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Refactor to use new FailIfLocked method in CalDAVRequest.

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This commit is contained in:
Andrew McMillan 2006-12-07 00:12:34 +13:00
parent 90ae126bd8
commit afb21fc415
1 changed files with 18 additions and 45 deletions
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63
inc/caldav-LOCK.php
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@ -93,24 +93,9 @@ function lock_resource( $user_no, $path ) {
dbg_error_log( "LOCK", "Attempting to lock resource '%s'", $path);
if ( ($lock_token = $request->IsLocked()) ) { // NOTE Assignment in if() is expected here.
dbg_error_log( "LOCK", "Attempting to renew resource lock on '%s'", $path);
if ( $request->ValidateLockToken($lock_token) ) {
$sql = "UPDATE locks SET start = current_timestamp WHERE opaquelocktoken = ?;";
$qry = new PgQuery($sql, $lock_token );
$qry->Exec("LOCK",__LINE__,__FILE__);
}
else {
/**
* Already locked - deny it
*/
$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"' );
}
$sql = "UPDATE locks SET start = current_timestamp WHERE opaquelocktoken = ?;";
$qry = new PgQuery($sql, $lock_token );
$qry->Exec("LOCK",__LINE__,__FILE__);
}
else {
/**
@ -137,38 +122,22 @@ function lock_resource( $user_no, $path ) {
return $lock;
}
/**
* Unlocks the specified resource.
*
* @param int $user_no The user_no of the request_path, or the session if there wasn't one there.
* @param string $path The path to the resource which is to be unlocked
*/
function unlock_resource( $user_no, $path ) {
global $request, $lockinfo;
global $request;
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 );
$sql = "DELETE FROM locks WHERE opaquelocktoken = ?;";
$qry = new PgQuery($sql, $lock_token );
$qry->Exec("LOCK",__LINE__,__FILE__);
}
$request->DoResponse( 204 );
}
@ -187,6 +156,10 @@ if ( count($unsupported) > 0 ) {
$request->DoResponse( 403, $error->Render(0,'<?xml version="1.0" ?>'), 'text/xml; charset="utf-8"');
}
$lock_opener = $request->FailIfLocked();
/**
* Something that we can handle, at least roughly correctly.
*/