3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Content\Text;
27 use Friendica\Content\ContactSelector;
28 use Friendica\Content\Item;
29 use Friendica\Content\OEmbed;
30 use Friendica\Content\PageInfo;
31 use Friendica\Content\Smilies;
32 use Friendica\Core\Hook;
33 use Friendica\Core\Logger;
34 use Friendica\Core\Protocol;
35 use Friendica\Core\Renderer;
37 use Friendica\Model\Contact;
38 use Friendica\Model\Event;
39 use Friendica\Model\Photo;
40 use Friendica\Model\Post;
41 use Friendica\Model\Tag;
42 use Friendica\Network\HTTPClientOptions;
43 use Friendica\Object\Image;
44 use Friendica\Protocol\Activity;
45 use Friendica\Util\Images;
46 use Friendica\Util\Map;
47 use Friendica\Util\ParseUrl;
48 use Friendica\Util\Proxy as ProxyUtils;
49 use Friendica\Util\Strings;
50 use Friendica\Util\XML;
54 // Update this value to the current date whenever changes are made to BBCode::convert
55 const VERSION = '2021-07-28';
65 const ACTIVITYPUB = 9;
67 const TOP_ANCHOR = '<br class="top-anchor">';
68 const BOTTOM_ANCHOR = '<br class="button-anchor">';
70 * Fetches attachment data that were generated the old way
72 * @param string $body Message body
74 * 'type' -> Message type ('link', 'video', 'photo')
75 * 'text' -> Text before the shared message
76 * 'after' -> Text after the shared message
77 * 'image' -> Preview image of the message
78 * 'url' -> Url to the attached message
79 * 'title' -> Title of the attachment
80 * 'description' -> Description of the attachment
81 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
83 private static function getOldAttachmentData($body)
87 // Simplify image codes
88 $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
90 if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism", $body, $attached, PREG_SET_ORDER)) {
91 foreach ($attached as $data) {
92 if (!in_array($data[1], ['type-link', 'type-video', 'type-photo'])) {
96 $post['type'] = substr($data[1], 5);
98 $pos = strpos($body, $data[0]);
100 $post['text'] = trim(substr($body, 0, $pos));
101 $post['after'] = trim(substr($body, $pos + strlen($data[0])));
103 $post['text'] = trim(str_replace($data[0], '', $body));
107 $attacheddata = $data[2];
109 if (preg_match("/\[img\](.*?)\[\/img\]/ism", $attacheddata, $matches)) {
111 $picturedata = Images::getInfoFromURLCached($matches[1]);
114 if (($picturedata[0] >= 500) && ($picturedata[0] >= $picturedata[1])) {
115 $post['image'] = $matches[1];
117 $post['preview'] = $matches[1];
122 if (preg_match("/\[bookmark\=(.*?)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
123 $post['url'] = $matches[1];
124 $post['title'] = $matches[2];
126 if (!empty($post['url']) && (in_array($post['type'], ['link', 'video']))
127 && preg_match("/\[url\=(.*?)\](.*?)\[\/url\]/ism", $attacheddata, $matches)) {
128 $post['url'] = $matches[1];
131 // Search for description
132 if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches)) {
133 $post['description'] = $matches[1];
141 * Fetches attachment data that were generated with the "attachment" element
143 * @param string $body Message body
145 * 'type' -> Message type ('link', 'video', 'photo')
146 * 'text' -> Text before the shared message
147 * 'after' -> Text after the shared message
148 * 'image' -> Preview image of the message
149 * 'url' -> Url to the attached message
150 * 'title' -> Title of the attachment
151 * 'description' -> Description of the attachment
152 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
154 public static function getAttachmentData($body)
156 DI::profiler()->startRecording('rendering');
165 'provider_name' => '',
166 'provider_url' => '',
171 if (!preg_match("/(.*)\[attachment(.*?)\](.*?)\[\/attachment\](.*)/ism", $body, $match)) {
172 DI::profiler()->stopRecording();
173 return self::getOldAttachmentData($body);
176 $attributes = $match[2];
178 $data['text'] = trim($match[1]);
180 foreach (['type', 'url', 'title', 'image', 'preview', 'publisher_name', 'publisher_url', 'author_name', 'author_url'] as $field) {
181 preg_match('/' . preg_quote($field, '/') . '=("|\')(.*?)\1/ism', $attributes, $matches);
182 $value = $matches[2] ?? '';
186 case 'publisher_name':
187 $data['provider_name'] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
189 case 'publisher_url':
190 $data['provider_url'] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
193 $data['author_name'] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
194 if ($data['provider_name'] == $data['author_name']) {
195 $data['author_name'] = '';
199 $data['author_url'] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
200 if ($data['provider_url'] == $data['author_url']) {
201 $data['author_url'] = '';
205 $value = self::convert(html_entity_decode($value, ENT_QUOTES, 'UTF-8'), false, true);
206 $value = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
207 $value = str_replace(['[', ']'], ['[', ']'], $value);
208 $data['title'] = $value;
210 $data[$field] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
216 if (!in_array($data['type'], ['link', 'audio', 'photo', 'video'])) {
217 DI::profiler()->stopRecording();
221 $data['description'] = trim($match[3]);
223 $data['after'] = trim($match[4]);
225 $parts = parse_url($data['url']);
226 if (!empty($parts['scheme']) && !empty($parts['host'])) {
227 if (empty($data['provider_name'])) {
228 $data['provider_name'] = $parts['host'];
230 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
231 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
233 if (!empty($parts['port'])) {
234 $data['provider_url'] .= ':' . $parts['port'];
239 DI::profiler()->stopRecording();
243 public static function getAttachedData($body, $item = [])
247 - type: link, video, photo
255 DI::profiler()->startRecording('rendering');
256 $has_title = !empty($item['title']);
257 $plink = $item['plink'] ?? '';
258 $post = self::getAttachmentData($body);
260 // Get all linked images with alternative image description
261 if (preg_match_all("/\[img=(http[^\[\]]*)\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures, PREG_SET_ORDER)) {
262 foreach ($pictures as $picture) {
263 if (Photo::isLocal($picture[1])) {
264 $post['images'][] = ['url' => str_replace('-1.', '-0.', $picture[1]), 'description' => $picture[2]];
266 $post['remote_images'][] = ['url' => $picture[1], 'description' => $picture[2]];
269 if (!empty($post['images']) && !empty($post['images'][0]['description'])) {
270 $post['image_description'] = $post['images'][0]['description'];
274 if (preg_match_all("/\[img\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures, PREG_SET_ORDER)) {
275 foreach ($pictures as $picture) {
276 if (Photo::isLocal($picture[1])) {
277 $post['images'][] = ['url' => str_replace('-1.', '-0.', $picture[1]), 'description' => ''];
279 $post['remote_images'][] = ['url' => $picture[1], 'description' => ''];
284 // if nothing is found, it maybe having an image.
285 if (!isset($post['type'])) {
286 // Simplify image codes
287 $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
288 $body = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/ism", '[img]$1[/img]', $body);
289 $post['text'] = $body;
291 if (preg_match_all("#\[url=([^\]]+?)\]\s*\[img\]([^\[]+?)\[/img\]\s*\[/url\]#ism", $body, $pictures, PREG_SET_ORDER)) {
292 if ((count($pictures) == 1) && !$has_title) {
293 if (!empty($item['object-type']) && ($item['object-type'] == Activity\ObjectType::IMAGE)) {
294 // Replace the preview picture with the real picture
295 $url = str_replace('-1.', '-0.', $pictures[0][2]);
296 $data = ['url' => $url, 'type' => 'photo'];
298 // Checking, if the link goes to a picture
299 $data = ParseUrl::getSiteinfoCached($pictures[0][1]);
303 // Sometimes photo posts to the own album are not detected at the start.
304 // So we seem to cannot use the cache for these cases. That's strange.
305 if (($data['type'] != 'photo') && strstr($pictures[0][1], "/photos/")) {
306 $data = ParseUrl::getSiteinfo($pictures[0][1]);
309 if ($data['type'] == 'photo') {
310 $post['type'] = 'photo';
311 if (isset($data['images'][0])) {
312 $post['image'] = $data['images'][0]['src'];
313 $post['url'] = $data['url'];
315 $post['image'] = $data['url'];
318 $post['preview'] = $pictures[0][2];
319 $post['text'] = trim(str_replace($pictures[0][0], '', $body));
321 $imgdata = Images::getInfoFromURLCached($pictures[0][1]);
322 if ($imgdata && substr($imgdata['mime'], 0, 6) == 'image/') {
323 $post['type'] = 'photo';
324 $post['image'] = $pictures[0][1];
325 $post['preview'] = $pictures[0][2];
326 $post['text'] = trim(str_replace($pictures[0][0], '', $body));
329 } elseif (count($pictures) > 0) {
330 if (count($pictures) > 4) {
331 $post['type'] = 'link';
332 $post['url'] = $plink;
334 $post['type'] = 'photo';
337 $post['image'] = $pictures[0][2];
338 $post['text'] = $body;
340 foreach ($pictures as $picture) {
341 $post['text'] = trim(str_replace($picture[0], '', $post['text']));
344 } elseif (preg_match_all("(\[img\](.*?)\[\/img\])ism", $body, $pictures, PREG_SET_ORDER)) {
346 $post['type'] = 'link';
347 $post['url'] = $plink;
349 $post['type'] = 'photo';
352 $post['image'] = $pictures[0][1];
353 $post['text'] = $body;
354 foreach ($pictures as $picture) {
355 $post['text'] = trim(str_replace($picture[0], '', $post['text']));
359 // Test for the external links
360 preg_match_all("(\[url\](.*?)\[\/url\])ism", $post['text'], $links1, PREG_SET_ORDER);
361 preg_match_all("(\[url\=(.*?)\].*?\[\/url\])ism", $post['text'], $links2, PREG_SET_ORDER);
363 $links = array_merge($links1, $links2);
365 // If there is only a single one, then use it.
366 // This should cover link posts via API.
