Initial commit

server.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"context"
+	"crypto/subtle"
+	"fmt"
+	"net/http"
+
+	"git.agecem.com/bottin/bottin/v10/pkg/bottin"
+	"git.agecem.com/bottin/presences/ui"
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+)
+
+func RunUIServer(ctx context.Context, cfg Config, bottinClient *bottin.APIClient, dbClient *DBClient) error {
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+		if bottinClient == nil {
+			return fmt.Errorf("nil bottin client")
+		}
+
+		if dbClient == nil {
+			return fmt.Errorf("nil dbClient")
+		}
+
+		if err := dbClient.Init(ctx); err != nil {
+			return err
+		}
+
+		e := echo.New()
+
+		r := ui.NewRenderer()
+
+		if r == nil {
+			return fmt.Errorf("nil renderer")
+		}
+
+		e.Renderer = r
+
+		e.Pre(middleware.AddTrailingSlash())
+
+		// basic auth
+		if cfg.UI.Username == "" || cfg.UI.Password == "" {
+			return fmt.Errorf("UI username and password cannot be empty, please set UI.Password and UI.Username (PRESENCES_UI_PASSWORD and PRESENCES_UI_USERNAME")
+		}
+
+		e.Pre(middleware.BasicAuth(
+			func(username, password string, c echo.Context) (bool, error) {
+				userOK := subtle.ConstantTimeCompare([]byte(username), []byte(cfg.UI.Username)) == 1
+				passOK := subtle.ConstantTimeCompare([]byte(password), []byte(cfg.UI.Password)) == 1
+				if userOK && passOK {
+					return true, nil
+				}
+				return false, nil
+			}),
+		)
+
+		e.Group("/public/js/*").Use(middleware.StaticWithConfig(middleware.StaticConfig{
+			Root:       "/js/",
+			Filesystem: http.FS(ui.JSFS()),
+		}))
+
+		e.GET("/", UIIndex(ctx, cfg))
+		e.GET("/nothing/", func(c echo.Context) error { return c.NoContent(http.StatusOK) })
+		e.GET("/decompte/", UICountPresences(ctx, cfg, dbClient))
+		e.POST("/scan/", UICreatePresence(ctx, cfg, bottinClient, dbClient))
+
+		address := fmt.Sprintf(":%d", cfg.Port)
+
+		return e.StartTLS(address, cfg.TLS.Cert, cfg.TLS.Key)
+	}
+
+}