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hubzilla_ynh/sources/addon/diaspora/diaspora.php
2016-06-22 23:26:29 +05:30

792 lines
24 KiB
PHP
Executable file

<?php
/**
* Name: Diaspora Protocol
* Description: Diaspora Protocol (Experimental, Unsupported)
* Version: 1.0
* Author: Mike Macgirvin
* Maintainer: none
*/
require_once('include/crypto.php');
require_once('include/items.php');
require_once('include/bb2diaspora.php');
require_once('include/queue_fn.php');
require_once('addon/diaspora/inbound.php');
require_once('addon/diaspora/outbound.php');
require_once('addon/diaspora/util.php');
function diaspora_load() {
register_hook('notifier_hub', 'addon/diaspora/diaspora.php', 'diaspora_process_outbound');
register_hook('notifier_process', 'addon/diaspora/diaspora.php', 'diaspora_notifier_process');
register_hook('permissions_create', 'addon/diaspora/diaspora.php', 'diaspora_permissions_create');
register_hook('permissions_update', 'addon/diaspora/diaspora.php', 'diaspora_permissions_update');
register_hook('module_loaded', 'addon/diaspora/diaspora.php', 'diaspora_load_module');
register_hook('follow_allow', 'addon/diaspora/diaspora.php', 'diaspora_follow_allow');
register_hook('feature_settings_post', 'addon/diaspora/diaspora.php', 'diaspora_feature_settings_post');
register_hook('feature_settings', 'addon/diaspora/diaspora.php', 'diaspora_feature_settings');
register_hook('post_local','addon/diaspora/diaspora.php','diaspora_post_local');
register_hook('well_known','addon/diaspora/diaspora.php','diaspora_well_known');
if(! get_config('diaspora','relay_handle')) {
$x = import_author_diaspora(array('address' => 'relay@relay.iliketoast.net'));
if($x) {
set_config('diaspora','relay_handle',$x);
// Now register
$url = "http://the-federation.info/register/" . App::get_hostname();
$ret = z_fetch_url($url);
}
}
}
function diaspora_unload() {
unregister_hook('notifier_hub', 'addon/diaspora/diaspora.php', 'diaspora_process_outbound');
unregister_hook('notifier_process', 'addon/diaspora/diaspora.php', 'diaspora_notifier_process');
unregister_hook('permissions_create', 'addon/diaspora/diaspora.php', 'diaspora_permissions_create');
unregister_hook('permissions_update', 'addon/diaspora/diaspora.php', 'diaspora_permissions_update');
unregister_hook('module_loaded', 'addon/diaspora/diaspora.php', 'diaspora_load_module');
unregister_hook('follow_allow', 'addon/diaspora/diaspora.php', 'diaspora_follow_allow');
unregister_hook('feature_settings_post', 'addon/diaspora/diaspora.php', 'diaspora_feature_settings_post');
unregister_hook('feature_settings', 'addon/diaspora/diaspora.php', 'diaspora_feature_settings');
unregister_hook('post_local','addon/diaspora/diaspora.php','diaspora_post_local');
unregister_hook('well_known','addon/diaspora/diaspora.php','diaspora_well_known');
}
function diaspora_load_module(&$a, &$b) {
if($b['module'] === 'receive') {
require_once('addon/diaspora/receive.php');
$b['installed'] = true;
}
if($b['module'] === 'p') {
require_once('addon/diaspora/p.php');
$b['installed'] = true;
}
}
function diaspora_well_known(&$a,&$b) {
if(argc() > 1 && argv(1) === 'x-social-relay') {
$disabled = (get_config('system','disable_discover_tab') || get_config('system','disable_diaspora_discover_tab'));
$scope = 'all';
$tags = get_config('diaspora','relay_tags');
if($tags) {
$disabled = false;
$scope = 'tags';
}
$arr = array(
'subscribe' => (($disabled) ? false : true),
'scope' => $scope
);
if($tags)
$arr['tags'] = $tags;
header('Content-type: application/json');
echo json_encode($arr);
killme();
}
}
function diaspora_permissions_create(&$a,&$b) {
if($b['recipient']['xchan_network'] === 'diaspora' || $b['recipient']['xchan_network'] === 'friendica-over-diaspora') {
$b['deliveries'] = diaspora_share($b['sender'],$b['recipient']);
if($b['deliveries'])
$b['success'] = 1;
}
}
function diaspora_permissions_update(&$a,&$b) {
if($b['recipient']['xchan_network'] === 'diaspora' || $b['recipient']['xchan_network'] === 'friendica-over-diaspora') {
discover_by_webbie($b['recipient']['xchan_hash']);
$b['success'] = 1;
}
}
function diaspora_notifier_process(&$a,&$arr) {
// if it is a public post (reply, etc.), add the chosen relay channel to the recipients
// If target_item isn't set it's likely to be refresh packet.
