From a5125359d85afa056aee18a73692b6d1a587be47 Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Tue, 6 Sep 2011 18:06:19 -0700
Subject: [PATCH] faster friend requests (DFRN)

---
 boot.php             |  2 +-
 include/network.php  | 19 +++++++++++++------
 mod/dfrn_request.php |  9 +++++----
 3 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/boot.php b/boot.php
index b17d948601..9eabcd4efd 100644
--- a/boot.php
+++ b/boot.php
@@ -7,7 +7,7 @@ require_once('include/text.php');
 require_once("include/pgettext.php");
 
 
-define ( 'FRIENDIKA_VERSION',      '2.2.1094' );
+define ( 'FRIENDIKA_VERSION',      '2.2.1095' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.21'    );
 define ( 'DB_UPDATE_VERSION',      1087      );
 
diff --git a/include/network.php b/include/network.php
index 2832ae2d33..deb257ff3d 100644
--- a/include/network.php
+++ b/include/network.php
@@ -259,22 +259,29 @@ function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
 // or if the resultant personal XRD doesn't contain a supported 
 // subscription/friend-request attribute.
 
+// amended 7/9/2011 to return an hcard which could save potentially loading 
+// a lengthy content page to scrape dfrn attributes
+
 if(! function_exists('webfinger_dfrn')) {
-function webfinger_dfrn($s) {
+function webfinger_dfrn($s,&$hcard) {
 	if(! strstr($s,'@')) {
 		return $s;
 	}
+	$profile_link = '';
+
 	$links = webfinger($s);
 	logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
 	if(count($links)) {
-		foreach($links as $link)
+		foreach($links as $link) {
 			if($link['@attributes']['rel'] === NAMESPACE_DFRN)
-				return $link['@attributes']['href'];
-		foreach($links as $link)
+				$profile_link = $link['@attributes']['href'];
 			if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
-				return 'stat:' . $link['@attributes']['template'];		
+				$profile_link = 'stat:' . $link['@attributes']['template'];	
+			if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
+				$hcard = $link['@attributes']['href'];				
+		}
 	}
-	return '';
+	return $profile_link;
 }}
 
 // Given an email style address, perform webfinger lookup and 
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
index ce83001b48..5d789f480b 100644
--- a/mod/dfrn_request.php
+++ b/mod/dfrn_request.php
@@ -277,14 +277,15 @@ function dfrn_request_post(&$a) {
 
 		// Canonicalise email-style profile locator
 
-		$url = webfinger_dfrn($url);
+		$hcard = '';
+		$url = webfinger_dfrn($url,$hcard);
 
 		if(substr($url,0,5) === 'stat:') {
-			$network = 'stat';
+			$network = NETWORK_OSTATUS;
 			$url = substr($url,5);
 		}
 		else {
-			$network = 'dfrn';
+			$network = NETWORK_DFRN;
 		}
 
 		logger('dfrn_request: url: ' . $url);
@@ -342,7 +343,7 @@ function dfrn_request_post(&$a) {
 
 				require_once('Scrape.php');
 
-				$parms = scrape_dfrn($url);
+				$parms = scrape_dfrn(($hcard) ? $hcard : $url);
 
 				if(! count($parms)) {
 					notice( t('Profile location is not valid or does not contain profile information.') . EOL );