use Shaarli\Bookmark\Bookmark;
-/**
- * Get cURL callback function for CURLOPT_WRITEFUNCTION
- *
- * @param string $charset to extract from the downloaded page (reference)
- * @param string $title to extract from the downloaded page (reference)
- * @param string $description to extract from the downloaded page (reference)
- * @param string $keywords to extract from the downloaded page (reference)
- * @param bool $retrieveDescription Automatically tries to retrieve description and keywords from HTML content
- * @param string $curlGetInfo Optionally overrides curl_getinfo function
- *
- * @return Closure
- */
-function get_curl_download_callback(
- &$charset,
- &$title,
- &$description,
- &$keywords,
- $retrieveDescription,
- $curlGetInfo = 'curl_getinfo'
-) {
- $isRedirected = false;
- $currentChunk = 0;
- $foundChunk = null;
-
- /**
- * cURL callback function for CURLOPT_WRITEFUNCTION (called during the download).
- *
- * While downloading the remote page, we check that the HTTP code is 200 and content type is 'html/text'
- * Then we extract the title and the charset and stop the download when it's done.
- *
- * @param resource $ch cURL resource
- * @param string $data chunk of data being downloaded
- *
- * @return int|bool length of $data or false if we need to stop the download
- */
- return function (&$ch, $data) use (
- $retrieveDescription,
- $curlGetInfo,
- &$charset,
- &$title,
- &$description,
- &$keywords,
- &$isRedirected,
- &$currentChunk,
- &$foundChunk
- ) {
- $currentChunk++;
- $responseCode = $curlGetInfo($ch, CURLINFO_RESPONSE_CODE);
- if (!empty($responseCode) && in_array($responseCode, [301, 302])) {
- $isRedirected = true;
- return strlen($data);
- }
- if (!empty($responseCode) && $responseCode !== 200) {
- return false;
- }
- // After a redirection, the content type will keep the previous request value
- // until it finds the next content-type header.
- if (! $isRedirected || strpos(strtolower($data), 'content-type') !== false) {
- $contentType = $curlGetInfo($ch, CURLINFO_CONTENT_TYPE);
- }
- if (!empty($contentType) && strpos($contentType, 'text/html') === false) {
- return false;
- }
- if (!empty($contentType) && empty($charset)) {
- $charset = header_extract_charset($contentType);
- }
- if (empty($charset)) {
- $charset = html_extract_charset($data);
- }
- if (empty($title)) {
- $title = html_extract_title($data);
- $foundChunk = ! empty($title) ? $currentChunk : $foundChunk;
- }
- if ($retrieveDescription && empty($description)) {
- $description = html_extract_tag('description', $data);
- $foundChunk = ! empty($description) ? $currentChunk : $foundChunk;
- }
- if ($retrieveDescription && empty($keywords)) {
- $keywords = html_extract_tag('keywords', $data);
- if (! empty($keywords)) {
- $foundChunk = $currentChunk;
- // Keywords use the format tag1, tag2 multiple words, tag
- // So we format them to match Shaarli's separator and glue multiple words with '-'
- $keywords = implode(' ', array_map(function($keyword) {
- return implode('-', preg_split('/\s+/', trim($keyword)));
- }, explode(',', $keywords)));
- }
- }
-
- // We got everything we want, stop the download.
- // If we already found either the title, description or keywords,
- // it's highly unlikely that we'll found the other metas further than
- // in the same chunk of data or the next one. So we also stop the download after that.
- if ((!empty($responseCode) && !empty($contentType) && !empty($charset)) && $foundChunk !== null
- && (! $retrieveDescription
- || $foundChunk < $currentChunk
- || (!empty($title) && !empty($description) && !empty($keywords))
- )
- ) {
- return false;
- }
-
- return strlen($data);
- };
-}
-
/**
* Extract title from an HTML document.
*
*/
function header_extract_charset($header)
{
- preg_match('/charset="?([^; ]+)/i', $header, $match);
+ preg_match('/charset=["\']?([^; "\']+)/i', $header, $match);
if (! empty($match[1])) {
return strtolower(trim($match[1]));
}
{
$propertiesKey = ['property', 'name', 'itemprop'];
$properties = implode('|', $propertiesKey);
- // Try to retrieve OpenGraph image.
- $ogRegex = '#<meta[^>]+(?:'. $properties .')=["\']?(?:og:)?'. $tag .'["\'\s][^>]*content=["\']?(.*?)["\'/>]#';
+ // We need a OR here to accept either 'property=og:noquote' or 'property="og:unrelated og:my-tag"'
+ $orCondition = '["\']?(?:og:)?'. $tag .'["\']?|["\'][^\'"]*?(?:og:)?' . $tag . '[^\'"]*?[\'"]';
+ // Try to retrieve OpenGraph tag.
+ $ogRegex = '#<meta[^>]+(?:'. $properties .')=(?:'. $orCondition .')[^>]*content=(["\'])([^\1]*?)\1.*?>#';
// If the attributes are not in the order property => content (e.g. Github)
// New regex to keep this readable... more or less.
- $ogRegexReverse = '#<meta[^>]+content=["\']([^"\']+)[^>]+(?:'. $properties .')=["\']?(?:og)?:'. $tag .'["\'\s/>]#';
+ $ogRegexReverse = '#<meta[^>]+content=(["\'])([^\1]*?)\1[^>]+(?:'. $properties .')=(?:'. $orCondition .').*?>#';
if (preg_match($ogRegex, $html, $matches) > 0
|| preg_match($ogRegexReverse, $html, $matches) > 0
) {
- return $matches[1];
+ return $matches[2];
}
return false;
*
* @param string $description shaare's description.
* @param string $indexUrl URL to Shaarli's index.
-
+ * @param bool $autolink Turn on/off automatic linkifications of URLs and hashtags
+ *
* @return string formatted description.
*/
-function format_description($description, $indexUrl = '')
+function format_description($description, $indexUrl = '', $autolink = true)
{
- return nl2br(space2nbsp(hashtag_autolink(text2clickable($description), $indexUrl)));
+ if ($autolink) {
+ $description = hashtag_autolink(text2clickable($description), $indexUrl);
+ }
+
+ return nl2br(space2nbsp($description));
}
/**
projects / github / shaarli / Shaarli.git / blobdiff