better http client logging

Author: lovasoa

src/app_config.rs

@@ -329,7 +329,8 @@ fn default_compress_responses() -> bool {
 }
 
 fn default_system_root_ca_certificates() -> bool {
-    std::env::var("SSL_CERT_FILE").is_ok() || std::env::var("SSL_CERT_DIR").is_ok()
+    std::env::var("SSL_CERT_FILE").is_ok_and(|x| !x.is_empty())
+        || std::env::var("SSL_CERT_DIR").is_ok_and(|x| !x.is_empty())
 }
 
 #[derive(Debug, Deserialize, Serialize, PartialEq, Clone, Copy, Eq, Default)]

src/webserver/database/sqlpage_functions/functions.rs

@@ -210,6 +210,10 @@ fn make_http_client(config: &crate::app_config::AppConfig) -> anyhow::Result<awc
             .as_ref()
             .map_err(|e| anyhow!("Unable to load native certificates, make sure the system root CA certificates are available: {e}"))?;
 
+        log::trace!("Creating HTTP client with custom TLS connector using native certificates. SSL_CERT_FILE={:?}, SSL_CERT_DIR={:?}",
+            std::env::var("SSL_CERT_FILE").unwrap_or_default(),
+            std::env::var("SSL_CERT_DIR").unwrap_or_default());
+
         let tls_conf = rustls::ClientConfig::builder()
             .with_root_certificates(roots.clone())
             .with_no_client_auth();