From e12b0d27bb47aa6820e2a5cddc34a2ddeb1751c7 Mon Sep 17 00:00:00 2001
From: Michael Vogel <icarus@dabo.de>
Date: Sun, 8 Nov 2015 14:48:47 +0100
Subject: [PATCH] You can now search for @username@domain.tld in dirfind and
 the search will resolve that.

---
 include/text.php |  5 +++--
 mod/dirfind.php  | 35 +++++++++++++++++++++++++++++++++--
 2 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/include/text.php b/include/text.php
index f89a64a570..efc0d8b050 100644
--- a/include/text.php
+++ b/include/text.php
@@ -1020,8 +1020,9 @@ if(! function_exists('valid_email')) {
  */
 function valid_email($x){
 
-	if(get_config('system','disable_email_validation'))
-		return true;
+	// Removed because Fabio told me so.
+	//if(get_config('system','disable_email_validation'))
+	//	return true;
 
 	if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
 		return true;
diff --git a/mod/dirfind.php b/mod/dirfind.php
index 3df27e5fb7..d280ec0fc2 100644
--- a/mod/dirfind.php
+++ b/mod/dirfind.php
@@ -25,13 +25,19 @@ function dirfind_init(&$a) {
 function dirfind_content(&$a, $prefix = "") {
 
 	$community = false;
+	$discover_user = false;
 
 	$local = get_config('system','poco_local_search');
 
 	$search = $prefix.notags(trim($_REQUEST['search']));
 
-	if(strpos($search,'@') === 0)
+	if(strpos($search,'@') === 0) {
 		$search = substr($search,1);
+		if (valid_email($search)) {
+			$user_data = probe_url($search);
+			$discover_user = (in_array($user_data["network"], array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA)));
+		}
+	}
 
 	if(strpos($search,'!') === 0) {
 		$search = substr($search,1);
@@ -42,7 +48,32 @@ function dirfind_content(&$a, $prefix = "") {
 
 	if($search) {
 
-		if ($local) {
+		if ($discover_user) {
+			$j = new stdClass();
+			$j->total = $count[0]["total"];
+			$j->items_page = 1;
+			$j->page = $a->pager['page'];
+
+			$objresult = new stdClass();
+			$objresult->cid = 0;
+			$objresult->name = $user_data["name"];
+			$objresult->addr = $user_data["addr"];
+			$objresult->url = $user_data["url"];
+			$objresult->photo = $user_data["photo"];
+			$objresult->tags = "";
+			$objresult->network = $user_data["network"];
+
+			$contact = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
+					dbesc(normalise_link($user_data["url"])), intval(local_user()));
+			if ($contact)
+				$objresult->cid = $contact[0]["id"];
+
+
+			$j->results[] = $objresult;
+
+			poco_check($user_data["url"], $user_data["name"], $user_data["network"], $user_data["photo"],
+				"", "", "", "", "", datetime_convert(), 0);
+		} elseif ($local) {
 
 			if ($community)
 				$extra_sql = " AND `community`";