uqa-sql 0.4.0

PostgreSQL-compatible SQL compiler built on libpg_query
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145

//
// Unified Query Algebra
//
// Copyright (c) 2023-2026 Cognica, Inc.
//

use super::*;
use std::sync::Arc;

struct Names(RoleReference);
impl RoleReferenceNames for Names {
    fn outer_role(&self) -> crate::catalog::roles::RoleReference {
        self.current_role()
    }
    fn current_role(&self) -> RoleReference {
        self.0.clone()
    }
    fn session_role(&self) -> RoleReference {
        self.current_role()
    }
}

fn catalog() -> (BTreeMap<String, RoleDefinition>, Names) {
    let roles: BTreeMap<_, _> = ["grantor", "reader", "PUBLIC"]
        .into_iter()
        .enumerate()
        .map(|(index, name)| {
            let mut role = RoleDefinition::bootstrap();
            role.name = name.into();
            role.oid = 20_000 + i64::try_from(index).unwrap();
            role.object_id = [u8::try_from(index + 1).unwrap(); 16];
            (name.into(), role)
        })
        .collect();
    let names = Names(RoleReference::Bound(Arc::new(
        RoleBinding::from_definition(&roles["grantor"]).unwrap(),
    )));
    (roles, names)
}

#[test]
fn captured_acl_recipients_and_grantor_follow_renames_without_authorizing_reused_names() {
    let (mut roles, names) = catalog();
    let arguments = vec![
        AclRoleSpecification::Public,
        AclRoleSpecification::Role("PUBLIC".into()),
        AclRoleSpecification::Role("reader".into()),
        AclRoleSpecification::Role(RoleSpecification::CurrentUser),
    ];
    let grantor = RoleSpecification::Named("grantor".into());
    let mut command = AclCommandRoles::default();
    command
        .resolve_validated(&names, &roles, &arguments, Some(&grantor), |_| Ok(()))
        .unwrap();
    for old in ["grantor", "reader", "PUBLIC"] {
        let mut original = roles.remove(old).unwrap();
        let mut replacement = original.clone();
        replacement.oid += 10;
        replacement.object_id[0] += 10;
        original.name = format!("renamed {old}");
        original.advance_revision().unwrap();
        roles.insert(original.name.clone(), original);
        roles.insert(old.into(), replacement);
    }
    let resolved = command
        .resolve_validated(&names, &roles, &arguments, Some(&grantor), |_| Ok(()))
        .unwrap();
    assert_eq!(
        resolved.grantees,
        vec![
            AclGrantee::Public,
            AclGrantee::Role("renamed PUBLIC".into()),
            AclGrantee::Role("renamed reader".into()),
            AclGrantee::Role("renamed grantor".into()),
        ]
    );
    assert_eq!(
        resolved.requested_grantor.as_deref(),
        Some("renamed grantor")
    );
    assert_eq!(
        resolved.current_user.bind(&roles).unwrap().identity(),
        names.0.bind(&roles).unwrap().identity()
    );
}

#[test]
fn a_named_actor_is_captured_before_a_wait_can_replace_its_name() {
    let (mut roles, _) = catalog();
    let names = Names(RoleReference::from("grantor"));
    let mut command = AclCommandRoles::default();
    command
        .resolve_validated(&names, &roles, &[], None, |_| Ok(()))
        .unwrap();
    let mut original = roles.remove("grantor").unwrap();
    let identity = original.identity();
    let mut replacement = original.clone();
    replacement.oid += 10;
    replacement.object_id[0] += 10;
    original.name = "renamed".into();
    original.advance_revision().unwrap();
    roles.insert(original.name.clone(), original);
    roles.insert(replacement.name.clone(), replacement);
    let resolved = command
        .resolve_validated(&names, &roles, &[], None, |_| Ok(()))
        .unwrap();
    assert_eq!(
        resolved.current_user.bind(&roles).unwrap().identity(),
        identity
    );
}

#[test]
fn captured_acl_recipients_reject_replacement_incarnations_before_reauthorization() {
    let (mut roles, names) = catalog();
    let arguments = vec![AclRoleSpecification::Role("reader".into())];
    let mut command = AclCommandRoles::default();
    command
        .resolve_validated(&names, &roles, &arguments, None, |_| Ok(()))
        .unwrap();
    roles.get_mut("reader").unwrap().object_id = [9; 16];
    let result = command.resolve_validated(&names, &roles, &arguments, None, |_| {
        panic!("a replacement must not be authorized")
    });
    assert_eq!(result.err().unwrap().sqlstate(), Some("42704"));
}

#[test]
fn object_specific_validation_precedes_binding_and_retains_its_error_order() {
    let (roles, names) = catalog();
    let arguments = vec![AclRoleSpecification::Public];
    let grantor = RoleSpecification::Named("missing".into());
    let mut command = AclCommandRoles::default();
    let result =
        command.resolve_validated(&names, &roles, &arguments, Some(&grantor), |resolved| {
            assert_eq!(resolved.grantees, vec![AclGrantee::Public]);
            assert_eq!(resolved.requested_grantor.as_deref(), Some("missing"));
            Err(SQLError::Routine {
                sqlstate: "0LP01".into(),
                message: "grant options can only be granted to roles".into(),
            })
        });
    assert_eq!(result.err().unwrap().sqlstate(), Some("0LP01"));
    assert!(command.bound.is_none());
}