use std::{
convert::Infallible,
sync::LazyLock,
time::{Duration, SystemTime},
};
use anyctx::AnyCtx;
use async_trait::async_trait;
use chrono::{NaiveDate, NaiveDateTime};
use geph5_broker_protocol::{puzzle::solve_puzzle, AccountLevel, ExitDescriptor, VoucherInfo};
use nanorpc::{nanorpc_derive, JrpcRequest, JrpcResponse, RpcService, RpcTransport};
use parking_lot::Mutex;
use serde::{Deserialize, Serialize};
use slab::Slab;
use tap::Tap;
use crate::{
broker_client, client::CtxField, logging::get_json_logs, stats::stat_get_num,
traffcount::TRAFF_COUNT, updates::get_update_manifest, Config,
};
#[nanorpc_derive]
#[async_trait]
pub trait ControlProtocol {
async fn conn_info(&self) -> ConnInfo;
async fn stat_num(&self, stat: String) -> f64;
async fn start_time(&self) -> SystemTime;
async fn stop(&self);
async fn recent_logs(&self) -> Vec<String>;
async fn check_secret(&self, secret: String) -> Result<bool, String>;
async fn user_info(&self, secret: String) -> Result<UserInfo, String>;
async fn start_registration(&self) -> Result<usize, String>;
async fn poll_registration(&self, idx: usize) -> Result<RegistrationProgress, String>;
async fn convert_legacy_account(
&self,
username: String,
password: String,
) -> Result<String, String>;
async fn stat_history(&self, stat: String) -> Result<Vec<f64>, String>;
async fn exit_list(&self) -> Result<Vec<ExitDescriptor>, String>;
async fn free_exit_list(&self) -> Result<Vec<ExitDescriptor>, String>;
async fn latest_news(&self, lang: String) -> Result<Vec<NewsItem>, String>;
async fn price_points(&self) -> Result<Vec<(u32, f64)>, String>;
async fn payment_methods(&self) -> Result<Vec<String>, String>;
async fn create_payment(
&self,
secret: String,
days: u32,
method: String,
) -> Result<String, String>;
async fn get_free_voucher(&self, secret: String) -> Result<Option<VoucherInfo>, String>;
async fn redeem_voucher(&self, secret: String, code: String) -> Result<i32, String>;
async fn export_debug_pack(
&self,
email: Option<String>,
contents: String,
) -> Result<(), String>;
async fn get_update_manifest(&self) -> Result<(serde_json::Value, String), String>;
}
#[derive(Serialize, Deserialize, Clone, Debug)]
#[serde(tag = "state")]
pub enum ConnInfo {
Disconnected,
Connecting,
Connected(ConnectedInfo),
}
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct ConnectedInfo {
pub protocol: String,
pub bridge: String,
pub exit: ExitDescriptor,
}
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct UserInfo {
pub user_id: u64,
pub level: AccountLevel,
pub recurring: bool,
pub expiry: Option<u64>,
}
pub struct ControlProtocolImpl {
pub ctx: AnyCtx<Config>,
}
pub static CURRENT_CONN_INFO: CtxField<Mutex<ConnInfo>> = |_| Mutex::new(ConnInfo::Disconnected);
static REGISTRATIONS: LazyLock<Mutex<Slab<RegistrationProgress>>> =
LazyLock::new(|| Mutex::new(Slab::new()));
#[derive(Serialize, Deserialize, Clone)]
pub struct RegistrationProgress {
pub progress: f64,
pub secret: Option<String>,
}
#[async_trait]
impl ControlProtocol for ControlProtocolImpl {
async fn conn_info(&self) -> ConnInfo {
self.ctx.get(CURRENT_CONN_INFO).lock().clone()
}
async fn stat_num(&self, stat: String) -> f64 {
stat_get_num(&self.ctx, &stat)
}
async fn start_time(&self) -> SystemTime {
static START_TIME: CtxField<SystemTime> = |_| SystemTime::now();
*self.ctx.get(START_TIME)
}
async fn stop(&self) {
std::thread::spawn(move || {
std::thread::sleep(Duration::from_millis(100));
std::process::exit(0);
});
}
async fn recent_logs(&self) -> Vec<String> {
get_json_logs().split("\n").map(|s| s.to_string()).collect()
}
async fn check_secret(&self, secret: String) -> Result<bool, String> {
let res = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.get_user_info_by_cred(geph5_broker_protocol::Credential::Secret(secret))
.await
.map_err(|e| format!("{:?}", e))?
