function directory_init(&$a)
{
$a->set_pager_itemspage(60);
if (x($_GET, 'ignore')) {
q("insert into xign ( uid, xchan ) values ( %d, '%s' ) ", intval(local_channel()), dbesc($_GET['ignore']));
}
$observer = get_observer_hash();
$global_changed = false;
$safe_changed = false;
if (array_key_exists('global', $_REQUEST)) {
$globaldir = intval($_REQUEST['global']);
$global_changed = true;
}
if ($global_changed) {
$_SESSION['globaldir'] = $globaldir;
if ($observer) {
set_xconfig($observer, 'directory', 'globaldir', $globaldir);
}
}
if (array_key_exists('safe', $_REQUEST)) {
$safemode = intval($_REQUEST['safe']);
$safe_changed = true;
}
if ($safe_changed) {
$_SESSION['safemode'] = $safemode;
if ($observer) {
set_xconfig($observer, 'directory', 'safe_mode', $safemode);
}
}
}
function init()
{
\App::set_pager_itemspage(60);
if (x($_GET, 'ignore')) {
q("insert into xign ( uid, xchan ) values ( %d, '%s' ) ", intval(local_channel()), dbesc($_GET['ignore']));
goaway(z_root() . '/directory?suggest=1');
}
$observer = get_observer_hash();
$global_changed = false;
$safe_changed = false;
$pubforums_changed = false;
if (array_key_exists('global', $_REQUEST)) {
$globaldir = intval($_REQUEST['global']);
$global_changed = true;
}
if ($global_changed) {
$_SESSION['globaldir'] = $globaldir;
if ($observer) {
set_xconfig($observer, 'directory', 'globaldir', $globaldir);
}
}
if (array_key_exists('safe', $_REQUEST)) {
$safemode = intval($_REQUEST['safe']);
$safe_changed = true;
}
if ($safe_changed) {
$_SESSION['safemode'] = $safemode;
if ($observer) {
set_xconfig($observer, 'directory', 'safemode', $safemode);
}
}
if (array_key_exists('pubforums', $_REQUEST)) {
$pubforums = intval($_REQUEST['pubforums']);
$pubforums_changed = true;
}
if ($pubforums_changed) {
$_SESSION['pubforums'] = $pubforums;
if ($observer) {
set_xconfig($observer, 'directory', 'pubforums', $pubforums);
}
}
}
function init()
{
$observer = get_observer_hash();
if (!$observer) {
return;
}
if ($observer) {
$safe_mode = get_xconfig($observer, 'directory', 'safe_mode');
}
if ($safe_mode == '') {
set_xconfig($observer, 'directory', 'safe_mode', '0');
} elseif ($safe_mode == '0') {
set_xconfig($observer, 'directory', 'safe_mode', '1');
} elseif ($safe_mode == '1') {
set_xconfig($observer, 'directory', 'safe_mode', '0');
}
if (isset($_GET['address'])) {
$address = $_GET['address'];
} else {
$address = z_root() . '/directory';
}
goaway($address);
}
function get()
{
$noid = get_config('system', 'disable_openid');
if ($noid) {
goaway(z_root());
}
logger('mod_openid ' . print_r($_REQUEST, true), LOGGER_DATA);
if (x($_REQUEST, 'openid_mode')) {
$openid = new LightOpenID(z_root());
if ($openid->validate()) {
logger('openid: validate');
$authid = normalise_openid($_REQUEST['openid_identity']);
if (!strlen($authid)) {
logger(t('OpenID protocol error. No ID returned.') . EOL);
goaway(z_root());
}
$x = match_openid($authid);
if ($x) {
$r = q("select * from channel where channel_id = %d limit 1", intval($x));
if ($r) {
$y = q("select * from account where account_id = %d limit 1", intval($r[0]['channel_account_id']));
if ($y) {
foreach ($y as $record) {
if ($record['account_flags'] == ACCOUNT_OK || $record['account_flags'] == ACCOUNT_UNVERIFIED) {
logger('mod_openid: openid success for ' . $x[0]['channel_name']);
$_SESSION['uid'] = $r[0]['channel_id'];
$_SESSION['account_id'] = $r[0]['channel_account_id'];
$_SESSION['authenticated'] = true;
authenticate_success($record, $r[0], true, true, true, true);
goaway(z_root());
}
}
}
}
}
// Successful OpenID login - but we can't match it to an existing account.
