http-signature-normalization-actix 0.12.0

An HTTP Signatures library that leaves the signing to you
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

use crate::digest::DigestName;
use sha2::{Sha224, Sha256, Sha384, Sha512};

impl DigestName for Sha224 {
    const NAME: &'static str = "SHA-244";
}

impl DigestName for Sha256 {
    const NAME: &'static str = "SHA-256";
}

impl DigestName for Sha384 {
    const NAME: &'static str = "SHA-384";
}

impl DigestName for Sha512 {
    const NAME: &'static str = "SHA-512";
}

#[cfg(feature = "client")]
mod client {
    use super::*;
    use crate::digest::DigestCreate;
    use base64::prelude::*;

    fn create<D: sha2::Digest + sha2::digest::FixedOutputReset>(
        digest: &mut D,
        input: &[u8],
    ) -> String {
        sha2::Digest::update(digest, input);
        BASE64_STANDARD.encode(digest.finalize_reset())
    }

    impl DigestCreate for Sha224 {
        fn compute(&mut self, input: &[u8]) -> String {
            create(self, input)
        }
    }

    impl DigestCreate for Sha256 {
        fn compute(&mut self, input: &[u8]) -> String {
            create(self, input)
        }
    }

    impl DigestCreate for Sha384 {
        fn compute(&mut self, input: &[u8]) -> String {
            create(self, input)
        }
    }

    impl DigestCreate for Sha512 {
        fn compute(&mut self, input: &[u8]) -> String {
            create(self, input)
        }
    }
}

#[cfg(feature = "server")]
mod server {
    use super::*;
    use crate::digest::{DigestPart, DigestVerify};
    use base64::prelude::*;
    use tracing::{debug, warn};

    fn verify<D: sha2::Digest + sha2::digest::FixedOutputReset>(
        digest: &mut D,
        name: &str,
        parts: &[DigestPart],
    ) -> bool {
        if let Some(part) = parts
            .iter()
            .find(|p| p.algorithm.to_lowercase() == name.to_lowercase())
        {
            debug!("Verifying digest type, {}", name);
            let encoded = BASE64_STANDARD.encode(digest.finalize_reset());

            return part.digest == encoded;
        }
        warn!("No matching digest algorithm found for {}", name);
        warn!(
            "Provided: [{}]",
            parts.iter().fold(String::new(), |mut acc, item| {
                if acc.is_empty() {
                } else {
                    acc.push_str(", ");
                }
                acc.push_str(&item.algorithm);
                acc
            })
        );

        false
    }

    impl DigestVerify for Sha224 {
        fn update(&mut self, part: &[u8]) {
            sha2::Digest::update(self, part);
        }

        fn verify(&mut self, parts: &[DigestPart]) -> bool {
            verify(self, Self::NAME, parts)
        }
    }

    impl DigestVerify for Sha256 {
        fn update(&mut self, part: &[u8]) {
            sha2::Digest::update(self, part);
        }

        fn verify(&mut self, parts: &[DigestPart]) -> bool {
            verify(self, Self::NAME, parts)
        }
    }

    impl DigestVerify for Sha384 {
        fn update(&mut self, part: &[u8]) {
            sha2::Digest::update(self, part);
        }

        fn verify(&mut self, parts: &[DigestPart]) -> bool {
            verify(self, Self::NAME, parts)
        }
    }

    impl DigestVerify for Sha512 {
        fn update(&mut self, part: &[u8]) {
            sha2::Digest::update(self, part);
        }

        fn verify(&mut self, parts: &[DigestPart]) -> bool {
            verify(self, Self::NAME, parts)
        }
    }
}