367 if ((count($links) == 1) && !isset($post['preview']) && !$has_title) {
368 $post['type'] = 'link';
369 $post['url'] = $links[0][1];
372 // Simplify "video" element
373 $post['text'] = preg_replace('(\[video.*?\ssrc\s?=\s?([^\s\]]+).*?\].*?\[/video\])ism', '[video]$1[/video]', $post['text']);
375 // Now count the number of external media links
376 preg_match_all("(\[vimeo\](.*?)\[\/vimeo\])ism", $post['text'], $links1, PREG_SET_ORDER);
377 preg_match_all("(\[youtube\\](.*?)\[\/youtube\\])ism", $post['text'], $links2, PREG_SET_ORDER);
378 preg_match_all("(\[video\\](.*?)\[\/video\\])ism", $post['text'], $links3, PREG_SET_ORDER);
379 preg_match_all("(\[audio\\](.*?)\[\/audio\\])ism", $post['text'], $links4, PREG_SET_ORDER);
381 // Add them to the other external links
382 $links = array_merge($links, $links1, $links2, $links3, $links4);
384 // Are there more than one?
385 if (count($links) > 1) {
386 // The post will be the type "text", which means a blog post
387 unset($post['type']);
388 $post['url'] = $plink;
391 if (!isset($post['type'])) {
392 $post['type'] = "text";
393 $post['text'] = trim($body);
396 if (($post['type'] == 'photo') && empty($post['images']) && !empty($post['remote_images'])) {
397 $post['images'] = $post['remote_images'];
398 $post['image'] = $post['images'][0]['url'];
399 if (!empty($post['images']) && !empty($post['images'][0]['description'])) {
400 $post['image_description'] = $post['images'][0]['description'];
403 unset($post['remote_images']);
404 } elseif (isset($post['url']) && ($post['type'] == 'video')) {
405 $data = ParseUrl::getSiteinfoCached($post['url']);
407 if (isset($data['images'][0])) {
408 $post['image'] = $data['images'][0]['src'];
412 DI::profiler()->stopRecording();
417 * Remove [attachment] BBCode and replaces it with a regular [url]
419 * @param string $body
420 * @param boolean $no_link_desc No link description
422 * @return string with replaced body
424 public static function removeAttachment($body, $no_link_desc = false)
426 return preg_replace_callback("/\s*\[attachment (.*?)\](.*?)\[\/attachment\]\s*/ism",
427 function ($match) use ($no_link_desc) {
428 $attach_data = self::getAttachmentData($match[0]);
429 if (empty($attach_data['url'])) {
431 } elseif (empty($attach_data['title']) || $no_link_desc) {
432 return " \n[url]" . $attach_data['url'] . "[/url]\n";
434 return " \n[url=" . $attach_data['url'] . ']' . $attach_data['title'] . "[/url]\n";
440 * Converts a BBCode text into plaintext
443 * @param bool $keep_urls Whether to keep URLs in the resulting plaintext
447 public static function toPlaintext($text, $keep_urls = true)
449 DI::profiler()->startRecording('rendering');
450 // Remove pictures in advance to avoid unneeded proxy calls
451 $text = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/ism", ' $2 ', $text);
452 $text = preg_replace("/\[img.*?\[\/img\]/ism", ' ', $text);
455 $text = self::removeAttachment($text);
457 $naked_text = HTML::toPlaintext(self::convert($text, false, 0, true), 0, !$keep_urls);
459 DI::profiler()->stopRecording();
463 private static function proxyUrl($image, $simplehtml = self::INTERNAL, $uriid = 0, $size = '')
465 // Only send proxied pictures to API and for internal display
466 if (!in_array($simplehtml, [self::INTERNAL, self::API])) {
468 } elseif ($uriid > 0) {
469 return Post\Link::getByLink($uriid, $image, $size);
471 return ProxyUtils::proxifyUrl($image, $size);
476 * This function changing the visual size (not the real size) of images.
477 * The function does not work for pictures with an alternate text description.
478 * This could only be changed by using some new "img" BBCode format.
480 * @param string $srctext The body with images
481 * @return string The body with possibly scaled images
483 public static function scaleExternalImages(string $srctext)
485 DI::profiler()->startRecording('rendering');
488 // Simplify image links
489 $s = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $s);
492 $c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism', $s, $matches, PREG_SET_ORDER);
494 foreach ($matches as $mtch) {
495 Logger::info('scale_external_image', ['image' => $mtch[1]]);
497 $hostname = str_replace('www.', '', substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3));
498 if (stristr($mtch[1], $hostname)) {
502 $curlResult = DI::httpClient()->get($mtch[1]);
503 if (!$curlResult->isSuccess()) {
507 $i = $curlResult->getBody();
508 $type = $curlResult->getContentType();
509 $type = Images::getMimeTypeByData($i, $mtch[1], $type);
512 $Image = new Image($i, $type);
513 if ($Image->isValid()) {
514 $orig_width = $Image->getWidth();
515 $orig_height = $Image->getHeight();
517 if ($orig_width > 640 || $orig_height > 640) {
518 $Image->scaleDown(640);
519 $new_width = $Image->getWidth();
520 $new_height = $Image->getHeight();
521 Logger::info('External images scaled', ['orig_width' => $orig_width, 'new_width' => $new_width, 'orig_height' => $orig_height, 'new_height' => $new_height, 'match' => $mtch[0]]);
524 '[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
528 Logger::info('New string', ['image' => $s]);
535 DI::profiler()->stopRecording();
540 * Truncates imported message body string length to max_import_size
542 * The purpose of this function is to apply system message length limits to
543 * imported messages without including any embedded photos in the length
545 * @param string $body
547 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
549 public static function limitBodySize($body)
551 DI::profiler()->startRecording('rendering');
552 $maxlen = DI::config()->get('config', 'max_import_size', 0);
554 // If the length of the body, including the embedded images, is smaller
555 // than the maximum, then don't waste time looking for the images
556 if ($maxlen && (strlen($body) > $maxlen)) {
558 Logger::info('the total body length exceeds the limit', ['maxlen' => $maxlen, 'body_len' => strlen($body)]);
564 $img_start = strpos($orig_body, '[img');
565 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
566 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
567 while (($img_st_close !== false) && ($img_end !== false)) {
569 $img_st_close++; // make it point to AFTER the closing bracket
570 $img_end += $img_start;
571 $img_end += strlen('[/img]');
573 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
574 // This is an embedded image
576 if (($textlen + $img_start) > $maxlen) {
577 if ($textlen < $maxlen) {
578 Logger::info('the limit happens before an embedded image');
579 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
583 $new_body = $new_body . substr($orig_body, 0, $img_start);
584 $textlen += $img_start;
587 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
590 if (($textlen + $img_end) > $maxlen) {
591 if ($textlen < $maxlen) {
592 Logger::info('the limit happens before the end of a non-embedded image');
593 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
597 $new_body = $new_body . substr($orig_body, 0, $img_end);
598 $textlen += $img_end;
601 $orig_body = substr($orig_body, $img_end);
603 if ($orig_body === false) {
604 // in case the body ends on a closing image tag
608 $img_start = strpos($orig_body, '[img');
609 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
610 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
613 if (($textlen + strlen($orig_body)) > $maxlen) {
614 if ($textlen < $maxlen) {
615 Logger::info('the limit happens after the end of the last image');
616 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
619 Logger::info('the text size with embedded images extracted did not violate the limit');
620 $new_body = $new_body . $orig_body;
623 DI::profiler()->stopRecording();
626 DI::profiler()->stopRecording();
632 * Processes [attachment] tags
634 * Note: Can produce a [bookmark] tag in the returned string
636 * @param string $text
637 * @param integer $simplehtml
638 * @param bool $tryoembed
642 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
644 public static function convertAttachment($text, $simplehtml = self::INTERNAL, $tryoembed = true, array $data = [], $uriid = 0)
646 DI::profiler()->startRecording('rendering');
647 $data = $data ?: self::getAttachmentData($text);
648 if (empty($data) || empty($data['url'])) {
649 DI::profiler()->stopRecording();
653 if (isset($data['title'])) {
654 $data['title'] = strip_tags($data['title']);
655 $data['title'] = str_replace(['http://', 'https://'], '', $data['title']);
657 $data['title'] = null;
660 if (((strpos($data['text'], "[img=") !== false) || (strpos($data['text'], "[img]") !== false) || DI::config()->get('system', 'always_show_preview')) && !empty($data['image'])) {
661 $data['preview'] = $data['image'];
667 if ($tryoembed && OEmbed::isAllowedURL($data['url'])) {
668 $return = OEmbed::getHTML($data['url'], $data['title']);
670 throw new Exception('OEmbed is disabled for this attachment.');
672 } catch (Exception $e) {
673 $data['title'] = ($data['title'] ?? '') ?: $data['url'];
675 if ($simplehtml != self::CONNECTORS) {
676 $return = sprintf('<div class="type-%s">', $data['type']);
679 if (!empty($data['title']) && !empty($data['url'])) {
680 if (!empty($data['image']) && empty($data['text']) && ($data['type'] == 'photo')) {
681 $return .= sprintf('<a href="%s" target="_blank" rel="noopener noreferrer"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $data['url'], self::proxyUrl($data['image'], $simplehtml, $uriid), $data['title']);
683 if (!empty($data['image'])) {
684 $return .= sprintf('<a href="%s" target="_blank" rel="noopener noreferrer"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br>', $data['url'], self::proxyUrl($data['image'], $simplehtml, $uriid), $data['title']);
685 } elseif (!empty($data['preview'])) {
686 $return .= sprintf('<a href="%s" target="_blank" rel="noopener noreferrer"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br>', $data['url'], self::proxyUrl($data['preview'], $simplehtml, $uriid), $data['title']);
688 $return .= sprintf('<h4><a href="%s">%s</a></h4>', $data['url'], $data['title']);
692 if (!empty($data['description']) && $data['description'] != $data['title']) {
694 $return .= sprintf('<blockquote>%s</blockquote>', trim(HTML::purify($data['description'])));
697 if (!empty($data['provider_url']) && !empty($data['provider_name'])) {
698 if (!empty($data['author_name'])) {
699 $return .= sprintf('<sup><a href="%s">%s (%s)</a></sup>', $data['provider_url'], $data['author_name'], $data['provider_name']);
701 $return .= sprintf('<sup><a href="%s">%s</a></sup>', $data['provider_url'], $data['provider_name']);
705 if ($simplehtml != self::CONNECTORS) {
710 DI::profiler()->stopRecording();
711 return trim(($data['text'] ?? '') . ' ' . $return . ' ' . ($data['after'] ?? ''));
714 public static function removeShareInformation($Text, $plaintext = false, $nolink = false)
716 DI::profiler()->startRecording('rendering');
717 $data = self::getAttachmentData($Text);
720 DI::profiler()->stopRecording();
723 DI::profiler()->stopRecording();
724 return $data['text'] . ($data['after'] ?? '');
727 $title = htmlentities($data['title'] ?? '', ENT_QUOTES, 'UTF-8', false);
728 $text = htmlentities($data['text'], ENT_QUOTES, 'UTF-8', false);
729 if ($plaintext || (($title != '') && strstr($text, $title))) {
730 $data['title'] = $data['url'];
731 } elseif (($text != '') && strstr($title, $text)) {
732 $data['text'] = $data['title'];
733 $data['title'] = $data['url'];
736 if (empty($data['text']) && !empty($data['title']) && empty($data['url'])) {
737 DI::profiler()->stopRecording();
738 return $data['title'] . $data['after'];
741 // If the link already is included in the post, don't add it again
742 if (!empty($data['url']) && strpos($data['text'], $data['url'])) {
743 DI::profiler()->stopRecording();
744 return $data['text'] . $data['after'];
747 $text = $data['text'];
749 if (!empty($data['url']) && !empty($data['title'])) {
750 $text .= "\n[url=" . $data['url'] . ']' . $data['title'] . '[/url]';
751 } elseif (!empty($data['url'])) {
752 $text .= "\n[url]" . $data['url'] . '[/url]';
755 DI::profiler()->stopRecording();
756 return $text . "\n" . $data['after'];
760 * Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
762 * @param array $match Array with the matching values
763 * @return string reformatted link including HTML codes
765 private static function convertUrlForActivityPubCallback($match)
769 if (isset($match[2]) && ($match[1] != $match[2])) {
773 $parts = parse_url($url);
774 if (!isset($parts['scheme'])) {
778 return self::convertUrlForActivityPub($url);
782 * Converts [url] BBCodes in a format that looks fine on ActivityPub systems.
