X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=kraftakt.go;h=4700104d42b8d0216fb9f202e633a92b5e5a04fb;hb=49ab9e8d222250c29a7167a0ce7b60e4c8d4ee12;hp=69815c2d256f113cfbfd3036e4c00cff052dae0a;hpb=efc1f271711fbbbf06543c1d4883f377019f8c84;p=kraftakt.git diff --git a/kraftakt.go b/kraftakt.go index 69815c2..4700104 100644 --- a/kraftakt.go +++ b/kraftakt.go @@ -4,6 +4,7 @@ import ( "context" "encoding/json" "fmt" + "html/template" "io/ioutil" "net/http" "sync" @@ -21,17 +22,31 @@ import ( var delayedHandleNotifications = delay.Func("handleNotifications", handleNotifications) +var templates *template.Template + func init() { - http.HandleFunc("/fitbit/setup", fitbitSetupHandler) + http.Handle("/login", AuthenticatedHandler(loginHandler)) + http.Handle("/fitbit/connect", AuthenticatedHandler(fitbitConnectHandler)) http.Handle("/fitbit/grant", AuthenticatedHandler(fitbitGrantHandler)) - http.Handle("/fitbit/notify", ContextHandler(fitbitNotifyHandler)) - http.HandleFunc("/google/setup", googleSetupHandler) + http.Handle("/fitbit/disconnect", AuthenticatedHandler(fitbitDisconnectHandler)) + http.Handle("/google/connect", AuthenticatedHandler(googleConnectHandler)) http.Handle("/google/grant", AuthenticatedHandler(googleGrantHandler)) - http.Handle("/", AuthenticatedHandler(indexHandler)) + http.Handle("/google/disconnect", AuthenticatedHandler(googleDisconnectHandler)) + // unauthenticated + http.Handle("/fitbit/notify", ContextHandler(fitbitNotifyHandler)) + http.Handle("/", ContextHandler(indexHandler)) - if err := app.LoadConfig(context.Background()); err != nil { + t, err := template.ParseGlob("templates/*.html") + if err != nil { panic(err) } + templates = t +} + +func internalServerError(ctx context.Context, w http.ResponseWriter, err error) { + log.Errorf(ctx, "%v", err) + + http.Error(w, "Internal Server Error\n\nReference: "+appengine.RequestID(ctx), http.StatusInternalServerError) } // ContextHandler implements http.Handler @@ -40,8 +55,13 @@ type ContextHandler func(context.Context, http.ResponseWriter, *http.Request) er func (hndl ContextHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { ctx := appengine.NewContext(r) + if err := app.LoadConfig(ctx); err != nil { + internalServerError(ctx, w, fmt.Errorf("LoadConfig() = %v", err)) + return + } + if err := hndl(ctx, w, r); err != nil { - http.Error(w, err.Error(), http.StatusInternalServerError) + internalServerError(ctx, w, err) return } } @@ -51,11 +71,16 @@ type AuthenticatedHandler func(context.Context, http.ResponseWriter, *http.Reque func (hndl AuthenticatedHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { ctx := appengine.NewContext(r) + if err := app.LoadConfig(ctx); err != nil { + internalServerError(ctx, w, fmt.Errorf("LoadConfig() = %v", err)) + return + } + gaeUser := user.Current(ctx) if gaeUser == nil { url, err := user.LoginURL(ctx, r.URL.String()) if err != nil { - http.Error(w, err.Error(), http.StatusInternalServerError) + internalServerError(ctx, w, fmt.Errorf("LoginURL() = %v", err)) return } http.Redirect(w, r, url, http.StatusTemporaryRedirect) @@ -64,68 +89,69 @@ func (hndl AuthenticatedHandler) ServeHTTP(w http.ResponseWriter, r *http.Reques u, err := app.NewUser(ctx, gaeUser.Email) if err != nil { - http.Error(w, err.Error(), http.StatusInternalServerError) + internalServerError(ctx, w, fmt.Errorf("NewUser(%q) = %v", gaeUser.Email, err)) return } if err := hndl(ctx, w, r, u); err != nil { - http.Error(w, err.Error(), http.StatusInternalServerError) + internalServerError(ctx, w, err) return } } -func indexHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { - _, err := u.Token(ctx, "Fitbit") - if err != nil && err != datastore.ErrNoSuchEntity { - return err - } - haveFitbitToken := err == nil - - _, err = u.Token(ctx, "Google") - if err != nil && err != datastore.ErrNoSuchEntity { - return err +func indexHandler(ctx context.Context, w http.ResponseWriter, _ *http.Request) error { + var templateData struct { + HaveFitbit bool + HaveGoogleFit bool + *app.User } - haveGoogleToken := err == nil + templateName := "main.html" - fmt.Fprintln(w, "Kraftakt") - fmt.Fprintln(w, "

Kraftakt

") + if gaeUser := user.Current(ctx); gaeUser != nil { + templateName = "loggedin.html" - fmt.Fprintln(w, "

Kraftakt copies your Fitbit data to Google Fit, seconds after you sync.

