forked from Deuxfleurs/guichet
Config file logic
This commit is contained in:
parent
d12afb8a15
commit
8f5ab6cab3
2 changed files with 75 additions and 11 deletions
1
.gitignore
vendored
1
.gitignore
vendored
|
@ -1 +1,2 @@
|
|||
guichet
|
||||
config.json
|
||||
|
|
85
main.go
85
main.go
|
@ -2,29 +2,92 @@ package main
|
|||
|
||||
import (
|
||||
"os"
|
||||
"flag"
|
||||
"fmt"
|
||||
"log"
|
||||
"net/http"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"encoding/json"
|
||||
"encoding/base64"
|
||||
"crypto/rand"
|
||||
|
||||
"github.com/gorilla/sessions"
|
||||
)
|
||||
|
||||
var store = sessions.NewCookieStore([]byte(os.Getenv("SESSION_KEY")))
|
||||
|
||||
func handleHome(w http.ResponseWriter, r *http.Request) {
|
||||
fmt.Fprintf(w, "Hello, world!")
|
||||
type ConfigFile struct {
|
||||
HttpBindAddr string `json:"http_bind_addr"`
|
||||
SessionKey string `json:"session_key"`
|
||||
LdapServerAddr string `json:"ldap_server_addr"`
|
||||
}
|
||||
|
||||
func main() {
|
||||
http.HandleFunc("/", handleHome)
|
||||
var configFlag = flag.String("config", "./config.json", "Configuration file path")
|
||||
|
||||
bind_addr := os.Getenv("HTTP_BIND_ADDR")
|
||||
if bind_addr == "" {
|
||||
bind_addr = ":9991"
|
||||
func readConfig() ConfigFile {
|
||||
key_bytes := make([]byte, 32)
|
||||
n, err := rand.Read(key_bytes)
|
||||
if err!= nil || n != 32 {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
err := http.ListenAndServe(bind_addr, nil)
|
||||
config_file := ConfigFile{
|
||||
HttpBindAddr: ":9991",
|
||||
SessionKey: base64.StdEncoding.EncodeToString(key_bytes),
|
||||
LdapServerAddr: "127.0.0.1:389",
|
||||
}
|
||||
|
||||
_, err = os.Stat(*configFlag)
|
||||
if os.IsNotExist(err) {
|
||||
// Generate default config file
|
||||
log.Printf("Generating default config file as %s", *configFlag)
|
||||
|
||||
bytes, err := json.MarshalIndent(&config_file, "", " ")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
err = ioutil.WriteFile(*configFlag, bytes, 0644)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
return config_file
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
bytes, err := ioutil.ReadFile(*configFlag)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
err = json.Unmarshal(bytes, &config_file)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
return config_file
|
||||
}
|
||||
|
||||
var store *sessions.CookieStore = nil
|
||||
|
||||
func main() {
|
||||
flag.Parse()
|
||||
|
||||
config := readConfig()
|
||||
store = sessions.NewCookieStore([]byte(config.SessionKey))
|
||||
|
||||
http.HandleFunc("/", handleHome)
|
||||
|
||||
err := http.ListenAndServe(config.HttpBindAddr, nil)
|
||||
if err != nil {
|
||||
log.Fatal("Cannot start http server: ", err)
|
||||
}
|
||||
}
|
||||
|
||||
// Page handlers ----
|
||||
|
||||
func handleHome(w http.ResponseWriter, r *http.Request) {
|
||||
fmt.Fprintf(w, "Hello, world!")
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue