Ultradesu
538 lines
18 KiB
Rust
538 lines
18 KiB
Rust
/// Application-level configuration for furumusic.
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///
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/// Every field is available both as a `FURU_`-prefixed environment variable
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/// and through the admin UI. The resolution order is:
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///
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/// env var > DB override > compiled default
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///
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/// Adding a new field to [`AppConfig`] automatically makes it settable via
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/// the `FURU_<FIELD_NAME>` env var thanks to the [`impl_env_overrides`] macro.
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use std::collections::HashMap;
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use cot::db::migrations::{self, Field, Operation, SyncDynMigration};
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use cot::db::{Database, DatabaseField, Identifier, LimitedString, Model};
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use serde::{Deserialize, Serialize};
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// ---------------------------------------------------------------------------
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// ConfigSource — tracks where each field's effective value came from
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// ---------------------------------------------------------------------------
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum ConfigSource {
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Default,
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Database,
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Env,
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}
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impl ConfigSource {
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pub fn code(self) -> &'static str {
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match self {
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Self::Default => "default",
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Self::Database => "database",
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Self::Env => "env",
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}
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}
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}
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// ---------------------------------------------------------------------------
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// ConfigEntry — DB model for the furu__config table
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// ---------------------------------------------------------------------------
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#[derive(Debug, Clone)]
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#[cot::db::model]
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pub struct ConfigEntry {
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#[model(primary_key)]
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key: String,
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value: String,
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}
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impl ConfigEntry {
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pub fn new(key: String, value: String) -> Self {
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Self { key, value }
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}
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}
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// ---------------------------------------------------------------------------
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// Migration
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// ---------------------------------------------------------------------------
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pub mod db_migrations {
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use super::*;
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#[derive(Debug, Copy, Clone)]
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pub struct M0001CreateConfig;
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impl migrations::Migration for M0001CreateConfig {
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const APP_NAME: &'static str = "furumusic";
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const MIGRATION_NAME: &'static str = "m_0001_create_config";
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const DEPENDENCIES: &'static [migrations::MigrationDependency] = &[];
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const OPERATIONS: &'static [Operation] = &[Operation::create_model()
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.table_name(Identifier::new("furu__config"))
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.fields(&[
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Field::new(
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Identifier::new("key"),
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<LimitedString<255> as DatabaseField>::TYPE,
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)
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.primary_key()
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.set_null(<LimitedString<255> as DatabaseField>::NULLABLE),
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Field::new(Identifier::new("value"), <String as DatabaseField>::TYPE)
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.set_null(<String as DatabaseField>::NULLABLE),
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])
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.build()];
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}
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// -- M0002: rename furu__config → furumusic__config_entry ---------------
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#[cot::db::migrations::migration_op]
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async fn rename_config_table(ctx: migrations::MigrationContext<'_>) -> cot::db::Result<()> {
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ctx.db
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.raw("ALTER TABLE furu__config RENAME TO furumusic__config_entry")
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.await?;
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Ok(())
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}
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#[derive(Debug, Copy, Clone)]
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pub struct M0002RenameConfigTable;
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impl migrations::Migration for M0002RenameConfigTable {
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const APP_NAME: &'static str = "furumusic";
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const MIGRATION_NAME: &'static str = "m_0002_rename_config_table";
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const DEPENDENCIES: &'static [migrations::MigrationDependency] =
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&[migrations::MigrationDependency::migration(
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"furumusic",
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"m_0001_create_config",
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)];
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const OPERATIONS: &'static [Operation] = &[Operation::custom(rename_config_table).build()];
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}
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pub const MIGRATIONS: &[&SyncDynMigration] = &[&M0001CreateConfig, &M0002RenameConfigTable];
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}
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// ---------------------------------------------------------------------------
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// ConfigSources — parallel struct tracking the source of each field
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// ---------------------------------------------------------------------------
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pub struct ConfigSources {
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pub database_url: ConfigSource,
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pub oidc_issuer: ConfigSource,
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pub oidc_client_id: ConfigSource,
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pub oidc_client_secret: ConfigSource,
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pub log_level: ConfigSource,
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pub auth_password_enabled: ConfigSource,
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pub auth_sso_enabled: ConfigSource,
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pub oidc_button_text: ConfigSource,
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pub oidc_admin_groups: ConfigSource,
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pub oidc_user_groups: ConfigSource,
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pub swagger_enabled: ConfigSource,
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pub agent_enabled: ConfigSource,
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pub agent_inbox_dir: ConfigSource,
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pub agent_storage_dir: ConfigSource,
