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A lexicon-driven AppView for ATProto.
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use crate::AppState;use crate::auth::Claims;use crate::db::{DatabaseBackend, adapt_sql};use crate::error::{AppError, LUA_AUTH_ERROR_PREFIX, ScriptErrorType, parse_lua_line};use crate::event_log::{EventLog, Severity, log_event};use crate::lexicon::ParsedLexicon;use crate::repo;
use super::atproto_api;use super::context;use super::db_api;use super::http_api;use super::record;use super::sandbox;
/// Load all script variables from the database as a key-value map.async fn load_env_vars(db: &sqlx::AnyPool, backend: DatabaseBackend) -> HashMap<String, String> { let sql = adapt_sql("SELECT key, value FROM happyview_script_variables", backend); crate::db::query_as::<(String, String)>(&sql) .fetch_all(db) .await .unwrap_or_default() .into_iter() .collect()}
/// Execute a Lua script for a procedure endpoint.#[allow(clippy::too_many_arguments)]pub async fn execute_procedure_script( state: &AppState, method: &str, claims: &Claims, input: &Value, params: &std::collections::HashMap<String, Value>, lexicon: &ParsedLexicon, script: &str, space_ctx: Option<&context::SpaceContext>, delegate_did: Option<&str>,) -> Result<Response, AppError> { let start = Instant::now(); let backend = state.db_backend; let span = tracing::info_span!( "script.execute", method = method, script_type = "procedure", caller_did = %claims.did(), ); span.in_scope(|| tracing::info!("script execution started")); let collection = lexicon.target_collection.as_deref().unwrap_or_default();
// Capture script source and input for error logging before anything is consumed. let script_source = script.to_string(); let input_json = input.clone();
let pds_auth: Option<repo::PdsAuth> = if let Some(client_key) = claims.client_key() { let encryption_key = state .config .token_encryption_key .as_ref() .ok_or_else(|| AppError::Internal("TOKEN_ENCRYPTION_KEY not configured".into()))?; let api_client_id = match repo::get_dpop_client_id(state, client_key).await { Ok(id) => id, Err(e) => { let error_message = format!("{e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(e); } }; let dpop_key_id = claims .dpop_key_id() .ok_or_else(|| AppError::Internal("DPoP key ID not available in claims".into()))? .to_string(); Some(repo::PdsAuth::Dpop { api_client_id, dpop_key_id, encryption_key: *encryption_key, }) } else { repo::get_oauth_session(state, claims.did()) .await .ok() .map(|s| repo::PdsAuth::OAuth(Arc::new(s))) };
let lua = match sandbox::create_sandbox() { Ok(l) => l, Err(e) => { let error_message = format!("failed to create Lua VM: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); } };
let state_arc = Arc::new(state.clone()); let claims_arc = Arc::new(claims.clone()); let pds_auth_arc = pds_auth.map(Arc::new);
if let Err(e) = db_api::register_db_api(&lua, state_arc.clone()) { let error_message = format!("failed to register db API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = http_api::register_http_api(&lua, state_arc.clone()) { let error_message = format!("failed to register http API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = super::xrpc_api::register_xrpc_api(&lua, state_arc.clone(), Some(claims.did().to_string())) { let error_message = format!("failed to register xrpc API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = atproto_api::register_atproto_api(&lua, state_arc.clone(), Some(claims.did())) { let error_message = format!("failed to register atproto API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = crate::lua::spaces_api::register_spaces_write_api( &lua, state_arc.clone(), Some(claims.did()), ) { let error_message = format!("failed to register spaces write API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Some(ref pds_auth) = pds_auth_arc && let Err(e) = atproto_api::register_atproto_blob_api( &lua, state_arc.clone(), claims_arc.clone(), pds_auth.clone(), ) { let error_message = format!("failed to register atproto blob API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = super::jobs_api::register_jobs_api( &lua, state_arc.clone(), Some(super::jobs_api::JobsCaller { did: claims.did().to_string(), api_client_id: pds_auth_arc.as_ref().and_then(|a| match a.as_ref() { repo::PdsAuth::Dpop { api_client_id, .. } => Some(api_client_id.clone()), _ => None, }), dpop_key_id: pds_auth_arc.as_ref().and_then(|a| match a.as_ref() { repo::PdsAuth::Dpop { dpop_key_id, .. } => Some(dpop_key_id.clone()), _ => None, }), }), ) { let error_message = format!("failed to register jobs API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = record::register_record_api( &lua, state_arc.clone(), Some(claims_arc), pds_auth_arc, delegate_did.map(|s| s.to_string()), ) { let error_message = format!("failed to register Record API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
