270 lines
22 KiB
TypeScript
270 lines
22 KiB
TypeScript
import { normalizeProjectAssetPath } from "./asset-path";
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import { blockedGate, capabilityIssue, readyGate, type CapabilityGateResult } from "./capability-gates";
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import type { ErrorCode } from "./error";
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export const SCRIPTING_PLATFORM_SCHEMA = 1 as const;
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export const SCRIPT_SOURCE_SCHEMA = 1 as const;
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export const SCRIPT_EXECUTION_AUDIT_SCHEMA = 1 as const;
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export const SCRIPT_EXECUTION_AUDIT_LOG_SCHEMA = 1 as const;
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export const SCRIPTING_BUDGET = { maxScripts: 1_024, maxPermissions: 64, maxDependencies: 128, maxCpuMs: 60_000, maxMemoryBytes: 512 * 1024 * 1024, maxWallMs: 300_000, maxSourceBytes: 1024 * 1024, maxSourceLines: 65_536, maxAuditEntries: 65_536 } as const;
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export const SCRIPT_PERMISSIONS = ["READ_MAIN", "WRITE_MAIN", "READ_ASSET", "WRITE_ASSET", "SUBMIT_SERVER_JOB"] as const;
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export type ScriptPermission = typeof SCRIPT_PERMISSIONS[number];
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export interface ScriptDependencyIR { id: string; sourceSha256: string; sourcePath: string }
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export interface ScriptManifestIR {
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id: string;
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name: string;
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entryPath: string;
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sourceSha256: string;
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publisher: string;
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signature: string;
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keyId: string;
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permissions: ScriptPermission[];
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dependencies: ScriptDependencyIR[];
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cpuMs: number;
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memoryBytes: number;
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wallMs: number;
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network: false;
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autorun: false;
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driverExpressions: false;
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addonInstall: false;
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}
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export interface ScriptingManifestIR { schemaVersion: typeof SCRIPTING_PLATFORM_SCHEMA; scripts: ScriptManifestIR[] }
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export interface ScriptSourceIR {
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id: string;
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name: string;
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source: string;
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sourceSha256: string;
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byteLength: number;
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lineCount: number;
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sourcePath?: string;
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internal: boolean;
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moduleAutorunRequested: boolean;
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readOnly: true;
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executionStatus: "BLOCKED";
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errorCode: "SCRIPT_POLICY_DENIED" | "SCRIPT_SANDBOX_UNAVAILABLE";
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}
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export interface ScriptSourceInventoryIR { schemaVersion: typeof SCRIPT_SOURCE_SCHEMA; sources: ScriptSourceIR[] }
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export interface ServerScriptJobIR { scriptId: string; sourceSha256: string; inputBlendSha256: string; outputBlendSha256?: string; status: "QUEUED" | "RUNNING" | "COMPLETE" | "FAILED" }
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export interface ScriptExecutionAuditIR {
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schemaVersion: typeof SCRIPT_EXECUTION_AUDIT_SCHEMA;
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requestId: string;
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requestedAt: string;
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scriptId: string;
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sourceSha256: string;
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manifestSha256: string;
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permissions: ScriptPermission[];
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budget: { cpuMs: number; memoryBytes: number; wallMs: number };
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approvedKey: boolean;
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decision: "DENY";
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reason: "SCRIPT_SIGNATURE_INVALID" | "SCRIPT_SANDBOX_UNAVAILABLE";
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requestSha256: string;
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}
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export interface ScriptExecutionAuditLogEntryIR {
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sequence: number;
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previousEntrySha256: string | null;
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audit: ScriptExecutionAuditIR;
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entrySha256: string;
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}
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export interface ScriptExecutionAuditLogIR {
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schemaVersion: typeof SCRIPT_EXECUTION_AUDIT_LOG_SCHEMA;
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entries: ScriptExecutionAuditLogEntryIR[];
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}
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export class ScriptingPlatformValidationError extends Error {
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readonly code: ErrorCode;
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constructor(code: ErrorCode, message: string) { super(`${code}: ${message}`); this.name = "ScriptingPlatformValidationError"; this.code = code; }
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}
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const SHA256 = /^[a-f0-9]{64}$/; const HEX_SIGNATURE = /^[a-f0-9]{128}$/;
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function record(value: unknown): value is Record<string, unknown> { return typeof value === "object" && value !== null && !Array.isArray(value); }
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function text(value: unknown, name: string, maximum = 256): string { if (typeof value !== "string" || value.length === 0 || value.length > maximum) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} is invalid`); return value; }
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function digest(value: unknown, name: string): string { if (typeof value !== "string" || !SHA256.test(value)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} must be a lowercase SHA-256 digest`); return value; }
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function path(value: unknown, name: string): string { try { return normalizeProjectAssetPath(text(value, name, 2048)); } catch { throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} is outside the project`); } }
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function integer(value: unknown, name: string, minimum: number, maximum: number): number { if (typeof value !== "number" || !Number.isSafeInteger(value) || value < minimum || value > maximum) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", `${name} exceeds the budget`); return value; }
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function stableJSON(value: unknown): string {
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if (Array.isArray(value)) return `[${value.map(stableJSON).join(",")}]`;
