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<?php |
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namespace PHPDaemon\Clients\XMPP; |
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use PHPDaemon\Traits\EventHandlers; |
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class XMPPRoster |
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{ |
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use EventHandlers; |
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use \PHPDaemon\Traits\ClassWatchdog; |
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use \PHPDaemon\Traits\StaticObjectWatchdog; |
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/** |
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* @var Connection |
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*/ |
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public $xmpp; |
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/** |
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* @var array |
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*/ |
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public $roster_array = []; |
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/** |
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* @var boolean |
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*/ |
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public $track_presence = true; |
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/** |
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* @var boolean |
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*/ |
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public $auto_subscribe = true; |
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/** |
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* @var string |
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*/ |
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public $ns = 'jabber:iq:roster'; |
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/** |
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* Constructor |
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* @param Connection $xmpp |
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*/ |
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public function __construct($xmpp) |
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{ |
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$this->xmpp = $xmpp; |
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$this->xmpp->xml->addXPathHandler('{jabber:client}presence', function ($xml) { |
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$payload = []; |
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$payload['type'] = (isset($xml->attrs['type'])) ? $xml->attrs['type'] : 'available'; |
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$payload['show'] = (isset($xml->sub('show')->data)) ? $xml->sub('show')->data : $payload['type']; |
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$payload['from'] = $xml->attrs['from']; |
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$payload['status'] = (isset($xml->sub('status')->data)) ? $xml->sub('status')->data : ''; |
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$payload['priority'] = (isset($xml->sub('priority')->data)) ? intval($xml->sub('priority')->data) : 0; |
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$payload['xml'] = $xml; |
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if (($payload['from'] === $this->xmpp->fulljid) && $payload['type'] === 'unavailable') { |
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$this->xmpp->finish(); |
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} |
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if ($this->track_presence) { |
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$this->setPresence($payload['from'], $payload['priority'], $payload['show'], $payload['status']); |
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} |
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//Daemon::log("Presence: {$payload['from']} [{$payload['show']}] {$payload['status']}"); |
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if (array_key_exists('type', $xml->attrs) and $xml->attrs['type'] === 'subscribe') { |
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if ($this->auto_subscribe) { |
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$this->xmpp->sendXML("<presence type='subscribed' to='{$xml->attrs['from']}' from='{$this->xmpp->fulljid}' />"); |
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$this->xmpp->sendXML("<presence type='subscribe' to='{$xml->attrs['from']}' from='{$this->xmpp->fulljid}' />"); |
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} |
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$this->event('subscription_requested', $payload); |
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} elseif (array_key_exists('type', $xml->attrs) and $xml->attrs['type'] === 'subscribed') { |
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$this->event('subscription_accepted', $payload); |
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} else { |
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$this->event('presence', $payload); |
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} |
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}); |
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$this->fetch(); |
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} |
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/** |
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* @TODO |
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* @param string $xml |
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* @param callable $cb |
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* @callback $cb ( ) |
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*/ |
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public function rosterSet($xml, $cb = null) |
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{ |
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$this->xmpp->querySetTo($this->xmpp->fulljid, $this->ns, $xml, $cb); |
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} |
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/** |
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* @TODO |
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* @param string $jid |
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* @param string $type |
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* @param callable $cb |
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* @callback $cb ( ) |
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*/ |
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public function setSubscription($jid, $type, $cb = null) |
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{ |
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$this->rosterSet('<item jid="' . htmlspecialchars($jid) . '" subscription="' . htmlspecialchars($type) . '" />', |
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$cb); |
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} |
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/** |
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* @TODO |
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* @param callable $cb |
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* @callback $cb ( ) |
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*/ |
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public function fetch($cb = null) |
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{ |
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$this->xmpp->queryGet($this->ns, function ($xml) use ($cb) { |
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$status = "result"; |
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$xmlroster = $xml->sub('query'); |
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$contacts = []; |
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foreach ($xmlroster->subs as $item) { |
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$groups = []; |
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if ($item->name === 'item') { |
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$jid = $item->attrs['jid']; //REQUIRED |
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$name = isset($item->attrs['name']) ? $item->attrs['name'] : ''; //MAY |
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$subscription = $item->attrs['subscription']; |
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foreach ($item->subs as $subitem) { |
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if ($subitem->name === 'group') { |
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$groups[] = $subitem->data; |
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} |
