array('open' => $start_open, 'close' => $start_close),
'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
if( $start_equal !== false)
$res['start']['equal'] = $start_equal + 1;
return $res;
}
function bb_tag_preg_replace($pattern, $replace, $name, $s) {
$string = $s;
$occurance = 1;
$pos = get_bb_tag_pos($string, $name, $occurance);
while($pos !== false && $occurance < 1000) {
$start = substr($string, 0, $pos['start']['open']);
$subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
$end = substr($string, $pos['end']['close']);
if($end === false)
$end = '';
$subject = preg_replace($pattern, $replace, $subject);
$string = $start . $subject . $end;
$occurance++;
$pos = get_bb_tag_pos($string, $name, $occurance);
}
return $string;
}
function tryoembed($match) {
$url = ((count($match) == 2) ? $match[1] : $match[2]);
$o = oembed_fetch_url($url);
if ($o['type'] == 'error')
return $match[0];
$html = oembed_format_object($o);
return $html;
}
function nakedoembed($match) {
$url = ((count($match) == 2) ? $match[1] : $match[2]);
$strip_url = strip_escaped_zids($url);
// this function no longer performs oembed on naked links
// because they author may have created naked links intentionally.
// Now it just strips zids on naked links.
return str_replace($url,$strip_url,$match[0]);
}
function tryzrlaudio($match) {
$link = $match[1];
$zrl = is_matrix_url($link);
if($zrl)
$link = zid($link);
return '' . $link . ' ';
}
function tryzrlvideo($match) {
$link = $match[1];
$zrl = is_matrix_url($link);
if($zrl)
$link = zid($link);
$static_link = get_config('system','video_default_poster','images/video_poster.jpg');
if($static_link)
$poster = 'poster="' . escape_tags($static_link) . '" ' ;
return '' . $link . ' ';
}
function videowithopts($match) {
$link = $match[2];
$zrl = is_matrix_url($link);
if($zrl)
$link = zid($link);
$attributes = $match[1];
$poster = "";
preg_match("/poster='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$poster = 'poster="' . (($zrl) ? zid($matches[1]) : $matches[1]) . '"';
preg_match("/poster=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($matches[1] != "")
$poster = 'poster="' . (($zrl) ? zid($matches[1]) : $matches[1]) . '"';
return '' . $link . ' ';
}
// [noparse][i]italic[/i][/noparse] turns into
// [noparse][ i ]italic[ /i ][/noparse],
// to hide them from parser.
function bb_spacefy($st) {
$whole_match = $st[0];
$captured = $st[1];
$spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
$new_str = str_replace($captured, $spacefied, $whole_match);
return $new_str;
}
// The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
// now turns back and the [noparse] tags are trimmed
// returning [i]italic[/i]
function bb_unspacefy_and_trim($st) {
//$whole_match = $st[0];
$captured = $st[1];
$unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
return $unspacefied;
}
function bb_extract_images($body) {
$saved_image = array();
$orig_body = $body;
$new_body = '';
$cnt = 0;
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
while(($img_st_close !== false) && ($img_end !== false)) {
$img_st_close++; // make it point to AFTER the closing bracket
$img_end += $img_start;
if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
// This is an embedded image
$saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
$new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
$cnt++;
}
else
$new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
$orig_body = substr($orig_body, $img_end + strlen('[/img]'));
if($orig_body === false) // in case the body ends on a closing image tag
$orig_body = '';
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
}
$new_body = $new_body . $orig_body;
return array('body' => $new_body, 'images' => $saved_image);
}
function bb_replace_images($body, $images) {
$newbody = $body;
$cnt = 0;
if(! $images)
return $newbody;
foreach($images as $image) {
// We're depending on the property of 'foreach' (specified on the PHP website) that
// it loops over the array starting from the first element and going sequentially
// to the last element
$newbody = str_replace('[$#saved_image' . $cnt . '#$]', ' ', $newbody);
$cnt++;
}
// logger('replace_images: ' . $newbody);
return $newbody;
}
/**
* @brief Parses crypt BBCode.
*
* @param array $match
* @return string HTML code
*/
function bb_parse_crypt($match) {
$matches = [];
$attributes = $match[1];
$algorithm = "";
preg_match("/alg='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$algorithm = $matches[1];
preg_match("/alg=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($matches[1] != "")
$algorithm = $matches[1];
$hint = "";
preg_match("/hint='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$hint = $matches[1];
preg_match("/hint=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($matches[1] != "")
$hint = $matches[1];
$x = random_string();
$f = 'hz_decrypt';
$onclick = 'onclick="' . $f . '(\'' . $algorithm . '\',\'' . $hint . '\',\'' . $match[2] . '\',\'#' . $x . '\');"';
$label = t('Encrypted content');
$Text = '
' . $match[2] . '
';
return($text);
}
function rpost_callback($match) {
if ($match[2]) {
return str_replace($match[0], Libzot::get_rpost_path(App::get_observer()) . '&title=' . urlencode($match[2]) . '&body=' . urlencode($match[3]), $match[0]);
} else {
return str_replace($match[0], Libzot::get_rpost_path(App::get_observer()) . '&body=' . urlencode($match[3]), $match[0]);
}
}
function bb_map_coords($match) {
// the extra space in the following line is intentional
return str_replace($match[0],'' . generate_map(str_replace('/',' ',$match[1])) . '
', $match[0]);
}
function bb_map_location($match) {
// the extra space in the following line is intentional
return str_replace($match[0],'' . generate_named_map($match[1]) . '
', $match[0]);
}
function bb_opentag($match) {
$openclose = (($match[2]) ? '' . $openclose . '
' . $text . '
';
}
function bb_spoilertag($match) {
$openclose = (($match[2]) ? '' . $openclose . '
' . $match[2] . '
' . t('View article') . '
' . t('View summary') . '
' . $match[3] . '
';
}
function bb_definitionList($match) {
// $match[1] is the markup styles for the "terms" in the definition list.