784 * @param string $url URL that is about to be reformatted
785 * @return string reformatted link including HTML codes
787 private static function convertUrlForActivityPub($url)
789 $html = '<a href="%s" target="_blank" rel="noopener noreferrer">%s</a>';
790 return sprintf($html, $url, self::getStyledURL($url));
794 * Converts an URL in a nicer format (without the scheme and possibly shortened)
796 * @param string $url URL that is about to be reformatted
797 * @return string reformatted link
799 private static function getStyledURL($url)
801 $parts = parse_url($url);
802 $scheme = $parts['scheme'] . '://';
803 $styled_url = str_replace($scheme, '', $url);
805 if (strlen($styled_url) > 30) {
806 $styled_url = substr($styled_url, 0, 30) . "…";
813 * [noparse][i]italic[/i][/noparse] turns into
814 * [noparse][ i ]italic[ /i ][/noparse],
815 * to hide them from parser.
817 private static function escapeNoparseCallback($match)
819 $whole_match = $match[0];
820 $captured = $match[1];
821 $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
822 $new_str = str_replace($captured, $spacefied, $whole_match);
827 * The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
828 * now turns back and the [noparse] tags are trimed
829 * returning [i]italic[/i]
831 private static function unescapeNoparseCallback($match)
833 $captured = $match[1];
834 $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
839 * Returns the bracket character positions of a set of opening and closing BBCode tags, optionally skipping first
842 * @param string $text Text to search
843 * @param string $name Tag name
844 * @param int $occurrences Number of first occurrences to skip
845 * @return boolean|array
847 public static function getTagPosition($text, $name, $occurrences = 0)
849 DI::profiler()->startRecording('rendering');
850 if ($occurrences < 0) {
855 for ($i = 0; $i <= $occurrences; $i++) {
856 if ($start_open !== false) {
857 $start_open = strpos($text, '[' . $name, $start_open + 1); // allow [name= type tags
861 if ($start_open === false) {
862 DI::profiler()->stopRecording();
866 $start_equal = strpos($text, '=', $start_open);
867 $start_close = strpos($text, ']', $start_open);
869 if ($start_close === false) {
870 DI::profiler()->stopRecording();
876 $end_open = strpos($text, '[/' . $name . ']', $start_close);
878 if ($end_open === false) {
879 DI::profiler()->stopRecording();
885 'open' => $start_open,
886 'close' => $start_close
890 'close' => $end_open + strlen('[/' . $name . ']')
894 if ($start_equal !== false) {
895 $res['start']['equal'] = $start_equal + 1;
898 DI::profiler()->stopRecording();
903 * Performs a preg_replace within the boundaries of all named BBCode tags in a text
905 * @param string $pattern Preg pattern string
906 * @param string $replace Preg replace string
907 * @param string $name BBCode tag name
908 * @param string $text Text to search
911 public static function pregReplaceInTag($pattern, $replace, $name, $text)
913 DI::profiler()->startRecording('rendering');
915 $pos = self::getTagPosition($text, $name, $occurrences);
916 while ($pos !== false && $occurrences++ < 1000) {
917 $start = substr($text, 0, $pos['start']['open']);
918 $subject = substr($text, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
919 $end = substr($text, $pos['end']['close']);
920 if ($end === false) {
924 $subject = preg_replace($pattern, $replace, $subject);
925 $text = $start . $subject . $end;
927 $pos = self::getTagPosition($text, $name, $occurrences);
930 DI::profiler()->stopRecording();
934 private static function extractImagesFromItemBody($body)
941 $img_start = strpos($orig_body, '[img');
942 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
943 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
944 while (($img_st_close !== false) && ($img_end !== false)) {
945 $img_st_close++; // make it point to AFTER the closing bracket
946 $img_end += $img_start;
948 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
949 // This is an embedded image
950 $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
951 $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
955 $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
958 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
960 if ($orig_body === false) {
961 // in case the body ends on a closing image tag
965 $img_start = strpos($orig_body, '[img');
966 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
967 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
970 $new_body = $new_body . $orig_body;
972 return ['body' => $new_body, 'images' => $saved_image];
975 private static function interpolateSavedImagesIntoItemBody($uriid, $body, array $images)
980 foreach ($images as $image) {
981 // We're depending on the property of 'foreach' (specified on the PHP website) that
982 // it loops over the array starting from the first element and going sequentially
983 // to the last element
984 $newbody = str_replace('[$#saved_image' . $cnt . '#$]',
985 '<img src="' . self::proxyUrl($image, self::INTERNAL, $uriid) . '" alt="' . DI::l10n()->t('Image/photo') . '" />', $newbody);
994 * @param string $text A BBCode string
995 * @return array share attributes
997 public static function fetchShareAttributes($text)
999 DI::profiler()->startRecording('rendering');
1000 // See Issue https://github.com/friendica/friendica/issues/10454
1001 // Hashtags in usernames are expanded to links. This here is a quick fix.
1002 $text = preg_replace('/([@!#])\[url\=.*?\](.*?)\[\/url\]/ism', '$1$2', $text);
1005 if (!preg_match("/(.*?)\[share(.*?)\](.*)\[\/share\]/ism", $text, $matches)) {
1006 DI::profiler()->stopRecording();
1010 $attribute_string = $matches[2];
1011 foreach (['author', 'profile', 'avatar', 'link', 'posted', 'guid'] as $field) {
1012 preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches);
1013 $attributes[$field] = html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8');
1015 DI::profiler()->stopRecording();
1020 * This function converts a [share] block to text according to a provided callback function whose signature is:
1022 * function(array $attributes, array $author_contact, string $content, boolean $is_quote_share): string
1025 * - $attributes is an array of attributes of the [share] block itself. Missing keys will be completed by the contact
1027 * - $author_contact is a contact record array
1028 * - $content is the inner content of the [share] block
1029 * - $is_quote_share indicates whether there's any content before the [share] block
1030 * - Return value is the string that should replace the [share] block in the provided text
1032 * This function is intended to be used by addon connector to format a share block like the target network is expecting it.
1034 * @param string $text A BBCode string
1035 * @param callable $callback
1036 * @return string The BBCode string with all [share] blocks replaced
1038 public static function convertShare($text, callable $callback, int $uriid = 0)
1040 DI::profiler()->startRecording('rendering');
1041 $return = preg_replace_callback(
1042 "/(.*?)\[share(.*?)\](.*)\[\/share\]/ism",
1043 function ($match) use ($callback, $uriid) {
1044 $attribute_string = $match[2];
1046 foreach (['author', 'profile', 'avatar', 'link', 'posted', 'guid'] as $field) {
1047 preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches);
1048 $attributes[$field] = html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8');
1051 $author_contact = Contact::getByURL($attributes['profile'], false, ['id', 'url', 'addr', 'name', 'micro']);
1052 $author_contact['url'] = ($author_contact['url'] ?? $attributes['profile']);
1053 $author_contact['addr'] = ($author_contact['addr'] ?? '') ?: Protocol::getAddrFromProfileUrl($attributes['profile']);
1055 $attributes['author'] = ($author_contact['name'] ?? '') ?: $attributes['author'];
1056 $attributes['avatar'] = ($author_contact['micro'] ?? '') ?: $attributes['avatar'];
1057 $attributes['profile'] = ($author_contact['url'] ?? '') ?: $attributes['profile'];
1059 if (!empty($author_contact['id'])) {
1060 $attributes['avatar'] = Contact::getAvatarUrlForId($author_contact['id'], ProxyUtils::SIZE_THUMB);
1061 } elseif ($attributes['avatar']) {
1062 $attributes['avatar'] = self::proxyUrl($attributes['avatar'], self::INTERNAL, $uriid, ProxyUtils::SIZE_THUMB);
1065 $content = preg_replace(Strings::autoLinkRegEx(), '<a href="$1">$1</a>', $match[3]);
1067 return $match[1] . $callback($attributes, $author_contact, $content, trim($match[1]) != '');
1072 DI::profiler()->stopRecording();
1077 * Convert complex IMG and ZMG elements
1079 * @param [type] $text
1080 * @param integer $simplehtml
1081 * @param integer $uriid
1084 private static function convertImages(string $text, int $simplehtml, int $uriid = 0):string
1086 DI::profiler()->startRecording('rendering');
1087 $return = preg_replace_callback(
1088 "/\[[zi]mg(.*?)\]([^\[\]]*)\[\/[zi]mg\]/ism",
1089 function ($match) use ($simplehtml, $uriid) {
1090 $attribute_string = $match[1];
1092 foreach (['alt', 'width', 'height'] as $field) {
1093 preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches);
1094 $attributes[$field] = html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8');
1097 $img_str = '<img src="' .
