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Under development.
This commit is contained in:
Andrew McMillan
parent
6fee9fcb02
commit
1f5961e1b1
@ -6,9 +6,12 @@
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* @subpackage Resource
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* @author Andrew McMillan <andrew@mcmillan.net.nz>
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* @copyright Morphoss Ltd
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* @license http://gnu.org/copyleft/gpl.html GNU GPL v2 or later
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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('AwlQuery.php');
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/**
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* A class for things to do with a DAV Resource
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*
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@ -56,6 +59,16 @@ class DAVResource
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*/
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private $_is_principal;
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/**
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* @var True if this resource is a calendar collection
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*/
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private $_is_calendar;
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/**
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* @var True if this resource is an addressbook collection
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*/
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private $_is_addressbook;
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/**
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* Constructor
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* @param mixed $parameters If null, an empty Resourced is created.
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@ -65,10 +78,15 @@ class DAVResource
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function __construct( $parameters = null ) {
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$this->_is_principal = false;
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$this->_is_collection = false;
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$this->_is_calendar = false;
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$this->_is_addressbook = false;
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if ( isset($parameters) && is_object($parameters) ) {
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$this->FromRow($parameters);
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}
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else if ( isset($parameters) && is_array($parameters) ) {
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if ( isset($parameters['path']) ) {
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$this->FromPath($parameters['path']);
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}
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}
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}
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@ -94,6 +112,117 @@ class DAVResource
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}
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/**
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* Initialise from a path
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* @param object $inpath The path to populate the resource data from
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*/
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function FromPath($inpath) {
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global $c;
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$this->path = rawurldecode($inpath);
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/** Allow a path like .../username/calendar.ics to translate into the calendar URL */
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if ( preg_match( '#^(/[^/]+/[^/]+).ics$#', $this->path, $matches ) ) {
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$this->path = $matches[1]. '/';
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}
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/** strip doubled slashes */
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if ( strstr($this->path,'//') ) $this->path = preg_replace( '#//+#', '/', $this->path);
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$this->FindCollection();
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}
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/**
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* Find the collection associated with this resource.
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*/
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function FindCollection() {
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/**
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* RFC4918, 8.3: Identifiers for collections SHOULD end in '/'
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* - also discussed at more length in 5.2
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*
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* So we look for a collection which matches one of the following URLs:
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* - The exact request.
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* - If the exact request, doesn't end in '/', then the request URL with a '/' appended
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* - The request URL truncated to the last '/'
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* The collection URL for this request is therefore the longest row in the result, so we
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* can "... ORDER BY LENGTH(dav_name) DESC LIMIT 1"
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*/
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$this->collection = (object) array(
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'collection_id' => -1,
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'type' => 'unknown',
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'is_calendar' => false, 'is_principal' => false, 'is_addressbook' => false, 'resourcetypes' => '<DAV::collection/>',
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);
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$sql = "SELECT * FROM collection WHERE dav_name = :raw_path ";
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$params = array( ':raw_path' => $this->path);
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if ( !preg_match( '#/$#', $this->path ) ) {
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$sql .= ' OR dav_name = :up_to_slash OR dav_name = :plus_slash'
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$params[':up_to_slash'] = preg_replace( '#[^/]*$#', '', $this->path);
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$params[':plus_slash'] = $this->path."/";
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}
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$sql .= "ORDER BY LENGTH(dav_name) DESC LIMIT 1";
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$qry = new AwlQuery( $sql, $params );
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if ( $qry->Exec('caldav') && $qry->rows == 1 && ($row = $qry->Fetch()) ) {
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$this->collection = $row;
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$this->collection = $row;