// $match[2] is the content between the [dl]...[/dl] tags
$classes = '';
if (stripos($match[1], "b") !== false) $classes .= 'dl-terms-bold ';
if (stripos($match[1], "i") !== false) $classes .= 'dl-terms-italic ';
if (stripos($match[1], "u") !== false) $classes .= 'dl-terms-underline ';
if (stripos($match[1], "l") !== false) $classes .= 'dl-terms-large ';
if (stripos($match[1], "m") !== false) $classes .= 'dl-terms-monospace ';
if (stripos($match[1], "h") !== false) $classes .= 'dl-horizontal '; // dl-horizontal is already provided by bootstrap
if (strlen($classes) === 0) $classes = "dl-terms-plain";
// The bbcode transformation will be:
// [*=term-text] description-text => ", $str);
return '';
}
/**
* @brief Sanitize style properties from BBCode to HTML.
*
* @param array $input
* @return string A HTML span tag with the styles.
*/
function bb_sanitize_style($input) {
// whitelist array: property => limits (0 = no limitation)
$w = array(
// color properties
"color" => 0,
"background-color" => 0,
// box properties
"padding" => array("px"=>100, "%"=>0, "em"=>2, "ex"=>2, "mm"=>0, "cm"=>0, "in"=>0, "pt"=>0, "pc"=>0),
"margin" => array("px"=>100, "%"=>0, "em"=>2, "ex"=>2, "mm"=>0, "cm"=>0, "in"=>0, "pt"=>0, "pc"=>0),
"border" => array("px"=>100, "%"=>0, "em"=>2, "ex"=>2, "mm"=>0, "cm"=>0, "in"=>0, "pt"=>0, "pc"=>0),
"float" => 0,
"clear" => 0,
// text properties
"text-decoration" => 0,
);
$css = array();
$css_string = $input[1];
$a = explode(';', $css_string);
foreach($a as $parts){
list($k, $v) = explode(':', $parts);
$css[ trim($k) ] = trim($v);
}
// sanitize properties
$b = array_merge(array_diff_key($css, $w), array_diff_key($w, $css));
$css = array_diff_key($css, $b);
$css_string_san = '';
foreach ($css as $key => $value) {
if ($w[$key] != null) {
foreach ($w[$key] as $limit_key => $limit_value) {
//sanitize values
if (strpos($value, $limit_key)) {
$value = preg_replace_callback(
"/(\S.*?)$limit_key/ism",
function($match) use($limit_value, $limit_key) {
if ($match[1] > $limit_value) {
return $limit_value . $limit_key;
} else {
return $match[1] . $limit_key;
}
},
$value
);
}
}
}
$css_string_san .= $key . ":" . $value ."; ";
}
return '' . $input[2] . ' ';
}
function oblanguage_callback($matches) {
if(strlen($matches[1]) == 2) {
$compare = strtolower(substr(\App::$language,0,2));
}
else {
$compare = strtolower(\App::$language);
}
if($compare === strtolower($matches[1]))
return $matches[2];
return '';
}
function oblanguage_necallback($matches) {
if(strlen($matches[1]) == 2) {
$compare = strtolower(substr(\App::$language,0,2));
}
else {
$compare = strtolower(\App::$language);
}
if($compare !== strtolower($matches[1]))
return $matches[2];
return '';
}
function bb_observer($Text) {
$observer = App::get_observer();
if ((strpos($Text,'[/observer]') !== false) || (strpos($Text,'[/rpost]') !== false)) {
if ($observer) {
$Text = preg_replace("/\[observer\=1\](.*?)\[\/observer\]/ism", '$1', $Text);
$Text = preg_replace("/\[observer\=0\].*?\[\/observer\]/ism", '', $Text);
$Text = preg_replace_callback("/\[rpost(=(.*?))?\](.*?)\[\/rpost\]/ism", 'rpost_callback', $Text);
} else {
$Text = preg_replace("/\[observer\=1\].*?\[\/observer\]/ism", '', $Text);
$Text = preg_replace("/\[observer\=0\](.*?)\[\/observer\]/ism", '$1', $Text);
$Text = preg_replace("/\[rpost(=.*?)?\](.*?)\[\/rpost\]/ism", '', $Text);
}
}
$channel = App::get_channel();
if (strpos($Text,'[/channel]') !== false) {
if ($channel) {
$Text = preg_replace("/\[channel\=1\](.*?)\[\/channel\]/ism", '$1', $Text);
$Text = preg_replace("/\[channel\=0\].*?\[\/channel\]/ism", '', $Text);
} else {
$Text = preg_replace("/\[channel\=1\].*?\[\/channel\]/ism", '', $Text);
$Text = preg_replace("/\[channel\=0\](.*?)\[\/channel\]/ism", '$1', $Text);
}
}
return $Text;
}
function bb_imgoptions($match) {
// $Text = preg_replace_callback("/\[([zi])mg([ \=])(.*?)\](.*?)\[\/[zi]mg\]/ism",'bb_imgoptions',$Text);
// alt text cannot contain ']'
// [img|zmg=wwwxhhh float=left|right alt=alt text]url[/img|zmg]
// [img|zmg width="nnn" height="nnn" alt="xyz" style="float: abc;"]url[/img|zmg]
$local_match = null;
$width = 0;
$float = false;
$alt = false;
$style = EMPTY_STR;
$attributes = $match[3];
$x = preg_match("/alt='(.*?)'/ism", $attributes, $matches);
if ($x) {
$alt = $matches[1];
}
$x = preg_match("/alt=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($x) {
