forked from msanterre/canoe
/
main.go
75 lines (61 loc) · 1.47 KB
/
main.go
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package main
import (
"encoding/json"
"fmt"
"os"
"net/http"
"github.com/codegangsta/negroni"
"github.com/gorilla/mux"
"github.com/thoas/stats"
)
const DefaultRedirectionHost = "canoe.lvh.me"
const DefaultAPIHost = "canoeapi.lvh.me"
const DefaultPort = "5050"
func HomeHandler(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, "Canoe URL shorterning service")
}
func main() {
statsMiddleware := stats.New()
router := mux.NewRouter()
redirectionRouter := RedirectionRouter()
apiRouter := ApiRouter(statsMiddleware)
n := negroni.Classic()
router.Host(redirectionHost()).Handler(negroni.New(
statsMiddleware,
negroni.Wrap(redirectionRouter),
))
router.Host(apiHost()).Handler(negroni.New(
negroni.HandlerFunc(AuthenticateRequest),
statsMiddleware,
negroni.Wrap(apiRouter),
))
router.HandleFunc("/", HomeHandler)
n.UseHandler(router)
n.Run("0.0.0.0:" + runPort())
}
func runPort() string {
if envPort := os.Getenv("PORT"); len(envPort) > 1 {
return envPort
}
return DefaultPort
}
func apiHost() string {
if envHost := os.Getenv("CANOE_API_HOST"); len(envHost) > 1 {
return envHost
}
return DefaultAPIHost
}
func redirectionHost() string {
if envHost := os.Getenv("CANOE_REDIRECTION_HOST"); len(envHost) > 1 {
return envHost
}
return DefaultRedirectionHost
}
func ToJson(obj interface{}) (string, error) {
bytes, err := json.Marshal(obj)
if err != nil {
fmt.Println("[ERR] ToJson - ", err)
return "{}", err
}
return string(bytes), nil
}