4 * @file src/Content/Text/BBCode.php
7 namespace Friendica\Content\Text;
12 use Friendica\BaseObject;
13 use Friendica\Content\OEmbed;
14 use Friendica\Content\Smilies;
15 use Friendica\Core\Addon;
16 use Friendica\Core\Cache;
17 use Friendica\Core\Config;
18 use Friendica\Core\L10n;
19 use Friendica\Core\PConfig;
20 use Friendica\Core\Protocol;
21 use Friendica\Core\System;
22 use Friendica\Model\Contact;
23 use Friendica\Model\Event;
24 use Friendica\Network\Probe;
25 use Friendica\Object\Image;
26 use Friendica\Util\Map;
27 use Friendica\Util\Network;
28 use Friendica\Util\ParseUrl;
29 use League\HTMLToMarkdown\HtmlConverter;
31 require_once "mod/proxy.php";
33 class BBCode extends BaseObject
36 * @brief Fetches attachment data that were generated the old way
38 * @param string $body Message body
40 * 'type' -> Message type ("link", "video", "photo")
41 * 'text' -> Text before the shared message
42 * 'after' -> Text after the shared message
43 * 'image' -> Preview image of the message
44 * 'url' -> Url to the attached message
45 * 'title' -> Title of the attachment
46 * 'description' -> Description of the attachment
48 private static function getOldAttachmentData($body)
52 // Simplify image codes
53 $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
55 if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism", $body, $attached, PREG_SET_ORDER)) {
56 foreach ($attached as $data) {
57 if (!in_array($data[1], ["type-link", "type-video", "type-photo"])) {
61 $post["type"] = substr($data[1], 5);
63 $pos = strpos($body, $data[0]);
65 $post["text"] = trim(substr($body, 0, $pos));
66 $post["after"] = trim(substr($body, $pos + strlen($data[0])));
68 $post["text"] = trim(str_replace($data[0], "", $body));
71 $attacheddata = $data[2];
73 $URLSearchString = "^\[\]";
75 if (preg_match("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $attacheddata, $matches)) {
77 $picturedata = Image::getInfoFromURL($matches[1]);
80 if (($picturedata[0] >= 500) && ($picturedata[0] >= $picturedata[1])) {
81 $post["image"] = $matches[1];
83 $post["preview"] = $matches[1];
88 if (preg_match("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
89 $post["url"] = $matches[1];
90 $post["title"] = $matches[2];
92 if (($post["url"] == "") && (in_array($post["type"], ["link", "video"]))
93 && preg_match("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $attacheddata, $matches)) {
94 $post["url"] = $matches[1];
97 // Search for description
98 if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches)) {
99 $post["description"] = $matches[1];
107 * @brief Fetches attachment data that were generated with the "attachment" element
109 * @param string $body Message body
111 * 'type' -> Message type ("link", "video", "photo")
112 * 'text' -> Text before the shared message
113 * 'after' -> Text after the shared message
114 * 'image' -> Preview image of the message
115 * 'url' -> Url to the attached message
116 * 'title' -> Title of the attachment
117 * 'description' -> Description of the attachment
119 public static function getAttachmentData($body)
123 if (!preg_match("/(.*)\[attachment(.*?)\](.*?)\[\/attachment\](.*)/ism", $body, $match)) {
124 return self::getOldAttachmentData($body);
127 $attributes = $match[2];
129 $data["text"] = trim($match[1]);
132 preg_match("/type='(.*?)'/ism", $attributes, $matches);
133 if (x($matches, 1)) {
134 $type = strtolower($matches[1]);
137 preg_match('/type="(.*?)"/ism', $attributes, $matches);
138 if (x($matches, 1)) {
139 $type = strtolower($matches[1]);
146 if (!in_array($type, ["link", "audio", "photo", "video"])) {
151 $data["type"] = $type;
155 preg_match("/url='(.*?)'/ism", $attributes, $matches);
156 if (x($matches, 1)) {
160 preg_match('/url="(.*?)"/ism', $attributes, $matches);
161 if (x($matches, 1)) {
166 $data["url"] = html_entity_decode($url, ENT_QUOTES, 'UTF-8');
170 preg_match("/title='(.*?)'/ism", $attributes, $matches);
171 if (x($matches, 1)) {
172 $title = $matches[1];
175 preg_match('/title="(.*?)"/ism', $attributes, $matches);
176 if (x($matches, 1)) {
177 $title = $matches[1];
181 $title = self::convert(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, true);
182 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
183 $title = str_replace(["[", "]"], ["[", "]"], $title);
184 $data["title"] = $title;
188 preg_match("/image='(.*?)'/ism", $attributes, $matches);
189 if (x($matches, 1)) {
190 $image = $matches[1];
193 preg_match('/image="(.*?)"/ism', $attributes, $matches);
194 if (x($matches, 1)) {
195 $image = $matches[1];
199 $data["image"] = html_entity_decode($image, ENT_QUOTES, 'UTF-8');
203 preg_match("/preview='(.*?)'/ism", $attributes, $matches);
204 if (x($matches, 1)) {
205 $preview = $matches[1];
208 preg_match('/preview="(.*?)"/ism', $attributes, $matches);
209 if (x($matches, 1)) {
210 $preview = $matches[1];
213 if ($preview != "") {
214 $data["preview"] = html_entity_decode($preview, ENT_QUOTES, 'UTF-8');
217 $data["description"] = trim($match[3]);
219 $data["after"] = trim($match[4]);
224 public static function getAttachedData($body, $item = [])
228 - type: link, video, photo
236 $has_title = !empty($item['title']);
237 $plink = (!empty($item['plink']) ? $item['plink'] : '');
238 $post = self::getAttachmentData($body);
240 // if nothing is found, it maybe having an image.
241 if (!isset($post["type"])) {
242 // Simplify image codes
243 $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
245 $URLSearchString = "^\[\]";
247 $body = preg_replace("/\[img\=([$URLSearchString]*)\](.*?)\[\/img\]/ism", '[img]$1[/img]', $body);
249 if (preg_match_all("(\[url=([$URLSearchString]*)\]\s*\[img\]([$URLSearchString]*)\[\/img\]\s*\[\/url\])ism", $body, $pictures, PREG_SET_ORDER)) {
250 if ((count($pictures) == 1) && !$has_title) {
251 // Checking, if the link goes to a picture
252 $data = ParseUrl::getSiteinfoCached($pictures[0][1], true);
255 // Sometimes photo posts to the own album are not detected at the start.
256 // So we seem to cannot use the cache for these cases. That's strange.
