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A lexicon-driven AppView for ATProto.
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2.9 kB · 114 lines
Rust
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115//! OAuth state management for external auth flows.//!//! Stores state -> (user_did, plugin_id, redirect_uri) mappings//! to validate callbacks and associate external accounts with users.
use crate::db::{DatabaseBackend, adapt_sql, now_rfc3339};
#[derive(Debug, thiserror::Error)]pub enum StateError { #[error("Database error: {0}")] Database(#[from] sqlx::Error), #[error("State not found or expired")] NotFound,}
/// Stored OAuth state#[derive(Debug, Clone)]pub struct StoredState { pub did: String, pub plugin_id: String, pub redirect_uri: String,}
/// Store OAuth state for an auth flow.////// State expires after 10 minutes.pub async fn store_state( db: &sqlx::AnyPool, backend: DatabaseBackend, state: &str, did: &str, plugin_id: &str, redirect_uri: &str,) -> Result<(), StateError> { let now = now_rfc3339();
// Expire in 10 minutes let expires_at = chrono::Utc::now() + chrono::Duration::minutes(10); let expires_str = expires_at.to_rfc3339();
let sql = adapt_sql( "INSERT INTO happyview_external_auth_state (state, did, plugin_id, redirect_uri, created_at, expires_at) VALUES (?, ?, ?, ?, ?, ?)", backend, );
crate::db::query(&sql) .bind(state) .bind(did) .bind(plugin_id) .bind(redirect_uri) .bind(&now) .bind(&expires_str) .execute(db) .await?;
Ok(())}
/// Retrieve and consume OAuth state.////// Returns the stored state if found and not expired, then deletes it.pub async fn consume_state( db: &sqlx::AnyPool, backend: DatabaseBackend, state: &str,) -> Result<StoredState, StateError> { let now = now_rfc3339();
// Get state if not expired let sql = adapt_sql( "SELECT did, plugin_id, redirect_uri FROM happyview_external_auth_state WHERE state = ? AND expires_at > ?", backend, );
let row: Option<(String, String, String)> = crate::db::query_as(&sql) .bind(state) .bind(&now) .fetch_optional(db) .await?;
let (did, plugin_id, redirect_uri) = row.ok_or(StateError::NotFound)?;
// Delete the state (one-time use) let delete_sql = adapt_sql( "DELETE FROM happyview_external_auth_state WHERE state = ?", backend, ); crate::db::query(&delete_sql) .bind(state) .execute(db) .await?;
Ok(StoredState { did, plugin_id, redirect_uri, })}
/// Clean up expired state entries.pub async fn cleanup_expired( db: &sqlx::AnyPool, backend: DatabaseBackend,) -> Result<u64, StateError> { let now = now_rfc3339();
let sql = adapt_sql( "DELETE FROM happyview_external_auth_state WHERE expires_at <= ?", backend, ); let result = crate::db::query(&sql).bind(&now).execute(db).await?;
Ok(result.rows_affected())}