xmpp-rs-mirror/src/avatar.rs
2019-01-27 17:40:46 +01:00

127 lines
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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::hashes::Sha1HexAttribute;
use crate::pubsub::PubSubPayload;
use crate::util::helpers::WhitespaceAwareBase64;
generate_element!(
/// Communicates information about an avatar.
Metadata, "metadata", AVATAR_METADATA,
children: [
/// List of information elements describing this avatar.
infos: Vec<Info> = ("info", AVATAR_METADATA) => Info
]
);
impl PubSubPayload for Metadata {}
generate_element!(
/// Communicates avatar metadata.
Info, "info", AVATAR_METADATA,
attributes: [
/// The size of the image data in bytes.
bytes: u16 = "bytes" => required,
/// The width of the image in pixels.
width: Option<u8> = "width" => optional,
/// The height of the image in pixels.
height: Option<u8> = "height" => optional,
/// The SHA-1 hash of the image data for the specified content-type.
id: Sha1HexAttribute = "id" => required,
/// The IANA-registered content type of the image data.
type_: String = "type" => required,
/// The http: or https: URL at which the image data file is hosted.
url: Option<String> = "url" => optional,
]
);
generate_element!(
/// The actual avatar data.
Data, "data", AVATAR_DATA,
text: (
/// Vector of bytes representing the avatars image.
data: WhitespaceAwareBase64<Vec<u8>>
)
);
impl PubSubPayload for Data {}
#[cfg(test)]
mod tests {
use super::*;
use crate::hashes::Algo;
use crate::util::error::Error;
use minidom::Element;
use try_from::TryFrom;
#[cfg(target_pointer_width = "32")]
#[test]
fn test_size() {
assert_size!(Metadata, 12);
assert_size!(Info, 60);
assert_size!(Data, 12);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_size() {
assert_size!(Metadata, 24);
assert_size!(Info, 112);
assert_size!(Data, 24);
}
#[test]
fn test_simple() {
let elem: Element = "<metadata xmlns='urn:xmpp:avatar:metadata'>
<info bytes='12345' width='64' height='64'
id='111f4b3c50d7b0df729d299bc6f8e9ef9066971f'
type='image/png'/>
</metadata>"
.parse()
.unwrap();
let metadata = Metadata::try_from(elem).unwrap();
assert_eq!(metadata.infos.len(), 1);
let info = &metadata.infos[0];
assert_eq!(info.bytes, 12345);
assert_eq!(info.width, Some(64));
assert_eq!(info.height, Some(64));
assert_eq!(info.id.algo, Algo::Sha_1);
assert_eq!(info.type_, "image/png");
assert_eq!(info.url, None);
assert_eq!(
info.id.hash,
[
17, 31, 75, 60, 80, 215, 176, 223, 114, 157, 41, 155, 198, 248, 233, 239, 144, 102,
151, 31
]
);
let elem: Element = "<data xmlns='urn:xmpp:avatar:data'>AAAA</data>"
.parse()
.unwrap();
let data = Data::try_from(elem).unwrap();
assert_eq!(data.data, b"\0\0\0");
}
#[cfg(not(feature = "disable-validation"))]
#[test]
fn test_invalid() {
let elem: Element = "<data xmlns='urn:xmpp:avatar:data' id='coucou'/>"
.parse()
.unwrap();
let error = Data::try_from(elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown attribute in data element.")
}
}