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Issue #14079: Shorten the displayed URL

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Michael 2024-04-07 08:26:15 +00:00
parent ce580241e2
commit 7dc5622dca
3 changed files with 67 additions and 92 deletions
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144
src/Content/Text/BBCode.php
View file

@ -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;
@ -146,8 +146,7 @@ class BBCode
case 'title':
$value = self::toPlaintext(html_entity_decode($value, ENT_QUOTES, 'UTF-8'));
$value = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
$value = str_replace(['[', ']'], ['[', ']'], $value);
$data['title'] = $value;
$data['title'] = self::escapeUrl($value);
default:
$data[$field] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
@ -551,71 +550,6 @@ class BBCode
return $text . "\n" . $data['after'];
}
/**
* Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
*
* @param array $match Array with the matching values
* @return string reformatted link including HTML codes
*/
private static function convertUrlForActivityPubCallback(array $match): string
{
$url = $match[1];
if (isset($match[2]) && ($match[1] != $match[2])) {
return $match[0];
}
$parts = parse_url($url);
if (!isset($parts['scheme'])) {
return $match[0];
}
return self::convertUrlForActivityPub($url);
}
/**
* Converts [url] BBCodes in a format that looks fine on ActivityPub systems.
*
* @param string $url URL that is about to be reformatted
* @return string reformatted link including HTML codes
*/
private static function convertUrlForActivityPub(string $url): string
{
return sprintf('<a href="%s" target="_blank" rel="noopener noreferrer">%s</a>', $url, Strings::getStyledURL($url));
}
/*
* [noparse][i]italic[/i][/noparse] turns into
* [noparse][ i ]italic[ /i ][/noparse],
* to hide them from parser.
*
* @param array $match
* @return string
*/
private static function escapeNoparseCallback(array $match): string
{
$whole_match = $match[0];
$captured = $match[1];
$spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
$new_str = str_replace($captured, $spacefied, $whole_match);
return $new_str;
}
/*
* The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
* now turns back and the [noparse] tags are trimmed
* returning [i]italic[/i]
*
* @param array $match
* @return string
*/
private static function unescapeNoparseCallback(array $match): string
{
$captured = $match[1];
$unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
return $unspacefied;
}
/**
* Returns the bracket character positions of a set of opening and closing BBCode tags, optionally skipping first
* occurrences
@ -1914,16 +1848,6 @@ class BBCode
$text = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '$1$3', $text);
}
if (!$for_plaintext) {
if (in_array($simple_html, [self::OSTATUS, self::MASTODON_API, self::TWITTER_API, self::ACTIVITYPUB])) {
$text = preg_replace_callback("/\[url\](.*?)\[\/url\]/ism", [self::class, 'convertUrlForActivityPubCallback'], $text);
$text = preg_replace_callback("/\[url\=(.*?)\](.*?)\[\/url\]/ism", [self::class, 'convertUrlForActivityPubCallback'], $text);
}
} else {
$text = preg_replace("(\[url\](.*?)\[\/url\])ism", " $1 ", $text);
$text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", [self::class, 'removePictureLinksCallback'], $text);
}
// Bookmarks in red - will be converted to bookmarks in friendica
$text = preg_replace("/#\^\[url\](.*?)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $text);
$text = preg_replace("/#\^\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $text);
@ -1940,7 +1864,7 @@ class BBCode
}
// Perform URL Search
if ($try_oembed) {
if (!$for_plaintext && $try_oembed) {
$text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $try_oembed_callback, $text);
}
@ -1968,6 +1892,14 @@ class BBCode
$expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
$text = preg_replace($expression, DI::baseUrl() . "/display/$1", $text);
// Red compatibility, though the link can't be authenticated on Friendica
$text = preg_replace("/\[zrl\=(.*?)\](.*?)\[\/zrl\]/ism", '[url=$1]$2[/url]', $text);
if ($for_plaintext) {
$text = preg_replace("(\[url\](.*?)\[\/url\])ism", " $1 ", $text);
$text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", [self::class, 'removePictureLinksCallback'], $text);
}
/* Tag conversion
* Supports:
* - #[url=<anything>]<term>[/url]
@ -1988,19 +1920,18 @@ class BBCode
return $text;
});
if (in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::DIASPORA, self::OSTATUS, self::MASTODON_API, self::TWITTER_API, self::ACTIVITYPUB])) {
$text = self::shortenLinkDescription($text);
} else {
$text = self::unifyLinks($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(), '/');
$text = preg_replace("/\[url\](" . $escapedBaseUrl . ".*?)\[\/url\]/ism", '<a href="$1">$1</a>', $text);
$text = preg_replace("/\[url\=(" . $escapedBaseUrl . ".*?)\](.*?)\[\/url\]/ism", '<a href="$1">$2</a>', $text);
$text = preg_replace("/\[url\=(" . preg_quote(DI::baseUrl(), '/') . ".*?)\](.*?)\[\/url\]/ism", '<a href="$1">$2</a>', $text);
$text = preg_replace("/\[url\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
$text = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$2</a>', $text);
// Red compatibility, though the link can't be authenticated on Friendica
$text = preg_replace("/\[zrl\=(.*?)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$2</a>', $text);
// we may need to restrict this further if it picks up too many strays
// link acct:user@host to a webfinger profile redirector
@ -2112,6 +2043,45 @@ class BBCode
return trim($text);
}
private static function escapeUrl(string $url): string
{
return str_replace(['[', ']'], ['&#91;', '&#93;'], $url);
}
private static function unifyLinks(string $text): string
{
return preg_replace_callback(
"/\[url\](.*?)\[\/url\]/ism",
function ($match) {
return "[url=" . self::escapeUrl($match[1]) . "]" . $match[1] . "[/url]";
},
$text
);
}
private static function shortenLinkDescription(string $text): string
{
$text = preg_replace_callback(
"/\[url\](.*?)\[\/url\]/ism",
function ($match) {
return "[url=" . self::escapeUrl($match[1]) . "]" . Strings::getStyledURL($match[1]) . "[/url]";
},
$text
);
$text = preg_replace_callback(
"/\[url\=(.*?)\](.*?)\[\/url\]/ism",
function ($match) {
if ($match[1] == $match[2]) {
return "[url=" . self::escapeUrl($match[1]) . "]" . Strings::getStyledURL($match[2]) . "[/url]";
} else {
return "[url=" . self::escapeUrl($match[1]) . "]" . $match[2] . "[/url]";
}
},
$text
);
return $text;
}
/**
* Strips the "abstract" tag from the provided text
*

4
src/Util/Strings.php
View file

@ -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);

11
tests/src/Content/Text/BBCodeTest.php
View file

@ -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]',