257 if (($data["type"] != "photo") && strstr($pictures[0][1], "/photos/")) {
258 $data = ParseUrl::getSiteinfo($pictures[0][1], true);
261 if ($data["type"] == "photo") {
262 $post["type"] = "photo";
263 if (isset($data["images"][0])) {
264 $post["image"] = $data["images"][0]["src"];
265 $post["url"] = $data["url"];
267 $post["image"] = $data["url"];
270 $post["preview"] = $pictures[0][2];
271 $post["text"] = str_replace($pictures[0][0], "", $body);
273 $imgdata = Image::getInfoFromURL($pictures[0][1]);
274 if ($imgdata && substr($imgdata["mime"], 0, 6) == "image/") {
275 $post["type"] = "photo";
276 $post["image"] = $pictures[0][1];
277 $post["preview"] = $pictures[0][2];
278 $post["text"] = str_replace($pictures[0][0], "", $body);
281 } elseif (count($pictures) > 0) {
282 $post["type"] = "link";
283 $post["url"] = $plink;
284 $post["image"] = $pictures[0][2];
285 $post["text"] = $body;
287 } elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures, PREG_SET_ORDER)) {
288 if ((count($pictures) == 1) && !$has_title) {
289 $post["type"] = "photo";
290 $post["image"] = $pictures[0][1];
291 $post["text"] = str_replace($pictures[0][0], "", $body);
292 } elseif (count($pictures) > 0) {
293 $post["type"] = "link";
294 $post["url"] = $plink;
295 $post["image"] = $pictures[0][1];
296 $post["text"] = $body;
300 // Test for the external links
301 preg_match_all("(\[url\]([$URLSearchString]*)\[\/url\])ism", $body, $links1, PREG_SET_ORDER);
302 preg_match_all("(\[url\=([$URLSearchString]*)\].*?\[\/url\])ism", $body, $links2, PREG_SET_ORDER);
304 $links = array_merge($links1, $links2);
306 // If there is only a single one, then use it.
307 // This should cover link posts via API.
308 if ((count($links) == 1) && !isset($post["preview"]) && !$has_title) {
309 $post["type"] = "link";
310 $post["text"] = trim($body);
311 $post["url"] = $links[0][1];
314 // Now count the number of external media links
315 preg_match_all("(\[vimeo\](.*?)\[\/vimeo\])ism", $body, $links1, PREG_SET_ORDER);
316 preg_match_all("(\[youtube\\](.*?)\[\/youtube\\])ism", $body, $links2, PREG_SET_ORDER);
317 preg_match_all("(\[video\\](.*?)\[\/video\\])ism", $body, $links3, PREG_SET_ORDER);
318 preg_match_all("(\[audio\\](.*?)\[\/audio\\])ism", $body, $links4, PREG_SET_ORDER);
320 // Add them to the other external links
321 $links = array_merge($links, $links1, $links2, $links3, $links4);
323 // Are there more than one?
324 if (count($links) > 1) {
325 // The post will be the type "text", which means a blog post
326 unset($post["type"]);
327 $post["url"] = $plink;
330 if (!isset($post["type"])) {
331 $post["type"] = "text";
332 $post["text"] = trim($body);
334 } elseif (isset($post["url"]) && ($post["type"] == "video")) {
335 $data = ParseUrl::getSiteinfoCached($post["url"], true);
337 if (isset($data["images"][0])) {
338 $post["image"] = $data["images"][0]["src"];
346 * @brief Converts a BBCode text into plaintext
348 * @param bool $keep_urls Whether to keep URLs in the resulting plaintext
352 public static function toPlaintext($text, $keep_urls = true)
354 $naked_text = preg_replace('/\[(.+?)\]/','', $text);
356 $naked_text = preg_replace('#https?\://[^\s<]+[^\s\.\)]#i', '', $naked_text);
362 private static function proxyUrl($image, $simplehtml = false)
364 // Only send proxied pictures to API and for internal display
365 if (in_array($simplehtml, [false, 2])) {
366 return proxy_url($image);
372 public static function scaleExternalImages($srctext, $include_link = true, $scale_replace = false)
374 // Suppress "view full size"
375 if (intval(Config::get('system', 'no_view_full_size'))) {
376 $include_link = false;
379 // Picture addresses can contain special characters
380 $s = htmlspecialchars_decode($srctext);
383 $c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism', $s, $matches, PREG_SET_ORDER);
385 foreach ($matches as $mtch) {
386 logger('scale_external_image: ' . $mtch[1]);
388 $hostname = str_replace('www.', '', substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3));
389 if (stristr($mtch[1], $hostname)) {
393 // $scale_replace, if passed, is an array of two elements. The
394 // first is the name of the full-size image. The second is the
395 // name of a remote, scaled-down version of the full size image.
396 // This allows Friendica to display the smaller remote image if
397 // one exists, while still linking to the full-size image
398 if ($scale_replace) {
399 $scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
403 $i = Network::fetchUrl($scaled);
408 // guess mimetype from headers or filename
409 $type = Image::guessType($mtch[1], true);
412 $Image = new Image($i, $type);
413 if ($Image->isValid()) {
414 $orig_width = $Image->getWidth();
415 $orig_height = $Image->getHeight();
417 if ($orig_width > 640 || $orig_height > 640) {
418 $Image->scaleDown(640);
419 $new_width = $Image->getWidth();
420 $new_height = $Image->getHeight();
421 logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
424 '[img=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/img]'
425 . "\n" . (($include_link)
426 ? '[url=' . $mtch[1] . ']' . L10n::t('view full size') . '[/url]' . "\n"
430 logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
437 // replace the special char encoding
438 $s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
443 * The purpose of this function is to apply system message length limits to
444 * imported messages without including any embedded photos in the length
446 * @brief Truncates imported message body string length to max_import_size
447 * @param string $body
450 public static function limitBodySize($body)
452 $maxlen = get_max_import_size();
454 // If the length of the body, including the embedded images, is smaller
455 // than the maximum, then don't waste time looking for the images
456 if ($maxlen && (strlen($body) > $maxlen)) {
458 logger('the total body length exceeds the limit', LOGGER_DEBUG);
464 $img_start = strpos($orig_body, '[img');
465 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
466 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
467 while (($img_st_close !== false) && ($img_end !== false)) {
469 $img_st_close++; // make it point to AFTER the closing bracket
470 $img_end += $img_start;
471 $img_end += strlen('[/img]');
473 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
474 // This is an embedded image
476 if (($textlen + $img_start) > $maxlen) {
477 if ($textlen < $maxlen) {
478 logger('the limit happens before an embedded image', LOGGER_DEBUG);
479 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
483 $new_body = $new_body . substr($orig_body, 0, $img_start);
484 $textlen += $img_start;
487 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
490 if (($textlen + $img_end) > $maxlen) {
491 if ($textlen < $maxlen) {
492 logger('the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
493 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
497 $new_body = $new_body . substr($orig_body, 0, $img_end);
