Support IDNA URLs embedding

1 files changed, 12 insertions, 26 deletions

diff --git a/view/js/main.js b/view/js/main.js
index 476e78056..d3f4eff9a 100644
--- a/view/js/main.js
+++ b/view/js/main.js
@@ -1457,35 +1457,21 @@ function preview_post() {
 }
 
 function bin2hex(s) {
-	// Converts the binary representation of data to hex
-	//
-	// version: 812.316
-	// discuss at: http://phpjs.org/functions/bin2hex
-	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
-	// +   bugfixed by: Onno Marsman
-	// +   bugfixed by: Linuxworld
-	// *     example 1: bin2hex('Kev');
-	// *     returns 1: '4b6576'
-	// *     example 2: bin2hex(String.fromCharCode(0x00));
-	// *     returns 2: '00'
-	var v,i, f = 0, a = [];
-	s += '';
-	f = s.length;
-
-	for (i = 0; i<f; i++) {
-		a[i] = s.charCodeAt(i).toString(16).replace(/^([\da-f])$/,"0$1");
-	}
-
-	return a.join('');
+	// UTF-8 encoding to hex is supported
+	var bytes = new TextEncoder().encode(s);
+	return Array.from(
+		bytes,
+		byte => byte.toString(16).padStart(2, "0")
+	).join("");
 }
 
 function hex2bin(hex) {
-	var bytes = [], str;
-
-	for(var i=0; i< hex.length-1; i+=2)
-		bytes.push(parseInt(hex.substr(i, 2), 16));
-
-	return String.fromCharCode.apply(String, bytes);
+	// UTF-8 decoding from hex is supported
+	var bytes = new Uint8Array(hex.length / 2);
+	for (i = 0; i !== bytes.length; i++) {
+		bytes[i] = parseInt(hex.substr(i * 2, 2), 16);
+	}
+	return new TextDecoder().decode(bytes);
 }
 
 function groupChangeMember(gid, cid, sec_token) {