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
use serde;
use self::serde::Deserialize;
use chrono::{self, offset::FixedOffset, prelude::*};
use hex::{self, FromHex, FromHexError};
use serde_yaml;
use std::{fmt, io};
pub trait MyTryFromBytes: Sized {
type Err: 'static + Sized + ::std::error::Error;
fn try_from(_: &[u8]) -> Result<Self, Self::Err>;
}
pub fn from_base64<'d, T, D>(deserializer: D) -> Result<T, D::Error>
where
D: serde::Deserializer<'d>,
T: MyTryFromBytes,
{
use self::serde::de::Error;
String::deserialize(deserializer)
.and_then(|string| {
crate::base64_decode(&string).map_err(|err| Error::custom(err.to_string()))
})
.and_then(|ref bytes| {
T::try_from(bytes)
.map_err(|err| Error::custom(format!("{}", &err as &dyn (::std::error::Error))))
})
}
pub fn as_base64<T, S>(key: &T, serializer: S) -> Result<S::Ok, S::Error>
where
T: AsRef<[u8]>,
S: serde::Serializer,
{
serializer.serialize_str(&crate::base64_encode(key.as_ref()))
}
pub fn from_hex<'d, T, D>(deserializer: D) -> Result<T, D::Error>
where
D: serde::Deserializer<'d>,
T: MyTryFromBytes,
{
use self::serde::de::Error;
String::deserialize(deserializer)
.and_then(|string| {
FromHex::from_hex(string.as_str())
.map_err(|err: FromHexError| Error::custom(err.to_string()))
})
.and_then(|bytes: Vec<u8>| {
T::try_from(&bytes)
.map_err(|err| Error::custom(format!("{}", &err as &dyn (::std::error::Error))))
})
}
pub fn as_hex<T, S>(key: &T, serializer: S) -> Result<S::Ok, S::Error>
where
T: AsRef<[u8]>,
S: serde::Serializer,
{
serializer.serialize_str(&hex::encode(key))
}
pub fn from_rfc3339_fixed<'d, D>(deserializer: D) -> Result<chrono::DateTime<FixedOffset>, D::Error>
where
D: serde::Deserializer<'d>,
{
use self::serde::de::Error;
String::deserialize(deserializer)
.and_then(|string| {
DateTime::<FixedOffset>::parse_from_rfc3339(&string)
.map_err(|err| Error::custom(err.to_string()))
})
.map(|dt| dt.with_timezone(&dt.timezone()))
}
pub fn as_rfc3339_fixed<S>(
key: &chrono::DateTime<FixedOffset>,
serializer: S,
) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
serializer.serialize_str(&key.to_rfc3339())
}
impl MyTryFromBytes for Vec<u8> {
type Err = io::Error;
fn try_from(slice: &[u8]) -> Result<Self, Self::Err> {
Ok(Vec::from(slice))
}
}
pub fn write_as_headerless_yaml<T: self::serde::Serialize>(
t: &T,
f: &mut fmt::Formatter<'_>,
) -> fmt::Result {
let yaml_document = serde_yaml::to_string(t).map_err(|_| fmt::Error)?;
let mut lines = yaml_document.lines();
let dropped_header = lines.next();
assert_eq!(dropped_header, Some("---"));
for line in lines {
f.write_str(&line)?;
f.write_str("\n")?;
}
Ok(())
}