function diaspora_dispatch_public($msg)
{
$enabled = intval(get_config('system', 'diaspora_enabled'));
if (!$enabled) {
logger('mod-diaspora: disabled');
return;
}
$sys_disabled = true;
if (!get_config('system', 'disable_discover_tab')) {
$sys_disabled = get_config('system', 'disable_diaspora_discover_tab');
}
$sys = $sys_disabled ? null : get_sys_channel();
// find everybody following or allowing this author
$r = q("SELECT * from channel where channel_id in ( SELECT abook_channel from abook left join xchan on abook_xchan = xchan_hash WHERE xchan_network like '%%diaspora%%' and xchan_addr = '%s' )", dbesc($msg['author']));
// also need to look for those following public streams
if ($r) {
foreach ($r as $rr) {
logger('diaspora_public: delivering to: ' . $rr['channel_name'] . ' (' . $rr['channel_address'] . ') ');
diaspora_dispatch($rr, $msg);
}
} else {
if (!$sys) {
logger('diaspora_public: no subscribers');
}
}
if ($sys) {
$sys['system'] = true;
logger('diaspora_public: delivering to sys.');
diaspora_dispatch($sys, $msg);
}
}
function diaspora_dispatch_public($msg)
{
$sys_disabled = true;
if (!get_config('system', 'disable_discover_tab')) {
$sys_disabled = get_config('system', 'disable_diaspora_discover_tab');
}
$sys = $sys_disabled ? null : get_sys_channel();
// find everybody following or allowing this author
$r = q("SELECT * from channel where channel_id in ( SELECT abook_channel from abook left join xchan on abook_xchan = xchan_hash WHERE xchan_network like '%%diaspora%%' and xchan_addr = '%s' ) and channel_removed = 0 ", dbesc($msg['author']));
// look for those following tags - we'll check tag validity for each specific channel later
$y = q("select * from channel where channel_id in ( SELECT uid from pconfig where cat = 'diaspora' and k = 'followed_tags' and v != '') and channel_removed = 0 ");
if (is_array($y) && is_array($r)) {
$r = array_merge($r, $y);
}
// @FIXME we should also enumerate channels that allow postings by anybody
if ($r) {
foreach ($r as $rr) {
logger('diaspora_public: delivering to: ' . $rr['channel_name'] . ' (' . $rr['channel_address'] . ') ');
diaspora_dispatch($rr, $msg);
}
} else {
if (!$sys) {
logger('diaspora_public: no subscribers');
}
}
if ($sys) {
$sys['system'] = true;
logger('diaspora_public: delivering to sys.');
diaspora_dispatch($sys, $msg);
}
}
function dsprphotoq_run($argv, $argc)
{
global $a, $db;
if (is_null($a)) {
$a = new App();
}
if (is_null($db)) {
@(include ".htconfig.php");
require_once "include/dba.php";
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
}
logger("diaspora photo queue: running", LOGGER_DEBUG);
$r = q("SELECT * FROM dsprphotoq");
if (!$r) {
return;
}
$dphotos = $r;
logger("diaspora photo queue: processing " . count($dphotos) . " photos");
foreach ($dphotos as $dphoto) {
$r = q("SELECT * FROM user WHERE uid = %d", intval($dphoto['uid']));
if (!$r) {
logger("diaspora photo queue: user " . $dphoto['uid'] . " not found");
return;
}
$ret = diaspora_dispatch($r[0], unserialize($dphoto['msg']), $dphoto['attempt']);
q("DELETE FROM dsprphotoq WHERE id = %d", intval($dphoto['id']));
}
}
function diaspora_dispatch_public($msg)
{
$r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' ) AND `account_expired` = 0 ", dbesc(NETWORK_DIASPORA), dbesc($msg['author']));
if (count($r)) {
foreach ($r as $rr) {
logger('diaspora_public: delivering to: ' . $rr['username']);
diaspora_dispatch($rr, $msg);
}
} else {
logger('diaspora_public: no subscribers');
}
}
function receive_post(&$a)
{
$public = false;
logger('diaspora_receive: ' . print_r($a->argv, true), LOGGER_DEBUG);
if (argc() == 2 && argv(1) === 'public') {
$public = true;
} else {
if (argc() != 3 || argv(1) !== 'users') {
http_status_exit(500);
}
$guid = argv(2);
$hn = str_replace('.', '', $a->get_hostname());
if (($x = strpos($guid, $hn)) > 0) {
$guid = substr($guid, 0, $x);
}
// Diaspora sites *may* provide a truncated guid.
