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api: datastore: further unify check helpers 

this is the most common sequence of checks we have in this file, so
let's have a single place where we implement it.

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Fabian Grünbichler 2022-05-10 10:06:55 +02:00 committed by Thomas Lamprecht
parent c939698414
commit 7a404dc53d
1 changed files with 28 additions and 124 deletions
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152
src/api2/admin/datastore.rs
View File

@ -109,17 +109,24 @@ fn check_ns_privs(
proxmox_router::http_bail!(FORBIDDEN, "permission check failed");
}
fn check_owner_load_store(
// helper to unify common sequence of checks:
// 1. check privs on NS (full or limited access)
// 2. load datastore
// 3. if needed (only limited access), check owner of group
fn check_privs_and_load_store(
store: &str,
ns: &BackupNamespace,
auth_id: &Authid,
full_access_privs: u64,
partial_access_privs: u64,
operation: Option<Operation>,
owner_check_required: bool,
backup_group: &pbs_api_types::BackupGroup,
) -> Result<Arc<DataStore>, Error> {
let limited = check_ns_privs(store, ns, auth_id, full_access_privs, partial_access_privs)?;
let datastore = DataStore::lookup_datastore(&store, operation)?;
if owner_check_required {
if limited {
let owner = datastore.get_owner(&ns, backup_group)?;
check_backup_owner(&owner, &auth_id)?;
}
@ -302,20 +309,13 @@ pub fn delete_group(
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_MODIFY,
PRIV_DATASTORE_PRUNE,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Write),
owner_check_required,
&group,
)?;
@ -359,20 +359,13 @@ pub fn list_snapshot_files(
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_AUDIT | PRIV_DATASTORE_READ,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -416,21 +409,13 @@ pub fn delete_snapshot(
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_MODIFY,
PRIV_DATASTORE_PRUNE,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Write),
owner_check_required,
&backup_dir.group,
)?;
@ -936,23 +921,14 @@ pub fn prune(
rpcenv: &mut dyn RpcEnvironment,
) -> Result<Value, Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_MODIFY,
PRIV_DATASTORE_PRUNE,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Write),
owner_check_required,
&group,
)?;
@ -1287,20 +1263,13 @@ pub fn download_file(
let store = required_string_param(&param, "store")?;
let backup_ns = optional_ns_param(&param)?;
let backup_dir: pbs_api_types::BackupDir = Deserialize::deserialize(&param)?;
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_READ,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -1375,19 +1344,13 @@ pub fn download_file_decoded(
let store = required_string_param(&param, "store")?;
let backup_ns = optional_ns_param(&param)?;
let backup_dir: pbs_api_types::BackupDir = Deserialize::deserialize(&param)?;
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_READ,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -1508,30 +1471,20 @@ pub fn upload_backup_log(
let store = required_string_param(&param, "store")?;
let backup_ns = optional_ns_param(&param)?;
let backup_dir: pbs_api_types::BackupDir = Deserialize::deserialize(&param)?;
check_ns_privs(&store, &backup_ns, &auth_id, PRIV_DATASTORE_BACKUP, 0).map_err(|_| {
http_err!(
UNAUTHORIZED,
"{} does not have permission to upload log for backup snapshot '{}'",
auth_id,
backup_dir,
)
})?;
let datastore = check_owner_load_store(
store,
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
0,
PRIV_DATASTORE_BACKUP,
Some(Operation::Write),
true,
&backup_dir.group,
)?;
let backup_dir = datastore.backup_dir(backup_ns, backup_dir)?;
let file_name = CLIENT_LOG_BLOB_NAME;
let owner = backup_dir.get_owner()?;
check_backup_owner(&owner, &auth_id)?;
let mut path = backup_dir.full_path();
path.push(&file_name);
@ -1594,20 +1547,13 @@ pub fn catalog(
) -> Result<Vec<ArchiveEntry>, Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_READ,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -1681,19 +1627,13 @@ pub fn pxar_file_download(
let store = required_string_param(&param, "store")?;
let backup_ns = optional_ns_param(&param)?;
let backup_dir: pbs_api_types::BackupDir = Deserialize::deserialize(&param)?;
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_READ,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -1893,19 +1833,13 @@ pub fn get_group_notes(
) -> Result<String, Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_AUDIT,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_group,
)?;
@ -1946,19 +1880,13 @@ pub fn set_group_notes(
) -> Result<(), Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_MODIFY,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Write),
owner_check_required,
&backup_group,
)?;
@ -1997,19 +1925,13 @@ pub fn get_notes(
) -> Result<String, Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_AUDIT,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -2055,19 +1977,13 @@ pub fn set_notes(
) -> Result<(), Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_MODIFY,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Write),
owner_check_required,
&backup_dir.group,
)?;
@ -2111,19 +2027,13 @@ pub fn get_protection(
) -> Result<bool, Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_AUDIT,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Read),
owner_check_required,
&backup_dir.group,
)?;
@ -2165,19 +2075,13 @@ pub fn set_protection(
) -> Result<(), Error> {
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let backup_ns = backup_ns.unwrap_or_default();
let owner_check_required = check_ns_privs(
let datastore = check_privs_and_load_store(
&store,
&backup_ns,
&auth_id,
PRIV_DATASTORE_MODIFY,
PRIV_DATASTORE_BACKUP,
)?;
let datastore = check_owner_load_store(
&store,
&backup_ns,
&auth_id,
Some(Operation::Write),
owner_check_required,
&backup_dir.group,
)?;