$alt = $matches[1];
}
$x = preg_match("/width=([0-9]*)/ism", $attributes, $matches);
if ($x) {
$width = $matches[1];
}
$x = preg_match("/width='(.*?)'/ism", $attributes, $matches);
if ($x) {
$width = $matches[1];
}
$x = preg_match("/width=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($x) {
$width = $matches[1];
}
$x = preg_match("/height=([0-9]*)/ism", $attributes, $matches);
if ($x) {
$height = $matches[1];
}
$x = preg_match("/height='(.*?)'/ism", $attributes, $matches);
if ($x) {
$height = $matches[1];
}
$x = preg_match("/height=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($x) {
$height = $matches[1];
}
$x = preg_match("/style='(.*?)'/ism", $attributes, $matches);
if ($x) {
$style = $matches[1];
}
$x = preg_match("/style=\"\;(.*?)\"\;/ism", $attributes, $matches);
if ($x) {
$style = $matches[1];
}
// legacy img options
if ($match[2] === '=') {
// pull out (optional) legacy size declarations first
if (preg_match("/([0-9]*)x([0-9]*)/ism",$match[3],$local_match)) {
$width = intval($local_match[1]);
}
$match[3] = substr($match[3],strpos($match[3],' '));
}
// then (optional) legacy float specifiers
if ($n = strpos($match[3],'float=left') !== false) {
$float = 'left';
$match[3] = substr($match[3],$n + 10);
}
if ($n = strpos($match[3],'float=right') !== false) {
$float = 'right';
$match[3] = substr($match[3],$n + 11);
}
// finally alt text which extends to the close of the tag
if ((! $alt) && ($n = strpos($match[3],'alt=') !== false)) {
$alt = substr($match[3],$n + 4);
}
// now assemble the resulting img tag from these components
$output = ' ';
return $output;
}
function bb_code_preprotect($matches) {
return '[code' . $matches[1] . ']' . 'b64.^8e%.' . base64_encode($matches[2]) . '.b64.$8e%' . '[/code]';
}
function bb_code_preunprotect($s) {
return preg_replace_callback('|b64\.\^8e\%\.(.*?)\.b64\.\$8e\%|ism','bb_code_unprotect_sub',$s);
}
function bb_code_protect($s) {
return 'b64.^9e%.' . base64_encode($s) . '.b64.$9e%';
}
function bb_code_unprotect($s) {
return preg_replace_callback('|b64\.\^9e\%\.(.*?)\.b64\.\$9e\%|ism','bb_code_unprotect_sub',$s);
}
function bb_code_unprotect_sub($match) {
return base64_decode($match[1]);
}
function bb_colorbox($match) {
if (strpos($match[1],'zrl')) {
$url = zid($match[2]);
}
else {
$url = $match[2];
}
return ' ';
}
function bb_code($match) {
if(strpos($match[0], " "))
return '' . bb_code_protect(trim($match[1])) . '
';
else
return '' . bb_code_protect(trim($match[1])) . '
';
}
function bb_code_options($match) {
if(strpos($match[0], " ")) {
$class = "";
$pre = true;
} else {
$class = "inline-code";
$pre = false;
}
if(strpos($match[1], 'nowrap')) {
$style = "overflow-x: auto; white-space: pre;";
} else {
$style = "";
}
if($pre) {
return '' . bb_code_protect(trim($match[2])) . '
';
} else {
return '' . bb_code_protect(trim($match[2])) . '
';
}
}
function md_header($content) {
$headingLevel = \strlen($content[1]);
$header = trim($content[2]);
// Build anker without space, numbers.
$anker = preg_replace('#[^a-z?!]#', '', strtolower($header));
return sprintf('%s ', $headingLevel, $anker, $header, $headingLevel);
}
function md_codeblock($content) {
$language = !empty($content[3]) ? filter_var($content[3], FILTER_SANITIZE_STRING) : '';
$class = !empty($language) ? sprintf(' class="%s language-%s"', $language, $language) : '';
// Build one block so that we not create each paragraph.
$content = str_replace("\n", ' ', $content[4]);
return sprintf('%s
', $class, bb_code_protect($content));
}
function md_italic($content) {
return '' . $content[1] . $content[3] . ' ';
}
function md_image($content) {
$url = filter_var($content[1], FILTER_SANITIZE_URL);
$alt = '';
if (isset($content[2])) {
$content[2] = str_replace('"', '', $content[2]);
$alt = ' alt="' . filter_var($content[2], FILTER_SANITIZE_STRING) . '"';
}
return sprintf(' ', $url, $alt);
}
function md_topheader($matches) {
// Terrible hack to check we haven't found an empty list item.
if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1])) {
return $matches[0];
}
$level = $matches[2][0] == '=' ? 1 : 2;
return "" . $matches[1] . " " . "\n";
}
function bb_fixtable_lf($match) {
// remove extraneous whitespace between table element tags since newlines will all
// be converted to ' ' and turn your neatly crafted tables into a whole lot of
// empty space.
