Custom templates (#594)

* allow custom mail templates (#533)

* allow to override embedded frontend (#533)

internal/config/config.go

@@ -157,6 +157,7 @@ func defaultConfig() *Config {
 		SiteCompanyName:   getEnvStr("WG_PORTAL_WEB_SITE_COMPANY_NAME", "WireGuard Portal"),
 		CertFile:          getEnvStr("WG_PORTAL_WEB_CERT_FILE", ""),
 		KeyFile:           getEnvStr("WG_PORTAL_WEB_KEY_FILE", ""),
+		FrontendFilePath:  getEnvStr("WG_PORTAL_WEB_FRONTEND_FILEPATH", ""),
 	}
 
 	cfg.Advanced.LogLevel = getEnvStr("WG_PORTAL_ADVANCED_LOG_LEVEL", "info")
@@ -195,6 +196,7 @@ func defaultConfig() *Config {
 		From:           getEnvStr("WG_PORTAL_MAIL_FROM", "Wireguard Portal <noreply@wireguard.local>"),
 		LinkOnly:       getEnvBool("WG_PORTAL_MAIL_LINK_ONLY", false),
 		AllowPeerEmail: getEnvBool("WG_PORTAL_MAIL_ALLOW_PEER_EMAIL", false),
+		TemplatesPath:  getEnvStr("WG_PORTAL_MAIL_TEMPLATES_PATH", ""),
 	}
 
 	cfg.Webhook.Url = getEnvStr("WG_PORTAL_WEBHOOK_URL", "") // no webhook by default

internal/config/mail.go

@@ -43,4 +43,8 @@ type MailConfig struct {
 	LinkOnly bool `yaml:"link_only"`
 	// AllowPeerEmail specifies whether emails should be sent to peers which have no valid user account linked, but an email address is set as "user".
 	AllowPeerEmail bool `yaml:"allow_peer_email"`
+	// TemplatesPath is an optional base path on the filesystem that contains email templates (.gotpl and .gohtml).
+	// If the directory exists but is empty, the embedded default templates will be written there on startup.
+	// If templates are present in the directory, they override the embedded defaults.
+	TemplatesPath string `yaml:"templates_path"`
 }

internal/config/web.go

@@ -27,6 +27,10 @@ type WebConfig struct {
 	CertFile string `yaml:"cert_file"`
 	// KeyFile is the path to the TLS certificate key file.
 	KeyFile string `yaml:"key_file"`
+	// FrontendFilePath is an optional path to a folder that contains the frontend files.
+	// If set and the folder contains at least one file, it overrides the embedded frontend.
+	// If set and the folder is empty or does not exist, the embedded frontend will be written into it on startup.
+	FrontendFilePath string `yaml:"frontend_filepath"`
 }
 
 func (c *WebConfig) Sanitize() {