fix wopi integration and wopi deployment

extensions/frontend/pkg/config/config.go

@@ -34,6 +34,7 @@ type Config struct {
 
 	PublicURL string `yaml:"public_url" env:"OCIS_URL;FRONTEND_PUBLIC_URL"`
 
+	AppHandler  AppHandler  `yaml:"app_handler"`
 	Archiver    Archiver    `yaml:"archiver"`
 	DataGateway DataGateway `yaml:"data_gateway"`
 	OCS         OCS         `yaml:"ocs"`
@@ -86,6 +87,11 @@ type Auth struct {
 	CredentialsByUserAgent map[string]string `yaml:"credentials_by_user_agent"`
 }
 
+type AppHandler struct {
+	Prefix   string `yaml:"-"`
+	Insecure bool   `yaml:"insecure" env:"OCIS_INSECURE;FRONTEND_APP_HANDLER_INSECURE"`
+}
+
 type Archiver struct {
 	MaxNumFiles int64  `yaml:"max_num_files" env:"FRONTEND_ARCHIVER_MAX_NUM_FILES"`
 	MaxSize     int64  `yaml:"max_size" env:"FRONTEND_ARCHIVER_MAX_SIZE"`

extensions/frontend/pkg/config/defaults/defaultconfig.go

@@ -42,6 +42,9 @@ func DefaultConfig() *config.Config {
 			SupportedTypes:      []string{"sha1", "md5", "adler32"},
 			PreferredUploadType: "",
 		},
+		AppHandler: config.AppHandler{
+			Prefix: "app",
+		},
 		Archiver: config.Archiver{
 			Insecure:    false,
 			Prefix:      "archiver",