498 $textlen += $img_end;
501 $orig_body = substr($orig_body, $img_end);
503 if ($orig_body === false) {
504 // in case the body ends on a closing image tag
508 $img_start = strpos($orig_body, '[img');
509 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
510 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
513 if (($textlen + strlen($orig_body)) > $maxlen) {
514 if ($textlen < $maxlen) {
515 logger('the limit happens after the end of the last image', LOGGER_DEBUG);
516 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
519 logger('the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
520 $new_body = $new_body . $orig_body;
530 * Processes [attachment] tags
532 * Note: Can produce a [bookmark] tag in the returned string
534 * @brief Processes [attachment] tags
535 * @param string $return
536 * @param bool|int $simplehtml
537 * @param bool $tryoembed
540 private static function convertAttachment($return, $simplehtml = false, $tryoembed = true)
542 $data = self::getAttachmentData($return);
547 if (isset($data["title"])) {
548 $data["title"] = strip_tags($data["title"]);
549 $data["title"] = str_replace(["http://", "https://"], "", $data["title"]);
552 if (((strpos($data["text"], "[img=") !== false) || (strpos($data["text"], "[img]") !== false) || Config::get('system', 'always_show_preview')) && ($data["image"] != "")) {
553 $data["preview"] = $data["image"];
558 if ($simplehtml == 7) {
559 $return = self::convertUrlForOStatus($data["url"]);
560 } elseif (($simplehtml != 4) && ($simplehtml != 0)) {
561 $return = sprintf('<a href="%s" target="_blank">%s</a><br>', $data["url"], $data["title"]);
564 if ($tryoembed && OEmbed::isAllowedURL($data['url'])) {
565 $return = OEmbed::getHTML($data['url'], $data['title']);
567 throw new Exception('OEmbed is disabled for this attachment.');
569 } catch (Exception $e) {
570 if ($simplehtml != 4) {
571 $return = sprintf('<div class="type-%s">', $data["type"]);
574 if ($data["image"] != "") {
575 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], self::proxyUrl($data["image"], $simplehtml), $data["title"]);
576 } elseif ($data["preview"] != "") {
577 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], self::proxyUrl($data["preview"], $simplehtml), $data["title"]);
580 if (($data["type"] == "photo") && ($data["url"] != "") && ($data["image"] != "")) {
581 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $data["url"], self::proxyUrl($data["image"], $simplehtml), $data["title"]);
583 $return .= sprintf('<h4><a href="%s">%s</a></h4>', $data['url'], $data['title']);
586 if ($data["description"] != "" && $data["description"] != $data["title"]) {
587 // Sanitize the HTML by converting it to BBCode
588 $bbcode = HTML::toBBCode($data["description"]);
589 $return .= sprintf('<blockquote>%s</blockquote>', trim(self::convert($bbcode)));
591 if ($data["type"] == "link") {
592 $return .= sprintf('<sup><a href="%s">%s</a></sup>', $data['url'], parse_url($data['url'], PHP_URL_HOST));
595 if ($simplehtml != 4) {
601 return trim($data["text"] . ' ' . $return . ' ' . $data["after"]);
604 public static function removeShareInformation($Text, $plaintext = false, $nolink = false)
606 $data = self::getAttachmentData($Text);
611 return $data["text"] . $data["after"];
614 $title = htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false);
615 $text = htmlentities($data["text"], ENT_QUOTES, 'UTF-8', false);
616 if ($plaintext || (($title != "") && strstr($text, $title))) {
617 $data["title"] = $data["url"];
618 } elseif (($text != "") && strstr($title, $text)) {
619 $data["text"] = $data["title"];
620 $data["title"] = $data["url"];
623 if (($data["text"] == "") && ($data["title"] != "") && ($data["url"] == "")) {
624 return $data["title"] . $data["after"];
627 // If the link already is included in the post, don't add it again
628 if (($data["url"] != "") && strpos($data["text"], $data["url"])) {
629 return $data["text"] . $data["after"];
632 $text = $data["text"];
634 if (($data["url"] != "") && ($data["title"] != "")) {
635 $text .= "\n[url=" . $data["url"] . "]" . $data["title"] . "[/url]";
636 } elseif (($data["url"] != "")) {
637 $text .= "\n[url]" . $data["url"] . "[/url]";
640 return $text . "\n" . $data["after"];
644 * Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
646 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
647 * @param array $match Array with the matching values
648 * @return string reformatted link including HTML codes
650 private static function convertUrlForOStatusCallback($match)
654 if (isset($match[2]) && ($match[1] != $match[2])) {
658 $parts = parse_url($url);
659 if (!isset($parts['scheme'])) {
663 return self::convertUrlForOStatus($url);
667 * @brief Converts [url] BBCodes in a format that looks fine on OStatus systems.
668 * @param string $url URL that is about to be reformatted
669 * @return string reformatted link including HTML codes
671 private static function convertUrlForOStatus($url)
673 $parts = parse_url($url);
674 $scheme = $parts['scheme'] . '://';
675 $styled_url = str_replace($scheme, '', $url);
677 if (strlen($styled_url) > 30) {
678 $styled_url = substr($styled_url, 0, 30) . "…";
681 $html = '<a href="%s" target="_blank">%s</a>';
683 return sprintf($html, $url, $styled_url);
687 * [noparse][i]italic[/i][/noparse] turns into
688 * [noparse][ i ]italic[ /i ][/noparse],
689 * to hide them from parser.
691 private static function escapeNoparseCallback($match)
693 $whole_match = $match[0];
694 $captured = $match[1];
695 $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
696 $new_str = str_replace($captured, $spacefied, $whole_match);
701 * The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
702 * now turns back and the [noparse] tags are trimed
703 * returning [i]italic[/i]
705 private static function unescapeNoparseCallback($match)
707 $captured = $match[1];
708 $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
713 * Returns the bracket character positions of a set of opening and closing BBCode tags, optionally skipping first
716 * @param string $text Text to search
717 * @param string $name Tag name
718 * @param int $occurrences Number of first occurrences to skip
719 * @return boolean|array
721 public static function getTagPosition($text, $name, $occurrences = 0)
723 if ($occurrences < 0) {
728 for ($i = 0; $i <= $occurrences; $i++) {
729 if ($start_open !== false) {
730 $start_open = strpos($text, '[' . $name, $start_open + 1); // allow [name= type tags
734 if ($start_open === false) {
738 $start_equal = strpos($text, '=', $start_open);
739 $start_close = strpos($text, ']', $start_open);
741 if ($start_close === false) {
747 $end_open = strpos($text, '[/' . $name . ']', $start_close);
749 if ($end_open === false) {
755 'open' => $start_open,
756 'close' => $start_close
760 'close' => $end_open + strlen('[/' . $name . ']')
764 if ($start_equal !== false) {
765 $res['start']['equal'] = $start_equal + 1;
