<?php

/*********************************************************************************
 Copyright (c) 2003-2006 Armin Burger
 
 Permission is hereby granted, free of charge, to any person obtaining 
 a copy of this software and associated documentation files (the "Software"), 
 to deal in the Software without restriction, including without limitation 
 the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 and/or sell copies of the Software, and to permit persons to whom the Software 
 is furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included 
 in all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 
 FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR OR 
 COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**********************************************************************************/


/************************************************************************
 * Initializes basic configuration settings and writes 
   settings to PHP session.
   
   !!!THIS FILE IS NOT A CONFIG FILE FOR CUSTOMIZATION!!!
   !!!DO NOT EDIT THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!!!
   
 ************************************************************************/

/**
 * Config settings
 */

// Check if config is set via URL
if (isset($_GET['config'])) {
    $config = trim($_GET['config']);
} elseif (isset($_SESSION['config'])) {
    $config = $_SESSION['config'];
} else {
    $config = "";
}

$PM_BASECONFIG_DIR = str_replace('\\', '/', dirname(__FILE__));
$PM_INI_FILE = $PM_BASECONFIG_DIR . "/" . (strlen($config) > 0 ? "config_$config.ini" : "config.ini");
$ini = parse_ini_file($PM_INI_FILE); 

if (isset($ini['pm_config_location'])) {
    $PM_CONFIG_LOCATION  = $ini['pm_config_location'];
} else {
    $PM_CONFIG_LOCATION  = "default";
}

$PM_CONFIG_DIR = str_replace('\\', '/', realpath($PM_BASECONFIG_DIR . "/" . $PM_CONFIG_LOCATION));
$PM_JS_CONFIG  = $PM_CONFIG_LOCATION . "/" . "js_config.php";
$PM_PHP_CONFIG = $PM_CONFIG_LOCATION . "/" . "php_config.php";



/**
 * Map file
 */
$mapFileIni = trim($ini["mapFile"]);
// try as absolute path
if ($mapFileIni{0} == "/" || $mapFileIni{1} == ":") {
    $PM_MAP_FILE = str_replace('\\', '/', $mapFileIni);
// else as relative to $PM_CONFIG_DIR
} else {
    $PM_MAP_FILE = str_replace('\\', '/', realpath($PM_CONFIG_DIR . "/" . $mapFileIni));  
}

if (!file_exists($PM_MAP_FILE)) {
    error_log ("P.MAPPER-ERROR: Cannot find map file '$mapFileIni'. Check 'config.ini' file at section 'mapFile'.", 0);
    exit();
}


/**
 * Set character set for correct display of special characters
 */
if (isset($ini['defCharset'])) {
    $defCharset = $ini['defCharset'];
} else {
    $defCharset = "UTF-8";
}


/**
 * WEB location INCPHP 
 */
if (isset($ini['pm_incphp_location'])) {
    $PM_INCPHP_LOCATION  = trim($ini['pm_incphp_location']);
    $PM_INCPHP = str_replace('\\', '/', realpath(dirname(__FILE__) . "/../" . $PM_INCPHP_LOCATION));
    if (!$PM_INCPHP) {
        error_log("P.MAPPER-ERROR: location '$PM_INCPHP_LOCATION' not existing. Check config at section 'pm_incphp_location'");
        exit();
    }
} else {
    $PM_INCPHP_LOCATION = "incphp";
    $PM_INCPHP = str_replace('\\', '/', realpath(dirname(__FILE__) . "/../incphp"));
} 


/**
 * Directory location XAJAX 
 */
$PM_XAJAX_LOCATION = $PM_INCPHP_LOCATION . "/xajax/";



/**
 * Directory JAVASCRIPT 
 */
if (isset($ini['pm_javascript_location'])) {
    $PM_JAVASCRIPT  = trim($ini['pm_javascript_location']);
} else {
    $PM_JAVASCRIPT = "javascript";
}

if (!realpath(dirname(__FILE__) . "/../" . $PM_JAVASCRIPT)) {
    error_log("P.MAPPER-ERROR: location '$PM_JAVASCRIPT' not existing. Check config at section 'pm_javascript'");
    exit();
} else {
    $PM_JAVASCRIPT_REALPATH = realpath(dirname(__FILE__) . "/../" . $PM_JAVASCRIPT);
}


/**
 * MapServer version 
 */
if (isset($ini["msVersion"])) {
    $msVersion = $ini["msVersion"];
} else {
    error_log("P.MAPPER-ERROR: Missing entry for MapServer version. Check config at section 'msVersion'");
    exit();
}




/**
 * Application language
 */
if (isset($_GET['language'])) {
    $gLanguage = trim($_GET['language']);
} elseif (isset($_SESSION['language'])) {
    $gLanguage = trim($_SESSION['language']);
} elseif (isset($ini['pm_default_language'])) {
    $gLanguage = trim($ini['pm_default_language']);
} elseif (isset($_ENV['PM_DEFAULT_LANGUAGE'])) {
    $gLanguage = trim($_ENV['PM_DEFAULT_LANGUAGE']);
} else {
    $gLanguage = "en";   // default language
}



/**
 * Write vars to session
 */
$_SESSION['PM_BASECONFIG_DIR']  = $PM_BASECONFIG_DIR;
$_SESSION['PM_CONFIG_LOCATION'] = $PM_CONFIG_LOCATION;
$_SESSION['PM_CONFIG_DIR']      = $PM_CONFIG_DIR;
$_SESSION['PM_INCPHP']          = $PM_INCPHP;
$_SESSION['PM_INCPHP_LOCATION'] = $PM_INCPHP_LOCATION;
$_SESSION['PM_JAVASCRIPT']      = $PM_JAVASCRIPT;
$_SESSION['PM_MAP_FILE']        = $PM_MAP_FILE;

$_SESSION['gLanguage']  = $gLanguage;
$_SESSION['defCharset'] = $defCharset;
$_SESSION['msVersion']  = $msVersion;

$_SESSION['session_alive'] = 1;


?>