From 35e984fbba4a968bf04f25342dd730f35d7d747a Mon Sep 17 00:00:00 2001
From: Adnan Maolood <me@adnano.co>
Date: Tue, 24 Nov 2020 20:24:38 -0500
Subject: [PATCH] Escape path character in certificate scopes

---
 cert.go   | 4 ++++
 client.go | 1 +
 2 files changed, 5 insertions(+)

diff --git a/cert.go b/cert.go
index 3cfcb41..7cadbd9 100644
--- a/cert.go
+++ b/cert.go
@@ -48,6 +48,8 @@ func (c *CertificateDir) Add(scope string, cert tls.Certificate) {
 // Write writes the provided certificate to the certificate directory.
 func (c *CertificateDir) Write(scope string, cert tls.Certificate) error {
 	if c.dir {
+		// Escape slash character
+		scope = strings.ReplaceAll(scope, "/", ":")
 		certPath := filepath.Join(c.path, scope+".crt")
 		keyPath := filepath.Join(c.path, scope+".key")
 		if err := WriteCertificate(cert, certPath, keyPath); err != nil {
@@ -81,6 +83,8 @@ func (c *CertificateDir) Load(path string) error {
 			continue
 		}
 		scope := strings.TrimSuffix(filepath.Base(crtPath), ".crt")
+		// Unescape slash character
+		scope = strings.ReplaceAll(scope, ":", "/")
 		c.Add(scope, cert)
 	}
 	c.dir = true
diff --git a/client.go b/client.go
index debd744..53fe3c3 100644
--- a/client.go
+++ b/client.go
@@ -134,6 +134,7 @@ func (c *Client) do(req *Request, via []*Request) (*Response, error) {
 				return resp, err
 			}
 			c.Certificates.Add(hostname+path, cert)
+			c.Certificates.Write(hostname+path, cert)
 			req.Certificate = &cert
 			return c.do(req, via)
 		}