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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.
$ALL_CALENDARS_COMBINED = 'all_calendars_combined971';
// Pull in the configuration and some functions.
if (!defined('BASE')) define('BASE', './');
include_once(BASE.'config.inc.php');
include_once(BASE.'error.php');
if($_REQUEST['cpath']){
$cpath = $_REQUEST['cpath'];
$calendar_path .= "/$cpath";
$tmp_dir .= "/$cpath";
}
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';
unset($lang);
if (include($lang_file)) {
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 + $second_offset seconds"));
}
}
if (ini_get('max_execution_time') < 60) {
@ini_set('max_execution_time', '60');
}
if ($calendar_path == '') {
$calendar_path = BASE.'calendars';
}
// Pull the calendars off the GET line if provided. The $cal_filename
// is always an array, because this makes it easier to deal with below.
$cal_filenames = array();
if (isset($_GET['cal'])) {
// If the cal value is not an array, split it into an array on
// commas.
if (!is_array($_GET['cal']))
$_GET['cal'] = explode(',', $_GET['cal']);
// Grab the calendar filenames off the cal value array.
$cal_filenames = array_map("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_filenames[0] = $default_cal;
} else {
$cal_filenames[0] = $default_cal_check;
}
} else {
$cal_filenames[0] = $ALL_CALENDARS_COMBINED;
}
} else {
$cal_filenames[0] = $default_cal;
}
}
// Separate the calendar identifiers into web calendars and local
// calendars.
$web_cals = array();
$local_cals = array();
foreach ($cal_filenames as $cal_filename) {
// If the calendar identifier begins with a web protocol, this is a web
// calendar.
if (substr($cal_filename, 0, 7) == 'http://' ||
substr($cal_filename, 0, 8) == 'https://' ||
substr($cal_filename, 0, 9) == 'webcal://')
{
$web_cals[] = $cal_filename;
}
// Otherwise it is a local calendar.
else {
// Check blacklisted.
if (in_array($cal_filename, $blacklisted_cals)) {
exit(error($lang['l_error_restrictedcal'], $cal_filename));
}
$local_cals[] = $cal_filename;
}
}
// We will build the calendar display name as we go. The final display
// name will get constructed at the end.
$cal_displaynames = array();
// This is our list of final calendars.
$cal_filelist = array();
// This is our list of URL encoded calendars.
$cals = array();
// Process the web calendars.
foreach ($web_cals as $web_cal) {
// Make some protocol alternatives, and set our real identifier to the
// HTTP protocol.
$cal_webcalPrefix = str_replace('http://','webcal://',$web_cal);
$cal_httpPrefix = str_replace('webcal://','http://',$web_cal);
$cal_httpsPrefix = str_replace('webcal://','https://',$web_cal);
$cal_httpsPrefix = str_replace('http://','https://',$web_cal);
$web_cal = $cal_httpPrefix;
// We can only include this web calendar if we allow all web calendars
// (as defined by $allow_webcals) or if the web calendar shows up in the
// list of web calendars defined in config.inc.php.
if ($allow_webcals != 'yes' &&
!in_array($cal_webcalPrefix, $list_webcals) &&
!in_array($cal_httpPrefix, $list_webcals) &&
!in_array($cal_httpsPrefix, $list_webcals))
{
exit(error($lang['l_error_remotecal'], $web_cal));
}
// Pull the display name off the URL.
$cal_displaynames[] = substr(str_replace('32', ' ', basename($web_cal)), 0, -4);
// FIXME
$cals[] = urlencode($web_cal);
//$filename = $cal_filename;
$subscribe_path = $cal_webcalPrefix;
// Add the webcal to the available calendars.
$cal_filelist[] = $web_cal;
}
// Process the local calendars.
if (count($local_cals) > 0) {
$local_cals = availableCalendars($username, $password, $local_cals);
foreach ($local_cals as $local_cal) {
$cal_displaynames[] = str_replace('32', ' ', getCalendarName($local_cal));
}
$cal_filelist = array_merge($cal_filelist, $local_cals);
$cals = array_merge($cals, array_map("urlencode", array_map("getCalendarName", $local_cals)));
// Set the download and subscribe paths from the config, if there is
// only one calendar being displayed and those paths are defined.
if (count($local_cals) == 1) {
$filename = $local_cals[0];
if (($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.'/'."$cpath/".$filename.'.ics';
$download_filename = $download_uri.'/'."$cpath/".$filename.'.ics';
} else {
$subscribe_path = "$cpath/";
$download_filename = "$cpath/";
}
}
}
// We should only allow a download filename and subscribe path if there is
// only one calendar being displayed.
if (count($cal_filelist) > 1) {
$subscribe_path = '';
$download_filename = '';
}
// Build the final cal list. This is a comma separated list of the
// url-encoded calendar names and web calendar URLs.
$cal = implode(',', $cals);
// Build the final display name used for template substitution.
asort($cal_displaynames);
$cal_displayname = implode(', ', $cal_displaynames);
$rss_powered = ($enable_rss == 'yes') ? 'yes' : '';
function getmicrotime() {
list($usec, $sec) = explode(' ',microtime());
return ((float)$usec + (float)$sec);
}
?>
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