76 lines
1.9 KiB
PHP
76 lines
1.9 KiB
PHP
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<?php
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final class PhabricatorImageRemarkupRule extends PhutilRemarkupRule {
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public function getPriority() {
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return 200.0;
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}
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public function apply($text) {
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return preg_replace_callback(
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'@{(image|img) ((?:[^}\\\\]+|\\\\.)*)}@m',
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array($this, 'markupImage'),
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$text);
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}
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public function markupImage(array $matches) {
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if (!$this->isFlatText($matches[0])) {
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return $matches[0];
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}
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$args = array();
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$defaults = array(
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'uri' => null,
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'alt' => null,
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'href' => null,
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'width' => null,
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'height' => null,
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);
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$trimmed_match = trim($matches[2]);
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if ($this->isURI($trimmed_match)) {
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$args['uri'] = new PhutilURI($trimmed_match);
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} else {
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$parser = new PhutilSimpleOptions();
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$keys = $parser->parse($trimmed_match);
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$uri_key = '';
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foreach (array('src', 'uri', 'url') as $key) {
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if (array_key_exists($key, $keys)) {
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$uri_key = $key;
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}
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}
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if ($uri_key) {
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$args['uri'] = new PhutilURI($keys[$uri_key]);
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}
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$args += $keys;
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}
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$args += $defaults;
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if ($args['href'] && !PhabricatorEnv::isValidURIForLink($args['href'])) {
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$args['href'] = null;
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}
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if ($args['uri']) {
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$src_uri = id(new PhutilURI('/file/imageproxy/'))
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->setQueryParam('uri', (string)$args['uri']);
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$img = $this->newTag(
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'img',
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array(
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'src' => $src_uri,
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'alt' => $args['alt'],
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'href' => $args['href'],
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'width' => $args['width'],
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'height' => $args['height'],
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));
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return $this->getEngine()->storeText($img);
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} else {
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return $matches[0];
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}
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}
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private function isURI($uri_string) {
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// Very simple check to make sure it starts with either http or https.
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// If it does, we'll try to treat it like a valid URI
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return preg_match('~^https?\:\/\/.*\z~i', $uri_string);
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}
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}
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