if(! ((array_key_exists('target_item',$arr)) && (is_array($arr['target_item'])))) {
return;
}
// If item_wall doesn't exist, it's not a post - perhaps an email or other DB object
if(! array_key_exists('item_wall',$arr['target_item']))
return;
if(($arr['normal_mode']) && (! $arr['env_recips']) && (! $arr['private']) && (! $arr['relay_to_owner'])) {
$relay = get_config('diaspora','relay_handle');
if($relay) {
$arr['recipients'][] = "'" . $relay . "'";
}
}
}
function diaspora_process_outbound(&$a, &$arr) {
/*
We are passed the following array from the notifier, providing everything we need to make delivery decisions.
$arr = array(
'channel' => $channel,
'env_recips' => $env_recips,
'packet_recips' => $packet_recips,
'recipients' => $recipients,
'item' => $item,
'target_item' => $target_item,
'hub' => $hub,
'top_level_post' => $top_level_post,
'private' => $private,
'relay_to_owner' => $relay_to_owner,
'uplink' => $uplink,
'cmd' => $cmd,
'mail' => $mail,
'location' => $location,
'normal_mode' => $normal_mode,
'packet_type' => $packet_type,
'walltowall' => $walltowall,
'queued' => pass these queued items (outq_hash) back to notifier.php for delivery
);
*/
// logger('notifier_array: ' . print_r($arr,true), LOGGER_ALL, LOG_INFO);
// allow this to be set per message
if(strpos($arr['target_item']['postopts'],'nodspr') !== false)
return;
$allowed = get_pconfig($arr['channel']['channel_id'],'system','diaspora_allowed');
if(! intval($allowed)) {
logger('mod-diaspora: disallowed for channel ' . $arr['channel']['channel_name']);
return;
}
if($arr['location'])
return;
// send to public relay server - not ready for prime time
if(($arr['top_level_post']) && (! $arr['env_recips'])) {
// Add the relay server to the list of hubs.
// = array('hubloc_callback' => 'https://relay.iliketoast.net/receive', 'xchan_pubkey' => 'bogus');
}
$target_item = $arr['target_item'];
if($target_item && array_key_exists('item_obscured',$target_item) && intval($target_item['item_obscured'])) {
$key = get_config('system','prvkey');
if($target_item['title'])
$target_item['title'] = crypto_unencapsulate(json_decode($target_item['title'],true),$key);
if($target_item['body'])
$target_item['body'] = crypto_unencapsulate(json_decode($target_item['body'],true),$key);
}
$prv_recips = $arr['env_recips'];
// The Diaspora profile message is unusual in that it is sent privately.
