| | |
| | | <?php |
| | | |
| | | /* |
| | | /** |
| | | +-----------------------------------------------------------------------+ |
| | | | This file is part of the Roundcube PHP suite | |
| | | | Copyright (C) 2005-2012 The Roundcube Dev Team | |
| | | | Copyright (C) 2005-2014 The Roundcube Dev Team | |
| | | | | |
| | | | Licensed under the GNU General Public License version 3 or | |
| | | | any later version with exceptions for skins & plugins. | |
| | |
| | | protected $config; |
| | | protected $charset = RCUBE_CHARSET; |
| | | protected $env = array(); |
| | | protected $skins = array(); |
| | | |
| | | |
| | | /** |
| | |
| | | $this->browser = new rcube_browser(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Magic getter |
| | | */ |
| | | public function __get($var) |
| | | { |
| | | // allow read-only access to $env |
| | | if ($var == 'env') |
| | | return $this->env; |
| | | // allow read-only access to some members |
| | | switch ($var) { |
| | | case 'env': return $this->env; |
| | | case 'skins': return $this->skins; |
| | | case 'charset': return $this->charset; |
| | | } |
| | | |
| | | return null; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Setter for output charset. |
| | |
| | | $this->charset = $charset; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Getter for output charset |
| | | * |
| | |
| | | { |
| | | return $this->charset; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Set environment variable |
| | |
| | | { |
| | | $this->env[$name] = $value; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Environment variable getter. |
| | |
| | | return $this->env[$name]; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Delete all stored env variables and commands |
| | | */ |
| | |
| | | { |
| | | $this->env = array(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Invoke display_message command |
| | |
| | | */ |
| | | abstract function show_message($message, $type = 'notice', $vars = null, $override = true, $timeout = 0); |
| | | |
| | | |
| | | /** |
| | | * Redirect to a certain url. |
| | | * |
| | |
| | | */ |
| | | abstract function redirect($p = array(), $delay = 1); |
| | | |
| | | |
| | | /** |
| | | * Send output to the client. |
| | | */ |
| | | abstract function send(); |
| | | |
| | | |
| | | /** |
| | | * Send HTTP headers to prevent caching a page |
| | |
| | | header("Expires: ".gmdate("D, d M Y H:i:s")." GMT"); |
| | | header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); |
| | | |
| | | // Request browser to disable DNS prefetching (CVE-2010-0464) |
| | | header("X-DNS-Prefetch-Control: off"); |
| | | |
| | | // We need to set the following headers to make downloads work using IE in HTTPS mode. |
| | | if ($this->browser->ie && rcube_utils::https_check()) { |
| | | header('Pragma: private'); |
| | | header("Cache-Control: private, must-revalidate"); |
| | | } |
| | | else { |
| | | header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0"); |
| | | header("Cache-Control: private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0"); |
| | | header("Pragma: no-cache"); |
| | | } |
| | | } |
| | |
| | | */ |
| | | public function future_expire_header($offset = 2600000) |
| | | { |
| | | if (headers_sent()) |
| | | if (headers_sent()) { |
| | | return; |
| | | } |
| | | |
| | | header("Expires: " . gmdate("D, d M Y H:i:s", time()+$offset) . " GMT"); |
| | | header("Cache-Control: max-age=$offset"); |
| | | header("Pragma: "); |
| | | } |
| | | |
| | | /** |
| | | * Send browser compatibility/security/etc. headers |
| | | */ |
| | | public function common_headers() |
| | | { |
| | | if (headers_sent()) { |
| | | return; |
| | | } |
| | | |
| | | // Unlock IE compatibility mode |
| | | if ($this->browser->ie) { |
| | | header('X-UA-Compatible: IE=edge'); |
| | | } |
| | | |
| | | // Request browser to disable DNS prefetching (CVE-2010-0464) |
| | | header("X-DNS-Prefetch-Control: off"); |
| | | |
| | | // send CSRF and clickjacking protection headers |
| | | if ($xframe = $this->app->config->get('x_frame_options', 'sameorigin')) { |
| | | header('X-Frame-Options: ' . $xframe); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Show error page and terminate script execution |
| | |
| | | fputs(STDERR, "Error $code: $message\n"); |
| | | exit(-1); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Create an edit field for inclusion on a form |
| | |
| | | return $out; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Convert a variable into a javascript object notation |
| | | * |
| | |
| | | // that's why we have @ here |
| | | return @json_encode($input); |
| | | } |
| | | |
| | | } |