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A lexicon-driven AppView for ATProto. forked from gamesgamesgamesgames.games/happyview
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/// Stored DPoP session data (decrypted).pub struct DpopSession { pub id: String, pub api_client_id: String, pub dpop_key_id: String, pub user_did: String, pub access_token: String, pub refresh_token: Option<String>, pub token_expires_at: Option<String>, pub scopes: String, pub pds_url: Option<String>, pub issuer: Option<String>,}
/// Session metadata returned by list_dpop_sessions (no decrypted tokens).pub struct DpopSessionInfo { pub id: String, pub dpop_key_id: String, pub scopes: String, pub created_at: String, pub updated_at: String,}
/// Store or update a DPoP session.////// Uses ON CONFLICT to upsert — if a session already exists for this/// (api_client_id, user_did, dpop_key_id), it updates the token data.#[allow(clippy::too_many_arguments)]pub async fn store_dpop_session( pool: &sqlx::AnyPool, backend: DatabaseBackend, encryption_key: &[u8; 32], id: &str, api_client_id: &str, dpop_key_id: &str, user_did: &str, access_token: &str, refresh_token: Option<&str>, token_expires_at: Option<&str>, scopes: &str, pds_url: Option<&str>, issuer: Option<&str>,) -> Result<(), AppError> { let access_enc = encrypt(encryption_key, access_token.as_bytes()) .map_err(|e| AppError::Internal(format!("failed to encrypt access token: {e}")))?;
let refresh_enc = refresh_token .map(|t| { encrypt(encryption_key, t.as_bytes()) .map_err(|e| AppError::Internal(format!("failed to encrypt refresh token: {e}"))) }) .transpose()?;
let now = now_rfc3339(); let sql = adapt_sql( r#"INSERT INTO happyview_dpop_sessions (id, api_client_id, dpop_key_id, user_did, access_token_enc, refresh_token_enc, token_expires_at, scopes, pds_url, issuer, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) ON CONFLICT (api_client_id, user_did, dpop_key_id) DO UPDATE SET access_token_enc = EXCLUDED.access_token_enc, refresh_token_enc = EXCLUDED.refresh_token_enc, token_expires_at = EXCLUDED.token_expires_at, scopes = EXCLUDED.scopes, pds_url = EXCLUDED.pds_url, issuer = EXCLUDED.issuer, updated_at = EXCLUDED.updated_at"#, backend, );
crate::db::query(&sql) .bind(id) .bind(api_client_id) .bind(dpop_key_id) .bind(user_did) .bind(&access_enc) .bind(&refresh_enc) .bind(token_expires_at) .bind(scopes) .bind(pds_url) .bind(issuer) .bind(&now) .bind(&now) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to store DPoP session: {e}")))?;
Ok(())}
/// Look up a DPoP session by api_client_id, user_did, and dpop_key_id, decrypting tokens.pub async fn get_dpop_session( pool: &sqlx::AnyPool, backend: DatabaseBackend, encryption_key: &[u8; 32], api_client_id: &str, user_did: &str, dpop_key_id: &str,) -> Result<DpopSession, AppError> { let sql = adapt_sql( "SELECT id, access_token_enc, refresh_token_enc, token_expires_at, scopes, pds_url, issuer FROM happyview_dpop_sessions WHERE api_client_id = ? AND user_did = ? AND dpop_key_id = ?", backend, );
#[allow(clippy::type_complexity)] let row: Option<( String, Vec<u8>, Option<Vec<u8>>, Option<String>, String, Option<String>, Option<String>, )> = crate::db::query_as(&sql) .bind(api_client_id) .bind(user_did) .bind(dpop_key_id) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to look up DPoP session: {e}")))?;
let (id, access_enc, refresh_enc, token_expires_at, scopes, pds_url, issuer) = row.ok_or_else(|| AppError::NotFound("DPoP session not found".into()))?;
let access_token = String::from_utf8( decrypt(encryption_key, &access_enc) .map_err(|e| AppError::Internal(format!("failed to decrypt access token: {e}")))?, ) .map_err(|e| AppError::Internal(format!("invalid access token bytes: {e}")))?;
