Ensure absolute paths in client certificate store

cert.go

@@ -77,6 +77,12 @@ type ClientCertificateStore struct {
 
 func (c *ClientCertificateStore) Lookup(hostname, urlPath string) (*tls.Certificate, error) {
 	urlPath = path.Clean(urlPath)
+	if urlPath == "." {
+		urlPath = "/"
+	}
+	if urlPath[0] != '/' {
+		urlPath = "/" + urlPath
+	}
 	for {
 		cert, err := c.CertificateStore.Lookup(hostname + urlPath)
 		switch err {

examples/client.go

@@ -77,8 +77,8 @@ func sendRequest(req *gemini.Request) error {
 	}
 
 	if resp.Status.Class() == gemini.StatusClassSuccess {
-		defer resp.Body.Close()
 		body, err := ioutil.ReadAll(resp.Body)
+		resp.Body.Close()
 		if err != nil {
 			return err
 		}