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<?php |
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/** |
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* Copyright 2014 Fabian Grutschus. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, this |
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* list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* The views and conclusions contained in the software and documentation are those |
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* of the authors and should not be interpreted as representing official policies, |
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* either expressed or implied, of the copyright holders. |
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* |
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* @author Fabian Grutschus <[email protected]> |
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* @copyright 2014 Fabian Grutschus. All rights reserved. |
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* @license BSD |
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* @link http://github.com/fabiang/xmpp |
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*/ |
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namespace Fabiang\Xmpp\EventListener\Stream; |
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use Fabiang\Xmpp\Event\XMLEvent; |
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use Fabiang\Xmpp\EventListener\AbstractEventListener; |
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use Fabiang\Xmpp\EventListener\BlockingEventListenerInterface; |
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use Fabiang\Xmpp\Connection\SocketConnectionInterface; |
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/** |
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* Listener |
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* |
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* @package Xmpp\EventListener |
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*/ |
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class StartTls extends AbstractEventListener implements BlockingEventListenerInterface |
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{ |
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/** |
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* Listener blocks stream. |
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* |
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* @var boolean |
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*/ |
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protected $blocking = false; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function attachEvents() |
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{ |
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3 |
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$input = $this->getInputEventManager(); |
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3 |
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$input->attach('{urn:ietf:params:xml:ns:xmpp-tls}starttls', [$this, 'starttlsEvent']); |
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$input->attach('{urn:ietf:params:xml:ns:xmpp-tls}proceed', [$this, 'proceed']); |
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} |
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/** |
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* Send start tls command. |
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* |
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* @param XMLEvent $event XMLEvent object |
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*/ |
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public function starttlsEvent(XMLEvent $event) |
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{ |
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if (false === $event->isStartTag()) { |
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$this->blocking = true; |
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$connection = $this->getConnection(); |
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$connection->setReady(false); |
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$connection->send('<starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/>'); |
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} |
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} |
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/** |
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* Start TLS response. |
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* |
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* @param XMLEvent $event XMLEvent object |
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* @return void |
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*/ |
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public function proceed(XMLEvent $event) |
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{ |
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if (false === $event->isStartTag()) { |
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$this->blocking = false; |
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$connection = $this->getConnection(); |
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if ($connection instanceof SocketConnectionInterface) { |
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$connection->getSocket()->crypto(true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT); |
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} |
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$connection->resetStreams(); |
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$connection->connect(); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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3 |
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public function isBlocking() |
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{ |
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return $this->blocking; |
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} |
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} |
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fabiang /
xmpp
