packer-cn/vendor/github.com/masterzen/winrm/response.go

126 lines
2.9 KiB
Go

package winrm
import (
"encoding/base64"
"fmt"
"io"
"strconv"
"strings"
"github.com/masterzen/winrm/soap"
"github.com/masterzen/xmlpath"
)
func first(node *xmlpath.Node, xpath string) (string, error) {
path, err := xmlpath.CompileWithNamespace(xpath, soap.GetAllNamespaces())
if err != nil {
return "", err
}
content, _ := path.String(node)
return content, nil
}
func any(node *xmlpath.Node, xpath string) (bool, error) {
path, err := xmlpath.CompileWithNamespace(xpath, soap.GetAllNamespaces())
if err != nil {
return false, err
}
return path.Exists(node), nil
}
func xpath(node *xmlpath.Node, xpath string) ([]xmlpath.Node, error) {
path, err := xmlpath.CompileWithNamespace(xpath, soap.GetAllNamespaces())
if err != nil {
return nil, err
}
nodes := make([]xmlpath.Node, 0, 1)
iter := path.Iter(node)
for iter.Next() {
nodes = append(nodes, *(iter.Node()))
}
return nodes, nil
}
func ParseOpenShellResponse(response string) (string, error) {
doc, err := xmlpath.Parse(strings.NewReader(response))
if err != nil {
return "", err
}
return first(doc, "//w:Selector[@Name='ShellId']")
}
func ParseExecuteCommandResponse(response string) (string, error) {
doc, err := xmlpath.Parse(strings.NewReader(response))
if err != nil {
return "", err
}
return first(doc, "//rsp:CommandId")
}
func ParseSlurpOutputErrResponse(response string, stdout, stderr io.Writer) (bool, int, error) {
var (
finished bool
exitCode int
)
doc, err := xmlpath.Parse(strings.NewReader(response))
stdouts, _ := xpath(doc, "//rsp:Stream[@Name='stdout']")
for _, node := range stdouts {
content, _ := base64.StdEncoding.DecodeString(node.String())
stdout.Write(content)
}
stderrs, _ := xpath(doc, "//rsp:Stream[@Name='stderr']")
for _, node := range stderrs {
content, _ := base64.StdEncoding.DecodeString(node.String())
stderr.Write(content)
}
ended, _ := any(doc, "//*[@State='http://schemas.microsoft.com/wbem/wsman/1/windows/shell/CommandState/Done']")
if ended {
finished = ended
if exitBool, _ := any(doc, "//rsp:ExitCode"); exitBool {
exit, _ := first(doc, "//rsp:ExitCode")
exitCode, _ = strconv.Atoi(exit)
}
} else {
finished = false
}
return finished, exitCode, err
}
func ParseSlurpOutputResponse(response string, stream io.Writer, streamType string) (bool, int, error) {
var (
finished bool
exitCode int
)
doc, err := xmlpath.Parse(strings.NewReader(response))
nodes, _ := xpath(doc, fmt.Sprintf("//rsp:Stream[@Name='%s']", streamType))
for _, node := range nodes {
content, _ := base64.StdEncoding.DecodeString(node.String())
stream.Write(content)
}
ended, _ := any(doc, "//*[@State='http://schemas.microsoft.com/wbem/wsman/1/windows/shell/CommandState/Done']")
if ended {
finished = ended
if exitBool, _ := any(doc, "//rsp:ExitCode"); exitBool {
exit, _ := first(doc, "//rsp:ExitCode")
exitCode, _ = strconv.Atoi(exit)
}
} else {
finished = false
}
return finished, exitCode, err
}