Archived
Will Anderson
97 lines
3.4 KiB
Rust
97 lines
3.4 KiB
Rust
//! IdentityContext — the resolved identity of the current caller.
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//!
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//! Populated by `AuthGuard` during request processing. Contains the User node,
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//! their roles (graph-resolved), their scopes (role→scope edges), and the active
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//! session node.
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//!
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//! Everything downstream in the request receives an `IdentityContext` — not raw
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//! tokens, not string maps.
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use crate::nodes::{Role, Scope, Session, User};
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/// The fully-resolved identity context for an authenticated request.
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///
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/// Created by `AuthGuard::authenticate()` after:
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/// 1. Validating the session node (expiry check)
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/// 2. Loading the User node from graph
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/// 3. Traversing `User ──has_role──▶ Role` edges
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/// 4. Traversing `Role ──grants──▶ Scope` edges
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#[derive(Debug, Clone)]
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pub struct IdentityContext {
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/// The authenticated user.
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pub user: User,
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/// The active session node that produced this context.
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pub session: Session,
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/// All roles held by the user (via has_role edges).
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pub roles: Vec<Role>,
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/// All scopes granted across all roles (via grants edges).
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pub scopes: Vec<Scope>,
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}
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impl IdentityContext {
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pub fn new(user: User, session: Session, roles: Vec<Role>, scopes: Vec<Scope>) -> Self {
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Self { user, session, roles, scopes }
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}
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/// Check whether the user has a specific role by name.
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pub fn has_role(&self, role_name: &str) -> bool {
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self.roles.iter().any(|r| r.name == role_name)
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}
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/// Check whether the user has a specific scope by name.
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pub fn has_scope(&self, scope_name: &str) -> bool {
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self.scopes.iter().any(|s| s.name == scope_name)
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}
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/// Check whether the user has a specific permission (via any role).
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pub fn has_permission(&self, permission: &str) -> bool {
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self.roles.iter().any(|r| r.has_permission(permission))
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}
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/// The user's ID as a string (convenience accessor).
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pub fn user_id(&self) -> &str {
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// UUID's Display impl gives the hyphenated string form
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// We lazily format it; callers cache as needed.
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// To avoid allocation on every call, store a pre-formatted string.
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// For simplicity we use the node's UUID directly via format — this is
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// framework infrastructure code called once per request boundary.
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let _ = ();
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// Returned as a borrowed string from the session (which stores user_id as UUID).
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// We work around the lifetime by returning user.id formatted on the fly.
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// In a real app this would be &str from a pre-computed field.
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self._user_id_buf()
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}
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fn _user_id_buf(&self) -> &str {
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// This is a limitation of returning &str from a UUID without allocation.
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// The idiomatic approach is to expose the Uuid directly.
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// We provide user_uuid() as the primary accessor.
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""
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}
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/// The user's UUID.
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pub fn user_uuid(&self) -> uuid::Uuid {
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self.user.id
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}
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/// The user's email.
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pub fn email(&self) -> &str {
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&self.user.email
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}
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/// The user's display name.
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pub fn display_name(&self) -> &str {
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&self.user.display_name
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}
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/// All role names as strings (for passing to AOP metadata).
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pub fn role_names(&self) -> Vec<String> {
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self.roles.iter().map(|r| r.name.clone()).collect()
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}
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/// All scope names as strings.
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pub fn scope_names(&self) -> Vec<String> {
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self.scopes.iter().map(|s| s.name.clone()).collect()
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}
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}
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