isBrowser() public méthode

Determines if the given browser is the same as the current.
public isBrowser ( string $browser ) : boolean
$browser string The browser to check.
Résultat boolean Is the given browser the same as the current?
Exemple #1
0
 /**
  * Application bootstrap initialization.
  * Solves chicken-and-egg problem - need a way to init Horde environment
  * from application without an active Horde_Registry object.
  *
  * Page compression will be started (if configured).
  *
  * Global variables defined:
  * <pre>
  *   - $browser: Horde_Browser object
  *   - $cli: Horde_Cli object (if 'cli' is true)
  *   - $conf: Configuration array
  *   - $injector: Horde_Injector object
  *   - $language: Language
  *   - $notification: Horde_Notification object
  *   - $page_output: Horde_PageOutput object
  *   - $prefs: Horde_Prefs object
  *   - $registry: Horde_Registry object
  *   - $session: Horde_Session object
  * </pre>
  *
  * @param string $app  The application to initialize.
  * @param array $args  Optional arguments:
  * <pre>
  *   - admin: (boolean) Require authenticated user to be an admin?
  *            DEFAULT: false
  *   - authentication: (string) The type of authentication to use:
  *     - none: Do not authenticate
  *     - fallback: Attempt to authenticate; if failure, then don't auth
  *                 (@since 2.11.0).
  *     - [DEFAULT]: Authenticate; on no auth redirect to login screen
  *   - cli: (boolean) Initialize a CLI interface. Setting this to true
  *          implicitly sets 'authentication' to 'none' and 'admin' and
  *          'nocompress' to true.
  *          DEFAULT: false
  *   - nocompress: (boolean) If set, the page will not be compressed.
  *                 DEFAULT: false
  *   - nologintasks: (boolean) If set, don't perform logintasks (never
  *                   performed if authentication is 'none').
  *                   DEFAULT: false
  *   - nonotificationinit: (boolean) If set, don't initialize the
  *                         application handlers for the notification
  *                         system (@since 2.12.0).
  *   - permission: (array) The permission required by the user to access
  *                 the page. The first element (REQUIRED) is the permission
  *                 name. The second element (OPTION; defaults to SHOW) is
  *                 the permission level.
  *   - session_cache_limiter: (string) Use this value for the session
  *                            cache limiter.
  *                            DEFAULT: Uses the value in the config.
  *   - session_control: (string) Special session control limitations:
  *     - netscape: TODO; start read/write session
  *     - none: Do not start a session
  *     - readonly: Start session readonly
  *     - [DEFAULT] - Start read/write session
  *   - test: (boolean) Is this the test script? If so, we relax several
  *           sanity checks and don't load things from the cache.
  *           DEFAULT: false
  *   - timezone: (boolean) Set the time zone?
  *               DEFAULT: false
  *   - user_admin: (boolean) Set authentication to an admin user?
  *                 DEFAULT: false
  * </pre>
  *
  * @return Horde_Registry_Application  The application object.
  * @throws Horde_Exception
  */
 public static function appInit($app, array $args = array())
 {
     if (isset($GLOBALS['registry'])) {
         return $GLOBALS['registry']->getApiInstance($app, 'application');
     }
     $args = array_merge(array('admin' => false, 'authentication' => null, 'cli' => null, 'nocompress' => false, 'nologintasks' => false, 'nonotificationinit' => false, 'permission' => false, 'session_cache_limiter' => null, 'session_control' => null, 'timezone' => false, 'user_admin' => null), $args);
     /* CLI initialization. */
     if ($args['cli']) {
         /* Make sure no one runs from the web. */
         if (!Horde_Cli::runningFromCLI()) {
             throw new Horde_Exception(Horde_Core_Translation::t("Script must be run from the command line"));
         }
         /* Load the CLI environment - make sure there's no time limit,
          * init some variables, etc. */
         $GLOBALS['cli'] = Horde_Cli::init();
         $args['nocompress'] = true;
         $args['authentication'] = 'none';
     }
     // For 'fallback' authentication, try authentication first.
     if ($args['authentication'] === 'fallback') {
         $fallback_auth = true;
         $args['authentication'] = null;
     } else {
         $fallback_auth = false;
     }
     // Registry.