1098 self::proxyUrl($match[2], $simplehtml, $uriid) . '"';
1099 foreach ($attributes as $key => $value) {
1100 if (!empty($value)) {
1101 $img_str .= ' ' . $key . '="' . htmlspecialchars($value, ENT_COMPAT) . '"';
1104 return $img_str . '>';
1109 DI::profiler()->stopRecording();
1114 * Default [share] tag conversion callback
1116 * Note: Can produce a [bookmark] tag in the output
1118 * @see BBCode::convertShare()
1119 * @param array $attributes [share] block attribute values
1120 * @param array $author_contact Contact row of the shared author
1121 * @param string $content Inner content of the [share] block
1122 * @param boolean $is_quote_share Whether there is content before the [share] block
1123 * @param integer $simplehtml Mysterious integer value depending on the target network/formatting style
1125 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1127 private static function convertShareCallback(array $attributes, array $author_contact, $content, $is_quote_share, $simplehtml)
1129 DI::profiler()->startRecording('rendering');
1130 $mention = Protocol::formatMention($attributes['profile'], $attributes['author']);
1132 switch ($simplehtml) {
1134 $text = ($is_quote_share? '<br>' : '') .
1135 '<b><a href="' . $attributes['link'] . '">' . html_entity_decode('♲ ', ENT_QUOTES, 'UTF-8') . ' ' . $author_contact['addr'] . "</a>:</b><br>\n" .
1136 '<blockquote class="shared_content">' . $content . '</blockquote>';
1138 case self::DIASPORA:
1139 if (stripos(Strings::normaliseLink($attributes['link']), 'http://twitter.com/') === 0) {
1140 $text = ($is_quote_share? '<hr />' : '') . '<p><a href="' . $attributes['link'] . '">' . $attributes['link'] . '</a></p>' . "\n";
1142 $headline = '<p><b>♲ <a href="' . $attributes['profile'] . '">' . $attributes['author'] . '</a>:</b></p>' . "\n";
1144 if (!empty($attributes['posted']) && !empty($attributes['link'])) {
1145 $headline = '<p><b>♲ <a href="' . $attributes['profile'] . '">' . $attributes['author'] . '</a></b> - <a href="' . $attributes['link'] . '">' . $attributes['posted'] . ' GMT</a></p>' . "\n";
1148 $text = ($is_quote_share? '<hr />' : '') . $headline . '<blockquote>' . trim($content) . '</blockquote>' . "\n";
1150 if (empty($attributes['posted']) && !empty($attributes['link'])) {
1151 $text .= '<p><a href="' . $attributes['link'] . '">[Source]</a></p>' . "\n";
1156 case self::CONNECTORS:
1157 $headline = '<p><b>' . html_entity_decode('♲ ', ENT_QUOTES, 'UTF-8');
1158 $headline .= DI::l10n()->t('<a href="%1$s" target="_blank" rel="noopener noreferrer">%2$s</a> %3$s', $attributes['link'], $mention, $attributes['posted']);
1159 $headline .= ':</b></p>' . "\n";
1161 $text = ($is_quote_share? '<hr />' : '') . $headline . '<blockquote class="shared_content">' . trim($content) . '</blockquote>' . "\n";
1165 $text = ($is_quote_share? '<br>' : '') . '<p>' . html_entity_decode('♲ ', ENT_QUOTES, 'UTF-8') . ' @' . $author_contact['addr'] . ': ' . $content . '</p>' . "\n";
1167 case self::ACTIVITYPUB:
1168 $author = '@<span class="vcard"><a href="' . $author_contact['url'] . '" class="url u-url mention" title="' . $author_contact['addr'] . '"><span class="fn nickname mention">' . $author_contact['addr'] . '</span></a>:</span>';
1169 $text = '<div><a href="' . $attributes['link'] . '">' . html_entity_decode('♲', ENT_QUOTES, 'UTF-8') . '</a> ' . $author . '<blockquote>' . $content . '</blockquote></div>' . "\n";
1172 $text = ($is_quote_share? "\n" : '');
1174 $contact = Contact::getByURL($attributes['profile'], false, ['network']);
1175 $network = $contact['network'] ?? Protocol::PHANTOM;
1177 $tpl = Renderer::getMarkupTemplate('shared_content.tpl');
1178 $text .= Renderer::replaceMacros($tpl, [
1179 '$profile' => $attributes['profile'],
1180 '$avatar' => $attributes['avatar'],
1181 '$author' => $attributes['author'],
1182 '$link' => $attributes['link'],
1183 '$link_title' => DI::l10n()->t('Link to source'),
1184 '$posted' => $attributes['posted'],
1185 '$guid' => $attributes['guid'],
1186 '$network_name' => ContactSelector::networkToName($network, $attributes['profile']),
1187 '$network_icon' => ContactSelector::networkToIcon($network, $attributes['profile']),
1188 '$content' => self::TOP_ANCHOR . self::setMentions(trim($content), 0, $network) . self::BOTTOM_ANCHOR,
1196 private static function removePictureLinksCallback($match)
1198 $cache_key = 'remove:' . $match[1];
1199 $text = DI::cache()->get($cache_key);
1201 if (is_null($text)) {
1202 $curlResult = DI::httpClient()->head($match[1], [HTTPClientOptions::TIMEOUT => DI::config()->get('system', 'xrd_timeout')]);
1203 if ($curlResult->isSuccess()) {
1204 $mimetype = $curlResult->getHeader('Content-Type')[0] ?? '';
1209 if (substr($mimetype, 0, 6) == 'image/') {
1210 $text = "[url=" . $match[1] . ']' . $match[1] . "[/url]";
1212 $text = "[url=" . $match[2] . ']' . $match[2] . "[/url]";
1214 // if its not a picture then look if its a page that contains a picture link
1215 $body = DI::httpClient()->fetch($match[1]);
1217 DI::cache()->set($cache_key, $text);
1221 $doc = new DOMDocument();
1222 @$doc->loadHTML($body);
1223 $xpath = new DOMXPath($doc);
1224 $list = $xpath->query("//meta[@name]");
1225 foreach ($list as $node) {
1228 if ($node->attributes->length) {
1229 foreach ($node->attributes as $attribute) {
1230 $attr[$attribute->name] = $attribute->value;
1234 if (strtolower($attr['name']) == 'twitter:image') {
1235 $text = '[url=' . $attr['content'] . ']' . $attr['content'] . '[/url]';
1239 DI::cache()->set($cache_key, $text);
1245 private static function expandLinksCallback($match)
1247 if (($match[3] == '') || ($match[2] == $match[3]) || stristr($match[2], $match[3])) {
1248 return ($match[1] . "[url]" . $match[2] . "[/url]");
1250 return ($match[1] . $match[3] . " [url]" . $match[2] . "[/url]");
1254 private static function cleanPictureLinksCallback($match)
1256 // When the picture link is the own photo path then we can avoid fetching the link
1257 $own_photo_url = preg_quote(Strings::normaliseLink(DI::baseUrl()->get()) . '/photos/');
1258 if (preg_match('|' . $own_photo_url . '.*?/image/|', Strings::normaliseLink($match[1]))) {
1259 if (!empty($match[3])) {
1260 $text = '[img=' . str_replace('-1.', '-0.', $match[2]) . ']' . $match[3] . '[/img]';
1262 $text = '[img]' . str_replace('-1.', '-0.', $match[2]) . '[/img]';
1267 $cache_key = 'clean:' . $match[1];
1268 $text = DI::cache()->get($cache_key);
1269 if (!is_null($text)) {
1273 $curlResult = DI::httpClient()->head($match[1], [HTTPClientOptions::TIMEOUT => DI::config()->get('system', 'xrd_timeout')]);
1274 if ($curlResult->isSuccess()) {
1275 $mimetype = $curlResult->getHeader('Content-Type')[0] ?? '';
1280 // if its a link to a picture then embed this picture
1281 if (substr($mimetype, 0, 6) == 'image/') {
1282 $text = '[img]' . $match[1] . '[/img]';
1284 if (!empty($match[3])) {
1285 $text = '[img=' . $match[2] . ']' . $match[3] . '[/img]';
1287 $text = '[img]' . $match[2] . '[/img]';
1290 // if its not a picture then look if its a page that contains a picture link
1291 $body = DI::httpClient()->fetch($match[1]);
1293 DI::cache()->set($cache_key, $text);
1297 $doc = new DOMDocument();
1298 @$doc->loadHTML($body);
1299 $xpath = new DOMXPath($doc);
1300 $list = $xpath->query("//meta[@name]");
1301 foreach ($list as $node) {
1303 if ($node->attributes->length) {
1304 foreach ($node->attributes as $attribute) {
1305 $attr[$attribute->name] = $attribute->value;
1309 if (strtolower($attr['name']) == "twitter:image") {
1310 if (!empty($match[3])) {
1311 $text = "[img=" . $attr['content'] . "]" . $match[3] . "[/img]";
1313 $text = "[img]" . $attr['content'] . "[/img]";
1318 DI::cache()->set($cache_key, $text);
1323 public static function cleanPictureLinks($text)
1325 DI::profiler()->startRecording('rendering');
1326 $return = preg_replace_callback("&\[url=([^\[\]]*)\]\[img=(.*)\](.*)\[\/img\]\[\/url\]&Usi", 'self::cleanPictureLinksCallback', $text);
1327 $return = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'self::cleanPictureLinksCallback', $return);
1328 DI::profiler()->stopRecording();
1332 public static function removeLinks(string $bbcode)
1334 DI::profiler()->startRecording('rendering');
1335 $bbcode = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/ism", ' $1 ', $bbcode);
1336 $bbcode = preg_replace("/\[img.*?\[\/img\]/ism", ' ', $bbcode);
1338 $bbcode = preg_replace('/[@!#]\[url\=.*?\].*?\[\/url\]/ism', '', $bbcode);
1339 $bbcode = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $bbcode);
1340 $bbcode = preg_replace('/[@!#]?\[url.*?\[\/url\]/ism', '', $bbcode);
1341 DI::profiler()->stopRecording();
1346 * Replace names in mentions with nicknames
1348 * @param string $body
1349 * @return string Body with replaced mentions
1351 public static function setMentionsToNicknames(string $body):string
1353 DI::profiler()->startRecording('rendering');
1354 $regexp = "/([@!])\[url\=([^\[\]]*)\].*?\[\/url\]/ism";
1355 $body = preg_replace_callback($regexp, ['self', 'mentionCallback'], $body);
1356 DI::profiler()->stopRecording();
1361 * Callback function to replace a Friendica style mention in a mention with the nickname
1363 * @param array $match Matching values for the callback
1364 * @return string Replaced mention
1365 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1367 private static function mentionCallback($match)
1369 if (empty($match[2])) {
