mirror of https://github.com/friendica/friendica
Isolate the link conversion into a dedicated function
This commit is contained in:
parent
7dc5622dca
commit
45b30825f0
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@ -1805,132 +1805,7 @@ class BBCode
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$text = '<span style="font-size: xx-large; line-height: normal;">' . $text . '</span>';
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}
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$text = preg_replace_callback("/\[(url)\](.*?)\[\/url\]/ism", [self::class, 'sanitizeLinksCallback'], $text);
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$text = preg_replace_callback("/\[(url)\=(.*?)\](.*?)\[\/url\]/ism", [self::class, 'sanitizeLinksCallback'], $text);
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// Handle mentions and hashtag links
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if ($simple_html == self::DIASPORA) {
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// The ! is converted to @ since Diaspora only understands the @
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'@<a href="$2">$3</a>',
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$text
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);
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} elseif (in_array($simple_html, [self::OSTATUS, self::ACTIVITYPUB])) {
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<span class="h-card"><a href="$2" class="u-url mention">$1<span>$3</span></a></span>',
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$text
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);
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$text = preg_replace(
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"/([#])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<a href="$2" class="mention hashtag" rel="tag">$1<span>$3</span></a>',
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$text
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);
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} elseif (in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::TWITTER_API])) {
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<bdi>$1<a href="$2" class="userinfo mention" title="$3">$3</a></bdi>',
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$text
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);
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} elseif ($simple_html == self::MASTODON_API) {
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<a class="u-url mention status-link" href="$2" rel="nofollow noopener noreferrer" target="_blank" title="$3">$1<span>$3</span></a>',
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$text
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);
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$text = preg_replace(
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"/([#])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<a class="mention hashtag status-link" href="$2" rel="tag">$1<span>$3</span></a>',
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$text
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);
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} else {
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$text = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '$1$3', $text);
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}
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// Bookmarks in red - will be converted to bookmarks in friendica
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$text = preg_replace("/#\^\[url\](.*?)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $text);
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$text = preg_replace("/#\^\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $text);
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$text = preg_replace(
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"/#\[url\=.*?\]\^\[\/url\]\[url\=(.*?)\](.*?)\[\/url\]/i",
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"[bookmark=$1]$2[/bookmark]",
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$text
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);
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if (in_array($simple_html, [self::OSTATUS, self::TWITTER, self::BLUESKY])) {
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$text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", [self::class, 'expandLinksCallback'], $text);
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//$text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $text);
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$text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]', $text);
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}
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// Perform URL Search
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if (!$for_plaintext && $try_oembed) {
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$text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $try_oembed_callback, $text);
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}
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$text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $text);
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// Handle Diaspora posts
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$text = preg_replace_callback(
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"&\[url=/?posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
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function ($match) {
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return "[url=" . DI::baseUrl() . "/display/" . $match[1] . "]" . $match[2] . "[/url]";
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},
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$text
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);
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$text = preg_replace_callback(
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"&\[url=/people\?q\=(.*)\](.*)\[\/url\]&Usi",
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function ($match) {
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return "[url=" . DI::baseUrl() . "/search?search=%40" . $match[1] . "]" . $match[2] . "[/url]";
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},
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$text
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);
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// Server independent link to posts and comments
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// See issue: https://github.com/diaspora/diaspora_federation/issues/75
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$expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
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$text = preg_replace($expression, DI::baseUrl() . "/display/$1", $text);
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// Red compatibility, though the link can't be authenticated on Friendica
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$text = preg_replace("/\[zrl\=(.*?)\](.*?)\[\/zrl\]/ism", '[url=$1]$2[/url]', $text);
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if ($for_plaintext) {
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$text = preg_replace("(\[url\](.*?)\[\/url\])ism", " $1 ", $text);
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$text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", [self::class, 'removePictureLinksCallback'], $text);
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}
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/* Tag conversion
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* Supports:
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* - #[url=<anything>]<term>[/url]
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* - [url=<anything>]#<term>[/url]
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*/
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self::performWithEscapedTags($text, ['url', 'share'], function ($text) use ($simple_html) {
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$text = preg_replace_callback("/(?:#\[url\=[^\[\]]*\]|\[url\=[^\[\]]*\]#)(.*?)\[\/url\]/ism", function ($matches) use ($simple_html) {
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if ($simple_html == self::ACTIVITYPUB) {
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return '<a href="' . DI::baseUrl() . '/search?tag=' . urlencode($matches[1])
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. '" data-tag="' . XML::escape($matches[1]) . '" rel="tag ugc">#'
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. XML::escape($matches[1]) . '</a>';
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} else {
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return '#<a href="' . DI::baseUrl() . '/search?tag=' . urlencode($matches[1])
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. '" class="tag" rel="tag" title="' . XML::escape($matches[1]) . '">'
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. XML::escape($matches[1]) . '</a>';
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}
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}, $text);
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return $text;
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});
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if (in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::DIASPORA, self::OSTATUS, self::MASTODON_API, self::TWITTER_API, self::ACTIVITYPUB])) {
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$text = self::shortenLinkDescription($text);
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} else {
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$text = self::unifyLinks($text);
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}
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// We need no target="_blank" rel="noopener noreferrer" for local links
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// convert links start with DI::baseUrl() as local link without the target="_blank" rel="noopener noreferrer" attribute
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$text = preg_replace("/\[url\=(" . preg_quote(DI::baseUrl(), '/') . ".*?)\](.*?)\[\/url\]/ism", '<a href="$1">$2</a>', $text);
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$text = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$2</a>', $text);
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$text = self::convertUrlToHtml($text, $simple_html, $for_plaintext, $try_oembed, $try_oembed_callback);
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// we may need to restrict this further if it picks up too many strays
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// link acct:user@host to a webfinger profile redirector
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@ -2043,6 +1918,137 @@ class BBCode