// Override the sandbox's tracing-only `log()` with a version that // also writes a `script.log` row to `event_logs` so operators can // see script output from the dashboard. The xrpc trigger id is // computed from the lexicon's id + procedure type. let trigger_id = format!("xrpc.procedure:{}", lexicon.id); if let Err(e) = super::scripts::register_log_event_api(&lua, &state_arc, &trigger_id, Some(claims.did())) { let error_message = format!("failed to register log API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = context::set_procedure_context( &lua, method, input, params, claims.did(), collection, space_ctx, delegate_did, ) { let error_message = format!("failed to set context: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = context::set_env_context(&lua, &load_env_vars(&state.db, backend).await) { let error_message = format!("failed to set env context: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = lua.load(script).exec() { let error_message = format!("{e}"); tracing::error!(method, error = %e, "lua script load failed"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; let (line, clean_msg) = parse_lua_line(&error_message); return Err(AppError::ScriptError { error_type: ScriptErrorType::Syntax, message: clean_msg, method: method.to_string(), line, }); }
let handle: mlua::Function = match lua.globals().get("handle") { Ok(f) => f, Err(e) => { let error_message = format!("{e}"); tracing::error!(method, error = %e, "lua script missing handle function"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::ScriptError { error_type: ScriptErrorType::MissingHandle, message: "script does not define a handle() function".to_string(), method: method.to_string(), line: None, }); } };
let result: mlua::Value = match handle.call_async(()).await { Ok(r) => r, Err(e) => { let msg = e.to_string(); tracing::error!(method, error = %msg, "lua script execution failed"); let (line, clean_msg) = parse_lua_line(&msg); let app_error = if msg.contains(LUA_AUTH_ERROR_PREFIX) || clean_msg.contains(LUA_AUTH_ERROR_PREFIX) { let auth_msg = clean_msg .strip_prefix(LUA_AUTH_ERROR_PREFIX) .unwrap_or(&clean_msg) .to_string(); AppError::Auth(auth_msg) } else if msg.contains("execution limit") { AppError::ScriptError { error_type: ScriptErrorType::Timeout, message: "script exceeded execution time limit".to_string(), method: method.to_string(), line, } } else { AppError::ScriptError { error_type: ScriptErrorType::Runtime, message: clean_msg, method: method.to_string(), line, } }; log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": msg, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(app_error); } };
let json_value: Value = match lua.from_value(result) { Ok(v) => v, Err(e) => { let error_message = format!("{e}"); tracing::error!(method, error = %e, "failed to convert lua result to JSON"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "input": input_json, "caller_did": claims.did(), "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::ScriptError { error_type: ScriptErrorType::Runtime, message: error_message, method: method.to_string(), line: None, }); } };
span.in_scope(|| { tracing::info!( duration_ms = start.elapsed().as_millis() as u64, "script execution completed" ); }); log_event( &state.db, EventLog { event_type: "script.executed".to_string(), severity: Severity::Info, actor_did: Some(claims.did().to_string()), subject: Some(method.to_string()), detail: serde_json::json!({ "method": method, "caller_did": claims.did(), "duration_ms": start.elapsed().as_millis() as u64, "response_size": json_value.to_string().len(), "input": input_json, "response": json_value, }), }, backend, ) .await;
Ok(Json(json_value).into_response())}
/// Execute a Lua script for a query endpoint.pub async fn execute_query_script( state: &AppState, method: &str, params: &HashMap<String, serde_json::Value>, lexicon: &ParsedLexicon, script: &str, claims: Option<&Claims>, space_ctx: Option<&context::SpaceContext>,) -> Result<Response, AppError> { let start = Instant::now(); let backend = state.db_backend; let span = tracing::info_span!("script.execute", method = method, script_type = "query",); span.in_scope(|| tracing::info!("script execution started")); let collection = lexicon.target_collection.as_deref().unwrap_or_default();
// Capture script source for error logging. let script_source = script.to_string();
let lua = match sandbox::create_sandbox() { Ok(l) => l, Err(e) => { let error_message = format!("failed to create Lua VM: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); } };
let state_arc = Arc::new(state.clone());