let refresh_token = refresh_enc .map(|enc| { let bytes = decrypt(encryption_key, &enc) .map_err(|e| AppError::Internal(format!("failed to decrypt refresh token: {e}")))?; String::from_utf8(bytes) .map_err(|e| AppError::Internal(format!("invalid refresh token bytes: {e}"))) }) .transpose()?;
Ok(DpopSession { id, api_client_id: api_client_id.to_string(), dpop_key_id: dpop_key_id.to_string(), user_did: user_did.to_string(), access_token, refresh_token, token_expires_at, scopes, pds_url, issuer, })}
/// Look up a DPoP session by api_client_id and dpop_key_id, decrypting tokens./// Used by the auth middleware where the key ID is derived from the DPoP proof thumbprint.pub async fn get_dpop_session_by_key_id( pool: &sqlx::AnyPool, backend: DatabaseBackend, encryption_key: &[u8; 32], api_client_id: &str, dpop_key_id: &str,) -> Result<DpopSession, AppError> { let sql = adapt_sql( "SELECT id, user_did, access_token_enc, refresh_token_enc, token_expires_at, scopes, pds_url, issuer FROM happyview_dpop_sessions WHERE api_client_id = ? AND dpop_key_id = ?", backend, );
#[allow(clippy::type_complexity)] let row: Option<( String, String, Vec<u8>, Option<Vec<u8>>, Option<String>, String, Option<String>, Option<String>, )> = crate::db::query_as(&sql) .bind(api_client_id) .bind(dpop_key_id) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to look up DPoP session: {e}")))?;
let (id, user_did, access_enc, refresh_enc, token_expires_at, scopes, pds_url, issuer) = row.ok_or_else(|| AppError::Auth("no matching DPoP session".into()))?;
let access_token = String::from_utf8( decrypt(encryption_key, &access_enc) .map_err(|e| AppError::Internal(format!("failed to decrypt access token: {e}")))?, ) .map_err(|e| AppError::Internal(format!("invalid access token bytes: {e}")))?;
let refresh_token = refresh_enc .map(|enc| { let bytes = decrypt(encryption_key, &enc) .map_err(|e| AppError::Internal(format!("failed to decrypt refresh token: {e}")))?; String::from_utf8(bytes) .map_err(|e| AppError::Internal(format!("invalid refresh token bytes: {e}"))) }) .transpose()?;
Ok(DpopSession { id, api_client_id: api_client_id.to_string(), dpop_key_id: dpop_key_id.to_string(), user_did, access_token, refresh_token, token_expires_at, scopes, pds_url, issuer, })}
/// Delete a DPoP session by api_client_id, user_did, and dpop_key_id (device-specific).pub async fn delete_dpop_session( pool: &sqlx::AnyPool, backend: DatabaseBackend, api_client_id: &str, user_did: &str, dpop_key_id: &str,) -> Result<String, AppError> { let del_session_sql = adapt_sql( "DELETE FROM happyview_dpop_sessions WHERE api_client_id = ? AND user_did = ? AND dpop_key_id = ?", backend, ); crate::db::query(&del_session_sql) .bind(api_client_id) .bind(user_did) .bind(dpop_key_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete DPoP session: {e}")))?;
let del_key_sql = adapt_sql("DELETE FROM happyview_dpop_keys WHERE id = ?", backend); crate::db::query(&del_key_sql) .bind(dpop_key_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete DPoP key: {e}")))?;
Ok(dpop_key_id.to_string())}
/// Delete all DPoP sessions for a user+client pair (e.g. on account unlink).pub async fn delete_all_dpop_sessions( pool: &sqlx::AnyPool, backend: DatabaseBackend, api_client_id: &str, user_did: &str,) -> Result<(), AppError> { let key_ids_sql = adapt_sql( "SELECT dpop_key_id FROM happyview_dpop_sessions WHERE api_client_id = ? AND user_did = ?", backend, ); let key_ids: Vec<(String,)> = crate::db::query_as(&key_ids_sql) .bind(api_client_id) .bind(user_did) .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list DPoP sessions: {e}")))?;
let del_sessions_sql = adapt_sql( "DELETE FROM happyview_dpop_sessions WHERE api_client_id = ? AND user_did = ?", backend, ); crate::db::query(&del_sessions_sql) .bind(api_client_id) .bind(user_did) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete DPoP sessions: {e}")))?;
let del_key_sql = adapt_sql("DELETE FROM happyview_dpop_keys WHERE id = ?", backend); for (key_id,) in key_ids { let _ = crate::db::query(&del_key_sql) .bind(&key_id) .execute(pool) .await; }