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if ( $row->is_calendar == 't' ) $this->collection->type = 'calendar';
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else if ( $row->is_addressbook == 't' ) $this->collection->type = 'addressbook';
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else $this->collection->type = 'collection';
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}
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else if ( preg_match( '#^((/[^/]+/)\.(in|out)/)[^/]*$#', $this->path, $matches ) ) {
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// The request is for a scheduling inbox or outbox (or something inside one) and we should auto-create it
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$params = array( ':user_no' => $session->user_no, ':parent_container' => $matches[2], ':dav_name' => $matches[1] );
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$params['displayname'] = $session->fullname . ($matches[3] == 'in' ? ' Inbox' : ' Outbox');
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$this->collection_type = 'schedule-'. $matches[3]. 'box';
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$params['resourcetypes'] = sprintf('<DAV::collection/><urn:ietf:params:xml:ns:caldav:%s/>', $this->collection_type );
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$sql = <<<EOSQL
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INSERT INTO collection ( user_no, parent_container, dav_name, dav_displayname, is_calendar, created, modified, dav_etag, resourcetypes )
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VALUES( :user_no, :parent_container, :dav_name, :dav_displayname, FALSE, current_timestamp, current_timestamp, '1', :resourcetypes )
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EOSQL;
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$qry = new AwlQuery( $sql, $params );
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$qry->Exec('caldav');
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dbg_error_log( "caldav", "Created new collection as '$displayname'." );
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$qry = new AwlQuery( "SELECT * FROM collection WHERE user_no = :user_no AND dav_name = :dav_name", $params );
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if ( $qry->Exec('caldav') && $qry->rows == 1 && ($row = $qry->Fetch()) ) {
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$this->collection = $row;
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$this->collection->type = $this->collection_type;
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}
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}
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else if ( preg_match( '#^((/[^/]+/)calendar-proxy-(read|write))/?[^/]*$#', $this->path, $matches ) ) {
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$this->collection_type = 'proxy';
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$this->_is_proxy_request = true;
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$this->proxy_type = $matches[3];
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$this->collection_path = $matches[1].'/';
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}
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else if ( $this->options['allow_by_email'] && preg_match( '#^/(\S+@\S+[.]\S+)/?$#', $this->path) ) {
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/** @TODO: we should deprecate this now that Evolution 2.27 can do scheduling extensions */
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$this->collection_id = -1;
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$this->collection_type = 'email';
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$this->collection_path = $this->path;
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$this->_is_principal = true;
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}
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else if ( preg_match( '#^(/[^/]+)/?$#', $this->path, $matches) || preg_match( '#^(/principals/[^/]+/[^/]+)/?$#', $this->path, $matches) ) {
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$this->collection_id = -1;
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$this->collection_path = $matches[1].'/'; // Enforce trailling '/'
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$this->collection_type = 'principal';
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$this->_is_principal = true;
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if ( preg_match( '#^(/principals/[^/]+/[^/]+)/?$#', $this->path, $matches) ) {
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// Force a depth of 0 on these, which are at the wrong URL.
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$this->depth = 0;
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}
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}
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else if ( $this->path == '/' ) {
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$this->collection_id = -1;
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$this->collection_path = '/';
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$this->collection_type = 'root';
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}
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}
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/**
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* Return general server-related properties for this URL
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*/
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@ -107,11 +236,11 @@ class DAVResource
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switch( $tag ) {
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case 'DAV::href':
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$prop->NewElement('href', ConstructURL($this->dav_name) );
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break;
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break;
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case 'DAV::getcontenttype':
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$prop->NewElement('getcontenttype', $this->contenttype );
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break;
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break;
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case 'DAV::resourcetype':
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$prop->NewElement('resourcetype', $this->resourcetype );
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@ -139,7 +268,7 @@ class DAVResource
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// // After a careful reading of RFC3744 we see that this must be the principal-URL of the owner
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// $reply->DAVElement( $prop, 'owner', $reply->href( $this->principal_url) ) );
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// break;
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// Empty tag responses.
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case 'DAV::alternate-URI-set':
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case 'DAV::getcontentlength':
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@ -226,7 +355,7 @@ class DAVResource
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}
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return $elements;
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}
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/**
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* Render XML for this resource
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