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pub agent_llm_url: ConfigSource,
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pub agent_llm_model: ConfigSource,
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pub agent_llm_auth: ConfigSource,
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pub agent_confidence_threshold: ConfigSource,
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pub agent_context_limit: ConfigSource,
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pub agent_concurrency: ConfigSource,
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pub lastfm_api_key: ConfigSource,
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pub lastfm_shared_secret: ConfigSource,
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}
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impl Default for ConfigSources {
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fn default() -> Self {
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Self {
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database_url: ConfigSource::Default,
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oidc_issuer: ConfigSource::Default,
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oidc_client_id: ConfigSource::Default,
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oidc_client_secret: ConfigSource::Default,
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log_level: ConfigSource::Default,
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auth_password_enabled: ConfigSource::Default,
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auth_sso_enabled: ConfigSource::Default,
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oidc_button_text: ConfigSource::Default,
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oidc_admin_groups: ConfigSource::Default,
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oidc_user_groups: ConfigSource::Default,
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swagger_enabled: ConfigSource::Default,
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agent_enabled: ConfigSource::Default,
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agent_inbox_dir: ConfigSource::Default,
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agent_storage_dir: ConfigSource::Default,
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agent_llm_url: ConfigSource::Default,
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agent_llm_model: ConfigSource::Default,
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agent_llm_auth: ConfigSource::Default,
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agent_confidence_threshold: ConfigSource::Default,
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agent_context_limit: ConfigSource::Default,
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agent_concurrency: ConfigSource::Default,
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lastfm_api_key: ConfigSource::Default,
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lastfm_shared_secret: ConfigSource::Default,
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Env-var helper
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// ---------------------------------------------------------------------------
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/// Read a single env var with the `FURU_` prefix, returning `None` when the
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/// variable is absent and logging a warning when it is present but cannot be
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/// parsed.
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fn env_override<T: std::str::FromStr>(field: &str) -> Option<T> {
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let key = format!("FURU_{}", field.to_ascii_uppercase());
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match std::env::var(&key) {
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Ok(val) => match val.parse::<T>() {
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Ok(v) => Some(v),
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Err(_) => {
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tracing::warn!("ignoring invalid value for {key}: {val:?}");
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None
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}
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},
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Err(_) => None,
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}
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}
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// ---------------------------------------------------------------------------
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// Macro: generates apply_env_overrides + apply_env_overrides_tracked
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// ---------------------------------------------------------------------------
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/// Generates two methods on [`AppConfig`]:
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///
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/// - `apply_env_overrides`: overwrites fields from `FURU_*` env vars (no source tracking).
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/// - `apply_env_overrides_tracked`: same but also marks sources as [`ConfigSource::Env`].
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macro_rules! impl_env_overrides {
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($($field:ident),* $(,)?) => {
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impl AppConfig {
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/// Apply `FURU_*` environment variable overrides to self.
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pub fn apply_env_overrides(&mut self) {
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$(
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if let Some(v) = env_override(stringify!($field)) {
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self.$field = v;
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}
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)*
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}
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/// Apply `FURU_*` environment variable overrides and record sources.
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pub fn apply_env_overrides_tracked(&mut self, sources: &mut ConfigSources) {
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$(
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if let Some(v) = env_override(stringify!($field)) {
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self.$field = v;
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sources.$field = ConfigSource::Env;
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}
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)*
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}
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}
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};
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}
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// ---------------------------------------------------------------------------
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// AppConfig
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// ---------------------------------------------------------------------------
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct AppConfig {
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/// PostgreSQL connection URL.
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pub database_url: String,
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/// OIDC issuer URL.
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pub oidc_issuer: String,
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/// OIDC client ID.
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pub oidc_client_id: String,
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/// OIDC client secret.
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pub oidc_client_secret: String,
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/// Tracing log level filter (e.g. "info", "debug", "warn,furumusic=debug").
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pub log_level: String,
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/// Whether password-based login is enabled.
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pub auth_password_enabled: bool,
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/// Whether SSO (OIDC) login is enabled.
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pub auth_sso_enabled: bool,
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/// Label shown on the SSO login button.
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pub oidc_button_text: String,
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/// Comma-separated list of OIDC group names that grant admin role.
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pub oidc_admin_groups: String,
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/// Comma-separated list of OIDC group names that are allowed to use the service.
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pub oidc_user_groups: String,
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/// Whether the Swagger UI is served at /swagger/.
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pub swagger_enabled: bool,
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/// Whether the AI agent background loop is enabled.
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pub agent_enabled: bool,
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/// Directory to scan for incoming audio files.