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} |
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$contacts[] = [$jid, $subscription, $name, $groups]; //Store for action if no errors happen |
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} else { |
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$status = 'error'; |
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} |
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} |
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if ($status === 'result') { //No errors, add contacts |
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foreach ($contacts as $contact) { |
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$this->_addContact($contact[0], $contact[1], $contact[2], $contact[3]); |
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} |
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} |
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if ($xml->attrs['type'] === 'set') { |
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$this->xmpp->sendXML('<iq type="reply" id="' . $xml->attrs['id'] . '" to="' . $xml->attrs['from'] . '" />'); |
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} |
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if ($cb) { |
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$cb($status); |
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} |
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}); |
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} |
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/** |
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* Add given contact to roster |
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* @param string $jid |
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* @param string $subscription |
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* @param string $name |
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* @param array $groups |
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*/ |
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public function _addContact($jid, $subscription, $name = '', $groups = []) |
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{ |
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$contact = ['jid' => $jid, 'subscription' => $subscription, 'name' => $name, 'groups' => $groups]; |
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if ($this->isContact($jid)) { |
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$this->roster_array[$jid]['contact'] = $contact; |
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} else { |
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$this->roster_array[$jid] = ['contact' => $contact]; |
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} |
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} |
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/** |
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* Retrieve contact via jid |
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* @param string $jid |
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* @return array|null |
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*/ |
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public function getContact($jid) |
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{ |
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if ($this->isContact($jid)) { |
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return $this->roster_array[$jid]['contact']; |
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} |
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return null; |
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} |
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/** |
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* Discover if a contact exists in the roster via jid |
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* @param string $jid |
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* @return boolean |
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*/ |
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public function isContact($jid) |
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{ |
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return array_key_exists($jid, $this->roster_array); |
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} |
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/** |
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* Set presence |
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* @param string $presence |
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* @param integer $priority |
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* @param string $show |
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* @param string $status |
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*/ |
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public function setPresence($presence, $priority, $show, $status) |
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{ |
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list($jid, $resource) = explode('/', $presence . '/'); |
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if ($show !== 'unavailable') { |
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if (!$this->isContact($jid)) { |
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$this->_addContact($jid, 'not-in-roster'); |
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} |
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$this->roster_array[$jid]['presence'][$resource] = [ |
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'priority' => $priority, |
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'show' => $show, |
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'status' => $status |
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]; |
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} else { //Nuke unavailable resources to save memory |
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unset($this->roster_array[$jid]['resource'][$resource]); |
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} |
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} |
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/** |
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* Return best presence for jid |
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* @param string $jid |
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* @return array|false |
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*/ |
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public function getPresence($jid) |
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{ |
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$split = split("/", $jid); |
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$jid = $split[0]; |
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if (!$this->isContact($jid)) { |
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return false; |
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} |
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$current = [ |
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'resource' => '', |
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'active' => '', |
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'priority' => -129, |
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'show' => '', |
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'status' => '' |
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]; //Priorities can only be -128 = 127 |
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foreach ($this->roster_array[$jid]['presence'] as $resource => $presence) { |
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//Highest available priority or just highest priority |
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if ($presence['priority'] > $current['priority'] && (($presence['show'] === 'chat' || $presence['show'] === 'available') or ($current['show'] !== 'chat' or $current['show'] !== 'available'))) { |
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$current = $presence; |
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$current['resource'] = $resource; |
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} |
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} |
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return $current; |
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} |
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} |
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kakserpom /
phpdaemon
Loading history...
Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.
The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production.
This check looks for comments that seem to be mostly valid code and reports them.