diff options
Diffstat (limited to 'vendor/chillerlan/php-qrcode/src/Output/QRMarkup.php')
| -rw-r--r-- | vendor/chillerlan/php-qrcode/src/Output/QRMarkup.php | 174 |
1 files changed, 54 insertions, 120 deletions
diff --git a/vendor/chillerlan/php-qrcode/src/Output/QRMarkup.php b/vendor/chillerlan/php-qrcode/src/Output/QRMarkup.php index 06d6e88cb..240bd45ad 100644 --- a/vendor/chillerlan/php-qrcode/src/Output/QRMarkup.php +++ b/vendor/chillerlan/php-qrcode/src/Output/QRMarkup.php @@ -2,9 +2,7 @@ /** * Class QRMarkup * - * @filesource QRMarkup.php * @created 17.12.2016 - * @package chillerlan\QRCode\Output * @author Smiley <smiley@chillerlan.net> * @copyright 2016 Smiley * @license MIT @@ -12,149 +10,85 @@ namespace chillerlan\QRCode\Output; -use chillerlan\QRCode\QRCode; - -use function is_string, sprintf, strip_tags, trim; +use function is_string, preg_match, strip_tags, trim; /** - * Converts the matrix into markup types: HTML, SVG, ... + * Abstract for markup types: HTML, SVG, ... XML anyone? */ -class QRMarkup extends QROutputAbstract{ - - protected string $defaultMode = QRCode::OUTPUT_MARKUP_SVG; - - /** - * @see \sprintf() - */ - protected string $svgHeader = '<svg xmlns="http://www.w3.org/2000/svg" class="qr-svg %1$s" '. - 'style="width: 100%%; height: auto;" viewBox="0 0 %2$d %2$d">'; +abstract class QRMarkup extends QROutputAbstract{ /** + * note: we're not necessarily validating the several values, just checking the general syntax + * note: css4 colors are not included + * + * @todo: XSS proof + * + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/color_value * @inheritDoc */ - protected function setModuleValues():void{ - - foreach($this::DEFAULT_MODULE_VALUES as $M_TYPE => $defaultValue){ - $v = $this->options->moduleValues[$M_TYPE] ?? null; - - if(!is_string($v)){ - $this->moduleValues[$M_TYPE] = $defaultValue - ? $this->options->markupDark - : $this->options->markupLight; - } - else{ - $this->moduleValues[$M_TYPE] = trim(strip_tags($v), '\'"'); - } + public static function moduleValueIsValid($value):bool{ + if(!is_string($value)){ + return false; } - } - - /** - * HTML output - */ - protected function html(string $file = null):string{ + $value = trim(strip_tags($value), " '\"\r\n\t"); - $html = empty($this->options->cssClass) - ? '<div>' - : '<div class="'.$this->options->cssClass.'">'; - - $html .= $this->options->eol; - - foreach($this->matrix->matrix() as $row){ - $html .= '<div>'; - - foreach($row as $M_TYPE){ - $html .= '<span style="background: '.$this->moduleValues[$M_TYPE].';"></span>'; - } - - $html .= '</div>'.$this->options->eol; + // hex notation + // #rgb(a) + // #rrggbb(aa) + if(preg_match('/^#([\da-f]{3}){1,2}$|^#([\da-f]{4}){1,2}$/i', $value)){ + return true; } - $html .= '</div>'.$this->options->eol; + // css: hsla/rgba(...values) + if(preg_match('#^(hsla?|rgba?)\([\d .,%/]+\)$#i', $value)){ + return true; + } - if($file !== null){ - return '<!DOCTYPE html>'. - '<head><meta charset="UTF-8"><title>QR Code</title></head>'. - '<body>'.$this->options->eol.$html.'</body>'; + // predefined css color + if(preg_match('/^[a-z]+$/i', $value)){ + return true; } - return $html; + return false; } /** - * SVG output - * - * @see https://github.com/codemasher/php-qrcode/pull/5 + * @inheritDoc */ - protected function svg(string $file = null):string{ - $matrix = $this->matrix->matrix(); - - $svg = sprintf($this->svgHeader, $this->options->cssClass, $this->options->svgViewBoxSize ?? $this->moduleCount) - .$this->options->eol - .'<defs>'.$this->options->svgDefs.'</defs>' - .$this->options->eol; - - foreach($this->moduleValues as $M_TYPE => $value){ - $path = ''; - - foreach($matrix as $y => $row){ - //we'll combine active blocks within a single row as a lightweight compression technique - $start = null; - $count = 0; - - foreach($row as $x => $module){ - - if($module === $M_TYPE){ - $count++; - - if($start === null){ - $start = $x; - } - - if(isset($row[$x + 1])){ - continue; - } - } - - if($count > 0){ - $len = $count; - $start ??= 0; // avoid type coercion in sprintf() - phan happy - - $path .= sprintf('M%s %s h%s v1 h-%sZ ', $start, $y, $len, $len); - - // reset count - $count = 0; - $start = null; - } - - } - - } - - if(!empty($path)){ - $svg .= sprintf( - '<path class="qr-%s %s" stroke="transparent" fill="%s" fill-opacity="%s" d="%s" />', - $M_TYPE, $this->options->cssClass, $value, $this->options->svgOpacity, $path - ); - } + protected function prepareModuleValue($value):string{ + return trim(strip_tags($value), " '\"\r\n\t"); + } - } + /** + * @inheritDoc + */ + protected function getDefaultModuleValue(bool $isDark):string{ + return ($isDark) ? '#000' : '#fff'; + } - // close svg - $svg .= '</svg>'.$this->options->eol; + /** + * @inheritDoc + */ + public function dump(?string $file = null):string{ + $data = $this->createMarkup($file !== null); - // if saving to file, append the correct headers - if($file !== null){ - return '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'. - $this->options->eol.$svg; - } + $this->saveToFile($data, $file); - if($this->options->imageBase64){ - $svg = sprintf('data:image/svg+xml;base64,%s', base64_encode($svg)); - } + return $data; + } - return $svg; + /** + * returns a string with all css classes for the current element + */ + protected function getCssClass(int $M_TYPE = 0):string{ + return $this->options->cssClass; } + /** + * returns the fully parsed and rendered markup string for the given input + */ + abstract protected function createMarkup(bool $saveToFile):string; + } |