772 * Performs a preg_replace within the boundaries of all named BBCode tags in a text
774 * @param type $pattern Preg pattern string
775 * @param type $replace Preg replace string
776 * @param type $name BBCode tag name
777 * @param type $text Text to search
780 public static function pregReplaceInTag($pattern, $replace, $name, $text)
783 $pos = self::getTagPosition($text, $name, $occurrences);
784 while ($pos !== false && $occurrences++ < 1000) {
785 $start = substr($text, 0, $pos['start']['open']);
786 $subject = substr($text, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
787 $end = substr($text, $pos['end']['close']);
788 if ($end === false) {
792 $subject = preg_replace($pattern, $replace, $subject);
793 $text = $start . $subject . $end;
795 $pos = self::getTagPosition($text, $name, $occurrences);
801 private static function extractImagesFromItemBody($body)
808 $img_start = strpos($orig_body, '[img');
809 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
810 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
811 while (($img_st_close !== false) && ($img_end !== false)) {
812 $img_st_close++; // make it point to AFTER the closing bracket
813 $img_end += $img_start;
815 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
816 // This is an embedded image
817 $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
818 $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
822 $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
825 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
827 if ($orig_body === false) {
828 // in case the body ends on a closing image tag
832 $img_start = strpos($orig_body, '[img');
833 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
834 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
837 $new_body = $new_body . $orig_body;
839 return ['body' => $new_body, 'images' => $saved_image];
842 private static function interpolateSavedImagesIntoItemBody($body, array $images)
847 foreach ($images as $image) {
848 // We're depending on the property of 'foreach' (specified on the PHP website) that
849 // it loops over the array starting from the first element and going sequentially
850 // to the last element
851 $newbody = str_replace('[$#saved_image' . $cnt . '#$]',
852 '<img src="' . self::proxyUrl($image) . '" alt="' . L10n::t('Image/photo') . '" />', $newbody);
860 * Processes [share] tags
862 * Note: Can produce a [bookmark] tag in the output
864 * @brief Processes [share] tags
865 * @param array $share preg_match_callback result array
866 * @param bool|int $simplehtml
869 private static function convertShare($share, $simplehtml)
871 $attributes = $share[2];
874 preg_match("/author='(.*?)'/ism", $attributes, $matches);
875 if (x($matches, 1)) {
876 $author = html_entity_decode($matches[1], ENT_QUOTES, 'UTF-8');
879 preg_match('/author="(.*?)"/ism', $attributes, $matches);
880 if (x($matches, 1)) {
881 $author = $matches[1];
885 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
886 if (x($matches, 1)) {
887 $profile = $matches[1];
890 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
891 if (x($matches, 1)) {
892 $profile = $matches[1];
896 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
897 if (x($matches, 1)) {
898 $avatar = $matches[1];
901 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
902 if (x($matches, 1)) {
903 $avatar = $matches[1];
907 preg_match("/link='(.*?)'/ism", $attributes, $matches);
908 if (x($matches, 1)) {
912 preg_match('/link="(.*?)"/ism', $attributes, $matches);
913 if (x($matches, 1)) {
919 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
920 if (x($matches, 1)) {
921 $posted = $matches[1];
924 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
925 if (x($matches, 1)) {
926 $posted = $matches[1];
929 // We only call this so that a previously unknown contact can be added.
930 // This is important for the function "Model\Contact::getDetailsByURL()".
931 // This function then can fetch an entry from the contact table.
932 Contact::getIdForURL($profile, 0, true);
934 $data = Contact::getDetailsByURL($profile);
936 if (x($data, "name") && x($data, "addr")) {
937 $userid_compact = $data["name"] . " (" . $data["addr"] . ")";
939 $userid_compact = Protocol::getAddrFromProfileUrl($profile, $author);
942 if (x($data, "addr")) {
943 $userid = $data["addr"];
945 $userid = Protocol::formatMention($profile, $author);
948 if (x($data, "name")) {
949 $author = $data["name"];
952 if (x($data, "micro")) {
953 $avatar = $data["micro"];
956 $preshare = trim($share[1]);
957 if ($preshare != "") {
958 $preshare .= "<br />";
961 switch ($simplehtml) {
963 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' <a href="' . $profile . '">' . $userid . "</a>: <br />»" . $share[3] . "«";
966 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
969 $headline = '<b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $userid . ':</b><br />';
971 $text = trim($share[1]);
977 if (stripos(normalise_link($link), 'http://twitter.com/') === 0) {
978 $text .= '<br /><a href="' . $link . '">' . $link . '</a>';
980 $text .= $headline . '<blockquote>' . trim($share[3]) . "</blockquote><br />";
983 $text .= '<br /><a href="' . $link . '">[l]</a>';
989 $headline = '<br /><b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
990 $headline .= L10n::t('<a href="%1$s" target="_blank">%2$s</a> %3$s', $link, $userid, $posted);
991 $headline .= ":</b><br />";
993 $text = trim($share[1]);
999 $text .= $headline . '<blockquote class="shared_content">' . trim($share[3]) . "</blockquote><br />";
1003 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
1006 $text = $preshare . ">> @" . $userid_compact . ": <br />" . $share[3];
1008 case 7: // statusnet/GNU Social
1009 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . " @" . $userid_compact . ": " . $share[3];
1012 $text = $preshare . "RT @" . $userid_compact . ": " . $share[3];
1014 case 9: // Google+/Facebook
1015 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
1018 $text .= "<br /><br />" . $link;
1022 // Transforms quoted tweets in rich attachments to avoid nested tweets
1023 if (stripos(normalise_link($link), 'http://twitter.com/') === 0 && OEmbed::isAllowedURL($link)) {
1025 $oembed = OEmbed::getHTML($link, $preshare);
1026 } catch (Exception $e) {
1027 $oembed = sprintf('[bookmark=%s]%s[/bookmark]', $link, $preshare);
1030 $text = $preshare . $oembed;
1032 $text = trim($share[1]) . "\n";
1034 $avatar = proxy_url($avatar, false, PROXY_SIZE_THUMB);
1036 $tpl = get_markup_template('shared_content.tpl');
1037 $text .= replace_macros($tpl, [
1038 '$profile' => $profile,
1039 '$avatar' => $avatar,
1040 '$author' => $author,
1042 '$posted' => $posted,
1043 '$content' => trim($share[3])
1052 private static function removePictureLinksCallback($match)
1054 $text = Cache::get($match[1]);
1056 if (is_null($text)) {
1057 $a = self::getApp();
1059 $stamp1 = microtime(true);
1061 $ch = @curl_init($match[1]);
