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<?php |
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/** |
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* \AppserverIo\Server\Contexts\StreamContext |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Johann Zelger <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/server |
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* @link http://www.appserver.io |
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*/ |
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namespace AppserverIo\Server\Contexts; |
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use AppserverIo\Server\Exceptions\ServerException; |
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use AppserverIo\Server\Interfaces\StreamContextInterface; |
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class StreamContext implements StreamContextInterface |
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{ |
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/** |
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* Constructs the stream context object |
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* |
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* @param array $defaultOptions The default options to instantiate the context with |
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*/ |
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public function __construct(array $defaultOptions = array()) |
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{ |
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// setup internal php resource |
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$this->resource = stream_context_create($defaultOptions); |
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} |
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/** |
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* Sets an options to the internal resource context object |
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* |
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* @param string $wrapper The wrapper section of the option |
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* @param string $option The option key |
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* @param mixed $value The value to set for option in specific wrapper section |
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* |
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* @return bool true on success or false on failure |
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*/ |
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public function setOption($wrapper, $option, $value) |
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{ |
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return stream_context_set_option($this->getResource(), $wrapper, $option, $value); |
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} |
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/** |
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* Returns an specific options in certain wrapper section |
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* |
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* @param unknown $wrapper The wrapper section of the option |
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* @param unknown $option The option key to get the value for |
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* |
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* @return mixed The options value null if nothing exists |
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*/ |
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public function getOption($wrapper, $option) |
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{ |
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$value = null; |
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$options = stream_context_get_options($this->getResource()); |
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if (isset($options[$wrapper][$option])) { |
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$value = $options[$wrapper][$option]; |
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} |
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return $value; |
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} |
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/** |
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* Returns all options set on internal stream context resource |
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* |
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* @return array all options |
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*/ |
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public function getOptions() |
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{ |
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return stream_context_get_options($this->getResource()); |
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} |
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/** |
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* Adds a server ssl certificate for specific domain using the sni feature |
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* |
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* @param string $domain The domain for the certificate to use |
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* @param string $certPath The path to the bundled certificate file |
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* @param bool $overwrite If an existing domain entry should be overwritten or not |
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* |
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* @return bool true on success or false on failure |
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*/ |
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public function addSniServerCert($domain, $certPath, $overwrite = true) |
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{ |
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// get existing server certs |
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$sniServerCerts = $this->getOption('ssl', 'SNI_server_certs'); |
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// check if sni server certs are set already or new should be started |
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if (!is_array($sniServerCerts)) { |
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$sniServerCerts = array(); |
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} |
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// check if domain key exists and no overwrite is wanted |
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if (isset($sniServerCerts[$domain]) && $overwrite === false) { |
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return false; |
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} |
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// check if cert exists |
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if (!is_file($certPath)) { |
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throw new ServerException( |
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sprintf("SSL certificate '%s' does not exist for domain '%s'.", $certPath, $domain) |
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); |
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} |
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// check if cert is valid for server usage |
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$x509_res = openssl_x509_read(file_get_contents($certPath)); |
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$valid = openssl_x509_checkpurpose($x509_res, X509_PURPOSE_SSL_SERVER, array($certPath)); |
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if ($valid === true) { |
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// if its valid, add it to sni server certs |
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$sniServerCerts[$domain] = $certPath; |
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} else { |
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throw new ServerException( |
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sprintf("SSL certificate '%s' is not valid for domain '%s'.", $certPath, $domain) |
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); |
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} |
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// add it to array |
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$sniServerCerts[$domain] = $certPath; |
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// add sni server certs array back to stream context resource instance |
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return $this->setOption('ssl', 'SNI_server_certs', $sniServerCerts); |
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} |
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/** |
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* Returns the internal php stream context resource for php stream usage compatibility |
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* |
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* @return resource |
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*/ |
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public function getResource() |
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{ |
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return $this->resource; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: