Shell Bypass 403 GE-C666C

Ghost Exploiter Team Official

Directory >> /var/www/html/back/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/

File / Folder	Size	Action
.	-
AlphaValue.php	0.774KB	edt ren
Background.php	3.235KB	edt ren
BackgroundPosition.php	4.068KB	edt ren
Border.php	1.554KB	edt ren
Color.php	4.57KB	edt ren
Composite.php	1.301KB	edt ren
DenyElementDecorator.php	1.05KB	edt ren
Filter.php	2.271KB	edt ren
Font.php	6.454KB	edt ren
FontFamily.php	9.127KB	edt ren
Ident.php	0.707KB	edt ren
ImportantDecorator.php	1.56KB	edt ren
Length.php	1.853KB	edt ren
ListStyle.php	2.843KB	edt ren
Multiple.php	2.043KB	edt ren
Number.php	2.233KB	edt ren
Percentage.php	1.249KB	edt ren
Ratio.php	1.201KB	edt ren
TextDecoration.php	1.129KB	edt ren
URI.php	2.508KB	edt ren

<?php

/**
 * Validates shorthand CSS property font.
 */
class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
{

/**
     * Local copy of validators
     * @type HTMLPurifier_AttrDef[]
     * @note If we moved specific CSS property definitions to their own
     *       classes instead of having them be assembled at run time by
     *       CSSDefinition, this wouldn't be necessary.  We'd instantiate
     *       our own copies.
     */
    protected $info = array();

/**
     * @param HTMLPurifier_Config $config
     */
    public function __construct($config)
    {
        $def = $config->getCSSDefinition();
        $this->info['font-style'] = $def->info['font-style'];
        $this->info['font-variant'] = $def->info['font-variant'];
        $this->info['font-weight'] = $def->info['font-weight'];
        $this->info['font-size'] = $def->info['font-size'];
        $this->info['line-height'] = $def->info['line-height'];
        $this->info['font-family'] = $def->info['font-family'];
    }

/**
     * @param string $string
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return bool|string
     */
    public function validate($string, $config, $context)
    {
        static $system_fonts = array(
            'caption' => true,
            'icon' => true,
            'menu' => true,
            'message-box' => true,
            'small-caption' => true,
            'status-bar' => true
        );

// regular pre-processing
        $string = $this->parseCDATA($string);
        if ($string === '') {
            return false;
        }

// check if it's one of the keywords
        $lowercase_string = strtolower($string);
        if (isset($system_fonts[$lowercase_string])) {
            return $lowercase_string;
        }

$bits = explode(' ', $string); // bits to process
        $stage = 0; // this indicates what we're looking for
        $caught = array(); // which stage 0 properties have we caught?
        $stage_1 = array('font-style', 'font-variant', 'font-weight');
        $final = ''; // output

for ($i = 0, $size = count($bits); $i < $size; $i++) {
            if ($bits[$i] === '') {
                continue;
            }
            switch ($stage) {
                case 0: // attempting to catch font-style, font-variant or font-weight
                    foreach ($stage_1 as $validator_name) {
                        if (isset($caught[$validator_name])) {
                            continue;
                        }
                        $r = $this->info[$validator_name]->validate(
                            $bits[$i],
                            $config,
                            $context
                        );
                        if ($r !== false) {
                            $final .= $r . ' ';
                            $caught[$validator_name] = true;
                            break;
                        }
                    }
                    // all three caught, continue on
                    if (count($caught) >= 3) {
                        $stage = 1;
                    }
                    if ($r !== false) {
                        break;
                    }
                case 1: // attempting to catch font-size and perhaps line-height
                    $found_slash = false;
                    if (strpos($bits[$i], '/') !== false) {
                        list($font_size, $line_height) =
                            explode('/', $bits[$i]);
                        if ($line_height === '') {
                            // ooh, there's a space after the slash!
                            $line_height = false;
                            $found_slash = true;
                        }
                    } else {
                        $font_size = $bits[$i];
                        $line_height = false;
                    }
                    $r = $this->info['font-size']->validate(
                        $font_size,
                        $config,
                        $context
                    );
                    if ($r !== false) {
                        $final .= $r;
                        // attempt to catch line-height
                        if ($line_height === false) {
                            // we need to scroll forward
                            for ($j = $i + 1; $j < $size; $j++) {
                                if ($bits[$j] === '') {
                                    continue;
                                }
                                if ($bits[$j] === '/') {
                                    if ($found_slash) {
                                        return false;
                                    } else {
                                        $found_slash = true;
                                        continue;
                                    }
                                }
                                $line_height = $bits[$j];
                                break;
                            }
                        } else {
                            // slash already found
                            $found_slash = true;
                            $j = $i;
                        }
                        if ($found_slash) {
                            $i = $j;
                            $r = $this->info['line-height']->validate(
                                $line_height,
                                $config,
                                $context
                            );
                            if ($r !== false) {
                                $final .= '/' . $r;
                            }
                        }
                        $final .= ' ';
                        $stage = 2;
                        break;
                    }
                    return false;
                case 2: // attempting to catch font-family
                    $font_family =
                        implode(' ', array_slice($bits, $i, $size - $i));
                    $r = $this->info['font-family']->validate(
                        $font_family,
                        $config,
                        $context
                    );
                    if ($r !== false) {
                        $final .= $r . ' ';
                        // processing completed successfully
                        return rtrim($final);
                    }
                    return false;
            }
        }
        return false;
    }
}

// vim: et sw=4 sts=4