$x = preg_replace("/\]\s+\[/",'][',$match[1]);
return '[table]' . $x . '[/table]';
}
function bbtopoll($s) {
$pl = [];
$match = '';
if(! preg_match("/\[poll=(.*?)\](.*?)\[\/poll\]/ism",$s,$match)) {
return null;
}
$pl['poll_id'] = $match[1];
$pl['poll_question'] = $match[2];
$match = '';
if(preg_match_all("/\[poll\-answer=(.*?)\](.*?)\[\/poll\-answer\]/is",$s,$match,PREG_SET_ORDER)) {
$pl['answer'] = [];
foreach($match as $m) {
$ans = [ 'answer_id' => $m[1], 'answer_text' => $m[2] ];
$pl['answer'][] = $ans;
}
}
return $pl;
}
function parseIdentityAwareHTML($Text) {
// Hide all [noparse] contained bbtags by spacefying them
if (strpos($Text,'[noparse]') !== false) {
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
}
if (strpos($Text,'[nobb]') !== false) {
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
}
if (strpos($Text,'[pre]') !== false) {
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
}
// process [observer] tags before we do anything else because we might
// be stripping away stuff that then doesn't need to be worked on anymore
$observer = App::get_observer();
if ((strpos($Text,'[/observer]') !== false) || (strpos($Text,'[/rpost]') !== false)) {
$Text = preg_replace_callback("/\[observer\.language\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_callback', $Text);
$Text = preg_replace_callback("/\[observer\.language\!\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_necallback', $Text);
if ($observer) {
$Text = preg_replace("/\[observer\=1\](.*?)\[\/observer\]/ism", '$1', $Text);
$Text = preg_replace("/\[observer\=0\].*?\[\/observer\]/ism", '', $Text);
$Text = preg_replace_callback("/\[rpost(=(.*?))?\](.*?)\[\/rpost\]/ism", 'rpost_callback', $Text);
} else {
$Text = preg_replace("/\[observer\=1\].*?\[\/observer\]/ism", '', $Text);
$Text = preg_replace("/\[observer\=0\](.*?)\[\/observer\]/ism", '$1', $Text);
$Text = preg_replace("/\[rpost(=.*?)?\](.*?)\[\/rpost\]/ism", '', $Text);
}
}
// replace [observer.baseurl]
if ($observer) {
$s1 = '';
$s2 = ' ';
$obsBaseURL = $observer['xchan_connurl'];
$obsBaseURL = preg_replace("/\/poco\/.*$/", '', $obsBaseURL);
$Text = str_replace('[observer.baseurl]', $obsBaseURL, $Text);
$Text = str_replace('[observer.url]',$observer['xchan_url'], $Text);
$Text = str_replace('[observer.name]',$s1 . $observer['xchan_name'] . $s2, $Text);
$Text = str_replace('[observer.address]',$s1 . $observer['xchan_addr'] . $s2, $Text);
$Text = str_replace('[observer.webname]', substr($observer['xchan_addr'],0,strpos($observer['xchan_addr'],'@')), $Text);
$Text = str_replace('[observer.photo]',$s1 . '[zmg]'.$observer['xchan_photo_l'].'[/zmg]' . $s2, $Text);
$Text = str_replace('[observer.baseurl/]', $obsBaseURL, $Text);
$Text = str_replace('[observer.url/]',$observer['xchan_url'], $Text);
$Text = str_replace('[observer.name/]',$s1 . $observer['xchan_name'] . $s2, $Text);
$Text = str_replace('[observer.address/]',$s1 . $observer['xchan_addr'] . $s2, $Text);
$Text = str_replace('[observer.webname/]', substr($observer['xchan_addr'],0,strpos($observer['xchan_addr'],'@')), $Text);
$Text = str_replace('[observer.photo/]',$s1 . '[zmg]'.$observer['xchan_photo_l'].'[/zmg]' . $s2, $Text);
} else {
$Text = str_replace('[observer.baseurl]', '', $Text);
$Text = str_replace('[observer.url]','', $Text);
$Text = str_replace('[observer.name]','', $Text);
$Text = str_replace('[observer.address]','', $Text);
$Text = str_replace('[observer.webname]','',$Text);
$Text = str_replace('[observer.photo]','', $Text);
$Text = str_replace('[observer.baseurl/]', '', $Text);
$Text = str_replace('[observer.url/]','', $Text);
$Text = str_replace('[observer.name/]','', $Text);
$Text = str_replace('[observer.address/]','', $Text);
$Text = str_replace('[observer.webname/]','',$Text);
$Text = str_replace('[observer.photo/]','', $Text);
}
$Text = str_replace(array('[baseurl]','[baseurl/]','[sitename]','[sitename/]'),array(z_root(),z_root(), get_config('system','sitename'),get_config('system','sitename')),$Text);
// Unhide all [noparse] contained bbtags unspacefying them
// and triming the [noparse] tag.
if (strpos($Text,'[noparse]') !== false) {
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim', $Text);
}
if (strpos($Text,'[nobb]') !== false) {
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim', $Text);
}
if (strpos($Text,'[pre]') !== false) {
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim', $Text);
}
return $Text;
}
function bbcode($Text, $options = []) {
if(! is_array($options)) {
$options = [];
}
if(is_array($Text)) {
btlogger('Text is array: ' . print_r($Text,true));
}
$cache = ((array_key_exists('cache',$options)) ? $options['cache'] : false);
$newwin = ((array_key_exists('newwin',$options)) ? $options['newwin'] : true);
$export = ((array_key_exists('export',$options)) ? $options['export'] : false);
$activitypub = ((array_key_exists('activitypub',$options)) ? $options['activitypub'] : false);
$censored = ((array_key_exists('censored',$options)) ? $options['censored'] : false);
$plain = ((array_key_exists('plain',$options)) ? $options['plain'] : false);
if ($activitypub) {
$export = true;
}
$target = (($newwin) ? ' target="_blank" ' : '');
call_hooks('bbcode_filter', $Text);
// Hide all [noparse] contained bbtags by spacefying them
if (strpos($Text,'[noparse]') !== false) {
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
}
if (strpos($Text,'[nobb]') !== false) {
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
}
if (strpos($Text,'[pre]') !== false) {
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
}
$Text = bb_format_attachdata($Text);
// If we find any event code, turn it into an event.
// After we're finished processing the bbcode we'll
// replace all of the event code with a reformatted version.
