regorus 0.2.2

A fast, lightweight Rego (OPA policy language) interpreter
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

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

use crate::ast::{Expr, Ref};
use crate::builtins;
use crate::builtins::utils::ensure_args_count;
use crate::*;

use crate::lexer::Span;
use crate::value::Value;

use alloc::collections::BTreeMap;

use anyhow::Result;

pub fn register(m: &mut builtins::BuiltinsMap<&'static str, builtins::BuiltinFcn>) {
    m.insert("opa.runtime", (opa_runtime, 0));
}

fn opa_runtime(span: &Span, params: &[Ref<Expr>], args: &[Value], _strict: bool) -> Result<Value> {
    let name = "opa.runtime";
    ensure_args_count(span, name, params, args, 0)?;
    let mut obj = BTreeMap::new();

    obj.insert(
        Value::String("commit".into()),
        Value::String(env!("GIT_HASH").into()),
    );

    obj.insert(
        Value::String("regorus-version".into()),
        Value::String(env!("CARGO_PKG_VERSION").into()),
    );

    obj.insert(
        Value::String("version".into()),
        Value::String("0.60.0".into()),
    );

    // Emitting environment variables could lead to confidential data being leaked.
    #[cfg(feature = "std")]
    if false {
        obj.insert(
            Value::String("env".into()),
            Value::from_map(
                std::env::vars()
                    .map(|(k, v)| (Value::String(k.into()), Value::String(v.into())))
                    .collect(),
            ),
        );
    }

    let features = [
        #[cfg(feature = "base64")]
        "base64",
        #[cfg(feature = "base64url")]
        "base64url",
        #[cfg(feature = "crypto")]
        "crypto",
        #[cfg(feature = "deprecated")]
        "deprecated",
        #[cfg(feature = "glob")]
        "glob",
        #[cfg(feature = "graph")]
        "graph",
        #[cfg(feature = "hex")]
        "hex",
        #[cfg(feature = "http")]
        "http",
        #[cfg(feature = "jwt")]
        "jwt",
        #[cfg(feature = "jsonschema")]
        "jsonschema",
        #[cfg(feature = "opa-runtime")]
        "opa-runtime",
        #[cfg(feature = "regex")]
        "regex",
        #[cfg(feature = "semver")]
        "semver",
        #[cfg(feature = "time")]
        "time",
        #[cfg(feature = "uuid")]
        "uuid",
        #[cfg(feature = "urlquery")]
        "urlquery",
        #[cfg(feature = "yaml")]
        "yaml",
        "",
    ];

    let features = &features[..features.len() - 1];
    obj.insert(
        Value::String("features".into()),
        Value::from_array(
            features
                .iter()
                .map(|f| Value::String(f.to_string().into()))
                .collect(),
        ),
    );

    let mut builtins: Vec<&&str> = builtins::BUILTINS.keys().collect();
    builtins.sort();

    obj.insert(
        Value::String("builtins".into()),
        Value::from_array(
            builtins
                .iter()
                .map(|f| Value::String(f.to_string().into()))
                .collect(),
        ),
    );

    #[cfg(feature = "deprecated")]
    {
        let mut deprecated: Vec<&&str> = builtins::deprecated::DEPRECATED.keys().collect();
        deprecated.sort();

        obj.insert(
            Value::String("deprecated".into()),
            Value::from_array(
                deprecated
                    .iter()
                    .map(|f| Value::String(f.to_string().into()))
                    .collect(),
            ),
        );
    }

    Ok(Value::from_map(obj))
}