git.infodrom.org Git - infodrom.org/touren.infodrom.org/blob - core/application.class.php

   1 <?php
   2
   3 class Application
   4 {
   5     protected static $instance = NULL;
   6
   7     public static function get()
   8     {
   9         if (is_null(static::$instance))
  10             static::$instance = new Application();
  11
  12         return static::$instance;
  13     }
  14
  15     public static function url($controller=false, $action=false, Tour $tour=NULL)
  16     {
  17         $app = Application::get();
  18
  19         if ($controller === false)
  20             return $app->getBaseURL();
  21
  22         if ($action === false)
  23             return $app->getBaseURL() . $controller . '/index';
  24
  25         if (is_null($tour))
  26             return $app->getBaseURL() . $controller . '/' . $action;
  27
  28         return $app->getBaseURL() . $controller . '/' . $tour->get('key') . '/' . $action;
  29     }
  30
  31     protected static $debug_file = false;
  32     public static function debug($values)
  33     {
  34         if (!defined('DEBUG') || DEBUG !== true) return error_log('return');
  35
  36         if (!static::$debug_file) {
  37             $dir = dirname(__DIR__) . '/tmp';
  38             if (!is_dir($dir)) return;
  39
  40             static::$debug_file = fopen($dir . '/debug.log', 'a');
  41         }
  42
  43         if (!static::$debug_file) return;
  44
  45         if (is_string($values))
  46             $values = trim($values);
  47         else
  48             $values = var_export($values, true);
  49
  50         fputs(static::$debug_file, sprintf("%s %s - %s\n", date('Y-m-d H:i:s'), $_SESSION['email'], $values));
  51     }
  52
  53     protected $_javascript = NULL;
  54     protected $_styles = NULL;
  55     protected $_request = NULL;
  56     protected $_response = NULL;
  57     protected $_base = NULL;
  58     protected $_is_admin = NULL;
  59
  60     protected $_controller;
  61     protected $_action;
  62     protected $tour;
  63
  64     protected $db;
  65
  66     private function __construct()
  67     {
  68         global $db;
  69
  70         $this->initSession();
  71
  72         $this->_request = new Request();
  73         $this->_response = new Response();
  74
  75         $dsn = sprintf('%s:host=%s;dbname=%s', DBDRIVER, DBHOST, DBNAME);
  76         $db = new Database(DBDRIVER, DBHOST, DBNAME, DBUSER, DBPASS);
  77         if (defined('MAIL_ERROR')) $db->setErrorMail(MAIL_ERROR);
  78         $this->db = $db;
  79
  80         $this->setExceptionHandler();
  81     }
  82
  83     public function getBaseDir()
  84     {
  85         return dirname(__DIR__) . '/';
  86     }
  87
  88     public function getBaseURL()
  89     {
  90         if (is_null($this->_base)) {
  91             if (strpos($this->getBaseDir(), $this->_request->getServer('DOCUMENT_ROOT')) !== 0)
  92                 throw new Exception("Local directory doesn't match DOCUMENT_ROOT");
  93
  94             $this->_base = substr($this->getBaseDir(), strlen($this->_request->getServer('DOCUMENT_ROOT')));
  95         }
  96
  97         return $this->_base;
  98     }
  99
 100     protected function initSession()
 101     {
 102         if (!defined('SESSION_PATH')) define('SESSION_PATH', '/');
 103         if (!defined('SESSION_LIFETIME')) define('SESSION_LIFETIME', 60*60*56);
 104
 105         session_name(SESSION_NAME);
 106         session_set_cookie_params(SESSION_LIFETIME, SESSION_PATH);
 107         session_start();
 108         session_regenerate_id();
 109     }
 110
 111     protected function setExceptionHandler()
 112     {
 113         set_exception_handler(function(Throwable $e){
 114                 Application::debug($e->getTraceAsString());
 115                 $app = Application::get();
 116
 117                 if ($app->getRequest()->isAjax()) {
 118                     header('Content-type: application/json; charset="UTF-8"');
 119                     echo json_encode(['status' => false,
 120                                       'error' =>  $e->getMessage()]);
 121                     exit();
 122                 }
 123
 124                 $content = Template::render('page/error', ['title' => 'Es ist ein Problem aufgetreten',
 125                                                            'text' => $e->getMessage()]);
 126
 127                 header('Content-type: text/html; charset="UTF-8"');
 128                 echo Template::render('page/main', ['title' => TITLE,
 129                                                     'pagetitle' => TITLE,
 130                                                     'navigation' => '',
 131                                                     'favicon' => FAVICON,
 132                                                     'content' => $content,
 133                                                     'styles' => Styles::instance()->toString(),
 134                                                     'javascript' => JavaScript::instance()->toString()]);
 135                 exit();
 136             });
 137     }
 138
 139     protected function addBaseFiles()
 140     {
 141         $this->addJavascript('lib/jquery-2.1.0.min.js');
 142         $this->addJavascript('lib/bootstrap-4.3.1-dist/js/bootstrap.js');
 143         $this->addJavascript('touren.js');
 144         $this->addJavascriptCode(sprintf("var tour_base_url = '%s';", $this->getBaseURL()));
