feat: allow customizability of resources dir

cmd/root.go

@@ -113,6 +113,7 @@ func init() {
 		{"ldap-base-dn", "", "LDAP base DN (e.g. dc=example,dc=com)."},
 		{"ldap-insecure", false, "Skip certificate verification for the LDAP server."},
 		{"ldap-search-filter", "(uid=%s)", "LDAP search filter for user lookup."},
+		{"resources-dir", "/data/resources", "Path to a directory containing custom resources (e.g. background image)."},
 	}
 
 	for _, opt := range configOptions {

internal/bootstrap/app_bootstrap.go

@@ -151,7 +151,9 @@ func (app *BootstrapApp) Setup() error {
 		Domain: domain,
 	}, authService, oauthBrokerService)
 
-	uiMiddleware := middleware.NewUIMiddleware()
+	uiMiddleware := middleware.NewUIMiddleware(middleware.UIMiddlewareConfig{
+		ResourcesDir: app.Config.ResourcesDir,
+	})
 	zerologMiddleware := middleware.NewZerologMiddleware()
 
 	middlewares = append(middlewares, contextMiddleware, uiMiddleware, zerologMiddleware)

internal/config/config.go

@@ -55,6 +55,7 @@ type Config struct {
 	LdapBaseDN              string `mapstructure:"ldap-base-dn"`
 	LdapInsecure            bool   `mapstructure:"ldap-insecure"`
 	LdapSearchFilter        string `mapstructure:"ldap-search-filter"`
+	ResourcesDir            string `mapstructure:"resources-dir"`
 }
 
 type OAuthLabels struct {

internal/middleware/ui_middlware.go

@@ -10,14 +10,21 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+type UIMiddlewareConfig struct {
+	ResourcesDir string
+}
+
 type UIMiddleware struct {
+	Config              UIMiddlewareConfig
 	UIFS                fs.FS
 	UIFileServer        http.Handler
 	ResourcesFileServer http.Handler
 }
 
-func NewUIMiddleware() *UIMiddleware {
-	return &UIMiddleware{}
+func NewUIMiddleware(config UIMiddlewareConfig) *UIMiddleware {
+	return &UIMiddleware{
+		Config: config,
+	}
 }
 
 func (m *UIMiddleware) Init() error {
@@ -29,7 +36,7 @@ func (m *UIMiddleware) Init() error {
 
 	m.UIFS = ui
 	m.UIFileServer = http.FileServer(http.FS(ui))
-	m.ResourcesFileServer = http.FileServer(http.Dir("/data/resources"))
+	m.ResourcesFileServer = http.FileServer(http.Dir(m.Config.ResourcesDir))
 
 	return nil
 }
@@ -45,7 +52,7 @@ func (m *UIMiddleware) Middleware() gin.HandlerFunc {
 			c.Next()
 			return
 		case "resources":
-			_, err := os.Stat("/data/resources/" + strings.TrimPrefix(c.Request.URL.Path, "/resources/"))
+			_, err := os.Stat(m.Config.ResourcesDir + strings.TrimPrefix(c.Request.URL.Path, "/resources/"))
 
 			if os.IsNotExist(err) {
 				c.Status(404)