// See if they've got an xchan
$r = q("select * from xconfig left join xchan on xchan_hash = xconfig.xchan where cat = 'system' and k = 'openid' and v = '%s' limit 1", dbesc($authid));
if ($r) {
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $r[0]['xchan_hash'];
$_SESSION['my_url'] = $r[0]['xchan_url'];
$_SESSION['my_address'] = $r[0]['xchan_addr'];
$arr = array('xchan' => $r[0], 'session' => $_SESSION);
call_hooks('magic_auth_openid_success', $arr);
\App::set_observer($r[0]);
require_once 'include/security.php';
\App::set_groups(init_groups_visitor($_SESSION['visitor_id']));
info(sprintf(t('Welcome %s. Remote authentication successful.'), $r[0]['xchan_name']));
logger('mod_openid: remote auth success from ' . $r[0]['xchan_addr']);
if ($_SESSION['return_url']) {
goaway($_SESSION['return_url']);
}
goaway(z_root());
}
// no xchan...
// create one.
// We should probably probe the openid url and figure out if they have any kind of
// social presence we might be able to scrape some identifying info from.
$name = $authid;
$url = trim($_REQUEST['openid_identity'], '/');
if (strpos($url, 'http') === false) {
$url = 'https://' . $url;
}
$pphoto = z_root() . '/' . get_default_profile_photo();
$parsed = @parse_url($url);
if ($parsed) {
$host = $parsed['host'];
}
$attr = $openid->getAttributes();
if (is_array($attr) && count($attr)) {
foreach ($attr as $k => $v) {
if ($k === 'namePerson/friendly') {
$nick = notags(trim($v));
}
if ($k === 'namePerson/first') {
$first = notags(trim($v));
}
if ($k === 'namePerson') {
$name = notags(trim($v));
}
if ($k === 'contact/email') {
$addr = notags(trim($v));
}
if ($k === 'media/image/aspect11') {
$photosq = trim($v);
}
if ($k === 'media/image/default') {
$photo_other = trim($v);
}
}
}
if (!$nick) {
if ($first) {
$nick = $first;
} else {
$nick = $name;
}
}
require_once 'library/urlify/URLify.php';
$x = strtolower(\URLify::transliterate($nick));
if ($nick & $host) {
$addr = $nick . '@' . $host;
}
$network = 'unknown';
if ($photosq) {
$pphoto = $photosq;
} elseif ($photo_other) {
$pphoto = $photo_other;
}
$mimetype = guess_image_type($pphoto);
$x = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_mimetype,\n\t xchan_photo_l, xchan_addr, xchan_url, xchan_connurl, xchan_follow, xchan_connpage, xchan_name, xchan_network, xchan_photo_date, \n\t\t\t\t\txchan_name_date, xchan_hidden)\n\t values ( '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', 1) ", dbesc($url), dbesc(''), dbesc(''), dbesc(''), dbesc($mimetype), dbesc($pphoto), dbesc($addr), dbesc($url), dbesc(''), dbesc(''), dbesc(''), dbesc($name), dbesc($network), dbesc(datetime_convert()), dbesc(datetime_convert()));
if ($x) {
$r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($url));
if ($r) {
$photos = import_xchan_photo($pphoto, $url);
if ($photos) {
$z = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', \n\t\t\t\t\t\t\t\txchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'", dbesc(datetime_convert()), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]), dbesc($photos[3]), dbesc($url));
}
set_xconfig($url, 'system', 'openid', $authid);
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $r[0]['xchan_hash'];
$_SESSION['my_url'] = $r[0]['xchan_url'];
$_SESSION['my_address'] = $r[0]['xchan_addr'];
$arr = array('xchan' => $r[0], 'session' => $_SESSION);
call_hooks('magic_auth_openid_success', $arr);
\App::set_observer($r[0]);
info(sprintf(t('Welcome %s. Remote authentication successful.'), $r[0]['xchan_name']));
logger('mod_openid: remote auth success from ' . $r[0]['xchan_addr']);
if ($_SESSION['return_url']) {
goaway($_SESSION['return_url']);
}
goaway(z_root());
}
}
}
}
notice(t('Login failed.') . EOL);
goaway(z_root());
// NOTREACHED
}
function discover_by_webbie($webbie)
{
require_once 'library/HTML5/Parser.php';
$result = array();
$network = null;
$diaspora = false;
$gnusoc = false;
$dfrn = false;
$has_salmon = false;
$salmon_key = false;
$atom_feed = false;
$diaspora_base = '';
$diaspora_guid = '';
$diaspora_key = '';
$webbie = strtolower($webbie);
$x = webfinger_rfc7033($webbie, true);
if ($x && array_key_exists('links', $x) && $x['links']) {
foreach ($x['links'] as $link) {
if (array_key_exists('rel', $link)) {
// If we discover zot - don't search further; grab the info and get out of
// here.
if ($link['rel'] === PROTOCOL_ZOT) {
logger('discover_by_webbie: zot found for ' . $webbie, LOGGER_DEBUG);
if (array_key_exists('zot', $x) && $x['zot']['success']) {
$i = import_xchan($x['zot']);
} else {
$z = z_fetch_url($link['href']);
if ($z['success']) {
$j = json_decode($z['body'], true);
$i = import_xchan($j);
return true;
}
}
}
if ($link['rel'] == NAMESPACE_DFRN) {
$dfrn = $link['href'];
}
if ($link['rel'] == 'magic-public-key') {
if (substr($link['href'], 0, 5) === 'data:') {
$salmon_key = convert_salmon_key($link['href']);
}
}
if ($link['rel'] == 'salmon') {
$has_salmon = true;
$salmon = $link['href'];
}
if ($link['rel'] == 'http://schemas.google.com/g/2010#updates-from') {
$atom_feed = $link['href'];
}
}
}
}
logger('webfinger: ' . print_r($x, true), LOGGER_DATA, LOG_INFO);
$arr = array('address' => $webbie, 'success' => false, 'webfinger' => $x);
call_hooks('discover_channel_webfinger', $arr);
if ($arr['success']) {
return true;
}
$aliases = array();
// Now let's make some decisions on what we may need
// to obtain further info
$probe_atom = false;
$probe_old = false;
$probe_hcard = false;
$address = '';
$location = '';
$nickname = '';
$fullname = '';
$avatar = '';
$pubkey = '';
if (is_array($x)) {
if (array_key_exists('address', $x)) {
$address = $x['address'];
}
if (array_key_exists('location', $x)) {
$location = $x['location'];
}
if (array_key_exists('nickname', $x)) {
$nickname = $x['nickname'];
}
}
if (!$x) {
$probe_old = true;
}
if (!$dfrn && !$has_salmon) {
$probe_old = true;
}
if ($probe_old) {
$y = old_webfinger($webbie);
if ($y) {
logger('old_webfinger: ' . print_r($x, true));
foreach ($y 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;
}
$diaspora = true;
}
if ($link['@attributes']['rel'] == 'magic-public-key') {
if (substr($link['@attributes']['href'], 0, 5) === 'data:') {
$salmon_key = convert_salmon_key($link['@attributes']['href']);
}
}
if ($link['@attributes']['rel'] == 'salmon') {
$has_salmon = true;
$salmon = $link['@attributes']['href'];
}
if ($link['@attributes']['rel'] == 'http://schemas.google.com/g/2010#updates-from') {
$atom_feed = $link['@attributes']['href'];
}
if ($link['@attributes']['rel'] === 'alias') {
$aliases[] = $link['@attributes']['href'];
}
if ($link['@attributes']['rel'] === 'subject') {
$subject = $link['@attributes']['href'];
}
}
}
}
if ($subject || $aliases) {
if (strpos($webbie, '@')) {
$rhs = substr($webbie, strpos($webbie, '@') + 1);
} else {
$m = parse_url($webbie);
if ($m) {
$rhs = $m['host'] . ($m['port'] ? ':' . $m['port'] : '');
}
}
$v = array('subject' => $subject, 'aliases' => $aliases);
$address = find_webfinger_address($v, $rhs);
$location = find_webfinger_location($v, $rhs);
if ($address) {
$nickname = substr($address, 0, strpos($address, '@'));
}
}
if ($salmon_key && $has_salmon && $atom_feed && !$dfrn && !$diaspora) {
$gnusoc = true;
$probe_atom = true;
}
if (!$pubkey) {
$pubkey = $salmon_key;
}
if (($dfrn || $diaspora) && $hcard) {
$probe_hcard = true;
}
if (!$fullname) {
