262 lines
7.5 KiB
Go
262 lines
7.5 KiB
Go
/*
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Implements the Google omaha protocol.
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Omaha is a request/response protocol using XML. Requests are made by
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clients and responses are given by the Omaha server.
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http://code.google.com/p/omaha/wiki/ServerProtocol
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*/
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package omaha
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import (
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"encoding/xml"
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)
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type Request struct {
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XMLName xml.Name `xml:"request" datastore:"-"`
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Os Os `xml:"os"`
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Apps []*App `xml:"app"`
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Protocol string `xml:"protocol,attr"`
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Version string `xml:"version,attr,omitempty"`
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IsMachine string `xml:"ismachine,attr,omitempty"`
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SessionId string `xml:"sessionid,attr,omitempty"`
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UserId string `xml:"userid,attr,omitempty"`
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InstallSource string `xml:"installsource,attr,omitempty"`
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TestSource string `xml:"testsource,attr,omitempty"`
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RequestId string `xml:"requestid,attr,omitempty"`
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UpdaterVersion string `xml:"updaterversion,attr,omitempty"`
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}
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func NewRequest(version string, platform string, sp string, arch string) *Request {
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r := new(Request)
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r.Protocol = "3.0"
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r.Os = Os{Version: version, Platform: platform, Sp: sp, Arch: arch}
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return r
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}
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func (r *Request) AddApp(id string, version string) *App {
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a := NewApp(id)
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a.Version = version
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r.Apps = append(r.Apps, a)
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return a
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}
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/* Response
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*/
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type Response struct {
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XMLName xml.Name `xml:"response" datastore:"-" json:"-"`
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DayStart DayStart `xml:"daystart"`
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Apps []*App `xml:"app"`
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Protocol string `xml:"protocol,attr"`
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Server string `xml:"server,attr"`
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}
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func NewResponse(server string) *Response {
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r := &Response{Server: server, Protocol: "3.0"}
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r.DayStart.ElapsedSeconds = "0"
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return r
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}
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type DayStart struct {
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ElapsedSeconds string `xml:"elapsed_seconds,attr"`
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}
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func (r *Response) AddApp(id string) *App {
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a := NewApp(id)
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r.Apps = append(r.Apps, a)
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return a
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}
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type App struct {
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XMLName xml.Name `xml:"app" datastore"-" json:"-"`
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Ping *Ping `xml:"ping"`
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UpdateCheck *UpdateCheck `xml:"updatecheck"`
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Events []*Event `xml:"event" json:",omitempty"`
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Id string `xml:"appid,attr,omitempty"`
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Version string `xml:"version,attr,omitempty"`
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NextVersion string `xml:"nextversion,attr,omitempty"`
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Lang string `xml:"lang,attr,omitempty"`
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Client string `xml:"client,attr,omitempty"`
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InstallAge string `xml:"installage,attr,omitempty"`
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Status string `xml:"status,attr,omitempty"`
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// update engine extensions
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Track string `xml:"track,attr,omitempty"`
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FromTrack string `xml:"from_track,attr,omitempty"`
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// coreos update engine extensions
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BootId string `xml:"bootid,attr,omitempty"`
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PreviousBootId string `xml:"previousbootid,attr,omitempty"`
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OEM string `xml:"oem,attr,omitempty"`
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}
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func NewApp(id string) *App {
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a := &App{Id: id}
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return a
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}
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func (a *App) AddUpdateCheck() *UpdateCheck {
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a.UpdateCheck = new(UpdateCheck)
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return a.UpdateCheck
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}
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func (a *App) AddPing() *Ping {
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a.Ping = new(Ping)
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return a.Ping
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}
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func (a *App) AddEvent() *Event {
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event := new(Event)
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a.Events = append(a.Events, event)
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return event
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}
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type UpdateCheck struct {
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XMLName xml.Name `xml:"updatecheck" datastore:"-" json:"-"`
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Urls *Urls `xml:"urls"`
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Manifest *Manifest `xml:"manifest"`
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TargetVersionPrefix string `xml:"targetversionprefix,attr,omitempty"`
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Status string `xml:"status,attr,omitempty"`
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}
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func (u *UpdateCheck) AddUrl(codebase string) *Url {
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if u.Urls == nil {
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u.Urls = new(Urls)
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}
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url := new(Url)
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url.CodeBase = codebase
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u.Urls.Urls = append(u.Urls.Urls, *url)
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return url
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}
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func (u *UpdateCheck) AddManifest(version string) *Manifest {
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u.Manifest = &Manifest{Version: version}
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return u.Manifest
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}
