Use a config option to enable subscription features

Taskfile.yml

@@ -4,7 +4,7 @@
 version: '3'
 
 vars:
-  VERSION: 0.9.2
+  VERSION: 0.10.0
   REVISION: { sh: git rev-parse HEAD }
   WORKDIR: { sh: pwd }
 

cmd/standardfile/main.go

@@ -81,7 +81,7 @@ func kdf(l int, k []byte) []byte {
 	return payload
 }
 
-/// keyFromConfig reads a key from the configuration, and if it's not present, tries to read it from a file instead
+// keyFromConfig reads a key from the configuration, and if it's not present, tries to read it from a file instead
 func keyFromConfig(konf *koanf.Koanf, path string) (out []byte, err error) {
 	// check if the key is directly placed in the config file
 	out = konf.Bytes(path)
@@ -171,6 +171,7 @@ var (
 				Database:                   db,
 				NoRegistration:             konf.Bool("no_registration"),
 				ShowRealVersion:            konf.Bool("show_real_version"),
+				EnableSubscription:         konf.Bool("enable_subscription"),
 				SigningKey:                 configSecretKey,
 				SessionSecret:              kdf(32, configSessionSecret),
 				AccessTokenExpirationTime:  konf.MustDuration("session.access_token_ttl"),

internal/server/server.go

@@ -16,10 +16,11 @@ import (
 
 // A Controller is an Iversion Of Control pattern used to init the server package.
 type Controller struct {
-	Version         string
-	Database        database.Client
-	NoRegistration  bool
-	ShowRealVersion bool
+	Version            string
+	Database           database.Client
+	NoRegistration     bool
+	ShowRealVersion    bool
+	EnableSubscription bool
 	// JWT params
 	SigningKey []byte
 	// Session params
@@ -146,12 +147,14 @@ func EchoEngine(ctrl Controller) *echo.Echo {
 	//
 	// subscription handlers
 	//
-	subscription := &subscription{}
-	router.GET("/v2/subscriptions", func(c echo.Context) error {
-		return c.HTML(http.StatusInternalServerError, "getaddrinfo EAI_AGAIN payments")
-	})
-	v1restricted.GET("/users/:id/subscription", subscription.SubscriptionV1)
-	v1restricted.GET("/users/:id/features", subscription.Features)
+	if ctrl.EnableSubscription {
+		subscription := &subscription{}
+		router.GET("/v2/subscriptions", func(c echo.Context) error {
+			return c.HTML(http.StatusInternalServerError, "getaddrinfo EAI_AGAIN payments")
+		})
+		v1restricted.GET("/users/:id/subscription", subscription.SubscriptionV1)
+		v1restricted.GET("/users/:id/features", subscription.Features)
+	}
 
 	return engine
 }

internal/server/subscription.go → internal/server/subscription_handler.go

@@ -12,7 +12,7 @@ type subscription struct{}
 func (h *subscription) SubscriptionV1(c echo.Context) error {
 	user := currentUser(c)
 
-	// The official standard notes client has a race condition,
+	// The official Standard Notes client has a race condition,
 	// the features endpoint will only be called when delaying response...
 	time.Sleep(1 * time.Second)
 

standardfile.yml

@@ -22,3 +22,15 @@ session:
   secret: paseto-development
   access_token_ttl: 1440h # 60 days expressed in Golang's time.Duration format
   refresh_token_ttl: 8760h # 1 year
+# This option enables paid features in the official StandardNotes client.
+# If you want to enables these features, you should consider to
+# donate to the StandardNotes project as they say:
+#
+# Building Standard Notes has high costs. If everyone evaded contributing financially,
+# we would no longer be here to continue to build upon and improve these services for you.
+# Please consider [donating](https://standardnotes.com/donate) if you do not plan on purchasing a subscription.
+# https://docs.standardnotes.com/self-hosting/subscriptions/
+#
+# This project https://github.com/mdouchement/standardfile does not intend to
+# conflict with the business model of StandardNotes project or seek compensation.
+enable_subscription: true