1373 $data = Contact::getByURL($match[2], false, ['url', 'nick']);
1374 if (empty($data['nick'])) {
1378 return $match[1] . '[url=' . $data['url'] . ']' . $data['nick'] . '[/url]';
1382 * Converts a BBCode message for a given URI-ID to a HTML message
1384 * BBcode 2 HTML was written by WAY2WEB.net
1385 * extended to work with Mistpark/Friendica - Mike Macgirvin
1387 * Simple HTML values meaning:
1388 * - 0: Friendica display
1390 * - 2: Used for Windows Phone push, Friendica API
1391 * - 3: Used before converting to Markdown in bb2diaspora.php
1392 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
1395 * - 7: Used for dfrn, OStatus
1396 * - 8: Used for Twitter, WP backlink text setting
1400 * @param string $text
1401 * @param int $simple_html
1403 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1405 public static function convertForUriId(int $uriid = null, string $text = null, int $simple_html = self::INTERNAL)
1407 $try_oembed = ($simple_html == self::INTERNAL);
1409 return self::convert($text ?? '', $try_oembed, $simple_html, false, $uriid ?? 0);
1413 * Converts a BBCode message to HTML message
1415 * BBcode 2 HTML was written by WAY2WEB.net
1416 * extended to work with Mistpark/Friendica - Mike Macgirvin
1418 * Simple HTML values meaning:
1419 * - 0: Friendica display
1421 * - 2: Used for Windows Phone push, Friendica API
1422 * - 3: Used before converting to Markdown in bb2diaspora.php
1423 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
1426 * - 7: Used for dfrn, OStatus
1427 * - 8: Used for Twitter, WP backlink text setting
1430 * @param string $text
1431 * @param bool $try_oembed
1432 * @param int $simple_html
1433 * @param bool $for_plaintext
1436 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1438 public static function convert(string $text = null, $try_oembed = true, $simple_html = self::INTERNAL, $for_plaintext = false, $uriid = 0)
1440 // Accounting for null default column values
1441 if (is_null($text) || $text === '') {
1445 DI::profiler()->startRecording('rendering');
1447 Hook::callAll('bbcode', $text);
1451 $text = self::performWithEscapedTags($text, ['code'], function ($text) use ($try_oembed, $simple_html, $for_plaintext, $a, $uriid) {
1452 $text = self::performWithEscapedTags($text, ['noparse', 'nobb', 'pre'], function ($text) use ($try_oembed, $simple_html, $for_plaintext, $a, $uriid) {
1454 * preg_match_callback function to replace potential Oembed tags with Oembed content
1456 * $match[0] = [tag]$url[/tag] or [tag=$url]$title[/tag]
1458 * $match[2] = $title or absent
1460 $try_oembed_callback = function ($match)
1463 $title = $match[2] ?? null;
1466 $return = OEmbed::getHTML($url, $title);
1467 } catch (Exception $ex) {
1468 $return = $match[0];
1474 // Remove the abstract element. It is a non visible element.
1475 $text = self::stripAbstract($text);
1477 // Line ending normalisation
1478 $text = str_replace("\r\n", "\n", $text);
1480 // Move new lines outside of tags
1481 $text = preg_replace("#\[(\w*)](\n*)#ism", '$2[$1]', $text);
1482 $text = preg_replace("#(\n*)\[/(\w*)]#ism", '[/$2]$1', $text);
1484 // Extract the private images which use data urls since preg has issues with
1485 // large data sizes. Stash them away while we do bbcode conversion, and then put them back
1486 // in after we've done all the regex matching. We cannot use any preg functions to do this.
1488 $extracted = self::extractImagesFromItemBody($text);
1489 $text = $extracted['body'];
1490 $saved_image = $extracted['images'];
1492 // If we find any event code, turn it into an event.
1493 // After we're finished processing the bbcode we'll
1494 // replace all of the event code with a reformatted version.
1496 $ev = Event::fromBBCode($text);
1498 // Replace any html brackets with HTML Entities to prevent executing HTML or script
1499 // Don't use strip_tags here because it breaks [url] search by replacing & with amp
1501 $text = str_replace("<", "<", $text);
1502 $text = str_replace(">", ">", $text);
1504 // remove some newlines before the general conversion
1505 $text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "[share$1]$2[/share]", $text);
1506 $text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism", "[quote$1]$2[/quote]", $text);
1508 // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
1510 $text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "\n[share$1$2]$3[/share]", $text);
1513 // Remove linefeeds inside of the table elements. See issue #6799
1514 $search = ["\n[th]", "[th]\n", " [th]", "\n[/th]", "[/th]\n", "[/th] ",
1515 "\n[td]", "[td]\n", " [td]", "\n[/td]", "[/td]\n", "[/td] ",
1516 "\n[tr]", "[tr]\n", " [tr]", "[tr] ", "\n[/tr]", "[/tr]\n", " [/tr]", "[/tr] ",
1517 "\n[hr]", "[hr]\n", " [hr]", "[hr] ",
1518 "\n[attachment ", " [attachment ", "\n[/attachment]", "[/attachment]\n", " [/attachment]", "[/attachment] ",
1519 "[table]\n", "[table] ", " [table]", "\n[/table]", " [/table]", "[/table] "];
1520 $replace = ["[th]", "[th]", "[th]", "[/th]", "[/th]", "[/th]",
1521 "[td]", "[td]", "[td]", "[/td]", "[/td]", "[/td]",
1522 "[tr]", "[tr]", "[tr]", "[tr]", "[/tr]", "[/tr]", "[/tr]", "[/tr]",
1523 "[hr]", "[hr]", "[hr]", "[hr]",
1524 "[attachment ", "[attachment ", "[/attachment]", "[/attachment]", "[/attachment]", "[/attachment]",
1525 "[table]", "[table]", "[table]", "[/table]", "[/table]", "[/table]"];
1528 $text = str_replace($search, $replace, $text);
1529 } while ($oldtext != $text);
1531 // Replace these here only once
1532 $search = ["\n[table]", "[/table]\n"];
1533 $replace = ["[table]", "[/table]"];
1534 $text = str_replace($search, $replace, $text);
1536 // Trim new lines regardless of the system.remove_multiplicated_lines config value
1537 $text = trim($text, "\n");
1539 // removing multiplicated newlines
1540 if (DI::config()->get('system', 'remove_multiplicated_lines')) {
1541 $search = ["\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[*]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n",
1542 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n"];
1543 $replace = ["\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[*]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
1544 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]"];
1547 $text = str_replace($search, $replace, $text);
1548 } while ($oldtext != $text);
1551 /// @todo Have a closer look at the different html modes
1552 // Handle attached links or videos
1553 if (in_array($simple_html, [self::API, self::ACTIVITYPUB])) {
1554 $text = self::removeAttachment($text);
1555 } elseif (!in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::CONNECTORS])) {
1556 $text = self::removeAttachment($text, true);
1558 $text = self::convertAttachment($text, $simple_html, $try_oembed, [], $uriid);
1561 // Add HTML new lines
1562 $text = str_replace("\n", '<br>', $text);
1564 $nosmile = strpos($text, '[nosmile]') !== false;
1565 $text = str_replace('[nosmile]', '', $text);
1567 // Replace non graphical smilies for external posts
1569 $text = self::performWithEscapedTags($text, ['img'], function ($text) use ($simple_html, $for_plaintext) {
1570 return Smilies::replace($text, ($simple_html != self::INTERNAL) || $for_plaintext);
1574 // leave open the posibility of [map=something]
1575 // this is replaced in Item::prepareBody() which has knowledge of the item location
1576 if (strpos($text, '[/map]') !== false) {
1577 $text = preg_replace_callback(
1578 "/\[map\](.*?)\[\/map\]/ism",
1579 function ($match) use ($simple_html) {
1580 return str_replace($match[0], '<p class="map">' . Map::byLocation($match[1], $simple_html) . '</p>', $match[0]);
1586 if (strpos($text, '[map=') !== false) {
1587 $text = preg_replace_callback(
1588 "/\[map=(.*?)\]/ism",
1589 function ($match) use ($simple_html) {
1590 return str_replace($match[0], '<p class="map">' . Map::byCoordinates(str_replace('/', ' ', $match[1]), $simple_html) . '</p>', $match[0]);
1596 if (strpos($text, '[map]') !== false) {
1597 $text = preg_replace("/\[map\]/", '<p class="map"></p>', $text);
1600 // Check for headers
1601 $text = preg_replace("(\[h1\](.*?)\[\/h1\])ism", '<h1>$1</h1>', $text);
1602 $text = preg_replace("(\[h2\](.*?)\[\/h2\])ism", '<h2>$1</h2>', $text);
1603 $text = preg_replace("(\[h3\](.*?)\[\/h3\])ism", '<h3>$1</h3>', $text);
1604 $text = preg_replace("(\[h4\](.*?)\[\/h4\])ism", '<h4>$1</h4>', $text);
1605 $text = preg_replace("(\[h5\](.*?)\[\/h5\])ism", '<h5>$1</h5>', $text);
1606 $text = preg_replace("(\[h6\](.*?)\[\/h6\])ism", '<h6>$1</h6>', $text);
1608 // Check for paragraph
1609 $text = preg_replace("(\[p\](.*?)\[\/p\])ism", '<p>$1</p>', $text);
1611 // Check for bold text
1612 $text = preg_replace("(\[b\](.*?)\[\/b\])ism", '<strong>$1</strong>', $text);
1614 // Check for Italics text
1615 $text = preg_replace("(\[i\](.*?)\[\/i\])ism", '<em>$1</em>', $text);
1617 // Check for Underline text
1618 $text = preg_replace("(\[u\](.*?)\[\/u\])ism", '<u>$1</u>', $text);
1620 // Check for strike-through text
1621 $text = preg_replace("(\[s\](.*?)\[\/s\])ism", '<s>$1</s>', $text);
1623 // Check for over-line text
1624 $text = preg_replace("(\[o\](.*?)\[\/o\])ism", '<span class="overline">$1</span>', $text);
1626 // Check for colored text
1627 $text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism", "<span style=\"color: $1;\">$2</span>", $text);
1629 // Check for sized text
1630 // [size=50] --> font-size: 50px (with the unit).
