860 lines
23 KiB
PHP
860 lines
23 KiB
PHP
<?php
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require_once('include/crypto.php');
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require_once('include/items.php');
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/**
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*
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* @function zot_new_uid($channel_nick)
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* @channel_id = unique nickname of controlling entity
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* @returns string
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*
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*/
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function zot_new_uid($channel_nick) {
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$rawstr = z_root() . '/' . $channel_nick . '.' . mt_rand();
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return(base64url_encode(hash('whirlpool',$rawstr,true),true));
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}
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/**
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*
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* Given an array of zot_uid(s), return all distinct hubs
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* If primary is true, return only primary hubs
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* Result is ordered by url to assist in batching.
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* Return only the first primary hub as there should only be one.
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*
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*/
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function zot_get_hubloc($arr,$primary = false) {
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$tmp = '';
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if(is_array($arr)) {
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foreach($arr as $e) {
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if(strlen($tmp))
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$tmp .= ',';
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$tmp .= "'" . dbesc($e) . "'" ;
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}
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}
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if(! strlen($tmp))
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return array();
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$sql_extra = (($primary) ? " and hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) : "" );
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$limit = (($primary) ? " limit 1 " : "");
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return q("select * from hubloc where hubloc_hash in ( $tmp ) $sql_extra order by hubloc_url $limit");
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}
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function zot_notify($channel,$url,$type = 'notify',$recipients = null, $remote_key = null) {
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// FIXME json encode all params
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// build the packet externally so that here we really are doing just a zot of the packet.
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$params = array(
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'type' => $type,
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'sender' => json_encode(array(
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'guid' => $channel['channel_guid'],
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'guid_sig' => base64url_encode(rsa_sign($channel['channel_guid'],$channel['channel_prvkey'])),
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'url' => z_root(),
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'url_sig' => base64url_encode(rsa_sign(z_root(),$channel['channel_prvkey']))
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)),
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'callback' => '/post',
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'version' => ZOT_REVISION
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);
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if($recipients)
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$params['recipients'] = json_encode($recipients);
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// Hush-hush ultra top-secret mode
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if($remote_key) {
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$params = aes_encapsulate($params,$remote_key);
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}
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$x = z_post_url($url,$params);
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return($x);
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}
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/*
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*
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* zot_build_packet builds a notification packet that you can either
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* store in the queue with a message array or call zot_zot to immediately
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* zot it to the other side
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*
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*/
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function zot_build_packet($channel,$type = 'notify',$recipients = null, $remote_key = null, $secret = null) {
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$data = array(
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'type' => $type,
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'sender' => array(
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'guid' => $channel['channel_guid'],
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'guid_sig' => base64url_encode(rsa_sign($channel['channel_guid'],$channel['channel_prvkey'])),
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'url' => z_root(),
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'url_sig' => base64url_encode(rsa_sign(z_root(),$channel['channel_prvkey']))
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),
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'callback' => '/post',
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'version' => ZOT_REVISION
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);
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if($recipients)
