X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Fresponse%2Fimage%2Fclass_ImageResponse.php;fp=inc%2Fclasses%2Fmain%2Fresponse%2Fimage%2Fclass_ImageResponse.php;h=c03e6ea6e5519c2672449525fa6634bd68a83328;hb=886d3459eb15f9bc6b15051b2fe2d3605c19a5d4;hp=0000000000000000000000000000000000000000;hpb=7be9aec7da3a85e55153376faada5388f4876541;p=mailer.git diff --git a/inc/classes/main/response/image/class_ImageResponse.php b/inc/classes/main/response/image/class_ImageResponse.php new file mode 100644 index 0000000000..c03e6ea6e5 --- /dev/null +++ b/inc/classes/main/response/image/class_ImageResponse.php @@ -0,0 +1,268 @@ + + * @version 0.0.0 + * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software + * @license GNU GPL 3.0 or any newer version + * @link http://www.ship-simu.org + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + * The extended headers are taken from phpMyAdmin setup tool, written by + * Michal Cihar , licensed under GNU GPL 2.0. + */ +class ImageResponse extends BaseResponse implements Responseable { + /** + * Instance of the image + */ + private $imageInstance = null; + + /** + * Protected constructor + * + * @return void + */ + protected function __construct () { + // Call parent constructor + parent::__construct(__CLASS__); + } + + /** + * Creates an object of this class + * + * @param $appInstance An instance of a manageable application + * @return $responseInstance A prepared instance of this class + */ + public final static function createImageResponse (ManageableApplication $appInstance) { + // Get a new instance + $responseInstance = new ImageResponse(); + + // Set the application instance + $responseInstance->setApplicationInstance($appInstance); + + // Initialize the template engine here + $responseInstance->initTemplateEngine($appInstance); + + // Return the prepared instance + return $responseInstance; + } + + /** + * Initializes the template engine instance + * + * @param $appInstance An instance of a manageable application + * @return void + */ + public final function initTemplateEngine (ManageableApplication $appInstance) { + // Get config instance + $cfg = $this->getConfigInstance(); + + // Set new template engine + $cfg->setConfigEntry('template_class' , $cfg->readConfig('image_template_class')); + $cfg->setConfigEntry('raw_template_extension' , ".img"); + $cfg->setConfigEntry('code_template_extension', ".itp"); + $cfg->setConfigEntry('tpl_base_path' , "templates/images/"); + $cfg->setConfigEntry('code_template_type' , "image"); + + // Get a prepared instance + $this->setTemplateInstance($this->prepareTemplateInstance($appInstance)); + } + + /** + * Adds a cookie to the response + * + * @param $cookieName Cookie's name + * @param $cookieValue Value to store in the cookie + * @param $encrypted Do some extra encryption on the value + * @param $expires Timestamp of expiration (default: configured) + * @return void + * @throws ResponseHeadersAlreadySentException If headers are already sent + * @todo Encryption of cookie data not yet supported. + * @todo Why are these parameters conflicting? + * @todo If the return statement is removed and setcookie() commented out, + * @todo this will send only one cookie out, the first one. + */ + public function addCookie ($cookieName, $cookieValue, $encrypted = false, $expires = null) { + // Are headers already sent? + if (headers_sent()) { + // Throw an exception here + throw new ResponseHeadersAlreadySentException($this, self::EXCEPTION_HEADERS_ALREADY_SENT); + } // END - if + + // Shall we encrypt the cookie? + if ($encrypted === true) { + } // END - if + + // For slow browsers set the cookie array element first + $_COOKIE[$cookieName] = $cookieValue; + + // Get all config entries + if (is_null($expires)) { + $expires = (time() + $this->getConfigInstance()->readConfig('cookie_expire')); + } // END - if + + $path = $this->getConfigInstance()->readConfig('cookie_path'); + $domain = $this->getConfigInstance()->readConfig('cookie_domain'); + + setcookie($cookieName, $cookieValue, $expires); + //, $path, $domain, (isset($_SERVER['HTTPS'])) + return; + + // Now construct the full header + $cookieString = $cookieName . "=" . $cookieValue . "; "; + $cookieString .