/// <summary>Sets the slf4j <code>MDC</code> and delegates the request to the chain.</summary>
/// <param name="request">servlet request.</param>
/// <param name="response">servlet response.</param>
/// <param name="chain">filter chain.</param>
/// <exception cref="System.IO.IOException">thrown if an IO error occurrs.</exception>
/// <exception cref="Javax.Servlet.ServletException">thrown if a servet error occurrs.
/// </exception>
public virtual void DoFilter(ServletRequest request, ServletResponse response, FilterChain
chain)
{
try
{
MDC.Clear();
string hostname = HostnameFilter.Get();
if (hostname != null)
{
MDC.Put("hostname", HostnameFilter.Get());
}
Principal principal = ((HttpServletRequest)request).GetUserPrincipal();
string user = (principal != null) ? principal.GetName() : null;
if (user != null)
{
MDC.Put("user", user);
}
MDC.Put("method", ((HttpServletRequest)request).GetMethod());
MDC.Put("path", ((HttpServletRequest)request).GetPathInfo());
chain.DoFilter(request, response);
}
finally
{
MDC.Clear();
}
}
public virtual Response Delete(string path, HttpFSParametersProvider.OperationParam
op, Parameters @params, HttpServletRequest request)
{
UserGroupInformation user = HttpUserGroupInformation.Get();
Response response;
path = MakeAbsolute(path);
MDC.Put(HttpFSFileSystem.OpParam, op.Value().ToString());
MDC.Put("hostname", request.GetRemoteAddr());
switch (op.Value())
{
case HttpFSFileSystem.Operation.Delete:
{
bool recursive = @params.Get <HttpFSParametersProvider.RecursiveParam>(HttpFSParametersProvider.RecursiveParam
.Name);
AuditLog.Info("[{}] recursive [{}]", path, recursive);
FSOperations.FSDelete command = new FSOperations.FSDelete(path, recursive);
JSONObject json = FsExecute(user, command);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
default:
{
throw new IOException(MessageFormat.Format("Invalid HTTP DELETE operation [{0}]",
op.Value()));
}
}
return(response);
}
public virtual Response Put(InputStream @is, UriInfo uriInfo, string path, HttpFSParametersProvider.OperationParam
op, Parameters @params, HttpServletRequest request)
{
UserGroupInformation user = HttpUserGroupInformation.Get();
Response response;
path = MakeAbsolute(path);
MDC.Put(HttpFSFileSystem.OpParam, op.Value().ToString());
MDC.Put("hostname", request.GetRemoteAddr());
switch (op.Value())
{
case HttpFSFileSystem.Operation.Create:
{
bool hasData = @params.Get <HttpFSParametersProvider.DataParam>(HttpFSParametersProvider.DataParam
.Name);
if (!hasData)
{
response = Response.TemporaryRedirect(CreateUploadRedirectionURL(uriInfo, HttpFSFileSystem.Operation
.Create)).Build();
}
else
{
short permission = @params.Get <HttpFSParametersProvider.PermissionParam>(HttpFSParametersProvider.PermissionParam
.Name);
bool @override = @params.Get <HttpFSParametersProvider.OverwriteParam>(HttpFSParametersProvider.OverwriteParam
.Name);
short replication = @params.Get <HttpFSParametersProvider.ReplicationParam>(HttpFSParametersProvider.ReplicationParam
.Name);
long blockSize = @params.Get <HttpFSParametersProvider.BlockSizeParam>(HttpFSParametersProvider.BlockSizeParam
.Name);
FSOperations.FSCreate command = new FSOperations.FSCreate(@is, path, permission,
@override, replication, blockSize);
FsExecute(user, command);
AuditLog.Info("[{}] permission [{}] override [{}] replication [{}] blockSize [{}]"
, new object[] { path, permission, @override, replication, blockSize });
response = Response.Status(Response.Status.Created).Build();
}
break;
}
case HttpFSFileSystem.Operation.Setxattr:
{
string xattrName = @params.Get <HttpFSParametersProvider.XAttrNameParam>(HttpFSParametersProvider.XAttrNameParam
.Name);
