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/*
Copyright (c) 2019 VMware, Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package simulator
import (
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"strings"
"sync"
"github.com/vmware/govmomi/vim25/methods"
"github.com/vmware/govmomi/vim25/mo"
"github.com/vmware/govmomi/vim25/soap"
"github.com/vmware/govmomi/vim25/types"
)
type HttpNfcLease struct {
mo.HttpNfcLease
files map[string]string
}
var (
nfcLease sync.Map // HTTP access to NFC leases are token based and do not require Session auth
nfcPrefix = "/nfc/"
)
// ServeNFC handles NFC file upload/download
func ServeNFC(w http.ResponseWriter, r *http.Request) {
p := strings.Split(r.URL.Path, "/")
id, name := p[len(p)-2], p[len(p)-1]
ref := types.ManagedObjectReference{Type: "HttpNfcLease", Value: id}
l, ok := nfcLease.Load(ref)
if !ok {
log.Printf("invalid NFC lease: %s", id)
http.NotFound(w, r)
return
}
lease := l.(*HttpNfcLease)
file, ok := lease.files[name]
if !ok {
log.Printf("invalid NFC device id: %s", name)
http.NotFound(w, r)
return
}
status := http.StatusOK
var dst io.Writer
var src io.ReadCloser
switch r.Method {
case http.MethodPut, http.MethodPost:
dst = ioutil.Discard
src = r.Body
case http.MethodGet:
f, err := os.Open(file)
if err != nil {
http.NotFound(w, r)
return
}
src = f
default:
status = http.StatusMethodNotAllowed
}
n, err := io.Copy(dst, src)
_ = src.Close()
msg := fmt.Sprintf("transferred %d bytes", n)
if err != nil {
status = http.StatusInternalServerError
msg = err.Error()
}
log.Printf("nfc %s %s: %s", r.Method, file, msg)
w.WriteHeader(status)
}
func NewHttpNfcLease(ctx *Context, entity types.ManagedObjectReference) *HttpNfcLease {
lease := &HttpNfcLease{
HttpNfcLease: mo.HttpNfcLease{
Info: &types.HttpNfcLeaseInfo{
Entity: entity,
LeaseTimeout: 30000,
},
State: types.HttpNfcLeaseStateReady,
},
files: make(map[string]string),
}
ctx.Session.Put(lease)
nfcLease.Store(lease.Reference(), lease)
return lease
}
func (l *HttpNfcLease) HttpNfcLeaseComplete(ctx *Context, req *types.HttpNfcLeaseComplete) soap.HasFault {
ctx.Session.Remove(req.This)
nfcLease.Delete(req.This)
return &methods.HttpNfcLeaseCompleteBody{
Res: new(types.HttpNfcLeaseCompleteResponse),
}
}
func (l *HttpNfcLease) HttpNfcLeaseAbort(ctx *Context, req *types.HttpNfcLeaseAbort) soap.HasFault {
ctx.Session.Remove(req.This)
nfcLease.Delete(req.This)
return &methods.HttpNfcLeaseAbortBody{
Res: new(types.HttpNfcLeaseAbortResponse),
}
}
func (l *HttpNfcLease) HttpNfcLeaseProgress(ctx *Context, req *types.HttpNfcLeaseProgress) soap.HasFault {
l.TransferProgress = req.Percent
return &methods.HttpNfcLeaseProgressBody{
Res: new(types.HttpNfcLeaseProgressResponse),
}
}
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