if($arr['cmd'] === 'refresh_all' && $arr['recipients']) {
$prv_recips = array();
foreach($arr['recipients'] as $r) {
$prv_recips[] = array('hash' => trim($r,"'"));
}
}
if($prv_recips) {
$hashes = array();
// re-explode the recipients, but only for this hub/pod
foreach($prv_recips as $recip)
$hashes[] = "'" . $recip['hash'] . "'";
$r = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_url = '%s'
and xchan_hash in (" . implode(',', $hashes) . ") and xchan_network in ('diaspora', 'friendica-over-diaspora') ",
dbesc($arr['hub']['hubloc_url'])
);
if(! $r) {
logger('diaspora_process_outbound: no recipients');
return;
}
foreach($r as $contact) {
if(! deliverable_singleton($arr['channel']['channel_id'],$contact)) {
logger('not deliverable from this hub');
continue;
}
if($arr['packet_type'] == 'refresh') {
$qi = diaspora_profile_change($arr['channel'],$contact);
if($qi)
$arr['queued'][] = $qi;
return;
}
if($arr['mail']) {
$qi = diaspora_send_mail($arr['item'],$arr['channel'],$contact);
if($qi)
$arr['queued'][] = $qi;
continue;
}
if(! $arr['normal_mode'])
continue;
// special handling for send_upstream to public post
// all other public posts processed as public batches further below
if((! $arr['private']) && ($arr['relay_to_owner'])) {
$qi = diaspora_send_upstream($target_item,$arr['channel'],$contact, true);
if($qi)
$arr['queued'][] = $qi;
continue;
}
if(! $contact['xchan_pubkey'])
continue;
if(intval($target_item['item_deleted'])
&& (($target_item['mid'] === $target_item['parent_mid']) || $arr['relay_to_owner'])) {
// send both top-level retractions and relayable retractions for owner to relay
$qi = diaspora_send_retraction($target_item,$arr['channel'],$contact);
if($qi)
$arr['queued'][] = $qi;
continue;
}
elseif($arr['relay_to_owner']) {
// send comments and likes to owner to relay
$qi = diaspora_send_upstream($target_item,$arr['channel'],$contact);
if($qi)
$arr['queued'][] = $qi;
continue;
}
elseif($target_item['mid'] !== $target_item['parent_mid']) {
// we are the relay - send comments, likes and relayable_retractions
// (of comments and likes) to our conversants
$qi = diaspora_send_downstream($target_item,$arr['channel'],$contact);
if($qi)
$arr['queued'][] = $qi;
continue;
}
elseif($arr['top_level_post']) {
$qi = diaspora_send_status($target_item,$arr['channel'],$contact);
if($qi) {
foreach($qi as $q)
$arr['queued'][] = $q;
}
continue;
}
}
}
else {
// public message
$contact = $arr['hub'];
if(intval($target_item['item_deleted'])
&& ($target_item['mid'] === $target_item['parent_mid'])) {
// top-level retraction
logger('delivery: diaspora retract: ' . $loc);
$qi = diaspora_send_retraction($target_item,$arr['channel'],$contact,true);
if($qi)
$arr['queued'][] = $qi;
return;
}
elseif($target_item['mid'] !== $target_item['parent_mid']) {
// we are the relay - send comments, likes and relayable_retractions to our conversants
logger('delivery: diaspora relay: ' . $loc);
$qi = diaspora_send_downstream($target_item,$arr['channel'],$contact,true);
if($qi)
$arr['queued'][] = $qi;
return;
}
elseif($arr['top_level_post']) {
if(perm_is_allowed($arr['channel'],'','view_stream')) {
logger('delivery: diaspora status: ' . $loc);
$qi = diaspora_send_status($target_item,$arr['channel'],$contact,true);
if($qi) {
foreach($qi as $q)
$arr['queued'][] = $q;
}
return;
}
}
}
}
function diaspora_queue($owner,$contact,$slap,$public_batch,$message_id = '') {
$allowed = get_pconfig($owner['channel_id'],'system','diaspora_allowed');
if($allowed === false)
$allowed = 1;
if(! intval($allowed)) {
return false;
}
if($public_batch)
$dest_url = $contact['hubloc_callback'] . '/public';
else
$dest_url = $contact['hubloc_callback'] . '/users/' . $contact['hubloc_guid'];
logger('diaspora_queue: URL: ' . $dest_url, LOGGER_DEBUG);
if(intval(get_config('system','diaspora_test')) || intval(get_pconfig($owner['channel_id'],'system','diaspora_test')))
return false;
$a = get_app();