1062 @curl_setopt($ch, CURLOPT_NOBODY, true);
1063 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
1064 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
1066 $curl_info = @curl_getinfo($ch);
1068 $a->save_timestamp($stamp1, "network");
1070 if (substr($curl_info["content_type"], 0, 6) == "image/") {
1071 $text = "[url=" . $match[1] . "]" . $match[1] . "[/url]";
1073 $text = "[url=" . $match[2] . "]" . $match[2] . "[/url]";
1075 // if its not a picture then look if its a page that contains a picture link
1076 $body = Network::fetchUrl($match[1]);
1078 $doc = new DOMDocument();
1079 @$doc->loadHTML($body);
1080 $xpath = new DOMXPath($doc);
1081 $list = $xpath->query("//meta[@name]");
1082 foreach ($list as $node) {
1085 if ($node->attributes->length) {
1086 foreach ($node->attributes as $attribute) {
1087 $attr[$attribute->name] = $attribute->value;
1091 if (strtolower($attr["name"]) == "twitter:image") {
1092 $text = "[url=" . $attr["content"] . "]" . $attr["content"] . "[/url]";
1096 Cache::set($match[1], $text);
1102 private static function expandLinksCallback($match)
1104 if (($match[3] == "") || ($match[2] == $match[3]) || stristr($match[2], $match[3])) {
1105 return ($match[1] . "[url]" . $match[2] . "[/url]");
1107 return ($match[1] . $match[3] . " [url]" . $match[2] . "[/url]");
1111 private static function cleanPictureLinksCallback($match)
1113 $text = Cache::get($match[1]);
1115 if (is_null($text)) {
1116 $a = self::getApp();
1118 $stamp1 = microtime(true);
1120 $ch = @curl_init($match[1]);
1121 @curl_setopt($ch, CURLOPT_NOBODY, true);
1122 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
1123 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
1125 $curl_info = @curl_getinfo($ch);
1127 $a->save_timestamp($stamp1, "network");
1129 // if its a link to a picture then embed this picture
1130 if (substr($curl_info["content_type"], 0, 6) == "image/") {
1131 $text = "[img]" . $match[1] . "[/img]";
1133 $text = "[img]" . $match[2] . "[/img]";
1135 // if its not a picture then look if its a page that contains a picture link
1136 $body = Network::fetchUrl($match[1]);
1138 $doc = new DOMDocument();
1139 @$doc->loadHTML($body);
1140 $xpath = new DOMXPath($doc);
1141 $list = $xpath->query("//meta[@name]");
1142 foreach ($list as $node) {
1144 if ($node->attributes->length) {
1145 foreach ($node->attributes as $attribute) {
1146 $attr[$attribute->name] = $attribute->value;
1150 if (strtolower($attr["name"]) == "twitter:image") {
1151 $text = "[img]" . $attr["content"] . "[/img]";
1155 Cache::set($match[1], $text);
1161 public static function cleanPictureLinks($text)
1163 $return = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'self::cleanPictureLinksCallback', $text);
1167 private static function textHighlightCallback($match)
1169 // Fallback in case the language doesn't exist
1170 $return = '[code]' . $match[2] . '[/code]';
1172 if (in_array(strtolower($match[1]),
1173 ['php', 'css', 'mysql', 'sql', 'abap', 'diff', 'html', 'perl', 'ruby',
1174 'vbscript', 'avrc', 'dtd', 'java', 'xml', 'cpp', 'python', 'javascript', 'js', 'sh', 'bash'])
1176 $return = text_highlight($match[2], strtolower($match[1]));
1183 * @brief Converts a BBCode message to HTML message
1185 * BBcode 2 HTML was written by WAY2WEB.net
1186 * extended to work with Mistpark/Friendica - Mike Macgirvin
1188 * Simple HTML values meaning:
1189 * - 0: Friendica display
1191 * - 2: Used for Facebook, Google+, Windows Phone push, Friendica API
1192 * - 3: Used before converting to Markdown in bb2diaspora.php
1193 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
1195 * - 6: Used for Appnet
1196 * - 7: Used for dfrn, OStatus
1197 * - 8: Used for WP backlink text setting
1199 * @param string $text
1200 * @param bool $try_oembed
1201 * @param int $simple_html
1202 * @param bool $for_plaintext
1205 public static function convert($text, $try_oembed = true, $simple_html = false, $for_plaintext = false)
1207 $a = self::getApp();
1210 * preg_match_callback function to replace potential Oembed tags with Oembed content
1212 * $match[0] = [tag]$url[/tag] or [tag=$url]$title[/tag]
1214 * $match[2] = $title or absent
1216 $try_oembed_callback = function ($match)
1219 $title = defaults($match, 2, null);
1222 $return = OEmbed::getHTML($url, $title);
1223 } catch (Exception $ex) {
1224 $return = $match[0];
1230 // Hide all [noparse] contained bbtags by spacefying them
1231 // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
1233 $text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'self::escapeNoparseCallback', $text);
1234 $text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'self::escapeNoparseCallback', $text);
1235 $text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'self::escapeNoparseCallback', $text);
1237 // Remove the abstract element. It is a non visible element.
1238 $text = self::stripAbstract($text);
1240 // Move all spaces out of the tags
1241 $text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $text);
1242 $text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $text);
1244 // Extract the private images which use data urls since preg has issues with
1245 // large data sizes. Stash them away while we do bbcode conversion, and then put them back
1246 // in after we've done all the regex matching. We cannot use any preg functions to do this.
1248 $extracted = self::extractImagesFromItemBody($text);
1249 $text = $extracted['body'];
1250 $saved_image = $extracted['images'];
1252 // If we find any event code, turn it into an event.
1253 // After we're finished processing the bbcode we'll
1254 // replace all of the event code with a reformatted version.
1256 $ev = Event::fromBBCode($text);
1258 // Replace any html brackets with HTML Entities to prevent executing HTML or script
1259 // Don't use strip_tags here because it breaks [url] search by replacing & with amp
1261 $text = str_replace("<", "<", $text);
1262 $text = str_replace(">", ">", $text);
1264 // remove some newlines before the general conversion
1265 $text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "[share$1]$2[/share]", $text);
1266 $text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism", "[quote$1]$2[/quote]", $text);
1268 $text = preg_replace("/\n\[code\]/ism", "[code]", $text);
1269 $text = preg_replace("/\[\/code\]\n/ism", "[/code]", $text);
1271 // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
1273 $text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "\n[share$1$2]$3[/share]", $text);
1276 // Check for [code] text here, before the linefeeds are messed with.
1277 // The highlighter will unescape and re-escape the content.
1278 if (strpos($text, '[code=') !== false) {
1279 $text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", 'self::textHighlightCallback', $text);
1281 // Convert new line chars to html <br /> tags
1283 // nlbr seems to be hopelessly messed up
1284 // $Text = nl2br($Text);
1286 // We'll emulate it.