$ev = bbtoevent($Text);
// and the same with polls
$pl = bbtopoll($Text);
// process [observer] tags before we do anything else because we might
// be stripping away stuff that then doesn't need to be worked on anymore
if($cache || $export)
$observer = false;
else
$observer = App::get_observer();
if ((strpos($Text,'[/observer]') !== false) || (strpos($Text,'[/rpost]') !== false)) {
$Text = preg_replace_callback("/\[observer\.language\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_callback', $Text);
$Text = preg_replace_callback("/\[observer\.language\!\=(.*?)\](.*?)\[\/observer\]/ism",'oblanguage_necallback', $Text);
if ($observer) {
$Text = preg_replace("/\[observer\=1\](.*?)\[\/observer\]/ism", '$1', $Text);
$Text = preg_replace("/\[observer\=0\].*?\[\/observer\]/ism", '', $Text);
$Text = preg_replace_callback("/\[rpost(=(.*?))?\](.*?)\[\/rpost\]/ism", 'rpost_callback', $Text);
} else {
$Text = preg_replace("/\[observer\=1\].*?\[\/observer\]/ism", '', $Text);
$Text = preg_replace("/\[observer\=0\](.*?)\[\/observer\]/ism", '$1', $Text);
$Text = preg_replace("/\[rpost(=.*?)?\](.*?)\[\/rpost\]/ism", '', $Text);
}
}
if($cache || $export)
$channel = false;
else
$channel = App::get_channel();
if (strpos($Text,'[/channel]') !== false) {
if ($channel) {
$Text = preg_replace("/\[channel\=1\](.*?)\[\/channel\]/ism", '$1', $Text);
$Text = preg_replace("/\[channel\=0\].*?\[\/channel\]/ism", '', $Text);
} else {
$Text = preg_replace("/\[channel\=1\].*?\[\/channel\]/ism", '', $Text);
$Text = preg_replace("/\[channel\=0\](.*?)\[\/channel\]/ism", '$1', $Text);
}
}
$x = bb_extract_images($Text);
$Text = $x['body'];
$saved_images = $x['images'];
if(! $export)
$Text = str_replace(array('[baseurl]','[baseurl/]','[sitename]','[sitename/]'),array(z_root(),z_root(), get_config('system','sitename'),get_config('system','sitename')),$Text);
// Replace any html brackets with HTML Entities to prevent executing HTML or script
// Don't use strip_tags here because it breaks [url] search by replacing & with amp
$Text = str_replace("<", "<", $Text);
$Text = str_replace(">", ">", $Text);
// Check for [code] text here, before the linefeeds are messed with.
// The highlighter will unescape and re-escape the content.
if (strpos($Text,'[code=') !== false) {
$Text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", function ($match) use ($options) {
return bb_code_protect(text_highlight($match[2],strtolower($match[1]),$options));
}, $Text);
}
$Text = preg_replace_callback("/\[table\](.*?)\[\/table\]/ism",'bb_fixtable_lf',$Text);
$Text = str_replace("\r\n", "\n", $Text);
// save code blocks from being interpreted as markdown
$Text = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism", 'bb_code_preprotect', $Text);
// Perform some markdown conversions before translating linefeeds so as to keep the regexes manageable
$Text = preg_replace('#(?$2 ',$Text);
$Text = preg_replace('#(?$2',$Text);
// The character check is so we don't mistake underscore in the middle of a code variable as an italic trigger.
$Text = preg_replace_callback('#(^| )(?$3
',$Text);
$Text = preg_replace('#(?$1
', $Text);
$Text = preg_replace('#<\/code><\/pre>\n| .*?>)#',' ',$Text);
// blockquotes
$Text = preg_replace('#^(>)+ +(.*?)$#m','$2 ',$Text);
$Text = preg_replace('#\n#',"\n", $Text);
// links
$Text = preg_replace_callback('#!\[[^\]]*\]\((.*?)(?=\"|\))(\".*\")?\)(?!`)#','md_image',$Text);
$Text = preg_replace('#\[([^\[]+)\]\((?:javascript:)?([^\)]+)\)(?!`)#','$1 ',$Text);
// unordered lists
$Text = preg_replace('#^ *[*\-+] +(.*?)$#m','',$Text);
// order lists
$Text = preg_replace('#^\d+[\.] +(.*?)$#m','$1 ',$Text);
$Text = preg_replace('/\s*<\/(ol|ul)>\n+<\1>\s*/',"\n",$Text);
$Text = bb_code_preunprotect($Text);
// Convert new line chars to html tags
$Text = str_replace(array("\r", "\n"), array(' ', ' '), $Text);
$Text = str_replace(array("\t", " "), array(" ", " "), $Text);
// Check for [code] text
if (strpos($Text,'[code]') !== false) {
$Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism", 'bb_code', $Text);
}
// Check for [code options] text
if (strpos($Text,'[code ') !== false) {
$Text = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism", 'bb_code_options', $Text);
}
// Set up the parameters for a URL search string
$URLSearchString = "^\[\]";
// Set up the parameters for a MAIL search string
$MAILSearchString = $URLSearchString;
// replace [observer.baseurl]
if ($observer) {
$s1 = '';
$s2 = ' ';
$obsBaseURL = $observer['xchan_connurl'];
$obsBaseURL = preg_replace("/\/poco\/.*$/", '', $obsBaseURL);
$Text = str_replace('[observer.baseurl]', $obsBaseURL, $Text);
$Text = str_replace('[observer.url]',$observer['xchan_url'], $Text);
$Text = str_replace('[observer.name]',$s1 . $observer['xchan_name'] . $s2, $Text);
$Text = str_replace('[observer.address]',$s1 . $observer['xchan_addr'] . $s2, $Text);
$Text = str_replace('[observer.webname]', substr($observer['xchan_addr'],0,strpos($observer['xchan_addr'],'@')), $Text);
$Text = str_replace('[observer.photo]',$s1 . '[zmg]'.$observer['xchan_photo_l'].'[/zmg]' . $s2, $Text);
$Text = str_replace('[observer.baseurl/]', $obsBaseURL, $Text);
$Text = str_replace('[observer.url/]',$observer['xchan_url'], $Text);
$Text = str_replace('[observer.name/]',$s1 . $observer['xchan_name'] . $s2, $Text);
$Text = str_replace('[observer.address/]',$s1 . $observer['xchan_addr'] . $s2, $Text);
$Text = str_replace('[observer.webname/]', substr($observer['xchan_addr'],0,strpos($observer['xchan_addr'],'@')), $Text);
$Text = str_replace('[observer.photo/]',$s1 . '[zmg]'.$observer['xchan_photo_l'].'[/zmg]' . $s2, $Text);
} else {
$Text = str_replace('[observer.baseurl]', '', $Text);
$Text = str_replace('[observer.url]','', $Text);
$Text = str_replace('[observer.name]','', $Text);
$Text = str_replace('[observer.address]','', $Text);
$Text = str_replace('[observer.webname]','',$Text);
$Text = str_replace('[observer.photo]','', $Text);
$Text = str_replace('[observer.baseurl/]', '', $Text);
$Text = str_replace('[observer.url/]','', $Text);
$Text = str_replace('[observer.name/]','', $Text);
$Text = str_replace('[observer.address/]','', $Text);
$Text = str_replace('[observer.webname/]','',$Text);
$Text = str_replace('[observer.photo/]','', $Text);
}
// Perform URL Search
$urlchars = '[a-zA-Z0-9\pL\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@\(\)]';
if (strpos($Text,'http') !== false) {
$Text = preg_replace("/([^\]\='".'"'."\;\/])(https?\:\/\/$urlchars+)/ismu", '$1$2 ', $Text);
}
if (strpos($Text,'[/share]') !== false) {
$Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism", 'bb_ShareAttributes', $Text);
}
if (strpos($Text,'[/url]') !== false) {
$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '$1 ', $Text);
$Text = preg_replace("/\@(\!?)\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '@$1$3 ', $Text);
$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$2 ', $Text);
}
if (strpos($Text,'[/zrl]') !== false) {
// render hubzilla bookmarks as normal links
$Text = preg_replace("/\#\^\[zrl\]([$URLSearchString]*)\[\/zrl\]/ism", '$1 ', $Text);
$Text = preg_replace("/\#\^\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '$2 ', $Text);
$Text = preg_replace("/\[zrl\]([$URLSearchString]*)\[\/zrl\]/ism", '$1 ', $Text);
$Text = preg_replace("/\@(\!?)\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '@$1$3 ', $Text);
$Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '$2 ', $Text);
}
// named anchors do not work well in conversational text, as it is often collapsed by a "showmore" script.