$fullname = $nickname;
}
if ($probe_atom) {
$k = z_fetch_url($atom_feed);
if ($k['success']) {
$feed_meta = feed_meta($k['body']);
}
if ($feed_meta) {
// stash any discovered pubsubhubbub hubs in case we need to follow them
// this will save an expensive lookup later
if ($feed_meta['hubs'] && $address) {
set_xconfig($address, 'system', 'push_hubs', $feed_meta['hubs']);
set_xconfig($address, 'system', 'feed_url', $atom_feed);
}
if ($feed_meta['author']['author_name']) {
$fullname = $feed_meta['author']['author_name'];
}
if (!$avatar) {
if ($feed_meta['author']['author_photo']) {
$avatar = $feed_meta['author']['author_photo'];
}
}
// for GNU-social over-ride any url aliases we may have picked up in webfinger
// The author.uri element in the feed is likely to be more accurate
if ($gnusoc && $feed_meta['author']['author_uri']) {
$location = $feed_meta['author']['author_uri'];
}
}
} else {
if ($probe_hcard) {
$vcard = scrape_vcard($hcard);
if ($vcard) {
logger('vcard: ' . print_r($vcard, true), LOGGER_DATA);
if ($vcard['fn']) {
$fullname = $vcard['fn'];
}
if ($vcard['photo'] && strpos($vcard['photo'], 'http') !== 0) {
$vcard['photo'] = $diaspora_base . '/' . $vcard['photo'];
}
if (!$avatar) {
$avatar = $vcard['photo'];
}
}
}
}
if ($profile && !$location) {
$location = $profile;
}
if ($location) {
$m = parse_url($location);
$base = $m['scheme'] . '://' . $m['host'];
$host = $m['host'];
}
if ($diaspora && $diaspora_base && $diaspora_guid) {
if ($dfrn) {
$network = 'friendica-over-diaspora';
} else {
$network = 'diaspora';
}
$base = trim($diaspora_base, '/');
$notify = $base . '/receive';
} else {
if ($gnusoc) {
$network = 'gnusoc';
$notify = $salmon;
}
}
logger('network: ' . $network);
logger('address: ' . $address);
logger('fullname: ' . $fullname);
logger('pubkey: ' . $pubkey);
logger('location: ' . $location);
// if we have everything we need, let's create the records
if ($network && $address && $fullname && $pubkey && $location) {
$r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($address));
if ($r) {
$r = q("update xchan set xchan_name = '%s', xchan_network = '%s', xchan_name_date = '%s' where xchan_hash = '%s' limit 1", dbesc($fullname), dbesc($network), dbesc(datetime_convert()), dbesc($address));
} else {
$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_pubkey, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ", dbesc($address), dbesc($diaspora_guid ? $diaspora_guid : $location), dbesc($pubkey), dbesc($address), dbesc($location), dbesc($fullname), dbesc($network), dbescdate(datetime_convert()));
}
$r = q("select * from hubloc where hubloc_hash = '%s' limit 1", dbesc($address));
if (!$r) {
$r = q("insert into hubloc ( hubloc_guid, hubloc_hash, hubloc_addr, hubloc_network, hubloc_url, hubloc_host, hubloc_callback, hubloc_updated, hubloc_primary ) values ('%s','%s','%s','%s','%s','%s','%s','%s', 1)", dbesc($diaspora_guid ? $diaspora_guid : $location), dbesc($address), dbesc($address), dbesc($network), dbesc($base), dbesc($host), dbesc($notify), dbescdate(datetime_convert()));
}
$photos = import_xchan_photo($avatar, $address);
$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'", dbescdate(datetime_convert()), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]), dbesc($photos[3]), dbesc($address));
return true;
}
return false;
}
function pubsubhubbub_subscribe($url, $channel, $xchan, $feed, $hubmode = 'subscribe')
{
$push_url = z_root() . '/pubsub/' . $channel['channel_address'] . '/' . $xchan['abook_id'];
$verify = get_abconfig($channel['channel_id'], $xchan['xchan_hash'], 'pubsubhubbub', 'verify_token');
if (!$verify) {