.map_err(|e| format!("{:?}", e))?;
Ok(res.is_some())
}
async fn user_info(&self, secret: String) -> Result<UserInfo, String> {
let res = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.get_user_info_by_cred(geph5_broker_protocol::Credential::Secret(secret))
.await
.map_err(|e| format!("{:?}", e))?
.map_err(|e| format!("{:?}", e))?
.ok_or_else(|| "no such user".to_string())?;
Ok(UserInfo {
user_id: res.user_id,
level: if res.plus_expires_unix.is_some() {
AccountLevel::Plus
} else {
AccountLevel::Free
},
expiry: res.plus_expires_unix,
recurring: res.recurring,
})
}
async fn start_registration(&self) -> Result<usize, String> {
let (puzzle, difficulty) = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.get_puzzle()
.await
.map_err(|e| format!("{:?}", e))?;
tracing::debug!(puzzle, difficulty, "got puzzle");
let idx = REGISTRATIONS.lock().insert(RegistrationProgress {
progress: 0.0,
secret: None,
});
let ctx = self.ctx.clone();
smolscale::spawn(async move {
loop {
let fallible = async {
let solution = {
let puzzle = puzzle.clone();
smol::unblock(move || {
solve_puzzle(&puzzle, difficulty, |progress| {
REGISTRATIONS.lock()[idx] = RegistrationProgress {
progress,
secret: None,
}
})
})
.await
};
let secret = broker_client(&ctx)?
.register_user_secret(puzzle.clone(), solution)
.await?
.map_err(|e| anyhow::anyhow!(e))?;
REGISTRATIONS.lock()[idx] = RegistrationProgress {
progress: 1.0,
secret: Some(secret.clone()),
};
anyhow::Ok(secret)
};
if let Err(err) = fallible.await {
tracing::warn!(err = debug(err), "restarting registration")
} else {
break;
}
}
})
.detach();
Ok(idx)
}
async fn poll_registration(&self, idx: usize) -> Result<RegistrationProgress, String> {
tracing::debug!(idx, "polling registration");
let registers = REGISTRATIONS.lock();
registers
.get(idx)
.cloned()
.ok_or_else(|| "no such registration".to_string())
}
async fn convert_legacy_account(
&self,
username: String,
password: String,
) -> Result<String, String> {
Ok(broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.upgrade_to_secret(geph5_broker_protocol::Credential::LegacyUsernamePassword {
username,
password,
})
.await
.map_err(|e| format!("{:?}", e))?
.map_err(|e| format!("{:?}", e))?)
}
async fn stat_history(&self, stat: String) -> Result<Vec<f64>, String> {
if stat != "traffic" {
return Err(format!("bad: {stat}"));
}
Ok(self.ctx.get(TRAFF_COUNT).read().unwrap().speed_history())
}
async fn exit_list(&self) -> Result<Vec<ExitDescriptor>, String> {
let resp = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.get_exits()
.await
.map_err(|e| format!("{:?}", e))?
.map_err(|e| format!("{:?}", e))?;
Ok(resp.inner.all_exits.iter().map(|s| s.1.clone()).collect())
}
async fn free_exit_list(&self) -> Result<Vec<ExitDescriptor>, String> {
let resp = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.get_free_exits()
.await
.map_err(|e| format!("{:?}", e))?