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pub agent_inbox_dir: String,
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/// Directory for organized permanent storage.
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pub agent_storage_dir: String,
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/// LLM API URL (OpenAI-compatible).
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pub agent_llm_url: String,
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/// LLM model name.
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pub agent_llm_model: String,
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/// LLM Authorization header value (e.g. "Bearer sk-...").
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pub agent_llm_auth: String,
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/// Confidence threshold for auto-approval (0.0–1.0).
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pub agent_confidence_threshold: f64,
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/// LLM context window size in tokens. Chat history resets when approaching this limit.
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pub agent_context_limit: u64,
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/// Number of files to process in parallel via the LLM.
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pub agent_concurrency: u64,
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/// Last.fm API key for weekly popularity enrichment.
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pub lastfm_api_key: String,
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/// Last.fm shared secret for authenticated scrobbling calls.
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pub lastfm_shared_secret: String,
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}
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impl Default for AppConfig {
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fn default() -> Self {
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Self {
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database_url: String::new(),
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oidc_issuer: String::new(),
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oidc_client_id: String::new(),
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oidc_client_secret: String::new(),
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log_level: "info".into(),
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auth_password_enabled: true,
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auth_sso_enabled: false,
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oidc_button_text: "Sign in with SSO".into(),
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oidc_admin_groups: String::new(),
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oidc_user_groups: String::new(),
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swagger_enabled: false,
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agent_enabled: false,
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agent_inbox_dir: String::new(),
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agent_storage_dir: String::new(),
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agent_llm_url: "http://localhost:8080".into(),
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agent_llm_model: "default".into(),
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agent_llm_auth: String::new(),
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agent_confidence_threshold: 0.85,
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agent_context_limit: 8192,
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agent_concurrency: 2,
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lastfm_api_key: String::new(),
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lastfm_shared_secret: String::new(),
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}
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}
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}
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// Register every field that should be overridable via FURU_* env vars.
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impl_env_overrides!(
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database_url,
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oidc_issuer,
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oidc_client_id,
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oidc_client_secret,
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log_level,
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auth_password_enabled,
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auth_sso_enabled,
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oidc_button_text,
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oidc_admin_groups,
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oidc_user_groups,
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swagger_enabled,
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agent_enabled,
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agent_inbox_dir,
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agent_storage_dir,
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agent_llm_url,
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agent_llm_model,
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agent_llm_auth,
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agent_confidence_threshold,
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agent_context_limit,
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agent_concurrency,
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lastfm_api_key,
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lastfm_shared_secret,
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);
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impl AppConfig {
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fn normalize_host_paths(&mut self) {
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self.agent_inbox_dir = normalize_host_path(&self.agent_inbox_dir);
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self.agent_storage_dir = normalize_host_path(&self.agent_storage_dir);
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}
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/// Build config: start from defaults, then overlay env vars.
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/// Used at startup before the DB is available (to get `database_url`).
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pub fn load() -> Self {
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let mut cfg = Self::default();
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cfg.apply_env_overrides();
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cfg.normalize_host_paths();
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cfg
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}
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/// Build config with full 3-layer resolution (default → DB → env) and
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/// track the source of each field.
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pub async fn load_with_db(db: &Database) -> (Self, ConfigSources) {
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let mut cfg = Self::default();
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let mut sources = ConfigSources::default();
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cfg.apply_db_overrides(db, &mut sources).await;
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cfg.apply_env_overrides_tracked(&mut sources);
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cfg.normalize_host_paths();
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(cfg, sources)
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}
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/// Query all rows from `furu__config` and overlay matching fields.
