rsip 0.4.0

SIP Rust library, parser & generator of SIP
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

pub use crate::Error;
#[doc(hidden)]
pub use tokenizer::Tokenizer;

/// Simple struct that holds the authority part on of a URI.
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct Auth {
    pub user: String,
    pub password: Option<String>,
}

impl std::fmt::Display for Auth {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match &self.password {
            Some(password) => write!(f, "{}:{}", self.user, password),
            None => write!(f, "{}", self.user),
        }
    }
}

impl<T, S> From<(T, Option<S>)> for Auth
where
    T: Into<String>,
    S: Into<String>,
{
    fn from(from: (T, Option<S>)) -> Self {
        Self {
            user: from.0.into(),
            password: from.1.map(|p| p.into()),
        }
    }
}

impl<'a> std::convert::TryFrom<tokenizer::Tokenizer<'a, &'a str, char>> for Auth {
    type Error = Error;

    fn try_from(tokenizer: tokenizer::Tokenizer<'a, &'a str, char>) -> Result<Self, Self::Error> {
        Ok(Auth {
            user: tokenizer.user.into(),
            password: tokenizer.password.map(Into::into),
        })
    }
}

impl<'a> std::convert::TryFrom<tokenizer::Tokenizer<'a, &'a [u8], u8>> for Auth {
    type Error = Error;

    fn try_from(tokenizer: tokenizer::Tokenizer<'a, &'a [u8], u8>) -> Result<Self, Self::Error> {
        use std::str::from_utf8;

        Self::try_from(Tokenizer::from((
            from_utf8(tokenizer.user)?,
            tokenizer.password.map(from_utf8).transpose()?,
        )))
    }
}

#[doc(hidden)]
pub mod tokenizer {
    use crate::{AbstractInput, AbstractInputItem, GResult, GenericNomError, TokenizerError};
    use std::marker::PhantomData;

    #[derive(Debug, PartialEq, Eq, Clone)]
    pub struct Tokenizer<'a, T, I>
    where
        T: AbstractInput<'a, I>,
        I: AbstractInputItem<I>,
    {
        pub user: T,
        pub password: Option<T>,
        phantom1: PhantomData<&'a T>,
        phantom2: PhantomData<I>,
    }

    impl<'a, T, I> From<(T, Option<T>)> for Tokenizer<'a, T, I>
    where
        T: AbstractInput<'a, I>,
        I: AbstractInputItem<I>,
    {
        fn from(from: (T, Option<T>)) -> Self {
            Self {
                user: from.0,
                password: from.1,
                phantom1: PhantomData,
                phantom2: PhantomData,
            }
        }
    }

    impl<'a, T, I> Tokenizer<'a, T, I>
    where
        T: AbstractInput<'a, I>,
        I: AbstractInputItem<I>,
    {
        pub fn tokenize(part: T) -> GResult<T, Self> {
            use nom::{
                bytes::complete::{tag, take_till, take_until},
                combinator::rest,
                sequence::tuple,
            };

            let (rem, (auth, _)) = tuple((
                take_till(|c| c == Into::<I>::into(b'.') || c == Into::<I>::into(b'@')),
                tag("@"),
            ))(part)
            .map_err(|_: GenericNomError<'a, T>| {
                TokenizerError::from(("auth user", part)).into()
            })?;

            let (user, password) = match tuple::<_, _, nom::error::VerboseError<T>, _>((
                take_until(":"),
                tag(":"),
                rest,
            ))(auth)
            {
                Ok((_, (user, _, password))) => (user, Some(password)),
                Err(_) => {
                    //this is not going to ever fail actually, since rest never returns an
                    //error
                    let (_, user) = rest(auth).map_err(|_: GenericNomError<'a, T>| {
                        TokenizerError::from(("auth user (no password)", auth)).into()
                    })?;
                    (user, None)
                }
            };

            Ok((rem, Tokenizer::from((user, password))))
        }
    }
}

#[cfg(feature = "test-utils")]
impl testing_utils::Randomize for Auth {
    fn random() -> Self {
        use testing_utils::{rand_str_of, sample};

        Self {
            user: rand_str_of(7),
            password: sample(&[Some(rand_str_of(10)), None]),
        }
    }
}