From c8fc3ad7cd47a1545da030109ba743105417c047 Mon Sep 17 00:00:00 2001
From: zotlabs <mike@macgirvin.com>
Date: Mon, 14 May 2018 19:19:25 -0700
Subject: refactor the 'where does the register link point?' logic

---
 boot.php | 46 ++++++++++++++++++++++++++++++++++++----------
 1 file changed, 36 insertions(+), 10 deletions(-)

(limited to 'boot.php')

diff --git a/boot.php b/boot.php
index b2186246d..b19817197 100755
--- a/boot.php
+++ b/boot.php
@@ -1559,17 +1559,43 @@ function fix_system_urls($oldurl, $newurl) {
  * @return string Parsed HTML code.
  */
 function login($register = false, $form_id = 'main-login', $hiddens = false, $login_page = true) {
+
 	$o = '';
-	$reg = false;
-	$reglink = get_config('system', 'register_link');
-	if(! strlen($reglink))
-		$reglink = 'register';
-
-	$reg = array(
-		'title' => t('Create an account to access services and applications'),
-		'desc' => t('Register'),
-		'link' => (($register) ? $reglink : 'pubsites')
-	);
+	$reg = null;
+
+	// Here's the current description of how the register link works (2018-05-15)
+
+	// Register links are enabled on the site home page and login page and navbar. 
+	// They are not shown by default on other pages which may require login.
+
+	// If the register link is enabled and registration is closed, the request is directed
+	// to /pubsites. If registration is allowed, /register is the default destination
+
+	// system.register_link can over-ride the default behaviour and redirect to an arbitrary
+	// webpage for paid/custom or organisational registrations, regardless of whether
+	// registration is allowed.
+
+	// system.register_link may or may not be the same destination as system.sellpage
+
+	// system.sellpage is the destination linked from the /pubsites page on other sites. If 
+	// system.sellpage is not set, the 'register' link in /pubsites will go to 'register' on your
+	// site. 
+	
+	// If system.register_link is set to the word 'none', no registration link will be shown on
+	// your site.
+
+
+	$register_policy = get_config('system','register_policy');
+
+	$reglink = get_config('system', 'register_link', z_root() . '/' . ((intval($register_policy) === REGISTER_CLOSED) ? 'pubsites' : 'register'));
+
+	if($reglink !== 'none') {
+		$reg = [
+			'title' => t('Create an account to access services and applications'),
+			'desc'  => t('Register'),
+			'link'  => $reglink
+		];
+	}
 
 	$dest_url = z_root() . '/' . App::$query_string;
 
-- 
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