]> git.mxchange.org Git - friendica.git/blobdiff - include/bbcode.php
Merge remote-tracking branch 'upstream/develop' into 1607-performance
[friendica.git] / include / bbcode.php
index 70cd22d5f9c0eaa960c3aad0ac18a8f8e8f7a8e6..27213007cebdfc8a6751a14fc0472ddadd0abe1b 100644 (file)
@@ -1,4 +1,6 @@
 <?php
+use \Friendica\Core\Config;
+
 require_once("include/oembed.php");
 require_once('include/event.php');
 require_once('include/map.php');
@@ -34,7 +36,6 @@ function bb_map_location($match) {
 function bb_attachment($Text, $simplehtml = false, $tryoembed = true) {
 
        $data = get_attachment_data($Text);
-
        if (!$data)
                return $Text;
 
@@ -85,7 +86,7 @@ function bb_attachment($Text, $simplehtml = false, $tryoembed = true) {
                                $text .= $oembed;
 
                        if (trim($data["description"]) != "")
-                               $text .= sprintf('<blockquote>%s</blockquote></span>', trim($data["description"]));
+                               $text .= sprintf('<blockquote>%s</blockquote></span>', trim(bbcode($data["description"])));
                }
        }
        return $data["text"].$text.$data["after"];
@@ -101,8 +102,14 @@ function bb_remove_share_information($Text, $plaintext = false, $nolink = false)
        if ($nolink)
                return $data["text"].$data["after"];
 
-       if ($plaintext)
+       $title = htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false);
+       $text = htmlentities($data["text"], ENT_QUOTES, 'UTF-8', false);
+       if ($plaintext OR (($title != "") AND strstr($text, $title)))
+               $data["title"] = $data["url"];
+       elseif (($text != "") AND strstr($title, $text)) {
+               $data["text"] = $data["title"];
                $data["title"] = $data["url"];
+       }
 
        if (($data["text"] == "") AND ($data["title"] != "") AND ($data["url"] == ""))
                return $data["title"].$data["after"];
@@ -115,10 +122,10 @@ function bb_remove_share_information($Text, $plaintext = false, $nolink = false)
 
        if (($data["url"] != "") AND ($data["title"] != ""))
                $text .= "\n[url=".$data["url"]."]".$data["title"]."[/url]";
-       elseif (($link != ""))
+       elseif (($data["url"] != ""))
                $text .= "\n".$data["url"];
 
-       return $text.$data["after"];
+       return $text."\n".$data["after"];
 }
 
 function bb_cleanstyle($st) {
@@ -141,7 +148,7 @@ function cleancss($input) {
                if (($char >= "a") and ($char <= "z"))
                        $cleaned .= $char;
 
-               if (!(strpos(" #;:0123456789-_", $char) === false))
+               if (!(strpos(" #;:0123456789-_.%", $char) === false))
                        $cleaned .= $char;
        }
 
@@ -390,36 +397,40 @@ function bb_ShareAttributes($share, $simplehtml) {
 
        $itemcache = get_itemcachepath();
 
-       // relative dates only make sense when they aren't cached
-       if ($itemcache == "") {
-               preg_match("/posted='(.*?)'/ism", $attributes, $matches);
-               if ($matches[1] != "")
-                       $posted = $matches[1];
+       preg_match("/posted='(.*?)'/ism", $attributes, $matches);
+       if ($matches[1] != "")
+               $posted = $matches[1];
 
-               preg_match('/posted="(.*?)"/ism', $attributes, $matches);
-               if ($matches[1] != "")
-                       $posted = $matches[1];
+       preg_match('/posted="(.*?)"/ism', $attributes, $matches);
+       if ($matches[1] != "")
+               $posted = $matches[1];
 
+       // relative dates only make sense when they aren't cached
+       if ($itemcache == "")
                $reldate = (($posted) ? " " . relative_date($posted) : '');
-       }
+
+       // We only call this so that a previously unknown contact can be added.
+       // This is important for the function "get_contact_details_by_url".
+       // This function then can fetch an entry from the contact table.
+       get_contact($profile, 0);
 
        $data = get_contact_details_by_url($profile);
 
-       if (isset($data["name"]) AND isset($data["addr"]))
+       if (isset($data["name"]) AND ($data["name"] != "") AND isset($data["addr"]) AND ($data["addr"] != ""))
                $userid_compact = $data["name"]." (".$data["addr"].")";
        else
                $userid_compact = GetProfileUsername($profile,$author, true);
 
-       if (isset($data["addr"]))
+       if (isset($data["addr"]) AND ($data["addr"] != ""))
                $userid = $data["addr"];
        else
                $userid = GetProfileUsername($profile,$author, false);
 
-       if (isset($data["name"]))
+       if (isset($data["name"]) AND ($data["name"] != ""))
                $author = $data["name"];
 
-       if (isset($data["photo"]))
-               $avatar = $data["photo"];
+       if (isset($data["micro"]) AND ($data["micro"] != ""))
+               $avatar = $data["micro"];
 
