From dd00fcc7bb3a3b50bd453fddb9a88b7f74d24140 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sat, 10 Nov 2012 20:08:07 -0800
Subject: starting to get into the hairy parts of zot - identity, location, and
 permission synchronisation. After this, messaging should be a piece of cake.

---
 include/zot.php | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 mod/post.php    | 35 +++++++++++++++++-------
 mod/zfinger.php |  6 ++---
 version.inc     |  2 +-
 4 files changed, 111 insertions(+), 16 deletions(-)

diff --git a/include/zot.php b/include/zot.php
index 3d1669c0f..1b8b8713a 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -59,9 +59,9 @@ function zot_verify(&$item,$identity) {
 
 
 
-function zot_notify($channel,$url) {
+function zot_notify($channel,$url,$type = 'notify') {
 	$x = z_post_url($url, array(
-		'type' => 'notify',
+		'type' => $type,
 		'guid' => $channel['channel_guid'],
 		'guid_sig' => base64url_encode($guid,$channel['prvkey']),
 		'hub' => z_root(),
@@ -125,6 +125,86 @@ function zot_finger($webbie,$channel) {
 
 }
 
+function zot_refresh($them,$channel) {
+
+	if($them['hubloc_url'])
+		$url = $them['hubloc_url'];
+	else {
+		$r = q("select hubloc_url from hubloc where hubloc_hash = '%s' and hubloc_flags & %d limit 1",
+			dbesc($them['xchan_hash']),
+			intval(HUBLOC_FLAGS_PRIMARY)
+		);
+		if($r)
+			$url = $r[0]['hubloc_url'];
+	}
+	if(! $url)
+		return;
+
+	if($them['xchan_hash'])
+		$guid_hash = $them['xchan_hash'];
+	
+	if(! $guid_hash)
+		return;
+	
+	$rhs = '/.well-known/zot-guid';
+
+	$postvars = array(
+		'guid_hash'  => $guid_hash,
+		'target'     => $channel['channel_guid'],
+		'target_sig' => $channel['channel_guid_sig'],
+		'key'        => $channel['channel_pubkey']
+	);
+	$result = z_post_url($url . $rhs,$postvars);
+	
+	if($result['success']) {
+
+		$j = json_decode($result['body']);
+
+		$x = import_xchan_from_json($j);
+
+		if(! $x['success']) 
+			return $x;
+
+		$xchan_hash = $x['hash'];
+
+		$their_perms = 0;
+
+		$global_perms = get_perms();
+
+		if($j->permissions->data) {
+			$permissions = aes_unencapsulate(array(
+				'data' => $j->permissions->data,
+				'key'  => $j->permissions->key,
+				'iv'   => $j->permissions->iv),
+				$channel['channel_prvkey']);
+			if($permissions)
+				$permissions = json_decode($permissions);
+			logger('decrypted permissions: ' . print_r($permissions,true), LOGGER_DATA);
+		}
+		else
+			$permissions = $j->permissions;
+
+		foreach($permissions as $k => $v) {
+			if($v) {
+				$their_perms = $their_perms | intval($global_perms[$k][1]);
+			}
+		}
+
+		$r = q("update abook set their_perms = %d where abook_xchan = '%s' and abook_channel = %d limit 1",
+			intval($their_perms),
+			dbesc($channel['channel_hash']),
+			intval($channel['channel_id'])
+		);
+		if(! $r)
+			logger('abook update failed');
+	
+		return true;
+
+	}
+	return false;
+
+}
+
 		
 function zot_gethub($arr) {
 
diff --git a/mod/post.php b/mod/post.php
index a33c44e57..ef94c9b5d 100644
--- a/mod/post.php
+++ b/mod/post.php
@@ -13,18 +13,33 @@ function post_post(&$a) {
 
 	$msgtype = ((x($_REQUEST,'type')) ? $_REQUEST['type'] : '');
 
-	if($msgtype === 'notify') {
-
-		$hub = zot_gethub($_REQUEST);
-		if(! $hub) {
-			$result = zot_register_hub($_REQUEST);
-			if((! $result) || (! zot_gethub($_REQUEST))) {
-				$ret['message'] = 'Hub not available.';
-				json_return_and_die($ret);
-			}
+	$hub = zot_gethub($_REQUEST);
+	if(! $hub) {
+		$result = zot_register_hub($_REQUEST);
+		if((! $result) || (! zot_gethub($_REQUEST))) {
+			$ret['message'] = 'Hub not available.';
+			json_return_and_die($ret);
 		}
+	}
+
+	// check which hub is primary and take action if mismatched
+
+
+	if($msgtype === 'refresh') {
+
+		// Need to pass the recipient in the message
+
+		// look up recipient
+
+		// format args
+		// $r = zot_refresh($them,$channel);
+
+		return;
+
+	}
+
+	if($msgtype === 'notify') {
 
-		// check which hub is primary and take action if mismatched
 
 		// add to receive queue
 		// qreceive_add($_REQUEST);
diff --git a/mod/zfinger.php b/mod/zfinger.php
index 80411d16c..cc4b8cdd3 100644
--- a/mod/zfinger.php
+++ b/mod/zfinger.php
@@ -7,7 +7,7 @@ function zfinger_init(&$a) {
 
 	$ret = array('success' => false);
 
-	$zguid   = ((x($_REQUEST,'guid'))        ? $_REQUEST['guid']       : '');
+	$zhash   = ((x($_REQUEST,'guid_hash'))   ? $_REQUEST['guid_hash']  : '');
 	$zaddr   = ((x($_REQUEST,'address'))     ? $_REQUEST['address']    : '');
 	$ztarget = ((x($_REQUEST,'target'))      ? $_REQUEST['target']     : '');
 	$zsig    = ((x($_REQUEST,'target_sig'))  ? $_REQUEST['target_sig'] : '');
@@ -25,8 +25,8 @@ function zfinger_init(&$a) {
 
 	if(strlen($zguid)) {
 		$r = q("select channel.*, xchan.* from channel left join xchan on channel_hash = xchan_hash 
-			where channel_guid = '%s' limit 1",
-			dbesc($zguid)
+			where channel_hash = '%s' limit 1",
+			dbesc($zhash)
 		);
 	}
 	elseif(strlen($zaddr)) {
diff --git a/version.inc b/version.inc
index 6b7181576..f4b5b2086 100644
--- a/version.inc
+++ b/version.inc
@@ -1 +1 @@
-2012-11-09.133
+2012-11-10.134
-- 
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