REL-0.9 Intranet refactoring

.devilbox/www/include/lib/container/Httpd.php

@@ -0,0 +1,202 @@
+<?php
+namespace devilbox;
+
+/**
+ * @requires devilbox::Logger
+ */
+class Httpd extends BaseClass implements BaseInterface
+{
+
+	private $_docRoot = '/shared/httpd';
+
+	/*********************************************************************************
+	 *
+	 * Select/Check Functions
+	 *
+	 *********************************************************************************/
+
+	/**
+	 * Check single mass virtual host
+	 *
+	 * @param  string $vhost Virtual Host name
+	 * @return string Errors
+	 */
+	public function checkVirtualHost($vhost)
+	{
+		$htdocs		= $this->_docRoot . DIRECTORY_SEPARATOR . $vhost . DIRECTORY_SEPARATOR . 'htdocs';
+		$domain		= $vhost . '.' . $this->getTldSuffix();
+		$url		= 'http://'.$domain;
+		$error		= array();
+
+		// 1. Check htdocs folder
+		if (!$this->_is_valid_dir($htdocs)) {
+			$error[] = 'Missing <strong>htdocs</strong> directory in: <strong>'.loadClass('Helper')->getEnv('HOST_PATH_HTTPD_DATADIR').'/'.$vhost.'/</strong>';
+		}
+
+		if ($GLOBALS['ENABLE_VHOST_DNS_CHECK']) {
+
+			// 2. Check /etc/resolv DNS entry
+			$output;
+			if (loadClass('Helper')->exec('getent hosts '.$domain, $output) !== 0) {
+				$error[] = 'Missing entry in <strong>/etc/hosts</strong>:<br/><code>127.0.0.1 '.$domain.'</code>';
+			}
+
+
+			// 3. Check correct /etc/resolv entry
+			$dns_ip = '127.0.0.1';
+			if (isset($output[0])) {
+				$tmp = explode(' ', $output[0]);
+				if (isset($tmp[0])) {
+					$dns_ip = $tmp[0];
+				}
+			}
+			if ($dns_ip != '127.0.0.1') {
+				$error[] = 'Error in <strong>/etc/hosts</strong><br/>'.
+							'Found:<br/>'.
+							'<code>'.$dns_ip.' '.$domain.'</code><br/>'.
+							'But it should be:<br/>'.
+							'<code>127.0.0.1 '.$domain.'</code><br/>';
+			}
+		}
+
+		if (is_array($error) && count($error)) {
+			return implode('<br/>', $error);
+		} else {
+			return '';
+		}
+	}
+
+
+
+	/**
+	 * Get all mass virtual Hosts by directories
+	 *
+	 * @return mixed[]
+	 */
+	public function getVirtualHosts()
+	{
+		$docRoot	= $this->_docRoot;
+		$vhosts		= array();
+
+		if ($handle = opendir($docRoot)) {
+			while (false !== ($directory = readdir($handle))) {
+				if ($this->_is_valid_dir($docRoot . DIRECTORY_SEPARATOR . $directory) && $directory != '.' && $directory != '..') {
+
+					$vhosts[] = array(
+						'name'		=> $directory,
+						'domain'	=> $directory .'.' . $this->getTldSuffix(),
+						'href'		=> 'http://' . $directory . '.' . $this->getTldSuffix()
+					);
+				}
+			}
+		}
+		return $vhosts;
+	}
+
+
+	public function getTldSuffix()
+	{
+		return loadClass('Helper')->getEnv('TLD_SUFFIX');
+	}
+
+	/**
+	 * Get HTTP port.
+	 *
+	 * @return string
+	 */
+	public function getPort()
+	{
+		$port = loadClass('Helper')->getEnv('HOST_PORT_HTTPD');
+
+		if ( empty($port) ) {
+			return '';
+		}
+
+		if ( $port == 80 ) {
+			return '';
+		}
+
+		return ":$port";
+	}
+
+	/*********************************************************************************
+	 *
+	 * Interface required functions
+	 *
+	 *********************************************************************************/
+
+	private $_can_connect = array();
+	private $_can_connect_err = array();
+
+	public function canConnect(&$err, $hostname, $data = array())
+	{
+		$err = false;
+
+		// Return if already cached
+		if (isset($this->_can_connect[$hostname])) {
+			// Assume error for unset error message
+			$err = isset($this->_can_connect_err[$hostname]) ? $this->_can_connect_err[$hostname] : true;
+			return $this->_can_connect[$hostname];
+		}
+
+		// Silence errors and try to connect
+		$url = 'http://'.$hostname.'/'.$GLOBALS['DEVILBOX_API_PAGE'];
+		$ch = curl_init($url);
+		curl_setopt($ch, CURLOPT_NOBODY, true);
+		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
+		curl_exec($ch);
+		$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+		curl_close($ch);
+
+		if ($http_code == 0) {
+			$err = 'Failed to connect to Httpd host on '.$hostname;
+			$this->_can_connect[$hostname] = false;
+		} else {
+			$this->_can_connect[$hostname] = true;
+		}
+
+		$this->_can_connect_err[$hostname] = $err;
+		return $this->_can_connect[$hostname];
+	}
+
+	public function getName($default = 'Httpd')
+	{
+		$name = loadClass('Helper')->egrep('/[a-zA-Z0-9]+/', $_SERVER['SERVER_SOFTWARE']);
+		if (!$name) {
+			loadClass('Logger')->error('Could not get Httpd name');
+			return $default;
+		}
+		return $name;
+	}
+
+	public function getVersion()
+	{
+		$version = loadClass('Helper')->egrep('/[.0-9]+/', $_SERVER['SERVER_SOFTWARE']);
+		if (!$version) {
+			loadClass('Logger')->error('Could not get Httpd version');
+			return '';
+		}
+		return $version;
+	}
+
+
+
+	/*********************************************************************************
+	 *
+	 * Private functions
+	 *
+	 *********************************************************************************/
+
+	/**
+	 * Check if the directory exists or
+	 * in case of a symlink the target is an
+	 * existing directory.
+	 *
+	 * @param  string $path The path.
+	 * @return boolean
+	 */
+	private function _is_valid_dir($path)
+	{
+		return (is_dir($path) || (is_link($path) && is_dir(readlink($path))));
+	}
+}