.map_err(|e| format!("{:?}", e))?;
Ok(resp
.inner
.all_exits
.iter()
.map(|s| s.1.clone().tap_mut(|e| e.load = e.load.powf(0.5)))
.collect())
}
async fn latest_news(&self, lang: String) -> Result<Vec<NewsItem>, String> {
let (manifest, _) = get_update_manifest().await.map_err(|e| e.to_string())?;
let news = manifest["news"]
.as_array()
.ok_or_else(|| "No news array".to_string())?;
let mut out = Vec::new();
for item in news {
let important = item["important"].as_bool().unwrap_or_default();
let date_str = item["date"]
.as_str()
.ok_or_else(|| "No or invalid 'date' field in news item".to_string())?;
let naive_date = NaiveDate::parse_from_str(date_str, "%Y-%m-%d")
.map_err(|_| format!("Invalid date format: {}", date_str))?;
let naive_dt: NaiveDateTime = naive_date
.and_hms_opt(0, 0, 0)
.ok_or_else(|| "Unable to create NaiveDateTime from date".to_string())?;
let date_unix = naive_dt.and_utc().timestamp() as u64;
let localized = item[&lang]
.as_object()
.ok_or_else(|| format!("No localized data for language '{}'", lang))?;
let title = localized["title"]
.as_str()
.ok_or_else(|| "Missing 'title' in localized news data".to_string())?;
let contents = localized["contents"]
.as_str()
.ok_or_else(|| "Missing 'contents' in localized news data".to_string())?;
out.push(NewsItem {
title: title.to_string(),
date_unix,
contents: contents.to_string(),
important,
});
}
Ok(out)
}
async fn get_free_voucher(&self, secret: String) -> Result<Option<VoucherInfo>, String> {
let client = broker_client(&self.ctx).map_err(|e| format!("{:?}", e))?;
Ok(client
.get_free_voucher(secret)
.await
.map_err(|s| s.to_string())?
.map_err(|s| s.to_string())?)
}
async fn redeem_voucher(&self, secret: String, code: String) -> Result<i32, String> {
let client = broker_client(&self.ctx).map_err(|e| format!("{:?}", e))?;
client
.redeem_voucher(secret, code)
.await
.map_err(|s| s.to_string())?
.map_err(|s| s.to_string())
}
async fn price_points(&self) -> Result<Vec<(u32, f64)>, String> {
let client = broker_client(&self.ctx).map_err(|e| format!("{:?}", e))?;
Ok(client
.raw_price_points()
.await
.map_err(|s| s.to_string())?
.map_err(|s| s.to_string())?
.into_iter()
.map(|(a, b)| (a, b as f64 / 100.0))
.collect())
}
async fn payment_methods(&self) -> Result<Vec<String>, String> {
let client = broker_client(&self.ctx).map_err(|e| format!("{:?}", e))?;
Ok(client
.payment_methods()
.await
.map_err(|s| s.to_string())?
.map_err(|s| s.to_string())?)
}
async fn create_payment(
&self,
secret: String,
days: u32,
method: String,
) -> Result<String, String> {
let client = broker_client(&self.ctx).map_err(|e| format!("{:?}", e))?;
Ok(client
.create_payment(secret, days, method)
.await
.map_err(|s| s.to_string())?
.map_err(|s| s.to_string())?)
}
async fn export_debug_pack(
&self,
email: Option<String>,
contents: String,
) -> Result<(), String> {
let client = broker_client(&self.ctx).map_err(|e| format!("{:?}", e))?;
client
.upload_debug_pack(email, contents)
.await
.map_err(|s| s.to_string())?
.map_err(|s| s.to_string())?;
Ok(())
}
async fn get_update_manifest(&self) -> Result<(serde_json::Value, String), String> {
get_update_manifest().await.map_err(|e| format!("{:?}", e))
}
}
pub struct DummyControlProtocolTransport(pub ControlService<ControlProtocolImpl>);
#[async_trait]
impl RpcTransport for DummyControlProtocolTransport {
type Error = Infallible;
async fn call_raw(&self, req: JrpcRequest) -> Result<JrpcResponse, Self::Error> {
Ok(self.0.respond_raw(req).await)
}
}
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct NewsItem {
pub title: String,
pub date_unix: u64,
pub contents: String,
pub important: bool,
}