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$data['recipients'] = $recipients;
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if($secret)
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$data['secret'] = $secret;
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logger('zot_build_packet: ' . print_r($data,true));
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// Hush-hush ultra top-secret mode
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if($remote_key) {
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$data = aes_encapsulate(json_encode($data),$remote_key);
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}
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return json_encode($data);
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}
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function zot_zot($url,$data) {
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return z_post_url($url,array('data' => $data));
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}
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function zot_finger($webbie,$channel) {
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if(strpos($webbie,'@') === false) {
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$address = $webbie;
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$host = get_app()->get_hostname();
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}
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else {
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$address = substr($webbie,0,strpos($webbie,'@'));
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$host = substr($webbie,strpos($webbie,'@')+1);
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}
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$xchan_addr = $address . '@' . $host;
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$r = q("select xchan.*, hubloc.* from xchan
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left join hubloc on xchan_hash = hubloc_hash
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where xchan_addr = '%s' and (hubloc_flags & %d) limit 1",
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dbesc($xchan_address),
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intval(HUBLOC_FLAGS_PRIMARY)
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);
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if($r) {
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$url = $r[0]['hubloc_url'];
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}
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else {
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$url = 'https://' . $host;
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}
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$rhs = '/.well-known/zot-info';
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if($channel) {
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$postvars = array(
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'address' => $address,
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'target' => $channel['channel_guid'],
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'target_sig' => $channel['channel_guid_sig'],
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'key' => $channel['channel_pubkey']
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);
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$result = z_post_url($url . $rhs,$postvars);
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if(! $result['success'])
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$result = z_post_url('http://' . $host . $rhs,$postvars);
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}
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else {
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$rhs .= 'address=' . urlencode($address);
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$result = z_fetch_url($url . $rhs);
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if(! $result['success'])
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$result = z_fetch_url('http://' . $host . $rhs);
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}
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return $result;
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}
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function zot_refresh($them,$channel = null) {
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if($them['hubloc_url'])
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$url = $them['hubloc_url'];
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else {
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$r = q("select hubloc_url from hubloc where hubloc_hash = '%s' and hubloc_flags & %d limit 1",
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dbesc($them['xchan_hash']),
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intval(HUBLOC_FLAGS_PRIMARY)
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);
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if($r)
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$url = $r[0]['hubloc_url'];
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}
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if(! $url)
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return;
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$postvars = array();
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if($channel) {
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$postvars['target'] = $channel['channel_guid'];
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$postvars['target_sig'] = $channel['channel_guid_sig'];
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$postvars['key'] = $channel['channel_pubkey'];
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}
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if(array_key_exists('xchan_addr',$them) && $them['xchan_addr'])
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$postvars['address'] = $them['xchan_addr'];
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if(array_key_exists('xchan_hash',$them) && $them['xchan_hash'])
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$postvars['guid_hash'] = $them['xchan_hash'];
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if(array_key_exists('xchan_guid',$them) && $them['xchan_guid']
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&& array_key_exists('xchan_guid_sig',$them) && $them['xchan_guid_sig']) {
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$postvars['guid'] = $them['xchan_guid'];
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$postvars['guid_sig'] = $them['xchan_guid_sig'];
