X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FParseUrl.php;h=9d19a4ebac9e02aade552216f4bbfc23f9727f21;hb=3749892f590088275f82d2c90ff1372d24e2d9ec;hp=abd9154da1cb83ba4adcbf3bd50ec58f00d25d6a;hpb=18c642f2a7ffce4fcef1e01bff55ae42143fc04a;p=friendica.git

diff --git a/src/Util/ParseUrl.php b/src/Util/ParseUrl.php
index abd9154da1..9d19a4ebac 100644
--- a/src/Util/ParseUrl.php
+++ b/src/Util/ParseUrl.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2022, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -24,6 +24,8 @@ namespace Friendica\Util;
 use DOMDocument;
 use DOMXPath;
 use Friendica\Content\OEmbed;
+use Friendica\Content\Text\HTML;
+use Friendica\Protocol\HTTP\MediaType;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Database\Database;
@@ -57,15 +59,22 @@ class ParseUrl
 	 * Fetch the content type of the given url
 	 * @param string $url    URL of the page
 	 * @param string $accept content-type to accept
+	 * @param int    $timeout
 	 * @return array content type
 	 */
-	public static function getContentType(string $url, string $accept = HttpClientAccept::DEFAULT)
+	public static function getContentType(string $url, string $accept = HttpClientAccept::DEFAULT, int $timeout = 0): array
 	{
-		$curlResult = DI::httpClient()->head($url, [HttpClientOptions::ACCEPT_CONTENT => $accept]);
+		if (!empty($timeout)) {
+			$options = [HttpClientOptions::TIMEOUT => $timeout];
+		} else {
+			$options = [];
+		}
+
+		$curlResult = DI::httpClient()->head($url, array_merge([HttpClientOptions::ACCEPT_CONTENT => $accept], $options));
 
-		// Workaround for systems that can't handle a HEAD request
-		if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() == 405)) {
-			$curlResult = DI::httpClient()->get($url, $accept, [HttpClientOptions::CONTENT_LENGTH => 1000000]);
+		// Workaround for systems that can't handle a HEAD request. Don't retry on timeouts.
+		if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() >= 400) && !in_array($curlResult->getReturnCode(), [408, 504])) {
+			$curlResult = DI::httpClient()->get($url, $accept, array_merge([HttpClientOptions::CONTENT_LENGTH => 1000000], $options));
 		}
 
 		if (!$curlResult->isSuccess()) {
@@ -101,7 +110,7 @@ class ParseUrl
 	 * @see   ParseUrl::getSiteinfo() for more information about scraping
 	 * embeddable content
 	 */
-	public static function getSiteinfoCached($url, $do_oembed = true): array
+	public static function getSiteinfoCached(string $url, bool $do_oembed = true): array
 	{
 		if (empty($url)) {
 			return [
@@ -180,7 +189,7 @@ class ParseUrl
 	 * </body>
 	 * @endverbatim
 	 */
-	public static function getSiteinfo($url, $do_oembed = true, $count = 1)
+	public static function getSiteinfo(string $url, bool $do_oembed = true, int $count = 1): array
 	{
 		if (empty($url)) {
 			return [
@@ -207,7 +216,7 @@ class ParseUrl
 		];
 
 		if ($count > 10) {
-			Logger::notice('Endless loop detected', ['url' => $url]);
+			Logger::warning('Endless loop detected', ['url' => $url]);
 			return $siteinfo;
 		}
 
@@ -276,25 +285,13 @@ class ParseUrl
 		}
 
 		$charset = '';
-		// Look for a charset, first in headers
-		// Expected form: Content-Type: text/html; charset=ISO-8859-4
-		if (preg_match('/charset=([a-z0-9-_.\/]+)/i', $curlResult->getContentType(), $matches)) {
-			$charset = trim(trim(trim(array_pop($matches)), ';,'));
-		}
-
-		// Then in body that gets precedence
-		// Expected forms:
-		// - <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-		// - <meta charset="utf-8">
-		// - <meta charset=utf-8>
-		// - <meta charSet="utf-8">
-		// We escape <style> and <script> tags since they can contain irrelevant charset information
-		// (see https://github.com/friendica/friendica/issues/9251#issuecomment-698636806)
-		Strings::performWithEscapedBlocks($body, '#<(?:style|script).*?</(?:style|script)>#ism', function ($body) use (&$charset) {
-			if (preg_match('/charset=["\']?([a-z0-9-_.\/]+)/i', $body, $matches)) {
-				$charset = trim(trim(trim(array_pop($matches)), ';,'));
+		try {
+			// Look for a charset, first in headers
+			$mediaType = MediaType::fromContentType($curlResult->getContentType());
+			if (isset($mediaType->parameters['charset'])) {
+				$charset = $mediaType->parameters['charset'];
 			}
-		});
+		} catch(\InvalidArgumentException $e) {}
 
