From 949842a88d3f3c84fc87fbb549b2b397076dcbc5 Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Mon, 15 Nov 2010 20:22:40 -0800
Subject: validate email addresses to see if the hostnames actually resolve
 before committing a new user

---
 boot.php | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

(limited to 'boot.php')

diff --git a/boot.php b/boot.php
index baf1f4812..c90d05130 100644
--- a/boot.php
+++ b/boot.php
@@ -1160,13 +1160,25 @@ function validate_url(&$url) {
 		$url = 'http://' . $url;
 	$h = parse_url($url);
 
-	if(! $h) {
-		return false;
+	if(($h) && (checkdnsrr($h['host'], 'ANY'))) {
+		return true;
 	}
-	if(! checkdnsrr($h['host'], 'ANY')) {
+	return false;
+}}
+
+// checks that email is an actual resolvable internet address
+
+if(! function_exists('validate_email')) {
+function validate_email($addr) {
+
+	if(! strpos($addr,'@'))
 		return false;
+	$h = substr($addr,strpos($addr,'@') + 1);
+
+	if(($h) && (checkdnsrr($h, 'ANY'))) {
+		return true;
 	}
-	return true;
+	return false;
 }}
 
 // Check $url against our list of allowed sites,
-- 
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