func main() {
var Usage = func() {
fmt.Fprintf(os.Stderr,
"Mozilla InvestiGator Action Generator\n"+
"usage: %s -k=<key id> (-i <input file)\n\n"+
"Command line to generate and sign MIG Actions.\n"+
"The resulting actions are display on stdout.\n\n"+
"Options:\n",
os.Args[0])
flag.PrintDefaults()
}
// command line options
var key = flag.String("k", "key identifier", "Key identifier used to sign the action (ex: B75C2346)")
var pretty = flag.Bool("p", false, "Print signed action in pretty JSON format")
var urlencode = flag.Bool("urlencode", false, "URL Encode marshalled JSON before output")
var posturl = flag.String("posturl", "", "POST action to <url> (enforces urlencode)")
var file = flag.String("i", "/path/to/file", "Load action from file")
var validfrom = flag.String("validfrom", "now", "(optional) set an ISO8601 date the action will be valid from. If unset, use 'now'.")
var expireafter = flag.String("expireafter", "30m", "(optional) set a validity duration for the action. If unset, use '30m'.")
flag.Parse()
// We need a key, if none is set on the command line, fail
if *key == "key identifier" {
Usage()
os.Exit(-1)
}
var a mig.Action
var err error
// if a file is defined, load action from that
if *file != "/path/to/file" {
a, err = mig.ActionFromFile(*file)
} else {
// otherwise, use interactive mode
a, err = getActionFromTerminal()
}
if err != nil {
panic(err)
}
// set the dates
if *validfrom == "now" {
a.ValidFrom = time.Now().UTC()
} else {
a.ValidFrom, err = time.Parse("2014-01-01T00:00:00.0Z", *validfrom)
if err != nil {
panic(err)
}
}
period, err := time.ParseDuration(*expireafter)
if err != nil {
log.Fatal(err)
}
a.ExpireAfter = a.ValidFrom.Add(period)
// compute the signature
str, err := a.String()
if err != nil {
panic(err)
}
a.PGPSignature, err = sign.Sign(str, *key)
if err != nil {
panic(err)
}
a.PGPSignatureDate = time.Now().UTC()
var jsonAction []byte
if *pretty {
jsonAction, err = json.MarshalIndent(a, "", "\t")
} else {
jsonAction, err = json.Marshal(a)
}
if err != nil {
panic(err)
}
// if asked, url encode the action before marshaling it
actionstr := string(jsonAction)
if *urlencode {
strJsonAction := string(jsonAction)
actionstr = url.QueryEscape(strJsonAction)
}
if *posturl != "" {
resp, err := http.PostForm(*posturl, url.Values{"action": {actionstr}})
if err != nil {
panic(err)
}
var buf [512]byte
reader := resp.Body
for {
n, err := reader.Read(buf[0:])
if err != nil {
os.Exit(0)
}
fmt.Print(string(buf[0:n]))
}
}
// find keyring in default location
u, err := user.Current()
if err != nil {
panic(err)
}
// load keyring
var gnupghome string
gnupghome = os.Getenv("GNUPGHOME")
if gnupghome == "" {
gnupghome = "/.gnupg"
}
keyring, err := os.Open(u.HomeDir + gnupghome + "/pubring.gpg")
if err != nil {
panic(err)
}
defer keyring.Close()
// syntax checking
err = a.Validate()
if err != nil {
panic(err)
}
// syntax checking
err = a.VerifySignature(keyring)
if err != nil {
panic(err)
}
}
// createAction receives a signed action in a POST request, validates it,
// and write it into the scheduler spool
func createAction(respWriter http.ResponseWriter, request *http.Request) {
var err error
opid := mig.GenID()
var action mig.Action
resource := cljs.New(request.URL.String())
defer func() {
if e := recover(); e != nil {
ctx.Channels.Log <- mig.Log{OpID: opid, ActionID: action.ID, Desc: fmt.Sprintf("%v", e)}.Err()
resource.SetError(cljs.Error{Code: fmt.Sprintf("%d", opid), Message: fmt.Sprintf("%v", e)})
respond(500, resource, respWriter, request, opid)
}
ctx.Channels.Log <- mig.Log{OpID: opid, ActionID: action.ID, Desc: "leaving createAction()"}.Debug()
}()
// parse the POST body into a mig action
request.ParseForm()
postAction := request.FormValue("action")
err = json.Unmarshal([]byte(postAction), &action)
if err != nil {
panic(err)
}
ctx.Channels.Log <- mig.Log{OpID: opid, Desc: fmt.Sprintf("Received action for creation '%s'", action)}.Debug()
// load keyring and validate action
keyring, err := os.Open(ctx.OpenPGP.PubRing)
if err != nil {
panic(err)
}
defer keyring.Close()
err = action.Validate()
if err != nil {
panic(err)
}
err = action.VerifySignature(keyring)
if err != nil {
panic(err)
}
action.ID = mig.GenID()
ctx.Channels.Log <- mig.Log{OpID: opid, ActionID: action.ID, Desc: "Received new action with valid signature"}
// write action to disk
destdir := fmt.Sprintf("%s/%d.json", ctx.Directories.Action.New, action.ID)
newAction, err := json.Marshal(action)
if err != nil {
panic(err)
}
err = safeWrite(opid, destdir, newAction)
if err != nil {
panic(err)
}
ctx.Channels.Log <- mig.Log{OpID: opid, ActionID: action.ID, Desc: "Action committed to spool"}
err = resource.AddItem(cljs.Item{
Href: "/api/action?actionid=" + fmt.Sprintf("%d", action.ID),
Data: []cljs.Data{{Name: "action ID " + fmt.Sprintf("%d", action.ID), Value: action}},
})
if err != nil {
panic(err)
}
respond(201, resource, respWriter, request, opid)
}
func main() {
var err error
var Usage = func() {
fmt.Fprintf(os.Stderr,
"Mozilla InvestiGator Action Verifier\n"+
"usage: %s <-a action file> <-c command file>\n\n"+
"Command line to verify an action *or* command.\n"+
"Options:\n",
os.Args[0])
flag.PrintDefaults()
}
hasaction := false
hascommand := false
// command line options
var actionfile = flag.String("a", "/path/to/action", "Load action from file")
var commandfile = flag.String("c", "/path/to/command", "Load command from file")
var pubring = flag.String("pubring", "/path/to/pubring", "Use pubring at <path>")
flag.Parse()
// if a file is defined, load action from that
if *actionfile != "/path/to/action" {
hasaction = true
}
if *commandfile != "/path/to/command" {
hascommand = true
}
if (hasaction && hascommand) || (!hasaction && !hascommand) {
Usage()
panic(err)
}
var a mig.Action
if hasaction {
a, err = mig.ActionFromFile(*actionfile)
if err != nil {
panic(err)
}
} else {
c, err := mig.CmdFromFile(*commandfile)
if err != nil {
panic(err)
}
a = c.Action
}
fmt.Printf("%s\n", a)
err = a.Validate()
if err != nil {
fmt.Println(err)
}
// find keyring in default location
u, err := user.Current()
if err != nil {
panic(err)
}
if *pubring != "/path/to/pubring" {
// load keyring
var gnupghome string
gnupghome = os.Getenv("GNUPGHOME")
if gnupghome == "" {
gnupghome = "/.gnupg"
}
*pubring = u.HomeDir + gnupghome + "/pubring.gpg"
}
keyring, err := os.Open(*pubring)
if err != nil {
panic(err)
}
defer keyring.Close()
// syntax checking
err = a.VerifySignature(keyring)
if err != nil {
panic(err)
}
fmt.Println("Valid signature")
}