$hash = random_string();
logger('diaspora_queue: ' . $hash . ' ' . $dest_url, LOGGER_DEBUG);
queue_insert(array(
'hash' => $hash,
'account_id' => $owner['channel_account_id'],
'channel_id' => $owner['channel_id'],
'driver' => 'post',
'posturl' => $dest_url,
'notify' => '',
'msg' => $slap
));
if($message_id && (! get_config('system','disable_dreport'))) {
q("insert into dreport ( dreport_mid, dreport_site, dreport_recip, dreport_result, dreport_time, dreport_xchan, dreport_queue ) values ( '%s','%s','%s','%s','%s','%s','%s' ) ",
dbesc($message_id),
dbesc($dest_url),
dbesc($dest_url),
dbesc('queued'),
dbesc(datetime_convert()),
dbesc($owner['channel_hash']),
dbesc($hash)
);
}
return $hash;
}
function diaspora_follow_allow(&$a, &$b) {
if($b['xchan']['xchan_network'] !== 'diaspora' && $b['xchan']['xchan_network'] !== 'friendica-over-diaspora')
return;
$allowed = get_pconfig($b['channel_id'],'system','diaspora_allowed');
if($allowed === false)
$allowed = 1;
$b['allowed'] = $allowed;
$b['singleton'] = 1; // this network does not support channel clones
}
function diaspora_discover(&$a,&$b) {
require_once('include/network.php');
$result = array();
$network = null;
$diaspora = false;
$diaspora_base = '';
$diaspora_guid = '';
$diaspora_key = '';
$dfrn = false;
$x = old_webfinger($webbie);
if($x) {
logger('old_webfinger: ' . print_r($x,true));
foreach($x as $link) {
if($link['@attributes']['rel'] === NAMESPACE_DFRN)
$dfrn = unamp($link['@attributes']['href']);
if($link['@attributes']['rel'] === 'salmon')
$notify = unamp($link['@attributes']['href']);
if($link['@attributes']['rel'] === NAMESPACE_FEED)
$poll = unamp($link['@attributes']['href']);
if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
$hcard = unamp($link['@attributes']['href']);
if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
$profile = unamp($link['@attributes']['href']);
if($link['@attributes']['rel'] === 'http://portablecontacts.net/spec/1.0')
$poco = unamp($link['@attributes']['href']);
if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location') {
$diaspora_base = unamp($link['@attributes']['href']);
$diaspora = true;
}
if($link['@attributes']['rel'] === 'http://joindiaspora.com/guid') {
$diaspora_guid = unamp($link['@attributes']['href']);
$diaspora = true;
}
if($link['@attributes']['rel'] === 'diaspora-public-key') {
$diaspora_key = base64_decode(unamp($link['@attributes']['href']));
if(strstr($diaspora_key,'RSA '))
$pubkey = rsatopem($diaspora_key);
else
$pubkey = $diaspora_key;
$diaspora = true;
}
}
if($diaspora && $diaspora_base && $diaspora_guid) {
$guid = $diaspora_guid;
$diaspora_base = trim($diaspora_base,'/');
$notify = $diaspora_base . '/receive';
if(strpos($webbie,'@')) {
$addr = str_replace('acct:', '', $webbie);
$hostname = substr($webbie,strpos($webbie,'@')+1);
}
$network = 'diaspora';
// until we get a dfrn layer, we'll use diaspora protocols for Friendica,
// but give it a different network so we can go back and fix these when we get proper support.
// It really should be just 'friendica' but we also want to distinguish
// between Friendica sites that we can use D* protocols with and those we can't.
// Some Friendica sites will have Diaspora disabled.
if($dfrn)
$network = 'friendica-over-diaspora';
if($hcard) {
$vcard = scrape_vcard($hcard);
$vcard['nick'] = substr($webbie,0,strpos($webbie,'@'));
if(! $vcard['fn'])
$vcard['fn'] = $webbie;
}
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($addr)
);
/**
*
* Diaspora communications are notoriously unreliable and receiving profile update messages (indeed any messages)
* are pretty much random luck. We'll check the timestamp of the xchan_name_date at a higher level and refresh
* this record once a month; because if you miss a profile update message and they update their profile photo or name
* you're otherwise stuck with stale info until they change their profile again - which could be years from now.
