Rust reqwest 代理接入示例

use reqwest::{Client, Proxy};
use std::{env, error::Error, time::Duration};

/// 通过账密代理异步请求公开出口检测地址。
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
    let proxy_host = env::var("PROXY_HOST")?;
    let proxy_port = env::var("PROXY_PORT")?;
    let proxy_username = env::var("PROXY_USERNAME")?;
    let proxy_password = env::var("PROXY_PASSWORD")?;
    let proxy = Proxy::all(format!("http://{proxy_host}:{proxy_port}"))?
        .basic_auth(&proxy_username, &proxy_password);
    let client = Client::builder()
        .proxy(proxy)
        .connect_timeout(Duration::from_secs(10))
        .timeout(Duration::from_secs(30))
        .build()?;

    let body = client
        .get("https://<public-test-host>/ip")
        .send()
        .await?
        .error_for_status()?
        .text()
        .await?;
    println!("{body}");
    Ok(())
}