$verify = set_abconfig($channel['channel_id'], $xchan['xchan_hash'], 'pubsubhubbub', 'verify_token', random_string(16));
}
if ($feed) {
set_xconfig($xchan['xchan_hash'], 'system', 'feed_url', $feed);
} else {
$feed = get_xconfig($xchan['xchan_hash'], 'system', 'feed_url');
}
$params = 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($feed) . '&hub.verify=async&hub.verify_token=' . $verify;
logger('subscribe_to_hub: ' . $hubmode . ' ' . $xchan['xchan_name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify);
$x = z_post_url($url, $params);
logger('subscribe_to_hub: returns: ' . $x['return_code'], LOGGER_DEBUG);
return;
}
function set_aconfig($account_id, $family, $key, $value)
{
return set_xconfig('a_' . $account_id, $family, $key, $value);
}
/**
* @brief This function provides the API endpoints, primarily called by the
* JavaScript functions via $.post() calls.
*
* @return json JSON-formatted structures with a "status" indicator for success
* as well as other requested data
*/
function chess_post(&$a)
{
if (argc() > 1) {
switch (argv(1)) {
// API: /chess/settings
// Updates game settings for the observer
case 'settings':
$observer = App::get_observer();
$settings = x($_POST, 'settings') ? $_POST['settings'] : null;
$settings = json_decode($settings, true);
if (!isset($settings['notify_enabled'])) {
json_return_and_die(array('errormsg' => 'Invalid settings', 'status' => false));
}
$notify_enable = intval($settings['notify_enabled']);
set_xconfig($observer['xchan_hash'], 'chess', 'notifications', $notify_enable);
json_return_and_die(array('status' => true));
// API: /chess/resume
// Resumes a game specified by "game_id" allowing further moves
// API: /chess/resume
// Resumes a game specified by "game_id" allowing further moves
case 'resume':
$observer = App::get_observer();
$game_id = x($_POST, 'game_id') ? $_POST['game_id'] : '';
$g = chess_get_game($game_id);
if (!$g['status']) {
json_return_and_die(array('errormsg' => 'Invalid game', 'status' => false));
}
// Verify that observer is a valid player
$game = json_decode($g['game']['obj'], true);
if (!in_array($observer['xchan_hash'], $game['players'])) {
json_return_and_die(array('errormsg' => 'You are not a valid player', 'status' => false));
}
$success = chess_resume_game($g['game']);
if (!$success) {
json_return_and_die(array('errormsg' => 'Error resuming game', 'status' => false));
} else {
json_return_and_die(array('status' => true));
}
// API: /chess/end
// Ends a game specified by "game_id" preventing further moves
// API: /chess/end
// Ends a game specified by "game_id" preventing further moves
case 'end':
$observer = App::get_observer();
$game_id = x($_POST, 'game_id') ? $_POST['game_id'] : '';
$g = chess_get_game($game_id);
if (!$g['status']) {
json_return_and_die(array('errormsg' => 'Invalid game', 'status' => false));
}
// Verify that observer is a valid player
$game = json_decode($g['game']['obj'], true);
if (!in_array($observer['xchan_hash'], $game['players'])) {
json_return_and_die(array('errormsg' => 'You are not a valid player', 'status' => false));
}
$success = chess_end_game($g['game']);
if (!$success) {
json_return_and_die(array('errormsg' => 'Error ending game', 'status' => false));
} else {
json_return_and_die(array('status' => true));
}
// API: /chess/delete
// Deletes a game specified by "game_id"
// API: /chess/delete
// Deletes a game specified by "game_id"
case 'delete':
if (!local_channel()) {
json_return_and_die(array('errormsg' => 'Must be local channel.', 'status' => false));
}
$channel = App::get_channel();
$game_id = x($_POST, 'game_id') ? $_POST['game_id'] : '';
$d = chess_delete_game($game_id, $channel);
if (!$d['status']) {
