From f5437632f486b7d0a0a181c58f113c86d032b02c Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 24 Apr 2017 20:11:36 -0400
Subject: Upgrading server dependancies (#6215)

---
 vendor/github.com/xenolf/lego/acme/client.go |  5 +----
 vendor/github.com/xenolf/lego/acme/http.go   | 33 +++++++++++++++++++++++++++-
 vendor/github.com/xenolf/lego/acme/jws.go    | 16 +-------------
 3 files changed, 34 insertions(+), 20 deletions(-)

(limited to 'vendor/github.com/xenolf/lego/acme')

diff --git a/vendor/github.com/xenolf/lego/acme/client.go b/vendor/github.com/xenolf/lego/acme/client.go
index ee519f2e2..ef0f80b7f 100644
--- a/vendor/github.com/xenolf/lego/acme/client.go
+++ b/vendor/github.com/xenolf/lego/acme/client.go
@@ -529,10 +529,7 @@ func (c *Client) chooseSolvers(auth authorization, domain string) map[int]solver
 func (c *Client) getChallenges(domains []string) ([]authorizationResource, map[string]error) {
 	resc, errc := make(chan authorizationResource), make(chan domainError)
 
-	var delay time.Duration
-	if len(domains) > overallRequestLimit {
-		delay = time.Second / overallRequestLimit
-	}
+	delay := time.Second / overallRequestLimit
 
 	for _, domain := range domains {
 		time.Sleep(delay)
diff --git a/vendor/github.com/xenolf/lego/acme/http.go b/vendor/github.com/xenolf/lego/acme/http.go
index dc958046a..a858b5a75 100644
--- a/vendor/github.com/xenolf/lego/acme/http.go
+++ b/vendor/github.com/xenolf/lego/acme/http.go
@@ -97,10 +97,41 @@ func postJSON(j *jws, uri string, reqBody, respBody interface{}) (http.Header, e
 	if err != nil {
 		return nil, fmt.Errorf("Failed to post JWS message. -> %v", err)
 	}
+
 	defer resp.Body.Close()
 
 	if resp.StatusCode >= http.StatusBadRequest {
-		return resp.Header, handleHTTPError(resp)
+
+		err := handleHTTPError(resp)
+
+		switch err.(type) {
+
+		case NonceError:
+
+			// Retry once if the nonce was invalidated
+
+			retryResp, err := j.post(uri, jsonBytes)
+			if err != nil {
+				return nil, fmt.Errorf("Failed to post JWS message. -> %v", err)
+			}
+
+			defer retryResp.Body.Close()
+
+			if retryResp.StatusCode >= http.StatusBadRequest {
+				return retryResp.Header, handleHTTPError(retryResp)
+			}
+
+			if respBody == nil {
+				return retryResp.Header, nil
+			}
+
+			return retryResp.Header, json.NewDecoder(retryResp.Body).Decode(respBody)
+
+		default:
+			return resp.Header, err
+
+		}
+
 	}
 
 	if respBody == nil {
diff --git a/vendor/github.com/xenolf/lego/acme/jws.go b/vendor/github.com/xenolf/lego/acme/jws.go
index 3b77cd491..a39434342 100644
--- a/vendor/github.com/xenolf/lego/acme/jws.go
+++ b/vendor/github.com/xenolf/lego/acme/jws.go
@@ -44,26 +44,12 @@ func (j *jws) post(url string, content []byte) (*http.Response, error) {
 	if err != nil {
 		return nil, fmt.Errorf("Failed to HTTP POST to %s -> %s", url, err.Error())
 	}
-	
-	// Even in case of an error, the response should still contain a nonce.
+
 	nonce, nonceErr := getNonceFromResponse(resp)
 	if nonceErr == nil {
 		j.nonces.Push(nonce)
 	}
 
-	if err != nil {
-		switch err.(type) {
-		case NonceError:
-			// In case of a nonce error - retry once
-			resp, err = httpPost(url, "application/jose+json", bytes.NewBuffer([]byte(signedContent.FullSerialize())))
-			if err != nil {
-				return nil, fmt.Errorf("Failed to HTTP POST to %s -> %s", url, err.Error())
-			}
-		default:
-			return nil, fmt.Errorf("Failed to HTTP POST to %s -> %s", url, err.Error())
-		}
-	}
-
 	return resp, nil
 }
 
-- 
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