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<?php |
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/** |
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* @package CleverStyle CMS |
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* @author Nazar Mokrynskyi <[email protected]> |
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* @copyright Copyright (c) 2015-2016, Nazar Mokrynskyi |
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* @license MIT License, see license.txt |
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*/ |
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namespace cs\Request; |
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use |
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cs\Config, |
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cs\Event, |
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cs\ExitException, |
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cs\Language, |
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cs\Response; |
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/** |
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* Provides next events: |
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* System/Request/routing_replace |
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* ['rc' => &$rc] //Reference to string with current route, this string can be changed |
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* |
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* @property string $schema |
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* @property string $host |
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* @property string $path |
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* @property string $referer |
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*/ |
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trait Route { |
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/** |
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* Current mirror according to configuration |
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* |
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* @var int |
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*/ |
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public $mirror_index; |
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/** |
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* Normalized processed representation of relative address, may differ from raw, should be used in most cases |
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* |
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* @var string |
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*/ |
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public $path_normalized; |
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/** |
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* Contains parsed route of current page url in form of array without module name and prefixes <i>admin</i>/<i>api</i> |
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* |
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* @var array |
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*/ |
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public $route; |
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/** |
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* Like $route property, but excludes numerical items |
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* |
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* @var string[] |
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*/ |
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public $route_path; |
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/** |
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* Like $route property, but only includes numerical items (opposite to route_path property) |
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* |
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* @var int[] |
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*/ |
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public $route_ids; |
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/** |
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* Request to administration section |
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* |
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* @var bool |
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*/ |
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public $admin_path; |
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/** |
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* Request to api section |
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* |
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* @var bool |
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*/ |
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public $api_path; |
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/** |
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* Current module |
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* |
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* @var string |
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*/ |
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public $current_module; |
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/** |
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* Home page |
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* |
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* @var bool |
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*/ |
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public $home_page; |
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/** |
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* Initialize route based on system configuration, requires `::init_server()` being called first since uses its data |
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* |
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* @throws ExitException |
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*/ |
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function init_route () { |
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$this->mirror_index = -1; |
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$this->path_normalized = ''; |
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$this->route = []; |
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$this->route_path = []; |
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$this->route_ids = []; |
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$this->admin_path = false; |
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$this->api_path = false; |
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$this->current_module = ''; |
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$this->home_page = false; |
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$Config = Config::instance(); |
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/** |
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* Search for url matching in all mirrors |
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*/ |
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foreach ($Config->core['url'] as $i => $address) { |
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list($schema, $urls) = explode('://', $address, 2); |
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if ( |
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$this->mirror_index === -1 && |
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$schema == $this->schema |
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) { |
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foreach (explode(';', $urls) as $url) { |
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if (mb_strpos("$this->host/$this->path", "$url/") === 0) { |
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$this->mirror_index = $i; |
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break 2; |
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} |
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} |
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} |
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} |
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unset($address, $i, $urls, $url, $schema); |
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/** |
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* If match was not found - mirror is not allowed! |
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*/ |
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if ($this->mirror_index === -1) { |
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throw new ExitException("Mirror $this->host not allowed", 400); |
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} |
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$results = $this->analyze_route_path($this->path); |
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$this->handle_redirect($Config, $results['path_normalized']); |
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$this->route = $results['route']; |
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/** |
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* Separate numeric and other parts of route |
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*/ |
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foreach ($this->route as $item) { |
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if (is_numeric($item)) { |
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$this->route_ids[] = $item; |
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} else { |
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$this->route_path[] = $item; |
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} |
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} |
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$this->path_normalized = $results['path_normalized']; |
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$this->admin_path = $results['admin_path']; |
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$this->api_path = $results['api_path']; |
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$this->current_module = $results['current_module']; |
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$this->home_page = $results['home_page']; |
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} |
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/** |
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* Process raw relative route. |
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* |
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* As result returns current route in system in form of array, corrected page address, detects MODULE, that responsible for processing this url, |
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* whether this is API call, admin page, or home page |
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* |
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* @param string $path |
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* |
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* @return array Array contains next elements: `route`, `path_normalized`, `admin_path`, `api_path`, `current_module`, `home_page` |
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*/ |
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function analyze_route_path ($path) { |
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$rc = trim($path, '/'); |
