api: add endpoints for smtp targets

These endpoints require Sys.Audit/Sys.Modify permissions on
/system/notifications.

Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
Tested-by: Gabriel Goller <g.goller@proxmox.com>
Reviewed-by: Gabriel Goller <g.goller@proxmox.com>
Tested-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

src/api2/config/notifications/mod.rs

@@ -4,6 +4,7 @@ use proxmox_sortable_macro::sortable;
 
 mod matchers;
 mod sendmail;
+mod smtp;
 mod targets;
 
 #[sortable]
@@ -18,7 +19,8 @@ pub const ROUTER: Router = Router::new()
     .subdirs(SUBDIRS);
 
 #[sortable]
-const ENDPOINT_SUBDIRS: SubdirMap = &sorted!([("sendmail", &sendmail::ROUTER),]);
+const ENDPOINT_SUBDIRS: SubdirMap =
+    &sorted!([("sendmail", &sendmail::ROUTER), ("smtp", &smtp::ROUTER),]);
 
 const ENDPOINT_ROUTER: Router = Router::new()
     .get(&list_subdirs_api_method!(ENDPOINT_SUBDIRS))

src/api2/config/notifications/smtp.rs

@@ -0,0 +1,191 @@
+use anyhow::Error;
+use serde_json::Value;
+
+use proxmox_notify::endpoints::smtp::{
+    DeleteableSmtpProperty, SmtpConfig, SmtpConfigUpdater, SmtpPrivateConfig,
+    SmtpPrivateConfigUpdater,
+};
+use proxmox_notify::schema::ENTITY_NAME_SCHEMA;
+use proxmox_router::{Permission, Router, RpcEnvironment};
+use proxmox_schema::api;
+
+use pbs_api_types::{PRIV_SYS_AUDIT, PRIV_SYS_MODIFY, PROXMOX_CONFIG_DIGEST_SCHEMA};
+
+#[api(
+    protected: true,
+    input: {
+        properties: {},
+    },
+    returns: {
+        description: "List of smtp endpoints.",
+        type: Array,
+        items: { type: SmtpConfig },
+    },
+    access: {
+        permission: &Permission::Privilege(&["system", "notifications"], PRIV_SYS_AUDIT, false),
+    },
+)]
+/// List all smtp endpoints.
+pub fn list_endpoints(
+    _param: Value,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<Vec<SmtpConfig>, Error> {
+    let config = pbs_config::notifications::config()?;
+
+    let endpoints = proxmox_notify::api::smtp::get_endpoints(&config)?;
+
+    Ok(endpoints)
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            name: {
+                schema: ENTITY_NAME_SCHEMA,
+            }
+        },
+    },
+    returns: { type: SmtpConfig },
+    access: {
+        permission: &Permission::Privilege(&["system", "notifications"], PRIV_SYS_AUDIT, false),
+    },
+)]
+/// Get a smtp endpoint.
+pub fn get_endpoint(name: String, rpcenv: &mut dyn RpcEnvironment) -> Result<SmtpConfig, Error> {
+    let config = pbs_config::notifications::config()?;
+    let endpoint = proxmox_notify::api::smtp::get_endpoint(&config, &name)?;
+
+    rpcenv["digest"] = hex::encode(config.digest()).into();
+
+    Ok(endpoint)
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            endpoint: {
+                type: SmtpConfig,
+                flatten: true,
+            },
+            password: {
+                optional: true,
+                description: "SMTP authentication password"
+            }
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["system", "notifications"], PRIV_SYS_MODIFY, false),
+    },
+)]
+/// Add a new smtp endpoint.
+pub fn add_endpoint(
+    endpoint: SmtpConfig,
+    password: Option<String>,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<(), Error> {
+    let _lock = pbs_config::notifications::lock_config()?;
+    let mut config = pbs_config::notifications::config()?;
+    let private_endpoint_config = SmtpPrivateConfig {
+        name: endpoint.name.clone(),
+        password,
+    };
+
+    proxmox_notify::api::smtp::add_endpoint(&mut config, endpoint, private_endpoint_config)?;
+
+    pbs_config::notifications::save_config(config)?;
+    Ok(())
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            name: {
+                schema: ENTITY_NAME_SCHEMA,
+            },
+            updater: {
+                type: SmtpConfigUpdater,
+                flatten: true,
+            },
+            password: {
+                description: "SMTP authentication password",
+                optional: true,
+            },
+            delete: {
+                description: "List of properties to delete.",
+                type: Array,
+                optional: true,
+                items: {
+                    type: DeleteableSmtpProperty,
+                }
+            },
+            digest: {
+                optional: true,
+                schema: PROXMOX_CONFIG_DIGEST_SCHEMA,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["system", "notifications"], PRIV_SYS_MODIFY, false),
+    },
+)]
+/// Update smtp endpoint.
+pub fn update_endpoint(
+    name: String,
+    updater: SmtpConfigUpdater,
+    password: Option<String>,
+    delete: Option<Vec<DeleteableSmtpProperty>>,
+    digest: Option<String>,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<(), Error> {
+    let _lock = pbs_config::notifications::lock_config()?;
+    let mut config = pbs_config::notifications::config()?;
+    let digest = digest.map(hex::decode).transpose()?;
+
+    proxmox_notify::api::smtp::update_endpoint(
+        &mut config,
+        &name,
+        updater,
+        SmtpPrivateConfigUpdater { password },
+        delete.as_deref(),
+        digest.as_deref(),
+    )?;
+
+    pbs_config::notifications::save_config(config)?;
+    Ok(())
+}
+
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            name: {
+                schema: ENTITY_NAME_SCHEMA,
+            }
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["system", "notifications"], PRIV_SYS_MODIFY, false),
+    },
+)]
+/// Delete smtp endpoint.
+pub fn delete_endpoint(name: String, _rpcenv: &mut dyn RpcEnvironment) -> Result<(), Error> {
+    let _lock = pbs_config::notifications::lock_config()?;
+    let mut config = pbs_config::notifications::config()?;
+    proxmox_notify::api::smtp::delete_endpoint(&mut config, &name)?;
+
+    pbs_config::notifications::save_config(config)?;
+    Ok(())
+}
+
+const ITEM_ROUTER: Router = Router::new()
+    .get(&API_METHOD_GET_ENDPOINT)
+    .put(&API_METHOD_UPDATE_ENDPOINT)
+    .delete(&API_METHOD_DELETE_ENDPOINT);
+
+pub const ROUTER: Router = Router::new()
+    .get(&API_METHOD_LIST_ENDPOINTS)
+    .post(&API_METHOD_ADD_ENDPOINT)
+    .match_all("name", &ITEM_ROUTER);