string xattrValue = @params.Get <HttpFSParametersProvider.XAttrValueParam>(HttpFSParametersProvider.XAttrValueParam
.Name);
EnumSet <XAttrSetFlag> flag = @params.Get <HttpFSParametersProvider.XAttrSetFlagParam
>(HttpFSParametersProvider.XAttrSetFlagParam.Name);
FSOperations.FSSetXAttr command = new FSOperations.FSSetXAttr(path, xattrName, xattrValue
, flag);
FsExecute(user, command);
AuditLog.Info("[{}] to xAttr [{}]", path, xattrName);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Removexattr:
{
string xattrName = @params.Get <HttpFSParametersProvider.XAttrNameParam>(HttpFSParametersProvider.XAttrNameParam
.Name);
FSOperations.FSRemoveXAttr command = new FSOperations.FSRemoveXAttr(path, xattrName
);
FsExecute(user, command);
AuditLog.Info("[{}] removed xAttr [{}]", path, xattrName);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Mkdirs:
{
short permission = @params.Get <HttpFSParametersProvider.PermissionParam>(HttpFSParametersProvider.PermissionParam
.Name);
FSOperations.FSMkdirs command = new FSOperations.FSMkdirs(path, permission);
JSONObject json = FsExecute(user, command);
AuditLog.Info("[{}] permission [{}]", path, permission);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Rename:
{
string toPath = @params.Get <HttpFSParametersProvider.DestinationParam>(HttpFSParametersProvider.DestinationParam
.Name);
FSOperations.FSRename command = new FSOperations.FSRename(path, toPath);
JSONObject json = FsExecute(user, command);
AuditLog.Info("[{}] to [{}]", path, toPath);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Setowner:
{
string owner = @params.Get <HttpFSParametersProvider.OwnerParam>(HttpFSParametersProvider.OwnerParam
.Name);
string group = @params.Get <HttpFSParametersProvider.GroupParam>(HttpFSParametersProvider.GroupParam
.Name);
FSOperations.FSSetOwner command = new FSOperations.FSSetOwner(path, owner, group);
FsExecute(user, command);
AuditLog.Info("[{}] to (O/G)[{}]", path, owner + ":" + group);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Setpermission:
{
short permission = @params.Get <HttpFSParametersProvider.PermissionParam>(HttpFSParametersProvider.PermissionParam
.Name);
FSOperations.FSSetPermission command = new FSOperations.FSSetPermission(path, permission
);
FsExecute(user, command);
AuditLog.Info("[{}] to [{}]", path, permission);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Setreplication:
{
short replication = @params.Get <HttpFSParametersProvider.ReplicationParam>(HttpFSParametersProvider.ReplicationParam
.Name);
FSOperations.FSSetReplication command = new FSOperations.FSSetReplication(path, replication
);
JSONObject json = FsExecute(user, command);
AuditLog.Info("[{}] to [{}]", path, replication);
response = Response.Ok(json).Build();
break;
}
case HttpFSFileSystem.Operation.Settimes:
{
long modifiedTime = @params.Get <HttpFSParametersProvider.ModifiedTimeParam>(HttpFSParametersProvider.ModifiedTimeParam
.Name);
long accessTime = @params.Get <HttpFSParametersProvider.AccessTimeParam>(HttpFSParametersProvider.AccessTimeParam
.Name);
FSOperations.FSSetTimes command = new FSOperations.FSSetTimes(path, modifiedTime,
accessTime);
FsExecute(user, command);
AuditLog.Info("[{}] to (M/A)[{}]", path, modifiedTime + ":" + accessTime);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Setacl:
{
string aclSpec = @params.Get <HttpFSParametersProvider.AclPermissionParam>(HttpFSParametersProvider.AclPermissionParam
.Name);
FSOperations.FSSetAcl command = new FSOperations.FSSetAcl(path, aclSpec);
FsExecute(user, command);
AuditLog.Info("[{}] to acl [{}]", path, aclSpec);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Removeacl:
{
FSOperations.FSRemoveAcl command = new FSOperations.FSRemoveAcl(path);