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type Ping struct {
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XMLName xml.Name `xml:"ping" datastore:"-" json:"-"`
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LastReportDays string `xml:"r,attr,omitempty"`
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Status string `xml:"status,attr,omitempty"`
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}
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type Os struct {
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XMLName xml.Name `xml:"os" datastore:"-" json:"-"`
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Platform string `xml:"platform,attr,omitempty"`
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Version string `xml:"version,attr,omitempty"`
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Sp string `xml:"sp,attr,omitempty"`
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Arch string `xml:"arch,attr,omitempty"`
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}
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func NewOs(platform string, version string, sp string, arch string) *Os {
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o := &Os{Version: version, Platform: platform, Sp: sp, Arch: arch}
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return o
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}
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type Event struct {
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XMLName xml.Name `xml:"event" datastore:"-" json:"-"`
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Type string `xml:"eventtype,attr,omitempty"`
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Result string `xml:"eventresult,attr,omitempty"`
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PreviousVersion string `xml:"previousversion,attr,omitempty"`
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}
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type Urls struct {
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XMLName xml.Name `xml:"urls" datastore:"-" json:"-"`
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Urls []Url `xml:"url" json:",omitempty"`
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}
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type Url struct {
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XMLName xml.Name `xml:"url" datastore:"-" json:"-"`
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CodeBase string `xml:"codebase,attr"`
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}
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type Manifest struct {
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XMLName xml.Name `xml:"manifest" datastore:"-" json:"-"`
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Packages Packages `xml:"packages"`
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Actions Actions `xml:"actions"`
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Version string `xml:"version,attr"`
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}
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type Packages struct {
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XMLName xml.Name `xml:"packages" datastore:"-" json:"-"`
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Packages []Package `xml:"package" json:",omitempty"`
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}
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type Package struct {
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XMLName xml.Name `xml:"package" datastore:"-" json:"-"`
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Hash string `xml:"hash,attr"`
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Name string `xml:"name,attr"`
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Size string `xml:"size,attr"`
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Required bool `xml:"required,attr"`
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}
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func (m *Manifest) AddPackage(hash string, name string, size string, required bool) *Package {
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p := &Package{Hash: hash, Name: name, Size: size, Required: required}
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m.Packages.Packages = append(m.Packages.Packages, *p)
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return p
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}
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type Actions struct {
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XMLName xml.Name `xml:"actions" datastore:"-" json:"-"`
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Actions []*Action `xml:"action" json:",omitempty"`
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}
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type Action struct {
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XMLName xml.Name `xml:"action" datastore:"-" json:"-"`
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Event string `xml:"event,attr"`
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// Extensions added by update_engine
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ChromeOSVersion string `xml:"ChromeOSVersion,attr"`
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Sha256 string `xml:"sha256,attr"`
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NeedsAdmin bool `xml:"needsadmin,attr"`
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IsDelta bool `xml:"IsDelta,attr"`
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DisablePayloadBackoff bool `xml:"DisablePayloadBackoff,attr,omitempty"`
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MetadataSignatureRsa string `xml:"MetadataSignatureRsa,attr,omitempty"`
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MetadataSize string `xml:"MetadataSize,attr,omitempty"`
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Deadline string `xml:"deadline,attr,omitempty"`
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}
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func (m *Manifest) AddAction(event string) *Action {
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a := &Action{Event: event}
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m.Actions.Actions = append(m.Actions.Actions, a)
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return a
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}
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var EventTypes = map[int]string{
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0: "unknown",
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1: "download complete",
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2: "install complete",
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3: "update complete",
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4: "uninstall",
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5: "download started",
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6: "install started",
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9: "new application install started",
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10: "setup started",
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11: "setup finished",
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12: "update application started",
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13: "update download started",
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14: "update download finished",
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15: "update installer started",
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16: "setup update begin",
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17: "setup update complete",
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20: "register product complete",
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30: "OEM install first check",
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40: "app-specific command started",
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41: "app-specific command ended",
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100: "setup failure",
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102: "COM server failure",
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103: "setup update failure",
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}
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var EventResults = map[int]string{
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0: "error",
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1: "success",
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2: "success reboot",
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3: "success restart browser",
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4: "cancelled",
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5: "error installer MSI",
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6: "error installer other",
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7: "noupdate",
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8: "error installer system",
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9: "update deferred",
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10: "handoff error",
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}
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