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return trim($text);
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}
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private static function convertUrlToHtml(string $text, int $simple_html, bool $for_plaintext, bool $try_oembed, \Closure $try_oembed_callback): string
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{
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$text = preg_replace_callback("/\[(url)\](.*?)\[\/url\]/ism", [self::class, 'sanitizeLinksCallback'], $text);
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$text = preg_replace_callback("/\[(url)\=(.*?)\](.*?)\[\/url\]/ism", [self::class, 'sanitizeLinksCallback'], $text);
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// Handle mentions and hashtag links
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if ($simple_html == self::DIASPORA) {
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// The ! is converted to @ since Diaspora only understands the @
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'@<a href="$2">$3</a>',
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$text
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);
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} elseif (in_array($simple_html, [self::OSTATUS, self::ACTIVITYPUB])) {
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<span class="h-card"><a href="$2" class="u-url mention">$1<span>$3</span></a></span>',
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$text
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);
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$text = preg_replace(
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"/([#])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<a href="$2" class="mention hashtag" rel="tag">$1<span>$3</span></a>',
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$text
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);
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} elseif (in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::TWITTER_API])) {
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<bdi>$1<a href="$2" class="userinfo mention" title="$3">$3</a></bdi>',
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$text
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);
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} elseif ($simple_html == self::MASTODON_API) {
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$text = preg_replace(
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"/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<a class="u-url mention status-link" href="$2" rel="nofollow noopener noreferrer" target="_blank" title="$3">$1<span>$3</span></a>',
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$text
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);
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$text = preg_replace(
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"/([#])\[url\=(.*?)\](.*?)\[\/url\]/ism",
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'<a class="mention hashtag status-link" href="$2" rel="tag">$1<span>$3</span></a>',
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$text
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);
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} else {
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$text = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '$1$3', $text);
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}
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if ($for_plaintext) {
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$text = preg_replace("(\[url\](.*?)\[\/url\])ism", " $1 ", $text);
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$text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", [self::class, 'removePictureLinksCallback'], $text);
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}
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// Bookmarks in red - will be converted to bookmarks in friendica
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$text = preg_replace("/#\^\[url\](.*?)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $text);
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$text = preg_replace("/#\^\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $text);
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$text = preg_replace(
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"/#\[url\=.*?\]\^\[\/url\]\[url\=(.*?)\](.*?)\[\/url\]/i",
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"[bookmark=$1]$2[/bookmark]",
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$text
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);
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if (in_array($simple_html, [self::OSTATUS, self::TWITTER, self::BLUESKY])) {
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$text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", [self::class, 'expandLinksCallback'], $text);
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//$text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $text);
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$text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]', $text);
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}
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// Perform URL Search
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if ($try_oembed) {
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$text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $try_oembed_callback, $text);
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}
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$text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $text);
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// Handle Diaspora posts
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$text = preg_replace_callback(
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"&\[url=/?posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
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function ($match) {
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return "[url=" . DI::baseUrl() . "/display/" . $match[1] . "]" . $match[2] . "[/url]";
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},
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$text
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);
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$text = preg_replace_callback(
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"&\[url=/people\?q\=(.*)\](.*)\[\/url\]&Usi",
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function ($match) {
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return "[url=" . DI::baseUrl() . "/search?search=%40" . $match[1] . "]" . $match[2] . "[/url]";
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},
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$text
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);
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// Server independent link to posts and comments
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// See issue: https://github.com/diaspora/diaspora_federation/issues/75
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$expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
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$text = preg_replace($expression, DI::baseUrl() . "/display/$1", $text);
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/* Tag conversion
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* Supports:
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* - #[url=<anything>]<term>[/url]
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* - [url=<anything>]#<term>[/url]
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*/
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self::performWithEscapedTags($text, ['url', 'share'], function ($text) use ($simple_html) {
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$text = preg_replace_callback("/(?:#\[url\=[^\[\]]*\]|\[url\=[^\[\]]*\]#)(.*?)\[\/url\]/ism", function ($matches) use ($simple_html) {
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if ($simple_html == self::ACTIVITYPUB) {
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return '<a href="' . DI::baseUrl() . '/search?tag=' . urlencode($matches[1])
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. '" data-tag="' . XML::escape($matches[1]) . '" rel="tag ugc">#'
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. XML::escape($matches[1]) . '</a>';
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} else {
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return '#<a href="' . DI::baseUrl() . '/search?tag=' . urlencode($matches[1])
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. '" class="tag" rel="tag" title="' . XML::escape($matches[1]) . '">'
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. XML::escape($matches[1]) . '</a>';
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}
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}, $text);
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return $text;
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});
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// Red compatibility, though the link can't be authenticated on Friendica
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$text = preg_replace("/\[zrl\=(.*?)\](.*?)\[\/zrl\]/ism", '[url=$1]$2[/url]', $text);
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if (in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::DIASPORA, self::OSTATUS, self::MASTODON_API, self::TWITTER_API, self::ACTIVITYPUB])) {
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$text = self::shortenLinkDescription($text);
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} else {
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$text = self::unifyLinks($text);
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}
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// We need no target="_blank" rel="noopener noreferrer" for local links
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// convert links start with DI::baseUrl() as local link without the target="_blank" rel="noopener noreferrer" attribute
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$text = preg_replace("/\[url\=(" . preg_quote(DI::baseUrl(), '/') . ".*?)\](.*?)\[\/url\]/ism", '<a href="$1">$2</a>', $text);
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$text = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$2</a>', $text);
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return $text;
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}
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private static function escapeUrl(string $url): string
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{
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return str_replace(['[', ']'], ['[', ']'], $url);
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