aps_base.inc.php 3.91 KB
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<?php
/*
Copyright (c) 2012, ISPConfig UG
Contributors: web wack creations,  http://www.web-wack.at
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name of ISPConfig nor the names of its contributors
      may be used to endorse or promote products derived from this software without
      specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

// Constants describing instances
define('INSTANCE_PENDING', 0);
define('INSTANCE_INSTALL', 1);
define('INSTANCE_ERROR', 2);
define('INSTANCE_SUCCESS', 3);
define('INSTANCE_REMOVE', 4);

// Constants describing packages
define('PACKAGE_LOCKED', 1);
define('PACKAGE_ENABLED', 2);
define('PACKAGE_OUTDATED', 3);
define('PACKAGE_ERROR_NOMETA', 4);

class ApsBase
{
    protected $log_prefix = '';
    protected $fetch_url = '';
    protected $aps_version = '';
    protected $packages_dir = '';
    protected $temp_pkg_dir = '';
    protected $interface_pkg_dir = '';
    protected $interface_mode = false; // server mode by default

    /**
     * Constructor
     *
     * @param $app the application instance (db handle + log method)
     * @param $interface_mode act in interface (true) or server mode (false)
     * @param $log_prefix a prefix to set before all log entries
     */
    public function __construct($app, $log_prefix = 'APS: ', $interface_mode = false)
    {
        $this->log_prefix = $log_prefix;
        $this->interface_mode = $interface_mode;
        $this->fetch_url = 'apscatalog.com';
        $this->aps_version = '1';
        $this->packages_dir = ISPC_ROOT_PATH.'/aps_packages';
        $this->interface_pkg_dir = ISPC_ROOT_PATH.'/web/sites/aps_meta_packages';
    }
    
    /**
     * Converts a given value to it's native representation in 1024 units
     * 
     * @param $value the size to convert
     * @return integer and string 
     */
    public function convertSize($value)
    {
        $unit = array('Bytes', 'KB', 'MB', 'GB', 'TB');
        return @round($value/pow(1024, ($i = floor(log($value, 1024)))), 2).' '.$unit[$i];
    }
    
    /**
     * Determine a specific xpath from a given SimpleXMLElement handle. If the
     * element is found, it's string representation is returned. If not,
     * the return value will stay empty
     *
     * @param $xml_handle the SimpleXMLElement handle
     * @param $query the XPath query
     * @param $array define whether to return an array or a string
     * @return $ret the return string
     */
    protected function getXPathValue($xml_handle, $query, $array = false)
    {
        $ret = '';
        
        $xp_result = @($xml_handle->xpath($query)) ? $xml_handle->xpath($query) : false;
        if($xp_result !== false) $ret = (($array === false) ? (string)$xp_result[0] : $xp_result);
        
        return $ret;
    }
}
103
?>