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package main
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"strconv"
)
// TODO get this from the config yaml?
const keySize = 2048
const expiryDays = 28
func errExit(errmsg string) {
fmt.Printf("ERROR: %s\n", errmsg)
os.Exit(1)
}
type certHandler struct {
cainfo caInfo
}
func (ch *certHandler) certResponder(w http.ResponseWriter, r *http.Request) {
ch.cainfo.CertWriter(w)
}
func doFilesSanityCheck(caCrt string, caKey string) {
if _, err := os.Stat(caCrt); os.IsNotExist(err) {
errExit("cannot find caCrt file")
}
if _, err := os.Stat(caKey); os.IsNotExist(err) {
errExit("cannot find caKey file")
}
}
func httpFileHandler(route string, path string) {
http.HandleFunc(route, func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, path)
})
}
func main() {
var caCrt = flag.String("caCrt", "", "path to the CA public key")
var caKey = flag.String("caKey", "", "path to the CA private key")
var port = flag.Int("port", 8000, "port where the server will listen")
flag.Parse()
if *caCrt == "" {
errExit("missing caCrt parameter")
}
if *caKey == "" {
errExit("missing caKey parameter")
}
doFilesSanityCheck(*caCrt, *caKey)
ci := newCaInfo(*caCrt, *caKey)
ch := certHandler{ci}
// add routes here
http.HandleFunc("/1/cert", ch.certResponder)
httpFileHandler("/1/ca.crt", "./public/ca.crt")
httpFileHandler("/1/configs.json", "./public/1/configs.json")
httpFileHandler("/1/service.json", "./public/1/service.json")
log.Fatal(http.ListenAndServe(":"+strconv.Itoa(*port), nil))
}
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