X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=inline;f=include%2Fbbcode.php;h=eaf412c35394bfae5e09ba4de1e603b6fc1d426e;hb=c82e5fde0a6ff153a4f72f2c51c3e144093ef31b;hp=cf8d74bb1dc9976a213d9af32ef04a8819e8f4c1;hpb=1581e02f8f2dd6c4515cbb33f3cb85b8f66ec8e0;p=friendica.git
diff --git a/include/bbcode.php b/include/bbcode.php
index cf8d74bb1d..eaf412c353 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -3,7 +3,32 @@
require_once("include/oembed.php");
require_once('include/event.php');
+function bb_cleanstyle($st) {
+ return "".$st[2]."";
+}
+
+function bb_cleanclass($st) {
+ return "".$st[2]."";
+}
+
+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('
', '', $s[1]) . '[/code]';
@@ -47,6 +72,89 @@ function bb_unspacefy_and_trim($st) {
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) {
@@ -106,18 +214,105 @@ function bb_replace_images($body, $images) {
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 = '
";
+
+ $text = $headline.''.trim($match[2])."
";
+
+ 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];
+
+ $text = "
".html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8').' '.$author.":
»".$match[2]."«";
+
+ return($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) {
- $a = get_app();
+ $stamp1 = microtime(true);
- // 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);
+ $a = get_app();
// Hide all [noparse] contained bbtags by spacefying them
// POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
@@ -127,6 +322,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
+ // Move all spaces out of the tags
+ $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
+ $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
+
// Extract the private images which use data url's since preg has issues with
// large data sizes. Stash them away while we do bbcode conversion, and then put them back
// in after we've done all the regex matching. We cannot use any preg functions to do this.
@@ -148,6 +347,17 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
$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
tags
// nlbr seems to be hopelessly messed up
@@ -155,7 +365,19 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
// 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('
','
'), $Text);
if($preserve_nl)
@@ -171,7 +393,7 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
// Perform URL Search
- $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1$2', $Text);
+ $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1$2', $Text);
if ($tryoembed)
$Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
@@ -185,6 +407,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$2', $Text);
//$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '$2', $Text);
+ // Red compatibility, though the link can't be authenticated on Friendica
+ $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '$2', $Text);
+
+
// we may need to restrict this further if it picks up too many strays
// link acct:user@host to a webfinger profile redirector
@@ -225,10 +451,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
$Text = str_replace("[*]", "", $Text);
// Check for style sheet commands
- $Text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism","$2",$Text);
+ $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
// Check for CSS classes
- $Text = preg_replace("(\[class=(.*?)\](.*?)\[\/class\])ism","$2",$Text);
+ $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
// handle nested lists
$endlessloop = 0;
@@ -317,14 +543,21 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
// [img=widthxheight]image source[/img]
//$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '
', $Text);
$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '
', $Text);
+ $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '
', $Text);
// Images
// [img]pathtoimage[/img]
$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '
', $Text);
+ $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '
', $Text);
-
+ // Shared content
+ if (!$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",'
![' . t('Encrypted content') . ' ' . t('Encrypted content') . '](' .$a->get_baseurl() . '/images/lock_icon.gif)
', $Text);
+ $Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'
![' . '$1' . ' ' . t('Encrypted content') . ' ' . t('Encrypted content') . '](' .$a->get_baseurl() . '/images/lock_icon.gif)
', $Text);
// Try to Oembed
@@ -415,33 +648,41 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
$Text = preg_replace('/\"\;/','"',$Text);
// fix any escaped ampersands that may have been converted into links
- $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
- $Text = preg_replace("/\<(.*?)(src|href)=\"[^hfm](.*?)\>/ism",'<$1$2="">',$Text);
+ $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
+ $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/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) {
- $doc = new DOMDocument();
- $doc->preserveWhiteSpace = false;
+ // Update: Now it is done every time - since bad structured html can break a whole page
+ //if (!$tryoembed) {
+// $doc = new DOMDocument();
+// $doc->preserveWhiteSpace = false;
+
+// $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
- $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
+// $doctype = '';
+// @$doc->loadHTML($doctype."".$Text."");
- $doctype = '';
- @$doc->loadHTML($doctype."".$Text."");
+// $Text = $doc->saveHTML();
+// $Text = str_replace(array("", "", $doctype), array("", "", ""), $Text);
- $Text = $doc->saveHTML();
- $Text = str_replace(array("", "", $doctype), array("", "", ""), $Text);
+// $Text = str_replace('
','', $Text);
- $Text = str_replace('
','', $Text);
+// $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
+ //}
- $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
+ // Remove all hashtag addresses
+ if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
+ $pattern = '/#(.*?)<\/a>/is';
+ $Text = preg_replace($pattern, '#$2', $Text);
}
call_hooks('bbcode',$Text);
+ $a->save_timestamp($stamp1, "parser");
+
return $Text;
}
-