DAViCal
caldav-MKCOL.php
1 <?php
11 dbg_error_log('MKCOL', 'method handler');
12 require_once('AwlQuery.php');
13 
14 $request->NeedPrivilege('DAV::bind');
15 $displayname = $request->path;
16 
17 // Enforce trailling '/' on collection name
18 if ( ! preg_match( '#/$#', $request->path ) ) {
19  dbg_error_log( 'MKCOL', 'Add trailling "/" to "%s"', $request->path);
20  $request->path .= '/';
21 }
22 
23 $parent_container = '/';
24 if ( preg_match( '#^(.*/)([^/]+)(/)?$#', $request->path, $matches ) ) {
25  $parent_container = $matches[1];
26  $displayname = $matches[2];
27 }
28 
29 require_once('DAVResource.php');
30 $parent = new DAVResource( $parent_container );
31 if ( $parent->IsSchedulingCollection( 'inbox' ) ) {
32  $request->PreconditionFailed(403, 'urn:ietf:params:xml:ns:caldav:no-mkcol-in-inbox' );
33 }
34 
35 
36 $request_type = $request->method;
37 $is_calendar = ($request_type == 'MKCALENDAR');
38 $is_addressbook = false;
39 
40 $resourcetypes = '<DAV::collection/>';
41 if ($is_calendar) $resourcetypes .= '<urn:ietf:params:xml:ns:caldav:calendar/>';
42 
43 require_once('XMLDocument.php');
44 $reply = new XMLDocument(array( 'DAV:' => '', 'urn:ietf:params:xml:ns:caldav' => 'C' ));
45 
46 $failure_code = null;
47 
48 $failure = array();
49 $dav_properties = array();
50 
51 if ( isset($request->xml_tags) ) {
55  $xmltree = BuildXMLTree( $request->xml_tags );
56  if ( $xmltree->GetNSTag() == 'DAV::mkcol' ) $request_type = 'extended-mkcol';
57 
58  if ( $xmltree->GetNSTag() != 'urn:ietf:params:xml:ns:caldav:mkcalendar' && $request_type != 'extended-mkcol' ) {
59  $request->DoResponse( 406, sprintf('The XML is not a "DAV::mkcol" or "urn:ietf:params:xml:ns:caldav:mkcalendar" document (%s)', $xmltree->GetNSTag()) );
60  }
61  $setprops = $xmltree->GetContent(); // <set>
62  $setprops = $setprops[0]->GetContent(); // <prop>
63  $setprops = $setprops[0]->GetContent(); // the array of properties.
64 
65  foreach( $setprops AS $k => $setting ) {
66  $tag = $setting->GetNSTag();
67  $content = $setting->RenderContent(0,null,true);
68 
69  dbg_error_log( 'MKCOL', 'Processing tag "%s"', $tag);
70 
71  switch( $tag ) {
72 
73  case 'DAV::resourcetype':
75  dbg_error_log( 'MKCOL', 'Extended MKCOL with resourcetype specified. "%s"', $content);
76  $is_addressbook = count($setting->GetPath('DAV::resourcetype/urn:ietf:params:xml:ns:carddav:addressbook'));
77  $is_calendar = count($setting->GetPath('DAV::resourcetype/urn:ietf:params:xml:ns:caldav:calendar'));
78  if ( $is_addressbook && $is_calendar ) {
79  $failure['set-'.$tag] = new XMLElement( 'propstat', array(
80  new XMLElement( 'prop', new XMLElement($reply->Tag($tag))),
81  new XMLElement( 'status', 'HTTP/1.1 409 Conflict' ),
82  new XMLElement('responsedescription', translate('Collections may not be both CalDAV calendars and CardDAV addressbooks at the same time') )
83  ));
84  }
85  else {
86  $resourcetypes = $setting->GetPath('DAV::resourcetype/*');
87  $types = '';
88  foreach( $resourcetypes AS $k => $v ) {
89  $types .= '<'.$v->GetNSTag().'/>';
90  }
91  $resourcetypes = $types;
92  $success[$tag] = 1;
93  }
94  break;
95 
96  case 'DAV::displayname':
97  $displayname = $content;
102  if ( preg_match( '/^SOHO.Organizer.6\./', $_SERVER['HTTP_USER_AGENT'] ) ) {
103  dbg_error_log( 'MKCOL', 'Displayname is "/" to "%s"', $request->path);
104  $parent_container = $request->path;
105  $request->path .= $content . '/';
106  }
107  $success[$tag] = 1;
108  break;
109 
110  case 'urn:ietf:params:xml:ns:caldav:supported-calendar-component-set':
112  $dav_properties[$tag] = $content;
113  $success[$tag] = 1;
114  break;
115 
116  case 'urn:ietf:params:xml:ns:caldav:supported-calendar-data':
117  case 'urn:ietf:params:xml:ns:caldav:calendar-data':
118  case 'urn:ietf:params:xml:ns:caldav:max-resource-size':
119  case 'urn:ietf:params:xml:ns:caldav:min-date-time':
120  case 'urn:ietf:params:xml:ns:caldav:max-date-time':
