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|
use std::{
io::{self, Write},
sync::Arc,
};
use azalea_buf::{AzBuf, AzBufLimited, AzBufVar, BufReadError};
use indexmap::IndexMap;
use serde::{Deserialize, Serialize, Serializer};
use uuid::Uuid;
/// Information about the player that's usually stored on Mojang's servers.
#[derive(AzBuf, Clone, Debug, Default, Eq, PartialEq)]
pub struct GameProfile {
/// The UUID of the player.
///
/// Typically a UUIDv4 for online-mode players and UUIDv3 for offline-mode
/// players.
pub uuid: Uuid,
/// The username of the player.
///
/// Limited to 16 bytes.
pub name: String,
/// The properties of the player, including their in-game skin and cape.
///
/// This is an `Arc` to make it cheaper to clone.
pub properties: Arc<GameProfileProperties>,
}
impl GameProfile {
pub fn new(uuid: Uuid, name: String) -> Self {
GameProfile {
uuid,
name,
properties: Arc::new(GameProfileProperties::default()),
}
}
}
impl From<SerializableGameProfile> for GameProfile {
fn from(value: SerializableGameProfile) -> Self {
Self {
uuid: value.id.unwrap_or_default(),
name: value.name.unwrap_or_default(),
properties: Arc::new(value.properties.into()),
}
}
}
/// The properties of the player, including their in-game skin and cape.
#[derive(Clone, Debug, Default, Eq, PartialEq)]
pub struct GameProfileProperties {
pub map: IndexMap<String, ProfilePropertyValue>,
}
impl AzBuf for GameProfileProperties {
fn azalea_read(buf: &mut io::Cursor<&[u8]>) -> Result<Self, BufReadError> {
let mut properties = IndexMap::new();
let properties_len = u32::azalea_read_var(buf)?;
if properties_len > 16 {
return Err(BufReadError::VecLengthTooLong {
length: properties_len,
max_length: 16,
});
}
for _ in 0..properties_len {
let key = String::azalea_read_limited(buf, 16)?;
let value = ProfilePropertyValue::azalea_read(buf)?;
properties.insert(key, value);
}
Ok(GameProfileProperties { map: properties })
}
fn azalea_write(&self, buf: &mut impl Write) -> io::Result<()> {
(self.map.len() as u64).azalea_write_var(buf)?;
for (key, value) in &self.map {
key.azalea_write(buf)?;
value.azalea_write(buf)?;
}
Ok(())
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct ProfilePropertyValue {
pub value: String,
pub signature: Option<String>,
}
impl AzBuf for ProfilePropertyValue {
fn azalea_read(buf: &mut io::Cursor<&[u8]>) -> Result<Self, BufReadError> {
let value = String::azalea_read_limited(buf, 32767)?;
let signature = Option::<String>::azalea_read_limited(buf, 1024)?;
Ok(ProfilePropertyValue { value, signature })
}
fn azalea_write(&self, buf: &mut impl Write) -> io::Result<()> {
self.value.azalea_write(buf)?;
self.signature.azalea_write(buf)?;
Ok(())
}
}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct SerializableGameProfile {
#[serde(default)]
#[serde(skip_serializing_if = "Option::is_none")]
pub id: Option<Uuid>,
#[serde(default)]
#[serde(skip_serializing_if = "Option::is_none")]
pub name: Option<String>,
#[serde(default)]
#[serde(skip_serializing_if = "SerializableProfileProperties::is_empty")]
pub properties: SerializableProfileProperties,
}
impl From<GameProfile> for SerializableGameProfile {
fn from(value: GameProfile) -> Self {
Self {
id: Some(value.uuid),
name: Some(value.name),
properties: (*value.properties).clone().into(),
}
}
}
#[derive(Clone, Debug, Default, Deserialize, Serialize)]
#[serde(transparent)]
pub struct SerializableProfileProperties {
pub list: Vec<SerializableProfilePropertyValue>,
}
impl SerializableProfileProperties {
pub fn is_empty(&self) -> bool {
self.list.is_empty()
}
}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct SerializableProfilePropertyValue {
pub name: String,
pub value: String,
#[serde(default)]
#[serde(skip_serializing_if = "Option::is_none")]
pub signature: Option<String>,
}
impl From<GameProfileProperties> for SerializableProfileProperties {
fn from(value: GameProfileProperties) -> Self {
let mut list = Vec::new();
for (name, entry) in value.map {
list.push(SerializableProfilePropertyValue {
name,
value: entry.value,
signature: entry.signature,
});
}
Self { list }
}
}
impl From<SerializableProfileProperties> for GameProfileProperties {
fn from(value: SerializableProfileProperties) -> Self {
let mut map = IndexMap::new();
for entry in value.list {
map.insert(
entry.name,
ProfilePropertyValue {
value: entry.value,
signature: entry.signature,
},
);
}
Self { map }
}
}
impl Serialize for GameProfile {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
let serializable = SerializableGameProfile::from(self.clone());
serializable.serialize(serializer)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_deserialize_game_profile() {
let json = r#"{
"id": "f1a2b3c4-d5e6-f7a8-b9c0-d1e2f3a4b5c6",
"name": "Notch",
"properties": [
{
"name": "qwer",
"value": "asdf",
"signature": "zxcv"
}
]
}"#;
let profile =
GameProfile::from(serde_json::from_str::<SerializableGameProfile>(json).unwrap());
assert_eq!(
profile,
GameProfile {
uuid: Uuid::parse_str("f1a2b3c4-d5e6-f7a8-b9c0-d1e2f3a4b5c6").unwrap(),
name: "Notch".to_owned(),
properties: {
let mut map = IndexMap::new();
map.insert(
"qwer".to_owned(),
ProfilePropertyValue {
value: "asdf".to_owned(),
signature: Some("zxcv".to_owned()),
},
);
GameProfileProperties { map }.into()
},
}
);
}
}
|