        $preshare = trim($share[1]);
 
@@ -483,13 +494,22 @@ function bb_ShareAttributes($share, $simplehtml) {
                                $text .= "<br /><br />".$link;
                        break;
                default:
-                       $headline = trim($share[1]).'<div class="shared_header">';
-                       if ($avatar != "")
-                               $headline .= '<img src="'.proxy_url($avatar, false, PROXY_SIZE_MICRO).'" height="32" width="32" >';
-
-                       $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
-                       $headline .= "</div>";
-                       $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
+                       $text = trim($share[1])."\n";
+
+                       $avatar = proxy_url($avatar, false, PROXY_SIZE_THUMB);
+
+                       $tpl = get_markup_template('shared_content.tpl');
+                       $text .= replace_macros($tpl,
+                                       array(
+                                               '$profile' => $profile,
+                                               '$avatar' => $avatar,
+                                               '$author' => $author,
+                                               '$link' => $link,
+                                               '$posted' => $posted,
+                                               '$reldate' => $reldate,
+                                               '$content' => trim($share[3])
+                                       )
+                               );
                        break;
        }
        return($text);
@@ -705,6 +725,13 @@ function bb_CleanPictureLinks($text) {
        return ($text);
 }
 
+function bb_highlight($match) {
+       if(in_array(strtolower($match[1]),['php','css','mysql','sql','abap','diff','html','perl','ruby',
+               'vbscript','avrc','dtd','java','xml','cpp','python','javascript','js','sh']))
+               return text_highlight($match[2],strtolower($match[1]));
+       return $match[0];
+}
+
        // BBcode 2 HTML was written by WAY2WEB.net
        // extended to work with Mistpark/Friendica - Mike Macgirvin
 
@@ -757,6 +784,11 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
        if (!$tryoembed)
                $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$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", 'bb_highlight', $Text);
+       }
        // Convert new line chars to html <br /> tags
 
        // nlbr seems to be hopelessly messed up
@@ -803,7 +835,10 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
                $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
                        '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
                        $Text);
-
+       elseif (!$simplehtml)
+               $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
+                       '$1<a href="$2" class="userinfo mention" title="$3">$3</a>',
+                       $Text);
 
        // Bookmarks in red - will be converted to bookmarks in friendica
        $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
@@ -845,6 +880,9 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
        if ($tryoembed)
                $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 
+       $Text = preg_replace("/([#])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
+                               '$1<a href="$2" class="tag" title="$3">$3</a>', $Text);
+
        $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
        $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
        //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
@@ -856,8 +894,7 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
        // we may need to restrict this further if it picks up too many strays
        // link acct:user@host to a webfinger profile redirector
 
-       $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
-               . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
+       $Text = preg_replace('/acct:([^@]+)@((?!\-)(?:[a-zA-Z\d\-]{0,62}[a-zA-Z\d]\.){1,126}(?!\d+)[a-zA-Z\d]{1,63})/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=$1@$2" target="extlink">acct:$1@$2</a>',$Text);
 
        // Perform MAIL Search
        $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
@@ -884,6 +921,9 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
        $Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism",'<h5>$1</h5>',$Text);
        $Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism",'<h6>$1</h6>',$Text);
 
+       // Check for paragraph
+       $Text = preg_replace("(\[p\](.*?)\[\/p\])ism",'<p>$1</p>',$Text);
+
        // Check for bold text
        $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 
@@ -1103,6 +1143,7 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
                $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
                $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
                $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
+               $Text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism",'',$Text);
        }
 
 
@@ -1122,11 +1163,24 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
        $Text = preg_replace('/\&quot\;/','"',$Text);
 
        // fix any escaped ampersands that may have been converted into links
-       $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
-       $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|gopher|cid)(.*?)\>/ism",'<$1$2="">',$Text);
+       $Text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism', '<$1$2=$3&$4>', $Text);
+
+       // sanitizes src attributes (only relative redir URIs or http URLs)
+       $Text = preg_replace('#<([^>]*?)(src)="(?!http|redir)(.*?)"(.*?)>#ism', '<$1$2=""$4 class="invalid-src" title="' . t('Invalid source protocol') . '">', $Text);
+
+       // sanitize href attributes (only whitelisted protocols URLs)
+       // default value for backward compatibility
+       $allowed_link_protocols = Config::get('system', 'allowed_link_protocols', array('ftp', 'mailto', 'gopher', 'cid'));
 
-       if($saved_image)
+       // Always allowed protocol even if config isn't set or not including it
+       $allowed_link_protocols[] = 'http';
+
+       $regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
+       $Text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 class="invalid-href" title="' . t('Invalid link protocol') . '">', $Text);
+
+       if($saved_image) {
                $Text = bb_replace_images($Text, $saved_image);
+       }
 
        // Clean up the HTML by loading and saving the HTML with the DOM.
        // Bad structured html can break a whole page.