$r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_guid like '%s' AND channel_removed = 0 LIMIT 1", dbesc($guid . '%'));
if (!$r) {
http_status_exit(500);
}
$importer = $r[0];
}
// It is an application/x-www-form-urlencoded that has been urlencoded twice.
logger('mod-diaspora: receiving post', LOGGER_DEBUG);
$xml = urldecode($_POST['xml']);
logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);
if (!$xml) {
http_status_exit(500);
}
logger('mod-diaspora: message is okay', LOGGER_DEBUG);
$msg = diaspora_decode($importer, $xml);
logger('mod-diaspora: decoded', LOGGER_DEBUG);
logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
if (!is_array($msg)) {
http_status_exit(500);
}
logger('mod-diaspora: dispatching', LOGGER_DEBUG);
$ret = 0;
if ($public) {
diaspora_dispatch_public($msg);
} else {
$ret = diaspora_dispatch($importer, $msg);
}
http_status_exit($ret ? $ret : 200);
// NOTREACHED
}
function receive_post(&$a)
{
$enabled = intval(get_config('system', 'diaspora_enabled'));
if (!$enabled) {
logger('mod-diaspora: disabled');
http_status_exit(500);
}
$public = false;
if (argc() == 2 && argv(1) === 'public') {
$public = true;
} else {
if (argc() != 3 || argv(1) !== 'users') {
http_status_exit(500);
}
$guid = argv(2);
// Diaspora sites *may* provide a truncated guid.
$r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_guid like '%s' AND NOT (channel_pageflags & %d )>0 LIMIT 1", dbesc($guid . '%'), intval(PAGE_REMOVED));
if (!$r) {
http_status_exit(500);
}
$importer = $r[0];
}
// It is an application/x-www-form-urlencoded that has been urlencoded twice.
logger('mod-diaspora: receiving post', LOGGER_DEBUG);
$xml = urldecode($_POST['xml']);
logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);
if (!$xml) {
http_status_exit(500);
}
logger('mod-diaspora: message is okay', LOGGER_DEBUG);
$msg = diaspora_decode($importer, $xml);
logger('mod-diaspora: decoded', LOGGER_DEBUG);
logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
if (!is_array($msg)) {
http_status_exit(500);
}
logger('mod-diaspora: dispatching', LOGGER_DEBUG);
$ret = 0;
if ($public) {
diaspora_dispatch_public($msg);
} else {
$ret = diaspora_dispatch($importer, $msg);
}
http_status_exit($ret ? $ret : 200);
// NOTREACHED
}
function diaspora_dispatch_public($msg)
{
$enabled = intval(get_config('system', 'diaspora_enabled'));
if (!$enabled) {
logger('mod-diaspora: disabled');
return;
}
$r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN\n\t ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )\n\t AND `account_expired` = 0 AND `account_removed` = 0 ", dbesc(NETWORK_DIASPORA), dbesc($msg['author']));
if (count($r)) {
foreach ($r as $rr) {
logger('diaspora_public: delivering to: ' . $rr['username']);
diaspora_dispatch($rr, $msg);
}
} else {
logger('diaspora_public: no subscribers');
}
}
function receive_post(&$a)
{
$enabled = intval(get_config('system', 'diaspora_enabled'));
if (!$enabled) {
logger('mod-diaspora: disabled');
http_status_exit(500);
}
$public = false;
if ($a->argc == 2 && $a->argv[1] === 'public') {
$public = true;
} else {
if ($a->argc != 3 || $a->argv[1] !== 'users') {
http_status_exit(500);
}
$guid = $a->argv[2];
$r = q("SELECT * FROM `user` WHERE `guid` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1", dbesc($guid));
if (!count($r)) {
http_status_exit(500);
}
$importer = $r[0];
}
// It is an application/x-www-form-urlencoded
logger('mod-diaspora: receiving post', LOGGER_DEBUG);
$xml = urldecode($_POST['xml']);
logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);
if (!$xml) {
http_status_exit(500);
}
logger('mod-diaspora: message is okay', LOGGER_DEBUG);
$msg = diaspora_decode($importer, $xml);
logger('mod-diaspora: decoded', LOGGER_DEBUG);
logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
if (!is_array($msg)) {
http_status_exit(500);
}
logger('mod-diaspora: dispatching', LOGGER_DEBUG);
$ret = 0;
if ($public) {
diaspora_dispatch_public($msg);
} else {
$ret = diaspora_dispatch($importer, $msg);
}
http_status_exit($ret ? $ret : 200);
// NOTREACHED
}
function diaspora_dispatch_public($msg)
{
$enabled = intval(get_config('system', 'diaspora_enabled'));
if (!$enabled) {
logger('mod-diaspora: disabled');