1288 $text = trim($text);
1289 $text = str_replace("\r\n", "\n", $text);
1291 // removing multiplicated newlines
1292 if (Config::get("system", "remove_multiplicated_lines")) {
1293 $search = ["\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n",
1294 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n"];
1295 $replace = ["\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
1296 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]"];
1299 $text = str_replace($search, $replace, $text);
1300 } while ($oldtext != $text);
1303 // Set up the parameters for a URL search string
1304 $URLSearchString = "^\[\]";
1305 // Set up the parameters for a MAIL search string
1306 $MAILSearchString = $URLSearchString;
1308 // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
1309 if (!$for_plaintext) {
1310 // Autolink feature (thanks to http://code.seebz.net/p/autolink-php/)
1311 // Currently disabled, since the function is too greedy
1312 // $autolink_regex = "`([^\]\=\"']|^)(https?\://[^\s<]+[^\s<\.\)])`ism";
1313 $autolink_regex = "/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism";
1314 $text = preg_replace($autolink_regex, '$1[url]$2[/url]', $text);
1315 if ($simple_html == 7) {
1316 $text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism", 'self::convertUrlForOStatusCallback', $text);
1317 $text = preg_replace_callback("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", 'self::convertUrlForOStatusCallback', $text);
1320 $text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism", " $1 ", $text);
1321 $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'self::removePictureLinksCallback', $text);
1325 // Handle attached links or videos
1326 $text = self::convertAttachment($text, $simple_html, $try_oembed);
1328 $text = str_replace(["\r","\n"], ['<br />', '<br />'], $text);
1330 // Remove all hashtag addresses
1331 if ((!$try_oembed || $simple_html) && !in_array($simple_html, [3, 7])) {
1332 $text = preg_replace("/([#@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $text);
1333 } elseif ($simple_html == 3) {
1334 // The ! is converted to @ since Diaspora only understands the @
1335 $text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1336 '@<a href="$2">$3</a>',
1338 } elseif ($simple_html == 7) {
1339 $text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1340 '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
1342 } elseif (!$simple_html) {
1343 $text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1344 '$1<a href="$2" class="userinfo mention" title="$3">$3</a>',
1348 // Bookmarks in red - will be converted to bookmarks in friendica
1349 $text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $text);
1350 $text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $text);
1351 $text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
1352 "[bookmark=$1]$2[/bookmark]", $text);
1354 if (in_array($simple_html, [2, 6, 7, 8, 9])) {
1355 $text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", "self::expandLinksCallback", $text);
1356 //$Text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $Text);
1357 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]',$text);
1360 if ($simple_html == 5) {
1361 $text = preg_replace("/[^#@!]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $text);
1364 // Perform URL Search
1366 $text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $try_oembed_callback, $text);
1369 if ($simple_html == 5) {
1370 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url]$1[/url]', $text);
1372 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $text);
1375 // Handle Diaspora posts
1376 $text = preg_replace_callback(
1377 "&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
1379 return "[url=" . System::baseUrl() . "/display/" . $match[1] . "]" . $match[2] . "[/url]";
1383 // Server independent link to posts and comments
1384 // See issue: https://github.com/diaspora/diaspora_federation/issues/75
1385 $expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
1386 $text = preg_replace($expression, System::baseUrl()."/display/$1", $text);
1388 $text = preg_replace("/([#])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1389 '$1<a href="' . System::baseUrl() . '/search?tag=$3" class="tag" title="$3">$3</a>', $text);
1391 $text = preg_replace("/\[url\=([$URLSearchString]*)\]#(.*?)\[\/url\]/ism",
1392 '#<a href="' . System::baseUrl() . '/search?tag=$2" class="tag" title="$2">$2</a>', $text);
1394 $text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $text);
1395 $text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $text);
1396 //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1398 // Red compatibility, though the link can't be authenticated on Friendica
1399 $text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $text);
1402 // we may need to restrict this further if it picks up too many strays
1403 // link acct:user@host to a webfinger profile redirector
1405 $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="' . System::baseUrl() . '/acctlink?addr=$1@$2" target="extlink">acct:$1@$2</a>', $text);
1407 // Perform MAIL Search
1408 $text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $text);
1409 $text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $text);
1411 // leave open the posibility of [map=something]
1412 // this is replaced in prepare_body() which has knowledge of the item location
1414 if (strpos($text, '[/map]') !== false) {
1415 $text = preg_replace_callback(
1416 "/\[map\](.*?)\[\/map\]/ism",
1417 function ($match) use ($simple_html) {
1418 return str_replace($match[0], '<p class="map">' . Map::byLocation($match[1], $simple_html) . '</p>', $match[0]);
1423 if (strpos($text, '[map=') !== false) {
1424 $text = preg_replace_callback(
1425 "/\[map=(.*?)\]/ism",
1426 function ($match) use ($simple_html) {
1427 return str_replace($match[0], '<p class="map">' . Map::byCoordinates(str_replace('/', ' ', $match[1]), $simple_html) . '</p>', $match[0]);
1432 if (strpos($text, '[map]') !== false) {
1433 $text = preg_replace("/\[map\]/", '<p class="map"></p>', $text);
1436 // Check for headers
1437 $text = preg_replace("(\[h1\](.*?)\[\/h1\])ism", '<h1>$1</h1>', $text);
1438 $text = preg_replace("(\[h2\](.*?)\[\/h2\])ism", '<h2>$1</h2>', $text);
1439 $text = preg_replace("(\[h3\](.*?)\[\/h3\])ism", '<h3>$1</h3>', $text);
1440 $text = preg_replace("(\[h4\](.*?)\[\/h4\])ism", '<h4>$1</h4>', $text);
1441 $text = preg_replace("(\[h5\](.*?)\[\/h5\])ism", '<h5>$1</h5>', $text);
1442 $text = preg_replace("(\[h6\](.*?)\[\/h6\])ism", '<h6>$1</h6>', $text);
1444 // Check for paragraph
1445 $text = preg_replace("(\[p\](.*?)\[\/p\])ism", '<p>$1</p>', $text);
1447 // Check for bold text
1448 $text = preg_replace("(\[b\](.*?)\[\/b\])ism", '<strong>$1</strong>', $text);
1450 // Check for Italics text
1451 $text = preg_replace("(\[i\](.*?)\[\/i\])ism", '<em>$1</em>', $text);
1453 // Check for Underline text
1454 $text = preg_replace("(\[u\](.*?)\[\/u\])ism", '<u>$1</u>', $text);
1456 // Check for strike-through text
1457 $text = preg_replace("(\[s\](.*?)\[\/s\])ism", '<s>$1</s>', $text);
1459 // Check for over-line text
1460 $text = preg_replace("(\[o\](.*?)\[\/o\])ism", '<span class="overline">$1</span>', $text);
1462 // Check for colored text
1463 $text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism", "<span style=\"color: $1;\">$2</span>", $text);
1465 // Check for sized text
1466 // [size=50] --> font-size: 50px (with the unit).
