alibi-core 0.10.0

Shared authentication contracts and backend-independent services for Alibi
Documentation 
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//! Session authentication consumes logical credential input, not an invented HTTP request.

use crate::AuthContext;
use crate::types::RequestExtensions;
use crate::utils::json::JsValue;
use crate::{AuthRequest, AuthSchema, HttpMethod, SessionView, UserView};
use std::collections::HashMap;

/// Input and trusted state used by the shared physical/cache session readers.
/// Implementations must never populate authenticated state from client data.
pub trait SessionRequest: Send + Sync {
    /// Retain a genuine logical endpoint call when this input has one.
    fn endpoint_call(&self) -> Option<&crate::endpoint::EndpointCall> {
        None
    }
    /// The original physical request, when the caller supplied one.
    fn physical_request(&self) -> Option<&AuthRequest> {
        None
    }
    fn session_headers(&self) -> &HashMap<String, String>;
    fn session_method(&self) -> &HttpMethod;
    fn session_query_truthy(&self, name: &str) -> bool;
    fn extensions(&self) -> &RequestExtensions;
    fn virtual_session<S: AuthSchema>(&self, context: &AuthContext<S>) -> Option<SessionView>;
    fn authenticated_user<S: AuthSchema>(&self, _context: &AuthContext<S>) -> Option<S::User> {
        None
    }
    fn take_response_headers(&self) -> crate::Headers;
    fn queue_response_header(&self, name: impl Into<String>, value: impl Into<String>);
    fn set_session_hook_snapshot(&self, user: UserView, session: SessionView);
}

impl SessionRequest for AuthRequest {
    fn physical_request(&self) -> Option<&AuthRequest> {
        Some(self)
    }
    fn session_headers(&self) -> &HashMap<String, String> {
        &self.headers
    }
    fn session_method(&self) -> &HttpMethod {
        self.method()
    }
    fn session_query_truthy(&self, name: &str) -> bool {
        self.query.get(name).is_some_and(|value| !value.is_empty())
    }
    fn extensions(&self) -> &RequestExtensions {
        self.extensions()
    }
    fn virtual_session<S: AuthSchema>(&self, _context: &AuthContext<S>) -> Option<SessionView> {
        self.virtual_session().cloned()
    }
    fn take_response_headers(&self) -> crate::Headers {
        self.take_response_headers()
    }
    fn queue_response_header(&self, name: impl Into<String>, value: impl Into<String>) {
        self.queue_response_header(name, value);
    }
    fn set_session_hook_snapshot(&self, user: UserView, session: SessionView) {
        self.set_session_hook_snapshot(user, session);
    }
}

impl SessionRequest for crate::endpoint::EndpointCall {
    fn physical_request(&self) -> Option<&AuthRequest> {
        self.request()
    }
    fn endpoint_call(&self) -> Option<&crate::endpoint::EndpointCall> {
        Some(self)
    }
    fn session_headers(&self) -> &HashMap<String, String> {
        static EMPTY: std::sync::LazyLock<HashMap<String, String>> =
            std::sync::LazyLock::new(HashMap::new);
        self.headers().unwrap_or(&EMPTY)
    }
    fn session_method(&self) -> &HttpMethod {
        self.method().unwrap_or_else(|| self.default_method())
    }
    fn session_query_truthy(&self, name: &str) -> bool {
        self.query()
            .and_then(|query| query.get(name))
            .is_some_and(|value| match value {
                JsValue::Null => false,
                JsValue::Bool(value) => *value,
                JsValue::Number(value) => *value != 0.0 && !value.is_nan(),
                JsValue::String(value) => !value.is_empty(),
                JsValue::Date(_) | JsValue::Array(_) | JsValue::Object(_) => true,
            })
    }
    fn extensions(&self) -> &RequestExtensions {
        self.extensions()
    }
    fn virtual_session<S: AuthSchema>(&self, context: &AuthContext<S>) -> Option<SessionView> {
        self.authenticated_user(context)
            .and_then(|_| self.virtual_session())
    }
    fn authenticated_user<S: AuthSchema>(&self, context: &AuthContext<S>) -> Option<S::User> {
        self.authenticated_user::<S>(context)
    }
    fn take_response_headers(&self) -> crate::Headers {
        self.take_response_headers()
    }
    fn queue_response_header(&self, name: impl Into<String>, value: impl Into<String>) {
        self.queue_response_header(name, value);
    }
    fn set_session_hook_snapshot(&self, user: UserView, session: SessionView) {
        self.set_session_hook_snapshot(user, session);
    }
}