A lexicon-driven AppView for ATProto.
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4.2 kB · 132 lines
Rust
at dev
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use super::DeleteApiClientInput;use crate::AppState;use crate::auth::XrpcClaims;use crate::db::adapt_sql;use crate::error::AppError;use crate::event_log::{EventLog, Severity, log_event};use crate::rate_limit::CheckResult;
pub async fn delete_api_client( State(state): State<AppState>, xrpc_claims: XrpcClaims, Json(input): Json<DeleteApiClientInput>,) -> Result<Response, AppError> { // 1. Require DPoP auth let claims = xrpc_claims .identity .ok_or_else(|| AppError::Auth("deleteApiClient requires DPoP authentication".into()))?;
// 2. Rate-limit the request (procedure type) let check = if let Some(client_key) = claims.client_key() { let cost = state .rate_limiter .default_cost_for_type(client_key, "procedure"); Some(state.rate_limiter.check(client_key, cost)) } else { None };
if let Some(CheckResult::Limited { retry_after, limit, reset, }) = check { return Err(AppError::RateLimited { retry_after, limit, reset, }); }
let user_did = claims.did().to_string(); let id = input.id;
// 3. Look up client_id_url and client_key before deleting (scoped to owner) let lookup_sql = adapt_sql( "SELECT client_id_url, client_key FROM happyview_api_clients WHERE id = ? AND owner_did = ?", state.db_backend, ); let client_info: Option<(String, String)> = crate::db::query_as(&lookup_sql) .bind(&id) .bind(&user_did) .fetch_optional(&state.db) .await .map_err(|e| AppError::Internal(format!("failed to look up api client: {e}")))?;
// 4. Look up child clients before deleting (ON DELETE CASCADE will remove DB rows) let children_sql = adapt_sql( "SELECT client_id_url, client_key FROM happyview_api_clients WHERE parent_client_id = ?", state.db_backend, ); let children: Vec<(String, String)> = crate::db::query_as(&children_sql) .bind(&id) .fetch_all(&state.db) .await .unwrap_or_default();
// 5. Delete from DB — scoped to owner_did so users cannot delete others' clients let delete_sql = adapt_sql( "DELETE FROM happyview_api_clients WHERE id = ? AND owner_did = ?", state.db_backend, ); let result = crate::db::query(&delete_sql) .bind(&id) .bind(&user_did) .execute(&state.db) .await .map_err(|e| AppError::Internal(format!("failed to delete api client: {e}")))?;
if result.rows_affected() == 0 { return Err(AppError::NotFound(format!("api client '{id}' not found"))); }
// 6. Remove parent from OAuth registry, rate limiter, and client identities if let Some((url, key)) = client_info { state.oauth.remove(&url); state.rate_limiter.remove_client_config(&key); state.rate_limiter.remove_client_identity(&key); }
// 7. Remove child clients from in-memory registries (DB rows already cascaded) for (child_url, child_key) in &children { state.oauth.remove(child_url); state.rate_limiter.remove_client_config(child_key); state.rate_limiter.remove_client_identity(child_key); }
// 8. Log event log_event( &state.db, EventLog { event_type: "api_client.deleted".to_string(), severity: Severity::Info, actor_did: Some(user_did.clone()), subject: Some(id), detail: serde_json::json!({}), }, state.db_backend, ) .await;
// 9. Return `{}` let mut response = Json(serde_json::json!({})).into_response();
if let Some(CheckResult::Allowed { remaining, limit, reset, }) = check { let h = response.headers_mut(); h.insert("RateLimit-Limit", limit.into()); h.insert("RateLimit-Remaining", remaining.into()); h.insert("RateLimit-Reset", reset.into()); }
Ok(response)}