feat(server): serve web contents (#656)

Author: rot1024

.vscode/settings.json

@@ -4,6 +4,5 @@
   "go.lintFlags": [
     "--config=${workspaceFolder}/.golangci.yml"
   ],
-  "gopls": { "experimentalWorkspaceModule": true}
-
+  "go.useLanguageServer": true
 }

server/e2e/publicapi_test.go

@@ -97,6 +97,10 @@ func TestPublicAPI(t *testing.T) {
 				},
 			},
 			"totalCount": 3,
+			"hasMore":    false,
+			"limit":      50,
+			"offset":     0,
+			"page":       1,
 		})
 
 	// offset pagination
@@ -114,6 +118,10 @@ func TestPublicAPI(t *testing.T) {
 				},
 			},
 			"totalCount": 3,
+			"hasMore":    false,
+			"limit":      1,
+			"offset":     1,
+			"page":       2,
 		})
 
 	// cursor pagination
@@ -207,6 +215,10 @@ func TestPublicAPI(t *testing.T) {
 				},
 			},
 			"totalCount": 3,
+			"hasMore":    false,
+			"limit":      50,
+			"offset":     0,
+			"page":       1,
 		})
 
 	e.GET("/api/p/{project}/{model}/{item}", publicAPIProjectAlias, publicAPIModelKey, publicAPIItem1ID).

server/internal/app/app.go

@@ -93,7 +93,7 @@ func initEcho(ctx context.Context, cfg *ServerConfig) *echo.Echo {
 	), integration.NewStrictHandler(integration.NewServer(), nil))
 
 	serveFiles(e, cfg.Gateways.File)
-	webConfig(e, nil, cfg.Config.Auths())
+	Web(e, cfg.Config.Web, cfg.Config.AuthForWeb(), cfg.Config.Web_Disabled, nil)
 	return e
 }
 

server/internal/app/config.go

@@ -32,6 +32,8 @@ type Config struct {
 	GCS          GCSConfig
 	Task         gcp.TaskConfig
 	AssetBaseURL string
+	Web          WebConfig
+	Web_Disabled bool
 	// auth
 	Auth          AuthConfigs
 	Auth0         Auth0Config
@@ -118,6 +120,29 @@ func (c Config) JWTProviders() (res []appx.JWTProvider) {
 	return c.Auths().JWTProviders()
 }
 
+func (c Config) AuthForWeb() *AuthConfig {
+	if ac := c.Auth0.AuthConfigForWeb(); ac != nil {
+		return ac
+	}
+	if c.Auth_ISS != "" {
+		var aud []string
+		if len(c.Auth_AUD) > 0 {
+			aud = append(aud, c.Auth_AUD)
+		}
+		return &AuthConfig{
+			ISS:      c.Auth_ISS,
+			AUD:      aud,
+			ALG:      c.Auth_ALG,
+			TTL:      c.Auth_TTL,
+			ClientID: c.Auth_ClientID,
+		}
+	}
+	// if ac := c.AuthSrv.AuthConfig(c.Dev, c.Host); ac != nil {
+	// 	return ac
+	// }
+	return nil
+}
+
 func (c Auth0Config) AuthConfig() *AuthConfig {
 	domain := c.Domain
 	if c.Domain == "" {
@@ -139,6 +164,22 @@ func (c Auth0Config) AuthConfig() *AuthConfig {
 	}
 }
 
+func (c Auth0Config) AuthConfigForWeb() *AuthConfig {
+	if c.Domain == "" || c.WebClientID == "" {
+		return nil
+	}
+	domain := prepareUrl(c.Domain)
+	var aud []string
+	if len(c.Audience) > 0 {
+		aud = []string{c.Audience}
+	}
+	return &AuthConfig{
+		ISS:      domain,
+		AUD:      aud,
+		ClientID: &c.WebClientID,
+	}
+}
+
 func (a AuthConfig) JWTProvider() appx.JWTProvider {
 	return appx.JWTProvider{
 		ISS: a.ISS,
@@ -214,3 +255,11 @@ func (c Config) Print() string {
 	}
 	return s
 }
+
+func prepareUrl(url string) string {
+	if !strings.HasPrefix(url, "https://") && !strings.HasPrefix(url, "http://") {
+		url = "https://" + url
+	}
+	url = strings.TrimSuffix(url, "/")
+	return url
+}

server/internal/app/web.go

@@ -0,0 +1,56 @@
+package app
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+	"github.com/spf13/afero"
+)
+
+type WebConfig map[string]string
+
+func Web(e *echo.Echo, wc WebConfig, ac *AuthConfig, disabled bool, fs afero.Fs) {
+	if disabled {
+		return
+	}
+
+	if fs == nil {
+		fs = afero.NewOsFs()
+	}
+	if _, err := fs.Stat("web"); err != nil {
+		return // web won't be delivered
+	}
+
+	e.Logger.Info("web: web directory will be delivered\n")
+
+	config := map[string]string{}
+	if ac != nil {
+		if ac.ISS != "" {
+			config["auth0Domain"] = strings.TrimSuffix(ac.ISS, "/")
+		}
+		if ac.ClientID != nil {
+			config["auth0ClientId"] = *ac.ClientID
+		}
+		if len(ac.AUD) > 0 {
+			config["auth0Audience"] = ac.AUD[0]
+		}
+	}
+
+	for k, v := range wc {
+		config[k] = v
+	}
+
+	e.GET("/reearth_config.json", func(c echo.Context) error {
+		return c.JSON(http.StatusOK, config)
+	})
+
+	e.Use(middleware.StaticWithConfig(middleware.StaticConfig{
+		Root:       "web",
+		Index:      "index.html",
+		Browse:     false,
+		HTML5:      true,
+		Filesystem: afero.NewHttpFs(fs),
+	}))
+}