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<?php |
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declare(strict_types=1); |
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namespace AbterPhp\Framework\Assets; |
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class UrlFixer |
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{ |
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/** @var string[] */ |
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protected $quotes = ['"', "'"]; |
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/** @var string */ |
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protected $cacheUrl = ''; |
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/** |
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* UrlFixer constructor. |
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* |
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* @param string $cacheUrl |
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*/ |
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public function __construct(string $cacheUrl) |
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{ |
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$this->cacheUrl = $cacheUrl; |
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} |
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/** |
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* FixCSS tries to compensate for minification of CSS stylesheets |
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* - It looks for URLs |
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* - Maintains optional quotes used |
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* - Calls fixUrl to modify the URL if needed |
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* |
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* @param string $content |
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* @param string $path |
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* |
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* @return string |
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*/ |
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public function fixCss(string $content, string $path): string |
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{ |
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if (!preg_match_all('/url\s*\(\s*(\S*)\s*\)/Umsi', $content, $matches)) { |
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return $content; |
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} |
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foreach ($matches[1] as $i => $match) { |
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if (mb_strlen($match) < 2) { |
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continue; |
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} |
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$q = mb_substr($match, 0, 1); |
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$q = in_array($q, $this->quotes, true) ? $q : ''; |
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if ($q && mb_substr($match, -1) !== $q) { |
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continue; |
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} |
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$url = $q ? mb_substr($match, 1, -1) : $match; |
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$fixedUrl = $this->fixUrl($url, $path); |
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if ($fixedUrl == $url) { |
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continue; |
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} |
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$search = $matches[0][$i]; |
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$replace = 'url(' . $q . $fixedUrl . $q . ')'; |
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$content = str_replace($search, $replace, $content); |
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} |
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return $content; |
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} |
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/** |
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* @param string $url |
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* @param string $path |
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* |
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* @return string |
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*/ |
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public function fixJs(string $url, string $path): string |
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{ |
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return $url; |
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} |
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/** |
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* Fix URL will try to turn a URL into a full qualified URI |
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* |
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* - Data URLs skipped |
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* - Already fully qualitied URIs skipped |
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* |
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* @param string $url |
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* @param string $path |
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* |
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* @return string |
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*/ |
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protected function fixUrl(string $url, string $path): string |
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{ |
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if (mb_substr($url, 0, 5) === 'data:') { |
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return $url; |
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} |
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if (strpos($url, '://') !== false) { |
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return $url; |
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} |
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$ch = mb_substr($url, 0, 1); |
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if ($ch === '/') { |
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return $this->cacheUrl . $url; |
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} |
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$origUrl = $url; |
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while (mb_substr($url, 0, 2) == './') { |
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$url = mb_substr($url, 2); |
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} |
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$out = 0; |
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while (mb_substr($url, 0, 3) == '../') { |
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$out++; |
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$url = mb_substr($url, 3); |
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} |
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$parts = explode(DIRECTORY_SEPARATOR, $url); |
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if (count($parts) < $out) { |
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return $this->cacheUrl . DIRECTORY_SEPARATOR . $parts[count($parts) - 1]; |
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} |
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$url = implode(DIRECTORY_SEPARATOR, array_slice($parts, $out)); |
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return $this->cacheUrl . DIRECTORY_SEPARATOR . $url; |
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} |
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} |
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abterphp /
framework
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.