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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
)
// This is a simple program that implements the "helper program" protocol
// for the svchost/auth package for unit testing purposes.
func main() {
args := os.Args
if len(args) < 3 {
die("not enough arguments\n")
}
host := args[2]
switch args[1] {
case "get":
switch host {
case "example.com":
fmt.Print(`{"token":"example-token"}`)
case "other-cred-type.example.com":
fmt.Print(`{"username":"alfred"}`) // unrecognized by main program
case "fail.example.com":
die("failing because you told me to fail\n")
default:
fmt.Print("{}") // no credentials available
}
case "store":
dataSrc, err := ioutil.ReadAll(os.Stdin)
if err != nil {
die("invalid input: %s", err)
}
var data map[string]interface{}
err = json.Unmarshal(dataSrc, &data)
switch host {
case "example.com":
if data["token"] != "example-token" {
die("incorrect token value to store")
}
default:
die("can't store credentials for %s", host)
}
case "forget":
switch host {
case "example.com":
// okay!
default:
die("can't forget credentials for %s", host)
}
default:
die("unknown subcommand %q\n", args[1])
}
}
func die(f string, args ...interface{}) {
fmt.Fprintf(os.Stderr, fmt.Sprintf(f, args...))
os.Exit(1)
}
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