cobble-core 1.2.0

Library for managing, installing and launching Minecraft instances and more.
Documentation 
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use crate::consts;
use crate::error::AuthResult;
use serde::Deserialize;
use serde_json::json;
use time::{Duration, OffsetDateTime};

#[derive(Clone, Debug)]
pub struct MinecraftToken {
    pub username: String,
    pub access_token: String,
    pub expiration: OffsetDateTime,
}

#[instrument(name = "authenticate_minecraft", level = "trace", skip_all)]
pub async fn authenticate(xsts_token: &str, user_hash: &str) -> AuthResult<MinecraftToken> {
    let client = reqwest::Client::new();
    let response = client
        .post(consts::MC_TOKEN_URL)
        .json(&json!({
            "identityToken": format!("XBL3.0 x={};{}", user_hash, xsts_token)
        }))
        .send()
        .await?
        .error_for_status()?
        .json::<MinecraftTokenResponse>()
        .await?;

    Ok(response.into())
}

#[derive(Clone, Debug, Deserialize)]
struct MinecraftTokenResponse {
    username: String,
    access_token: String,
    expires_in: u64,
}

impl From<MinecraftTokenResponse> for MinecraftToken {
    fn from(resp: MinecraftTokenResponse) -> Self {
        let exp = OffsetDateTime::now_utc() - Duration::seconds(60)
            + Duration::seconds(resp.expires_in as i64);

        Self {
            username: resp.username,
            access_token: resp.access_token,
            expiration: exp,
        }
    }
}