From ff43d62e445422a40271855dcd9933499da501fa Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Thu, 4 Oct 2012 03:13:57 -0700
Subject: add hash to channel structure for consistency/redundancy

---
 include/Contact.php  |  4 ++--
 include/identity.php | 20 ++++++++++++--------
 include/zot.php      |  2 +-
 3 files changed, 15 insertions(+), 11 deletions(-)

(limited to 'include')

diff --git a/include/Contact.php b/include/Contact.php
index 38c3c3203..9a6d6a973 100644
--- a/include/Contact.php
+++ b/include/Contact.php
@@ -25,12 +25,12 @@ function map_perms($channel,$zguid,$zsig) {
 			$is_contact = true;
 			$contact = $r[0];
 		}
-		$r = q("select * from channel where channel_global_id = '%s'",
+		$r = q("select * from channel where channel_guid = '%s'",
 			dbesc($zguid)
 		);
 		if($r && count($r)) {
 			foreach($r as $rr) {
-				if(base64url_encode(rsa_sign($rr['channel_global_id'],$rr['channel_prvkey'])) === $zsig) {
+				if(base64url_encode(rsa_sign($rr['channel_guid'],$rr['channel_prvkey'])) === $zsig) {
 					$is_site = true;
 					break;
 				}
diff --git a/include/identity.php b/include/identity.php
index 1c552a21a..23ceb74ae 100644
--- a/include/identity.php
+++ b/include/identity.php
@@ -51,25 +51,31 @@ function create_identity($arr) {
 	$guid = zot_new_uid($nick);
 	$key = new_keypair(4096);
 
+
+	$sig = base64url_encode(rsa_sign($guid,$key['prvkey']));
+	$hash = base64url_encode(hash('whirlpool',$guid . $sig,true));
+
 	$primary = true;
 		
 	$r = q("insert into channel ( channel_account_id, channel_primary, 
-		channel_name, channel_address, channel_global_id, channel_prvkey,
-		channel_pubkey, channel_pageflags )
-		values ( %d, %d, '%s', '%s', '%s', '%s', '%s', %d ) ",
+		channel_name, channel_address, channel_guid, channel_guid_sig,
+		channel_hash, channel_prvkey, channel_pubkey, channel_pageflags )
+		values ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d ) ",
 
 		intval($arr['account_id']),
 		intval($primary),
 		dbesc($name),
 		dbesc($nick),
 		dbesc($guid),
+		dbesc($sig),
+		dbesc($hash),
 		dbesc($key['prvkey']),
 		dbesc($key['pubkey']),
 		intval(PAGE_NORMAL)
 	);
 			
 	$r = q("select * from channel where channel_account_id = %d 
-		and channel_global_id = '%s' limit 1",
+		and channel_guid = '%s' limit 1",
 		intval($arr['account_id']),
 		dbesc($guid)
 	);
@@ -83,15 +89,13 @@ function create_identity($arr) {
 
 	set_default_login_identity($arr['account_id'],$ret['channel']['channel_id'],false);
 
-	$sig = base64url_encode(rsa_sign($ret['channel']['channel_global_id'],$ret['channel']['channel_prvkey']));
-	$hash = base64url_encode(hash('whirlpool',$ret['channel']['channel_global_id'] . $sig,true));
 
 	// Create a verified hub location pointing to this site.
 
 	$r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_flags, 
 		hubloc_url, hubloc_url_sig, hubloc_callback, hubloc_sitekey )
 		values ( '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s' )",
-		dbesc($ret['channel']['channel_global_id']),
+		dbesc($guid),
 		dbesc($sig),
 		dbesc($hash),
 		intval(($primary) ? HUBLOC_FLAGS_PRIMARY : 0),
@@ -108,7 +112,7 @@ function create_identity($arr) {
 
 	$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_photo, xchan_addr, xchan_profile, xchan_name ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s')",
 		dbesc($hash),
-		dbesc($ret['channel']['channel_global_id']),
+		dbesc($ret['channel']['channel_guid']),
 		dbesc($sig),
 		dbesc($a->get_baseurl() . "/photo/profile/{$newuid}"),
 		dbesc($ret['channel']['channel_address'] . '@' . $a->get_hostname()),
diff --git a/include/zot.php b/include/zot.php
index 8f76e78b1..e041e273e 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -62,7 +62,7 @@ function zot_verify(&$item,$identity) {
 function zot_notify($channel,$url) {
 	$x = z_post_url($url, array(
 		'type' => 'notify',
-		'guid' => $channel['channel_global_id'],
+		'guid' => $channel['channel_guid'],
 		'guid_sig' => base64url_encode($guid,$channel['prvkey']),
 		'hub' => z_root(),
 		'hub_sig' => base64url_encode(z_root,$channel['prvkey']), 
-- 
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