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}
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$rhs = '/.well-known/zot-info';
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$result = z_post_url($url . $rhs,$postvars);
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if($result['success']) {
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$j = json_decode($result['body'],true);
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$x = import_xchan($j);
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if(! $x['success'])
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return $x;
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$xchan_hash = $x['hash'];
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$their_perms = 0;
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if($channel) {
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$global_perms = get_perms();
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if($j['permissions']['data']) {
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$permissions = aes_unencapsulate(array(
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'data' => $j['permissions']['data'],
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'key' => $j['permissions']['key'],
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'iv' => $j['permissions']['iv']),
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$channel['channel_prvkey']);
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if($permissions)
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$permissions = json_decode($permissions,true);
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logger('decrypted permissions: ' . print_r($permissions,true), LOGGER_DATA);
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}
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else
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$permissions = $j['permissions'];
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foreach($permissions as $k => $v) {
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if($v) {
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$their_perms = $their_perms | intval($global_perms[$k][1]);
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}
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}
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$r = q("select * from abook where abook_xchan = '%s' and abook_channel = %d and not (abook_flags & %d) limit 1",
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dbesc($x['hash']),
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intval($channel['channel_id']),
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intval(ABOOK_FLAG_SELF)
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);
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if($r) {
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$y = q("update abook set abook_their_perms = %d
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where abook_xchan = '%s' and abook_channel = %d
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and not (abook_flags & %d) limit 1",
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intval($their_perms),
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dbesc($x['hash']),
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intval($channel['channel_id']),
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intval(ABOOK_FLAG_SELF)
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);
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if(! $y)
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logger('abook update failed');
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}
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else {
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$default_perms = 0;
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// look for default permissions to apply in return - e.g. auto-friend
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$z = q("select * from abook where abook_channel = %d and (abook_flags & %d) limit 1",
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intval($channel['channel_id']),
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intval(ABOOK_FLAG_SELF)
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);
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if($z)
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$default_perms = intval($z[0]['my_perms']);
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$y = q("insert into abook ( abook_account, abook_channel, abook_xchan, abook_their_perms, abook_my_perms, abook_created, abook_updated, abook_flags ) values ( %d, %d, '%s', %d, '%s', '%s', %d )",
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intval($channel['channel_account_id']),
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intval($channel['channel_id']),
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dbesc($x['hash']),
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intval($their_perms),
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intval($default_perms),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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intval(($default_perms) ? 0 : ABOOK_FLAG_BLOCKED|ABOOK_FLAG_IGNORED|ABOOK_FLAG_PENDING)
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);
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if($y) {
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logger("New introduction received for {$channel['channel_name']}");
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if($default_perms) {
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// send back a permissions update for auto-friend/auto-permissions
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$z = q("select * from abook where abook_xchan = '%s' and abook_channel = %d and not (abook_flags & %d) limit 1",
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dbesc($x['hash']),
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intval($channel['channel_id']),
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intval(ABOOK_FLAG_SELF)
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);
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if($z)
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proc_run('php','include/notifier.php','permissions_update',$z[0]['abook_id']);
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}
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}
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}
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}
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return true;