") - - fmt.Fprintf(w, "

Hello %s

\n", user.Current(ctx).Email) - fmt.Fprintln(w, "") - fmt.Fprintln(w, "") + return templates.ExecuteTemplate(w, templateName, &templateData) +} +func loginHandler(_ context.Context, w http.ResponseWriter, r *http.Request, _ *app.User) error { + // essentially a nop; all the heavy lifting (i.e. logging in) has been done by the AuthenticatedHandler wrapper. + redirectURL := r.URL + redirectURL.Path = "/" + redirectURL.RawQuery = "" + redirectURL.Fragment = "" + http.Redirect(w, r, redirectURL.String(), http.StatusTemporaryRedirect) return nil } -func fitbitSetupHandler(w http.ResponseWriter, r *http.Request) { - http.Redirect(w, r, fitbit.AuthURL(), http.StatusTemporaryRedirect) +func fitbitConnectHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { + http.Redirect(w, r, fitbit.AuthURL(ctx, u), http.StatusTemporaryRedirect) + return nil } func fitbitGrantHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { if err := fitbit.ParseToken(ctx, r, u); err != nil { return err } - c, err := fitbit.NewClient(ctx, "-", u) + c, err := fitbit.NewClient(ctx, "", u) if err != nil { return err } @@ -145,8 +171,31 @@ func fitbitGrantHandler(ctx context.Context, w http.ResponseWriter, r *http.Requ return nil } -func googleSetupHandler(w http.ResponseWriter, r *http.Request) { - http.Redirect(w, r, gfit.AuthURL(), http.StatusTemporaryRedirect) +func fitbitDisconnectHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { + c, err := fitbit.NewClient(ctx, "", u) + if err != nil { + return err + } + + if err := c.UnsubscribeAll(ctx); err != nil { + return fmt.Errorf("UnsubscribeAll() = %v", err) + } + + if err := c.DeleteToken(ctx); err != nil { + return err + } + + redirectURL := r.URL + redirectURL.Path = "/" + redirectURL.RawQuery = "" + redirectURL.Fragment = "" + http.Redirect(w, r, redirectURL.String(), http.StatusTemporaryRedirect) + return nil +} + +func googleConnectHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { + http.Redirect(w, r, gfit.AuthURL(ctx, u), http.StatusTemporaryRedirect) + return nil } func googleGrantHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { @@ -162,6 +211,24 @@ func googleGrantHandler(ctx context.Context, w http.ResponseWriter, r *http.Requ return nil } +func googleDisconnectHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, u *app.User) error { + c, err := gfit.NewClient(ctx, u) + if err != nil { + return err + } + + if err := c.DeleteToken(ctx); err != nil { + return err + } + + redirectURL := r.URL + redirectURL.Path = "/" + redirectURL.RawQuery = "" + redirectURL.Fragment = "" + http.Redirect(w, r, redirectURL.String(), http.StatusTemporaryRedirect) + return nil +} + // fitbitNotifyHandler is called by Fitbit whenever there are updates to a // subscription. It verifies the payload, splits it into individual // notifications and adds it to the taskqueue service. @@ -191,6 +258,7 @@ func fitbitNotifyHandler(ctx context.Context, w http.ResponseWriter, r *http.Req // Fitbit recommendation: "If signature verification fails, you should // respond with a 404" if !fitbit.CheckSignature(ctx, data, r.Header.Get("X-Fitbit-Signature")) { + log.Warningf(ctx, "signature mismatch") w.WriteHeader(http.StatusNotFound) return nil } @@ -206,6 +274,12 @@ func fitbitNotifyHandler(ctx context.Context, w http.ResponseWriter, r *http.Req // handleNotifications parses fitbit notifications and requests the individual // activities from Fitbit. It is executed asynchronously via the delay package. func handleNotifications(ctx context.Context, payload []byte) error { + log.Debugf(ctx, "NOTIFY -> %s", payload) + + if err := app.LoadConfig(ctx); err != nil { + return err + } + var subscriptions []fitbit.Subscription if err := json.Unmarshal(payload, &subscriptions); err != nil { return err @@ -227,7 +301,7 @@ func handleNotifications(ctx context.Context, payload []byte) error { } func handleNotification(ctx context.Context, s *fitbit.Subscription) error { - u, err := app.UserByID(ctx, s.SubscriptionID) + u, err := fitbit.UserFromSubscriberID(ctx, s.SubscriptionID) if err != nil { return err } @@ -311,7 +385,7 @@ func handleNotification(ctx context.Context, s *fitbit.Subscription) error { break } if err := gfitClient.SetDistance(ctx, distanceMeters, tm); err != nil { - errs = append(errs, fmt.Errorf("gfitClient.SetDistance(%d) = %v", distanceMeters, err)) + errs = append(errs, fmt.Errorf("gfitClient.SetDistance(%g) = %v", distanceMeters, err)) return } }()