From a0e47d963556e31380c6a475568449ceb843b70a Mon Sep 17 00:00:00 2001
From: Bogdan Sorlea <bis@tradeshift.com>
Date: Mon, 28 Nov 2016 15:31:55 +0100
Subject: [PATCH] Allow ampersands and colons in key names

---
 .gitignore | 5 +++++
 sign.go    | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/.gitignore b/.gitignore
index 14741e7..e9c39f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
 *.mprof
 *.out
 .env
+.idea
+out
+*.iml
+gof3r/gof3r
+
diff --git a/sign.go b/sign.go
index cc158c8..dfd4e9e 100644
--- a/sign.go
+++ b/sign.go
@@ -125,6 +125,9 @@ func (s *signer) buildCanonicalString() {
 		uri = "/"
 	}
 
+	uri = strings.Replace(uri, "@", "%40", -1)
+	uri = strings.Replace(uri, ":", "%3A", -1)
+
 	s.canonicalString = strings.Join([]string{
 		s.Request.Method,
 		uri,