1631 if ($simple_html != self::DIASPORA) {
1632 $text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism", '<span style="font-size:$1px;line-height:normal;">$2</span>', $text);
1633 $text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", '<span style="font-size:$1;line-height:normal;">$2</span>', $text);
1635 // Issue 2199: Diaspora doesn't interpret the construct above, nor the <small> or <big> element
1636 $text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", "$2", $text);
1640 // Check for centered text
1641 $text = preg_replace("(\[center\](.*?)\[\/center\])ism", '<div style="text-align:center;">$1</div>', $text);
1643 // Check for list text
1644 $text = str_replace("[*]", "<li>", $text);
1646 // Check for style sheet commands
1647 $text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism", '<span style="$1">$2</span>', $text);
1649 // Check for CSS classes
1650 $text = preg_replace("(\[class=(.*?)\](.*?)\[\/class\])ism", '<span class="$1">$2</span>', $text);
1652 // handle nested lists
1655 while ((((strpos($text, "[/list]") !== false) && (strpos($text, "[list") !== false)) ||
1656 ((strpos($text, "[/ol]") !== false) && (strpos($text, "[ol]") !== false)) ||
1657 ((strpos($text, "[/ul]") !== false) && (strpos($text, "[ul]") !== false)) ||
1658 ((strpos($text, "[/li]") !== false) && (strpos($text, "[li]") !== false))) && (++$endlessloop < 20)) {
1659 $text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $text);
1660 $text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>', $text);
1661 $text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $text);
1662 $text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism", '<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>', $text);
1663 $text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>', $text);
1664 $text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>', $text);
1665 $text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>', $text);
1666 $text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $text);
1667 $text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $text);
1668 $text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>', $text);
1671 $text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $text);
1672 $text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>', $text);
1673 $text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>', $text);
1674 $text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>', $text);
1676 $text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>', $text);
1677 $text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>', $text);
1679 $text = str_replace('[hr]', '<hr />', $text);
1681 if (!$for_plaintext) {
1682 $text = self::performWithEscapedTags($text, ['url', 'img', 'audio', 'video', 'youtube', 'vimeo', 'share', 'attachment', 'iframe', 'bookmark'], function ($text) {
1683 return preg_replace(Strings::autoLinkRegEx(), '[url]$1[/url]', $text);
1687 // Check for font change text
1688 $text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "<span style=\"font-family: $1;\">$2</span>", $text);
1690 // Declare the format for [spoiler] layout
1691 $SpoilerLayout = '<details class="spoiler"><summary>' . DI::l10n()->t('Click to open/close') . '</summary>$1</details>';
1693 // Check for [spoiler] text
1694 // handle nested quotes
1696 while ((strpos($text, "[/spoiler]") !== false) && (strpos($text, "[spoiler]") !== false) && (++$endlessloop < 20)) {
1697 $text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism", $SpoilerLayout, $text);
1700 // Check for [spoiler=Title] text
1702 // handle nested quotes
1704 while ((strpos($text, "[/spoiler]")!== false) && (strpos($text, "[spoiler=") !== false) && (++$endlessloop < 20)) {
1705 $text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1706 '<details class="spoiler"><summary>$1</summary>$2</details>',
1710 // Declare the format for [quote] layout
1711 $QuoteLayout = '<blockquote>$1</blockquote>';
1713 // Check for [quote] text
1714 // handle nested quotes
1716 while ((strpos($text, "[/quote]") !== false) && (strpos($text, "[quote]") !== false) && (++$endlessloop < 20)) {
1717 $text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $text);
1720 // Check for [quote=Author] text
1722 $t_wrote = DI::l10n()->t('$1 wrote:');
1724 // handle nested quotes
1726 while ((strpos($text, "[/quote]")!== false) && (strpos($text, "[quote=") !== false) && (++$endlessloop < 20)) {
1727 $text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1728 "<p><strong class=".'"author"'.">" . $t_wrote . "</strong></p><blockquote>$2</blockquote>",
1733 // [img=widthxheight]image source[/img]
1734 $text = preg_replace_callback(
1735 "/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism",
1736 function ($matches) use ($simple_html, $uriid) {
1737 if (strpos($matches[3], "data:image/") === 0) {
1741 $matches[3] = self::proxyUrl($matches[3], $simple_html, $uriid);
1742 return "[img=" . $matches[1] . "x" . $matches[2] . "]" . $matches[3] . "[/img]";
1747 $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $text);
1748 $text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $text);
1750 $text = preg_replace_callback("/\[img\=(.*?)\](.*?)\[\/img\]/ism",
1751 function ($matches) use ($simple_html, $uriid) {
1752 $matches[1] = self::proxyUrl($matches[1], $simple_html, $uriid);
1753 $matches[2] = htmlspecialchars($matches[2], ENT_COMPAT);
1754 return '<img src="' . $matches[1] . '" alt="' . $matches[2] . '" title="' . $matches[2] . '">';
1759 // [img]pathtoimage[/img]
1760 $text = preg_replace_callback(
1761 "/\[img\](.*?)\[\/img\]/ism",
1762 function ($matches) use ($simple_html, $uriid) {
1763 if (strpos($matches[1], "data:image/") === 0) {
1767 $matches[1] = self::proxyUrl($matches[1], $simple_html, $uriid);
1768 return "[img]" . $matches[1] . "[/img]";
1773 $text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . DI::l10n()->t('Image/photo') . '" />', $text);
1774 $text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . DI::l10n()->t('Image/photo') . '" />', $text);
1776 $text = self::convertImages($text, $simple_html, $uriid);
1778 $text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism", '<br><img src="' .DI::baseUrl() . '/images/lock_icon.gif" alt="' . DI::l10n()->t('Encrypted content') . '" title="' . DI::l10n()->t('Encrypted content') . '" /><br>', $text);
1779 $text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism", '<br><img src="' .DI::baseUrl() . '/images/lock_icon.gif" alt="' . DI::l10n()->t('Encrypted content') . '" title="' . '$1' . ' ' . DI::l10n()->t('Encrypted content') . '" /><br>', $text);
1780 //$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism", '<br><img src="' .DI::baseUrl() . '/images/lock_icon.gif" alt="' . DI::l10n()->t('Encrypted content') . '" title="' . '$1' . ' ' . DI::l10n()->t('Encrypted content') . '" /><br>', $Text);
1782 // Simplify "video" element
1783 $text = preg_replace('(\[video[^\]]*?\ssrc\s?=\s?([^\s\]]+)[^\]]*?\].*?\[/video\])ism', '[video]$1[/video]', $text);
1786 // html5 video and audio
1787 $text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4).*?)\[\/video\]/ism",
1788 '<video src="$1" controls width="100%" height="auto"><a href="$1">$1</a></video>', $text);
1790 $text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", $try_oembed_callback, $text);
1791 $text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", $try_oembed_callback, $text);
1793 $text = preg_replace("/\[video\](.*?)\[\/video\]/ism",
1794 '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
1795 $text = preg_replace("/\[audio\](.*?)\[\/audio\]/ism", '<audio src="$1" controls><a href="$1">$1</a></audio>', $text);
1797 $text = preg_replace("/\[video\](.*?)\[\/video\]/ism",
1798 '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
1799 $text = preg_replace("/\[audio\](.*?)\[\/audio\]/ism",
1800 '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
1803 // Backward compatibility, [iframe] support has been removed in version 2020.12
1804 $text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $text);
1806 // Youtube extensions
1808 $text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1809 $text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1810 $text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1813 $text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1814 $text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1815 $text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1818 $text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->getThemeInfoValue('videowidth') . '" height="' . $a->getThemeInfoValue('videoheight') . '" src="https://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $text);
1820 $text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1821 '<a href="https://www.youtube.com/watch?v=$1" target="_blank" rel="noopener noreferrer">https://www.youtube.com/watch?v=$1</a>', $text);
1825 $text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism", $try_oembed_callback, $text);
1826 $text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism", $try_oembed_callback, $text);
1829 $text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $text);
1830 $text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $text);
1833 $text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->getThemeInfoValue('videowidth') . '" height="' . $a->getThemeInfoValue('videoheight') . '" src="https://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $text);
1835 $text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1836 '<a href="https://vimeo.com/$1" target="_blank" rel="noopener noreferrer">https://vimeo.com/$1</a>', $text);
1840 $text = OEmbed::BBCode2HTML($text);
1842 // Avoid triple linefeeds through oembed
1843 $text = str_replace("<br style='clear:left'></span><br><br>", "<br style='clear:left'></span><br>", $text);
1845 // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1846 // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1847 // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1848 // start which is always required). Allow desc with a missing summary for compatibility.