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}
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return false;
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}
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function zot_gethub($arr) {
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if($arr['guid'] && $arr['guid_sig'] && $arr['url'] && $arr['url_sig']) {
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$r = q("select * from hubloc
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where hubloc_guid = '%s' and hubloc_guid_sig = '%s'
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and hubloc_url = '%s' and hubloc_url_sig = '%s'
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limit 1",
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dbesc($arr['guid']),
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dbesc($arr['guid_sig']),
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dbesc($arr['url']),
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dbesc($arr['url_sig'])
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);
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if($r && count($r))
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return $r[0];
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}
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return null;
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}
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function zot_register_hub($arr) {
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$result = array('success' => false);
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if($arr['hub'] && $arr['hub_sig'] && $arr['guid'] && $arr['guid_sig']) {
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$guid_hash = base64url_encode(hash('whirlpool',$arr['guid'] . $arr['guid_sig'], true));
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$x = z_fetch_url($arr['hub'] . '/.well-known/zot-info/?f=&hash=' . $guid_hash);
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if($x['success']) {
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$record = json_decode($x['body'],true);
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$c = import_xchan($record);
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if($c['success'])
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$result['success'] = true;
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}
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}
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return $result;
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}
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// Takes a json array from zot_finger and imports the xchan and hublocs
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// If the xchan already exists, update the name and photo if these have changed.
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//
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function import_xchan_from_json($j) {
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$ret = array('success' => false);
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$xchan_hash = base64url_encode(hash('whirlpool',$j->guid . $j->guid_sig, true));
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$import_photos = false;
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if(! rsa_verify($j->guid,base64url_decode($j->guid_sig),$j->key)) {
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logger('import_xchan_from_json: Unable to verify channel signature for ' . $j->address);
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$ret['message'] = t('Unable to verify channel signature');
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return $ret;
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}
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$r = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($xchan_hash)
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);
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if($r) {
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if($r[0]['xchan_photo_date'] != $j->photo_updated)
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$update_photos = true;
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if($r[0]['xchan_name_date'] != $j->name_updated) {
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$r = q("update xchan set xchan_name = '%s', xchan_name_date = '%s' where xchan_hash = '%s' limit 1",
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dbesc($j->name),
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dbesc($j->name_updated),
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dbesc($xchan_hash)
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);
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}
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}
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else {
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$import_photos = true;
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$x = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_mimetype,
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xchan_photo_l, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_photo_date, xchan_name_date)
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values ( '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
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dbesc($xchan_hash),
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dbesc($j->guid),
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dbesc($j->guid_sig),
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dbesc($j->key),
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dbesc($j->photo_mimetype),
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dbesc($j->photo),
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dbesc($j->address),
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dbesc($j->url),
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dbesc($j->name),
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dbesc('zot'),
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dbesc($j->photo_updated),
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dbesc($j->name_updated)
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);
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}
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if($import_photos) {
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require_once("Photo.php");
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$photos = import_profile_photo($j->photo,0,$xchan_hash);
