big features

src/config.rs

@@ -10,6 +10,8 @@ pub struct Config {
     pub files_dir: String,
     pub upload_max_size_bytes: usize,
     pub asset_version: String,
+    pub smtp: Option<crate::state::SmtpConfig>,
+    pub registration_enabled: bool,
 }
 
 impl Config {
@@ -26,6 +28,18 @@ impl Config {
             return Err("UPLOAD_MAX_SIZE_MB must be greater than 0".into());
         }
 
+        let smtp_host = std::env::var("SMTP_HOST").ok().filter(|v| !v.trim().is_empty());
+        let smtp = if let Some(host) = smtp_host {
+            Some(crate::state::SmtpConfig {
+                host,
+                port: env_var("SMTP_PORT", "587").parse()?,
+                username: std::env::var("SMTP_USERNAME").unwrap_or_default(),
+                password: std::env::var("SMTP_PASSWORD").unwrap_or_default(),
+                from: std::env::var("SMTP_FROM").map_err(|_| "SMTP_FROM is required when SMTP_HOST is set")?,
+                public_url: std::env::var("PUBLIC_URL").map_err(|_| "PUBLIC_URL is required when SMTP_HOST is set")?,
+            })
+        } else { None };
+
         Ok(Self {
             host,
             port,
@@ -39,7 +53,9 @@ impl Config {
             upload_max_size_bytes: upload_max_size_mb
                 .checked_mul(1024 * 1024)
                 .ok_or("UPLOAD_MAX_SIZE_MB is too large")?,
-            asset_version: env!("CARGO_PKG_VERSION").to_owned(),
+            asset_version: env_var("ASSET_VERSION", env!("CARGO_PKG_VERSION")),
+            smtp,
+            registration_enabled: env_bool("REGISTRATION_ENABLED", false)?,
         })
     }
 }
@@ -47,3 +63,14 @@ impl Config {
 fn env_var(name: &str, default: &str) -> String {
     env::var(name).unwrap_or_else(|_| default.to_owned())
 }
+
+fn env_bool(name: &str, default: bool) -> Result<bool, Box<dyn std::error::Error>> {
+    match env::var(name) {
+        Ok(value) => match value.trim().to_ascii_lowercase().as_str() {
+            "1" | "true" | "yes" | "on" => Ok(true),
+            "0" | "false" | "no" | "off" => Ok(false),
+            _ => Err(format!("{name} must be true or false").into()),
+        },
+        Err(_) => Ok(default),
+    }
+}