= "expires=" . date("D, d-F-Y H:i:s", $expires) . " GMT"; + // $cookieString .= "; path=".$path."; domain=".$domain; + + // Set the cookie as a header + $this->cookies[$cookieName] = $cookieString; + } + + /** + * Redirect to a configured URL. The URL can be absolute or relative. In + * case of relative URL it will be extended automatically. + * + * @param $configEntry The configuration entry which holds our URL + * @return void + * @throws ResponseHeadersAlreadySentException If headers are already sent + */ + public function redirectToConfiguredUrl ($configEntry) { + // Is the header not yet sent? + if (headers_sent()) { + // Throw an exception here + throw new ResponseHeadersAlreadySentException($this, self::EXCEPTION_HEADERS_ALREADY_SENT); + } // END - if + + // Assign application data + $this->getTemplateInstance()->assignApplicationData($this->getApplicationInstance()); + + // Get the url from config + $url = $this->getConfigInstance()->readConfig($configEntry); + + // Compile the URL + $url = $this->getTemplateInstance()->compileRawCode($url); + + // Do we have a "http" in front of the URL? + if (substr(strtolower($url), 0, 4) != "http") { + // Is there a / in front of the relative URL? + if (substr($url, 0, 1) == "/") $url = substr($url, 1); + + // No, then extend it with our base URL + $url = $this->getConfigInstance()->readConfig('base_url') . "/" . $url; + } // END - if + + // Add redirect header + $this->addHeader("Location", $url); + + // Set correct response status + $this->setResponseStatus("301 Moved Permanently"); + + // Clear the body + $this->setResponseBody(""); + + // Flush the result + $this->flushBuffer(); + + // All done here... + exit(); + } + + /** + * Flushs the cached HTTP response to the outer world + * + * @param $force Wether we shall force the output or abort if headers are + * already sent with an exception + * @return void + */ + public function flushBuffer ($force = false) { + // Finish the image + $this->getImageInstance()->finishImage(); + + // Get image content + $content = $this->getImageInstance()->getContent(); + + // Set it as response body + $this->setResponseBody($content); + + // Set content type + $this->addHeader('Content-type', "image/".$this->getImageInstance()->getImageType()); + + // Call parent method + parent::flushBuffer($force); + } + + /** + * Expires the given cookie if it is set + * + * @param $cookieName Cookie to expire + * @return void + */ + public function expireCookie ($cookieName) { + // Is the cookie there? + if (isset($_COOKIE[$cookieName])) { + // Then expire it with 20 minutes past + $this->addCookie($cookieName, "", false, (time() - 1200)); + + // Remove it from array + unset($_COOKIE[$cookieName]); + } // END - if + } + + /** + * Refreshs a given cookie. This will make the cookie live longer + * + * @param $cookieName Cookie to refresh + * @return void + */ + public function refreshCookie ($cookieName) { + // Only update existing cookies + if (isset($_COOKIE[$cookieName])) { + // Update the cookie + $this->addCookie($cookieName, $_COOKIE[$cookieName], false); + } // END - if + } + + /** + * Setter for image instanxe + * + * @param $imageInstance An instance of an image + * @return void + */ + public final function setImageInstance (BaseImage $imageInstance) { + $this->imageInstance = $imageInstance; + } + + /** + * Getter for image instanxe + * + * @return $imageInstance An instance of an image + */ + public final function getImageInstance () { + return $this->imageInstance; + } + + /** + * Getter for default command + * + * @return $defaultCommand Default command for this response + */ + public function getDefaultCommand () { + $defaultCommand = $this->getConfigInstance()->readConfig('default_image_command'); + return $defaultCommand; + } +} + +// [EOF] +?>