Prevent nil pointer when reloading in single service mode

CHANGELOG.md

@@ -36,6 +36,7 @@
 ### FIXED
 
 - Fixed potential race condition when signing requests. [GH-240]
+- Fixed panic when reloading configuration in single service mode [GH-247]
 
 ## v0.1.0
 

authorize/authorize.go

@@ -61,6 +61,9 @@ func (a *Authorize) ValidIdentity(route string, identity *Identity) bool {
 // UpdateOptions updates internal structures based on config.Options
 func (a *Authorize) UpdateOptions(o config.Options) error {
 	log.Info().Msg("authorize: updating options")
+	if a == nil {
+		return nil
+	}
 	a.identityAccess = NewIdentityWhitelist(o.Policies, o.Administrators)
 	return nil
 }

authorize/authorize_test.go

@@ -94,4 +94,8 @@ func Test_UpdateOptions(t *testing.T) {
 			}
 		})
 	}
+
+	// Test nil
+	var a *Authorize
+	a.UpdateOptions(config.Options{})
 }

proxy/proxy.go

@@ -321,5 +321,8 @@ func (p *Proxy) newReverseProxyHandler(rp *httputil.ReverseProxy, route *config.
 
 // UpdateOptions updates internal structures based on config.Options
 func (p *Proxy) UpdateOptions(o config.Options) error {
+	if p == nil {
+		return nil
+	}
 	return p.UpdatePolicies(&o)
 }

proxy/proxy_test.go

@@ -329,4 +329,8 @@ func Test_UpdateOptions(t *testing.T) {
 			}
 		})
 	}
+
+	// Test nil
+	var p *Proxy
+	p.UpdateOptions(config.Options{})
 }