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use anyhow::{Context, Result};
use nostr::{FromBech32, PublicKey, ToBech32};
use serde::Deserialize;
use std::path::PathBuf;
#[derive(Debug, Deserialize)]
pub struct AppConfig {
pub discovery: DiscoveryConfig,
pub servers: ServersConfig,
pub storage: StorageConfig,
pub signing: Option<SigningConfig>,
pub nip46: Option<Nip46Config>,
}
#[derive(Debug, Deserialize)]
pub struct DiscoveryConfig {
pub index_relays: Vec<String>,
#[serde(default = "default_poll_interval")]
pub poll_interval_secs: u64,
}
fn default_poll_interval() -> u64 {
300
}
#[derive(Debug, Deserialize)]
pub struct ServersConfig {
pub known: Vec<String>,
}
#[derive(Debug, Deserialize)]
pub struct StorageConfig {
#[serde(default = "default_mirror_dir")]
pub mirror_dir: PathBuf,
#[serde(default = "default_database")]
pub database: PathBuf,
#[serde(default = "default_health_port")]
pub health_port: u16,
}
fn default_health_port() -> u16 {
7335
}
fn default_mirror_dir() -> PathBuf {
dirs::data_dir()
.unwrap_or_else(|| PathBuf::from("."))
.join("grasp-mirror")
.join("repos")
}
fn default_database() -> PathBuf {
dirs::data_dir()
.unwrap_or_else(|| PathBuf::from("."))
.join("grasp-mirror")
.join("mirror.db")
}
#[derive(Debug, Deserialize)]
pub struct SigningConfig {
pub key_file: PathBuf,
}
#[derive(Debug, Deserialize)]
pub struct Nip46Config {
pub relays: Vec<String>,
#[serde(default = "default_signing_timeout")]
pub signing_timeout_secs: u64,
}
fn default_signing_timeout() -> u64 {
604800
}
pub struct ResolvedConfig {
pub discovery: DiscoveryConfig,
pub servers: ServersConfig,
pub storage: StorageConfig,
pub signing: Option<SigningConfig>,
pub nip46: Option<Nip46Config>,
pub npubs: Vec<PublicKey>,
}
impl ResolvedConfig {
pub fn load(config_path: &PathBuf) -> Result<Self> {
let _ = dotenvy::dotenv();
let config_str = std::fs::read_to_string(config_path)
.with_context(|| format!("failed to read config from {:?}", config_path))?;
let app: AppConfig = toml::from_str(&config_str).context("failed to parse config.toml")?;
let npubs = Self::load_npubs()?;
std::fs::create_dir_all(&app.storage.mirror_dir)
.context("failed to create mirror directory")?;
if let Some(parent) = app.storage.database.parent() {
std::fs::create_dir_all(parent).context("failed to create database directory")?;
}
Ok(Self {
discovery: app.discovery,
servers: app.servers,
storage: app.storage,
signing: app.signing,
nip46: app.nip46,
npubs,
})
}
fn load_npubs() -> Result<Vec<PublicKey>> {
let raw = std::env::var("MIRROR_NPUBS").unwrap_or_default();
let mut npubs = Vec::new();
for entry in raw.split(',').map(|s| s.trim()).filter(|s| !s.is_empty()) {
let pk = if entry.starts_with("npub1") {
PublicKey::from_bech32(entry)
.with_context(|| format!("invalid npub: {}", entry))?
} else {
let bytes = hex::decode(entry)
.with_context(|| format!("invalid hex pubkey: {}", entry))?;
PublicKey::from_slice(&bytes)
.with_context(|| format!("invalid pubkey bytes: {}", entry))?
};
npubs.push(pk);
}
if npubs.is_empty() {
tracing::warn!("MIRROR_NPUBS is empty — no pubkeys to mirror");
}
Ok(npubs)
}
pub fn relay_urls(&self) -> Vec<String> {
let mut relays = self.discovery.index_relays.clone();
for server in &self.servers.known {
let relay = format!(
"wss://{}",
server
.trim_start_matches("https://")
.trim_start_matches("http://")
);
if !relays.contains(&relay) {
relays.push(relay);
}
}
relays
}
}
|