FsExecute(user, command);
AuditLog.Info("[{}] removed acl", path);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Modifyaclentries:
{
string aclSpec = @params.Get <HttpFSParametersProvider.AclPermissionParam>(HttpFSParametersProvider.AclPermissionParam
.Name);
FSOperations.FSModifyAclEntries command = new FSOperations.FSModifyAclEntries(path
, aclSpec);
FsExecute(user, command);
AuditLog.Info("[{}] modify acl entry with [{}]", path, aclSpec);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Removeaclentries:
{
string aclSpec = @params.Get <HttpFSParametersProvider.AclPermissionParam>(HttpFSParametersProvider.AclPermissionParam
.Name);
FSOperations.FSRemoveAclEntries command = new FSOperations.FSRemoveAclEntries(path
, aclSpec);
FsExecute(user, command);
AuditLog.Info("[{}] remove acl entry [{}]", path, aclSpec);
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Removedefaultacl:
{
FSOperations.FSRemoveDefaultAcl command = new FSOperations.FSRemoveDefaultAcl(path
);
FsExecute(user, command);
AuditLog.Info("[{}] remove default acl", path);
response = Response.Ok().Build();
break;
}
default:
{
throw new IOException(MessageFormat.Format("Invalid HTTP PUT operation [{0}]", op
.Value()));
}
}
return(response);
}
public virtual Response Post(InputStream @is, UriInfo uriInfo, string path, HttpFSParametersProvider.OperationParam
op, Parameters @params, HttpServletRequest request)
{
UserGroupInformation user = HttpUserGroupInformation.Get();
Response response;
path = MakeAbsolute(path);
MDC.Put(HttpFSFileSystem.OpParam, op.Value().ToString());
MDC.Put("hostname", request.GetRemoteAddr());
switch (op.Value())
{
case HttpFSFileSystem.Operation.Append:
{
bool hasData = @params.Get <HttpFSParametersProvider.DataParam>(HttpFSParametersProvider.DataParam
.Name);
if (!hasData)
{
response = Response.TemporaryRedirect(CreateUploadRedirectionURL(uriInfo, HttpFSFileSystem.Operation
.Append)).Build();
}
else
{
FSOperations.FSAppend command = new FSOperations.FSAppend(@is, path);
FsExecute(user, command);
AuditLog.Info("[{}]", path);
response = Response.Ok().Type(MediaType.ApplicationJson).Build();
}
break;
}
case HttpFSFileSystem.Operation.Concat:
{
System.Console.Out.WriteLine("HTTPFS SERVER CONCAT");
string sources = @params.Get <HttpFSParametersProvider.SourcesParam>(HttpFSParametersProvider.SourcesParam
.Name);
FSOperations.FSConcat command = new FSOperations.FSConcat(path, sources.Split(","
));
FsExecute(user, command);
AuditLog.Info("[{}]", path);
System.Console.Out.WriteLine("SENT RESPONSE");
response = Response.Ok().Build();
break;
}
case HttpFSFileSystem.Operation.Truncate:
{
long newLength = @params.Get <HttpFSParametersProvider.NewLengthParam>(HttpFSParametersProvider.NewLengthParam
.Name);
FSOperations.FSTruncate command = new FSOperations.FSTruncate(path, newLength);
JSONObject json = FsExecute(user, command);
AuditLog.Info("Truncate [{}] to length [{}]", path, newLength);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
default:
{
throw new IOException(MessageFormat.Format("Invalid HTTP POST operation [{0}]", op
.Value()));
}
}
return(response);
}
public virtual Response Get(string path, HttpFSParametersProvider.OperationParam
op, Parameters @params, HttpServletRequest request)
{
UserGroupInformation user = HttpUserGroupInformation.Get();
Response response;
path = MakeAbsolute(path);
MDC.Put(HttpFSFileSystem.OpParam, op.Value().ToString());
MDC.Put("hostname", request.GetRemoteAddr());
switch (op.Value())
{
case HttpFSFileSystem.Operation.Open:
{
//Invoking the command directly using an unmanaged FileSystem that is
// released by the FileSystemReleaseFilter
FSOperations.FSOpen command = new FSOperations.FSOpen(path);
