From 8c6a4706f8bf375738197ed83d1f91d8a17032ef Mon Sep 17 00:00:00 2001
From: Marius Burkard <m.burkard@pixcept.de>
Date: Thu, 26 May 2016 02:21:46 -0400
Subject: [PATCH] Merge branch 'stable-3.1'

---
 server/plugins-available/nginx_plugin.inc.php |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 1c5247d..9393a9b 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -1312,8 +1312,9 @@
 				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
 				
 				$success = false;
-				if(file_exists("/root/.local/share/letsencrypt/bin/letsencrypt")) {
-					$success = $this->_exec("/root/.local/share/letsencrypt/bin/letsencrypt auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
+				$letsencrypt = array_shift( split("\n", `which letsencrypt /root/.local/share/letsencrypt/bin/letsencrypt`) );
+				if(is_executable($letsencrypt)) {
+					$success = $this->_exec($letsencrypt . " auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
 				}
 				if(!$success) {
 					// error issuing cert

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