// Included here for completeness.
if (strpos($Text,'[/anchor]') !== false) {
$Text = preg_replace("/\[anchor\](.*?)\[\/anchor\]/ism", ' ', $Text);
}
if (strpos($Text,'[/goto]') !== false) {
$Text = preg_replace("/\[goto=(.*?)\](.*?)\[\/goto\]/ism", '$2 ', $Text);
}
// Perform MAIL Search
if (strpos($Text,'[/mail]') !== false) {
$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '$1 ', $Text);
$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '$2 ', $Text);
}
// leave open the posibility of [map=something]
// this is replaced in prepare_body() which has knowledge of the item location
if ($export) {
$Text = str_replace( [ '[map]','[/map]' ], [ '','' ] , $Text);
$Text = preg_replace("/\[map=(.*?)[, ](.*?)\]/ism", 'geo:$1,$2', $Text);
}
else {
if (strpos($Text,'[/map]') !== false) {
$Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
}
if (strpos($Text,'[map=') !== false) {
$Text = preg_replace_callback("/\[map=(.*?)\/\]/ism", 'bb_map_coords', $Text);
$Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
}
if (strpos($Text,'[map]') !== false) {
$Text = preg_replace("/\[map\/\]/", '
', $Text);
$Text = preg_replace("/\[map\]/", '
', $Text);
}
}
// Check for bold text
if (strpos($Text,'[b]') !== false) {
$Text = preg_replace("(\[b\](.*?)\[\/b\])ism", '$1 ', $Text);
}
// Check for Italics text
if (strpos($Text,'[i]') !== false) {
$Text = preg_replace("(\[i\](.*?)\[\/i\])ism", '$1 ', $Text);
}
// Check for Underline text
if (strpos($Text,'[u]') !== false) {
$Text = preg_replace("(\[u\](.*?)\[\/u\])ism", '$1 ', $Text);
}
// Check for strike-through text
if (strpos($Text,'[s]') !== false) {
$Text = preg_replace("(\[s\](.*?)\[\/s\])ism", '$1 ', $Text);
}
// Check for over-line text
if (strpos($Text,'[o]') !== false) {
$Text = preg_replace("(\[o\](.*?)\[\/o\])ism", '$1 ', $Text);
}
if (strpos($Text,'[sup]') !== false) {
$Text = preg_replace("(\[sup\](.*?)\[\/sup\])ism", '$1 ', $Text);
}
if (strpos($Text,'[sub]') !== false) {
$Text = preg_replace("(\[sub\](.*?)\[\/sub\])ism", '$1 ', $Text);
}
// Check for colored text
if (strpos($Text,'[/color]') !== false) {
$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism", "$2 ", $Text);
}
// Check for colored text
if (strpos($Text,'[/hl]') !== false) {
$Text = preg_replace("(\[hl\](.*?)\[\/hl\])ism", "$1 ", $Text);
$Text = preg_replace("(\[hl=(.*?)\](.*?)\[\/hl\])ism", "$2 ", $Text);
}
// Check for sized text
// [size=50] --> font-size: 50px (with the unit).