121  case 'urn:ietf:params:xml:ns:caldav:max-instances':
122  $success[$tag] = 1;
123  break;
124 
128  case 'DAV::getetag':
129  case 'DAV::getcontentlength':
130  case 'DAV::getcontenttype':
131  case 'DAV::getlastmodified':
132  case 'DAV::creationdate':
133  case 'DAV::lockdiscovery':
134  case 'DAV::supportedlock':
135  $failure['set-'.$tag] = new XMLElement( 'propstat', array(
136  new XMLElement( 'prop', new XMLElement($reply->Tag($tag))),
137  new XMLElement( 'status', 'HTTP/1.1 409 Conflict' ),
138  new XMLElement('responsedescription', translate('Property is read-only') )
139  ));
140  if ( isset($failure_code) && $failure_code != 409 ) $failure_code = 207;
141  else if ( !isset($failure_code) ) $failure_code = 409;
142  break;
143 
147  default:
148  $dav_properties[$tag] = $content;
149  $success[$tag] = 1;
150  break;
151  }
152  }
153 
157  if ( count($failure) > 0 ) {
158  $props = array();
159  $status = array();
160  foreach( $success AS $tag => $v ) {
161  // Unfortunately although these succeeded, we failed overall, so they didn't happen...
162  $props[] = new XMLElement($reply->Tag($tag));
163  }
164 
165  $status[] = new XMLElement( 'propstat', array(
166  new XMLElement('prop', $props),
167  new XMLElement('status', 'HTTP/1.1 424 Failed Dependency' )
168  ));
169 
170  if ( $request_type == 'extended-mkcol' ) {
171  $request->DoResponse( $failure_code, $reply->Render('mkcol-response', array_merge( $status, $failure ), 'text/xml; charset="utf-8"' ) );
172  }
173  else {
174  array_unshift( $failure, $reply->href( ConstructURL($request->path) ) );
175  $failure[] = new XMLElement('responsedescription', translate('Some properties were not able to be set.') );
176 
177  $request->DoResponse( 207, $reply->Render('multistatus', new XMLElement( 'response', $failure )), 'text/xml; charset="utf-8"' );
178  }
179 
180  }
181 }
182 
183 $sql = 'SELECT * FROM collection WHERE dav_name = :dav_name';
184 $qry = new AwlQuery( $sql, array( ':dav_name' => $request->path) );
185 if ( ! $qry->Exec('MKCOL',__LINE__,__FILE__) ) {
186  $request->DoResponse( 500, translate('Error querying database.') );
187 }
188 if ( $qry->rows() != 0 ) {
189  $request->DoResponse( 405, translate('A collection already exists at that location.') );
190 }
191 
192 $qry = new AwlQuery();
193 $qry->Begin();
194 
195 if ( ! $qry->QDo( 'INSERT INTO collection ( user_no, parent_container, dav_name, dav_etag, dav_displayname,
196  is_calendar, is_addressbook, resourcetypes, created, modified )
197  VALUES( :user_no, :parent_container, :dav_name, :dav_etag, :dav_displayname,
198  :is_calendar, :is_addressbook, :resourcetypes, current_timestamp, current_timestamp )',
199  array(
200  ':user_no' => $request->user_no,
201  ':parent_container' => $parent_container,
202  ':dav_name' => $request->path,
203  ':dav_etag' => md5($request->user_no. $request->path),
204  ':dav_displayname' => $displayname,
205  ':is_calendar' => ($is_calendar ? 't' : 'f'),
206  ':is_addressbook' => ($is_addressbook ? 't' : 'f'),
207  ':resourcetypes' => $resourcetypes
208  ) ) ) {
209  $request->DoResponse( 500, translate('Error writing calendar details to database.') );
210 }
211 foreach( $dav_properties AS $k => $v ) {
212  if ( ! $qry->QDo('SELECT set_dav_property( :dav_name, :user_no::integer, :tag::text, :value::text )',
213  array( ':dav_name' => $request->path, ':user_no' => $request->user_no, ':tag' => $k, ':value' => $v) ) ) {
214  $request->DoResponse( 500, translate('Error writing calendar properties to database.') );
215  }
216 }
217 if ( !$qry->Commit() ) {
218  $request->DoResponse( 500, translate('Error writing calendar details to database.') );
219 }
220 dbg_error_log( 'MKCOL', 'New calendar "%s" created named "%s" for user "%d" in parent "%s"', $request->path, $displayname, $session->user_no, $parent_container);
221 header('Cache-Control: no-cache');
222 $request->DoResponse( 201, '' );
223