1850 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1851 $sub = Event::getHTML($ev, $simple_html, $uriid);
1853 $text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism", '', $text);
1854 $text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism", '', $text);
1855 $text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $text);
1856 $text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $text);
1857 $text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $text);
1858 $text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism", '', $text);
1859 $text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism", '', $text);
1862 if (!$for_plaintext && DI::config()->get('system', 'big_emojis') && ($simple_html != self::DIASPORA)) {
1863 $conv = html_entity_decode(str_replace([' ', "\n", "\r"], '', $text));
1864 // Emojis are always 4 byte Unicode characters
1865 if (!empty($conv) && (strlen($conv) / mb_strlen($conv) == 4)) {
1866 $text = '<span style="font-size: xx-large; line-height: normal;">' . $text . '</span>';
1870 // Handle mentions and hashtag links
1871 if ($simple_html == self::DIASPORA) {
1872 // The ! is converted to @ since Diaspora only understands the @
1873 $text = preg_replace("/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
1874 '@<a href="$2">$3</a>',
1876 } elseif (in_array($simple_html, [self::OSTATUS, self::ACTIVITYPUB])) {
1877 $text = preg_replace("/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
1878 '<span class="h-card"><a href="$2" class="u-url mention">$1<span>$3</span></a></span>',
1880 $text = preg_replace("/([#])\[url\=(.*?)\](.*?)\[\/url\]/ism",
1881 '<a href="$2" class="mention hashtag" rel="tag">$1<span>$3</span></a>',
1883 } elseif (in_array($simple_html, [self::INTERNAL, self::EXTERNAL, self::API])) {
1884 $text = preg_replace("/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism",
1885 '<bdi>$1<a href="$2" class="userinfo mention" title="$3">$3</a></bdi>',
1888 $text = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '$1$3', $text);
1891 if (!$for_plaintext) {
1892 if (in_array($simple_html, [self::OSTATUS, self::API, self::ACTIVITYPUB])) {
1893 $text = preg_replace_callback("/\[url\](.*?)\[\/url\]/ism", 'self::convertUrlForActivityPubCallback', $text);
1894 $text = preg_replace_callback("/\[url\=(.*?)\](.*?)\[\/url\]/ism", 'self::convertUrlForActivityPubCallback', $text);
1897 $text = preg_replace("(\[url\](.*?)\[\/url\])ism", " $1 ", $text);
1898 $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'self::removePictureLinksCallback', $text);
1901 // Bookmarks in red - will be converted to bookmarks in friendica
1902 $text = preg_replace("/#\^\[url\](.*?)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $text);
1903 $text = preg_replace("/#\^\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $text);
1904 $text = preg_replace("/#\[url\=.*?\]\^\[\/url\]\[url\=(.*?)\](.*?)\[\/url\]/i",
1905 "[bookmark=$1]$2[/bookmark]", $text);
1907 if (in_array($simple_html, [self::OSTATUS, self::TWITTER])) {
1908 $text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", "self::expandLinksCallback", $text);
1909 //$Text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $Text);
1910 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]',$text);
1913 // Perform URL Search
1915 $text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $try_oembed_callback, $text);
1918 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $text);
1920 // Handle Diaspora posts
1921 $text = preg_replace_callback(
1922 "&\[url=/?posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
1924 return "[url=" . DI::baseUrl() . "/display/" . $match[1] . "]" . $match[2] . "[/url]";
1928 $text = preg_replace_callback(
1929 "&\[url=/people\?q\=(.*)\](.*)\[\/url\]&Usi",
1931 return "[url=" . DI::baseUrl() . "/search?search=%40" . $match[1] . "]" . $match[2] . "[/url]";
1935 // Server independent link to posts and comments
1936 // See issue: https://github.com/diaspora/diaspora_federation/issues/75
1937 $expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
1938 $text = preg_replace($expression, DI::baseUrl()."/display/$1", $text);
1942 * - #[url=<anything>]<term>[/url]
1943 * - [url=<anything>]#<term>[/url]
1945 $text = preg_replace_callback("/(?:#\[url\=[^\[\]]*\]|\[url\=[^\[\]]*\]#)(.*?)\[\/url\]/ism", function($matches) use ($simple_html) {
1946 if ($simple_html == self::ACTIVITYPUB) {
1947 return '<a href="' . DI::baseUrl() . '/search?tag=' . rawurlencode($matches[1])
1948 . '" data-tag="' . XML::escape($matches[1]) . '" rel="tag ugc">#'
1949 . XML::escape($matches[1]) . '</a>';
1951 return '#<a href="' . DI::baseUrl() . '/search?tag=' . rawurlencode($matches[1])
1952 . '" class="tag" rel="tag" title="' . XML::escape($matches[1]) . '">'
1953 . XML::escape($matches[1]) . '</a>';
1957 // We need no target="_blank" rel="noopener noreferrer" for local links
1958 // convert links start with DI::baseUrl() as local link without the target="_blank" rel="noopener noreferrer" attribute
1959 $escapedBaseUrl = preg_quote(DI::baseUrl(), '/');
1960 $text = preg_replace("/\[url\](".$escapedBaseUrl.".*?)\[\/url\]/ism", '<a href="$1">$1</a>', $text);
1961 $text = preg_replace("/\[url\=(".$escapedBaseUrl.".*?)\](.*?)\[\/url\]/ism", '<a href="$1">$2</a>', $text);
1963 $text = preg_replace("/\[url\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$1</a>', $text);
1964 $text = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$2</a>', $text);
1966 // Red compatibility, though the link can't be authenticated on Friendica
1967 $text = preg_replace("/\[zrl\=(.*?)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank" rel="noopener noreferrer">$2</a>', $text);
1970 // we may need to restrict this further if it picks up too many strays
1971 // link acct:user@host to a webfinger profile redirector
1973 $text = preg_replace('/acct:([^@]+)@((?!\-)(?:[a-zA-Z\d\-]{0,62}[a-zA-Z\d]\.){1,126}(?!\d+)[a-zA-Z\d]{1,63})/', '<a href="' . DI::baseUrl() . '/acctlink?addr=$1@$2" target="extlink">acct:$1@$2</a>', $text);
1975 // Perform MAIL Search
1976 $text = preg_replace("/\[mail\](.*?)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $text);
1977 $text = preg_replace("/\[mail\=(.*?)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $text);
1979 /// @todo What is the meaning of these lines?
1980 $text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/', '&$1;', $text);
1981 $text = preg_replace('/\&\#039\;/', '\'', $text);
1983 // Currently deactivated, it made problems with " inside of alt texts.
1984 //$text = preg_replace('/\"\;/', '"', $text);
1986 // fix any escaped ampersands that may have been converted into links
1987 $text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&\;(.*?)\>/ism', '<$1$2=$3&$4>', $text);
1989 // sanitizes src attributes (http and redir URLs for displaying in a web page, cid used for inline images in emails)
1990 $allowed_src_protocols = ['//', 'http://', 'https://', 'redir/', 'cid:'];
1992 array_walk($allowed_src_protocols, function(&$value) { $value = preg_quote($value, '#');});
1994 $text = preg_replace('#<([^>]*?)(src)="(?!' . implode('|', $allowed_src_protocols) . ')(.*?)"(.*?)>#ism',
1995 '<$1$2=""$4 data-original-src="$3" class="invalid-src" title="' . DI::l10n()->t('Invalid source protocol') . '">', $text);
1997 // sanitize href attributes (only allowlisted protocols URLs)
1998 // default value for backward compatibility
1999 $allowed_link_protocols = DI::config()->get('system', 'allowed_link_protocols', []);
2001 // Always allowed protocol even if config isn't set or not including it
2002 $allowed_link_protocols[] = '//';
2003 $allowed_link_protocols[] = 'http://';
2004 $allowed_link_protocols[] = 'https://';
2005 $allowed_link_protocols[] = 'redir/';
2007 array_walk($allowed_link_protocols, function(&$value) { $value = preg_quote($value, '#');});
2009 $regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
2010 $text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 data-original-href="$3" class="invalid-href" title="' . DI::l10n()->t('Invalid link protocol') . '">', $text);
2013 $text = self::convertShare(
2015 function (array $attributes, array $author_contact, $content, $is_quote_share) use ($simple_html) {
2016 return self::convertShareCallback($attributes, $author_contact, $content, $is_quote_share, $simple_html);
2020 $text = self::interpolateSavedImagesIntoItemBody($uriid, $text, $saved_image);
2023 }); // Escaped noparse, nobb, pre
2025 // Remove escaping tags and replace new lines that remain
2026 $text = preg_replace_callback('/\[(noparse|nobb)](.*?)\[\/\1]/ism', function ($match) {
2027 return str_replace("\n", "<br>", $match[2]);
2030 // Additionally, [pre] tags preserve spaces
2031 $text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", function ($match) {
2032 return str_replace([' ', "\n"], [' ', "<br>"], htmlentities($match[1], ENT_NOQUOTES,'UTF-8'));
2038 $text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#ism",
2039 function ($matches) {
2040 if (strpos($matches[2], "\n") !== false) {
2041 $return = '<pre><code class="language-' . trim($matches[1]) . '">' . htmlentities(trim($matches[2], "\n\r"), ENT_NOQUOTES, 'UTF-8') . '</code></pre>';
2043 $return = '<code>' . htmlentities($matches[2], ENT_NOQUOTES, 'UTF-8') . '</code>';
2051 // Default iframe allowed domains/path
2052 $allowedIframeDomains = [
2053 DI::baseUrl()->getHostname()
2054 . (DI::baseUrl()->getUrlPath() ? '/' . DI::baseUrl()->getUrlPath() : '')
2055 . '/oembed/', # The path part has to change with the source in Content\Oembed::iframe
2056 'www.youtube.com/embed/',
2057 'player.vimeo.com/video/',
2060 $allowedIframeDomains = array_merge(
2061 $allowedIframeDomains,
2062 DI::config()->get('system', 'allowed_oembed') ?
2063 explode(',', DI::config()->get('system', 'allowed_oembed'))
2067 $text = HTML::purify($text, $allowedIframeDomains);
2068 DI::profiler()->stopRecording();
2074 * Strips the "abstract" tag from the provided text
2076 * @param string $text The text with BBCode
2077 * @return string The same text - but without "abstract" element
2079 public static function stripAbstract($text)
2081 DI::profiler()->startRecording('rendering');
2082 $text = preg_replace("/[\s|\n]*\[abstract\].*?\[\/abstract\][\s|\n]*/ism", '', $text);
2083 $text = preg_replace("/[\s|\n]*\[abstract=.*?\].*?\[\/abstract][\s|\n]*/ism", '', $text);
2085 DI::profiler()->stopRecording();
2090 * Returns the value of the "abstract" element
2092 * @param string $text The text that maybe contains the element
2093 * @param string $addon The addon for which the abstract is meant for
2094 * @return string The abstract
2096 public static function getAbstract($text, $addon = '')
2098 DI::profiler()->startRecording('rendering');
2101 $addon = strtolower($addon);
2103 if (preg_match_all("/\[abstract=(.*?)\](.*?)\[\/abstract\]/ism", $text, $results, PREG_SET_ORDER)) {
2104 foreach ($results AS $result) {
2105 $abstracts[strtolower($result[1])] = $result[2];
2109 if (isset($abstracts[$addon])) {
2110 $abstract = $abstracts[$addon];
2113 if ($abstract == '' && preg_match("/\[abstract\](.*?)\[\/abstract\]/ism", $text, $result)) {
2114 $abstract = $result[1];
2117 DI::profiler()->stopRecording();
2122 * Callback function to replace a Friendica style mention in a mention for Diaspora
2124 * @param array $match Matching values for the callback
2125 * [1] = Mention type (! or @)
2128 * @return string Replaced mention
2129 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2130 * @throws \ImagickException
2132 private static function bbCodeMention2DiasporaCallback($match)
2134 $contact = Contact::getByURL($match[3], false, ['addr']);
2135 if (empty($contact['addr'])) {
2139 $mention = $match[1] . '{' . $match[2] . '; ' . $contact['addr'] . '}';
2144 * Converts a BBCode text into Markdown
2146 * This function converts a BBCode item body to be sent to Markdown-enabled
2147 * systems like Diaspora and Libertree
2149 * @param string $text
2150 * @param bool $for_diaspora Diaspora requires more changes than Libertree
2152 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2154 public static function toMarkdown($text, $for_diaspora = true)
2156 DI::profiler()->startRecording('rendering');
2157 $original_text = $text;
2159 // Since Diaspora is creating a summary for links, this function removes them before posting
2160 if ($for_diaspora) {
2161 $text = self::removeShareInformation($text);
2165 * Transform #tags, strip off the [url] and replace spaces with underscore
2167 $url_search_string = "^\[\]";
2168 $text = preg_replace_callback("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/i",
2169 function ($matches) {
2170 return '#' . str_replace(' ', '_', $matches[2]);
2175 // Converting images with size parameters to simple images. Markdown doesn't know it.
