Add IP location service

src/data/app_config.rs

@@ -27,9 +27,35 @@ pub struct AppConfig {
     /// Proxy IP, might end with a star "*"
     #[clap(short, long, env)]
     pub proxy_ip: Option<String>,
+
+    /// IP location service API
+    ///
+    /// Up instance of IP location service : https://gitlab.com/pierre42100/iplocationserver
+    ///
+    /// Example: "https://api.geoip.rs"
+    #[arg(long, short, env)]
+    pub ip_location_service: Option<String>,
+}
+
+lazy_static::lazy_static! {
+    static ref ARGS: AppConfig = {
+        let mut config = AppConfig::parse();
+
+        // In debug mode only, use dummy token
+        if cfg!(debug_assertions) && config.token_key.is_empty() {
+            config.token_key = String::from_utf8_lossy(&[32; 64]).to_string();
+        }
+
+        config
+    };
 }
 
 impl AppConfig {
+    /// Get parsed command line arguments
+    pub fn get() -> &'static AppConfig {
+        &ARGS
+    }
+
     pub fn secure_cookie(&self) -> bool {
         self.website_origin.starts_with("https:")
     }
@@ -58,3 +84,14 @@ impl AppConfig {
         self.website_origin.split('/').nth(2).unwrap_or(APP_NAME)
     }
 }
+
+#[cfg(test)]
+mod test {
+    use crate::data::app_config::AppConfig;
+
+    #[test]
+    fn verify_cli() {
+        use clap::CommandFactory;
+        AppConfig::command().debug_assert()
+    }
+}