From a6165c00ce286a9b9ee84bb104c1b5d9d944823a Mon Sep 17 00:00:00 2001
From: Zot <mike@macgirvin.com>
Date: Fri, 8 Nov 2019 10:47:00 +0100
Subject: svg stuff

---
 include/text.php | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'include/text.php')

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;
+}
-- 
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