Issue #14079: Shorten the displayed URL

src/Content/Text/BBCode.php

@@ -51,7 +51,7 @@ use Friendica\Util\XML;
 class BBCode
 {
 	// Update this value to the current date whenever changes are made to BBCode::convert
-	const VERSION = '2021-07-28';
+	const VERSION = '2024-04-07';
 
 	const INTERNAL     = 0;
 	const EXTERNAL     = 1;
@@ -1988,6 +1988,10 @@ class BBCode
 					return $text;
 				});
 
+				if (!$for_plaintext && in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::DIASPORA])) {
+					$text = self::shortenLinkDescription($text);
+				}
+
 				// We need no target="_blank" rel="noopener noreferrer" for local links
 				// convert links start with DI::baseUrl() as local link without the target="_blank" rel="noopener noreferrer" attribute
 				$escapedBaseUrl = preg_quote(DI::baseUrl(), '/');
@@ -2112,6 +2116,31 @@ class BBCode
 		return trim($text);
 	}
 
+	private static function shortenLinkDescription(string $text): string
+	{
+		$text = preg_replace_callback(
+			"/\[url\](.*?)\[\/url\]/ism",
+			function ($match) {
+				$url = str_replace(['[', ']'], ['[', ']'], $match[1]);
+				return "[url=" . $url . "]" . Strings::getStyledURL($match[1]) . "[/url]";
+			},
+			$text
+		);
+		$text = preg_replace_callback(
+			"/\[url\=(.*?)\](.*?)\[\/url\]/ism",
+			function ($match) {
+				$url = str_replace(['[', ']'], ['[', ']'], $match[1]);
+				if ($match[1] == $match[2]) {
+					return "[url=" . $url . "]" . Strings::getStyledURL($match[2]) . "[/url]";
+				} else {
+					return "[url=" . $url . "]" . $match[2] . "[/url]";
+				}
+			},
+			$text
+		);
+		return $text;
+	}
+
 	/**
 	 * Strips the "abstract" tag from the provided text
 	 *

src/Util/Strings.php

@@ -569,6 +569,10 @@ class Strings
 	public static function getStyledURL(string $url): string
 	{
 		$parts = parse_url($url);
+		if (empty($parts['scheme'])) {
+			return $url;
+		}
+
 		$scheme = [$parts['scheme'] . '://www.', $parts['scheme'] . '://'];
 		$styled_url = str_replace($scheme, '', $url);
 

tests/src/Content/Text/BBCodeTest.php

@@ -25,6 +25,7 @@ use Friendica\Content\Text\BBCode;
 use Friendica\DI;
 use Friendica\Network\HTTPException\InternalServerErrorException;
 use Friendica\Test\FixtureTest;
+use Friendica\Util\Strings;
 
 class BBCodeTest extends FixtureTest
 {
@@ -148,7 +149,7 @@ class BBCodeTest extends FixtureTest
 	public function testAutoLinking(string $data, bool $assertHTML)
 	{
 		$output = BBCode::convert($data);
-		$assert = $this->HTMLPurifier->purify('<a href="' . $data . '" target="_blank" rel="noopener noreferrer">' . $data . '</a>');
+		$assert = $this->HTMLPurifier->purify('<a href="' . $data . '" target="_blank" rel="noopener noreferrer">' . Strings::getStyledURL($data) . '</a>');
 		if ($assertHTML) {
 			self::assertEquals($assert, $output);
 		} else {
@@ -160,21 +161,21 @@ class BBCodeTest extends FixtureTest
 	{
 		return [
 			'bug-7271-condensed-space' => [
-				'expectedHtml' => '<ol><li> <a href="http://example.com/" target="_blank" rel="noopener noreferrer">http://example.com/</a></li></ol>',
+				'expectedHtml' => '<ol><li> <a href="http://example.com/" target="_blank" rel="noopener noreferrer">example.com/</a></li></ol>',
 				'text' => '[ol][li] http://example.com/[/ol]',
 			],
 			'bug-7271-condensed-nospace' => [
-				'expectedHtml' => '<ol><li><a href="http://example.com/" target="_blank" rel="noopener noreferrer">http://example.com/</a></li></ol>',
+				'expectedHtml' => '<ol><li><a href="http://example.com/" target="_blank" rel="noopener noreferrer">example.com/</a></li></ol>',
 				'text' => '[ol][li]http://example.com/[/ol]',
 			],
 			'bug-7271-indented-space' => [
-				'expectedHtml' => '<ul><li> <a href="http://example.com/" target="_blank" rel="noopener noreferrer">http://example.com/</a></li></ul>',
+				'expectedHtml' => '<ul><li> <a href="http://example.com/" target="_blank" rel="noopener noreferrer">example.com/</a></li></ul>',
 				'text' => '[ul]
 [li] http://example.com/
 [/ul]',
 			],
 			'bug-7271-indented-nospace' => [
-				'expectedHtml' => '<ul><li><a href="http://example.com/" target="_blank" rel="noopener noreferrer">http://example.com/</a></li></ul>',
+				'expectedHtml' => '<ul><li><a href="http://example.com/" target="_blank" rel="noopener noreferrer">example.com/</a></li></ul>',
 				'text' => '[ul]
 [li]http://example.com/
 [/ul]',