import type { Effect } from "effect"; import { Schema } from "effect"; import type { Connection } from "./connection"; import type { UserActionableError } from "./errors"; import type { StorageFailure } from "./fuma-runtime"; import { type AuthTemplateSlug, type ConnectionName, type IntegrationSlug, OAuthClientSlug, OAuthState, type Owner, } from "./ids"; /* The v2 OAuth surface contracts. OAuth is a credential mechanism, not an * integration type. A client is a registered app; running its flow mints a * Connection. The client is self-contained (carries its own endpoints) and * integration-independent, so the same app can back connections on whatever * integrations share that provider. * * The OAuth 2.1 *implementation* (PKCE, DCR, token exchange + refresh) lives in * `oauth-helpers` / `oauth-discovery` / `oauth-service`; these are the public * input/output shapes the executor's `oauth.*` namespace speaks. */ export type OAuthGrant = "authorization_code" | "client_credentials"; /** Provider OAuth config an integration declares as one of its auth templates — * what to request. (The flow itself runs off the self-contained OAuthClient.) * Keyed `kind: "oauth2"` like every auth method across the plugins. */ export interface OAuthAuthentication { readonly slug: AuthTemplateSlug; readonly kind: "oauth2"; readonly authorizationUrl: string; readonly tokenUrl: string; /** RFC 8707 Resource Indicator to bind the OAuth flow to this protected * resource, when discovered from protected-resource metadata. */ readonly resource?: string | null; readonly scopes: readonly string[]; /** True when the authorization server supports OAuth Client ID Metadata * Document (CIMD). The local OAuth client is then a public PKCE client whose * `client_id` is this host's metadata-document URL, not a provider-side * registered app id. */ readonly supportsClientIdMetadataDocument?: boolean; } /** A registered OAuth app — pure app identity: clientId/secret + its endpoints. * Owner-scoped: a shared org app or a user's own BYO app. The app does NOT carry * scopes — what to request is the INTEGRATION's concern (`OAuthAuthentication. * scopes`, surfaced via the declared auth method), so the same app can back any * integration without pinning a scope set. */ export interface OAuthClient { readonly owner: Owner; readonly slug: OAuthClientSlug; readonly authorizationUrl: string; readonly tokenUrl: string; readonly grant: OAuthGrant; readonly clientId: string; /** The literal client secret. Stored out-of-band in the credential provider * (vault item id), never inline. Empty string for public / PKCE clients. */ readonly clientSecret: string; /** RFC 8707 Resource Indicator (MCP). Carried so the refresh request can keep * the re-minted token bound to the same resource. Null/omitted otherwise. */ readonly resource?: string | null; } export type OAuthClientOrigin = | { readonly kind: "manual"; /** Integration whose connect dialog registered this manual app, when the * registration happened from within one. Lets the picker match a BYO app * to its integration by recorded intent (exact) instead of guessing by * root domain. Null for apps registered outside any integration context * (and for legacy rows predating the stamp). */ readonly integration?: IntegrationSlug | null; } | { readonly kind: "dynamic_client_registration"; readonly integration?: IntegrationSlug | null; } | { /** A host-operated app declared in executor config (`firstPartyOAuthClients`), * not a stored row: the deployment operator registered ONE app with the * provider (GitHub, Google, …) and every org connects through it, so * users paste nothing. Config-resolved — never persisted, never * creatable or removable through the client CRUD surface. Plural * `integrations` (unlike the stored origins' single recorded intent): * one Google app deliberately backs gmail, calendar, drive, …. */ readonly kind: "first_party"; readonly integrations?: readonly IntegrationSlug[]; /** OAuth scopes this deployment permits the app to request. Omitted means * the provider app is unrestricted; present means every requested scope * must be in this set. This is public policy metadata, not a secret. */ readonly allowedScopes?: readonly string[]; }; /** Slug namespace separating config-declared first-party apps from stored * owner-scoped rows. A first-party client declared as `github` is addressed * everywhere (start input, connection rows' `oauth_client` column, listings) * as `first-party:github`, so it can never collide with a BYO row and every * load path can intercept before touching storage. The client CRUD surface * rejects the prefix on stored rows. */ export const FIRST_PARTY_OAUTH_CLIENT_PREFIX = "first-party:"; export const isFirstPartyOAuthClientSlug = (slug: string): boolean => slug.startsWith(FIRST_PARTY_OAUTH_CLIENT_PREFIX); export const firstPartyOAuthClientSlug = (name: string): OAuthClientSlug => OAuthClientSlug.make(`${FIRST_PARTY_OAUTH_CLIENT_PREFIX}${name}`); /** A first-party OAuth app the HOST declares at composition time — the * deployment operator's own registered app for a provider. The secret comes * from host env/config and stays in memory: it is never written to a * credential provider and never surfaced over any read surface. Minted * connections (and their tokens) remain per-owner exactly as with BYO apps; * only the app identity is shared. */ export interface FirstPartyOAuthClientConfig { /** Unprefixed name, e.g. `"github"`; addressed as `first-party:github`. */ readonly name: string; readonly authorizationUrl: string; readonly tokenUrl: string; readonly clientId: string; /** Literal secret from host env. Empty string for a public/PKCE client. */ readonly clientSecret: string; /** RFC 8707 protected resource for MCP-style providers. Required when the * integration discovers its OAuth scopes from resource metadata. */ readonly resource?: string | null; /** Integrations this app is intended for, used by pickers to rank it as the * exact-match default for those integrations. Endpoint-host matching still * applies when omitted. */ readonly integrations?: readonly IntegrationSlug[]; /** Scopes sent on the provider authorization request instead of the * integration-declared set. Use an empty array for providers such as * GitHub Apps, whose capabilities are configured on the app and whose OAuth * user-token flow does not use scopes. Omit for normal OAuth clients. */ readonly authorizationScopes?: readonly string[]; /** OAuth scopes this deployment permits the app to request. Omit to allow * every scope declared by a matching integration. For declared scopes, * start and completion fail unless every requested scope belongs to this * set. For MCP-style discovery, the provider's advertised scope catalog is * capped to this set because it may include capabilities the registered app * was not approved for. */ readonly allowedScopes?: readonly string[]; } /** Whether a first-party app may request an integration's complete OAuth scope * set. An omitted policy preserves provider-wide clients; an explicit policy * is fail-closed and requires every requested scope to be listed. */ export const firstPartyOAuthClientAllowsScopes = ( config: Pick, requestedScopes: readonly string[], ): boolean => { if (config.allowedScopes === undefined) return true; const allowed = new Set(config.allowedScopes); return requestedScopes.every((scope) => allowed.has(scope)); }; export type CreateOAuthClientInput = OAuthClient & { /** Stored-row origins only — `first_party` is config-declared, never created * through this surface (the service also rejects the slug namespace). */ readonly origin?: Exclude; readonly originIssuer?: string | null; /** The redirect URI a DCR registration sent as the client's `redirect_uris` * entry. Persisted so reuse can detect a changed callback (strict servers * reject an authorize request whose redirect_uri differs from the * registration). Ignored for manual clients. */ readonly originRedirectUri?: string | null; }; /** Metadata-only projection of a registered client for listing in the UI. * Deliberately omits `clientSecret` — the secret is never returned over the * read surface. `clientId` is included (it is not a secret; it is sent in the * authorize URL the user's browser visits). */ export interface OAuthClientSummary { readonly owner: Owner; readonly slug: OAuthClientSlug; readonly grant: OAuthGrant; readonly authorizationUrl: string; readonly tokenUrl: string; readonly resource?: string | null; readonly clientId: string; readonly origin: OAuthClientOrigin; } /** Flow-aware result of `oauth.start` — the status says what's next. */ export type ConnectResult = | { readonly status: "connected"; readonly connection: Connection } | { readonly status: "redirect"; readonly authorizationUrl: string; readonly state: OAuthState; }; /** Start a flow through a client to mint a connection for one integration. * `template` is the integration's oauth template the minted token is applied * through. */ export interface OAuthStartInput { readonly client: OAuthClientSlug; /** The owner that owns `client`. Supplied explicitly (the picker knows it), so * a Personal connection can be minted through a shared Workspace app without * any owner-derivation rule. A Workspace connection must use a Workspace app. */ readonly clientOwner: Owner; /** The owner the minted CONNECTION is saved under (may differ from `clientOwner`). */ readonly owner: Owner; readonly name: ConnectionName; readonly integration: IntegrationSlug; readonly template: AuthTemplateSlug; /** Display label for the minted connection. When omitted, the server derives * one from the provider's OIDC account claims (the account email) when the * grant carries them; a re-mint of an existing connection keeps its stored * label. Send a value only for a label the user actually chose. */ readonly identityLabel?: string | null; /** Mint a NEW connection: when `name` is already taken, the mint picks the * next free suffixed name (`personalGmail2`) instead of re-minting the * existing row. Omit for reconnect flows, which target the existing row. */ readonly newConnection?: boolean; /** Browser-facing callback URL for this flow. Defaults to the executor's configured redirectUri. */ readonly redirectUri?: string | null; } export interface OAuthCompleteInput { readonly state: OAuthState; readonly code: string; /** Non-standard regional host the authorization server returns on the * callback (Datadog's `domain`/`site` params) so the code is redeemed at the * org's actual region rather than the statically advertised one. Used only * when it is a sibling subdomain of the client's configured token host. */ readonly callbackDomain?: string | null; } /** Probe a base/issuer URL for