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$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s'
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where xchan_hash = '%s' limit 1",
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dbesc($j->photo_updated),
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dbesc($photos[0]),
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dbesc($photos[1]),
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dbesc($photos[2]),
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dbesc($photos[3]),
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dbesc($xchan_hash)
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);
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}
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if($j->locations) {
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foreach($j->locations as $location) {
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if(! rsa_verify($location->url,base64url_decode($location->url_sig),$j->key)) {
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logger('import_xchan_from_json: Unable to verify site signature for ' . $location->url);
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$ret['message'] .= sprintf( t('Unable to verify site signature for %s'), $location->url) . EOL;
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continue;
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}
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$r = q("select * from hubloc where hubloc_hash = '%s' and hubloc_url = '%s' limit 1",
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dbesc($xchan_hash),
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dbesc($location->url)
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);
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if($r) {
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if(($r[0]['hubloc_flags'] & HUBLOC_FLAGS_PRIMARY) && (! $location->primary)) {
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$r = q("update hubloc set hubloc_flags = (hubloc_flags ^ %d) where hubloc_id = %d limit 1",
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intval(HUBLOC_FLAGS_PRIMARY),
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intval($r[0]['hubloc_id'])
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);
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}
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continue;
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}
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$r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_flags, hubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey)
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values ( '%s','%s','%s','%s', %d ,'%s','%s','%s','%s','%s')",
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dbesc($j->guid),
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dbesc($j->guid_sig),
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dbesc($xchan_hash),
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dbesc($location->address),
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intval((intval($location->primary)) ? HUBLOC_FLAGS_PRIMARY : 0),
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dbesc($location->url),
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dbesc($location->url_sig),
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dbesc($location->host),
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dbesc($location->callback),
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dbesc($location->sitekey)
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);
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}
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}
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if(! x($ret,'message')) {
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$ret['success'] = true;
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$ret['hash'] = $xchan_hash;
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}
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return $ret;
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}
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// Takes a json associative array from zot_finger and imports the xchan and hublocs
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// If the xchan already exists, update the name and photo if these have changed.
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//
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function import_xchan($arr) {
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$ret = array('success' => false);
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$xchan_hash = base64url_encode(hash('whirlpool',$arr['guid'] . $arr['guid_sig'], true));
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$import_photos = false;
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if(! rsa_verify($arr['guid'],base64url_decode($arr['guid_sig']),$arr['key'])) {
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logger('import_xchan_from_json: Unable to verify channel signature for ' . $arr['address']);
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$ret['message'] = t('Unable to verify channel signature');
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return $ret;
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}
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$r = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($xchan_hash)
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);
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if($r) {
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if($r[0]['xchan_photo_date'] != $arr['photo_updated'])
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$update_photos = true;
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if($r[0]['xchan_name_date'] != $arr['name_updated']) {
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$r = q("update xchan set xchan_name = '%s', xchan_name_date = '%s' where xchan_hash = '%s' limit 1",
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dbesc($arr['name']),
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dbesc($arr['name_updated']),
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|
dbesc($xchan_hash)
|
|
);
|
|
}
|
|
}
|
|
else {
|
|
$import_photos = true;
|
|
$x = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_mimetype,
|
|
xchan_photo_l, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_photo_date, xchan_name_date)
|
|
values ( '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
|
|
dbesc($xchan_hash),
|
|
dbesc($arr['guid']),
|
|
dbesc($arr['guid_sig']),
