require_once("include/oembed.php");
require_once('include/event.php');
+function bb_cleanstyle($st) {
+ return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
+}
+
+function bb_cleanclass($st) {
+ return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
+}
+
+function cleancss($input) {
+
+ $cleaned = "";
+
+ $input = strtolower($input);
+
+ for ($i = 0; $i < strlen($input); $i++) {
+ $char = substr($input, $i, 1);
+ if (($char >= "a") and ($char <= "z"))
+ $cleaned .= $char;
+
+ if (!(strpos(" #;:0123456789", $char) === false))
+ $cleaned .= $char;
+ }
+
+ return($cleaned);
+}
function stripcode_br_cb($s) {
return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
return $unspacefied;
}
+function bb_find_open_close($s, $open, $close, $occurance = 1) {
+
+ if($occurance < 1)
+ $occurance = 1;
+
+ $start_pos = -1;
+ for($i = 1; $i <= $occurance; $i++) {
+ if( $start_pos !== false)
+ $start_pos = strpos($s, $open, $start_pos + 1);
+ }
+
+ if( $start_pos === false)
+ return false;
+
+ $end_pos = strpos($s, $close, $start_pos);
+
+ if( $end_pos === false)
+ return false;
+
+ $res = array( 'start' => $start_pos, 'end' => $end_pos );
+
+ return $res;
+}
+
+function get_bb_tag_pos($s, $name, $occurance = 1) {
+
+ if($occurance < 1)
+ $occurance = 1;
+
+ $start_open = -1;
+ for($i = 1; $i <= $occurance; $i++) {
+ if( $start_open !== false)
+ $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
+ }
+
+ if( $start_open === false)
+ return false;
+
+ $start_equal = strpos($s, '=', $start_open);
+ $start_close = strpos($s, ']', $start_open);
+
+ if( $start_close === false)
+ return false;
+
+ $start_close++;
+
+ $end_open = strpos($s, '[/' . $name . ']', $start_close);
+
+ if( $end_open === false)
+ return false;
+
+ $res = array( 'start' => 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 $string;
+}
+
+if(! function_exists('bb_extract_images')) {
+function bb_extract_images($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' => $saved_image);
+}}
+
+if(! function_exists('bb_replace_images')) {
+function bb_replace_images($body, $images) {
+
+ $newbody = $body;
+
+ $cnt = 0;
+ foreach($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' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
+ $cnt++;
+ }
+
+ return $newbody;
+}}
+
+function bb_ShareAttributes($match) {
+
+ $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];
+
+ $link = "";
+ preg_match("/link='(.*?)'/ism", $attributes, $matches);
+ if ($matches[1] != "")
+ $link = $matches[1];
+
+ 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];
+
+ 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];
+
+ 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];
+
+ preg_match('/posted="(.*?)"/ism', $attributes, $matches);
+ if ($matches[1] != "")
+ $posted = $matches[1];
+ $reldate = (($posted) ? " " . relative_date($posted) : '');
+
+ $headline = '<div class="shared_header">';
+
+ if ($avatar != "")
+ $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
+
+ $headline .= sprintf(t('<span><a href="%s" target="external-link">%s</a> wrote the following <a href="%s" target="external-link">post</a>'.$reldate.':</span>'), $profile, $author, $link);
+
+ $headline .= "</div>";
+
+ $text = $headline.'<blockquote class="shared_content">'.trim($match[2])."</blockquote>";
+
+ return($text);
+}
+
+function bb_ShareAttributesSimple($match) {
+
+ $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];
+
+ $text = "<br />".html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$author."</a>: <br />»".$match[2]."«";
+
+ return($text);
+}
+
// BBcode 2 HTML was written by WAY2WEB.net
// extended to work with Mistpark/Friendica - Mike Macgirvin
-function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
+function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false) {
+
+ $stamp1 = microtime(true);
$a = get_app();
- // Hide all [noparse] contained bbtags spacefying them
+ // Hide all [noparse] contained bbtags by spacefying them
+ // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
- // Extract a single private image which uses data url's since preg has issues with
- // large data sizes. Stash it away while we do bbcode conversion, and then put it back
+ // Move all spaces out of the tags
+ $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
+ $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
+
+ // Extract the private images which use data url's since preg has issues with
+ // large data sizes. Stash them away while we do bbcode conversion, and then put them back
// in after we've done all the regex matching. We cannot use any preg functions to do this.
