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use crate::{connector::Connection, executor::Executor};
use remote_control_rs::tasks::NETWORK_T;
use reqwest::{
Error, StatusCode, Url,
blocking::{Client, RequestBuilder},
};
use std::{net::IpAddr, thread::sleep, time::Duration};
#[derive(Debug)]
pub enum HTTPConnectorError {
Url(url::ParseError),
Reqwest(reqwest::Error),
}
impl From<url::ParseError> for HTTPConnectorError {
fn from(e: url::ParseError) -> Self {
HTTPConnectorError::Url(e)
}
}
impl From<reqwest::Error> for HTTPConnectorError {
fn from(e: reqwest::Error) -> Self {
HTTPConnectorError::Reqwest(e)
}
}
pub struct HTTPConnector {
network_enforcer: Executor<'static, 'static>,
pull_url: Url,
ntfy_url: Url,
ip_getter_url: Url,
client: Client,
prev: <HTTPConnector as Connection>::Ok,
}
impl HTTPConnector {
pub fn new(pull_url: &str, ntfy_url: &str, ip_getter_url: &str) -> std::result::Result<Self, HTTPConnectorError> {
Ok(Self {
network_enforcer: Executor::new(&NETWORK_T, ["true"]).unwrap(), // .unwrap() should never panic
prev: String::new(),
pull_url: Url::parse(pull_url)?,
ntfy_url: Url::parse(ntfy_url)?,
ip_getter_url: match Url::parse(ip_getter_url) {
Ok(url) => url,
Err(_) => Url::parse((pull_url.to_string() + ip_getter_url).as_str())?,
},
client: match Client::builder().build() {
Ok(c) => c,
Err(_) => match Client::builder().danger_accept_invalid_certs(true).build() {
Ok(c) => c,
Err(_) => Client::builder().danger_accept_invalid_certs(true).danger_accept_invalid_hostnames(true).build()?,
},
},
})
}
#[allow(clippy::only_used_in_recursion)]
fn handle_response<F: Fn() -> RequestBuilder>(&self, req: F) -> Result<<HTTPConnector as Connection>::Ok, <HTTPConnector as Connection>::Err> {
match req().send() {
Ok(resp) => match resp.status() {
StatusCode::TOO_MANY_REQUESTS => {
sleep(Duration::from_secs(5));
self.handle_response(req)
}
status => {
if !status.is_success() {
return Result::Err(Err::StatusCode(status));
}
match resp.text() {
Ok(text) => Result::Ok(text),
Err(e) => Result::Err(Err::Reqwest(e)),
}
}
},
Err(e) => Result::Err(Err::Reqwest(e)),
}
}
}
#[derive(Debug)]
pub enum Err {
Reqwest(Error),
StatusCode(StatusCode),
}
impl std::fmt::Display for Err {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Err::Reqwest(e) => e.fmt(f),
Err::StatusCode(e) => e.fmt(f),
}
}
}
impl Connection for HTTPConnector {
type Err = Err;
// consider StatusCode::NOT_MODIFIED
fn update(&self) -> Result<Self::Ok, Self::Err> {
self.handle_response(|| self.client.get(self.pull_url.as_str()))
}
fn ntfy(&self, data: String) -> std::result::Result<(), Self::Err> {
self.handle_response(|| self.client.post(self.ntfy_url.as_str()).body(data.to_owned()))?;
Ok(())
}
fn is_prev(&mut self, str: &Self::Ok) -> bool {
if str == &self.prev {
return true;
} else {
self.prev = str.to_owned()
}
false
}
fn force_network(&mut self) {
_ = self.network_enforcer.run();
}
fn get_ip(&self) -> Option<IpAddr> {
match self.handle_response(|| self.client.get(self.ip_getter_url.as_str())) {
Result::Ok(ip) => Some(ip.parse().ok()?),
Result::Err(_) => match self.handle_response(|| self.client.get("ifconfig.me")) {
Ok(ip) => Some(ip.parse().ok()?),
Err(_) => None,
},
}
}
}
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