Generate encryption keys in configured directory

This makes --gen-keys respect the keys_parent_dir config value

app.go

@@ -256,6 +256,21 @@ func Serve() {
 	} else if *genKeys {
 		errStatus := 0
 
+		// Read keys path from config
+		loadConfig(app)
+
+		// Create keys dir if it doesn't exist yet
+		fullKeysDir := filepath.Join(app.cfg.Server.KeysParentDir, keysDir)
+		if _, err := os.Stat(fullKeysDir); os.IsNotExist(err) {
+			err = os.Mkdir(fullKeysDir, 0700)
+			if err != nil {
+				log.Error("%s", err)
+				os.Exit(1)
+			}
+		}
+
+		// Generate keys
+		initKeyPaths(app)
 		err := generateKey(emailKeyPath)
 		if err != nil {
 			errStatus = 1
@@ -345,6 +360,7 @@ func Serve() {
 
 	// Load keys
 	log.Info("Loading encryption keys...")
+	initKeyPaths(app)
 	err = initKeys(app)
 	if err != nil {
 		log.Error("\n%s\n", err)

keys.go

@@ -34,11 +34,16 @@ type keychain struct {
 	emailKey, cookieAuthKey, cookieKey []byte
 }
 
+func initKeyPaths(app *app) {
+	emailKeyPath = filepath.Join(app.cfg.Server.KeysParentDir, emailKeyPath)
+	cookieAuthKeyPath = filepath.Join(app.cfg.Server.KeysParentDir, cookieAuthKeyPath)
+	cookieKeyPath = filepath.Join(app.cfg.Server.KeysParentDir, cookieKeyPath)
+}
+
 func initKeys(app *app) error {
 	var err error
 	app.keys = &keychain{}
 
-	emailKeyPath = filepath.Join(app.cfg.Server.KeysParentDir, emailKeyPath)
 	if debugging {
 		log.Info("  %s", emailKeyPath)
 	}
@@ -47,7 +52,6 @@ func initKeys(app *app) error {
 		return err
 	}
 
-	cookieAuthKeyPath = filepath.Join(app.cfg.Server.KeysParentDir, cookieAuthKeyPath)
 	if debugging {
 		log.Info("  %s", cookieAuthKeyPath)
 	}
@@ -56,7 +60,6 @@ func initKeys(app *app) error {
 		return err
 	}
 
-	cookieKeyPath = filepath.Join(app.cfg.Server.KeysParentDir, cookieKeyPath)
 	if debugging {
 		log.Info("  %s", cookieKeyPath)
 	}