1 files changed, 11 insertions, 0 deletions
diff --git a/lib/util.js b/lib/util.js
index c6a4aa2..fb0b13f 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -1,6 +1,7 @@
 var pull = require('pull-stream')
 var cat = require('pull-cat')
 var h = require('hyperscript')
+var b64url = require('base64-url')
 var u = exports
 
 u.ssbRefRegex = /((?:@|%|&|ssb:\/\/%)[A-Za-z0-9\/+]{43}=\.[\w\d]+)/g
@@ -206,3 +207,13 @@ u.mergeOpts = function (a, b) {
   }
   return obj
 }
+
+u.escapeId = function (id) {
+  return b64url.escape(id)
+}
+
+u.unescapeId = function (str) {
+  var m = /^(.)(.*)(\..*)$/.exec(str)
+  if (!m) return b64url.unescape(str)
+  return m[1] + b64url.unescape(m[2]) + m[3]
+}