 145         $this->addStyle('lib/bootstrap-4.3.1-dist/css/bootstrap.css');
 146         $this->addStyle('touren.css');
 147     }
 148
 149     public function addJavascript($path)
 150     {
 151         if (is_null($this->_javascript))
 152             $this->_javascript = JavaScript::instance();
 153
 154         $this->_javascript->file($path);
 155     }
 156
 157     public function addJavascriptCode($code)
 158     {
 159         if (is_null($this->_javascript))
 160             $this->_javascript = JavaScript::instance();
 161
 162         $this->_javascript->add($code);
 163     }
 164
 165     public function addStyle($path)
 166     {
 167         if (is_null($this->_styles))
 168             $this->_styles = Styles::instance();
 169
 170         $this->_styles->file($path);
 171     }
 172
 173     public function getRequest()
 174     {
 175         return $this->_request;
 176     }
 177
 178     public function getResponse()
 179     {
 180         return $this->_response;
 181     }
 182
 183     public function isAdmin()
 184     {
 185         if (is_null($this->_is_admin)) {
 186             $this->_is_admin = $_SESSION['userid'] == 1;
 187         }
 188
 189         return $this->_is_admin;
 190     }
 191
 192     protected function route()
 193     {
 194         $controller_name = $this->_request->getControllerName() or 'index';
 195         $this->_action = $this->_request->getActionName() or 'index';
 196         $tour_name = $this->_request->getTourName() or NULL;
 197
 198         if (empty($controller_name)) $controller_name = 'index';
 199         if (empty($this->_action))     $this->_action = 'index';
 200
 201         $controller_name = ucfirst($controller_name) . 'Controller';
 202         $this->_controller = new $controller_name();
 203
 204         if ((empty($_SESSION) || empty($_SESSION['userid']))
 205             && !in_array($this->_action, $this->_controller->allowUnauthenticated())) {
 206             $this->_response->setLocation(sprintf('%sindex/login', $this->getBaseURL()));
 207             return;
 208         }
 209
 210         $this->_controller->setDatabase($this->db);
 211         $this->_controller->setApplication($this);
 212
 213         if ($this->_request->isAjax())
 214             $method = 'ajax' . ucfirst($this->_action);
 215         else
 216             $method = $this->_action . 'Action';
 217
 218         if (!method_exists($this->_controller, $method))
 219             throw new Exception("Entry point for {$this->_action} does not exist");
 220
 221         if (!is_null($tour_name)) {
 222             $this->tour = new Tour($tour_name, 'key');
 223             if ($this->tour->id()) {
 224                 $this->_controller->setTour($this->tour);
 225                 $this->addJavascriptCode(sprintf("var tour_key = '%s';", $this->tour->get('key')));
 226             }
 227         }
 228
 229         if ($this->_request->isAjax()) {
 230             $this->getResponse()->setType('application/json');
 231             $this->_controller->$method($this->_request, $this->_response, $this->_request->getPost());
 232         } else {
 233             $this->_controller->$method($this->_request, $this->_response);
 234         }
 235     }
 236
 237     public function process()
 238     {
 239         if (!$this->_request->isAjax())
 240             $this->addBaseFiles();
 241
 242         $this->route();
 243
 244         if ($this->getResponse()->getLocation()) {
 245             header(sprintf('Location: %s', $this->getResponse()->getLocation()));
 246             exit();
 247         }
 248
 249         if ($this->getResponse()->getType() == 'application/json') {
 250             $data = $this->getResponse()->getData();
 251             if ($data === false) $data = ['status' => false];
 252             if ($data === true)  $data = ['status' => true];
 253             if (!array_key_exists('status', $data))
 254                 $data['status'] = true;
 255
 256             header('Content-type: application/json; charset="UTF-8"');
 257             echo json_encode($data);
 258             exit();
 259         }
 260
 261         if ($this->getResponse()->getType() != 'text/html') {
 262             header(sprintf('Content-type: %s; charset="UTF-8"'), $this->getResponse()->getType());
 263             echo $this->getResponse()->getData();
 264             exit();
 265         }
 266
 267         $nav = $this->_controller->getNavigation();
 268         if (is_null($nav) || $nav === false || !count($nav))
 269             $navigation = '';
 270         else
 271             $navigation = Template::render('page/navigation', ['list' => $nav,
 272                                                                'tour' => $this->tour]);
 273
 274         header('Content-type: text/html; charset="UTF-8"');
 275         echo Template::render('page/main', ['title' => TITLE,
 276                                             'pagetitle' => TITLE,
 277                                             'navigation' => $navigation,
 278                                             'favicon' => FAVICON,
 279                                             'content' => $this->getResponse()->getData(),
 280                                             'styles' => !is_null($this->_styles) ? $this->_styles->toString() : '',
 281                                             'javascript' => !is_null($this->_javascript) ? $this->_javascript->toString() : '']);
 282
 283         exit();
 284     }
 285 }