Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f Enterprise-only files removed or emptied: 63 Enterprise-only snippets removed: 117 in 50 files Dangling module declarations removed: 5 Cargo edits turning enterprise off: 14 Verification: clean Enterprise feature gates left for rebuilt features: 19 in 18 files Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.
2026-09-18 10:21:56 -07:00
commit 7dae9b29fd
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+/*
+ * SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <[email protected]>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
+ */
+
+#![warn(clippy::large_futures)]
+
+use std::{net::IpAddr, sync::Arc};
+
+use common::{
+    Inner, Server,
+    auth::AccessToken,
+    network::{ServerInstance, SessionStream, limiter::InFlight},
+};
+use mailbox::Mailbox;
+use protocol::request::Parser;
+
+pub mod client;
+pub mod mailbox;
+pub mod op;
+pub mod protocol;
+pub mod session;
+
+static SERVER_GREETING: &str = "+OK Stalwart POP3 at your service.\r\n";
+
+#[derive(Clone)]
+pub struct Pop3SessionManager {
+    pub inner: Arc<Inner>,
+}
+
+impl Pop3SessionManager {
+    pub fn new(inner: Arc<Inner>) -> Self {
+        Self { inner }
+    }
+}
+
+pub struct Session<T: SessionStream> {
+    pub server: Server,
+    pub instance: Arc<ServerInstance>,
+    pub receiver: Parser,
+    pub state: State,
+    pub stream: T,
+    pub in_flight: InFlight,
+    pub remote_addr: IpAddr,
+    pub session_id: u64,
+}
+
+pub enum State {
+    NotAuthenticated {
+        auth_failures: u32,
+        username: Option<String>,
+    },
+    Authenticated {
+        mailbox: Mailbox,
+        in_flight: Option<InFlight>,
+        access_token: AccessToken,
+    },
+}
+
+impl State {
+    pub fn mailbox(&self) -> &Mailbox {
+        match self {
+            State::Authenticated { mailbox, .. } => mailbox,
+            _ => unreachable!(),
+        }
+    }
+
+    pub fn mailbox_mut(&mut self) -> &mut Mailbox {
+        match self {
+            State::Authenticated { mailbox, .. } => mailbox,
+            _ => unreachable!(),
+        }
+    }
+
+    pub fn access_token(&self) -> &AccessToken {
+        match self {
+            State::Authenticated { access_token, .. } => access_token,
+            _ => unreachable!(),
+        }
+    }
+}