*
*/
if($r) {
$r = q("update xchan set xchan_name = '%s', xchan_network = '%s', xchan_name_date = '%s' where xchan_hash = '%s' limit 1",
dbesc($vcard['fn']),
dbesc($network),
dbesc(datetime_convert()),
dbesc($addr)
);
}
else {
$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_pubkey, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
dbesc($addr),
dbesc($guid),
dbesc($pubkey),
dbesc($addr),
dbesc($profile),
dbesc($vcard['fn']),
dbesc($network),
dbescdate(datetime_convert())
);
}
$r = q("select * from hubloc where hubloc_hash = '%s' limit 1",
dbesc($webbie)
);
if(! $r) {
$r = q("insert into hubloc ( hubloc_guid, hubloc_hash, hubloc_addr, hubloc_network, hubloc_url, hubloc_host, hubloc_callback, hubloc_updated, hubloc_primary ) values ('%s','%s','%s','%s','%s','%s','%s','%s', 1)",
dbesc($guid),
dbesc($addr),
dbesc($addr),
dbesc($network),
dbesc(trim($diaspora_base,'/')),
dbesc($hostname),
dbesc($notify),
dbescdate(datetime_convert())
);
}
$photos = import_xchan_photo($vcard['photo'],$addr);
$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'",
dbescdate(datetime_convert('UTC','UTC',$arr['photo_updated'])),
dbesc($photos[0]),
dbesc($photos[1]),
dbesc($photos[2]),
dbesc($photos[3]),
dbesc($addr)
);
return true;
}
return false;
/*
$vcard['fn'] = notags($vcard['fn']);
$vcard['nick'] = str_replace(' ','',notags($vcard['nick']));
$result['name'] = $vcard['fn'];
$result['nick'] = $vcard['nick'];
$result['guid'] = $guid;
$result['url'] = $profile;
$result['hostname'] = $hostname;
$result['addr'] = $addr;
$result['batch'] = $batch;
$result['notify'] = $notify;
$result['poll'] = $poll;
$result['request'] = $request;
$result['confirm'] = $confirm;
$result['poco'] = $poco;
$result['photo'] = $vcard['photo'];
$result['priority'] = $priority;
$result['network'] = $network;
$result['alias'] = $alias;
$result['pubkey'] = $pubkey;
logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
return $result;
*/
/* Sample Diaspora result.
Array
(
[name] => Mike Macgirvin
[nick] => macgirvin
[guid] => a9174a618f8d269a
[url] => https://joindiaspora.com/u/macgirvin
[hostname] => joindiaspora.com
[addr] => macgirvin@joindiaspora.com
[batch] =>
[notify] => https://joindiaspora.com/receive
[poll] => https://joindiaspora.com/public/macgirvin.atom
[request] =>
[confirm] =>
[poco] =>
[photo] => https://joindiaspora.s3.amazonaws.com/uploads/images/thumb_large_fec4e6eef13ae5e56207.jpg
[priority] =>
[network] => diaspora
[alias] =>
[pubkey] => -----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----
)
*/
}
}
function diaspora_feature_settings_post(&$a,&$b) {
if($_POST['diaspora-submit']) {
set_pconfig(local_channel(),'system','diaspora_allowed',intval($_POST['dspr_allowed']));
set_pconfig(local_channel(),'system','diaspora_public_comments',intval($_POST['dspr_pubcomment']));
set_pconfig(local_channel(),'system','prevent_tag_hijacking',intval($_POST['dspr_hijack']));
$followed = $_POST['dspr_followed'];
$ntags = array();
if($followed) {
$tags = explode(',', $followed);
foreach($tags as $t) {
$t = trim($t);
if($t)
$ntags[] = $t;
}
}
set_pconfig(local_channel(),'diaspora','followed_tags',$ntags);
diaspora_build_relay_tags();
info( t('Diaspora Protocol Settings updated.') . EOL);
}
}
function diaspora_feature_settings(&$a,&$s) {
$dspr_allowed = get_pconfig(local_channel(),'system','diaspora_allowed');
$pubcomments = get_pconfig(local_channel(),'system','diaspora_public_comments');
if($pubcomments === false)
$pubcomments = 1;
$hijacking = get_pconfig(local_channel(),'system','prevent_tag_hijacking');
$followed = get_pconfig(local_channel(),'diaspora','followed_tags');
if(is_array($followed))
$hashtags = implode(',',$followed);
else
$hashtags = '';
$sc .= replace_macros(get_markup_template('field_checkbox.tpl'), array(
'$field' => array('dspr_allowed', t('Enable the (experimental) Diaspora protocol for this channel'), $dspr_allowed, '', $yes_no),
));
$sc .= replace_macros(get_markup_template('field_checkbox.tpl'), array(
'$field' => array('dspr_pubcomment', t('Allow any Diaspora member to comment on your public posts'), $pubcomments, '', $yes_no),
));
$sc .= replace_macros(get_markup_template('field_checkbox.tpl'), array(
'$field' => array('dspr_hijack', t('Prevent your hashtags from being redirected to other sites'), $hijacking, '', $yes_no),
));
$sc .= replace_macros(get_markup_template('field_input.tpl'), array(
'$field' => array('dspr_followed', t('Followed hashtags (comma separated, do not include the #)'), $hashtags, '')
));
$s .= replace_macros(get_markup_template('generic_addon_settings.tpl'), array(
'$addon' => array('diaspora', '<img src="addon/diaspost/diaspora.png" style="width:auto; height:1em; margin:-3px 5px 0px 0px;">' . t('Diaspora Protocol Settings'), '', t('Submit')),
'$content' => $sc
));
return;
}
function diaspora_post_local(&$a,&$item) {
/**
* If all the conditions are met, generate an instance of the Diaspora Comment Virus
*
* Previously all comments from any Hubzilla source (including those who have not opted in to
* Diaspora federation), were required to locally generate a Diaspora comment signature.
