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.

crates/email/src/mailbox/mod.rs

@@ -0,0 +1,112 @@
+/*
+ * SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <[email protected]>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
+ */
+
+use types::{acl::AclGrant, special_use::SpecialUse};
+
+pub mod destroy;
+pub mod index;
+pub mod manage;
+
+pub const INBOX_ID: u32 = 0;
+pub const TRASH_ID: u32 = 1;
+pub const JUNK_ID: u32 = 2;
+pub const DRAFTS_ID: u32 = 3;
+pub const SENT_ID: u32 = 4;
+pub const ARCHIVE_ID: u32 = 5;
+
+#[derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize, Debug, Clone, PartialEq, Eq)]
+#[rkyv(derive(Debug))]
+pub struct Mailbox {
+    pub name: String,
+    pub role: SpecialUse,
+    pub parent_id: u32,
+    pub sort_order: Option<u32>,
+    pub uid_validity: u32,
+    pub subscribers: Vec<u32>,
+    pub acls: Vec<AclGrant>,
+}
+
+#[derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize, Debug, Clone, Copy)]
+#[rkyv(derive(Debug, Clone, Copy))]
+pub struct UidMailbox {
+    pub mailbox_id: u32,
+    pub uid: u32,
+}
+
+impl Mailbox {
+    pub fn new(name: impl Into<String>) -> Self {
+        Mailbox {
+            name: name.into(),
+            role: SpecialUse::None,
+            parent_id: 0,
+            sort_order: None,
+            uid_validity: rand::random::<u32>(),
+            subscribers: vec![],
+            acls: vec![],
+        }
+    }
+
+    pub fn with_role(mut self, role: SpecialUse) -> Self {
+        self.role = role;
+        self
+    }
+
+    pub fn with_parent_id(mut self, parent_id: u32) -> Self {
+        self.parent_id = parent_id;
+        self
+    }
+
+    pub fn with_sort_order(mut self, sort_order: u32) -> Self {
+        self.sort_order = Some(sort_order);
+        self
+    }
+
+    pub fn with_subscriber(mut self, subscriber: u32) -> Self {
+        self.subscribers.push(subscriber);
+        self
+    }
+
+    pub fn add_subscriber(&mut self, subscriber: u32) -> bool {
+        if !self.subscribers.contains(&subscriber) {
+            self.subscribers.push(subscriber);
+            true
+        } else {
+            false
+        }
+    }
+
+    pub fn remove_subscriber(&mut self, subscriber: u32) {
+        self.subscribers.retain(|&x| x != subscriber);
+    }
+
+    pub fn is_subscribed(&self, subscriber: u32) -> bool {
+        self.subscribers.contains(&subscriber)
+    }
+}
+
+impl ArchivedMailbox {
+    pub fn is_subscribed(&self, subscriber: u32) -> bool {
+        self.subscribers.iter().any(|x| u32::from(x) == subscriber)
+    }
+}
+
+impl PartialEq for UidMailbox {
+    fn eq(&self, other: &Self) -> bool {
+        self.mailbox_id == other.mailbox_id
+    }
+}
+
+impl Eq for UidMailbox {}
+
+impl UidMailbox {
+    pub fn new(mailbox_id: u32, uid: u32) -> Self {
+        UidMailbox { mailbox_id, uid }
+    }
+
+    pub fn new_unassigned(mailbox_id: u32) -> Self {
+        UidMailbox { mailbox_id, uid: 0 }
+    }
+}