svg stuff

1 files changed, 22 insertions, 0 deletions

diff --git a/include/text.php b/include/text.php
index 54ad9ec7a..2496ca934 100644
--- a/include/text.php
+++ b/include/text.php
@@ -9,6 +9,8 @@ use Michelf\MarkdownExtra;
 use Ramsey\Uuid\Uuid;
 use Ramsey\Uuid\Exception\UnsatisfiedDependencyException;
 
+use Zotlabs\Lib\SvgSanitizer;
+
 require_once("include/bbcode.php");
 
 // random string, there are 86 characters max in text mode, 128 for hex
@@ -3648,3 +3650,23 @@ function new_uuid() {
 
 	return $hash;
 }
+
+
+function svg2bb($s) {
+
+	$s = preg_replace("/\<text (.*?)\>(.*?)\<(.*?)\<\/text\>/", '<text $1>$2&lt;$3</text>', $s);
+	$s = preg_replace("/\<text (.*?)\>(.*?)\>(.*?)\<\/text\>/", '<text $1>$2&gt;$3</text>', $s);
+	$s = preg_replace("/\<text (.*?)\>(.*?)\[(.*?)\<\/text\>/", '<text $1>$2&#91;$3</text>', $s);
+	$s = preg_replace("/\<text (.*?)\>(.*?)\](.*?)\<\/text\>/", '<text $1>$2&#93;$3</text>', $s);
+	$s = utf8_encode($s);
+	$purify = new SvgSanitizer();
+	if ($purify->loadXML($s)) {
+		$purify->sanitize();
+		$output = $purify->saveSVG();
+		$output = preg_replace("/\<\?xml(.*?)\>/",'',$output);
+		$output = preg_replace("/\<\!\-\-(.*?)\-\-\>/",'',$output);
+		$output = str_replace(['<','>'],['[',']'],$output);
+		return $output;
+	}
+	return EMPTY_STR;
+}