/inc/caldav-PUT-vcard.php
PHP | 171 lines | 134 code | 23 blank | 14 comment | 32 complexity | c8fd20f260e3a74e32c755f5e0f26587 MD5 | raw file
- <?php
- /**
- * CalDAV Server - handle PUT method on VCARD content-types
- *
- * @package davical
- * @subpackage caldav
- * @author Andrew McMillan <andrew@morphoss.com>
- * @copyright Morphoss Ltd
- * @license http://gnu.org/copyleft/gpl.html GNU GPL v2 or later
- */
- dbg_error_log("PUT", "method handler");
- require_once('DAVResource.php');
- if ( ! ini_get('open_basedir') && (isset($c->dbg['ALL']) || (isset($c->dbg['put']) && $c->dbg['put'])) ) {
- $fh = fopen('/var/log/davical/PUT.debug','w');
- if ( $fh ) {
- fwrite($fh,$request->raw_post);
- fclose($fh);
- }
- }
- $lock_opener = $request->FailIfLocked();
- require_once('vcard.php');
- $vcard = new vCard( $request->raw_post );
- $uid = $vcard->GetPValue('UID');
- if ( empty($uid) ) {
- $uid = uuid();
- $vcard->AddProperty('UID',$uid);
- }
- if ( $add_member ) {
- $request->path = $request->dav_name() . $uid . '.vcf';
- $dest = new DAVResource($request->path);
- if ( $dest->Exists() ) {
- $uid = uuid();
- $vcard->AddProperty('UID',$uid);
- $request->path = $request->dav_name() . $uid . '.vcf';
- $dest = new DAVResource($request->path);
- if ( $dest->Exists() ) throw new Exception("Failed to generate unique segment name for add-member!");
- }
- }
- else {
- $dest = new DAVResource($request->path);
- }
- $container = $dest->GetParentContainer();
- if ( ! $dest->Exists() ) {
- if ( $container->IsPrincipal() ) {
- $request->PreconditionFailed(405,'method-not-allowed',translate('A DAViCal principal collection may only contain collections'));
- }
- if ( ! $container->Exists() ) {
- $request->PreconditionFailed( 409, 'collection-must-exist',translate('The destination collection does not exist') );
- }
- $container->NeedPrivilege('DAV::bind');
- }
- else {
- if ( $dest->IsCollection() ) {
- if ( ! isset($c->readonly_webdav_collections) || $c->readonly_webdav_collections ) {
- $request->PreconditionFailed(405,'method-not-allowed',translate('You may not PUT to a collection URL'));
- }
- $request->DoResponse(403,translate('PUT on a collection is only allowed for text/vcard content against an addressbook collection'));
- }
- $dest->NeedPrivilege('DAV::write-content');
- }
- $request->CheckEtagMatch( $dest->Exists(), $dest->unique_tag() );
- $user_no = $dest->GetProperty('user_no');
- $collection_id = $container->GetProperty('collection_id');
- $original_etag = md5($request->raw_post);
- $qry = new AwlQuery();
- $qry->Begin();
- $uid = $vcard->GetPValue('UID');
- if ( empty($uid) ) {
- $uid = uuid();
- $vcard->AddProperty('UID',$uid);
- }
- $last_modified = $vcard->GetPValue('REV');
- if ( empty($last_modified) ) {
- $last_modified = gmdate( 'Ymd\THis\Z' );
- $vcard->AddProperty('REV',$last_modified);
- }
- elseif ( stripos($last_modified, 'TZ') ) {
- // At least one of my examples has this crap.
- $last_modified = str_replace('TZ','T000000Z',$last_modified);
- $vcard->ClearProperties('REV');
- $vcard->AddProperty('REV',$last_modified);
- }
- elseif( preg_match('{^(\d{8})(\d{6})Z?}', $last_modified, $matches) ) {
- // 'T' missing
- $last_modified = $matches[1] . 'T' . $matches[2] . 'Z';
- $vcard->ClearProperties('REV');
- $vcard->AddProperty('REV',$last_modified);
- }
- elseif( preg_match('{([0-9]{4})-([0-9]{2})-([0-9]{2}T)([0-9]{2}):([0-9]{2}):([0-9]{2})Z?}', $last_modified, $matches) ){
- // iOS sends these, see http://tools.ietf.org/html/rfc2426#section-3.6.4
- $last_modified = $matches[1] . $matches[2] .$matches[3] .$matches[4] .$matches[5]. $matches[6] . 'Z';
- $vcard->ClearProperties('REV');
- $vcard->AddProperty('REV', $last_modified);
- }
- elseif( !preg_match('{^\d{8}T\d{6}Z$}', $last_modified) ) {
- // reset to timestamp format, see https://tools.ietf.org/html/rfc6350#section-6.7.4
- $last_modified = gmdate( 'Ymd\THis\Z' );
- $vcard->ClearProperties('REV');
- $vcard->AddProperty('REV',$last_modified);
- }
- $rendered_card = $vcard->Render();
- $etag = md5($rendered_card);
- $params = array(
- ':user_no' => $user_no,
- ':dav_name' => $dest->bound_from(),
- ':etag' => $etag,
- ':dav_data' => $rendered_card,
- ':session_user' => $session->user_no,
- ':modified' => $last_modified
- );
- if ( $dest->Exists() ) {
- $sql = 'UPDATE caldav_data SET caldav_data=:dav_data, dav_etag=:etag, logged_user=:session_user,
- modified=:modified, user_no=:user_no, caldav_type=\'VCARD\' WHERE dav_name=:dav_name';
- $response_code = 200;
- $put_action_type = 'UPDATE';
- $qry->QDo( $sql, $params );
- $qry->QDo("SELECT dav_id FROM caldav_data WHERE dav_name = :dav_name ", array(':dav_name' => $params[':dav_name']) );
- }
- else {
- $sql = 'INSERT INTO caldav_data ( user_no, dav_name, dav_etag, caldav_data, caldav_type, logged_user, created, modified, collection_id )
- VALUES( :user_no, :dav_name, :etag, :dav_data, \'VCARD\', :session_user, current_timestamp, :modified, :collection_id )';
- $params[':collection_id'] = $collection_id;
- $response_code = 201;
- $qry->QDo( $sql, $params );
- $put_action_type = 'INSERT';
-
- $qry->QDo("SELECT currval('dav_id_seq') AS dav_id" );
- }
- $row = $qry->Fetch();
- $vcard->Write( $row->dav_id, $dest->Exists() );
- $qry->QDo("SELECT write_sync_change( $collection_id, $response_code, :dav_name)", array(':dav_name' => $dest->bound_from() ) );
- if ( function_exists('log_caldav_action') ) {
- log_caldav_action( $put_action_type, $uid, $user_no, $collection_id, $request->path );
- }
- else if ( isset($log_action) && $log_action ) {
- dbg_error_log( 'PUT', 'No log_caldav_action( %s, %s, %s, %s, %s) can be called.',
- $put_action_type, $uid, $user_no, $collection_id, $request->path );
- }
- if ( !$qry->Commit() ) {
- $qry->Rollback();
- $request->DoResponse( 500, "A database error occurred" );
- }
- // Uncache anything to do with the collection
- $cache = getCacheInstance();
- $cache->delete( 'collection-'.$container->dav_name(), null );
- if ( $add_member ) header('Location: '.$c->protocol_server_port_script.$request->path);
- if ( $etag == $original_etag ) header('ETag: "'. $etag . '"' ); // Only send the ETag if we didn't change what they gave us.
- if ( $response_code == 200 ) $response_code = 204;
- $request->DoResponse( $response_code );