1467 $text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1px; line-height: initial;\">$2</span>", $text);
1468 $text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1; line-height: initial;\">$2</span>", $text);
1470 // Check for centered text
1471 $text = preg_replace("(\[center\](.*?)\[\/center\])ism", "<div style=\"text-align:center;\">$1</div>", $text);
1473 // Check for list text
1474 $text = str_replace("[*]", "<li>", $text);
1476 // Check for style sheet commands
1477 $text = preg_replace_callback(
1478 "(\[style=(.*?)\](.*?)\[\/style\])ism",
1480 return "<span style=\"" . HTML::sanitizeCSS($match[1]) . ";\">" . $match[2] . "</span>";
1485 // Check for CSS classes
1486 $text = preg_replace_callback(
1487 "(\[class=(.*?)\](.*?)\[\/class\])ism",
1489 return "<span class=\"" . HTML::sanitizeCSS($match[1]) . "\">" . $match[2] . "</span>";
1494 // handle nested lists
1497 while ((((strpos($text, "[/list]") !== false) && (strpos($text, "[list") !== false)) ||
1498 ((strpos($text, "[/ol]") !== false) && (strpos($text, "[ol]") !== false)) ||
1499 ((strpos($text, "[/ul]") !== false) && (strpos($text, "[ul]") !== false)) ||
1500 ((strpos($text, "[/li]") !== false) && (strpos($text, "[li]") !== false))) && (++$endlessloop < 20)) {
1501 $text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $text);
1502 $text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>', $text);
1503 $text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $text);
1504 $text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism", '<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>', $text);
1505 $text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>', $text);
1506 $text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>', $text);
1507 $text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>', $text);
1508 $text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $text);
1509 $text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $text);
1510 $text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>', $text);
1513 $text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $text);
1514 $text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>', $text);
1515 $text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>', $text);
1516 $text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>', $text);
1518 $text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>', $text);
1519 $text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>', $text);
1521 $text = str_replace('[hr]', '<hr />', $text);
1523 // This is actually executed in prepare_body()
1525 $text = str_replace('[nosmile]', '', $text);
1527 // Check for font change text
1528 $text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "<span style=\"font-family: $1;\">$2</span>", $text);
1530 // Declare the format for [code] layout
1532 $CodeLayout = '<code>$1</code>';
1533 // Check for [code] text
1534 $text = preg_replace("/\[code\](.*?)\[\/code\]/ism", "$CodeLayout", $text);
1536 // Declare the format for [spoiler] layout
1537 $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1539 // Check for [spoiler] text
1540 // handle nested quotes
1542 while ((strpos($text, "[/spoiler]") !== false) && (strpos($text, "[spoiler]") !== false) && (++$endlessloop < 20)) {
1543 $text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism", "$SpoilerLayout", $text);
1546 // Check for [spoiler=Author] text
1548 $t_wrote = L10n::t('$1 wrote:');
1550 // handle nested quotes
1552 while ((strpos($text, "[/spoiler]")!== false) && (strpos($text, "[spoiler=") !== false) && (++$endlessloop < 20)) {
1553 $text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1554 "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1558 // Declare the format for [quote] layout
1559 $QuoteLayout = '<blockquote>$1</blockquote>';
1561 // Check for [quote] text
1562 // handle nested quotes
1564 while ((strpos($text, "[/quote]") !== false) && (strpos($text, "[quote]") !== false) && (++$endlessloop < 20)) {
1565 $text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $text);
1568 // Check for [quote=Author] text
1570 $t_wrote = L10n::t('$1 wrote:');
1572 // handle nested quotes
1574 while ((strpos($text, "[/quote]")!== false) && (strpos($text, "[quote=") !== false) && (++$endlessloop < 20)) {
1575 $text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1576 "<p><strong class=".'"author"'.">" . $t_wrote . "</strong></p><blockquote>$2</blockquote>",
1581 // [img=widthxheight]image source[/img]
1582 $text = preg_replace_callback(
1583 "/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism",
1584 function ($matches) use ($simple_html) {
1585 if (strpos($matches[3], "data:image/") === 0) {
1589 $matches[3] = self::proxyUrl($matches[3], $simple_html);
1590 return "[img=" . $matches[1] . "x" . $matches[2] . "]" . $matches[3] . "[/img]";
1595 $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $text);
1596 $text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $text);
1598 $text = preg_replace_callback("/\[img\=([$URLSearchString]*)\](.*?)\[\/img\]/ism",
1599 function ($matches) use ($simple_html) {
1600 $matches[1] = self::proxyUrl($matches[1], $simple_html);
1601 $matches[2] = htmlspecialchars($matches[2], ENT_COMPAT);
1602 return '<img src="' . $matches[1] . '" alt="' . $matches[2] . '">';
1607 // [img]pathtoimage[/img]
1608 $text = preg_replace_callback(
1609 "/\[img\](.*?)\[\/img\]/ism",
1610 function ($matches) use ($simple_html) {
1611 if (strpos($matches[1], "data:image/") === 0) {
1615 $matches[1] = self::proxyUrl($matches[1], $simple_html);
1616 return "[img]" . $matches[1] . "[/img]";
1621 $text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . L10n::t('Image/photo') . '" />', $text);
1622 $text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . L10n::t('Image/photo') . '" />', $text);
1625 $text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1626 function ($match) use ($simple_html) {
1627 return self::convertShare($match, $simple_html);
1630 $text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . L10n::t('Encrypted content') . '" title="' . L10n::t('Encrypted content') . '" /><br />', $text);
1631 $text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . L10n::t('Encrypted content') . '" title="' . '$1' . ' ' . L10n::t('Encrypted content') . '" /><br />', $text);
1632 //$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . L10n::t('Encrypted content') . '" title="' . '$1' . ' ' . L10n::t('Encrypted content') . '" /><br />', $Text);
1636 $text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4).*?)\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '" loop="true"><a href="$1">$1</a></video>', $text);
1637 $text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3).*?)\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $text);
1639 $text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", $try_oembed_callback, $text);
1640 $text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", $try_oembed_callback, $text);
1642 $text = preg_replace("/\[video\](.*?)\[\/video\]/ism",
1643 '<a href="$1" target="_blank">$1</a>', $text);
1644 $text = preg_replace("/\[audio\](.*?)\[\/audio\]/ism",
1645 '<a href="$1" target="_blank">$1</a>', $text);
1648 // html5 video and audio
1652 $text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $text);
1654 $text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $text);
1657 // Youtube extensions
1659 $text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1660 $text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1661 $text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1664 $text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1665 $text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1666 $text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1669 $text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="https://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $text);
1671 $text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1672 '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $text);
1676 $text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism", $try_oembed_callback, $text);
1677 $text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism", $try_oembed_callback, $text);
1680 $text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $text);
1681 $text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $text);
1684 $text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="https://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $text);
1686 $text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1687 '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $text);
1691 $text = OEmbed::BBCode2HTML($text);
1693 // Avoid triple linefeeds through oembed
1694 $text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $text);
1696 // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1697 // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1698 // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1699 // start which is always required). Allow desc with a missing summary for compatibility.
1701 if ((x($ev, 'desc') || x($ev, 'summary')) && x($ev, 'start')) {
1702 $sub = Event::getHTML($ev, $simple_html);
1704 $text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism", '', $text);
1705 $text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism", '', $text);
1706 $text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $text);
1707 $text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $text);
1708 $text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $text);
1709 $text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism", '', $text);
1710 $text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism", '', $text);
1713 // Replace non graphical smilies for external posts
1715 $text = Smilies::replace($text, false, true);
1718 // Replace inline code blocks
1719 $text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism",
1720 function ($match) use ($simple_html) {
1721 $return = '<key>' . $match[1] . '</key>';
1722 // Use <code> for Diaspora inline code blocks
1723 if ($simple_html === 3) {
1724 $return = '<code>' . $match[1] . '</code>';
1730 // Unhide all [noparse] contained bbtags unspacefying them
1731 // and triming the [noparse] tag.
1733 $text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'self::unescapeNoparseCallback', $text);
1734 $text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'self::unescapeNoparseCallback', $text);
1735 $text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'self::unescapeNoparseCallback', $text);
1737 /// @todo What is the meaning of these lines?
1738 $text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/', '&$1;', $text);
1739 $text = preg_replace('/\&\#039\;/', '\'', $text);
1741 // Currently deactivated, it made problems with " inside of alt texts.
