<?php
namespace cPanel;
/**************************************************************************************
 * Copyright (c) 2013, cPanel, Inc.                                                   *
 * 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. 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 HOLDER 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.                                      *
 *                                                                                    *
 * PHP implementation of cPanel's LogMeIn.pm by Kevin Mark                            *
 **************************************************************************************/
class LogMeIn {
    // The available services with their HTTPS ports
    // The available services with their HTTPS ports
    private static $servicePorts = array('cpanel' => 2083, 'whm' => 2087, 'webmail' => 2096);
    public static function getLoggedInUrl($user, $pass, $hostname, $service, $goto = '/') {
        // If no valid service has been given, default to cPanel
        $port = isset(self::$servicePorts[$service]) ? self::$servicePorts[$service] : 2083;
        $ch = curl_init();
        $fields = array('user' => $user, 'pass' => $pass, 'goto_uri' => $goto);
        // Sets the POST URL to something like: https://example.com:2083/login/
        curl_setopt($ch, CURLOPT_URL, 'https://' . $hostname . ':' . $port . '/login/');
        curl_setopt($ch, CURLOPT_POST, true);
        //curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        // Turn our array of fields into a url encoded query string i.e.: ?user=foo&pass=bar
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($fields));
        // RFC 2616 14.10 compliance
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection' => 'close'));
        curl_setopt($ch, CURLOPT_HEADER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        
        // Execute POST query returning both the response headers and content into $page
        $page = curl_exec($ch);
        //$pageh = curl_getinfo($ch);
        
        curl_close($ch);
        $session = $token = array();
        // Find the session cookie in the page headers
        if(!preg_match('/session=([^\;]+)/', $page, $session)) {
            // This will also fail if the login authentication failed. No need to explicitly check for it.
            return '1';
        }
        // Find the cPanel session token in the page content
        if(!preg_match('|<META HTTP-EQUIV="refresh"[^>]+URL=/(cpsess\d+)/|i', $page, $token)) {
            return '2';
        }
        // Append the goto_uri to the query string if it's been manually set
        $extra = $goto == '/' ? '' : '&goto_uri=' . urlencode($goto);
        return 'https://' . $hostname . ':' . $port . '/' . $token[1] . '/login/?session=' . $session[1] . $extra;
        
        /////////
        
        /*
         * a:26:{s:3:"url";s:22:"HTTP://62.210.248.210/";s:12:"content_type";s:26:"text/html; charset="utf-8"";s:9:"http_code";i:301;s:11:"header_size";
         * i:238;s:12:"request_size";i:111;s:8:"filetime";i:-1;s:17:"ssl_verify_result";i:0;s:14:"redirect_count";i:0;
         * s:10:"total_time";d:0.2261130000000000084270368461147882044315338134765625;
         * s:15:"namelookup_time";d:0.00011600000000000000068001160258290838100947439670562744140625;
         * s:12:"connect_time";d:0.11185299999999999409627804425326758064329624176025390625;
         * s:16:"pretransfer_time";d:0.111924999999999996713739847109536640346050262451171875;
         * s:11:"size_upload";d:0;s:13:"size_download";d:119;s:14:"speed_download";d:526;
         * s:12:"speed_upload";d:0;s:23:"download_content_length";d:119;s:21:"upload_content_length";d:-1;
         * s:18:"starttransfer_time";d:0.22605699999999995242205841350369155406951904296875;s:13:"redirect_time";d:0;
         * s:12:"redirect_url";s:35:"https://server.eurohost.com.br:2083";s:10:"primary_ip";s:14:"62.210.248.210";
         * s:8:"certinfo";a:0:{}s:12:"primary_port";i:2083;s:8:"local_ip";s:15:"104.238.136.221";s:10:"local_port";i:42450;}
         */
    }
}