/**
* Given a Page's `$path` and `$handle`, this function will remove
* it's templates from the `PAGES` directory returning boolean on
* completion
*
* @param string $page_path
* The path of the Page, which is the handles of the Page parents. If the
* page has multiple parents, they will be separated by a forward slash.
* eg. article/read. If a page has no parents, this parameter should be null.
* @param string $handle
* A Page handle, generated using `PageManager::createHandle`.
* @return boolean
*/
public static function deletePageFiles($page_path, $handle)
{
$file = PageManager::resolvePageFileLocation($page_path, $handle);
// Nothing to do:
if (!file_exists($file)) {
return true;
}
// Delete it:
if (General::deleteFile($file)) {
return true;
}
return false;
}
/**
* Resolves the path to this page's XSLT file. The Symphony convention
* is that they are stored in the `PAGES` folder. If this page has a parent
* it will be as if all the / in the URL have been replaced with _. ie.
* /articles/read/ will produce a file `articles_read.xsl`
*
* @deprecated This function will be removed in Symphony 2.4. Use
* `PageManager::resolvePageFileLocation`
* @param string $path
* The URL path to this page, excluding the current page. ie, /articles/read
* would make `$path` become articles/
* @param string $handle
* The handle of the resolved page.
* @return string
* The path to the XSLT of this page
*/
public static function resolvePageFileLocation($path, $handle)
{
return PageManager::resolvePageFileLocation($path, $handle);
}
public function checkFrontendPagePermissions($context)
{
$isLoggedIn = false;
$errors = array();
$action = null;
// Checks $_REQUEST to see if a Member Action has been requested,
// member-action['login'] and member-action['logout']/?member-action=logout
// are the only two supported at this stage.
if (isset($_REQUEST['member-action']) && is_array($_REQUEST['member-action'])) {
list($action) = array_keys($_REQUEST['member-action']);
} else {
if (isset($_REQUEST['member-action'])) {
$action = $_REQUEST['member-action'];
}
}
// Check to see a Member is already logged in.
$isLoggedIn = $this->getMemberDriver()->isLoggedIn($errors);
// Logout
if (trim($action) == 'logout') {
/**
* Fired just before a member is logged out (and page redirection),
* this delegate provides the current Member ID
*
* @delegate MembersPreLogout
* @param string $context
* '/frontend/'
* @param integer $member_id
* The Member ID of the member who is about to logged out
*/
Symphony::ExtensionManager()->notifyMembers('MembersPreLogout', '/frontend/', array('member_id' => $this->getMemberDriver()->getMemberID()));
$this->getMemberDriver()->logout();
// If a redirect is provided, redirect to that, otherwise return the user
// to the index of the site. Issue #51 & #121
if (isset($_REQUEST['redirect'])) {
redirect($_REQUEST['redirect']);
}
redirect(URL);
} else {
if (trim($action) == 'login' && !is_null($_POST['fields'])) {
// If a Member is already logged in and another Login attempt is requested
// log the Member out first before trying to login with new details.
if ($isLoggedIn) {
$this->getMemberDriver()->logout();
}
if ($this->getMemberDriver()->login($_POST['fields'])) {
/**
* Fired just after a Member has successfully logged in, this delegate
* provides the current Member ID. This delegate is fired just before
* the page redirection (if it is provided)
*
* @delegate MembersPostLogin
* @param string $context
* '/frontend/'
* @param integer $member_id
* The Member ID of the member who just logged in.
* @param Entry $member
* The Entry object of the logged in Member.
*/
Symphony::ExtensionManager()->notifyMembers('MembersPostLogin', '/frontend/', array('member_id' => $this->getMemberDriver()->getMemberID(), 'member' => $this->getMemberDriver()->getMember()));
if (isset($_POST['redirect'])) {
redirect($_POST['redirect']);
}
} else {
self::$_failed_login_attempt = true;
/**
* A failed Member login attempt
*
* @delegate MembersLoginFailure
* @param string $context
* '/frontend/'
* @param string $username
* The username of the Member who attempted to login.