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async fn apply_db_overrides(&mut self, db: &Database, sources: &mut ConfigSources) {
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let rows = match ConfigEntry::objects().all(db).await {
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Ok(rows) => rows,
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Err(e) => {
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tracing::warn!("failed to read furu__config: {e}");
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return;
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}
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};
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let map: HashMap<String, String> = rows
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.into_iter()
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.map(|entry| (entry.key.to_string(), entry.value))
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.collect();
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macro_rules! apply_db_field {
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($field:ident) => {
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if let Some(val) = map.get(stringify!($field)) {
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match val.parse() {
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Ok(v) => {
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self.$field = v;
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sources.$field = ConfigSource::Database;
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}
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Err(_) => {
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tracing::warn!(
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"ignoring invalid DB config value for {}: {:?}",
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stringify!($field),
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val,
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);
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}
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}
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}
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};
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}
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apply_db_field!(database_url);
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apply_db_field!(oidc_issuer);
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apply_db_field!(oidc_client_id);
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apply_db_field!(oidc_client_secret);
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apply_db_field!(log_level);
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apply_db_field!(auth_password_enabled);
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apply_db_field!(auth_sso_enabled);
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apply_db_field!(oidc_button_text);
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apply_db_field!(oidc_admin_groups);
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apply_db_field!(oidc_user_groups);
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apply_db_field!(swagger_enabled);
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apply_db_field!(agent_enabled);
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apply_db_field!(agent_inbox_dir);
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apply_db_field!(agent_storage_dir);
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apply_db_field!(agent_llm_url);
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apply_db_field!(agent_llm_model);
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apply_db_field!(agent_llm_auth);
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apply_db_field!(agent_confidence_threshold);
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apply_db_field!(agent_context_limit);
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apply_db_field!(agent_concurrency);
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apply_db_field!(lastfm_api_key);
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apply_db_field!(lastfm_shared_secret);
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}
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}
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fn normalize_host_path(value: &str) -> String {
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let trimmed = value.trim();
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if trimmed.is_empty() {
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return String::new();
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}
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normalize_windows_user_path(trimmed).unwrap_or_else(|| trimmed.to_owned())
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}
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#[cfg(not(windows))]
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fn normalize_windows_user_path(value: &str) -> Option<String> {
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let normalized = value.replace('\\', "/");
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let mut parts = normalized.split('/').filter(|part| !part.is_empty());
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let drive = parts.next()?;
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if drive.len() != 2 || !drive.ends_with(':') {
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return None;
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}
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if !parts.next()?.eq_ignore_ascii_case("Users") {
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return None;
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}
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let user = parts.next()?;
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if user.is_empty() {
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return None;
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}
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let mut out = format!("/Users/{user}");
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for part in parts {
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out.push('/');
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out.push_str(part);
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}
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Some(out)
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}
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#[cfg(windows)]
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fn normalize_windows_user_path(_value: &str) -> Option<String> {
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None
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn defaults_are_sane() {
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let cfg = AppConfig::default();
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assert!(cfg.database_url.is_empty());
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assert_eq!(cfg.log_level, "info");
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}
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#[cfg(not(windows))]
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#[test]
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fn normalizes_windows_user_path_on_unix() {
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assert_eq!(
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normalize_host_path(r"C:\Users\ab\repos\furumusic\media\uploads"),
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"/Users/ab/repos/furumusic/media/uploads"
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);
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}
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#[cfg(not(windows))]
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#[test]
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fn leaves_unix_path_unchanged() {
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assert_eq!(
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normalize_host_path("/Users/ab/repos/furumusic/media/uploads"),
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"/Users/ab/repos/furumusic/media/uploads"
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);
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}
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// SAFETY: tests run with --test-threads=1 so no concurrent env access.
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unsafe fn set(k: &str, v: &str) {
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unsafe { std::env::set_var(k, v) };
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}
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unsafe fn unset(k: &str) {
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unsafe { std::env::remove_var(k) };
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}
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#[test]
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fn env_override_string_field() {
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unsafe {
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set("FURU_OIDC_ISSUER", "https://example.com");
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}
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let cfg = AppConfig::load();
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assert_eq!(cfg.oidc_issuer, "https://example.com");
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unsafe {
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unset("FURU_OIDC_ISSUER");
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}
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}
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#[test]
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fn env_override_bool_field() {
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unsafe {
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set("FURU_AUTH_SSO_ENABLED", "true");
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}
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let cfg = AppConfig::load();
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assert!(cfg.auth_sso_enabled);
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unsafe {
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unset("FURU_AUTH_SSO_ENABLED");
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn source_tracking_env() {
|
||
unsafe {
|
||
set("FURU_OIDC_ISSUER", "https://tracked.example.com");
|
||
}
|
||
let mut cfg = AppConfig::default();
|
||
let mut sources = ConfigSources::default();
|
||
cfg.apply_env_overrides_tracked(&mut sources);
|
||
assert_eq!(cfg.oidc_issuer, "https://tracked.example.com");
|
||
assert_eq!(sources.oidc_issuer, ConfigSource::Env);
|
||
assert_eq!(sources.database_url, ConfigSource::Default);
|
||
unsafe {
|
||
unset("FURU_OIDC_ISSUER");
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn config_source_codes() {
|
||
assert_eq!(ConfigSource::Default.code(), "default");
|
||
assert_eq!(ConfigSource::Database.code(), "database");
|
||
assert_eq!(ConfigSource::Env.code(), "env");
|
||
}
|
||
}
|