|
|
dbesc($arr['key']),
|
|
dbesc($arr['photo_mimetype']),
|
|
dbesc($arr['photo']),
|
|
dbesc($arr['address']),
|
|
dbesc($arr['url']),
|
|
dbesc($arr['name']),
|
|
dbesc('zot'),
|
|
dbesc($arr['photo_updated']),
|
|
dbesc($arr['name_updated'])
|
|
);
|
|
|
|
}
|
|
|
|
|
|
if($import_photos) {
|
|
|
|
require_once("Photo.php");
|
|
|
|
$photos = import_profile_photo($arr['photo'],0,$xchan_hash);
|
|
$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s'
|
|
where xchan_hash = '%s' limit 1",
|
|
dbesc($arr['photo_updated']),
|
|
dbesc($photos[0]),
|
|
dbesc($photos[1]),
|
|
dbesc($photos[2]),
|
|
dbesc($photos[3]),
|
|
dbesc($xchan_hash)
|
|
);
|
|
}
|
|
|
|
if($arr['locations']) {
|
|
foreach($arr['locations'] as $location) {
|
|
if(! rsa_verify($location['url'],base64url_decode($location['url_sig']),$arr['key'])) {
|
|
logger('import_xchan_from_json: Unable to verify site signature for ' . $location['url']);
|
|
$ret['message'] .= sprintf( t('Unable to verify site signature for %s'), $location['url']) . EOL;
|
|
continue;
|
|
}
|
|
|
|
$r = q("select * from hubloc where hubloc_hash = '%s' and hubloc_url = '%s' limit 1",
|
|
dbesc($xchan_hash),
|
|
dbesc($location['url'])
|
|
);
|
|
if($r) {
|
|
if(($r[0]['hubloc_flags'] & HUBLOC_FLAGS_PRIMARY) && (! $location['primary'])) {
|
|
$r = q("update hubloc set hubloc_flags = (hubloc_flags ^ %d) where hubloc_id = %d limit 1",
|
|
intval(HUBLOC_FLAGS_PRIMARY),
|
|
intval($r[0]['hubloc_id'])
|
|
);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
$r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_flags, hubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey)
|
|
values ( '%s','%s','%s','%s', %d ,'%s','%s','%s','%s','%s')",
|
|
dbesc($arr['guid']),
|
|
dbesc($arr['guid_sig']),
|
|
dbesc($xchan_hash),
|
|
dbesc($location['address']),
|
|
intval((intval($location['primary'])) ? HUBLOC_FLAGS_PRIMARY : 0),
|
|
dbesc($location['url']),
|
|
dbesc($location['url_sig']),
|
|
dbesc($location['host']),
|
|
dbesc($location['callback']),
|
|
dbesc($location['sitekey'])
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if(! x($ret,'message')) {
|
|
$ret['success'] = true;
|
|
$ret['hash'] = $xchan_hash;
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
function zot_process_response($arr,$outq) {
|
|
if(! $arr['success'])
|
|
return;
|
|
|
|
$x = json_decode($arr['body'],true);
|
|
|
|
// synchronous message types are handled immediately
|
|
// async messages remain in the queue until processed.
|
|
|
|
if(intval($outq['outq_async'])) {
|
|
$r = q("update outq set outq_delivered = 1, outq_updated = '%s' where outq_hash = '%s' and outq_channel = %d limit 1",
|
|
dbesc(datetime_convert()),
|
|
dbesc($outq['outq_hash']),
|
|
intval($outq['outq_channel'])
|
|
);
|
|
}
|
|
else {
|
|
$r = q("delete from outq where outq_hash = '%s' and outq_channel = %d limit 1",
|
|
dbesc($outq['outq_hash']),
|
|
intval($outq['outq_channel'])
|
|
);
|
|
}
|
|
|
|
logger('zot_process_response: ' . print_r($x,true), LOGGER_DATA);
|
|
}
|
|
|
|
function zot_fetch($arr) {
|
|
|
|
logger('zot_fetch: ' . print_r($arr,true), LOGGER_DATA);
|
|
|
|
$url = $arr['sender']['url'] . $arr['callback'];
|
|
|
|
$ret_hub = zot_gethub($arr['sender']);
|
|
if(! $ret_hub) {
|
|
logger('zot_fetch: not ret_hub');
|
|
return;
|
|
}
|
|
|
|
|
|
$ret_secret = json_encode(array($arr['secret'],'secret_sig' => base64url_encode(rsa_sign($arr['secret'],get_config('system','prvkey')))));
|
|
|
|
|
|
$data = array(
|
|
'type' => 'pickup',
|
|
'url' => z_root(),
|
|
'callback_sig' => base64url_encode(rsa_sign(z_root() . '/post',get_config('system','prvkey'))),
|
|
'callback' => z_root() . '/post',
|
|
'secret' => $arr['secret'],
|
|
'secret_sig' => base64url_encode(rsa_sign($arr['secret'],get_config('system','prvkey')))
|
|
);
|
|
|
|
|
|
$datatosend = json_encode(aes_encapsulate(json_encode($data),$ret_hub['hubloc_sitekey']));
|
|
|
|
$fetch = zot_zot($url,$datatosend);
|
|
|
|
$result = zot_import($fetch);
|
|
|
|
}
|
|
|
|
|
|
function zot_import($arr) {
|
|
|
|
logger('zot_import: ' . print_r($arr,true), LOGGER_DATA);
|
|
|
|
$data = json_decode($arr['body'],true);
|
|
|
|
logger('zot_import: data1: ' . print_r($data,true));
|
|
|
|
if(array_key_exists('iv',$data)) {
|
|
$data = json_decode(aes_unencapsulate($data,get_config('system','prvkey')),true);
|
|
}
|
|
|
|
logger('zot_import: data' . print_r($data,true), LOGGER_DATA);
|
|
|
|
$incoming = $data['pickup'];
|
|
if(is_array($incoming)) {
|
|
foreach($incoming as $i) {
|
|
|
|
if(array_key_exists('iv',$i['notify'])) {
|
|
$i['notify'] = json_decode(aes_unencapsulate($i['notify'],get_config('system','prvkey')),true);
|
|
}
|
|
|
|
$i['notify']['sender']['hash'] = base64url_encode(hash('whirlpool',$i['notify']['sender']['guid'] . $i['notify']['sender']['guid_sig'], true));
|
|
$deliveries = null;
|
|
|
|
if(array_key_exists('recipients',$i['notify']) && count($i['notify']['recipients'])) {
|
|
logger('specific recipients');
|
|
$recip_arr = array();
|
|
foreach($i['notify']['recipients'] as $recip) {
|
|
$recip_arr[] = array('hash' => base64url_encode(hash('whirlpool',$recip['guid'] . $recip['guid_sig'], true)));
|
|
}
|
|
stringify_array_elms($recip_arr);
|
|
$recips = ids_to_querystr($recip_arr,'hash');
|
|
|
|
$r = q("select channel_hash as hash from channel where channel_hash in ( " . $recips . " ) ");
|
|
if(! $r)
|
|
continue;
|
|
|
|
$deliveries = $r;
|
|
|
|
// We found somebody on this site that's in the recipient list.
|
|
|
|
|
|
}
|
|
else {
|
|
logger('public post');
|
|
|
|
// Public post. look for any site members who are accepting posts from this sender
|
|
$deliveries = public_recips($i);
|
|
}
|
|
if(! $deliveries)
|
|
continue;
|
|
|
|
if($i['message']) {
|
|
if($i['message']['type'] === 'activity') {
|
|
$arr = get_item_elements($i['message']);
|
|
|
|
logger('Activity received: ' . print_r($arr,true));
|
|
logger('Activity recipients: ' . print_r($deliveries,true));
|
|
|
|
$relay = ((array_key_exists('flags',$i['message']) && in_array('relay',$i['message']['flags'])) ? true : false);
|
|
process_delivery($i['notify']['sender'],$arr,$deliveries,$relay);
|
|
|
|
}
|
|
elseif($i['message']['type'] === 'mail') {
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// A public message with no listed recipients can be delivered to anybody who
|
|
// has PERMS_NETWORK for that type of post, or PERMS_SITE and is one the same
|
|
// site, or PERMS_SPECIFIC and the sender is a contact who is granted
|
|
// permissions via their connection permissions in the address book.
|
|
// Here we take a given message and construct a list of hashes of everybody
|
|
// on the site that we should deliver to.
