0byte V.2
PHP Backdoor

Linux 116-202-49-93.cprapid.com 5.14.0-611.49.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Apr 21 16:39:08 EDT 2026 x86_64 [ FIND EXPLOIT ]
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/home/vhtecindia/public_html/bcvps.in/application/libraries/dompdf2/src/FrameReflower/

* @author Fabien Ménager * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */ namespace Dompdf\FrameReflower; use Dompdf\Frame; use Dompdf\Helpers; use Dompdf\FrameDecorator\Block as BlockFrameDecorator; use Dompdf\FrameDecorator\Image as ImageFrameDecorator; /** * Image reflower class * * @package dompdf */ class Image extends AbstractFrameReflower { /** * Image constructor. * @param ImageFrameDecorator $frame */ function __construct(ImageFrameDecorator $frame) { parent::__construct($frame); } /** * @param BlockFrameDecorator|null $block */ function reflow(BlockFrameDecorator $block = null) { $this->_frame->position(); //FLOAT //$frame = $this->_frame; //$page = $frame->get_root(); //if ($frame->get_style()->float !== "none" ) { // $page->add_floating_frame($this); //} // Set the frame's width $this->get_min_max_width(); if ($block) { $block->add_frame_to_line($this->_frame); } } /** * @return array */ function get_min_max_width() { $frame = $this->_frame; if ($this->get_dompdf()->getOptions()->getDebugPng()) { // Determine the image's size. Time consuming. Only when really needed? list($img_width, $img_height) = Helpers::dompdf_getimagesize($frame->get_image_url(), $this->get_dompdf()->getHttpContext()); print "get_min_max_width() " . $frame->get_style()->width . ' ' . $frame->get_style()->height . ';' . $frame->get_parent()->get_style()->width . " " . $frame->get_parent()->get_style()->height . ";" . $frame->get_parent()->get_parent()->get_style()->width . ' ' . $frame->get_parent()->get_parent()->get_style()->height . ';' . $img_width . ' ' . $img_height . '|'; } $style = $frame->get_style(); $width_forced = true; $height_forced = true; //own style auto or invalid value: use natural size in px //own style value: ignore suffix text including unit, use given number as px //own style %: walk up parent chain until found available space in pt; fill available space // //special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto $width = $this->get_size($frame, 'width'); $height = $this->get_size($frame, 'height'); if ($width === 'auto' || $height === 'auto') { // Determine the image's size. Time consuming. Only when really needed! list($img_width, $img_height) = Helpers::dompdf_getimagesize($frame->get_image_url(), $this->get_dompdf()->getHttpContext()); // don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable. // Resample according to px per inch // See also ListBulletImage::__construct if ($width === 'auto' && $height === 'auto') { $dpi = $frame->get_dompdf()->getOptions()->getDpi(); $width = (float)($img_width * 72) / $dpi; $height = (float)($img_height * 72) / $dpi; $width_forced = false; $height_forced = false; } elseif ($height === 'auto') { $height_forced = false; $height = ($width / $img_width) * $img_height; //keep aspect ratio } else { $width_forced = false; $width = ($height / $img_height) * $img_width; //keep aspect ratio } } // Handle min/max width/height if ($style->min_width !== "none" || $style->max_width !== "none" || $style->min_height !== "none" || $style->max_height !== "none" ) { list( /*$x*/, /*$y*/, $w, $h) = $frame->get_containing_block(); $min_width = $style->length_in_pt($style->min_width, $w); $max_width = $style->length_in_pt($style->max_width, $w); $min_height = $style->length_in_pt($style->min_height, $h); $max_height = $style->length_in_pt($style->max_height, $h); if ($max_width !== "none" && $max_width !== "auto" && $width > (float)$max_width) { if (!$height_forced) { $height *= (float)$max_width / $width; } $width = (float)$max_width; } if ($min_width !== "none" && $min_width !== "auto" && $width < (float)$min_width) { if (!$height_forced) { $height *= (float)$min_width / $width; } $width = (float)$min_width; } if ($max_height !== "none" && $max_height !== "auto" && $height > (float)$max_height) { if (!$width_forced) { $width *= (float)$max_height / $height; } $height = (float)$max_height; } if ($min_height !== "none" && $min_height !== "auto" && $height < (float)$min_height) { if (!$width_forced) { $width *= (float)$min_height / $height; } $height = (float)$min_height; } } if ($this->get_dompdf()->getOptions()->getDebugPng()) { print $width . ' ' . $height . ';'; } $style->width = $width . "pt"; $style->height = $height . "pt"; $style->min_width = "none"; $style->max_width = "none"; $style->min_height = "none"; $style->max_height = "none"; return [$width, $width, "min" => $width, "max" => $width]; } private function get_size(Frame $f, string $type) { $ref_stack = []; $result_size = 0.0; do { $f_style = $f->get_style(); $current_size = $f_style->$type; if (Helpers::is_percent($current_size)) { $ref_stack[] = str_replace('%px', '%', $current_size); } else { // auto is a valid first result. In case of previous percentage values we need a real size if ($current_size !== 'auto' || count($ref_stack) === 0) { $result_size = $f_style->length_in_pt($current_size); break; } } } while (($f = $f->get_parent())); // if we built a percentage stack walk up to find the real size if (count($ref_stack) > 0) { while (($ref = array_pop($ref_stack))) { $result_size = $f_style->length_in_pt($ref, $result_size); } } return $result_size; } }

0byte V.2PHP Backdoor

0byte V.2
PHP Backdoor