1742 //$text = preg_replace('/\"\;/', '"', $text);
1744 // fix any escaped ampersands that may have been converted into links
1745 $text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&\;(.*?)\>/ism', '<$1$2=$3&$4>', $text);
1747 // sanitizes src attributes (http and redir URLs for displaying in a web page, cid used for inline images in emails)
1748 $allowed_src_protocols = ['http', 'redir', 'cid'];
1749 $text = preg_replace('#<([^>]*?)(src)="(?!' . implode('|', $allowed_src_protocols) . ')(.*?)"(.*?)>#ism',
1750 '<$1$2=""$4 data-original-src="$3" class="invalid-src" title="' . L10n::t('Invalid source protocol') . '">', $text);
1752 // sanitize href attributes (only whitelisted protocols URLs)
1753 // default value for backward compatibility
1754 $allowed_link_protocols = Config::get('system', 'allowed_link_protocols', ['ftp', 'mailto', 'gopher', 'cid']);
1756 // Always allowed protocol even if config isn't set or not including it
1757 $allowed_link_protocols[] = 'http';
1758 $allowed_link_protocols[] = 'redir/';
1760 $regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
1761 $text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 data-original-href="$3" class="invalid-href" title="' . L10n::t('Invalid link protocol') . '">', $text);
1764 $text = self::interpolateSavedImagesIntoItemBody($text, $saved_image);
1767 // Clean up the HTML by loading and saving the HTML with the DOM.
1768 // Bad structured html can break a whole page.
1769 // For performance reasons do it only with ativated item cache or at export.
1770 if (!$try_oembed || (get_itemcachepath() != "")) {
1771 $doc = new DOMDocument();
1772 $doc->preserveWhiteSpace = false;
1774 $text = mb_convert_encoding($text, 'HTML-ENTITIES', "UTF-8");
1776 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1777 $encoding = '<?xml encoding="UTF-8">';
1778 @$doc->loadHTML($encoding.$doctype."<html><body>".$text."</body></html>");
1779 $doc->encoding = 'UTF-8';
1780 $text = $doc->saveHTML();
1781 $text = str_replace(["<html><body>", "</body></html>", $doctype, $encoding], ["", "", "", ""], $text);
1783 $text = str_replace('<br></li>', '</li>', $text);
1785 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1788 // Clean up some useless linebreaks in lists
1789 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1790 //$Text = str_replace('</ul><br />', '</ul>', $Text);
1791 //$Text = str_replace('</li><br />', '</li>', $Text);
1792 //$Text = str_replace('<br /><li>', '<li>', $Text);
1793 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1795 Addon::callHooks('bbcode', $text);
1801 * @brief Strips the "abstract" tag from the provided text
1803 * @param string $text The text with BBCode
1804 * @return string The same text - but without "abstract" element
1806 public static function stripAbstract($text)
1808 $text = preg_replace("/[\s|\n]*\[abstract\].*?\[\/abstract\][\s|\n]*/ism", '', $text);
1809 $text = preg_replace("/[\s|\n]*\[abstract=.*?\].*?\[\/abstract][\s|\n]*/ism", '', $text);
1815 * @brief Returns the value of the "abstract" element
1817 * @param string $text The text that maybe contains the element
1818 * @param string $addon The addon for which the abstract is meant for
1819 * @return string The abstract
1821 public static function getAbstract($text, $addon = "")
1825 $addon = strtolower($addon);
1827 if (preg_match_all("/\[abstract=(.*?)\](.*?)\[\/abstract\]/ism", $text, $results, PREG_SET_ORDER)) {
1828 foreach ($results AS $result) {
1829 $abstracts[strtolower($result[1])] = $result[2];
1833 if (isset($abstracts[$addon])) {
1834 $abstract = $abstracts[$addon];
1837 if ($abstract == "" && preg_match("/\[abstract\](.*?)\[\/abstract\]/ism", $text, $result)) {
1838 $abstract = $result[1];
1845 * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
1847 * @param array $match Matching values for the callback
1848 * @return string Replaced mention
1850 private static function bbCodeMention2DiasporaCallback($match)
1852 $contact = Contact::getDetailsByURL($match[3]);
1854 if (empty($contact['addr'])) {
1855 $contact = Probe::uri($match[3]);
1858 if (empty($contact['addr'])) {
1862 $mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
1867 * @brief Converts a BBCode text into Markdown
1869 * This function converts a BBCode item body to be sent to Markdown-enabled
1870 * systems like Diaspora and Libertree
1872 * @param string $text
1873 * @param bool $for_diaspora Diaspora requires more changes than Libertree
1876 public static function toMarkdown($text, $for_diaspora = true)
1878 $a = self::getApp();
1880 $original_text = $text;
1882 // Since Diaspora is creating a summary for links, this function removes them before posting
1883 if ($for_diaspora) {
1884 $text = self::removeShareInformation($text);
1888 * Transform #tags, strip off the [url] and replace spaces with underscore
1890 $url_search_string = "^\[\]";
1891 $text = preg_replace_callback("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/i",
1892 function ($matches) {
1893 return '#' . str_replace(' ', '_', $matches[2]);
1898 // Converting images with size parameters to simple images. Markdown doesn't know it.
1899 $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $text);
1901 // Extracting multi-line code blocks before the whitespace processing/code highlighter in self::convert()
1904 $text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
1905 function ($matches) use (&$codeblocks) {
1906 $return = $matches[0];
1907 if (strpos($matches[2], "\n") !== false) {
1908 $return = '#codeblock-' . count($codeblocks) . '#';
1910 $prefix = '````' . $matches[1] . PHP_EOL;
1911 $codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
1918 // Convert it to HTML - don't try oembed
1919 if ($for_diaspora) {
1920 $text = self::convert($text, false, 3);
1922 // Add all tags that maybe were removed
1923 if (preg_match_all("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/ism", $original_text, $tags)) {
1925 foreach ($tags[2] as $tag) {
1926 $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
1927 if (!strpos(html_entity_decode($text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
1928 $tagline .= '#' . $tag . ' ';
1931 $text = $text . " " . $tagline;
1934 $text = self::convert($text, false, 4);
1937 // mask some special HTML chars from conversation to markdown
1938 $text = str_replace(['<', '>', '&'], ['&_lt_;', '&_gt_;', '&_amp_;'], $text);
1940 // If a link is followed by a quote then there should be a newline before it
1941 // Maybe we should make this newline at every time before a quote.
1942 $text = str_replace(["</a><blockquote>"], ["</a><br><blockquote>"], $text);
1944 $stamp1 = microtime(true);
1946 // Now convert HTML to Markdown
1947 $converter = new HtmlConverter();
1948 $text = $converter->convert($text);
1950 // unmask the special chars back to HTML
1951 $text = str_replace(['&\_lt\_;', '&\_gt\_;', '&\_amp\_;'], ['<', '>', '&'], $text);
1953 $a->save_timestamp($stamp1, "parser");
1955 // Libertree has a problem with escaped hashtags.
1956 $text = str_replace(['\#'], ['#'], $text);
1958 // Remove any leading or trailing whitespace, as this will mess up
1959 // the Diaspora signature verification and cause the item to disappear
1960 $text = trim($text);
1962 if ($for_diaspora) {
1963 $url_search_string = "^\[\]";
1964 $text = preg_replace_callback(
1965 "/([@]\[(.*?)\])\(([$url_search_string]*?)\)/ism",
1966 ['self', 'bbCodeMention2DiasporaCallback'],
1971 // Restore code blocks
1972 $text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
1973 function ($matches) use ($codeblocks) {
1975 if (isset($codeblocks[intval($matches[1])])) {
1976 $return = $codeblocks[$matches[1]];
1983 Addon::callHooks('bb2diaspora', $text);