add iam system

add iam store

feat: add crypto crate

introduce decrypt_data and encrypt_data functions

Signed-off-by: bestgopher <84328409@qq.com>

iam/src/policy/effect.rs

@@ -0,0 +1,32 @@
+use std::default;
+
+use serde::{Deserialize, Serialize};
+use strum::{EnumString, IntoStaticStr};
+
+use super::{Error, Validator};
+
+#[derive(Serialize, Clone, Deserialize, EnumString, IntoStaticStr, Default)]
+#[serde(try_from = "&str", into = "&str")]
+pub enum Effect {
+    #[default]
+    #[strum(serialize = "Allow")]
+    Allow,
+    #[strum(serialize = "Deny")]
+    Deny,
+}
+
+impl Effect {
+    pub fn is_allowed(&self, allowed: bool) -> bool {
+        if matches!(self, Self::Allow) {
+            return allowed;
+        }
+
+        !allowed
+    }
+}
+
+impl Validator for Effect {
+    fn is_valid(&self) -> Result<(), Error> {
+        Ok(())
+    }
+}