data = $this->_createDataObject();
}
}
if ($this->formData->finished) {
$this->formData->finished = false;
}
}
}
// New form, create data object
if ($isNew) {
$this->data = $this->_createDataObject();
$uID = StringTools::random(32);
$this->formData = new AdvancedFormData($uID, $this->data);
$this->_bucket = $this->bucketBase->create('', 86400, $context);
}
$this->isSubmit = $this->_isSubmit();
// Init form
$this->_init();
// Form hasn't been submitted yet or an error has occurred, so end processing here
if (!$this->isSubmit || !$this->flags & self::FLAG_ALLOW_INSTANT_SUBMIT && $isNew || $this->status->error) {
$this->_endProcessing();
return;
}
// Get submitted step
$step = intval($this->dataIn->get('CT_Form_Step'));
if ($step < 1 && $this->flags & self::FLAG_ALLOW_INSTANT_SUBMIT) {
$step = 1;
}
if ($step < 1) {
$this->_endProcessing();
return;
}
if ($step > $this->formData->currentStep) {
$this->_endProcessing();
return;
}
$this->_getStepData($step);
// Check whether earlier step is requested
if (is_int($this->action)) {
$this->formData->nextStep = $this->action;
if ($this->formData->nextStep > 0 && $this->formData->nextStep <= $this->formData->currentStep) {
$this->formData->currentStep = $this->formData->nextStep;
$this->_endProcessing();
return;
} else {
$this->action = 'next';
}
}
if (!$this->action) {
$this->action = 'next';
}
// Calculate next step
if ($this->action == 'next') {
$this->formData->nextStep = $this->_getNextStep($step);
} else {
if ($this->action == 'prev') {
$this->formData->nextStep = $this->_getPrevStep($step);
} else {
$this->formData->nextStep = $step;
}
}
if ($this->formData->nextStep < 1) {
$this->formData->nextStep = 1;
} else {
if ($this->formData->nextStep > $this->steps) {
$this->formData->nextStep = $this->steps;
}
}
// Let's check some security stuff
if ($this->flags & self::FLAG_ACTION_TIME && !$this->flags & self::FLAG_ALLOW_INSTANT_SUBMIT) {
if (microtime(true) - $this->formData->lastAction < self::$earlyTimeout) {
$this->_processSecurityError(self::ERROR_EARLY);
}
}
if ($this->action == 'prev') {
$this->formData->currentStep = $this->formData->nextStep;
$this->_endProcessing();
return;
}
if ($this->status->error || $this->steps > 1 && $step == $this->steps) {
$this->_endProcessing();
return;
}
$this->_checkStepData($step);
// Form has some errors, so end processing here
if ($this->status->error) {
$this->_endProcessing();
return;
}
$this->_submitStep($step);
// Processing successful so set next step
if (!$this->status->error && $this->steps > 1) {
$this->formData->currentStep = $this->formData->nextStep;
}
$this->_endProcessing();
}
