From 61246cbd1c5abe15bf3a0c4f52d3063966293ec2 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sun, 29 Jan 2012 15:47:25 -0800
Subject: some zot-id infrastructure

---
 mod/redir.php | 79 +++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 47 insertions(+), 32 deletions(-)

(limited to 'mod/redir.php')

diff --git a/mod/redir.php b/mod/redir.php
index eb9702b04..9223e5483 100755
--- a/mod/redir.php
+++ b/mod/redir.php
@@ -2,44 +2,59 @@
 
 function redir_init(&$a) {
 
-	if((! local_user()) || (! ($a->argc == 2)) || (! intval($a->argv[1])))
-		goaway(z_root());
-	$cid = $a->argv[1];
 	$url = ((x($_GET,'url')) ? $_GET['url'] : '');
 
-	$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
-		intval($cid),
-		intval(local_user())
-	);
+	// traditional DFRN
 
-	if((! count($r)) || ($r[0]['network'] !== 'dfrn'))
-		goaway(z_root());
+	if(local_user() && $a->argc == 2 && intval($a->argv[1])) {
 
-	$dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
+		$cid = $a->argv[1];
 
-	if($r[0]['duplex'] && $r[0]['issued-id']) {
-		$orig_id = $r[0]['issued-id'];
-		$dfrn_id = '1:' . $orig_id;
+		$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+			intval($cid),
+			intval(local_user())
+		);
+
+		if((! count($r)) || ($r[0]['network'] !== NETWORK_DFRN))
+			goaway(z_root());
+
+		$dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
+
+		if($r[0]['duplex'] && $r[0]['issued-id']) {
+			$orig_id = $r[0]['issued-id'];
+			$dfrn_id = '1:' . $orig_id;
+		}
+		if($r[0]['duplex'] && $r[0]['dfrn-id']) {
+			$orig_id = $r[0]['dfrn-id'];
+			$dfrn_id = '0:' . $orig_id;
+		}
+
+		$sec = random_string();
+
+		q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`)
+			VALUES( %d, %s, '%s', '%s', %d )",
+			intval(local_user()),
+			intval($cid),
+			dbesc($dfrn_id),
+			dbesc($sec),
+			intval(time() + 45)
+		);
+
+		logger('mod_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG); 
+		$dest = (($url) ? '&destination_url=' . $url : '');
+		goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id 
+			. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest );
 	}
-	if($r[0]['duplex'] && $r[0]['dfrn-id']) {
-		$orig_id = $r[0]['dfrn-id'];
-		$dfrn_id = '0:' . $orig_id;
+
+	if(local_user())
+		$handle = $a->user['nickname'] . '@' . substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3);
+	if(remote_user())
+		$handle = $_SESSION['handle'];
+
+	if($url) {
+		$url = str_replace('{zid}','&zid=' . $handle,$url);
+		goaway($url);
 	}
 
-	$sec = random_string();
-
-	q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`)
-		VALUES( %d, %s, '%s', '%s', %d )",
-		intval(local_user()),
-		intval($cid),
-		dbesc($dfrn_id),
-		dbesc($sec),
-		intval(time() + 45)
-	);
-
-	logger('mod_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG); 
-	$dest = (($url) ? '&destination_url=' . $url : '');
-	goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id 
-		. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest );
-	
+	goaway(z_root());
 }
-- 
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