1 files changed, 23 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
index c6e22ab..d74a148 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,6 +17,17 @@ struct Opt {
     config: PathBuf,
 }
 
+#[derive(Debug, thiserror::Error)]
+enum EwwwError {
+    #[error("TLS certificate {0} does not exist")]
+    TlsCertNotFound(PathBuf),
+
+    #[error("TLS key {0} does not exist")]
+    TlsKeyNotFound(PathBuf),
+}
+
+
+
 #[tokio::main]
 async fn main() {
     let opt = Opt::from_args();
@@ -37,5 +48,17 @@ async fn main() {
 fn read_config(filename: &Path) -> anyhow::Result<Config> {
     let config = std::fs::read_to_string(filename)?;
     let config: Config = serde_yaml::from_str(&config)?;
+    check_config(&config)?;
     Ok(config)
 }
+
+fn check_config(config: &Config) -> anyhow::Result<()> {
+    if !config.tls_cert.exists() {
+        return Err(EwwwError::TlsCertNotFound(config.tls_cert.clone()).into());
+    }
+    if !config.tls_key.exists() {
+        return Err(EwwwError::TlsKeyNotFound(config.tls_key.clone()).into());
+
+    }
+    Ok(())
+}