mirror of
https://gitlab.com/davical-project/davical.git
synced 2026-03-13 08:00:15 +00:00
100 lines
3.3 KiB
PHP
100 lines
3.3 KiB
PHP
<?php
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/**
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* DAViCal Timezone Service handler - capabilitis
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*
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* @package davical
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* @subpackage tzservice
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* @author Andrew McMillan <andrew@morphoss.com>
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* @copyright Morphoss Ltd
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* @license http://gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('vCalendar.php');
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$new_zones = 0;
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$modified_zones = 0;
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if ( empty($c->tzsource) ) $c->tzsource = '../zonedb/vtimezones';
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if ( preg_match('{^http}', $c->tzsource ) ) {
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}
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else if ( file_exists($c->tzsource) ) {
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/**
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* Find all files recursively within the diectory given.
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* @param string $dirname The directory to find files in
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* @return array of filenames with full path
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*/
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function recursive_files( $dirname ) {
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$d = opendir($dirname);
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$result = array();
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while( $fn = readdir($d) ) {
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if ( substr($fn,0,1) == '.' ) continue;
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$fn = $dirname.'/'.$fn;
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if ( is_dir($fn) ) {
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$result = array_merge($result,recursive_files($fn));
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}
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else {
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$result[] = $fn;
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}
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}
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return $result;
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}
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$qry = new AwlQuery();
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foreach( recursive_files($c->tzsource) AS $filename ) {
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$tzid = str_replace('.ics', '', str_replace($c->tzsource.'/', '', $filename));
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$tzrow = null;
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if ( $qry->QDo('SELECT * FROM timezones WHERE tzid=:tzid', array(':tzid' => $tzid)) && $qry->rows() > 0 ) {
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$tzrow = $qry->Fetch();
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}
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$vtimezone = file_get_contents( $filename, false );
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if ( $vtimezone == $tzrow->vtimezone ) {
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dbg_error_log('tz/updatecheck', 'Skipping zone "%s" - no change', $tzid );
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continue;
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}
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$vtz = new vCalendar($vtimezone);
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$last_modified = $vtz->GetProperty('LAST-MODIFIED');
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if ( empty($last_modified) ) {
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$last_modified = gmdate('Ymd\THis\Z');
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// Then it was probably that way when we last updated the data, too :-(
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if ( !empty($tzrow) ) {
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$old_vtz = new vCalendar($tzrow->vtimezone);
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$old_vtz->ClearProperties('LAST-MODIFIED');
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// We need to add & remove this property so the Render is equivalent.
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$vtz->AddProperty('LAST-MODIFIED',$last_modified);
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$vtz->ClearProperties('LAST-MODIFIED');
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if ( $vtz->Render() == $old_vtz->Render() ) {
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dbg_error_log('tz/updatecheck', 'Skipping zone "%s" - no change', $tzid );
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continue;
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}
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}
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$vtz->AddProperty('LAST-MODIFIED',$last_modified);
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}
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dbg_error_log('tz/updatecheck', 'Writing %s zone for "%s"', (empty($tzrow)?"new":"updated"), $tzid );
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$params = array(
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':tzid' => $tzid,
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':olson_name' => $tzid,
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':vtimezone' => $vtz->Render(),
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':last_modified' => $last_modified,
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':etag' => md5($vtz->Render())
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);
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if ( empty($tzrow) ) {
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$new_zones++;
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$sql = 'INSERT INTO timezones(tzid,active,olson_name,last_modified,etag,vtimezone) ';
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$sql .= 'VALUES(:tzid,TRUE,:olson_name,:last_modified,:etag,:vtimezone)';
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}
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else {
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$modified_zones++;
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$sql = 'UPDATE timezones SET active=TRUE, olson_name=:olson_name, last_modified=:last_modified, ';
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$sql .= 'etag=:etag, vtimezone=:vtimezone WHERE tzid=:tzid';
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}
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$qry->QDo($sql,$params);
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}
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header('Content-type: text/plain');
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printf('Added %d new zones and updated data for %d zones', $new_zones, $modified_zones);
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}
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else {
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dbg_error_log('ERROR', '$c->tzsource is not configured to a good source of timezone data');
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}
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exit(0); |