if (strpos($Text,'[/size]') !== false) {
$Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism", "$2 ", $Text);
$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", "$2 ", $Text);
}
// Check for h1
if (strpos($Text,'[h1]') !== false) {
$Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism",'$1 ',$Text);
$Text = str_replace(' ', '', $Text);
}
// Check for h2
if (strpos($Text,'[h2]') !== false) {
$Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism",'$1 ',$Text);
$Text = str_replace(' ', '', $Text);
}
// Check for h3
if (strpos($Text,'[h3]') !== false) {
$Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism",'$1 ',$Text);
$Text = str_replace(' ', '', $Text);
}
// Check for h4
if (strpos($Text,'[h4]') !== false) {
$Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism",'$1 ',$Text);
$Text = str_replace(' ', '', $Text);
}
// Check for h5
if (strpos($Text,'[h5]') !== false) {
$Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism",'$1 ',$Text);
$Text = str_replace(' ', '', $Text);
}
// Check for h6
if (strpos($Text,'[h6]') !== false) {
$Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism",'$1 ',$Text);
$Text = str_replace(' ', '', $Text);
}
// Check for table of content without params
while(strpos($Text,'[toc]') !== false) {
$toc_id = 'toc-' . random_string(10);
$Text = preg_replace("/\[toc\]/ism", '', $Text, 1);
$Text = preg_replace("/\[toc\/\]/ism", '', $Text, 1);
}
// Check for table of content with params
while(strpos($Text,'[toc') !== false) {
$toc_id = 'toc-' . random_string(10);
$Text = preg_replace("/\[toc([^\]]+?)\/\]/ism", '', $Text, 1);
$Text = preg_replace("/\[toc([^\]]+?)\]/ism", '', $Text, 1);
}
// Check for centered text
if (strpos($Text,'[/center]') !== false) {
$Text = preg_replace("(\[center\](.*?)\[\/center\])ism", "$1
", $Text);
}
// Check for footer
if (strpos($Text,'[/footer]') !== false) {
$Text = preg_replace("(\[footer\](.*?)\[\/footer\])ism", "", $Text);
}
// Check for bdi
if (strpos($Text,'[/bdi]') !== false) {
$Text = preg_replace("(\[bdi\](.*?)\[\/bdi\])ism", "$1 ", $Text);
}
// Check for list text
$Text = preg_replace("/ \[\*\/\]/ism",'[*/]',$Text);
$Text = preg_replace("/ \[\*\]/ism",'[*/]',$Text);
$Text = str_replace("[*/]", "", $Text);
$Text = str_replace("[*]", " ", $Text);
// handle nested lists
$endlessloop = 0;
while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
((strpos($Text, "[/dl]") !== false) && (strpos($Text, "[dl") !== false)) ||
((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
$Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '', $Text);
$Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '', $Text);
$Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '', $Text);
$Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'', $Text);
$Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '', $Text);
$Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '', $Text);
$Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '', $Text);
$Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '', $Text);
$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '', $Text);
$Text = preg_replace("/\[\/li\] \[li\]/ism",'[/li][li]',$Text);
$Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", ' $1 ', $Text);
// [dl] tags have an optional [dl terms="bi"] form where bold/italic/underline/mono/large
// etc. style may be specified for the "terms" in the definition list. The quotation marks
// are also optional. The regex looks intimidating, but breaks down as:
// "[dl" "]" "[/dl]"
// where optional-termStyles are: "terms="
$Text = preg_replace_callback('/\[dl[[:space:]]*(?:terms=(?:"|")?([a-zA-Z]+)(?:"|")?)?\](.*?)\[\/dl\]/ism', 'bb_definitionList', $Text);
}
// Friendica generates this
if (strpos($Text,'[/abstract]') !== false) {
$Text = preg_replace("/\[abstract\](.*?)\[\/abstract\]/ism", '$1 ', $Text);
}
if (strpos($Text,'[checklist]') !== false) {
$Text = preg_replace_callback("/\[checklist\](.*?)\[\/checklist\]/ism", 'bb_checklist', $Text);
}
if (strpos($Text,'[th]') !== false) {
$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '$1 ', $Text);
}
if (strpos($Text,'[td]') !== false) {
$Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '$1 ', $Text);
}
if (strpos($Text,'[tr]') !== false) {
$Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '$1 ', $Text);
}
if (strpos($Text,'[/table]') !== false) {
$Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '', $Text);
$Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '', $Text);
$Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '', $Text);
}
$Text = str_replace('', " \n", $Text);
$Text = str_replace('[hr]', ' ', $Text);
$Text = str_replace('[hr/]', ' ', $Text);
// This is actually executed in prepare_body()
$Text = str_replace('[nosmile]', '', $Text);
$Text = str_replace('[nosmile/]', '', $Text);
// Check for font change text
if (strpos($Text,'[/font]') !== false) {
$Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "$2 ", $Text);
}
if(strpos($Text,'[/summary]') !== false) {
$Text = preg_replace_callback("/^(.*?)\[summary\](.*?)\[\/summary\](.*?)$/ism", 'bb_summary', $Text);
}
// Check for [spoiler] text
$endlessloop = 0;
while ((strpos($Text, "[/spoiler]")!== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20)) {
$Text = preg_replace_callback("/\[spoiler\](.*?)\[\/spoiler\]/ism", 'bb_spoilertag', $Text);
}
// Check for [spoiler=Author] text
$endlessloop = 0;
while ((strpos($Text, "[/spoiler]")!== false) and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20)) {
$Text = preg_replace_callback("/\[spoiler=(.*?)\](.*?)\[\/spoiler\]/ism", 'bb_spoilertag', $Text);
}
// Check for [open] text
$endlessloop = 0;
while ((strpos($Text, "[/open]")!== false) and (strpos($Text, "[open]") !== false) and (++$endlessloop < 20)) {
$Text = preg_replace_callback("/\[open\](.*?)\[\/open\]/ism", 'bb_opentag', $Text);
}
// Check for [open=Title] text
$endlessloop = 0;
while ((strpos($Text, "[/open]")!== false) and (strpos($Text, "[open=") !== false) and (++$endlessloop < 20)) {
$Text = preg_replace_callback("/\[open=(.*?)\](.*?)\[\/open\]/ism", 'bb_opentag', $Text);
}
// Declare the format for [quote] layout
$QuoteLayout = '$1 ';
// Check for [quote] text
// handle nested quotes
$endlessloop = 0;
while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $Text);
// Check for [quote=Author] text
