331 lines
8.9 KiB
Rust
331 lines
8.9 KiB
Rust
use std::collections::HashSet;
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use anyhow::{bail, Error};
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use openssl::ssl::{SslAcceptor, SslMethod};
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use serde::{Deserialize, Serialize};
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use proxmox_schema::{api, ApiStringFormat, ApiType, Updater};
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use proxmox_http::ProxyConfig;
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use pbs_api_types::{
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EMAIL_SCHEMA, MULTI_LINE_COMMENT_SCHEMA, OPENSSL_CIPHERS_TLS_1_2_SCHEMA,
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OPENSSL_CIPHERS_TLS_1_3_SCHEMA,
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};
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use pbs_buildcfg::configdir;
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use pbs_config::{open_backup_lockfile, BackupLockGuard};
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use crate::acme::AcmeClient;
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use crate::api2::types::{
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AcmeAccountName, AcmeDomain, ACME_DOMAIN_PROPERTY_SCHEMA, HTTP_PROXY_SCHEMA,
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};
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const CONF_FILE: &str = configdir!("/node.cfg");
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const LOCK_FILE: &str = configdir!("/.node.lck");
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pub fn lock() -> Result<BackupLockGuard, Error> {
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open_backup_lockfile(LOCK_FILE, None, true)
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}
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/// Read the Node Config.
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pub fn config() -> Result<(NodeConfig, [u8; 32]), Error> {
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let content =
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proxmox_sys::fs::file_read_optional_string(CONF_FILE)?.unwrap_or_else(|| "".to_string());
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let digest = openssl::sha::sha256(content.as_bytes());
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let data: NodeConfig = crate::tools::config::from_str(&content, &NodeConfig::API_SCHEMA)?;
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Ok((data, digest))
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}
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/// Write the Node Config, requires the write lock to be held.
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pub fn save_config(config: &NodeConfig) -> Result<(), Error> {
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config.validate()?;
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let raw = crate::tools::config::to_bytes(config, &NodeConfig::API_SCHEMA)?;
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pbs_config::replace_backup_config(CONF_FILE, &raw)
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}
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#[api(
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properties: {
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account: { type: AcmeAccountName },
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}
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)]
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#[derive(Deserialize, Serialize)]
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/// The ACME configuration.
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///
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/// Currently only contains the name of the account use.
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pub struct AcmeConfig {
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/// Account to use to acquire ACME certificates.
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account: AcmeAccountName,
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}
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/// All available languages in Proxmox. Taken from proxmox-i18n repository.
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/// pt_BR, zh_CN, and zh_TW use the same case in the translation files.
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// TODO: auto-generate from available translations
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#[api]
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#[derive(Serialize, Deserialize)]
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#[serde(rename_all = "lowercase")]
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pub enum Translation {
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/// Arabic
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Ar,
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/// Catalan
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Ca,
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/// Danish
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Da,
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/// German
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De,
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/// English
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En,
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/// Spanish
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Es,
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/// Euskera
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Eu,
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/// Persian (Farsi)
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Fa,
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/// French
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Fr,
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/// Galician
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Gl,
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/// Hebrew
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He,
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/// Hungarian
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Hu,
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/// Italian
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It,
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/// Japanese
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Ja,
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/// Korean
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Kr,
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/// Norwegian (Bokmal)
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Nb,
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/// Dutch
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Nl,
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/// Norwegian (Nynorsk)
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Nn,
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/// Polish
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Pl,
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/// Portuguese (Brazil)
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#[serde(rename = "pt_BR")]
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PtBr,
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/// Russian
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Ru,
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/// Slovenian
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Sl,
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/// Swedish
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Sv,
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/// Turkish
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Tr,
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/// Chinese (simplified)
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#[serde(rename = "zh_CN")]
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ZhCn,
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/// Chinese (traditional)
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#[serde(rename = "zh_TW")]
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ZhTw,
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}
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#[api(
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properties: {
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acme: {
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optional: true,
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type: String,
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format: &ApiStringFormat::PropertyString(&AcmeConfig::API_SCHEMA),
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},
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acmedomain0: {
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schema: ACME_DOMAIN_PROPERTY_SCHEMA,
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optional: true,
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},
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acmedomain1: {
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schema: ACME_DOMAIN_PROPERTY_SCHEMA,
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optional: true,
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},
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acmedomain2: {
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schema: ACME_DOMAIN_PROPERTY_SCHEMA,
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optional: true,
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},
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acmedomain3: {
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schema: ACME_DOMAIN_PROPERTY_SCHEMA,
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optional: true,
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},
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acmedomain4: {
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schema: ACME_DOMAIN_PROPERTY_SCHEMA,
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optional: true,
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},
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"http-proxy": {
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schema: HTTP_PROXY_SCHEMA,
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optional: true,
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},
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"email-from": {
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schema: EMAIL_SCHEMA,
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optional: true,
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},
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"ciphers-tls-1.3": {
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schema: OPENSSL_CIPHERS_TLS_1_3_SCHEMA,
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optional: true,
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},
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"ciphers-tls-1.2": {
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schema: OPENSSL_CIPHERS_TLS_1_2_SCHEMA,
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optional: true,
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},
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"default-lang" : {
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schema: Translation::API_SCHEMA,
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optional: true,
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},
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"description" : {
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optional: true,
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schema: MULTI_LINE_COMMENT_SCHEMA,
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}
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},
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)]
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#[derive(Deserialize, Serialize, Updater)]
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#[serde(rename_all = "kebab-case")]
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/// Node specific configuration.
