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<?php |
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declare(strict_types=1); |
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/** |
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* Saito - The Threaded Web Forum |
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* |
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* @copyright Copyright (c) the Saito Project Developers |
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* @link https://github.com/Schlaefer/Saito |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace BbcodeParser\Lib\Helper; |
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use Cake\Core\Configure; |
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use Cake\Validation\Validator; |
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use Saito\DomainParser; |
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use Saito\RememberTrait; |
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/** |
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* @property \MailObfuscator\View\Helper\MailObfuscatorHelper $MailObfuscator |
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* @property \Cake\View\Helper\UrlHelper $Url |
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*/ |
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trait UrlParserTrait |
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{ |
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use RememberTrait; |
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/** |
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* Enforces HTTPS-scheme on URL |
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* |
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* Applied if: |
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* - current host runs on HTTPS |
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* |
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* @param string $url URL |
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* @return string |
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*/ |
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protected function _urlToHttps(string $url): string |
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{ |
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if (!env('HTTPS')) { |
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return $url; |
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} |
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return str_replace('http://', 'https://', $url); |
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} |
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/** |
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* Generate email link |
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* |
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* @param string $url address |
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* @param string $text title |
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* |
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* @return mixed |
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*/ |
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protected function _email($url, $text = null) |
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{ |
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if (empty($text)) { |
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$text = null; |
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} |
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$url = str_replace('mailto:', '', $url); |
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return $this->MailObfuscator->link($url, $text); |
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} |
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/** |
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* Generate URL |
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* |
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* @param string $url URL |
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* @param string $text title |
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* @param bool $label show label |
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* @param bool $truncate trunctate |
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* |
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* @return string |
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* @throws \Exception |
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*/ |
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protected function _url($url, $text, $label = false, $truncate = false) |
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{ |
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// add http:// to URLs without protocol |
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if (strpos($url, '://') === false) { |
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// use Cakes Validation class to detect valid URL |
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$validator = new Validator(); |
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$validator->add('url', ['url' => ['rule' => 'url']]); |
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$errors = $validator->validate(['url' => $url]); |
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if (empty($errors)) { |
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$url = 'http://' . $url; |
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} |
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} |
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$out = "<a href='$url' class=\"richtext-link"; |
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if ($truncate) { |
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$out .= ' truncate'; |
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} |
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$out .= "\">$text</a>"; |
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$out = $this->_decorateTarget($out); |
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// add domain info: `[url=domain.info]my link[/url]` -> `my link [domain.info]` |
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if ($label !== false && $label !== 'none' && $label !== 'false') { |
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if (!empty($url) && preg_match('/\<img\s*?src=/', $text) !== 1) { |
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$host = DomainParser::domainAndTld($url); |
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if ($host !== null && $host !== env('SERVER_NAME')) { |
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$out .= ' <span class=\'richtext-linkInfo\'>[' . $host . ']</span>'; |
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} |
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} |
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} |
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return $out; |
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} |
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/** |
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* Adds target="_blank" to *all* external links in arbitrary string $string |
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* |
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* @param string $string string |
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* |
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* @return string |
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*/ |
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protected function _decorateTarget($string) |
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{ |
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$decorator = function ($matches) { |
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$out = ''; |
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$url = $matches[1]; |
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// preventing error message for parse_url('http://'); |
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if (substr($url, -3) === '://') { |
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return $matches[0]; |
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} |
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$parsedUrl = parse_url($url); |
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if (isset($parsedUrl['host'])) { |
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if ($parsedUrl['host'] !== env('SERVER_NAME') && $parsedUrl['host'] !== "www." . env('SERVER_NAME')) { |
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$out = " rel='external' target='_blank'"; |
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} |
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} |
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return $matches[0] . $out; |
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}; |
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return preg_replace_callback( |
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'#href=["\'](.*?)["\']#is', |
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$decorator, |
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$string |
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); |
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} |
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/** |
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* Creates an URL to an uploaded file based on $id |
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* |
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* @param string $path currently name in uploads folder |
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* @return string URL |
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*/ |
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protected function _linkToUploadedFile(string $path): string |
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{ |
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$generator = $this->remember('urlGenerator', function (): UploadUrlInterface { |
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return Configure::read('Saito.Settings.UploadUrl'); |
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}); |
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return $generator->build($path); |
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} |
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} |
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Schlaefer /
Saito
