Files
Stalwart/crates/common/src/manager/mod.rs
2025-01-02 15:43:00 +01:00

116 lines
3.5 KiB
Rust

/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use std::time::Duration;
use hyper::HeaderMap;
use utils::HttpLimitResponse;
use crate::USER_AGENT;
use self::config::ConfigManager;
pub mod backup;
pub mod boot;
pub mod config;
pub mod console;
pub mod reload;
pub mod restore;
pub mod webadmin;
const DEFAULT_SPAMFILTER_URL: &str =
"https://github.com/stalwartlabs/spam-filter/releases/latest/download/spam-filter.toml";
const DEFAULT_WEBADMIN_URL: &str =
"https://github.com/stalwartlabs/webadmin/releases/latest/download/webadmin.zip";
pub const WEBADMIN_KEY: &[u8] = "STALWART_WEBADMIN".as_bytes();
impl ConfigManager {
pub async fn fetch_resource(&self, resource_id: &str) -> Result<Vec<u8>, String> {
if let Some(url) = self
.get(&format!("{resource_id}.resource"))
.await
.map_err(|err| {
format!("Failed to fetch configuration key '{resource_id}.resource': {err}",)
})?
{
fetch_resource(&url, None, Duration::from_secs(60), MAX_SIZE).await
} else {
match resource_id {
"spam-filter" => {
fetch_resource(
DEFAULT_SPAMFILTER_URL,
None,
Duration::from_secs(60),
MAX_SIZE,
)
.await
}
"webadmin" => {
fetch_resource(
DEFAULT_WEBADMIN_URL,
None,
Duration::from_secs(60),
MAX_SIZE,
)
.await
}
_ => Err(format!("Unknown resource: {resource_id}")),
}
}
}
}
const MAX_SIZE: usize = 100 * 1024 * 1024;
pub async fn fetch_resource(
url: &str,
headers: Option<HeaderMap>,
timeout: Duration,
max_size: usize,
) -> Result<Vec<u8>, String> {
if let Some(path) = url.strip_prefix("file://") {
tokio::fs::read(path)
.await
.map_err(|err| format!("Failed to read {path}: {err}"))
} else {
let response = reqwest::Client::builder()
.timeout(timeout)
.danger_accept_invalid_certs(is_localhost_url(url))
.user_agent(USER_AGENT)
.build()
.unwrap_or_default()
.get(url)
.headers(headers.unwrap_or_default())
.send()
.await
.map_err(|err| format!("Failed to fetch {url}: {err}"))?;
if response.status().is_success() {
response
.bytes_with_limit(max_size)
.await
.map_err(|err| format!("Failed to fetch {url}: {err}"))
.and_then(|bytes| bytes.ok_or_else(|| format!("Resource too large: {url}")))
} else {
let code = response.status().canonical_reason().unwrap_or_default();
let reason = response.text().await.unwrap_or_default();
Err(format!(
"Failed to fetch {url}: Code: {code}, Details: {reason}",
))
}
}
}
pub fn is_localhost_url(url: &str) -> bool {
url.split_once("://")
.map(|(_, url)| url.split_once('/').map_or(url, |(host, _)| host))
.map_or(false, |host| {
let host = host.rsplit_once(':').map_or(host, |(host, _)| host);
host == "localhost" || host == "127.0.0.1" || host == "[::1]"
})
}