Ok(())}
/// List all DPoP sessions for a user+client pair (metadata only, no decrypted tokens).pub async fn list_dpop_sessions( pool: &sqlx::AnyPool, backend: DatabaseBackend, api_client_id: &str, user_did: &str,) -> Result<Vec<DpopSessionInfo>, AppError> { let sql = adapt_sql( "SELECT id, dpop_key_id, scopes, created_at, updated_at FROM happyview_dpop_sessions WHERE api_client_id = ? AND user_did = ?", backend, );
let rows: Vec<(String, String, String, String, String)> = crate::db::query_as(&sql) .bind(api_client_id) .bind(user_did) .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list DPoP sessions: {e}")))?;
Ok(rows .into_iter() .map( |(id, dpop_key_id, scopes, created_at, updated_at)| DpopSessionInfo { id, dpop_key_id, scopes, created_at, updated_at, }, ) .collect())}
/// Look up a DPoP session by api_client_id and user_did only (without dpop_key_id)./// Used when the caller doesn't know the specific device key — delegation writes/// and confidential client session lookups. Returns the first matching session.pub async fn get_dpop_session_for_user( pool: &sqlx::AnyPool, backend: DatabaseBackend, encryption_key: &[u8; 32], api_client_id: &str, user_did: &str,) -> Result<DpopSession, AppError> { let sql = adapt_sql( "SELECT id, dpop_key_id, access_token_enc, refresh_token_enc, token_expires_at, scopes, pds_url, issuer FROM happyview_dpop_sessions WHERE api_client_id = ? AND user_did = ? LIMIT 1", backend, );
#[allow(clippy::type_complexity)] let row: Option<( String, String, Vec<u8>, Option<Vec<u8>>, Option<String>, String, Option<String>, Option<String>, )> = crate::db::query_as(&sql) .bind(api_client_id) .bind(user_did) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to look up DPoP session: {e}")))?;
let (id, dpop_key_id, access_enc, refresh_enc, token_expires_at, scopes, pds_url, issuer) = row.ok_or_else(|| AppError::NotFound("DPoP session not found".into()))?;
let access_token = String::from_utf8( decrypt(encryption_key, &access_enc) .map_err(|e| AppError::Internal(format!("failed to decrypt access token: {e}")))?, ) .map_err(|e| AppError::Internal(format!("invalid access token bytes: {e}")))?;
let refresh_token = refresh_enc .map(|enc| { let bytes = decrypt(encryption_key, &enc) .map_err(|e| AppError::Internal(format!("failed to decrypt refresh token: {e}")))?; String::from_utf8(bytes) .map_err(|e| AppError::Internal(format!("invalid refresh token bytes: {e}"))) }) .transpose()?;
Ok(DpopSession { id, api_client_id: api_client_id.to_string(), dpop_key_id, user_did: user_did.to_string(), access_token, refresh_token, token_expires_at, scopes, pds_url, issuer, })}
/// Delete a specific DPoP session by its ID, verifying it belongs to the given client and user.pub async fn delete_dpop_session_by_id( pool: &sqlx::AnyPool, backend: DatabaseBackend, session_id: &str, api_client_id: &str, user_did: &str,) -> Result<String, AppError> { let lookup_sql = adapt_sql( "SELECT dpop_key_id FROM happyview_dpop_sessions WHERE id = ? AND api_client_id = ? AND user_did = ?", backend, ); let row: Option<(String,)> = crate::db::query_as(&lookup_sql) .bind(session_id) .bind(api_client_id) .bind(user_did) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to look up DPoP session: {e}")))?;
let (dpop_key_id,) = row.ok_or_else(|| AppError::NotFound("DPoP session not found".into()))?;
let del_session_sql = adapt_sql("DELETE FROM happyview_dpop_sessions WHERE id = ?", backend); crate::db::query(&del_session_sql) .bind(session_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete DPoP session: {e}")))?;
let del_key_sql = adapt_sql("DELETE FROM happyview_dpop_keys WHERE id = ?", backend); crate::db::query(&del_key_sql) .bind(&dpop_key_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete DPoP key: {e}")))?;
Ok(dpop_key_id)}