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if (Language::instance()->url_language($rc)) { |
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$rc = explode('/', $rc, 2); |
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$rc = isset($rc[1]) ? $rc[1] : ''; |
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} |
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Event::instance()->fire( |
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'System/Route/routing_replace', |
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[ |
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'rc' => &$rc |
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] |
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); |
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Event::instance()->fire( |
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'System/Request/routing_replace', |
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[ |
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'rc' => &$rc |
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] |
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); |
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/** |
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* Obtaining page path in form of array |
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*/ |
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$rc = $rc ? explode('/', $rc) : []; |
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$admin_path = ''; |
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$api_path = ''; |
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$home_page = false; |
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/** |
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* If url is admin or API page - set corresponding variables to corresponding path prefix |
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*/ |
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if (@mb_strtolower($rc[0]) == 'admin') { |
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$admin_path = 'admin/'; |
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array_shift($rc); |
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} elseif (@mb_strtolower($rc[0]) == 'api') { |
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$api_path = 'api/'; |
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array_shift($rc); |
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} |
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/** |
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* Module detection |
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*/ |
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$current_module = $this->determine_page_module($rc, $home_page, $admin_path, $api_path); |
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return [ |
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'route' => $rc, |
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'path_normalized' => trim( |
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$admin_path.$api_path.$current_module.'/'.implode('/', $rc), |
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'/' |
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), |
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'admin_path' => (bool)$admin_path, |
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'api_path' => (bool)$api_path, |
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'current_module' => $current_module, |
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'home_page' => $home_page |
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]; |
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} |
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/** |
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* @param Config $Config |
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* @param string $path_normalized |
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* |
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* @throws ExitException |
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*/ |
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protected function handle_redirect ($Config, $path_normalized) { |
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/** |
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* Redirection processing |
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*/ |
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if (strpos($path_normalized, 'System/redirect/') === 0) { |
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if ($this->is_referer_local($Config)) { |
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Response::instance()->redirect( |
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substr($path_normalized, 16), |
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301 |
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); |
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throw new ExitException; |
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} else { |
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throw new ExitException(400); |
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} |
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} |
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} |
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/** |
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* Check whether referer is local |
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* |
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* @param Config $Config |
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* |
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* @return bool |
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*/ |
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protected function is_referer_local ($Config) { |
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if (!$this->referer) { |
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return false; |
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} |
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list($referer_protocol, $referer_host) = explode('://', $this->referer); |
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$referer_host = explode('/', $referer_host)[0]; |
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foreach ($Config->core['url'] as $address) { |
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list($protocol, $urls) = explode('://', $address, 2); |
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if ($protocol === $referer_protocol) { |
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foreach (explode(';', $urls) as $url) { |
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if (mb_strpos($referer_host, $url) === 0) { |
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return true; |
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} |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Determine module of current page based on page path and system configuration |
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* |
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* @param array $rc |
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* @param bool $home_page |
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* @param string $admin_path |
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* @param string $api_path |
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* |
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* @return mixed|string |
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*/ |
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protected function determine_page_module (&$rc, &$home_page, $admin_path, $api_path) { |
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$Config = Config::instance(); |
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$modules = $this->get_modules($Config, (bool)$admin_path); |
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if (@in_array($rc[0], array_values($modules))) { |
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return array_shift($rc); |
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} |
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if (@$modules[$rc[0]]) { |
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return $modules[array_shift($rc)]; |
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} |
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$current_module = |
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$admin_path || $api_path || isset($rc[0]) |
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? 'System' |
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: $Config->core['default_module']; |
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if (!$admin_path && !$api_path && !isset($rc[1])) { |
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$home_page = true; |
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} |
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return $current_module; |
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} |
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/** |
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* Get array of modules |
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* |
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* @param Config $Config |
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* @param bool $admin_path |
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* |
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* @return array Array of form [localized_module_name => module_name] |
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*/ |
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protected function get_modules ($Config, $admin_path) { |
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$modules = array_filter( |
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$Config->components['modules'], |
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function ($module_data) use ($admin_path) { |
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/** |
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* Skip uninstalled modules and modules that are disabled (on all pages except admin pages) |
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*/ |
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return |
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( |
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$admin_path && |
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$module_data['active'] == Config\Module_Properties::DISABLED |
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) || |
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$module_data['active'] == Config\Module_Properties::ENABLED; |
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} |
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); |
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$L = Language::instance(); |
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foreach ($modules as $module => &$localized_name) { |
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$localized_name = path($L->$module); |
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} |
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return array_flip($modules); |
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} |
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} |
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nazar-pc /
CleverStyle-Framework
