function checkUpdateStatus()
{
global $LAYOUT, $SETTINGS;
if (array_key_exists('last_update_time', $SETTINGS) && time() - $SETTINGS['last_update_time'] < 3600) {
$LAYOUT->addWarning('Checking for new updates is only allowed once per hour. Last check was ' . getDateTimeISO($SETTINGS['last_update_time']));
return TRUE;
}
$SETTINGS['last_update_time'] = time();
debug(PSNG_URL_UPDATESTATUS, 'Grabbing update status');
$res = file(PSNG_URL_UPDATESTATUS);
debug($res, 'Result of checkUpdateStatus');
if (count($res) == 0) {
$LAYOUT->addError("Couldn't connect to check latest version");
return FALSE;
}
// current updatestatus only supports one line of response, upcoming might support more than one
$stat = explode('---', trim($res[0]));
$currentVersion = isset($stat[0]) ? trim($stat[0]) : '';
// this is all that's needed for version_compare() mk/2005-11-13
$latestRelease = isset($stat[1]) ? trim($stat[1]) : '';
$latestVersion = isset($stat[2]) ? trim($stat[2]) : '';
$comparison = version_compare($currentVersion, PSNG_VERSION);
switch ($comparison) {
case +1:
// version online is lower than version of current script (should not happen!)
$LAYOUT->addSuccess('', 'Your version (' . PSNG_VERSION . ') seems to be newer than the one online (' . $currentVersion . ') - better hold on to it!');
# ;-) mk/2005-11-13
break;
case 0:
// versions are identical
$LAYOUT->addSuccess('', 'You have version ' . PSNG_VERSION . '. There is no newer version available.');
break;
case -1:
// version online is higher than version of current script
$update_url = PSNG_URL_DOWNLOAD;
$LAYOUT->addText('Please visit the download page at <a href="' . $update_url . '">' . $update_url . '</a>');
$LAYOUT->addWarning('Latest version of this release is ' . $currentVersion, 'New version available!');
}
return TRUE;
}
/**
* returns a correct entry for a fileinfo with given information and settings
*/
function handleURL($url, $lastmod = '', $changefreq = '', $priority = '')
{
global $SETTINGS;
$res = array();
$res[PSNG_FILE_URL] = $url;
// default: file is enabled and will be handled
$res[PSNG_FILE_ENABLED] = 'checked';
// handle lastmod
if ($SETTINGS[PSNG_LASTMOD] == PSNG_LASTMOD_FILEDATE) {
$res[PSNG_LASTMOD] = $lastmod;
} elseif ($SETTINGS[PSNG_LASTMOD] == PSNG_LASTMOD_CURRENT) {
$res[PSNG_LASTMOD] = time();
} elseif ($SETTINGS[PSNG_LASTMOD] == PSNG_LASTMOD_DISSABLED) {
$res[PSNG_LASTMOD] = '';
}
// format timestamp appropriate to settings
if ($res[PSNG_LASTMOD] != '') {
if ($SETTINGS[PSNG_LASTMOD_TIMEFORMAT] == PSNG_TIMEFORMAT_SHORT) {
$res[PSNG_LASTMOD] = getDateTimeISO_short($res[PSNG_LASTMOD]);
} elseif ($SETTINGS[PSNG_LASTMOD_TIMEFORMAT] == PSNG_TIMEFORMAT_LONG) {
$res[PSNG_LASTMOD] = getDateTimeISO($res[PSNG_LASTMOD]);
}
}
// handle changefreq
if ($SETTINGS[PSNG_CHANGEFREQ] == PSNG_CHANGEFREQ_FIXED) {
$res[PSNG_CHANGEFREQ] = $SETTINGS[PSNG_CHANGEFREQ_FIXED];
} elseif ($SETTINGS[PSNG_CHANGEFREQ] == PSNG_CHANGEFREQ_DYNAMIC) {
if ($changefreq != '') {
$res[PSNG_CHANGEFREQ] = $changefreq;
} else {
$res[PSNG_CHANGEFREQ] = getFrequency($lastmod);
}
} elseif ($SETTINGS[PSNG_CHANGEFREQ] == PSNG_CHANGEFREQ_DISSABLED) {
$res[PSNG_CHANGEFREQ] = '';
}
// handle priority
if ($SETTINGS[PSNG_PRIORITY] == PSNG_PRIORITY_FIXED) {
$res[PSNG_PRIORITY] = $SETTINGS[PSNG_PRIORITY_FIXED];
} elseif ($SETTINGS[PSNG_PRIORITY] == PSNG_PRIORITY_AUTOMATIC) {
// TODO IMPLEMENTME!!! calculate priority depending on #links, hierachie level, ...
$res[PSNG_PRIORITY] = $SETTINGS[PSNG_PRIORITY_FIXED];
} elseif ($SETTINGS[PSNG_PRIORITY] == PSNG_PRIORITY_DISSABLED) {
$res[PSNG_PRIORITY] = '';
}
return $res;
}