FileSystem fs = CreateFileSystem(user);
InputStream @is = command.Execute(fs);
long offset = @params.Get <HttpFSParametersProvider.OffsetParam>(HttpFSParametersProvider.OffsetParam
.Name);
long len = @params.Get <HttpFSParametersProvider.LenParam>(HttpFSParametersProvider.LenParam
.Name);
AuditLog.Info("[{}] offset [{}] len [{}]", new object[] { path, offset, len });
InputStreamEntity entity = new InputStreamEntity(@is, offset, len);
response = Response.Ok(entity).Type(MediaType.ApplicationOctetStream).Build();
break;
}
case HttpFSFileSystem.Operation.Getfilestatus:
{
FSOperations.FSFileStatus command = new FSOperations.FSFileStatus(path);
IDictionary json = FsExecute(user, command);
AuditLog.Info("[{}]", path);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Liststatus:
{
string filter = @params.Get <HttpFSParametersProvider.FilterParam>(HttpFSParametersProvider.FilterParam
.Name);
FSOperations.FSListStatus command = new FSOperations.FSListStatus(path, filter);
IDictionary json = FsExecute(user, command);
AuditLog.Info("[{}] filter [{}]", path, (filter != null) ? filter : "-");
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Gethomedirectory:
{
EnforceRootPath(op.Value(), path);
FSOperations.FSHomeDir command = new FSOperations.FSHomeDir();
JSONObject json = FsExecute(user, command);
AuditLog.Info(string.Empty);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Instrumentation:
{
EnforceRootPath(op.Value(), path);
Groups groups = HttpFSServerWebApp.Get().Get <Groups>();
IList <string> userGroups = groups.GetGroups(user.GetShortUserName());
if (!userGroups.Contains(HttpFSServerWebApp.Get().GetAdminGroup()))
{
throw new AccessControlException("User not in HttpFSServer admin group");
}
Instrumentation instrumentation = HttpFSServerWebApp.Get().Get <Instrumentation>();
IDictionary snapshot = instrumentation.GetSnapshot();
response = Response.Ok(snapshot).Build();
break;
}
case HttpFSFileSystem.Operation.Getcontentsummary:
{
FSOperations.FSContentSummary command = new FSOperations.FSContentSummary(path);
IDictionary json = FsExecute(user, command);
AuditLog.Info("[{}]", path);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Getfilechecksum:
{
FSOperations.FSFileChecksum command = new FSOperations.FSFileChecksum(path);
IDictionary json = FsExecute(user, command);
AuditLog.Info("[{}]", path);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Getfileblocklocations:
{
response = Response.Status(Response.Status.BadRequest).Build();
break;
}
case HttpFSFileSystem.Operation.Getaclstatus:
{
FSOperations.FSAclStatus command = new FSOperations.FSAclStatus(path);
IDictionary json = FsExecute(user, command);
AuditLog.Info("ACL status for [{}]", path);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Getxattrs:
{
IList <string> xattrNames = @params.GetValues <HttpFSParametersProvider.XAttrNameParam
>(HttpFSParametersProvider.XAttrNameParam.Name);
XAttrCodec encoding = @params.Get <HttpFSParametersProvider.XAttrEncodingParam>(HttpFSParametersProvider.XAttrEncodingParam
.Name);
FSOperations.FSGetXAttrs command = new FSOperations.FSGetXAttrs(path, xattrNames,
encoding);
IDictionary json = FsExecute(user, command);
AuditLog.Info("XAttrs for [{}]", path);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
case HttpFSFileSystem.Operation.Listxattrs:
{
FSOperations.FSListXAttrs command = new FSOperations.FSListXAttrs(path);
IDictionary json = FsExecute(user, command);
AuditLog.Info("XAttr names for [{}]", path);
response = Response.Ok(json).Type(MediaType.ApplicationJson).Build();
break;
}
default:
{
throw new IOException(MessageFormat.Format("Invalid HTTP GET operation [{0}]", op
.Value()));
}
}
return(response);
}