 		$siteinfo['charset'] = $charset;
 
@@ -308,9 +305,15 @@ class ParseUrl
 
 		$body = mb_convert_encoding($body, 'HTML-ENTITIES', 'UTF-8');
 
+		if (empty($body)) {
+			return $siteinfo;
+		}
+
 		$doc = new DOMDocument();
 		@$doc->loadHTML($body);
 
+		$siteinfo['charset'] = HTML::extractCharset($doc) ?? $siteinfo['charset'];
+
 		XML::deleteNode($doc, 'style');
 		XML::deleteNode($doc, 'option');
 		XML::deleteNode($doc, 'h1');
@@ -543,16 +546,20 @@ class ParseUrl
 	{
 		if (!empty($siteinfo['images'])) {
 			array_walk($siteinfo['images'], function (&$image) use ($page_url) {
-				// According to the specifications someone could place a picture url into the content field as well.
-				// But this doesn't seem to happen in the wild, so we don't cover it here.
+				/*
+				 * According to the specifications someone could place a picture
+				 * URL into the content field as well. But this doesn't seem to
+				 * happen in the wild, so we don't cover it here.
+				 */
 				if (!empty($image['url'])) {
 					$image['url'] = self::completeUrl($image['url'], $page_url);
 					$photodata = Images::getInfoFromURLCached($image['url']);
-					if (!empty($photodata) && ($photodata[0] > 50) && ($photodata[1] > 50)) {
+					if (($photodata) && ($photodata[0] > 50) && ($photodata[1] > 50)) {
 						$image['src'] = $image['url'];
 						$image['width'] = $photodata[0];
 						$image['height'] = $photodata[1];
 						$image['contenttype'] = $photodata['mime'];
+						$image['blurhash'] = $photodata['blurhash'] ?? null;
 						unset($image['url']);
 						ksort($image);
 					} else {
@@ -631,17 +638,19 @@ class ParseUrl
 	 * Convert tags from CSV to an array
 	 *
 	 * @param string $string Tags
+	 *
 	 * @return array with formatted Hashtags
 	 */
-	public static function convertTagsToArray($string)
+	public static function convertTagsToArray(string $string): array
 	{
 		$arr_tags = str_getcsv($string);
 		if (count($arr_tags)) {
 			// add the # sign to every tag
-			array_walk($arr_tags, ["self", "arrAddHashes"]);
+			array_walk($arr_tags, ['self', 'arrAddHashes']);
 
 			return $arr_tags;
 		}
+		return [];
 	}
 
 	/**
@@ -651,11 +660,12 @@ class ParseUrl
 	 *
 	 * @param string $tag The pure tag name
 	 * @param int    $k   Counter for internal use
+	 *
 	 * @return void
 	 */
-	private static function arrAddHashes(&$tag, $k)
+	private static function arrAddHashes(string &$tag, int $k)
 	{
-		$tag = "#" . $tag;
+		$tag = '#' . $tag;
 	}
 
 	/**
@@ -672,41 +682,41 @@ class ParseUrl
 	 *
 	 * @return string The url with a scheme
 	 */
-	private static function completeUrl($url, $scheme)
+	private static function completeUrl(string $url, string $scheme): string
 	{
 		$urlarr = parse_url($url);
 
 		// If the url does allready have an scheme
 		// we can stop the process here
-		if (isset($urlarr["scheme"])) {
-			return($url);
+		if (isset($urlarr['scheme'])) {
+			return $url;
 		}
 
 		$schemearr = parse_url($scheme);
 
-		$complete = $schemearr["scheme"]."://".$schemearr["host"];
+		$complete = $schemearr['scheme'] . '://' . $schemearr['host'];
 
-		if (!empty($schemearr["port"])) {
-			$complete .= ":".$schemearr["port"];
+		if (!empty($schemearr['port'])) {
+			$complete .= ':' . $schemearr['port'];
 		}
 
-		if (!empty($urlarr["path"])) {
-			if (strpos($urlarr["path"], "/") !== 0) {
-				$complete .= "/";
+		if (!empty($urlarr['path'])) {
+			if (strpos($urlarr['path'], '/') !== 0) {
+				$complete .= '/';
 			}
 
-			$complete .= $urlarr["path"];
+			$complete .= $urlarr['path'];
 		}
 
-		if (!empty($urlarr["query"])) {
-			$complete .= "?".$urlarr["query"];
+		if (!empty($urlarr['query'])) {
+			$complete .= '?' . $urlarr['query'];
 		}
 
