put all dns checking into one function, allow it to be ignored

4 files changed, 23 insertions, 9 deletions

diff --git a/include/conversation.php b/include/conversation.php
index 154a9f82d..02c61b688 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -414,8 +414,8 @@ function visible_activity($item) {
 		}
 	}
 
-	if(is_edit_activity($item))
-		return false;
+//	if(is_edit_activity($item))
+//		return false;
 
 	return true;
 }
diff --git a/include/dba/dba_driver.php b/include/dba/dba_driver.php
index 6fb0e79cc..0b5f085af 100755
--- a/include/dba/dba_driver.php
+++ b/include/dba/dba_driver.php
@@ -183,7 +183,7 @@ abstract class dba_driver {
 		}
 
 		if(strlen($server) && ($server !== 'localhost') && ($server !== '127.0.0.1') && (! strpbrk($server,':;'))) {
-			if((! dns_get_record($server, DNS_A + DNS_CNAME + DNS_PTR)) && (! filter_var($server, FILTER_VALIDATE_IP))) {
+			if(! z_dns_check($server)) {
 				$this->error = sprintf( t('Cannot locate DNS info for database server \'%s\''), $server);
 				$this->connected = false;
 				$this->db = null;
diff --git a/include/items.php b/include/items.php
index cb8a00c33..bb78af930 100755
--- a/include/items.php
+++ b/include/items.php
@@ -4522,15 +4522,12 @@ function item_create_edit_activity($post) {
 	$new_item['body'] .= "\n\n";
 	$new_item['body'] .= $update_item['body'];
 
-	$new_item['title'] = $update_item['title'];
-
 	$new_item['verb'] = ACTIVITY_UPDATE;
 	$new_item['item_thread_top'] = 0;
+	$new_item['created'] = $new_item['edited'] = datetime_convert();
 
 	$x = post_activity_item($new_item);	
 
-	logger('posted edit activity');
-
 	$post_id = $x['id'];
 	if($post_id) {
 		$r = q("select * from item where id = %d",
diff --git a/include/network.php b/include/network.php
index 6411d6ddf..8c118eff3 100644
--- a/include/network.php
+++ b/include/network.php
@@ -480,6 +480,23 @@ function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
 		}
 }
 
+
+
+function z_dns_check($h,$check_mx = 0) {
+
+	// dns_get_record() has issues on some platforms
+	// so allow somebody to ignore it completely
+
+	if(get_config('system','do_not_check_dns'))
+		return true;
+
+	$opts = DNS_A + DNS_CNAME + DNS_PTR;
+	if($check_mx)
+		$opts += DNS_MX;
+	return((@dns_get_record($h, $opts) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
+
+}
+
 // Take a URL from the wild, prepend http:// if necessary
 // and check DNS to see if it's real (or check if is a valid IP address)
 // return true if it's OK, false if something is wrong with it
@@ -494,7 +511,7 @@ function validate_url(&$url) {
 		$url = 'http://' . $url;
 	$h = @parse_url($url);
 
-	if(($h) && (@dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR) || filter_var($h['host'], FILTER_VALIDATE_IP) )) {
+	if(($h) && z_dns_check($h['host'])) {
 		return true;
 	}
 	return false;
@@ -512,7 +529,7 @@ function validate_email($addr) {
 		return false;
 	$h = substr($addr,strpos($addr,'@') + 1);
 
-	if(($h) && (@dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
+	if(($h) && z_dns_check($h,true)) {
 		return true;
 	}
 	return false;