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Prepare for merge: Move all xmpp-parsers files into xmpp-parsers/

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Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
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Maxime “pep” Buquet 2019-10-18 13:45:51 +02:00
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98
src/jingle_dtls_srtp.rs
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// Copyright (c) 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
use crate::util::helpers::ColonSeparatedHex;
use crate::util::error::Error;
use crate::hashes::{Hash, Algo};
generate_attribute!(
/// Indicates which of the end points should initiate the TCP connection establishment.
Setup, "setup", {
/// The endpoint will initiate an outgoing connection.
Active => "active",
/// The endpoint will accept an incoming connection.
Passive => "passive",
/// The endpoint is willing to accept an incoming connection or to initiate an outgoing
/// connection.
Actpass => "actpass",
/*
/// The endpoint does not want the connection to be established for the time being.
///
/// Note that this value isn’t used, as per the XEP.
Holdconn => "holdconn",
*/
}
);
// TODO: use a hashes::Hash instead of two different fields here.
generate_element!(
/// Fingerprint of the key used for a DTLS handshake.
Fingerprint, "fingerprint", JINGLE_DTLS,
attributes: [
/// The hash algorithm used for this fingerprint.
hash: Required<Algo> = "hash",
/// Indicates which of the end points should initiate the TCP connection establishment.
setup: Required<Setup> = "setup"
],
text: (
/// Hash value of this fingerprint.
value: ColonSeparatedHex<Vec<u8>>
)
);
impl Fingerprint {
/// Create a new Fingerprint from a Setup and a Hash.
pub fn from_hash(setup: Setup, hash: Hash) -> Fingerprint {
Fingerprint {
hash: hash.algo,
setup,
value: hash.hash,
}
}
/// Create a new Fingerprint from a Setup and parsing the hash.
pub fn from_colon_separated_hex(setup: Setup, algo: &str, hash: &str) -> Result<Fingerprint, Error> {
let algo = algo.parse()?;
let hash = Hash::from_colon_separated_hex(algo, hash)?;
Ok(Fingerprint::from_hash(setup, hash))
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::Element;
use std::convert::TryFrom;
#[cfg(target_pointer_width = "32")]
#[test]
fn test_size() {
assert_size!(Setup, 1);
assert_size!(Fingerprint, 32);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_size() {
assert_size!(Setup, 1);
assert_size!(Fingerprint, 64);
}
#[test]
fn test_ex1() {
let elem: Element = "<fingerprint xmlns='urn:xmpp:jingle:apps:dtls:0' hash='sha-256' setup='actpass'>02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:CD:54:F1:7A:03:A2:7D:F9:B0:7F:46:19:B2</fingerprint>"
.parse()
.unwrap();
let fingerprint = Fingerprint::try_from(elem).unwrap();
assert_eq!(fingerprint.setup, Setup::Actpass);
assert_eq!(fingerprint.hash, Algo::Sha_256);
assert_eq!(fingerprint.value, [2, 26, 204, 84, 39, 171, 235, 156, 83, 63, 62, 75, 101, 46, 125, 70, 63, 84, 66, 205, 84, 241, 122, 3, 162, 125, 249, 176, 127, 70, 25, 178]);
}
}