feat(oauth2): get access token route and read basic user info

src/models/token_claims.rs

@@ -0,0 +1,49 @@
+use fully_pub::fully_pub;
+use jsonwebtoken::get_current_timestamp;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[fully_pub]
+struct UserTokenClaims {
+    /// subject: user id
+    sub: String,
+    /// token expiration
+    exp: u64,
+    /// token issuer
+    iss: String
+    // TODO: add roles
+}
+
+impl UserTokenClaims {
+    pub fn from_user_id(user_id: &str) -> Self {
+        UserTokenClaims {
+            sub: user_id.into(),
+            exp: get_current_timestamp() + 86_000,
+            iss: "Minauth".into()
+        }
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[fully_pub]
+struct AppUserTokenClaims {
+    /// combined subject
+    client_id: String,
+    user_id: String,
+    /// token expiration
+    exp: u64,
+    /// token issuer
+    iss: String
+}
+
+impl AppUserTokenClaims {
+    pub fn from_client_user_id(client_id: &str, user_id: &str) -> Self {
+        AppUserTokenClaims {
+            client_id: client_id.into(),
+            user_id: user_id.into(),
+            exp: get_current_timestamp() + 86_000,
+            iss: "Minauth".into()
+        }
+    }
+}
+