feat: implement authentication module with JWT support and user management

apps/api/src/configs/auth.rs

@@ -0,0 +1,51 @@
+use config::{Config, ConfigError};
+use tracing::warn;
+
+use crate::configs::key::{
+    AUTH_DEFAULT_ADMIN_PASSWORD_KEY, AUTH_DEFAULT_ADMIN_USERNAME_KEY, AUTH_JWT_SECRET_KEY,
+};
+
+use super::FromConfig;
+
+#[derive(Debug, Clone)]
+pub struct AuthSettings {
+    pub jwt_secret: Option<String>,
+    pub default_admin_username: Option<String>,
+    pub default_admin_password: Option<String>,
+}
+
+impl FromConfig for AuthSettings {
+    fn from_config(_config: &Config) -> Result<Self, String> {
+        Ok(AuthSettings {
+            jwt_secret: _config
+                .get_string(AUTH_JWT_SECRET_KEY)
+                .inspect_err(|err| {
+                    match err {
+                        ConfigError::NotFound(_) => {
+                            warn!(
+                                "{} not found in configuration, A random secret will be generated at runtime.",
+                                AUTH_JWT_SECRET_KEY
+                            );
+                        }
+                        _ => {
+                            warn!(
+                                "Failed to read {} from configuration, A random secret will be generated at runtime: {}",
+                                AUTH_JWT_SECRET_KEY, err
+                            );
+                        }
+                    };
+                })
+                .ok(),
+            default_admin_username: _config
+                .get_string(AUTH_DEFAULT_ADMIN_USERNAME_KEY)
+                .ok(),
+            default_admin_password: _config
+                .get_string(AUTH_DEFAULT_ADMIN_PASSWORD_KEY)
+                .ok(),
+        })
+    }
+
+    fn validate(&self) -> Result<(), String> {
+        Ok(())
+    }
+}