type == 'error')
return $match[0];
$html = oembed_format_object($o);
return $html;
}
function tryzrlaudio($match) {
$link = $match[1];
$zrl = is_matrix_url($link);
if($zrl)
$link = zid($link);
return '';
}
function tryzrlvideo($match) {
$link = $match[1];
$zrl = is_matrix_url($link);
if($zrl)
$link = zid($link);
return '';
}
// [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 $unspacefied;
}
function bb_emoji($mtch) {
$s = strtolower($mtch[1]);
if(strpos($s,'x')) {
$e = substr($s,strpos($s,'x')+1);
if(file_exists('images/emoji/' . $e . '.png')) {
return '';
}
else {
return $mtch[0];
}
}
}
function bb_extract_images($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 = array();
$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();
$Text = '
';
return $Text;
}
function bb_parse_app($match) {
$app = Zotlabs\Lib\Apps::app_decode($match[1]);
if ($app)
return Zotlabs\Lib\Apps::app_render($app);
}
function bb_parse_element($match) {
$j = json_decode(base64url_decode($match[1]),true);
if ($j && local_channel()) {
$text = sprintf( t('Install %s element: '), translate_design_element($j['type'])) . $j['pagetitle'];
$o = EOL . '' . $text . '' . EOL;
}
else {
$text = sprintf( t('This post contains an installable %s element, however you lack permissions to install it on this site.' ), translate_design_element($j['type'])) . $j['pagetitle'];
$o = EOL . $text . EOL;
}
return $o;
}
function translate_design_element($type) {
switch($type) {
case 'webpage':
$ret = t('webpage');
break;
case 'layout':
$ret = t('layout');
break;
case 'block':
$ret = t('block');
break;
case 'menu':
$ret = t('menu');
break;
}
return $ret;
}
function bb_ShareAttributes($match) {
$matches = array();
$attributes = $match[1];
$author = "";
preg_match("/author='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$author = urldecode($matches[1]);
$link = "";
preg_match("/link='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$link = $matches[1];
$avatar = "";
preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$avatar = $matches[1];
$profile = "";
preg_match("/profile='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$profile = $matches[1];
$posted = "";
preg_match("/posted='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$posted = $matches[1];
// message_id is never used, do we still need it?
$message_id = "";
preg_match("/message_id='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$message_id = $matches[1];
$reldate = '' . datetime_convert('UTC', date_default_timezone_get(), $posted, 'r') . '';
$headline = '
';
if ($avatar != "")
$headline .= '';
// Bob Smith wrote the following post 2 hours ago
$fmt = sprintf( t('%1$s wrote the following %2$s %3$s'),
'' . $author . '',
'' . t('post') . '',
$reldate
);
$headline .= '' . $fmt . '
';
$text = $headline . '
' . trim($match[2]) . '
';
return $text;
}
function bb_location($match) {
// not yet implemented
}
/**
* @brief Returns an iframe from $match[1].
*
* @param array $match
* @return string HTML iframe with content of $match[1]
*/
function bb_iframe($match) {
$sandbox = ((strpos($match[1], App::get_hostname())) ? ' sandbox="allow-scripts" ' : '');
return '';
}
function bb_ShareAttributesSimple($match) {
$matches = array();
$attributes = $match[1];
$author = "";
preg_match("/author='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
preg_match('/author="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "")
$author = $matches[1];
$profile = "";
preg_match("/profile='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$profile = $matches[1];
preg_match('/profile="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "")
$profile = $matches[1];
$text = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $author . ': div class="reshared-content">' . $match[2] . '';
return($text);
}
function rpost_callback($match) {
if ($match[2]) {
return str_replace($match[0], get_rpost_path(App::get_observer()) . '&title=' . urlencode($match[2]) . '&body=' . urlencode($match[3]), $match[0]);
} else {
return str_replace($match[0], 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($match[0],'
';
}
function bb_definitionList($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 =>
term-text
description-text
// then after all replacements have been made, the extra
at the start of the
// first line can be removed. HTML5 allows the tag to be missing from the end of the last line.
