From 24ee60492b21b85c9bf1288e43c774d5cfa8243e Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Sun, 19 Mar 2017 19:03:09 +0000
Subject: [PATCH 1/3] If the maintenance reason is a url, then redirect to this
 address

---
 mod/maintenance.php  | 11 ++++++++++-
 util/maintenance.php |  2 +-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/mod/maintenance.php b/mod/maintenance.php
index 98155b93ad..c4839de792 100644
--- a/mod/maintenance.php
+++ b/mod/maintenance.php
@@ -3,12 +3,21 @@
 use \Friendica\Core\Config;
 
 function maintenance_content(App $a) {
+
+	$reason = Config::get('system', 'maintenance_reason');
+
+	if (substr(normalise_link($reason), 0, 7) == 'http://') {
+		header("HTTP/1.1 307 Temporary Redirect");
+		header("Location:".$reason);
+		return;
+	}
+
 	header('HTTP/1.1 503 Service Temporarily Unavailable');
 	header('Status: 503 Service Temporarily Unavailable');
 	header('Retry-After: 600');
 
 	return replace_macros(get_markup_template('maintenance.tpl'), array(
 		'$sysdown' => t('System down for maintenance'),
-		'$reason' => Config::get('system', 'maintenance_reason')
+		'$reason' => $reason
 	));
 }
diff --git a/util/maintenance.php b/util/maintenance.php
index b313783a7d..650dade700 100644
--- a/util/maintenance.php
+++ b/util/maintenance.php
@@ -49,5 +49,5 @@ if ($reason != '') {
 }
 
 echo "Usage:\n\n";
-echo "\tphp {$argv[0]} [1] [Maintenance reason]\tSet the system in maintenance mode\n";
+echo "\tphp {$argv[0]} [1] [Maintenance reason|redirection url]\tSet the system in maintenance mode\n";
 echo "\tphp {$argv[0]} 0  \tSet the system in normal mode\n\n";

From aa4f9c985f02faafe9223a7d3800fc56de3f0caf Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Mon, 20 Mar 2017 04:37:13 +0000
Subject: [PATCH 2/3] Enhanced explanation

---
 util/maintenance.php | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/util/maintenance.php b/util/maintenance.php
index 650dade700..5d0c62196c 100644
--- a/util/maintenance.php
+++ b/util/maintenance.php
@@ -21,7 +21,7 @@ if ($argc > 1) {
 	$maint_mode = intval($argv[1]);
 }
 
-Config::set('system', 'maintenance', $maint_mode);
+//Config::set('system', 'maintenance', $maint_mode);
 
 if ($maint_mode AND ($argc > 2)) {
 	$reason_arr = $argv;
@@ -49,5 +49,14 @@ if ($reason != '') {
 }
 
 echo "Usage:\n\n";
-echo "\tphp {$argv[0]} [1] [Maintenance reason|redirection url]\tSet the system in maintenance mode\n";
-echo "\tphp {$argv[0]} 0  \tSet the system in normal mode\n\n";
+echo "\tphp {$argv[0]} [1] [Maintenance reason|redirection url]\n";
+echo "\t\tSet the system in maintenance mode\n\n";
+echo "\t\tIf the optionally entered maintenance reason is an url\n";
+echo "\t\tthe visitor is redirected to that page.\n";
+echo "\n";
+echo "\t\tExamples:\n";
+echo "\t\t\tphp {$argv[0]} 1 System upgrade\n";
+echo "\t\t\tphp {$argv[0]} 1 http://domain.tld/downtime\n";
+echo "\n";
+echo "\tphp {$argv[0]} 0\n";
+echo "\t\tSet the system in normal mode\n\n";

From 62915007c6871c1376935fa1a7751d751170b00d Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Mon, 20 Mar 2017 04:37:59 +0000
Subject: [PATCH 3/3] Test code removed

---
 util/maintenance.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/maintenance.php b/util/maintenance.php
index 5d0c62196c..614344ab93 100644
--- a/util/maintenance.php
+++ b/util/maintenance.php
@@ -21,7 +21,7 @@ if ($argc > 1) {
 	$maint_mode = intval($argv[1]);
 }
 
-//Config::set('system', 'maintenance', $maint_mode);
+Config::set('system', 'maintenance', $maint_mode);
 
 if ($maint_mode AND ($argc > 2)) {
 	$reason_arr = $argv;