* The only exception was wall-to-wall posts which have no local signing authority.
*
* Going forward, if we are asked to propagate the virus and it is not present (due to the post author
* not opting in to Diaspora federation); we will generate a "wall-to-wall" comment and not require
* a source signature. This allows hubs and communities to opt-out of Diaspora federation and not be
* forced to generate the comment virus regardless. This is necessary because Diaspora now requires
* the virus not just to provide a stored signature and Diaspora formatted text body, but must also
* include all XML fields presented by the Diaspora protocol when transmitting the comment, while
* maintaining their source order. This is fine for federated communities using UNO, but it makes
* no sense to require this low-level baggage in channels and communities that have chosen not to use
* the Diaspora protocol and services.
*
*/
require_once('include/bb2diaspora.php');
if($item['mid'] === $item['parent_mid'])
return;
if($item['created'] != $item['edited'])
return;
$meta = null;
$author = channelx_by_hash($item['author_xchan']);
if($author) {
// The author has a local channel, If they have this connector installed,
// sign the comment and create a Diaspora Comment Virus.
$dspr_allowed = get_pconfig($author['channel_id'],'system','diaspora_allowed');
if(! $dspr_allowed)
return;
$handle = $author['channel_address'] . '@' . App::get_hostname();
$body = bb2diaspora_itembody($item,true,true);
$meta = array(
'guid' => $item['mid'],
'parent_guid' => $item['parent_mid'],
'text' => $body,
'diaspora_handle' => $handle
);
$meta['author_signature'] = diaspora_sign_fields($meta, $author['channel_prvkey']);
if($item['author_xchan'] === $item['owner_xchan'])
$meta['parent_author_signature'] = diaspora_sign_fields($meta,$author['channel_prvkey']);
}
if((! $meta) && ($item['author_xchan'] !== $item['owner_xchan'])) {
// A local comment arrived but the commenter does not have a local channel
// or the commenter doesn't have the Diaspora plugin enabled.
// The owner *should* have a local channel
// Find the owner and if the owner has this addon installed, turn the comment into
// a 'wall-to-wall' message containing the author attribution,
// with the comment signed by the owner.
$owner = channelx_by_hash($item['owner_xchan']);
if(! $owner)
return;
$dspr_allowed = get_pconfig($owner['channel_id'],'system','diaspora_allowed');
if(! $dspr_allowed)
return;
$handle = $owner['channel_address'] . '@' . App::get_hostname();
$body = bb2diaspora_itembody($item,true,false);
$meta = array(
'guid' => $item['mid'],
'parent_guid' => $item['parent_mid'],
'text' => $body,
'diaspora_handle' => $handle
);
$meta['author_signature'] = diaspora_sign_fields($meta, $owner['channel_prvkey']);
$meta['parent_author_signature'] = diaspora_sign_fields($meta,$owner['channel_prvkey']);
}
if($meta)
set_iconfig($item,'diaspora','fields', $meta, true);
// otherwise, neither the author or owner have this plugin installed. Do nothing.
// logger('ditem: ' . print_r($item,true));
}