// Using '(?\n";
$eatLeadingSpaces = '(?: |[ \t])*'; // prevent spaces infront of [*= from adding another line to the previous element
$listElements = preg_replace('/^(\n| )/', '', $match[2]); // ltrim the first newline
$listElements = preg_replace(
'/' . $eatLeadingSpaces . '\[\*=([[:print:]]*?)(?$1
',
$listElements
);
// Unescape any \] inside the
tags
$listElements = preg_replace_callback('/
(.*?)<\/dt>/ism', 'bb_definitionList_unescapeBraces', $listElements);
// Remove the extra at the start of the string, if there is one.
$firstOpenTag = strpos($listElements, '
';;
}
function bb_definitionList_unescapeBraces($match) {
return '
' . str_replace('\]', ']', $match[1]) . '
';
}
/**
* @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 '' . $input[2] . '';
}
function bb_observer($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 $Text;
}
function bb_code($match) {
if(strpos($match[0], " "))
return '' . trim($match[1]) . '';
else
return '' . trim($match[1]) . '';
}
// BBcode 2 HTML was written by WAY2WEB.net
// extended to work with Mistpark/Friendica/Redmatrix/Hubzilla - Mike Macgirvin
function bbcode($Text, $preserve_nl = false, $tryoembed = true, $cache = false) {
// Hide all [noparse] contained bbtags by spacefying them
if (strpos($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);
}
// 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);
// 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)
$observer = false;
else
$observer = App::get_observer();
if ((strpos($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", '', $Text);
}
}
if($cache)
$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'];
$Text = str_replace(array('[baseurl]','[sitename]'),array(z_root(),get_config('system','sitename')),$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);
// Convert new line chars to html tags
// nlbr seems to be hopelessly messed up
// $Text = nl2br($Text);
// We'll emulate it.
$Text = str_replace("\r\n", "\n", $Text);
$Text = str_replace(array("\r", "\n"), array(' ', ' '), $Text);
if ($preserve_nl)
$Text = str_replace(array("\n", "\r"), array('', ''), $Text);
$Text = str_replace(array("\t", " "), array(" ", " "), $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);
} 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);
}
// Perform URL Search
$urlchars = '[a-zA-Z0-9\:\/\-\?\&\;\.\=\@\_\~\#\%\$\!\+\,\@]';
if (strpos($Text,'http') !== false) {
$Text = preg_replace("/([^\]\='".'"'."\/]|^|\#\^)(https?\:\/\/$urlchars+)/ism", '$1$2', $Text);
}
if (strpos($Text,'[/share]') !== false) {
$Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism", 'bb_ShareAttributes', $Text);
}
if($tryoembed) {
if (strpos($Text,'[/url]') !== false) {
$Text = preg_replace_callback("/[^\^]\[url\]([$URLSearchString]*)\[\/url\]/ism", 'tryoembed', $Text);
}
}
if (strpos($Text,'[/url]') !== false) {
$Text = preg_replace("/\#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '#^$1', $Text);
$Text = preg_replace("/\#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '#^$2', $Text);
$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '$1', $Text);
$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$2', $Text);
}
if (strpos($Text,'[/zrl]') !== false) {
$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", '$2', $Text);
}
// Remove bookmarks from UNO
if (UNO)
$Text = str_replace('#^', '', $Text);
// Perform MAIL Search
if (strpos($Text,'[/mail]') !== false) {
$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '$1', $Text);
$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '$2', $Text);
}
// leave open the posibility of [map=something]
// this is replaced in prepare_body() which has knowledge of the item location
if (strpos($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', $Text);
}
if (strpos($Text,'[map]') !== false) {
$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", $Text);
}
// Check for sized text
// [size=50] --> font-size: 50px (with the unit).
