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use regex::Regex;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
/// Represents a Hysteria proxy.
#[derive(Debug, Serialize, Deserialize)]
pub struct Hysteria {
/// The version of the Hysteria protocol.
pub version: u8,
/// The host address of the Hysteria proxy.
pub host: String,
/// The port number for the Hysteria proxy.
pub port: u32,
/// The authentication string associated with the Hysteria proxy.
pub auth: String,
/// Additional parameters associated with the Hysteria proxy.
#[serde(flatten)]
pub parameters: Option<HashMap<String, String>>,
}
impl Hysteria {
/// Converts the Hysteria proxy information into a Hysteria URL.
///
/// # Example
///
/// ```
/// use proxy_scraper::hysteria::Hysteria;
/// use std::collections::HashMap;
/// let proxy = Hysteria {
/// version: 1,
/// host: "example.com".to_string(),
/// port: 443,
/// auth: "auth123".to_string(),
/// parameters: Some(HashMap::new()), // Insert additional parameters here
/// };
/// let url = proxy.to_url();
/// assert_eq!(url, "hysteria://auth123@example.com:443?");
/// ```
pub fn to_url(&self) -> String {
let url_encoded_parameters = serde_urlencoded::to_string(&self.parameters).unwrap();
let hysteria_version = match self.version {
1 => "hysteria",
_ => "hy2",
};
format!(
"{}://{}@{}:{}?{}",
hysteria_version, self.auth, self.host, self.port, url_encoded_parameters
)
}
/// Scrapes Hysteria proxy information from the provided source string and returns a vector of Hysteria instances.
///
/// # Arguments
///
/// * `source` - A string containing the source code or text from which to extract Hysteria proxy information.
///
/// # Returns
///
/// A vector of `Hysteria` instances parsed from the source string.
pub fn scrape(source: &str) -> Vec<Self> {
let source = crate::utils::seperate_links(source);
let mut proxy_list: Vec<Hysteria> = Vec::new();
let regex =
Regex::new(r#"(hy2|hysteria2|hysteria)://([A-Za-z0-9\-._~]+)@((.+):(\d+))\?(.+)#"#)
.unwrap();
for captures in regex.captures_iter(&source) {
let version = captures.get(1).map(|ver| ver.as_str()).unwrap_or("");
let auth = captures.get(2).map(|auth| auth.as_str()).unwrap_or("");
let host = captures.get(4).map(|host| host.as_str()).unwrap_or("");
let port = captures.get(5).map(|port| port.as_str()).unwrap_or("");
let url_parameters = captures.get(6).map(|params| params.as_str()).unwrap_or("");
if version.is_empty()
|| auth.is_empty()
|| host.is_empty()
|| port.is_empty()
|| url_parameters.is_empty()
{
continue;
}
let parameters: HashMap<String, String> =
serde_urlencoded::from_str(&url_parameters).unwrap();
let hysteria_version = match version {
"hy2" | "hysteria2" => 2,
_ => 1,
};
let hysteria_proxy = Hysteria {
version: hysteria_version,
host: host.to_string(),
port: port.parse::<u32>().unwrap_or(0),
auth: auth.to_string(),
parameters: Some(parameters),
};
proxy_list.push(hysteria_proxy);
}
proxy_list
}
}