return;
}
// Use a dummy importer to import the data for the public copy
$importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
$result = diaspora_dispatch($importer, $msg);
logger("Dispatcher reported " . $result, LOGGER_DEBUG);
// Now distribute it to the followers
$r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN\n\t\t( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )\n\t\tAND `account_expired` = 0 AND `account_removed` = 0 ", dbesc(NETWORK_DIASPORA), dbesc($msg['author']));
if (count($r)) {
foreach ($r as $rr) {
logger('diaspora_public: delivering to: ' . $rr['username']);
diaspora_dispatch($rr, $msg);
}
} else {
logger('diaspora_public: no subscribers for ' . $msg["author"] . ' ' . print_r($msg, true));
}
}
function receive_post(&$a)
{
$public = false;
logger('diaspora_receive: ' . print_r(App::$argv, true), LOGGER_DEBUG, LOG_INFO);
if (argc() == 2 && argv(1) === 'public') {
$public = true;
} else {
if (argc() != 3 || argv(1) !== 'users') {
http_status_exit(500);
}
$guid = argv(2);
// So that the Diaspora GUID will work with nomadic identity, we append
// the hostname but remove any periods so that it doesn't mess up URLs.
// (This was an occasional issue with message_ids that include the hostname,
// and we learned from that experience).
// Without the hostname bit the Diaspora side would not be able to share
// with two channels which have the same GUID (e.g. channel clones). In this step
// we're stripping the hostname part which Diaspora thinks is our GUID so
// that we can locate our channel by the channel_guid. On our network,
// channel clones have the same GUID even if they are on different sites.
$hn = str_replace('.', '', App::get_hostname());
if (($x = strpos($guid, $hn)) > 0) {
$guid = substr($guid, 0, $x);
}
// Sites running old code *may* provide a truncated guid, when GUIDs were 16 hex chars.
// This might also be true for older Friendica sites that stored the guid separately.
// We may not require this truncation check any more, but it probably does no harm to leave it.
// Forgeries and mischief will be caught out by permission checks later.
$r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_guid like '%s' AND channel_removed = 0 LIMIT 1", dbesc($guid . '%'));
if (!$r) {
http_status_exit(500);
}
$importer = $r[0];
}
logger('mod-diaspora: receiving post', LOGGER_DEBUG, LOG_INFO);
// Diaspora traditionally urlencodes or base64 encodes things a superfluous number of times.
// The legacy format is double url-encoded for an unknown reason. At the time of this writing
// the new formats have not yet been seen crossing the wire, so we're being proactive and decoding
// until we see something reasonable. Once we know how many times we are expected to decode we can
// refine this.
if ($_POST['xml']) {
$xml = ltrim($_POST['xml']);
$format = 'legacy';
// PHP performed the first decode when populating the $_POST variable.
// Here we do the second - which has been required since 2010-2011.
if (substr($xml, 0, 1) !== '<') {
$xml = ltrim(urldecode($xml));
}
} else {
$xml = ltrim(file_get_contents('php://input'));
$format = 'bis';
$decode_counter = 0;
while ($decode_counter < 3) {
if (substr($xml, 0, 1) === '{' || substr($xml, 0, 1) === '<') {
break;
}
$decode_counter++;
$xml = ltrim(urldecode($xml));
}
logger('decode_counter: ' . $decode_counter, LOGGER_DEBUG, LOG_INFO);
}
if ($format === 'bis') {
switch (substr($xml, 0, 1)) {
case '{':
$format = 'json';
break;
case '<':
$format = 'salmon';
break;
default:
break;
}
}
logger('diaspora salmon format: ' . $format, LOGGER_DEBUG, LOG_INFO);
logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);
if (!$xml || $format === 'bis') {
http_status_exit(500);
}
logger('mod-diaspora: message is okay', LOGGER_DEBUG);
$msg = diaspora_decode($importer, $xml, $format);
logger('mod-diaspora: decoded', LOGGER_DEBUG);
logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
if (!is_array($msg)) {
http_status_exit(500);
}
logger('mod-diaspora: dispatching', LOGGER_DEBUG);
$ret = 0;
if ($public) {
diaspora_dispatch_public($msg);
} else {
$ret = diaspora_dispatch($importer, $msg);
}
http_status_exit($ret ? $ret : 200);
// NOTREACHED
}