if (strpos($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);
}
// Check for h2
if (strpos($Text,'[h2]') !== false) {
$Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism",'
$1
',$Text);
}
// Check for h3
if (strpos($Text,'[h3]') !== false) {
$Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism",'
$1
',$Text);
}
// Check for h4
if (strpos($Text,'[h4]') !== false) {
$Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism",'
$1
',$Text);
}
// Check for h5
if (strpos($Text,'[h5]') !== false) {
$Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism",'
$1
',$Text);
}
// Check for h6
if (strpos($Text,'[h6]') !== false) {
$Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism",'
$1
',$Text);
}
// Check for table of content without params
if (strpos($Text,'[toc]') !== false) {
$Text = preg_replace("/\[toc\]/ism",'
',$Text);
}
// Check for table of content with params
if (strpos($Text,'[toc') !== false) {
$Text = preg_replace("/\[toc([^\]]+?)\]/ism",'',$Text);
}
// Check for centered text
if (strpos($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 list text
$Text = str_replace("[*]", "
', $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', $Text);
}
if (strpos($Text,'[th]') !== false) {
$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '
', $Text);
$Text = preg_replace_callback("/\[crypt (.*?)\](.*?)\[\/crypt\]/ism", 'bb_parse_crypt', $Text);
}
if(strpos($Text,'[/app]') !== false) {
$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))\[\/video\]/ism", 'tryzrlvideo', $Text);
}
if (strpos($Text,'[/audio]') !== false) {
$Text = preg_replace_callback("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3|opus))\[\/audio\]/ism", 'tryzrlaudio', $Text);
}
if (strpos($Text,'[/zvideo]') !== false) {
$Text = preg_replace_callback("/\[zvideo\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mpeg|mpg))\[\/zvideo\]/ism", 'tryzrlvideo', $Text);
}
if (strpos($Text,'[/zaudio]') !== false) {
$Text = preg_replace_callback("/\[zaudio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3|opus))\[\/zaudio\]/ism", 'tryzrlaudio', $Text);
}
// Try to Oembed
if ($tryoembed) {
if (strpos($Text,'[/video]') !== false) {
$Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
}
if (strpos($Text,'[/audio]') !== false) {
$Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
}
if (strpos($Text,'[/zvideo]') !== false) {
$Text = preg_replace_callback("/\[zvideo\](.*?)\[\/zvideo\]/ism", 'tryoembed', $Text);
}
if (strpos($Text,'[/zaudio]') !== false) {
$Text = preg_replace_callback("/\[zaudio\](.*?)\[\/zaudio\]/ism", 'tryoembed', $Text);
}
}
// if video couldn't be embedded, link to it instead.
if (strpos($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', $Text);
}
if ($tryoembed){
if (strpos($Text,'[/iframe]') !== false) {
$Text = preg_replace_callback("/\[iframe\](.*?)\[\/iframe\]/ism", 'bb_iframe', $Text);
}
} else {
if (strpos($Text,'[/iframe]') !== false) {
$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '$1', $Text);
}
}
// oembed tag
$Text = oembed_bbcode2html($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,'start')) {
$sub = format_event_html($ev);
$sub = str_replace('$',"\0",$sub);
$Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$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("/\[event\-adjust\](.*?)\[\/event\-adjust\]/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);
}
$Text = preg_replace_callback('/\[\&\;([#a-z0-9]+)\;\]/', 'bb_emoji', $Text);
$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), m (mailto), and named anchors.
$Text = preg_replace("/\<(.*?)(src|href)=\"[^zhfm#](.*?)\>/ism", '<$1$2="">', $Text);
$Text = bb_replace_images($Text, $saved_images);
call_hooks('bbcode', $Text);
return $Text;
}
 . '/images/lock_icon.gif "' . t('Encrypted content') . '"){kind=icon}
 . '/images/emoji/' . $e . '.png){kind=small}
';
}
else {
return $mtch[0];
}
}
}
function bb_extract_images($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' . $cnt . '#$]', ' . '/images/lock_icon.gif "' . t('Encrypted content') . '"){kind=icon}