-		if (!empty($urlarr["fragment"])) {
-			$complete .= "#".$urlarr["fragment"];
+		if (!empty($urlarr['fragment'])) {
+			$complete .= '#' . $urlarr['fragment'];
 		}
 
-		return($complete);
+		return $complete;
 	}
 
 	/**
@@ -714,9 +724,10 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseParts(array $siteinfo, array $jsonld)
+	private static function parseParts(array $siteinfo, array $jsonld): array
 	{
 		if (!empty($jsonld['@graph']) && is_array($jsonld['@graph'])) {
 			foreach ($jsonld['@graph'] as $part) {
@@ -759,9 +770,10 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLd(array $siteinfo, array $jsonld)
+	private static function parseJsonLd(array $siteinfo, array $jsonld): array
 	{
 		$type = JsonLD::fetchElement($jsonld, '@type');
 		if (empty($type)) {
@@ -852,9 +864,10 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdAuthor(array $siteinfo, array $jsonld)
+	private static function parseJsonLdAuthor(array $siteinfo, array $jsonld): array
 	{
 		$jsonldinfo = [];
 
@@ -936,9 +949,10 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdArticle(array $siteinfo, array $jsonld)
+	private static function parseJsonLdArticle(array $siteinfo, array $jsonld): array
 	{
 		$jsonldinfo = [];
 
@@ -1006,9 +1020,10 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdWebPage(array $siteinfo, array $jsonld)
+	private static function parseJsonLdWebPage(array $siteinfo, array $jsonld): array
 	{
 		$jsonldinfo = [];
 
@@ -1018,17 +1033,17 @@ class ParseUrl
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'description');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['text'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'image');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['image'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'thumbnailUrl');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['image'] = trim($content);
 		}
 
@@ -1045,29 +1060,30 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdWebSite(array $siteinfo, array $jsonld)
+	private static function parseJsonLdWebSite(array $siteinfo, array $jsonld): array
 	{
 		$jsonldinfo = [];
 
 		$content = JsonLD::fetchElement($jsonld, 'name');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_name'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'description');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_description'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'url');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_url'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'thumbnailUrl');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['image'] = trim($content);
 		}
 
@@ -1083,39 +1099,42 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdWebOrganization(array $siteinfo, array $jsonld)
+	private static function parseJsonLdWebOrganization(array $siteinfo, array $jsonld): array
 	{
 		$jsonldinfo = [];
 
 		$content = JsonLD::fetchElement($jsonld, 'name');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_name'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'description');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_description'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'url');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_url'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'logo', 'url', '@type', 'ImageObject');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_img'] = trim($content);
+		} elseif (!empty($content) && is_array($content)) {
+			$jsonldinfo['publisher_img'] = trim($content[0]);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'brand', 'name', '@type', 'Organization');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_name'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'brand', 'url', '@type', 'Organization');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['publisher_url'] = trim($content);
 		}
 
@@ -1129,19 +1148,20 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdWebPerson(array $siteinfo, array $jsonld)
+	private static function parseJsonLdWebPerson(array $siteinfo, array $jsonld): array
 	{
 		$jsonldinfo = [];
 
 		$content = JsonLD::fetchElement($jsonld, 'name');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['author_name'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'description');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['author_description'] = trim($content);
 		}
 
@@ -1151,7 +1171,7 @@ class ParseUrl
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'url');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$jsonldinfo['author_url'] = trim($content);
 		}
 
@@ -1174,29 +1194,30 @@ class ParseUrl
 	 *
 	 * @param array $siteinfo
 	 * @param array $jsonld
+	 *
 	 * @return array siteinfo
 	 */
-	private static function parseJsonLdMediaObject(array $siteinfo, array $jsonld, string $name)
+	private static function parseJsonLdMediaObject(array $siteinfo, array $jsonld, string $name): array
 	{
 		$media = [];
 
 		$content = JsonLD::fetchElement($jsonld, 'caption');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['caption'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'url');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['url'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'mainEntityOfPage');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['main'] = Strings::compareLink($content, $siteinfo['url']);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'description');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['description'] = trim($content);
 		}
 
@@ -1206,27 +1227,27 @@ class ParseUrl
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'contentUrl');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['content'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'embedUrl');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['embed'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'height');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['height'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'width');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['width'] = trim($content);
 		}
 
 		$content = JsonLD::fetchElement($jsonld, 'image');
-		if (!empty($content)) {
+		if (!empty($content) && is_string($content)) {
 			$media['image'] = trim($content);
 		}