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Add support for UNLOCK of resources.

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This commit is contained in:
Andrew McMillan 2006-12-06 19:32:41 +13:00
parent bb6185ff5f
commit a2a2883a42
1 changed files with 50 additions and 4 deletions
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54
inc/caldav-LOCK.php
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@ -137,6 +137,40 @@ function lock_resource( $user_no, $path ) {
return $lock;
}
function unlock_resource( $user_no, $path ) {
global $request, $lockinfo;
dbg_error_log( "LOCK", "Attempting to unlock resource '%s'", $path);
if ( ($lock_token = $request->IsLocked()) ) { // NOTE Assignment in if() is expected here.
dbg_error_log( "LOCK", "Lock exists, checking token validity.");
if ( $request->ValidateLockToken($lock_token) ) {
$sql = "DELETE FROM locks WHERE opaquelocktoken = ?;";
$qry = new PgQuery($sql, $lock_token );
$qry->Exec("LOCK",__LINE__,__FILE__);
$request->DoResponse( 204 );
}
else {
/**
* Invalid lock token. RFC2518 doesn't seem to define the respons in this case.
* - we'll return a 423, but there are lots of 'reasonable' choices.
*/
$response = array(
new XMLElement( 'href', $request->path ),
new XMLElement( 'status', 'HTTP/1.1 423 Resource Locked')
);
$response = new XMLElement( "multistatus", new XMLElement( 'response', $response), array('xmlns'=>'DAV:') );
$xmldoc = $response->Render(0,'<?xml version="1.0" encoding="utf-8" ?>');
$request->DoResponse( 423, $xmldoc, 'text/xml; charset="utf-8"' );
}
}
else {
/**
* A fresh lock
*/
$request->DoResponse( 204 );
}
}
if ( count($unsupported) > 0 ) {
/**
@ -159,13 +193,25 @@ if ( count($unsupported) > 0 ) {
$url = $c->protocol_server_port_script . $request->path ;
$url = preg_replace( '#/$#', '', $url);
if ( $request->IsCollection() ) {
$response = lock_collection( $request->depth, (isset($request->user_no) ? $request->user_no : $session->user_no), $request->path );
if ( $request->method == "LOCK" ) {
if ( $request->IsCollection() ) {
$response = lock_collection( $request->depth, (isset($request->user_no) ? $request->user_no : $session->user_no), $request->path );
}
else {
$response = lock_resource( (isset($request->user_no) ? $request->user_no : $session->user_no), $request->path );
}
}
else {
$response = lock_resource( (isset($request->user_no) ? $request->user_no : $session->user_no), $request->path );
elseif ( $request->method == "UNLOCK" ) {
if ( $request->IsCollection() ) {
$response = unlock_collection( $request->depth, (isset($request->user_no) ? $request->user_no : $session->user_no), $request->path );
}
else {
$response = unlock_resource( (isset($request->user_no) ? $request->user_no : $session->user_no), $request->path );
}
}
$prop = new XMLElement( "prop", $response, array('xmlns'=>'DAV:') );
// dbg_log_array( "LOCK", "XML", $response, true );
$xmldoc = $prop->Render(0,'<?xml version="1.0" encoding="utf-8" ?>');