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<?php
// uncomment when developing, comment for shipping version
error_reporting (E_ERROR | E_WARNING | E_PARSE);
// Older versions of PHP do not define $_SERVER. Define it here instead.
if (!isset($_SERVER) && isset($_SERVER)) {
$_SERVER = &$_SERVER;
}
// Define some magic strings.
$ALL_CALENDARS_COMBINED = 'all_calendars_combined971';
// Pull in the configuration and some functions.
if (!defined('BASE')) define('BASE', './');
include_once(BASE.'config.inc.php');
include_once(BASE.'error.php');
include_once(BASE.'functions/calendar_functions.php');
include_once(BASE.'functions/userauth_functions.php');
if (isset($_COOKIE['phpicalendar'])) {
$phpicalendar = unserialize(stripslashes($_COOKIE['phpicalendar']));
if (isset($phpicalendar['cookie_language'])) $language = $phpicalendar['cookie_language'];
if (isset($phpicalendar['cookie_calendar'])) $default_cal_check = $phpicalendar['cookie_calendar'];
if (isset($phpicalendar['cookie_view'])) $default_view = $phpicalendar['cookie_view'];
if (isset($phpicalendar['cookie_style'])) $style_sheet = $phpicalendar['cookie_style'];
if (isset($phpicalendar['cookie_startday'])) $week_start_day = $phpicalendar['cookie_startday'];
if (isset($phpicalendar['cookie_time'])) $day_start = $phpicalendar['cookie_time'];
}
// Set the cookie URI.
if ($cookie_uri == '') {
$cookie_uri = $_SERVER['SERVER_NAME'].substr($_SERVER['PHP_SELF'],0,strpos($_SERVER['PHP_SELF'], '/'));
}
if ($bleed_time == '') $bleed_time = -1;
// Grab the action (login or logout).
if (isset($_GET['action'])) $action = $_GET['action'];
else if (isset($_POST['action'])) $action = $_POST['action'];
else $action = '';
// Login and/or logout.
list($username, $password, $invalid_login) = user_login();
if ($action != 'login') $invalid_login = false;
if ($action == 'logout' || $invalid_login) {
list($username, $password) = user_logout();
}
// language support
$language = strtolower($language);
$lang_file = BASE.'/languages/'.$language.'.inc.php';
if (file_exists(realpath($lang_file))) {
unset($lang);
include($lang_file);
} else {
exit(error('The requested language "'.$language.'" is not a supported language. Please use the configuration file to choose a supported language.'));
}
if (!isset($getdate)) {
if (isset($_GET['getdate']) && ($_GET['getdate'] !== '')) {
$getdate = $_GET['getdate'];
} else {
$getdate = date('Ymd', strtotime("now + $second_offset seconds"));
}
}
if (ini_get('max_execution_time') < 60) {
@ini_set('max_execution_time', '60');
}
if($_REQUEST['cpath']){
$cpath = $_REQUEST['cpath'];
$calendar_path .= "/$cpath";
$tmp_dir .= "/$cpath";
}
if ($calendar_path == '') {
$calendar_path = BASE.'calendars';
}
$is_webcal = FALSE;
if (isset($_GET['cal'])) {
//if we get a comma-separated list of calendars, split into array
if(stristr($_GET['cal'], ",")) {
$_GET['cal'] = explode(",", $_GET['cal']);
}
//if we have an array of calendard, decode each (though I'm not sure this is necessary)
if(is_array($_GET['cal'])) {
$cal_filename = array();
foreach($_GET['cal'] as $c) {
$cal_filename[] = urldecode($c);
}
}
else {
$cal_filename = urldecode($_GET['cal']);
}
} else {
if (isset($default_cal_check)) {
if ($default_cal_check != $ALL_CALENDARS_COMBINED) {
$calcheck = $calendar_path.'/'.$default_cal_check.'.ics';
$calcheckopen = @fopen($calcheck, "r");
if ($calcheckopen == FALSE) {
$cal_filename = $default_cal;
} else {
$cal_filename = $default_cal_check;
}
} else {
$cal_filename = $ALL_CALENDARS_COMBINED;
}
} else {
$cal_filename = $default_cal;
}
}
if (!is_array($cal_filename) && (substr($cal_filename, 0, 7) == 'http://' || substr($cal_filename, 0, 8) == 'https://' || substr($cal_filename, 0, 9) == 'webcal://')) {
$is_webcal = TRUE;
$cal_webcalPrefix = str_replace('http://','webcal://',$cal_filename);
$cal_httpPrefix = str_replace('webcal://','http://',$cal_filename);
$cal_httpsPrefix = str_replace('webcal://','https://',$cal_filename);
$cal_httpsPrefix = str_replace('http://','https://',$cal_httpsPrefix);
$cal_filename = $cal_httpPrefix;
}
if ($is_webcal == TRUE) {
if ($allow_webcals == 'yes' || in_array($cal_webcalPrefix, $list_webcals) || in_array($cal_httpPrefix, $list_webcals) || in_array($cal_httpsPrefix, $list_webcals)) {
$cal_displayname = substr(str_replace('32', ' ', basename($cal_filename)), 0, -4);
$cal = urlencode($cal_filename);
$filename = $cal_filename;
$subscribe_path = $cal_webcalPrefix;
// empty the filelist array
$cal_filelist = array();
array_push($cal_filelist,$filename);
} else {
exit(error($lang['l_error_remotecal'], $_GET['cal']));
}
} else {
$cal_displayname = str_replace('32', ' ', (is_array($cal_filename) ? implode(", ", $cal_filename) : $cal_filename));
if(is_array($cal_filename)) {
$cal = array();
$blacklisted = FALSE;
foreach($cal_filename as $c) {
$cal[] = urlencode($c);
if(in_array($c, $blacklisted_cals)) $blacklisted = TRUE;
}
$cal = implode(",", $cal);
}
else {
$cal = urlencode($cal_filename);
$blacklisted = in_array($cal_filename, $blacklisted_cals);
}
if ($blacklisted) {
exit(error($lang['l_error_restrictedcal'], $cal_filename));
} else {
if (!isset($filename)) {
$cal_filelist = availableCalendars($username, $password, $cal_filename);
if (count($cal_filelist) == 1) $filename = $cal_filelist[0];
}
// Sets the download and subscribe paths from the config if present.
if (isset($filename)) {
if (($download_uri == '') && (preg_match('/(^\/|\.\.\/)/', $filename) == 0)) {
$subscribe_path = 'webcal://'.$_SERVER['SERVER_NAME'].dirname($_SERVER['PHP_SELF']).'/'."$cpath/".$filename;
$download_filename = $filename;
} elseif ($download_uri != '') {
$newurl = eregi_replace("^(http://)", "", $download_uri);
$subscribe_path = 'webcal://'.$newurl.'/'."$cpath/".$cal_filename.'.ics';
$download_filename = $download_uri.'/'."$cpath/".$cal_filename.'.ics';
} else {
$subscribe_path = "$cpath/";
$download_filename = "$cpath/";
}
}
}
}
$rss_powered = ($enable_rss == 'yes') ? 'yes' : '';
function getmicrotime() {
list($usec, $sec) = explode(' ',microtime());
return ((float)$usec + (float)$sec);
}
?>
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