|
|
|
|
|
|
|
|
function public_recips($msg) {
|
|
|
|
logger('public_recips: ' . print_r($msg,true));
|
|
|
|
if($msg['message']['type'] === 'activity') {
|
|
if(array_key_exists('flags',$msg['message']) && in_array('thread_parent', $msg['message']['flags'])) {
|
|
$col = 'channel_w_stream';
|
|
$field = PERMS_W_STREAM;
|
|
}
|
|
else {
|
|
$col = 'channel_w_comment';
|
|
$field = PERMS_W_COMMENT;
|
|
}
|
|
}
|
|
elseif($msg['message']['type'] === 'mail') {
|
|
$col = 'channel_w_mail';
|
|
$field = PERMS_W_MAIL;
|
|
}
|
|
|
|
if(! $col)
|
|
return NULL;
|
|
|
|
if($msg['notify']['sender']['url'] === z_root())
|
|
$sql = " where (( " . $col . " & " . PERMS_NETWORK . " ) or ( " . $col . " & " . PERMS_SITE . " )) ";
|
|
else
|
|
$sql = " where ( " . $col . " & " . PERMS_NETWORK . " ) " ;
|
|
|
|
$r = q("select channel_hash as hash from channel " . $sql );
|
|
|
|
if(! $r)
|
|
$r = array();
|
|
|
|
$x = q("select channel_hash as hash from channel left join abook on abook_channel = channel_id where abook_xchan = '%s'
|
|
and ( " . $col . " & " . PERMS_SPECIFIC . " ) and ( abook_my_perms & " . $field . " ) ",
|
|
dbesc($msg['notify']['sender']['hash'])
|
|
);
|
|
|
|
if(! $x)
|
|
$x = array();
|
|
|
|
$r = array_merge($r,$x);
|
|
|
|
|
|
return $r;
|
|
}
|
|
|
|
|
|
function process_delivery($sender,$arr,$deliveries,$relay) {
|
|
|
|
|
|
foreach($deliveries as $d) {
|
|
$r = q("select * from channel where channel_hash = '%s' limit 1",
|
|
dbesc($d['hash'])
|
|
);
|
|
|
|
if(! $r)
|
|
continue;
|
|
|
|
$channel = $r[0];
|
|
|
|
$perm = (($arr['uri'] == $arr['parent_uri']) ? 'send_stream' : 'post_comments');
|
|
|
|
if(! perm_is_allowed($channel['channel_id'],$sender['hash'],$perm)) {
|
|
logger("permission denied for delivery {$channel['channel_id']}");
|
|
continue;
|
|
}
|
|
|
|
|
|
if($arr['item_restrict'] & ITEM_DELETED) {
|
|
delete_imported_item($sender,$arr,$channel['channel_id']);
|
|
continue;
|
|
}
|
|
|
|
$r = q("select id, edited from item where uri = '%s' and uid = %d limit 1",
|
|
dbesc($arr['uri']),
|
|
intval($channel['channel_id'])
|
|
);
|
|
if($r) {
|
|
if($arr['edited'] > $r[0]['edited'])
|
|
update_imported_item($sender,$arr,$channel['channel_id']);
|
|
$item_id = $r[0]['id'];
|
|
}
|
|
else {
|
|
$arr['aid'] = $channel['channel_account_id'];
|
|
$arr['uid'] = $channel['channel_id'];
|
|
$item_id = item_store($arr);
|
|
}
|
|
|
|
if($relay && $item_id) {
|
|
logger('process_delivery: invoking relay');
|
|
proc_run('php','include/notifier.php','relay',intval($item_id));
|
|
}
|
|
}
|
|
}
|
|
|
|
function update_imported_item($sender,$item,$uid) {
|
|
// FIXME
|
|
logger('update_imported_item');
|
|
|
|
}
|
|
|
|
function delete_imported_item($sender,$item,$uid) {
|
|
|
|
$r = q("select id from item where author_xchan = '%s' or owner_xchan = '%s'
|
|
and uri = '%s' and uid = %d limit 1",
|
|
dbesc($sender['hash']),
|
|
dbesc($sender['hash']),
|
|
dbesc($item['uri']),
|
|
intval($uid)
|
|
);
|
|
if(! $r) {
|
|
logger('delete_imported_item: failed: ownership issue');
|
|
return;
|
|
}
|
|
|
|
$r = q("update item set body = '', title = '', item_restrict = %d, edited = '%s', changed = '%s'
|
|
where ( thr_parent = '%s' or parent_uri = '%s' ) and uid = %d",
|
|
intval(ITEM_DELETED),
|
|
dbesc(datetime_convert()),
|
|
dbesc(datetime_convert()),
|
|
dbesc($item['uri']),
|
|
dbesc($item['uri']),
|
|
intval($uid)
|
|
);
|
|
|
|
if(! $r)
|
|
logger("delete_imported_item: db update failed. Item = {$item['uri']} uid = $uid");
|
|
|
|
}
|
|
|