OAuth 2.1 authorization-server metadata so the * onboarding UI can pre-fill a client's endpoints. */ export interface OAuthProbeInput { readonly url: string; } export interface OAuthProbeResult { /** RFC 8414 authorization-server issuer. Used to key DCR clients per AS. */ readonly issuer?: string | null; readonly authorizationUrl: string; readonly tokenUrl: string; /** RFC 8707 resource indicator discovered from protected-resource metadata. * Persist this on DCR clients so authorize/token/refresh requests stay bound * to the protected resource. */ readonly resource?: string | null; readonly scopesSupported?: readonly string[]; /** Whether the server advertises dynamic client registration (RFC 7591). */ readonly registrationEndpoint?: string | null; /** RFC 8414 `token_endpoint_auth_methods_supported`. Surfaced so DCR can pick * a public ("none") client when the server allows it. */ readonly tokenEndpointAuthMethodsSupported?: readonly string[]; /** Draft OAuth Client ID Metadata Document support, advertised by providers * such as PostHog as `client_id_metadata_document_supported`. */ readonly clientIdMetadataDocumentSupported?: boolean; } /** Mint an OAuth client via RFC 7591 Dynamic Client Registration and persist it. * The user pastes NO client id/secret — the authorization server mints a * (public, PKCE) client which is stored as an owner-scoped `oauth_client`. */ export interface RegisterDynamicClientInput { readonly owner: Owner; readonly slug: OAuthClientSlug; /** RFC 8414 authorization-server issuer, when discovered before DCR. */ readonly issuer?: string | null; /** RFC 7591 registration endpoint advertised by the authorization server. */ readonly registrationEndpoint: string; readonly authorizationUrl: string; readonly tokenUrl: string; /** RFC 8707 Resource Indicator (MCP). Persisted on the minted client when known. */ readonly resource?: string | null; readonly scopes: readonly string[]; /** Auth methods the server advertises. When it allows `none` a public * (PKCE-only, no secret) client is registered; otherwise `client_secret_post`. */ readonly tokenEndpointAuthMethodsSupported?: readonly string[]; /** Human label for the registered app (RFC 7591 `client_name`). */ readonly clientName?: string; /** Browser-facing callback URL to register. Defaults to the executor's configured redirectUri. */ readonly redirectUri?: string | null; /** Integration that requested this dynamic client, when known. */ readonly originIntegration?: IntegrationSlug | null; } export class OAuthStartError extends Schema.TaggedErrorClass()("OAuthStartError", { message: Schema.String, }) implements UserActionableError { readonly __executorUserActionable = true; readonly code = "oauth_start_error"; get userMessage(): string { return this.message; } } export class OAuthCompleteError extends Schema.TaggedErrorClass()("OAuthCompleteError", { message: Schema.String, /** True when the auth-code exchange failed in a way the user must restart. */ restartRequired: Schema.optional(Schema.Boolean), }) implements UserActionableError { readonly __executorUserActionable = true; readonly code = "oauth_complete_error"; get userMessage(): string { return this.message; } } export class OAuthProbeError extends Schema.TaggedErrorClass()("OAuthProbeError", { message: Schema.String, }) implements UserActionableError { readonly __executorUserActionable = true; readonly code = "oauth_probe_error"; get userMessage(): string { return this.message; } } export class OAuthRegisterDynamicError extends Schema.TaggedErrorClass()("OAuthRegisterDynamicError", { message: Schema.String, }) implements UserActionableError { readonly __executorUserActionable = true; readonly code = "oauth_register_dynamic_error"; get userMessage(): string { return this.message; } } export class OAuthSessionNotFoundError extends Schema.TaggedErrorClass()( "OAuthSessionNotFoundError", { state: OAuthState }, ) {} /** The OAuth surface the executor's `oauth.*` namespace and `ctx.oauth` expose. * Implemented by `makeOAuthService` (oauth-service.ts), wired by the executor * with the deps it needs to mint connections. */ export interface OAuthService { readonly createClient: ( input: CreateOAuthClientInput, ) => Effect.Effect; /** Mint a client via RFC 7591 Dynamic Client Registration (no pre-shared * client id/secret) and persist it as an owner-scoped `oauth_client`. */ readonly registerDynamicClient: ( input: RegisterDynamicClientInput, ) => Effect.Effect; /** All registered clients visible to the caller (their org's shared clients + * their own user clients), as metadata-only summaries — never the secret. */ readonly listClients: () => Effect.Effect; /** Permanently remove a registered OAuth app, keyed by (owner, slug). The * owner policy on `oauth_client` prevents removing another subject's user app. * Idempotent: removing an already-gone app succeeds. Connections that * referenced the slug keep their stored value and fail at the next token * refresh, prompting a reconnect — this op never cascades into connections. */ readonly removeClient: ( owner: Owner, slug: OAuthClientSlug, ) => Effect.Effect; readonly start: ( input: OAuthStartInput, ) => Effect.Effect; readonly complete: ( input: OAuthCompleteInput, ) => Effect.Effect; readonly cancel: (state: OAuthState) => Effect.Effect; readonly probe: ( input: OAuthProbeInput, ) => Effect.Effect; }