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use super::profiles::AccessControlDelete;
use crate::filter::FilterValidResolved;
use crate::prelude::*;
use std::sync::Arc;
pub(super) enum DeleteResult {
Denied,
Grant,
}
enum IResult {
Denied,
Grant,
Ignore,
}
pub(super) fn apply_delete_access<'a>(
ident: &Identity,
related_acp: &'a [(&AccessControlDelete, Filter<FilterValidResolved>)],
entry: &'a Arc<EntrySealedCommitted>,
) -> DeleteResult {
let mut denied = false;
let mut grant = false;
match protected_filter_entry(ident, entry) {
IResult::Denied => denied = true,
IResult::Grant | IResult::Ignore => {}
}
match delete_filter_entry(ident, related_acp, entry) {
IResult::Denied => denied = true,
IResult::Grant => grant = true,
IResult::Ignore => {}
}
if denied {
DeleteResult::Denied
} else if grant {
DeleteResult::Grant
} else {
DeleteResult::Denied
}
}
fn delete_filter_entry<'a>(
ident: &Identity,
related_acp: &'a [(&AccessControlDelete, Filter<FilterValidResolved>)],
entry: &'a Arc<EntrySealedCommitted>,
) -> IResult {
match &ident.origin {
IdentType::Internal => {
trace!("Internal operation, bypassing access check");
return IResult::Grant;
}
IdentType::Synch(_) => {
security_critical!("Blocking sync check");
return IResult::Denied;
}
IdentType::User(_) => {}
};
info!(event = %ident, "Access check for delete event");
match ident.access_scope() {
AccessScope::ReadOnly | AccessScope::Synchronise => {
security_access!("denied ❌ - identity access scope is not permitted to delete");
return IResult::Denied;
}
AccessScope::ReadWrite => {
}
};
let allow = related_acp.iter().any(|(acd, f_res)| {
if entry.entry_match_no_index(f_res) {
security_access!(
entry_uuid = ?entry.get_uuid(),
acs = %acd.acp.name,
"entry matches acs"
);
security_access!("passed");
true
} else {
trace!(
"entry {:?} DOES NOT match acs {}",
entry.get_uuid(),
acd.acp.name
);
false
} }); if allow {
IResult::Grant
} else {
IResult::Ignore
}
}
fn protected_filter_entry(ident: &Identity, entry: &Arc<EntrySealedCommitted>) -> IResult {
match &ident.origin {
IdentType::Internal => {
trace!("Internal operation, protected rules do not apply.");
IResult::Ignore
}
IdentType::Synch(_) => {
security_access!("sync agreements may not directly delete entities");
IResult::Denied
}
IdentType::User(_) => {
if let Some(classes) = entry.get_ava_set("class") {
if classes.contains(&PVCLASS_SYNC_OBJECT) {
security_access!("attempt to delete with protected class type");
IResult::Denied
} else {
IResult::Ignore
}
} else {
IResult::Ignore
}
}
}
}