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pub struct NodeConfig {
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/// The acme account to use on this node.
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#[serde(skip_serializing_if = "Option::is_none")]
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pub acme: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub acmedomain0: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub acmedomain1: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub acmedomain2: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub acmedomain3: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub acmedomain4: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub http_proxy: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub email_from: Option<String>,
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/// List of TLS ciphers for TLS 1.3 that will be used by the proxy. (Proxy has to be restarted for changes to take effect)
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#[serde(skip_serializing_if = "Option::is_none", rename = "ciphers-tls-1.3")]
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pub ciphers_tls_1_3: Option<String>,
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/// List of TLS ciphers for TLS <= 1.2 that will be used by the proxy. (Proxy has to be restarted for changes to take effect)
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#[serde(skip_serializing_if = "Option::is_none", rename = "ciphers-tls-1.2")]
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pub ciphers_tls_1_2: Option<String>,
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/// Default language used in the GUI
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#[serde(skip_serializing_if = "Option::is_none")]
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pub default_lang: Option<String>,
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/// Node description
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#[serde(skip_serializing_if = "Option::is_none")]
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pub description: Option<String>,
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/// Maximum days to keep Task logs
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#[serde(skip_serializing_if = "Option::is_none")]
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pub task_log_max_days: Option<usize>,
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}
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impl NodeConfig {
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pub fn acme_config(&self) -> Option<Result<AcmeConfig, Error>> {
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self.acme.as_deref().map(|config| -> Result<_, Error> {
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Ok(crate::tools::config::from_property_string(
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config,
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&AcmeConfig::API_SCHEMA,
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)?)
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})
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}
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pub async fn acme_client(&self) -> Result<AcmeClient, Error> {
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let account = if let Some(cfg) = self.acme_config().transpose()? {
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cfg.account
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} else {
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AcmeAccountName::from_string("default".to_string())? // should really not happen
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};
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AcmeClient::load(&account).await
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}
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pub fn acme_domains(&self) -> AcmeDomainIter {
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AcmeDomainIter::new(self)
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}
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/// Returns the parsed ProxyConfig
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pub fn http_proxy(&self) -> Option<ProxyConfig> {
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if let Some(http_proxy) = &self.http_proxy {
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match ProxyConfig::parse_proxy_url(http_proxy) {
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Ok(proxy) => Some(proxy),
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Err(_) => None,
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}
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} else {
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None
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}
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}
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/// Sets the HTTP proxy configuration
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pub fn set_http_proxy(&mut self, http_proxy: Option<String>) {
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self.http_proxy = http_proxy;
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}
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/// Validate the configuration.
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pub fn validate(&self) -> Result<(), Error> {
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let mut domains = HashSet::new();
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for domain in self.acme_domains() {
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let domain = domain?;
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if !domains.insert(domain.domain.to_lowercase()) {
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bail!("duplicate domain '{}' in ACME config", domain.domain);
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}
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}
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let mut dummy_acceptor = SslAcceptor::mozilla_intermediate_v5(SslMethod::tls()).unwrap();
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if let Some(ciphers) = self.ciphers_tls_1_3.as_deref() {
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dummy_acceptor.set_ciphersuites(ciphers)?;
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}
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if let Some(ciphers) = self.ciphers_tls_1_2.as_deref() {
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dummy_acceptor.set_cipher_list(ciphers)?;
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}
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Ok(())
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}
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}
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pub struct AcmeDomainIter<'a> {
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config: &'a NodeConfig,
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index: usize,
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}
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impl<'a> AcmeDomainIter<'a> {
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fn new(config: &'a NodeConfig) -> Self {
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Self { config, index: 0 }
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}
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}
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impl<'a> Iterator for AcmeDomainIter<'a> {
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type Item = Result<AcmeDomain, Error>;
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fn next(&mut self) -> Option<Self::Item> {
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let domain = loop {
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let index = self.index;
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self.index += 1;
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let domain = match index {
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0 => self.config.acmedomain0.as_deref(),
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1 => self.config.acmedomain1.as_deref(),
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2 => self.config.acmedomain2.as_deref(),
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3 => self.config.acmedomain3.as_deref(),
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4 => self.config.acmedomain4.as_deref(),
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_ => return None,
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};
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if let Some(domain) = domain {
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break domain;
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}
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};
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Some(crate::tools::config::from_property_string(
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domain,
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&AcmeDomain::API_SCHEMA,
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))
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}
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}
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