- $saved_image = '';
- $img_start = strpos($Text,'[img]data:');
- $img_end = strpos($Text,'[/img]');
-
- if($img_start !== false && $img_end !== false && $img_end > $img_start) {
- $start_fragment = substr($Text,0,$img_start);
- $img_start += strlen('[img]');
- $saved_image = substr($Text,$img_start,$img_end - $img_start);
- $end_fragment = substr($Text,$img_end + strlen('[/img]'));
-// logger('saved_image: ' . $saved_image,LOGGER_DEBUG);
- $Text = $start_fragment . '[$#saved_image#$]' . $end_fragment;
- }
+ $extracted = bb_extract_images($Text);
+ $Text = $extracted['body'];
+ $saved_image = $extracted['images'];
// If we find any event code, turn it into an event.
// After we're finished processing the bbcode we'll
$Text = str_replace("<", "<", $Text);
$Text = str_replace(">", ">", $Text);
+ // remove some newlines before the general conversion
+ $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
+ $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
+
+ $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
+ $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
+
+ // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
+ if (!$tryoembed)
+ $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
+
// Convert new line chars to html <br /> tags
- $Text = nl2br($Text);
+ // nlbr seems to be hopelessly messed up
+ // $Text = nl2br($Text);
+
+ // We'll emulate it.
+
+ $Text = trim($Text);
+ $Text = str_replace("\r\n","\n", $Text);
+
+ // removing multiplicated newlines
+ if (get_config("system", "remove_multiplicated_lines")) {
+ $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]");
+ $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]");
+ do {
+ $oldtext = $Text;
+ $Text = str_replace($search, $replace, $Text);
+ } while ($oldtext != $Text);
+ }
+
+ $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
+
if($preserve_nl)
$Text = str_replace(array("\n","\r"), array('',''),$Text);
+
// Set up the parameters for a URL search string
$URLSearchString = "^\[\]";
// Set up the parameters for a MAIL search string
// Perform URL Search
- $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
+ $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
if ($tryoembed)
$Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
// Check for list text
$Text = str_replace("[*]", "<li>", $Text);
- $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
+
+ // Check for style sheet commands
+ $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
+
+ // Check for CSS classes
+ $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$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($Text, "[ul]") !== false))) && (++$endlessloop < 20)) {
+ ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
+ ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
$Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
$Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
$Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
+ $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
}
$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
// Declare the format for [code] layout
- $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
+// $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
$CodeLayout = '<code>$1</code>';
// Check for [code] text
// [img]pathtoimage[/img]
$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
+ // Shared content
+ if (!$simplehtml)
+ $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
+ else
+ $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
+
+ $Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
+ $Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+
// Try to Oembed
if ($tryoembed) {
- $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
+ $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></video>', $Text);
$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);
$Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
if ($tryoembed)
- $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
+ $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
else
$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
if ($tryoembed)
- $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="425" height="350" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
+ $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
else
$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", "http://www.youtube.com/watch?v=$1", $Text);
$Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
if ($tryoembed)
- $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="425" height="350" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
+ $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
else
$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
// oembed tag
$Text = oembed_bbcode2html($Text);
+ // Avoid triple linefeeds through oembed
+ $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $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
$Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/','&$1;',$Text);
+ $Text = preg_replace('/\&\#039\;/','\'',$Text);
+ $Text = preg_replace('/\"\;/','"',$Text);
// fix any escaped ampersands that may have been converted into links
$Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
- if(strlen($saved_image))
- $Text = str_replace('[$#saved_image#$]','<img src="' . $saved_image .'" alt="' . t('Image/photo') . '" />',$Text);
+ $Text = preg_replace("/\<(.*?)(src|href)=\"[^hfm](.*?)\>/ism",'<$1$2="">',$Text);
+
+ if($saved_image)
+ $Text = bb_replace_images($Text, $saved_image);
// Clean up the HTML by loading and saving the HTML with the DOM
// Only do it when it has to be done - for performance reasons
- if (!$tryoembed) {
+ // Update: Now it is done every time - since bad structured html can break a whole page
+ //if (!$tryoembed) {
$doc = new DOMDocument();
$doc->preserveWhiteSpace = false;
$Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
$Text = str_replace('<br></li>','</li>', $Text);
- }
+
+ $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
+ //}
call_hooks('bbcode',$Text);
+ $a->save_timestamp($stamp1, "parser");
+
return $Text;
}