*/
Symphony::ExtensionManager()->notifyMembers('MembersLoginFailure', '/frontend/', array('username' => Symphony::Database()->cleanValue($_POST['fields'][extension_Members::getFieldHandle('identity')])));
}
}
}
$this->Member->initialiseMemberObject();
$hasRoles = FieldManager::isFieldUsed(extension_Members::getFieldType('role'));
if ($isLoggedIn && $this->getMemberDriver()->getMember() instanceof Entry) {
$this->getMemberDriver()->updateSystemTimezoneOffset();
if ($hasRoles) {
$role_field = extension_Members::getField('role');
if ($role_field) {
$role_data = $this->getMemberDriver()->getMember()->getData($role_field->get('id'));
}
}
}
// If there is no role field, or a Developer is logged in, return, as Developers
// should be able to access every page. Handles Symphony 2.4 or Symphony 2.5
$isDeveloper = method_exists(Symphony::Engine(), 'Author') ? Symphony::Engine()->Author() instanceof Author && Symphony::Engine()->Author()->isDeveloper() : Symphony::Engine()->Author instanceof Author && Symphony::Engine()->Author->isDeveloper();
if (!$hasRoles || $isDeveloper) {
return;
}
$role_id = $isLoggedIn ? $role_data['role_id'] : Role::PUBLIC_ROLE;
$role = RoleManager::fetch($role_id);
if ($role instanceof Role && !$role->canAccessPage((int) $context['page_data']['id'])) {
// User has no access to this page, so look for a custom 403 page
if ($row = PageManager::fetchPageByType('403')) {
$row['type'] = PageManager::fetchPageTypes($row['id']);
$row['filelocation'] = PageManager::resolvePageFileLocation($row['path'], $row['handle']);
$context['page_data'] = $row;
return;
} else {
// No custom 403, just throw default 403
GenericExceptionHandler::$enabled = true;
Frontend::instance()->throwCustomError(__('The page you have requested has restricted access permissions.'), __('Forbidden'), Page::HTTP_STATUS_FORBIDDEN);
}
}
}
/**
* This function attempts to resolve the given page in to it's Symphony page. If no
* page is given, it is assumed the 'index' is being requested. Before a page row is
* returned, it is checked to see that if it has the 'admin' type, that the requesting
* user is authenticated as a Symphony author. If they are not, the Symphony 403
* page is returned (whether that be set as a user defined page using the page type
* of 403, or just returning the Default Symphony 403 error page). Any URL parameters
* set on the page are added to the `$env` variable before the function returns an
* associative array of page details such as Title, Content Type etc.
*
* @uses FrontendPrePageResolve
* @see __isSchemaValid()
* @param string $page
* The URL of the current page that is being Rendered as returned by `getCurrentPage()`.
* If no URL is provided, Symphony assumes the Page with the type 'index' is being
* requested.
* @throws SymphonyErrorPage
* @return array
* An associative array of page details
*/
public function resolvePage($page = null)
{
if ($page) {
$this->_page = $page;
}
$row = null;
/**
* Before page resolve. Allows manipulation of page without redirection
* @delegate FrontendPrePageResolve
* @param string $context
* '/frontend/'
* @param mixed $row
* @param FrontendPage $page
* An instance of this FrontendPage
*/
Symphony::ExtensionManager()->notifyMembers('FrontendPrePageResolve', '/frontend/', array('row' => &$row, 'page' => &$this->_page));
// Default to the index page if no page has been specified
if ((!$this->_page || $this->_page == '//') && is_null($row)) {
$row = PageManager::fetchPageByType('index');
// Not the index page (or at least not on first impression)
} elseif (is_null($row)) {
$page_extra_bits = array();
$pathArr = preg_split('/\\//', trim($this->_page, '/'), -1, PREG_SPLIT_NO_EMPTY);
$handle = array_pop($pathArr);
do {
$path = implode('/', $pathArr);
if ($row = PageManager::resolvePageByPath($handle, $path)) {
$pathArr[] = $handle;
break 1;
} else {
$page_extra_bits[] = $handle;
}
} while ($handle = array_pop($pathArr));
// If the `$pathArr` is empty, that means a page hasn't resolved for
// the given `$page`, however in some cases the index page may allow
// parameters, so we'll check.
