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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237import * as Effect from "effect/Effect";import { DOMAIN_CONFIGURATION_PURPOSE } from "../shared/bridge.ts";import { customDomainOrigin } from "../shared/domain-origin.ts";import { signBridgeAssertion } from "./bridge.ts";import { configuration, type Env } from "./config.ts";import { DomainAPI } from "./domain-api.ts";import { DomainAccountDenied, DomainAttachmentOutcomeUnknown, DomainInvalidHostname, DomainReauthorizationRequired, DomainSetupRequired, DomainTemporarilyUnavailable,} from "./domain-errors.ts";import { type DomainRecord, type DomainStart } from "./domain-metadata.ts";import { form, privateResponse } from "./http-response.ts";import { ownedInstallation } from "./installation-access.ts";import { InstallationConflict, InvalidMetadata,} from "./installation-errors.ts";import { installationId, parse, type Installation,} from "./installation-metadata.ts";import { installationRegistry } from "./registry-client.ts";import { authenticatedPrincipal, authorizedGrant, grantedAccounts, vault,} from "./session.ts";import { bodyJson, withResponse } from "../server/http.ts";import { ensureWorkflow, terminateWorkflow } from "./workflow-instance.ts";
export function requireDomainCapability(env: Env, scopes: string[]) { return Effect.gen(function* () { const manifest = (yield* configuration(env).pipe( Effect.mapError(() => new DomainSetupRequired()), )).oauthCapabilities!; for (const capability of ["domain-zones", "domain-routing"] as const) { const required = manifest.scopes.filter((scope) => scope.capabilities.includes(capability), ); if (!required.length) return yield* new DomainSetupRequired(); if (required.some((scope) => !scopes.includes(scope.id))) return yield* new DomainReauthorizationRequired(); } });}export function configureRuntimeDomain( env: Env, record: Installation, domain: DomainRecord, network: typeof fetch = fetch,) { return Effect.gen(function* () { const assertion = yield* signBridgeAssertion(env, { aud: record.resources.runtimeOrigin!, sub: record.ownerSubject, installationId: record.installationId, purpose: DOMAIN_CONFIGURATION_PURPOSE, state: String(domain.revision), challenge: domain.origin ?? "", }).pipe(Effect.mapError(() => new DomainTemporarilyUnavailable())); yield* withResponse( network, new URL("/auth/domain-configuration", record.resources.runtimeOrigin!), { method: "POST", headers: { Authorization: `Bearer ${assertion}` }, }, 15_000, new DomainTemporarilyUnavailable(), (response) => Effect.gen(function* () { if (!response.ok) return yield* response.status === 404 ? new DomainSetupRequired() : new DomainTemporarilyUnavailable(); const result = yield* bodyJson( response, 128 * 1024, new DomainTemporarilyUnavailable(), ); if ( !result || typeof result !== "object" || !("revision" in result) || !("origin" in result) || result.revision !== domain.revision || result.origin !== domain.origin || Object.keys(result).sort().join() !== "origin,revision" ) return yield* new DomainTemporarilyUnavailable(); }), ); });}
// Called only after the installation router's exact-Origin mutation guard.export function setupDomain( request: Request, env: Env, id: string, action: string | undefined, network: typeof fetch,) { return Effect.gen(function* () { const record = yield* ownedInstallation(request, env, id); if (!record.installedRelease || !record.resources.runtimeOrigin) return yield* new DomainSetupRequired(); const principal = yield* authenticatedPrincipal(request, env); const registry = installationRegistry(env, principal.subject); const json = (data: unknown, status = 200) => privateResponse(Response.json(data, { status })); if (request.method === "GET" && !action) return json({ ownerSubject: record.ownerSubject, installationId: id, accountId: record.accountId, runtimeOrigin: record.resources.runtimeOrigin, domain: yield* registry.getDomain(principal.subject, id), }); const grant = yield* authorizedGrant(env, principal); yield* requireDomainCapability(env, grant.scopes); if ( !(yield* grantedAccounts(env, principal, network)).some( (account) => account.id === record.accountId, ) ) return yield* new DomainAccountDenied(); const api = new DomainAPI(grant.accessToken, record, network); if (request.method === "GET" && action === "zones") return json({ ownerSubject: record.ownerSubject, accountId: record.accountId, zones: yield* api.zones(), }); if ( request.method !== "POST" || (action && !["remove", "retry"].includes(action)) ) return yield* new InvalidMetadata(); const input = yield* form(request); const keys = action ? ["requestId"] : ["requestId", "zoneId", "hostname"]; if ( [...input.keys()].length !== keys.length || keys.some((key) => input.getAll(key).length !== 1) ) return yield* new InvalidMetadata(); const requestId = parse(installationId, input.get("requestId")); let intent: DomainStart; if (action) intent = { action: action as "remove" | "retry" }; else { const hostname = input.get("hostname")!.trim().toLowerCase(); const origin = customDomainOrigin(`https://${hostname}`); if (!origin) return yield* new DomainInvalidHostname(); const zoneId = parse(installationId, input.get("zoneId")); yield* api.zone(zoneId, hostname); intent = { action: "attach", origin, zoneId }; } if (grant.expiresAt < Date.now() + 120_000) return yield* new DomainReauthorizationRequired(); if ( action && !(yield* registry.domainReplay(principal.subject, id, requestId)) ) { const previous = yield* registry.getDomain(principal.subject, id); if ( action === "remove" && previous?.action === "attach" && (previous.status === "connecting" || (previous.writeIntent && !previous.domainId)) ) return yield* new DomainAttachmentOutcomeUnknown(); if (previous && ["connecting", "removing"].includes(previous.status)) { // Stop the old execution before a new intent can supersede it. Remote // writes already in flight are reconciled using the preserved write intent. yield* terminateWorkflow(env, previous.operationId).pipe( Effect.catch((error) => error.missing ? Effect.void : new DomainTemporarilyUnavailable(), ), ); const current = yield* registry.getDomain(principal.subject, id); if (current?.operationId !== previous.operationId) return yield* new InstallationConflict(); if (["connecting", "removing"].includes(current.status)) yield* registry.updateDomain( principal.subject, id, current.operationId, current.revision, { status: "failed", errorCode: "temporarily_unavailable", domainId: current.domainId, writeIntent: current.writeIntent, }, ); else if ( action === "retry" && ["active", "removed"].includes(current.status) ) return json({ domain: current }); } } const domain = yield* registry.startDomain( principal.subject, id, requestId, intent, Math.min(Date.now() + 20 * 60_000, grant.expiresAt - 30_000), ); if (!["connecting", "removing"].includes(domain.status)) return json({ domain }); // The same reservation repairs ambiguous vault or Workflow creation replies. yield* vault(env, "operation", domain.operationId).createOperation({ subject: principal.subject, accountId: record.accountId, installationId: id, operationId: domain.operationId, grantRef: principal.grantRef, expiresAt: domain.deadline, bootstrapSecret: null, }); yield* ensureWorkflow(env, domain.operationId, { ownerSubject: principal.subject, installationId: id, operationId: domain.operationId, kind: "domain", }).pipe(Effect.mapError(() => new DomainTemporarilyUnavailable())); return json({ domain }, 202); });}