/
api.go
86 lines (70 loc) · 2.36 KB
/
api.go
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// Package api defines the routes accessible and the logic when they are hit.
package api
import (
"fmt"
"net/http"
"net/url"
"regexp"
"github.com/gorilla/pat"
"github.com/jcelliott/lumber"
nanoauth "github.com/nanobox-io/golang-nanoauth"
"github.com/spf13/viper"
)
// Start starts the api listener
func Start() error {
uri, err := url.Parse(viper.GetString("listen-addr"))
if err != nil {
return fmt.Errorf("Failed to parse 'listen-addr' - %s", err)
}
// blocking...
nanoauth.DefaultAuth.Header = "X-AUTH-TOKEN"
// listen http (with auth support)
if uri.Scheme == "http" {
lumber.Info("Starting hoarder server at 'http://%s'...", uri.Host)
return nanoauth.ListenAndServe(uri.Host, viper.GetString("token"), routes(), "/ping")
}
// listen https
lumber.Info("Starting secure hoarder server at 'https://%s'...", uri.Host)
return nanoauth.ListenAndServeTLS(uri.Host, viper.GetString("token"), routes(), "/ping")
}
// routes registers all api routes with the router
func routes() *pat.Router {
lumber.Debug("Registering routes...\n")
// create new router
router := pat.New()
// define ping
router.Get("/ping", func(rw http.ResponseWriter, req *http.Request) {
rw.Write([]byte("pong\n"))
})
// blobs
router.Add("HEAD", "/blobs/{blob}", handleRequest(getHead))
router.Get("/blobs/{blob}", handleRequest(get))
router.Post("/blobs/{blob}", handleRequest(create))
router.Put("/blobs/{blob}", handleRequest(update))
router.Delete("/blobs/{blob}", handleRequest(delete))
router.Add("HEAD", "/blobs", handleRequest(list))
router.Get("/blobs", handleRequest(list))
//
return router
}
// handleRequest is a wrapper for the actual route handler, simply to provide some
// debug output
func handleRequest(fn http.HandlerFunc) http.HandlerFunc {
return func(rw http.ResponseWriter, req *http.Request) {
//
fn(rw, req)
// must be after req returns
getStatus := func(trw http.ResponseWriter) string {
r, _ := regexp.Compile("status:([0-9]*)")
return r.FindStringSubmatch(fmt.Sprintf("%+v", trw))[1]
}
getWrote := func(trw http.ResponseWriter) string {
r, _ := regexp.Compile("written:([0-9]*)")
return r.FindStringSubmatch(fmt.Sprintf("%+v", trw))[1]
}
lumber.Debug(`%s - [%s] %s %s %s(%s) - "User-Agent: %s"`,
req.RemoteAddr, req.Proto, req.Method, req.RequestURI,
getStatus(rw), getWrote(rw), // %s(%s)
req.Header.Get("User-Agent"))
}
}