luckyimnotanigger/tun2proxy
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move error handler to a separate module

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ssrlive 2023-03-22 22:19:00 +08:00 • committed by B. Blechschmidt
parent 5cbb13247f
commit e637a55e6a
5 changed files with 90 additions and 64 deletions
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27
src/lib.rs
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@ -1,7 +1,9 @@
use crate::error::{s2e, Error};
use crate::tun2proxy::Credentials;
use crate::{http::HttpManager, socks5::Socks5Manager, tun2proxy::TunToProxy};
use std::net::{SocketAddr, ToSocketAddrs};
pub mod error;
pub mod http;
pub mod socks5;
pub mod tun2proxy;
@ -15,24 +17,23 @@ pub struct Proxy {
}
impl Proxy {
pub fn from_url(s: &str) -> Result<Proxy, String> {
let url = url::Url::parse(s).map_err(|_| format!("`{s}` is not a valid proxy URL"))?;
let host = url
.host_str()
.ok_or(format!("`{s}` does not contain a host"))?;
pub fn from_url(s: &str) -> Result<Proxy, Error> {
let e = format!("`{s}` is not a valid proxy URL");
let url = url::Url::parse(s).map_err(|_| s2e(&e))?;
let e = format!("`{s}` does not contain a host");
let host = url.host_str().ok_or(s2e(&e))?;
let mut url_host = String::from(host);
let port = url.port().ok_or(format!("`{s}` does not contain a port"))?;
let e = format!("`{s}` does not contain a port");
let port = url.port().ok_or(s2e(&e))?;
url_host.push(':');
url_host.push_str(port.to_string().as_str());
let mut addr_iter = url_host
.to_socket_addrs()
.map_err(|_| format!("`{host}` could not be resolved"))?;
let e = format!("`{host}` could not be resolved");
let mut addr_iter = url_host.to_socket_addrs().map_err(|_| s2e(&e))?;
let addr = addr_iter
.next()
.ok_or(format!("`{host}` does not resolve to a usable IP address"))?;
let e = format!("`{host}` does not resolve to a usable IP address");
let addr = addr_iter.next().ok_or(s2e(&e))?;
let credentials = if url.username() == "" && url.password().is_none() {
None
@ -49,7 +50,7 @@ impl Proxy {
"http" => Some(ProxyType::Http),
_ => None,
}
.ok_or(format!("`{scheme}` is an invalid proxy type"))?;
.ok_or(s2e(&format!("`{scheme}` is an invalid proxy type")))?;
Ok(Proxy {
proxy_type,