2176 $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $text);
2178 // Convert it to HTML - don't try oembed
2179 if ($for_diaspora) {
2180 $text = self::convert($text, false, self::DIASPORA);
2182 // Add all tags that maybe were removed
2183 if (preg_match_all("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/ism", $original_text, $tags)) {
2185 foreach ($tags[2] as $tag) {
2186 $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
2187 if (!strpos(html_entity_decode($text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
2188 $tagline .= '#' . $tag . ' ';
2191 $text = $text . " " . $tagline;
2194 $text = self::convert($text, false, self::CONNECTORS);
2197 // If a link is followed by a quote then there should be a newline before it
2198 // Maybe we should make this newline at every time before a quote.
2199 $text = str_replace(['</a><blockquote>'], ['</a><br><blockquote>'], $text);
2201 // Now convert HTML to Markdown
2202 $text = HTML::toMarkdown($text);
2204 // Libertree has a problem with escaped hashtags.
2205 $text = str_replace(['\#'], ['#'], $text);
2207 // Remove any leading or trailing whitespace, as this will mess up
2208 // the Diaspora signature verification and cause the item to disappear
2209 $text = trim($text);
2211 if ($for_diaspora) {
2212 $url_search_string = "^\[\]";
2213 $text = preg_replace_callback(
2214 "/([@!])\[(.*?)\]\(([$url_search_string]*?)\)/ism",
2215 ['self', 'bbCodeMention2DiasporaCallback'],
2220 Hook::callAll('bb2diaspora', $text);
2222 DI::profiler()->stopRecording();
2227 * Pull out all #hashtags and @person tags from $string.
2229 * We also get @person@domain.com - which would make
2230 * the regex quite complicated as tags can also
2231 * end a sentence. So we'll run through our results
2232 * and strip the period from any tags which end with one.
2233 * Returns array of tags found, or empty array.
2235 * @param string $string Post content
2237 * @return array List of tag and person names
2239 public static function getTags($string)
2241 DI::profiler()->startRecording('rendering');
2244 self::performWithEscapedTags($string, ['noparse', 'pre', 'code', 'img'], function ($string) use (&$ret) {
2245 // Convert hashtag links to hashtags
2246 $string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2 ', $string);
2248 // Force line feeds at bbtags
2249 $string = str_replace(['[', ']'], ["\n[", "]\n"], $string);
2251 // ignore anything in a bbtag
2252 $string = preg_replace('/\[(.*?)\]/sm', '', $string);
2254 // Match full names against @tags including the space between first and last
2255 // We will look these up afterward to see if they are full names or not recognisable.
2257 if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) {
2258 foreach ($matches[1] as $match) {
2259 if (strstr($match, ']')) {
2260 // we might be inside a bbcode color tag - leave it alone
2264 if (substr($match, -1, 1) === '.') {
2265 $ret[] = substr($match, 0, -1);
2272 // Otherwise pull out single word tags. These can be @nickname, @first_last
2275 if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?\']*[^\^ \x0D\x0A,;:?!\'.])/', $string, $matches)) {
2276 foreach ($matches[1] as $match) {
2277 if (strstr($match, ']')) {
2278 // we might be inside a bbcode color tag - leave it alone
2282 // try not to catch url fragments
2283 if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) {
2292 DI::profiler()->stopRecording();
2293 return array_unique($ret);
2297 * Expand tags to URLs, checks the tag is at the start of a line or preceded by a non-word character
2299 * @param string $body
2300 * @return string body with expanded tags
2302 public static function expandTags(string $body)
2304 return preg_replace_callback("/(?<=\W|^)([!#@])([^\^ \x0D\x0A,;:?'\"]*[^\^ \x0D\x0A,;:?!'\".])/",
2306 switch ($match[1]) {
2309 $contact = Contact::getByURL($match[2]);
2310 if (!empty($contact)) {
2311 return $match[1] . '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
2313 return $match[1] . $match[2];
2318 return $match[1] . '[url=' . 'https://' . DI::baseUrl() . '/search?tag=' . $match[2] . ']' . $match[2] . '[/url]';
2324 * Perform a custom function on a text after having escaped blocks enclosed in the provided tag list.
2326 * @param string $text
2327 * @param array $tagList A list of tag names, e.g ['noparse', 'nobb', 'pre']
2328 * @param callable $callback
2331 *@see Strings::performWithEscapedBlocks
2334 public static function performWithEscapedTags(string $text, array $tagList, callable $callback)
2336 $tagList = array_map('preg_quote', $tagList);
2338 return Strings::performWithEscapedBlocks($text, '#\[(?:' . implode('|', $tagList) . ').*?\[/(?:' . implode('|', $tagList) . ')]#ism', $callback);
2342 * Replaces mentions in the provided message body for the provided user and network if any
2345 * @param $profile_uid
2348 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2349 * @throws \ImagickException
2351 public static function setMentions($body, $profile_uid = 0, $network = '')
2353 DI::profiler()->startRecording('rendering');
2354 self::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) use ($profile_uid, $network) {
2355 $tags = self::getTags($body);
2360 foreach ($tags as $tag) {
2361 $tag_type = substr($tag, 0, 1);
2363 if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
2368 * If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
2369 * Robert Johnson should be first in the $tags array
2371 foreach ($tagged as $nextTag) {
2372 if (stristr($nextTag, $tag . ' ')) {
2377 if (($success = Item::replaceTag($body, $inform, $profile_uid, $tag, $network)) && $success['replaced']) {
2385 DI::profiler()->stopRecording();
2390 * @param string $author Author display name
2391 * @param string $profile Author profile URL
2392 * @param string $avatar Author profile picture URL
2393 * @param string $link Post source URL
2394 * @param string $posted Post created date
2395 * @param string|null $guid Post guid (if any)
2397 * @TODO Rewrite to handle over whole record array
2399 public static function getShareOpeningTag(string $author, string $profile, string $avatar, string $link, string $posted, string $guid = null)
2401 DI::profiler()->startRecording('rendering');
2402 $header = "[share author='" . str_replace(["'", "[", "]"], ["'", "[", "]"], $author) .
2403 "' profile='" . str_replace(["'", "[", "]"], ["'", "[", "]"], $profile) .
2404 "' avatar='" . str_replace(["'", "[", "]"], ["'", "[", "]"], $avatar) .
2405 "' link='" . str_replace(["'", "[", "]"], ["'", "[", "]"], $link) .
2406 "' posted='" . str_replace(["'", "[", "]"], ["'", "[", "]"], $posted);
2409 $header .= "' guid='" . str_replace(["'", "[", "]"], ["'", "[", "]"], $guid);
2414 DI::profiler()->stopRecording();
2419 * Returns the BBCode relevant to embed the provided URL in a post body.
2420 * For media type, it will return [img], [video] and [audio] tags.
2421 * For regular web pages, it will either output a [bookmark] tag if title and description were provided,
2422 * an [attachment] tag or a simple [url] tag depending on $tryAttachment.
2424 * @param string $url
2425 * @param bool $tryAttachment
2426 * @param string|null $title
2427 * @param string|null $description
2428 * @param string|null $tags
2430 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2431 *@see ParseUrl::getSiteinfoCached
2434 public static function embedURL(string $url, bool $tryAttachment = true, string $title = null, string $description = null, string $tags = null): string
2436 DI::profiler()->startRecording('rendering');
2437 DI::logger()->info($url);
2439 // If there is already some content information submitted we don't
2440 // need to parse the url for content.
2441 if (!empty($title) && !empty($description)) {
2442 $title = str_replace(["\r", "\n"], ['', ''], $title);
2444 $description = '[quote]' . trim($description) . '[/quote]' . "\n";
2447 if (!empty($tags)) {
2448 $arr_tags = ParseUrl::convertTagsToArray($tags);
2449 if (count($arr_tags)) {
2450 $str_tags = "\n" . implode(' ', $arr_tags) . "\n";
2454 $result = sprintf('[bookmark=%s]%s[/bookmark]%s', $url, ($title) ? $title : $url, $description) . $str_tags;
2456 DI::logger()->info('(unparsed): returns: ' . $result);
2458 DI::profiler()->stopRecording();
2462 $siteinfo = ParseUrl::getSiteinfoCached($url);
2464 if (in_array($siteinfo['type'], ['image', 'video', 'audio'])) {
2465 switch ($siteinfo['type']) {
2467 $bbcode = "\n" . '[video]' . $url . '[/video]' . "\n";
2470 $bbcode = "\n" . '[audio]' . $url . '[/audio]' . "\n";
2473 $bbcode = "\n" . '[img]' . $url . '[/img]' . "\n";
2477 DI::profiler()->stopRecording();
2481 unset($siteinfo['keywords']);
2483 // Bypass attachment if parse url for a comment
2484 if (!$tryAttachment) {
2485 DI::profiler()->stopRecording();
2486 return "\n" . '[url=' . $url . ']' . $siteinfo['title'] . '[/url]';
2489 // Format it as BBCode attachment
2490 $bbcode = "\n" . PageInfo::getFooterFromData($siteinfo);
2491 DI::profiler()->stopRecording();