[pbs-devel] [PATCH proxmox-backup 1/2] fix #2847: api: datastore: change backup owner

[Dylan Whyte <d.whyte@proxmox.com>]

This adds an api method to change the owner of
a backup-group.

Signed-off-by: Dylan Whyte <d.whyte@proxmox.com>
---
 src/api2/admin/datastore.rs | 56 +++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/api2/admin/datastore.rs b/src/api2/admin/datastore.rs
index c260b62d..f4c4e2de 100644
--- a/src/api2/admin/datastore.rs
+++ b/src/api2/admin/datastore.rs
@@ -1492,6 +1492,57 @@ fn set_notes(
     Ok(())
 }
 
+#[api(
+   input: {
+        properties: {
+            store: {
+                schema: DATASTORE_SCHEMA,
+            },
+            group: {
+                description: "Backup group.",
+            },
+            "new-owner": {
+                description: "Userid of new owner.",
+            },
+        },
+   },
+   access: {
+       permission: &Permission::Privilege(&["datastore", "{store}"], PRIV_DATASTORE_MODIFY, true),
+   },
+)]
+/// Change owner of a backup group
+fn set_backup_owner(
+    store: String,
+    group: String,
+    new_owner: String,
+    rpcenv: &mut dyn RpcEnvironment,
+) -> Result<(), Error> {
+
+    let datastore = DataStore::lookup_datastore(&store)?;
+
+    // user requesting change of owner
+    let userid: Userid = rpcenv.get_user().unwrap().parse()?;
+    let user_info = CachedUserInfo::new()?;
+    let user_privs = user_info.lookup_privs(&userid, &["datastore", &store]);
+
+    let backup_group: BackupGroup = group.parse()?;
+
+    let new_owner: Userid = new_owner.parse()?;
+    let new_owner_info = CachedUserInfo::new()?;
+
+    if new_owner_info.is_active_user(&new_owner) {
+        let allowed = (user_privs & PRIV_DATASTORE_MODIFY) != 0;
+        if !allowed { check_backup_owner(&datastore, &backup_group, &userid)?; }
+
+        datastore.set_owner(&backup_group, &new_owner, true)?;
+
+    } else {
+        bail!("user {} is inactive or non-existent", new_owner);
+    }
+
+    Ok(())
+}
+
 #[sortable]
 const DATASTORE_INFO_SUBDIRS: SubdirMap = &[
     (
@@ -1499,6 +1550,11 @@ const DATASTORE_INFO_SUBDIRS: SubdirMap = &[
         &Router::new()
             .get(&API_METHOD_CATALOG)
     ),
+    (
+        "change-owner",
+        &Router::new()
+            .post(&API_METHOD_SET_BACKUP_OWNER)
+    ),
     (
         "download",
         &Router::new()
-- 
2.20.1