DAViCal
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caldav-MKTICKET.php
1<?php
20dbg_error_log('MKTICKET', 'method handler');
21require_once('DAVResource.php');
22
23$request->NeedPrivilege('DAV::bind');
24
25require_once('XMLDocument.php');
26$reply = new XMLDocument(array( 'DAV:' => '', 'http://www.xythos.com/namespaces/StorageServer' => 'T' ));
27
28$target = new DAVResource( $request->path );
29if ( ! $target->Exists() ) {
30 $request->XMLResponse( 404, new XMLElement( 'error', new XMLElement('resource-must-not-be-null'), $reply->GetXmlNsArray() ) );
31}
32
33if ( ! isset($request->xml_tags) ) {
34 $request->XMLResponse( 400, new XMLElement( 'error', new XMLElement('missing-xml-for-request'), $reply->GetXmlNsArray() ) );
35}
36
37$xmltree = BuildXMLTree( $request->xml_tags );
38if ( $xmltree->GetNSTag() != 'http://www.xythos.com/namespaces/StorageServer:ticketinfo' &&
39 $xmltree->GetNSTag() != 'DAV::ticketinfo' ) {
40 $request->XMLResponse( 400, new XMLElement( 'error', new XMLElement('invalid-xml-for-request'), $reply->GetXmlNsArray() ) );
41}
42
43$ticket_timeout = 'Seconds-3600';
44$ticket_privs_array = array('read-free-busy');
45foreach( $xmltree->GetContent() AS $k => $v ) {
46 // <!ELEMENT ticketinfo (id?, owner?, timeout, visits, privilege)>
47 switch( $v->GetNSTag() ) {
48 case 'DAV::timeout':
49 case 'http://www.xythos.com/namespaces/StorageServer:timeout':
50 $ticket_timeout = $v->GetContent();
51 break;
52
53 case 'DAV::privilege':
54 case 'http://www.xythos.com/namespaces/StorageServer:privilege':
55 $ticket_privs_array = $v->GetElements(); // Ensure we always get an array back
56 $ticket_privileges = 0;
57 foreach( $ticket_privs_array AS $k1 => $v1 ) {
58 $ticket_privileges |= privilege_to_bits( $v1->GetNSTag() );
59 }
60 if ( $ticket_privileges & privilege_to_bits('write') ) $ticket_privileges |= privilege_to_bits( 'read' );
61 if ( $ticket_privileges & privilege_to_bits('read') ) $ticket_privileges |= privilege_to_bits( array('read-free-busy', 'read-current-user-privilege-set') );
62 if ( $ticket_privileges & privilege_to_bits('read-free-busy') ) $ticket_privileges |= privilege_to_bits( 'schedule-query-freebusy');
63 break;
64 }
65}
66
67if ( $ticket_timeout == 'infinity' ) {
68 $sql_timeout = null;
69}
70else if ( preg_match( '{^([a-z]+)-(\d+)$}i', $ticket_timeout, $matches ) ) {
72 $sql_timeout = $matches[2] . ' ' . $matches[1];
73}
74else {
75 $sql_timeout = $ticket_timeout;
76}
77
78$collection_id = $target->GetProperty('collection_id');
79$resource_id = $target->GetProperty('dav_id');
80
81$i = 0;
82do {
83 $ticket_id = substr( str_replace('/', '', str_replace('+', '',base64_encode(sha1(date('r') .rand(0,2100000000) . microtime(true),true)))), 7, 8);
84 $qry = new AwlQuery(
85 'INSERT INTO access_ticket ( ticket_id, dav_owner_id, privileges, target_collection_id, target_resource_id, expires )
86 VALUES( :ticket_id, :owner, :privs::INT::BIT(24), :collection, :resource, (current_timestamp + :expires::interval) )',
87 array(
88 ':ticket_id' => $ticket_id,
89 ':owner' => $session->principal_id,
90 ':privs' => $ticket_privileges,
91 ':collection' => $collection_id,
92 ':resource' => $resource_id,
93 ':expires' => $sql_timeout,
94 )
95 );
96 $result = $qry->Exec('MKTICKET', __LINE__, __FILE__);
97} while( !$result && $i++ < 2 );
98
99$privs = new XMLElement('privilege');
100foreach( bits_to_privilege($ticket_privileges) AS $k => $v ) {
101 $reply->NSElement($privs, $v);
102}
103
104$ticketinfo = new XMLElement( 'T:ticketinfo', array(
105 new XMLElement( 'T:id', $ticket_id),
106 new XMLElement( 'owner', $reply->href( ConstructURL('/'.$session->username.'/') ) ),
107 $privs,
108 new XMLElement( 'T:timeout', $ticket_timeout),
109 new XMLElement( 'T:visits', 'infinity')
110 )
111);
112
113$prop = new XMLElement( "prop", new XMLElement('T:ticketdiscovery', $ticketinfo), $reply->GetXmlNsArray() );
114header('Ticket: '.$ticket_id);
115$request->XMLResponse( 200, $prop );