     $s_ctrl = 0;
     switch ($args['session_control']) {
         case 'netscape':
             // Chicken/egg: Browser object doesn't exist yet.
             // Can't use Horde_Core_Browser since it depends on registry to be
             // configured.
             $browser = new Horde_Browser();
             if ($browser->isBrowser('mozilla')) {
                 $args['session_cache_limiter'] = 'private, must-revalidate';
             }
             break;
         case 'none':
             $s_ctrl = self::SESSION_NONE;
             break;
         case 'readonly':
             $s_ctrl = self::SESSION_READONLY;
             break;
     }
     $classname = __CLASS__;
     $registry = $GLOBALS['registry'] = new $classname($s_ctrl, $args);
     $registry->initialApp = $app;
     $appob = $registry->getApiInstance($app, 'application');
     $appob->initParams = $args;
     do {
         try {
             $registry->pushApp($app, array('check_perms' => $args['authentication'] != 'none', 'logintasks' => !$args['nologintasks'], 'notransparent' => !empty($args['notransparent'])));
             if ($args['admin'] && !$registry->isAdmin()) {
                 throw new Horde_Exception(Horde_Core_Translation::t("Not an admin"));
             }
             $e = null;
         } catch (Horde_Exception_PushApp $e) {
             if ($fallback_auth) {
                 $registry->authException = $e;
                 $registry->setAuthenticationSetting('none');
                 $args['authentication'] = 'none';
                 $fallback_auth = false;
                 continue;
             }
         }
         break;
     } while (true);
     if (!is_null($e)) {
         $appob->appInitFailure($e);
         switch ($e->getCode()) {
             case self::AUTH_FAILURE:
                 $failure = new Horde_Exception_AuthenticationFailure($e->getMessage());
                 $failure->application = $app;
                 throw $failure;
             case self::NOT_ACTIVE:
                 /* Try redirect to Horde if an app is not active. */
                 if (!$args['cli'] && $app != 'horde') {
                     $GLOBALS['notification']->push($e, 'horde.error');
                     Horde::url($registry->getInitialPage('horde'))->redirect();
                 }
                 /* Shouldn't reach here, but fall back to permission denied
                  * error if we can't even access Horde. */
                 // Fall-through
             /* Shouldn't reach here, but fall back to permission denied
              * error if we can't even access Horde. */
             // Fall-through
             case self::PERMISSION_DENIED:
                 $failure = new Horde_Exception_AuthenticationFailure($e->getMessage(), Horde_Auth::REASON_MESSAGE);
                 $failure->application = $app;
                 throw $failure;
         }
         throw $e;
     }
     if ($args['timezone']) {
         $registry->setTimeZone();
     }
     if (!$args['nocompress']) {
         $GLOBALS['page_output']->startCompression();
     }
     if ($args['user_admin']) {
         if (empty($GLOBALS['conf']['auth']['admins'])) {
             throw new Horde_Exception(Horde_Core_Translation::t("Admin authentication requested, but no admin users defined in configuration."));
         }
         $registry->setAuth(reset($GLOBALS['conf']['auth']['admins']), array(), array('no_convert' => true));
     }
     if ($args['permission']) {
         $admin_opts = array('permission' => $args['permission'][0], 'permlevel' => isset($args['permission'][1]) ? $args['permission'][1] : Horde_Perms::SHOW);
         if (!$registry->isAdmin($admin_opts)) {
             throw new Horde_Exception_PermissionDenied(Horde_Core_Translation::t("Permission denied."));
         }
     }
     return $appob;
 }
Exemple #2
0
 /**
  * ungimp_ie
  *
  * This function sets the cache limiting to public if you are running
  * some flavor of IE and not using HTTPS.
  */
 public static function ungimp_ie()
 {
     // If no https, no ungimpage required
     if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'on') {
         return true;
     }
     $browser = new Horde_Browser();
     if ($browser->isBrowser('msie')) {
         session_cache_limiter('public');
     }
     return true;
 }