Added headers to config for fixing ase.in.tum

tools/config.go

@@ -168,8 +168,9 @@ type Config struct {
 		Host   string `yaml:"host"`
 		ApiKey string `yaml:"apiKey"`
 	} `yaml:"meili"`
-	VodURLTemplate string `yaml:"vodURLTemplate"`
-	CanonicalURL   string `yaml:"canonicalURL"`
+	VodURLTemplate string   `yaml:"vodURLTemplate"`
+	CanonicalURL   string   `yaml:"canonicalURL"`
+	Headers        []Header `yaml:"headers"`
 }
 
 type MailConfig struct {
@@ -180,6 +181,11 @@ type MailConfig struct {
 	MaxMailsPerMinute int    `yaml:"maxMailsPerMinute"`
 }
 
+type Header struct {
+	Header string `yaml:"header"`
+	Value  string `yaml:"value"`
+}
+
 func (Config) GetJWTKey() *rsa.PrivateKey {
 	return jwtKey
 }

tools/middlewares.go

@@ -29,6 +29,15 @@ type JWTClaims struct {
 	SamlSubjectID *string // identifier of the SAML session (if any)
 }
 
+func AddResponseHeaders() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		for _, h := range Cfg.Headers {
+			c.Header(h.Header, h.Value)
+		}
+		c.Next()
+	}
+}
+
 func InitContext(daoWrapper dao.DaoWrapper) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		// no context initialisation required for static assets.

web/router.go

@@ -151,6 +151,7 @@ func configMainRoute(router *gin.Engine) {
 
 	// watch
 	streamGroup.Use(tools.InitStream(daoWrapper))
+	streamGroup.Use(tools.AddResponseHeaders())
 	streamGroup.GET("/w/:slug/:streamID", routes.WatchPage)
 	streamGroup.GET("/w/:slug/:streamID/:version", routes.WatchPage)
 	streamGroup.GET("/w/:slug/:streamID/chat/popup", routes.PopOutChat)