$t_wrote = t('$1 wrote:');
// handle nested quotes
$endlessloop = 0;
while ((strpos($Text, "[/quote]")!== false) and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
$Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
"" . $t_wrote . " $2 ",
$Text);
if ($plain) {
$Text = str_replace([ '',' ' ], [ '“', '”' ], $Text);
}
// Images
// [img]pathtoimage[/img]
if (strpos($Text,'[/img]') !== false) {
$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", ' ', $Text);
// Friendica's modified bbcode img tags
$Text = preg_replace("/\[img=http(.*?)\](.*?)\[\/img\]/ism", ' ', $Text);
}
if (strpos($Text,'[/zmg]') !== false) {
$Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", ' ', $Text);
}
$Text = preg_replace_callback("/\[([zi])mg([ \=])(.*?)\](.*?)\[\/[zi]mg\]/ism",'bb_imgoptions',$Text);
if($censored) {
$Text = separate_img_links($Text);
$Text = preg_replace_callback("/\ /ism","bb_colorbox",$Text);
}
// style (sanitized)
if (strpos($Text,'[/style]') !== false) {
$Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism", "bb_sanitize_style", $Text);
}
// crypt
if (strpos($Text,'[/crypt]') !== false) {
if (! $activitypub) {
$Text = preg_replace_callback("/\[crypt (.*?)\](.*?)\[\/crypt\]/ism", 'bb_parse_crypt', $Text);
}
}
if (strpos($Text,'[/app]') !== false) {
if ($activitypub) {
$Text = preg_replace_callback("/\[app\](.*?)\[\/app\]/ism",'bb_parse_app_ap', $Text);
}
else {
$Text = preg_replace_callback("/\[app\](.*?)\[\/app\]/ism",'bb_parse_app', $Text);
}
}
if(strpos($Text,'[/element]') !== false) {
$Text = preg_replace_callback("/\[element\](.*?)\[\/element\]/ism",'bb_parse_element', $Text);
}
// html5 video and audio
if (strpos($Text,'[/video]') !== false) {
$Text = preg_replace_callback("/\[video (.*?)\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mpeg|mpg|mov))\[\/video\]/ism", 'videowithopts', $Text);
$Text = preg_replace_callback("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mpeg|mpg|mov))\[\/video\]/ism", 'tryzrlvideo', $Text);
}
if (strpos($Text,'[/audio]') !== false) {
$Text = preg_replace_callback("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3|opus|m4a))\[\/audio\]/ism", 'tryzrlaudio', $Text);
}
if (strpos($Text,'[/zvideo]') !== false) {
$Text = preg_replace_callback("/\[zvideo (.*?)\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mpeg|mpg|mov))\[\/zvideo\]/ism", 'videowithopts', $Text);
$Text = preg_replace_callback("/\[zvideo\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mpeg|mpg|mov))\[\/zvideo\]/ism", 'tryzrlvideo', $Text);
}
if (strpos($Text,'[/zaudio]') !== false) {
$Text = preg_replace_callback("/\[zaudio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3|opus|m4a))\[\/zaudio\]/ism", 'tryzrlaudio', $Text);
}
// if video couldn't be embedded, link to it instead.
if (strpos($Text,'[/video]') !== false) {
$Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1 ', $Text);
}
if (strpos($Text,'[/audio]') !== false) {
$Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1 ', $Text);
}
if (strpos($Text,'[/zvideo]') !== false) {
$Text = preg_replace("/\[zvideo\](.*?)\[\/zvideo\]/", '$1 ', $Text);
}
if (strpos($Text,'[/zaudio]') !== false) {
$Text = preg_replace("/\[zaudio\](.*?)\[\/zaudio\]/", '$1 ', $Text);
}
// SVG stuff
if ($activitypub) {
$Text = preg_replace_callback("/\[svg(.*?)\](.*?)\[\/svg\]/ism", 'bb_svg_export', $Text);
}
else {
$Text = preg_replace_callback("/\[svg(.*?)\](.*?)\[\/svg\]/ism", 'bb_svg', $Text);
}
// oembed tag
if(! $export)
$Text = oembed_bbcode2html($Text);
// Avoid triple linefeeds through oembed
$Text = str_replace(" ", " ", $Text);
// If we found an event earlier, strip out all the event code and replace with a reformatted version.
// Replace the event-start section with the entire formatted event. The other bbcode is stripped.
// Summary (e.g. title) is required, earlier revisions only required description (in addition to
// start which is always required). Allow desc with a missing summary for compatibility.
if ((x($ev,'desc') || x($ev,'summary')) && x($ev,'dtstart')) {
$sub = format_event_html($ev);
$sub = str_replace('$',"\0",$sub);
$Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
$Text = preg_replace("/\[event\](.*?)\[\/event\]/ism",'',$Text);
$Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
$Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
$Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
$Text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism",'',$Text);
$Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
$Text = preg_replace("/\[event\-timezone\](.*?)\[\/event\-timezone\]/ism",'',$Text);
$Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
$Text = str_replace("\0",'$',$Text);
}
// Unhide all [noparse] contained bbtags unspacefying them
// and triming the [noparse] tag.
if (strpos($Text,'[noparse]') !== false) {
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim', $Text);
}
if (strpos($Text,'[nobb]') !== false) {
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim', $Text);
}
if (strpos($Text,'[pre]') !== false) {
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim', $Text);
}
// replace escaped links in code= blocks
$Text = str_replace('%eY9-!','http', $Text);
$Text = bb_code_unprotect($Text);
// This lets you use HTML entities in posts - just wrap them in brackets. For instance [©] to display a copyright symbol.
$Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/', '&$1;', $Text);
// fix any escaped ampersands that may have been converted into links
if(strpos($Text,'&') !== false)
$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism", '<$1$2=$3&$4>', $Text);
// This is subtle - it's an XSS filter. It only accepts links with a protocol scheme and where
// the scheme begins with z (zhttp), h (http(s)), f (ftp(s)), g (gemini), m (mailto), t (tel) and named anchors.
// data: urls are allowed if exporting to activitypub which allows inline svg to federate, but not
// to be used for local display
if ($activitypub) {
$Text = preg_replace("/\<(.*?)(src|href)=\"[^dzghfmt#](.*?)\>/ism", '<$1$2="">', $Text);
}
else {
$Text = preg_replace("/\<(.*?)(src|href)=\"[^zhgfmt#](.*?)\>/ism", '<$1$2="">', $Text);
}
$Text = bb_replace_images($Text, $saved_images);
$args = [ 'text' => $Text, 'options' => $options ];
call_hooks('bbcode', $args);
return $args['text'];
}