if (empty($pathArr)) {
// If the index page does not handle parameters, then return false
// (which will give up the 404), otherwise treat the `$page` as
// parameters of the index. RE: #1351
$index = PageManager::fetchPageByType('index');
if (!$this->__isSchemaValid($index['params'], $page_extra_bits)) {
return false;
} else {
$row = $index;
}
// Page resolved, check the schema (are the parameters valid?)
} elseif (!$this->__isSchemaValid($row['params'], $page_extra_bits)) {
return false;
}
}
// Process the extra URL params
$url_params = preg_split('/\\//', $row['params'], -1, PREG_SPLIT_NO_EMPTY);
foreach ($url_params as $var) {
$this->_env['url'][$var] = null;
}
if (isset($page_extra_bits)) {
if (!empty($page_extra_bits)) {
$page_extra_bits = array_reverse($page_extra_bits);
}
for ($i = 0, $ii = count($page_extra_bits); $i < $ii; $i++) {
$this->_env['url'][$url_params[$i]] = str_replace(' ', '+', $page_extra_bits[$i]);
}
}
if (!is_array($row) || empty($row)) {
return false;
}
$row['type'] = PageManager::fetchPageTypes($row['id']);
// Make sure the user has permission to access this page
if (!$this->is_logged_in && in_array('admin', $row['type'])) {
$row = PageManager::fetchPageByType('403');
if (empty($row)) {
Frontend::instance()->throwCustomError(__('Please login to view this page.') . ' <a href="' . SYMPHONY_URL . '/login/">' . __('Take me to the login page') . '</a>.', __('Forbidden'), Page::HTTP_STATUS_FORBIDDEN);
}
$row['type'] = PageManager::fetchPageTypes($row['id']);
}
$row['filelocation'] = PageManager::resolvePageFileLocation($row['path'], $row['handle']);
return $row;
}
public function frontendPageResolved($context)
{
if (!(int) ($page_id = $context['page_data']['id'])) {
return;
}
// Don't show prototype pages to normal visitors
if (!Frontend::instance()->isLoggedIn() && PagePrototypes::isPagePrototype($page_id)) {
$forbidden = PageManager::fetchPageByType('403');
// User has no access to this page, so look for a custom 403 page
if (!empty($forbidden)) {
$forbidden['type'] = FrontendPage::fetchPageTypes($forbidden['id']);
$forbidden['filelocation'] = FrontendPage::resolvePageFileLocation($forbidden['path'], $forbidden['handle']);
$context['page_data'] = $forbidden;
return;
} else {
GenericExceptionHandler::$enabled = true;
throw new SymphonyErrorPage(__('The page you have requested has restricted access permissions.'), __('Forbidden'), 'generic', array('header' => 'HTTP/1.0 403 Forbidden'));
}
}
// Override context if the page is connected to a prototype.
// This is not really necesary because when a prototype gets changed in the backend, the referenced pages get changed as well.
$prototype = PagePrototypes::fetchPrototypeOfPage($page_id);
if (!empty($prototype)) {
$context['page_data']['params'] = $prototype['params'];
$context['page_data']['data_sources'] = $prototype['data_sources'];
$context['page_data']['events'] = $prototype['events'];
$context['page_data']['type'] = $prototype['type'];
$context['page_data']['filelocation'] = PageManager::resolvePageFileLocation($prototype['path'], $prototype['handle']);
}
}