if let Err(e) = db_api::register_db_api(&lua, state_arc.clone()) { let error_message = format!("failed to register db API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = http_api::register_http_api(&lua, state_arc.clone()) { let error_message = format!("failed to register http API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = super::xrpc_api::register_xrpc_api( &lua, state_arc.clone(), claims.map(|c| c.did().to_string()), ) { let error_message = format!("failed to register xrpc API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = atproto_api::register_atproto_api(&lua, state_arc.clone(), claims.map(|c| c.did())) { let error_message = format!("failed to register atproto API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = crate::lua::spaces_api::register_spaces_write_api( &lua, state_arc.clone(), claims.map(|c| c.did()), ) { let error_message = format!("failed to register spaces write API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
// Register the Record API in no-auth mode. Queries don't have a PDS // auth context — the local-only methods (Record.load, :save_local, // :delete_local, Record.delete_local) work; PDS-touching variants // error with the no-PDS-auth message. if let Err(e) = record::register_record_api_no_auth(&lua, state_arc.clone()) { let error_message = format!("failed to register Record API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
// Override the sandbox's tracing-only `log()` with a version that // also writes a `script.log` row to `event_logs`. let trigger_id = format!("xrpc.query:{}", lexicon.id); if let Err(e) = super::scripts::register_log_event_api( &lua, &state_arc, &trigger_id, claims.map(|c| c.did()), ) { let error_message = format!("failed to register log API: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = context::set_query_context( &lua, method, params, collection, claims.map(|c| c.did()), space_ctx, ) { let error_message = format!("failed to set context: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = context::set_env_context(&lua, &load_env_vars(&state.db, backend).await) { let error_message = format!("failed to set env context: {e}"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::Internal(error_message)); }
if let Err(e) = lua.load(script).exec() { let error_message = format!("{e}"); tracing::error!(method, error = %e, "lua script load failed"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; let (line, clean_msg) = parse_lua_line(&error_message); return Err(AppError::ScriptError { error_type: ScriptErrorType::Syntax, message: clean_msg, method: method.to_string(), line, }); }
let handle: mlua::Function = match lua.globals().get("handle") { Ok(f) => f, Err(e) => { let error_message = format!("{e}"); tracing::error!(method, error = %e, "lua script missing handle function"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::ScriptError { error_type: ScriptErrorType::MissingHandle, message: "script does not define a handle() function".to_string(), method: method.to_string(), line: None, }); } };
let result: mlua::Value = match handle.call_async(()).await { Ok(r) => r, Err(e) => { let msg = e.to_string(); tracing::error!(method, error = %msg, "lua script execution failed"); let (line, clean_msg) = parse_lua_line(&msg); let app_error = if msg.contains(LUA_AUTH_ERROR_PREFIX) || clean_msg.contains(LUA_AUTH_ERROR_PREFIX) { let auth_msg = clean_msg .strip_prefix(LUA_AUTH_ERROR_PREFIX) .unwrap_or(&clean_msg) .to_string(); AppError::Auth(auth_msg) } else if msg.contains("execution limit") { AppError::ScriptError { error_type: ScriptErrorType::Timeout, message: "script exceeded execution time limit".to_string(), method: method.to_string(), line, } } else { AppError::ScriptError { error_type: ScriptErrorType::Runtime, message: clean_msg, method: method.to_string(), line, } }; log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": msg, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(app_error); } };
let json_value: Value = match lua.from_value(result) { Ok(v) => v, Err(e) => { let error_message = format!("{e}"); tracing::error!(method, error = %e, "failed to convert lua result to JSON"); log_event( &state.db, EventLog { event_type: "script.error".to_string(), severity: Severity::Error, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "error": error_message, "script_source": script_source, "method": method, "duration_ms": start.elapsed().as_millis() as u64, }), }, backend, ) .await; return Err(AppError::ScriptError { error_type: ScriptErrorType::Runtime, message: error_message, method: method.to_string(), line: None, }); } };
span.in_scope(|| { tracing::info!( duration_ms = start.elapsed().as_millis() as u64, "script execution completed" ); }); log_event( &state.db, EventLog { event_type: "script.executed".to_string(), severity: Severity::Info, actor_did: None, subject: Some(method.to_string()), detail: serde_json::json!({ "method": method, "duration_ms": start.elapsed().as_millis() as u64, "response_size": json_value.to_string().len(), "params": params, "response": json_value, }), }, backend, ) .await;
Ok(Json(json_value).into_response())}