json_return_and_die(array('errormsg' => 'Error deleting game', 'status' => false));
} else {
json_return_and_die(array('status' => true));
}
// API: /chess/revert
// Reverts a game specified by "game_id" to a previous board position
// specified by the "mid" of the child post of the original game post
// in the item table
// TODO: Determine why the board position in the game item is not actually
// being reverted
// API: /chess/revert
// Reverts a game specified by "game_id" to a previous board position
// specified by the "mid" of the child post of the original game post
// in the item table
// TODO: Determine why the board position in the game item is not actually
// being reverted
case 'revert':
$observer = App::get_observer();
$game_id = $_POST['game_id'];
$g = chess_get_game($game_id);
if (!$g['status']) {
json_return_and_die(array('errormsg' => 'Invalid game', 'status' => false));
}
// Verify that observer is a valid player
$game = json_decode($g['game']['obj'], true);
if (!in_array($observer['xchan_hash'], $game['players'])) {
json_return_and_die(array('errormsg' => 'You are not a valid player', 'status' => false));
}
$active = $game['active'] === $observer['xchan_hash'] ? true : false;
if (!$active) {
json_return_and_die(array('errormsg' => 'It is not your turn', 'status' => false));
}
$r = chess_revert_position($g['game'], $observer, $_POST['mid']);
if (!$r['status']) {
json_return_and_die(array('errormsg' => 'Error reverting game', 'status' => false));
}
json_return_and_die(array('status' => true));
// API: /chess/history
// Retrieves all the board positions for a game in order to populate the
// history viewer in the control panel
// API: /chess/history
// Retrieves all the board positions for a game in order to populate the
// history viewer in the control panel
case 'history':
$observer = App::get_observer();
$game_id = $_POST['game_id'];
$g = chess_get_game($game_id);
if (!$g['status']) {
json_return_and_die(array('errormsg' => 'Invalid game', 'status' => false));
}
// Verify that observer is a valid player
$game = json_decode($g['game']['obj'], true);
if (!in_array($observer['xchan_hash'], $game['players'])) {
json_return_and_die(array('errormsg' => 'You are not a valid player', 'status' => false));
}
$player = array_search($observer['xchan_hash'], $game['players']);
$h = chess_get_history($g['game']);
if (!$h['status']) {
json_return_and_die(array('errormsg' => 'Error retrieving game history', 'status' => false));
}
json_return_and_die(array('history' => $h['history'], 'status' => true));
// API: /chess/update
// Updates a game specified by "game_id" with a new board position specified
// by "newPosFEN" in FEN-format
// API: /chess/update
// Updates a game specified by "game_id" with a new board position specified
// by "newPosFEN" in FEN-format
case 'update':
$observer = App::get_observer();
$game_id = $_POST['game_id'];
$g = chess_get_game($game_id);
if (!$g['status']) {
json_return_and_die(array('errormsg' => 'Invalid game', 'status' => false));
}
// Verify that observer is a valid player
$game = json_decode($g['game']['obj'], true);
if (!in_array($observer['xchan_hash'], $game['players'])) {
json_return_and_die(array('errormsg' => 'You are not a valid player', 'status' => false));
}
$player = array_search($observer['xchan_hash'], $game['players']);
$active = $game['active'] === $game['players'][$player] ? true : false;
json_return_and_die(array('position' => $game['position'], 'myturn' => $active, 'ended' => $game['ended'], 'status' => true));
// API: /chess/move
// Adds a new board position by creating a child post for the original
// game item.
