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|
package upnp
import (
"encoding/xml"
"errors"
"fmt"
"regexp"
"strconv"
"strings"
"github.com/anacrolix/log"
)
var serviceURNRegexp *regexp.Regexp = regexp.MustCompile(`^urn:(.*):service:(\w+):(\d+)$`)
type ServiceURN struct {
Auth string
Type string
Version uint64
}
func (me ServiceURN) String() string {
return fmt.Sprintf("urn:%s:service:%s:%d", me.Auth, me.Type, me.Version)
}
func ParseServiceType(s string) (ret ServiceURN, err error) {
matches := serviceURNRegexp.FindStringSubmatch(s)
if matches == nil {
err = errors.New(s)
return
}
if len(matches) != 4 {
log.Panicf("Invalid serviceURNRegexp?")
}
ret.Auth = matches[1]
ret.Type = matches[2]
ret.Version, err = strconv.ParseUint(matches[3], 0, 0)
return
}
type SoapAction struct {
ServiceURN
Action string
}
func ParseActionHTTPHeader(s string) (ret SoapAction, err error) {
if len(s) < 3 {
return
}
if s[0] != '"' || s[len(s)-1] != '"' {
return
}
s = s[1 : len(s)-1]
hashIndex := strings.LastIndex(s, "#")
if hashIndex == -1 {
return
}
ret.Action = s[hashIndex+1:]
ret.ServiceURN, err = ParseServiceType(s[:hashIndex])
return
}
type SpecVersion struct {
Major int `xml:"major"`
Minor int `xml:"minor"`
}
type Icon struct {
Mimetype string `xml:"mimetype"`
Width int `xml:"width"`
Height int `xml:"height"`
Depth int `xml:"depth"`
URL string `xml:"url"`
}
type Service struct {
XMLName xml.Name `xml:"service"`
ServiceType string `xml:"serviceType"`
ServiceId string `xml:"serviceId"`
SCPDURL string
ControlURL string `xml:"controlURL"`
EventSubURL string `xml:"eventSubURL"`
}
type Device struct {
DeviceType string `xml:"deviceType"`
FriendlyName string `xml:"friendlyName"`
Manufacturer string `xml:"manufacturer"`
ModelName string `xml:"modelName"`
UDN string
VendorXML string `xml:",innerxml"`
IconList []Icon `xml:"iconList>icon"`
ServiceList []Service `xml:"serviceList>service"`
PresentationURL string `xml:"presentationURL,omitempty"`
}
type DeviceDesc struct {
XMLName xml.Name `xml:"urn:schemas-upnp-org:device-1-0 root"`
NSDLNA string `xml:"xmlns:dlna,attr"`
NSSEC string `xml:"xmlns:sec,attr"`
SpecVersion SpecVersion `xml:"specVersion"`
Device Device `xml:"device"`
}
type Error struct {
XMLName xml.Name `xml:"urn:schemas-upnp-org:control-1-0 UPnPError"`
Code uint `xml:"errorCode"`
Desc string `xml:"errorDescription"`
}
func (e *Error) Error() string {
return fmt.Sprintf("%d %s", e.Code, e.Desc)
}
const (
InvalidActionErrorCode = 401
ActionFailedErrorCode = 501
ArgumentValueInvalidErrorCode = 600
)
var (
InvalidActionError = Errorf(401, "Invalid Action")
ArgumentValueInvalidError = Errorf(600, "The argument value is invalid")
)
// Errorf creates an UPNP error from the given code and description
func Errorf(code uint, tpl string, args ...interface{}) *Error {
return &Error{Code: code, Desc: fmt.Sprintf(tpl, args...)}
}
// ConvertError converts any error to an UPNP error
func ConvertError(err error) *Error {
if err == nil {
return nil
}
if e, ok := err.(*Error); ok {
return e
}
return Errorf(ActionFailedErrorCode, err.Error())
}
type Action struct {
Name string
Arguments []Argument
}
type Argument struct {
Name string
Direction string
RelatedStateVar string
}
type SCPD struct {
XMLName xml.Name `xml:"urn:schemas-upnp-org:service-1-0 scpd"`
SpecVersion SpecVersion `xml:"specVersion"`
ActionList []Action `xml:"actionList>action"`
ServiceStateTable []StateVariable `xml:"serviceStateTable>stateVariable"`
}
type StateVariable struct {
SendEvents string `xml:"sendEvents,attr"`
Name string `xml:"name"`
DataType string `xml:"dataType"`
AllowedValues *[]string `xml:"allowedValueList>allowedValue,omitempty"`
}
func FormatUUID(buf []byte) string {
return fmt.Sprintf("uuid:%x-%x-%x-%x-%x", buf[:4], buf[4:6], buf[6:8], buf[8:10], buf[10:16])
}
|
