From 190275a3c3814094edaa6c5ea40e74031123608f Mon Sep 17 00:00:00 2001
From: Jesse Norell <jesse@kci.net>
Date: Tue, 24 May 2016 17:43:32 -0400
Subject: [PATCH] support letsencrypt from OS package  Closes: #3908

---
 server/plugins-available/apache2_plugin.inc.php |   52 ++++++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 6bc4b97..8c1da78 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -369,6 +369,22 @@
 			$app->dbmaster->query("UPDATE web_domain SET ssl_request = ?, ssl_cert = ?, ssl_key = ? WHERE domain = ?", $ssl_request, $ssl_cert, $ssl_key2, $data['new']['domain']);
 			$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
 		}
+		
+		//* Check that the SSL key is not password protected
+		if($data["new"]["ssl_action"] == 'save') {
+			if(stristr($data["new"]["ssl_key"],'Proc-Type: 4,ENCRYPTED')) {
+				$data["new"]["ssl_action"] = '';
+			
+				$app->log('SSL Certificate not saved. The SSL key is encrypted.', LOGLEVEL_WARN);
+				$app->dbmaster->datalogError('SSL Certificate not saved. The SSL key is encrypted.');
+			
+				/* Update the DB of the (local) Server */
+				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
+
+				/* Update also the master-DB of the Server-Farm */
+				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
+			}
+		}
 
 		//* Save a SSL certificate to disk
 		if($data["new"]["ssl_action"] == 'save') {
@@ -870,7 +886,7 @@
           $file_system = explode(" ", $df_output)[0];
           $primitive_root = explode(" ", $df_output)[1];
 
-          if ( $file_system , array('ext2','ext3','ext4') ) {
+		  if ( in_array($file_system , array('ext2','ext3','ext4'), true) ) {
             exec('setquota -u '. $username . ' ' . $blocks_soft . ' ' . $blocks_hard . ' 0 0 -a &> /dev/null');
             exec('setquota -T -u '.$username.' 604800 604800 -a &> /dev/null');
           } elseif ($file_system == 'xfs') {
@@ -1216,11 +1232,23 @@
 			//* check if we have already a Let's Encrypt cert
 			if(!file_exists($crt_tmp_file) && !file_exists($key_tmp_file)) {
 				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
-
-				if(file_exists("/root/.local/share/letsencrypt/bin/letsencrypt")) {
-					$this->_exec("/root/.local/share/letsencrypt/bin/letsencrypt auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
+				
+				$success = false;
+				$letsencrypt = array_shift( split("\n", `which letsencrypt /root/.local/share/letsencrypt/bin/letsencrypt`) );
+				if(is_executable($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
+					$app->log('Let\'s Encrypt SSL Cert for: ' . $domain . ' could not be issued.', LOGLEVEL_WARN);
+					$data['new']['ssl_letsencrypt'] = 'n';
+					if($data['old']['ssl'] == 'n') $data['new']['ssl'] = 'n';
+					/* Update the DB of the (local) Server */
+					$app->db->query("UPDATE web_domain SET `ssl` = ?, `ssl_letsencrypt` = ? WHERE `domain` = ?", $data['new']['ssl'], 'n', $data['new']['domain']);
+					/* Update also the master-DB of the Server-Farm */
+					$app->dbmaster->query("UPDATE web_domain SET `ssl` = ?, `ssl_letsencrypt` = ? WHERE `domain` = ?", $data['new']['ssl'], 'n', $data['new']['domain']);
+				}
+			}
 
 			//* check is been correctly created
 			if(file_exists($crt_tmp_file) OR file_exists($key_tmp_file)) {
@@ -1263,11 +1291,11 @@
 
 				/* we don't need to store it.
 				/* Update the DB of the (local) Server */
-				$app->db->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '$ssl_cert', ssl_key = '$ssl_key' WHERE domain = '".$data['new']['domain']."'");
-				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = '".$data['new']['domain']."'");
+				$app->db->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '', ssl_key = '' WHERE domain = ?", $data['new']['domain']);
+				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
 				/* Update also the master-DB of the Server-Farm */
-				$app->dbmaster->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '$ssl_cert', ssl_key = '$ssl_key' WHERE domain = '".$data['new']['domain']."'");
-				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = '".$data['new']['domain']."'");
+				$app->dbmaster->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '', ssl_key = '' WHERE domain = ?", $data['new']['domain']);
+				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
 			}
 		}
 
@@ -3347,8 +3375,12 @@
 	//* Wrapper for exec function for easier debugging
 	private function _exec($command) {
 		global $app;
+		$out = array();
+		$ret = 0;
 		$app->log('exec: '.$command, LOGLEVEL_DEBUG);
-		exec($command);
+		exec($command, $out, $ret);
+		if($ret != 0) return false;
+		else return true;
 	}
 
 	private function _checkTcp ($host, $port) {

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