/** * Handles get requests. * * @param Alpha\Util\Http\Request $request * * @return Alpha\Util\Http\Response * * @since 1.0 * * @throws Alpha\Exception\ResourceNotFoundException * @throws Alpha\Exception\ResourceNotAllowedException */ public function doGet($request) { self::$logger->debug('>>doGet(request=[' . var_export($request, true) . '])'); $config = ConfigProvider::getInstance(); $params = $request->getParams(); try { $imgSource = urldecode($params['source']); $imgWidth = $params['width']; $imgHeight = $params['height']; $imgType = $params['type']; $imgQuality = (double) $params['quality']; $imgScale = new Boolean($params['scale']); $imgSecure = new Boolean($params['secure']); } catch (\Exception $e) { self::$logger->error('Required param missing for ImageController controller[' . $e->getMessage() . ']'); throw new ResourceNotFoundException('File not found'); } $modified = filemtime($imgSource); $responseHeaders = array(); $responseHeaders['Last-Modified'] = date('D, d M Y H:i:s', $modified) . ' GMT'; $responseHeaders['Cache-Control'] = 'max-age=1800'; // exit if not modified if ($request->getHeader('If-Modified-Since') != null) { if (strtotime($request->getHeader('If-Modified-Since')) == $modified) { return new Response(304, '', $responseHeaders); } } // handle secure tokens if ($imgSecure->getBooleanValue() && $config->get('cms.images.widget.secure')) { $valid = $this->checkSecurityFields(); // if not valid, just return a blank black image of the same dimensions if (!$valid) { $im = imagecreatetruecolor($imgWidth, $imgHeight); $bgc = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, $imgWidth, $imgHeight, $bgc); if ($imgSource == 'png' && $config->get('cms.images.perserve.png')) { ob_start(); imagepng($im); $body = ob_get_contents(); $contentType = 'image/png'; ob_end_clean(); } else { ob_start(); imagejpeg($im); $body = ob_get_contents(); $contentType = 'image/jpeg'; ob_end_clean(); } imagedestroy($im); self::$logger->warn('The client [' . $request->getUserAgent() . '] was blocked from accessing the file [' . $imgSource . '] due to bad security tokens being provided'); $responseHeaders['Content-Type'] = $contentType; return new Response(200, $body, $responseHeaders); } } try { $image = new Image($imgSource, $imgWidth, $imgHeight, $imgType, $imgQuality, $imgScale->getBooleanValue(), $imgSecure->getBooleanValue()); ob_start(); $image->renderImage(); $body = ob_get_contents(); ob_end_clean(); } catch (IllegalArguementException $e) { self::$logger->error($e->getMessage()); throw new ResourceNotFoundException('File not found'); } self::$logger->debug('<<__doGet'); if ($imgSource == 'png' && $config->get('cms.images.perserve.png')) { $responseHeaders['Content-Type'] = 'image/png'; } else { $responseHeaders['Content-Type'] = 'image/jpeg'; } return new Response(200, $body, $responseHeaders); }