137 lines
4.0 KiB
Rust
137 lines
4.0 KiB
Rust
use anyhow::{Error};
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use lazy_static::lazy_static;
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use std::collections::HashMap;
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use serde::{Serialize, Deserialize};
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use proxmox::api::{
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api,
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schema::*,
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section_config::{
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SectionConfig,
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SectionConfigData,
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SectionConfigPlugin,
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}
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};
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use pbs_api_types::{REALM_ID_SCHEMA, SINGLE_LINE_COMMENT_SCHEMA};
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use crate::{open_backup_lockfile, replace_backup_config, BackupLockGuard};
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lazy_static! {
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pub static ref CONFIG: SectionConfig = init();
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}
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#[api()]
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#[derive(Eq, PartialEq, Debug, Serialize, Deserialize)]
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#[serde(rename_all = "lowercase")]
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/// Use the value of this attribute/claim as unique user name. It is
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/// up to the identity provider to guarantee the uniqueness. The
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/// OpenID specification only guarantees that Subject ('sub') is unique. Also
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/// make sure that the user is not allowed to change that attribute by
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/// himself!
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pub enum OpenIdUserAttribute {
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/// Subject (OpenId 'sub' claim)
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Subject,
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/// Username (OpenId 'preferred_username' claim)
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Username,
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/// Email (OpenId 'email' claim)
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Email,
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}
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#[api(
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properties: {
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realm: {
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schema: REALM_ID_SCHEMA,
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},
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"client-key": {
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optional: true,
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},
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comment: {
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optional: true,
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schema: SINGLE_LINE_COMMENT_SCHEMA,
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},
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autocreate: {
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optional: true,
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default: false,
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},
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"username-claim": {
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type: OpenIdUserAttribute,
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optional: true,
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},
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},
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)]
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#[derive(Serialize,Deserialize,Updater)]
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#[serde(rename_all="kebab-case")]
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/// OpenID configuration properties.
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pub struct OpenIdRealmConfig {
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#[updater(skip)]
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pub realm: String,
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/// OpenID Issuer Url
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pub issuer_url: String,
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/// OpenID Client ID
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pub client_id: String,
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/// OpenID Client Key
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#[serde(skip_serializing_if="Option::is_none")]
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pub client_key: Option<String>,
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#[serde(skip_serializing_if="Option::is_none")]
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pub comment: Option<String>,
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/// Automatically create users if they do not exist.
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#[serde(skip_serializing_if="Option::is_none")]
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pub autocreate: Option<bool>,
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#[updater(skip)]
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#[serde(skip_serializing_if="Option::is_none")]
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pub username_claim: Option<OpenIdUserAttribute>,
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}
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fn init() -> SectionConfig {
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let obj_schema = match OpenIdRealmConfig::API_SCHEMA {
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Schema::Object(ref obj_schema) => obj_schema,
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_ => unreachable!(),
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};
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let plugin = SectionConfigPlugin::new("openid".to_string(), Some(String::from("realm")), obj_schema);
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let mut config = SectionConfig::new(&REALM_ID_SCHEMA);
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config.register_plugin(plugin);
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config
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}
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pub const DOMAINS_CFG_FILENAME: &str = "/etc/proxmox-backup/domains.cfg";
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pub const DOMAINS_CFG_LOCKFILE: &str = "/etc/proxmox-backup/.domains.lck";
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/// Get exclusive lock
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pub fn lock_config() -> Result<BackupLockGuard, Error> {
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open_backup_lockfile(DOMAINS_CFG_LOCKFILE, None, true)
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}
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pub fn config() -> Result<(SectionConfigData, [u8;32]), Error> {
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let content = proxmox::tools::fs::file_read_optional_string(DOMAINS_CFG_FILENAME)?
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.unwrap_or_else(|| "".to_string());
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let digest = openssl::sha::sha256(content.as_bytes());
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let data = CONFIG.parse(DOMAINS_CFG_FILENAME, &content)?;
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Ok((data, digest))
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}
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pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {
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let raw = CONFIG.write(DOMAINS_CFG_FILENAME, &config)?;
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replace_backup_config(DOMAINS_CFG_FILENAME, raw.as_bytes())
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}
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// shell completion helper
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pub fn complete_realm_name(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
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match config() {
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Ok((data, _digest)) => data.sections.iter().map(|(id, _)| id.to_string()).collect(),
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Err(_) => return vec![],
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}
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}
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pub fn complete_openid_realm_name(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
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match config() {
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Ok((data, _digest)) => data.sections.iter()
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.filter_map(|(id, (t, _))| if t == "openid" { Some(id.to_string()) } else { None })
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.collect(),
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Err(_) => return vec![],
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}
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}
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