/**
* Determines the id and evaluates any preview settings
* Basically this function is about determining whether a backend user is logged in,
* if he has read access to the page and if he's previewing the page.
* That all determines which id to show and how to initialize the id.
*
* @return void
*/
public function determineId()
{
// Call pre processing function for id determination
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PreProcessing'])) {
foreach ($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PreProcessing'] as $functionReference) {
$parameters = array('parentObject' => $this);
GeneralUtility::callUserFunction($functionReference, $parameters, $this);
}
}
// Getting ARG-v values if some
$this->setIDfromArgV();
// If there is a Backend login we are going to check for any preview settings:
$this->getTimeTracker()->push('beUserLogin', '');
$originalFrontendUser = null;
$backendUser = $this->getBackendUser();
if ($this->beUserLogin || $this->doWorkspacePreview()) {
// Backend user preview features:
if ($this->beUserLogin && $backendUser->adminPanel instanceof AdminPanelView) {
$this->fePreview = (bool) $backendUser->adminPanel->extGetFeAdminValue('preview');
// If admin panel preview is enabled...
if ($this->fePreview) {
if ($this->fe_user->user) {
$originalFrontendUser = $this->fe_user->user;
}
$this->showHiddenPage = (bool) $backendUser->adminPanel->extGetFeAdminValue('preview', 'showHiddenPages');
$this->showHiddenRecords = (bool) $backendUser->adminPanel->extGetFeAdminValue('preview', 'showHiddenRecords');
// Simulate date
$simTime = $backendUser->adminPanel->extGetFeAdminValue('preview', 'simulateDate');
if ($simTime) {
$GLOBALS['SIM_EXEC_TIME'] = $simTime;
$GLOBALS['SIM_ACCESS_TIME'] = $simTime - $simTime % 60;
}
// simulate user
$simUserGroup = $backendUser->adminPanel->extGetFeAdminValue('preview', 'simulateUserGroup');
$this->simUserGroup = $simUserGroup;
if ($simUserGroup) {
if ($this->fe_user->user) {
$this->fe_user->user[$this->fe_user->usergroup_column] = $simUserGroup;
} else {
$this->fe_user->user = array($this->fe_user->usergroup_column => $simUserGroup);
}
}
if (!$simUserGroup && !$simTime && !$this->showHiddenPage && !$this->showHiddenRecords) {
$this->fePreview = 0;
}
}
}
if ($this->id) {
if ($this->determineIdIsHiddenPage()) {
// The preview flag is set only if the current page turns out to actually be hidden!
$this->fePreview = 1;
$this->showHiddenPage = true;
}
// For Live workspace: Check root line for proper connection to tree root (done because of possible preview of page / branch versions)
if (!$this->fePreview && $this->whichWorkspace() === 0) {
// Initialize the page-select functions to check rootline:
$temp_sys_page = GeneralUtility::makeInstance(PageRepository::class);
$temp_sys_page->init($this->showHiddenPage);
// If root line contained NO records and ->error_getRootLine_failPid tells us that it was because of a pid=-1 (indicating a "version" record)...:
if (empty($temp_sys_page->getRootLine($this->id, $this->MP)) && $temp_sys_page->error_getRootLine_failPid == -1) {
// Setting versioningPreview flag and try again:
$temp_sys_page->versioningPreview = true;
if (!empty($temp_sys_page->getRootLine($this->id, $this->MP))) {
// Finally, we got a root line (meaning that it WAS due to versioning preview of a page somewhere) and we set the fePreview flag which in itself will allow sys_page class to display previews of versionized records.
$this->fePreview = 1;
}
}
}
}
// The preview flag will be set if a backend user is in an offline workspace
if (($backendUser->user['workspace_preview'] || GeneralUtility::_GP('ADMCMD_view') || $this->doWorkspacePreview()) && ($this->whichWorkspace() === -1 || $this->whichWorkspace() > 0) && !GeneralUtility::_GP('ADMCMD_noBeUser')) {
// Will show special preview message.
$this->fePreview = 2;
}
// If the front-end is showing a preview, caching MUST be disabled.
if ($this->fePreview) {
$this->disableCache();
}
}
$this->getTimeTracker()->pull();
// Now, get the id, validate access etc:
$this->fetch_the_id();
// Check if backend user has read access to this page. If not, recalculate the id.
if ($this->beUserLogin && $this->fePreview) {
if (!$backendUser->doesUserHaveAccess($this->page, 1)) {
// Resetting
$this->clear_preview();
$this->fe_user->user = $originalFrontendUser;
// Fetching the id again, now with the preview settings reset.
$this->fetch_the_id();
}
}
// Checks if user logins are blocked for a certain branch and if so, will unset user login and re-fetch ID.
$this->loginAllowedInBranch = $this->checkIfLoginAllowedInBranch();
// Logins are not allowed:
if (!$this->loginAllowedInBranch) {
// Only if there is a login will we run this...
if ($this->isUserOrGroupSet()) {
if ($this->loginAllowedInBranch_mode == 'all') {
// Clear out user and group:
$this->fe_user->hideActiveLogin();
$this->gr_list = '0,-1';
} else {
$this->gr_list = '0,-2';
}
// Fetching the id again, now with the preview settings reset.
$this->fetch_the_id();
}
}
// Final cleaning.
// Make sure it's an integer
$this->id = $this->contentPid = (int) $this->id;
// Make sure it's an integer
$this->type = (int) $this->type;
// Call post processing function for id determination:
if (is_array($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'])) {
$_params = array('pObj' => &$this);
foreach ($this->TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['determineId-PostProc'] as $_funcRef) {
GeneralUtility::callUserFunction($_funcRef, $_params, $this);
}
}
}