// API: /chess/move
// Adds a new board position by creating a child post for the original
// game item.
case 'move':
$observer = App::get_observer();
$game_id = $_POST['game_id'];
$newPosFEN = $_POST['newPosFEN'];
$g = chess_get_game($game_id);
if (!$g['status']) {
notice(t('Invalid game.') . EOL);
json_return_and_die(array('errormsg' => 'Invalid game ID', 'status' => false));
}
// Verify that observer is a valid player
$game = json_decode($g['game']['obj'], true);
if (!in_array($observer['xchan_hash'], $game['players'])) {
notice(t('You are not a player in this game.') . EOL);
goaway('/chess');
}
$player = array_search($observer['xchan_hash'], $game['players']);
$color = $game['colors'][$player];
$active = $game['active'] === $observer['xchan_hash'] ? true : false;
if (!$active) {
json_return_and_die(array('errormsg' => 'It is not your turn', 'status' => false));
}
if (x($game, 'ended') && intval($game['ended']) === 1) {
json_return_and_die(array('errormsg' => 'The game is over', 'status' => false));
}
$move = chess_make_move($observer, $newPosFEN, $g['game']);
if ($move['status']) {
$active_xchan = $game['players'][0] === $observer['xchan_hash'] ? $game['players'][1] : $game['players'][0];
if (chess_set_position(chess_get_game($game_id)['game'], $newPosFEN)) {
chess_set_active(chess_get_game($game_id)['game'], $active_xchan);
}
json_return_and_die(array('status' => true));
} else {
json_return_and_die(array('errormsg' => 'Move failed', 'status' => false));
}
default:
break;
}
}
if (argc() > 2) {
switch (argv(2)) {
// API: /chess/[channelname]/new/
// This endpoint handles the new game form submission and creates a new
// game between two channels specified by the standard ACL
case 'new':
if (!local_channel()) {
notice(t('You must be a local channel to create a game.') . EOL);
return;
}
// Ensure ACL specifies exactly one other channel
$channel = App::get_channel();
$acl = new Zotlabs\Access\AccessList($channel);
$acl->set_from_array($_REQUEST);
$perms = $acl->get();
$allow_cid = expand_acl($perms['allow_cid']);
$valid = 0;
if (count($allow_cid) > 1) {
foreach ($allow_cid as $allow) {
if ($allow == $channel['channel_hash']) {
continue;
}
$valid++;
}
}
if ($valid != 1) {
notice(t('You must select one opponent that is not yourself.') . EOL);
return;
} else {
info(t('Creating new game...') . EOL);
// Get the game owner's color choice
$color = '';
if ($_POST['color'] === 'white' || $_POST['color'] === 'black') {
$color = $_POST['color'];
} else {
notice(t('You must select white or black.') . EOL);
return;
}
$game = chess_create_game($channel, $color, $acl);
if ($game['status']) {
goaway('/chess/' . $channel['channel_address'] . '/' . $game['item']['resource_id']);
} else {
notice(t('Error creating new game.') . EOL);
}
return;
}
default:
break;
}
}
}
