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Initial (untested) support for PUT of an entire collection.

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This commit is contained in:
Andrew McMillan 2007-01-05 14:41:04 +13:00
parent 3bc5cf584b
commit 5a347b629b
2 changed files with 128 additions and 0 deletions
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115
inc/caldav-PUT-collection.php Normal file
View File

@ -0,0 +1,115 @@
<?php
// According to RFC2445 we should always end with CRLF, but the CalDAV spec says
// that normalising XML parses often muck with it and may remove the CR.
$icalendar = preg_replace('/\r?\n /', '', $request->raw_post );
$lines = preg_split('/\r?\n/', $icalendar );
$events = array();
$timezones = array();
$current = "";
$state = 0;
$tzid = 'unknown';
foreach( $lines AS $lno => $line ) {
if ( $state == 0 ) {
if ( preg_match( '/^BEGIN:(VEVENT|VTIMEZONE)$/', $line, $matches ) {
$current .= $line."\n";
$state = $matches[1];
}
}
else {
$current .= $line."\n";
if ( $line == "END:$state" ) {
switch ( $state ) {
case 'VEVENT':
$events[] = array( 'data' => $current, 'tzid' => $tzid );
break;
case 'VTIMEZONE':
$timezones[$tzid] = $current;
break;
}
$state = 0;
$current = "";
$tzid = 'unknown';
}
else if ( preg_match( 'TZID=([^:]+)(:|$)', $line, $matches ) ) {
$tzid = $matches[1];
}
}
}
function rollback_on_error() {
$qry = new PgQuery("ROLLBACK;"); $qry->Exec("PUT");
}
$qry = new PgQuery("BEGIN;");
if ( !$qry->Exec("PUT") ) rollback_on_error();
foreach( $events AS $k => $event ) {
$icalendar = iCalendar::iCalHeader() . $event['data'] . $timezones[$event['tzid']] . iCalendar::iCalFooter();
$ical = new iCalendar( array( 'icalendar' => $icalendar ) );
$qry = new PgQuery( "SELECT count(1) FROM caldav_data WHERE user_no=? AND dav_name=?", $request->user_no, $request->path );
if ( !$qry->Exec("PUT") ) rollback_on_error();
$count = $qry->Fetch();
$etag = md5($icalendar);
if ( $count->count > 0 ) {
$qry = new PgQuery( "INSERT INTO caldav_data ( user_no, dav_name, dav_etag, caldav_data, caldav_type, logged_user, created, modified ) VALUES( ?, ?, ?, ?, ?, ?, current_timestamp, current_timestamp )",
$request->user_no, $request->path, $etag, $icalendar, $ic->type, $session->user_no );
}
else {
$qry = new PgQuery( "UPDATE caldav_data SET caldav_data=?, dav_etag=?, caldav_type=?, logged_user=?, modified=current_timestamp WHERE user_no=? AND dav_name=?",
$icalendar, $etag, $ic->type, $session->user_no, $request->user_no, $request->path );
}
if ( !$qry->Exec("PUT") ) rollback_on_error();
$sql = ( $ic->tz_locn == '' ? '' : "SET TIMEZONE TO ".qpg($ic->tz_locn).";" );
$dtstart = $ic->Get('dtstart');
if ( (!isset($dtstart) || $dtstart == "") && $ic->Get('due') != "" ) {
$dtstart = $ic->Get('due');
}
$dtend = $ic->Get('dtend');
if ( (!isset($dtend) || "$dtend" == "") && $ic->Get('duration') != "" AND $dtstart != "" ) {
$duration = preg_replace( '#[PT]#', ' ', $ic->Get('duration') );
$dtend = '('.qpg($dtstart).'::timestamp with time zone + '.qpg($duration).'::interval)';
}
else {
dbg_error_log( "PUT", " DTEND: '%s', DTSTART: '%s', DURATION: '%s'", $dtend, $dtstart, $ic->Get('duration') );
$dtend = qpg($dtend);
}
$last_modified = $ic->Get("last-modified");
if ( !isset($last_modified) || $last_modified == '' ) {
$last_modified = gmdate( 'Ymd\THis\Z' );
}
$dtstamp = $ic->Get("dtstamp");
if ( !isset($dtstamp) || $dtstamp == '' ) {
$dtstamp = $last_modified;
}
if ( $put_action_type != 'INSERT' ) {
$sql .= "DELETE FROM calendar_item WHERE user_no=$request->user_no AND dav_name=".qpg($request->path).";";
}
$sql .= <<<EOSQL
INSERT INTO calendar_item (user_no, dav_name, dav_etag, uid, dtstamp, dtstart, dtend, summary, location, class, transp,
description, rrule, tz_id, last_modified, url, priority, created, due, percent_complete )
VALUES ( ?, ?, ?, ?, ?, ?, $dtend, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);
EOSQL;
$qry = new PgQuery( $sql, $request->user_no, $request->path, $etag, $ic->Get('uid'), $dtstamp,
$ic->Get('dtstart'), $ic->Get('summary'), $ic->Get('location'),
$ic->Get('class'), $ic->Get('transp'), $ic->Get('description'), $ic->Get('rrule'), $ic->Get('tz_id'),
$last_modified, $ic->Get('url'), $ic->Get('priority'), $ic->Get('created'),
$ic->Get('due'), $ic->Get('percent-complete')
);
if ( !$qry->Exec("PUT") ) rollback_on_error();
}
$qry = new PgQuery("COMMIT;");
if ( !$qry->Exec("PUT") ) rollback_on_error();
?>

13
inc/caldav-PUT.php
View File

@ -34,6 +34,9 @@ $lock_opener = $request->FailIfLocked();
* Before we write the event, we check the container exists, creating it if it doesn't
*/
if ( $request_container == "/$request->username/" ) {
/**
* Well, it exists, and we support it, but it is against the CalDAV spec
*/
dbg_error_log( "WARN", " Storing events directly in user's base folders is not recommended!");
}
else {
@ -56,6 +59,16 @@ else {
$etag = md5($request->raw_post);
include_once("iCalendar.php");
if ( $request_name == "" ) {
/**
* CalDAV does not define the result of a PUT on a collection. We treat that
* as an import, but hide the code somewhere completely separate
*/
include_once("caldav-PUT-collection.php");
return;
}
$ic = new iCalendar(array( 'icalendar' => $request->raw_post ));
dbg_log_array( "PUT", 'EVENT', $ic->properties['VCALENDAR'][0], true );