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

125 lines
2.9 KiB
Go

package winrm
import (
"encoding/base64"
"fmt"
"io"
"strconv"
"strings"
"github.com/ChrisTrenkamp/goxpath"
"github.com/ChrisTrenkamp/goxpath/tree"
"github.com/ChrisTrenkamp/goxpath/tree/xmltree"
"github.com/masterzen/winrm/soap"
)
func first(node tree.Node, xpath string) (string, error) {
nodes, err := xPath(node, xpath)
if err != nil {
return "", err
}
if len(nodes) < 1 {
return "", err
}
return nodes[0].ResValue(), nil
}
func any(node tree.Node, xpath string) (bool, error) {
nodes, err := xPath(node, xpath)
if err != nil {
return false, err
}
if len(nodes) > 0 {
return true, nil
}
return false, nil
}
func xPath(node tree.Node, xpath string) (tree.NodeSet, error) {
xpExec := goxpath.MustParse(xpath)
nodes, err := xpExec.ExecNode(node, soap.GetAllXPathNamespaces())
if err != nil {
return nil, err
}
return nodes, nil
}
func ParseOpenShellResponse(response string) (string, error) {
doc, err := xmltree.ParseXML(strings.NewReader(response))
if err != nil {
return "", err
}
return first(doc, "//w:Selector[@Name='ShellId']")
}
func ParseExecuteCommandResponse(response string) (string, error) {
doc, err := xmltree.ParseXML(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 := xmltree.ParseXML(strings.NewReader(response))
stdouts, _ := xPath(doc, "//rsp:Stream[@Name='stdout']")
for _, node := range stdouts {
content, _ := base64.StdEncoding.DecodeString(node.ResValue())
stdout.Write(content)
}
stderrs, _ := xPath(doc, "//rsp:Stream[@Name='stderr']")
for _, node := range stderrs {
content, _ := base64.StdEncoding.DecodeString(node.ResValue())
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 := xmltree.ParseXML(strings.NewReader(response))
nodes, _ := xPath(doc, fmt.Sprintf("//rsp:Stream[@Name='%s']", streamType))
for _, node := range nodes {
content, _ := base64.StdEncoding.DecodeString(node.ResValue())
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
}