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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
use crate::nixhash::CAHash;
use crate::{derivation::OutputError, store_path::StorePath};
use serde::de::Unexpected;
use serde::{Deserialize, Serialize};
use serde_json::Map;
use std::borrow::Cow;
/// References the derivation output.
#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize)]
pub struct Output {
/// Store path of build result.
pub path: Option<StorePath<String>>,
#[serde(flatten)]
pub ca_hash: Option<CAHash>, // we can only represent a subset here.
}
impl<'de> Deserialize<'de> for Output {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
let fields = Map::deserialize(deserializer)?;
let path: &str = fields
.get("path")
.ok_or(serde::de::Error::missing_field(
"`path` is missing but required for outputs",
))?
.as_str()
.ok_or(serde::de::Error::invalid_type(
serde::de::Unexpected::Other("certainly not a string"),
&"a string",
))?;
let path = StorePath::from_absolute_path(path.as_bytes())
.map_err(|_| serde::de::Error::invalid_value(Unexpected::Str(path), &"StorePath"))?;
Ok(Self {
path: Some(path),
ca_hash: CAHash::from_map::<D>(&fields)?,
})
}
}
impl Output {
pub fn is_fixed(&self) -> bool {
self.ca_hash.is_some()
}
/// The output path as a string -- use `""` to indicate an unset output path.
pub fn path_str(&self) -> Cow<str> {
match &self.path {
None => Cow::Borrowed(""),
Some(path) => Cow::Owned(path.to_absolute_path()),
}
}
pub fn validate(&self, validate_output_paths: bool) -> Result<(), OutputError> {
if let Some(fixed_output_hash) = &self.ca_hash {
match fixed_output_hash {
CAHash::Flat(_) | CAHash::Nar(_) => {
// all hashes allowed for Flat, and Nar.
}
_ => return Err(OutputError::InvalidCAHash(fixed_output_hash.clone())),
}
}
if validate_output_paths && self.path.is_none() {
return Err(OutputError::MissingOutputPath);
}
Ok(())
}
}
/// This ensures that a potentially valid input addressed
/// output is deserialized as a non-fixed output.
#[test]
fn deserialize_valid_input_addressed_output() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432"
}"#;
let output: Output = serde_json::from_str(json_bytes).expect("must parse");
assert!(!output.is_fixed());
}
/// This ensures that a potentially valid fixed output
/// output deserializes fine as a fixed output.
#[test]
fn deserialize_valid_fixed_output() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
"hash": "08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba",
"hashAlgo": "r:sha256"
}"#;
let output: Output = serde_json::from_str(json_bytes).expect("must parse");
assert!(output.is_fixed());
}
/// This ensures that parsing an input with the invalid hash encoding
/// will result in a parsing failure.
#[test]
fn deserialize_with_error_invalid_hash_encoding_fixed_output() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
"hash": "IAMNOTVALIDNIXBASE32",
"hashAlgo": "r:sha256"
}"#;
let output: Result<Output, _> = serde_json::from_str(json_bytes);
assert!(output.is_err());
}
/// This ensures that parsing an input with the wrong hash algo
/// will result in a parsing failure.
#[test]
fn deserialize_with_error_invalid_hash_algo_fixed_output() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
"hash": "08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba",
"hashAlgo": "r:sha1024"
}"#;
let output: Result<Output, _> = serde_json::from_str(json_bytes);
assert!(output.is_err());
}
/// This ensures that parsing an input with the missing hash algo but present hash will result in a
/// parsing failure.
#[test]
fn deserialize_with_error_missing_hash_algo_fixed_output() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
"hash": "08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba",
}"#;
let output: Result<Output, _> = serde_json::from_str(json_bytes);
assert!(output.is_err());
}
/// This ensures that parsing an input with the missing hash but present hash algo will result in a
/// parsing failure.
#[test]
fn deserialize_with_error_missing_hash_fixed_output() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
"hashAlgo": "r:sha1024"
}"#;
let output: Result<Output, _> = serde_json::from_str(json_bytes);
assert!(output.is_err());
}
#[test]
fn serialize_deserialize() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432"
}"#;
let output: Output = serde_json::from_str(json_bytes).expect("must parse");
let s = serde_json::to_string(&output).expect("Serialize");
let output2: Output = serde_json::from_str(&s).expect("must parse again");
assert_eq!(output, output2);
}
#[test]
fn serialize_deserialize_fixed() {
let json_bytes = r#"
{
"path": "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
"hash": "08813cbee9903c62be4c5027726a418a300da4500b2d369d3af9286f4815ceba",
"hashAlgo": "r:sha256"
}"#;
let output: Output = serde_json::from_str(json_bytes).expect("must parse");
let s = serde_json::to_string_pretty(&output).expect("Serialize");
let output2: Output = serde_json::from_str(&s).expect("must parse again");
assert_eq!(output, output2);
}
|
