[PATCH proxmox v3 7/8] wireguard: implement api for PublicKey

[Christoph Heiss <c.heiss@proxmox.com>]

From: Stefan Hanreich <s.hanreich@proxmox.com>

.. such that it can be used in API definitions.

Authored-by: Stefan Hanreich <s.hanreich@proxmox.com>
Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
Changes v2 -> v3:
  * update d/control

Changes v1 -> v2:
  * improve schema description

 proxmox-wireguard/Cargo.toml     |  3 +++
 proxmox-wireguard/debian/control | 19 +++++++++++++++++++
 proxmox-wireguard/src/lib.rs     | 17 +++++++++++++++++
 3 files changed, 39 insertions(+)

diff --git a/proxmox-wireguard/Cargo.toml b/proxmox-wireguard/Cargo.toml
index f11346d6..b1abae3d 100644
--- a/proxmox-wireguard/Cargo.toml
+++ b/proxmox-wireguard/Cargo.toml
@@ -13,14 +13,17 @@ rust-version.workspace = true
 ed25519-dalek = "2.1"
 serde = { workspace = true, features = [ "derive" ] }
 thiserror.workspace = true
+proxmox-schema = { workspace = true, optional = true, features = ["api-types"] }
 proxmox-ini.workspace = true
 proxmox-network-types.workspace = true
 proxmox-sys = { workspace = true, optional = true }
 proxmox-serde.workspace = true
+regex = { workspace = true, optional = true }
 
 [dev-dependencies]
 pretty_assertions.workspace = true
 
 [features]
 default = ["key-generation"]
+api-types = ["dep:proxmox-schema", "dep:regex"]
 key-generation = ["dep:proxmox-sys"]
diff --git a/proxmox-wireguard/debian/control b/proxmox-wireguard/debian/control
index 1e3392ef..6b5552ff 100644
--- a/proxmox-wireguard/debian/control
+++ b/proxmox-wireguard/debian/control
@@ -37,6 +37,8 @@ Depends:
  librust-thiserror-2+default-dev
 Recommends:
  librust-proxmox-wireguard+key-generation-dev (= ${binary:Version})
+Suggests:
+ librust-proxmox-wireguard+api-types-dev (= ${binary:Version})
 Provides:
  librust-proxmox-wireguard-0-dev (= ${binary:Version}),
  librust-proxmox-wireguard-0.1-dev (= ${binary:Version}),
@@ -44,6 +46,23 @@ Provides:
 Description: WireGuard configuration support - Rust source code
  Source code for Debianized Rust crate "proxmox-wireguard"
 
+Package: librust-proxmox-wireguard+api-types-dev
+Architecture: any
+Multi-Arch: same
+Depends:
+ ${misc:Depends},
+ librust-proxmox-wireguard-dev (= ${binary:Version}),
+ librust-proxmox-schema-5+api-types-dev (>= 5.1.0-~~),
+ librust-proxmox-schema-5+default-dev (>= 5.1.0-~~),
+ librust-regex-1+default-dev (>= 1.5-~~)
+Provides:
+ librust-proxmox-wireguard-0+api-types-dev (= ${binary:Version}),
+ librust-proxmox-wireguard-0.1+api-types-dev (= ${binary:Version}),
+ librust-proxmox-wireguard-0.1.0+api-types-dev (= ${binary:Version})
+Description: WireGuard configuration support - feature "api-types"
+ This metapackage enables feature "api-types" for the Rust proxmox-wireguard
+ crate, by pulling in any additional dependencies needed by that feature.
+
 Package: librust-proxmox-wireguard+key-generation-dev
 Architecture: any
 Multi-Arch: same
diff --git a/proxmox-wireguard/src/lib.rs b/proxmox-wireguard/src/lib.rs
index 1712b834..646ed750 100644
--- a/proxmox-wireguard/src/lib.rs
+++ b/proxmox-wireguard/src/lib.rs
@@ -17,6 +17,10 @@ use serde::{Deserialize, Serialize};
 use std::fmt;
 
 use proxmox_network_types::{endpoint::ServiceEndpoint, ip_address::Cidr};
+#[cfg(feature = "api-types")]
+use proxmox_schema::{
+    api_types::ED25519_BASE64_KEY_REGEX, ApiStringFormat, ApiType, StringSchema, UpdaterType,
+};
 
 /// Possible error when handling WireGuard configurations.
 #[derive(thiserror::Error, Debug, PartialEq, Clone)]
@@ -42,6 +46,19 @@ pub struct PublicKey(
     #[serde(with = "proxmox_serde::byte_array_as_base64")] [u8; ed25519_dalek::PUBLIC_KEY_LENGTH],
 );
 
+#[cfg(feature = "api-types")]
+impl ApiType for PublicKey {
+    const API_SCHEMA: proxmox_schema::Schema =
+        StringSchema::new("ED25519 public key (base64 encoded)")
+            .format(&ApiStringFormat::Pattern(&ED25519_BASE64_KEY_REGEX))
+            .schema();
+}
+
+#[cfg(feature = "api-types")]
+impl UpdaterType for PublicKey {
+    type Updater = Option<PublicKey>;
+}
+
 /// Private key of a WireGuard peer.
 #[derive(Serialize)]
 #[serde(transparent)]
-- 
2.53.0