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login.go
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login.go
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// Copyright 2017-2018 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 lib
import (
"context"
"fmt"
"net/url"
"time"
"github.com/vmware/vic-product/installer/pkg/version"
"github.com/vmware/vic/pkg/errors"
"github.com/vmware/vic/pkg/trace"
"github.com/vmware/vic/pkg/vsphere/session"
)
const loginTimeout = 15 * time.Second
// LoginInfo represents credentials needed to access vSphere
type LoginInfo struct {
Target string `json:"target"`
User string `json:"user"`
Password string `json:"password"`
Thumbprint string `json:"thumbprint"`
URL *url.URL
Session *session.Session
}
// VerifyLogin based on info given, return non nil error if validation fails.
func (info *LoginInfo) VerifyLogin(op trace.Operation) (context.CancelFunc, error) {
defer trace.End(trace.Begin(""))
info.URL = &url.URL{
Scheme: "https",
Host: info.Target,
User: url.UserPassword(info.User, info.Password),
Path: "",
}
op.Infof("server URL: %v\n", info.URL.Host)
ctx, cancel := context.WithTimeout(context.Background(), loginTimeout)
loginResponse := make(chan error, 1)
var err error
go func() {
if info.Thumbprint == "" {
err = errors.New("Thumbprint is empty")
op.Errorf("%s", err)
loginResponse <- err
return
}
sessionconfig := &session.Config{
Thumbprint: info.Thumbprint,
UserAgent: version.UserAgent("vic-appliance"),
Service: info.URL.String(),
}
info.Session = session.NewSession(sessionconfig)
info.Session, err = info.Session.Connect(op)
if err != nil {
op.Errorf("failed to connect: %s", err)
loginResponse <- err
return
}
// #nosec: Errors unhandled.
info.Session.Populate(op)
loginResponse <- err
}()
select {
case <-ctx.Done():
loginResponse <- fmt.Errorf("login failed; session context deadline exceeded")
case err := <-loginResponse:
if err != nil {
op.Infof("session: %s", err)
loginResponse <- err
} else {
loginResponse <- nil
}
}
return cancel, <-loginResponse
}