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if (record(value)) return `{${Object.keys(value).sort().map((key) => `${JSON.stringify(key)}:${stableJSON(value[key])}`).join(",")}}`;
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return JSON.stringify(value);
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}
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async function sha256(value: string): Promise<string> {
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const bytes = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(value));
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return [...new Uint8Array(bytes)].map((byte) => byte.toString(16).padStart(2, "0")).join("");
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}
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function canonicalAuditRequest(audit: Omit<ScriptExecutionAuditIR, "schemaVersion" | "requestSha256">): Omit<ScriptExecutionAuditIR, "schemaVersion" | "requestSha256"> {
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return { ...audit, permissions: [...audit.permissions].sort(), budget: { ...audit.budget } };
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}
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function isoDate(value: unknown, name: string): string {
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const result = text(value, name, 64); const date = new Date(result);
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if (!/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$/.test(result) || !Number.isFinite(date.getTime()) || date.toISOString() !== result) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} is invalid`);
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return result;
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}
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function auditRequestId(value: unknown, name: string): string {
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const result = text(value, name);
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if (!/^[-A-Za-z0-9:_./]{1,256}$/.test(result)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} is invalid`);
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return result;
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}
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function canonicalManifest(manifest: ScriptingManifestIR): ScriptingManifestIR {
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return {
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schemaVersion: manifest.schemaVersion,
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scripts: manifest.scripts
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.map((script) => ({ ...script, permissions: [...script.permissions].sort(), dependencies: script.dependencies.map((dependency) => ({ ...dependency })).sort((a, b) => a.id.localeCompare(b.id)) }))
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.sort((a, b) => a.id.localeCompare(b.id)),
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};
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}
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export async function createScriptExecutionAudit(
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manifest: unknown,
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scriptId: string,
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approvedKeyIds: ReadonlySet<string>,
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options: { requestId?: string; requestedAt?: string } = {},
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): Promise<ScriptExecutionAuditIR> {
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const parsed = parseScriptingManifest(manifest);
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const script = parsed.scripts.find((item) => item.id === scriptId);
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if (!script) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Unknown script ${scriptId}`);
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const requestId = auditRequestId(options.requestId ?? `script-audit:${scriptId}:${Date.now()}`, "requestId");
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const requestedAt = isoDate(options.requestedAt ?? new Date().toISOString(), "requestedAt");
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const approvedKey = approvedKeyIds.has(script.keyId);
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const reason = approvedKey ? "SCRIPT_SANDBOX_UNAVAILABLE" : "SCRIPT_SIGNATURE_INVALID";
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const manifestSha256 = await sha256(stableJSON(canonicalManifest(parsed)));
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const request = canonicalAuditRequest({ requestId, requestedAt, scriptId, sourceSha256: script.sourceSha256, manifestSha256, permissions: [...script.permissions], budget: { cpuMs: script.cpuMs, memoryBytes: script.memoryBytes, wallMs: script.wallMs }, approvedKey, decision: "DENY", reason });
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const requestSha256 = await sha256(stableJSON(request));
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return Object.freeze({
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schemaVersion: SCRIPT_EXECUTION_AUDIT_SCHEMA,
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requestId,
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requestedAt,
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scriptId,
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sourceSha256: script.sourceSha256,
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manifestSha256,
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permissions: Object.freeze([...script.permissions].sort()) as unknown as ScriptPermission[],
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budget: Object.freeze({ cpuMs: script.cpuMs, memoryBytes: script.memoryBytes, wallMs: script.wallMs }),
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approvedKey,
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decision: "DENY",
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reason,
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requestSha256,
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});
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}
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export async function parseScriptExecutionAudit(value: unknown): Promise<ScriptExecutionAuditIR> {
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if (!record(value) || value.schemaVersion !== SCRIPT_EXECUTION_AUDIT_SCHEMA || !Array.isArray(value.permissions) || !record(value.budget)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", "Script execution audit is invalid");
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const permissions = value.permissions.map((permission, index) => text(permission, `audit.permissions[${index}]`, 64) as ScriptPermission);
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if (permissions.length > SCRIPTING_BUDGET.maxPermissions || new Set(permissions).size !== permissions.length || permissions.some((permission) => !SCRIPT_PERMISSIONS.includes(permission)) || permissions.some((permission, index) => index > 0 && permissions[index - 1] > permission)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", "Audit permissions are invalid or not canonical");
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if (typeof value.approvedKey !== "boolean" || value.decision !== "DENY" || !["SCRIPT_SIGNATURE_INVALID", "SCRIPT_SANDBOX_UNAVAILABLE"].includes(value.reason as string) || value.reason !== (value.approvedKey ? "SCRIPT_SANDBOX_UNAVAILABLE" : "SCRIPT_SIGNATURE_INVALID")) throw new ScriptingPlatformValidationError("SCRIPT_POLICY_DENIED", "Audit decision is inconsistent with the default-deny policy");
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const request = canonicalAuditRequest({
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requestId: auditRequestId(value.requestId, "audit.requestId"),
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requestedAt: isoDate(value.requestedAt, "audit.requestedAt"),
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scriptId: text(value.scriptId, "audit.scriptId"),
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sourceSha256: digest(value.sourceSha256, "audit.sourceSha256"),
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manifestSha256: digest(value.manifestSha256, "audit.manifestSha256"),
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permissions,
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budget: { cpuMs: integer(value.budget.cpuMs, "audit.budget.cpuMs", 1, SCRIPTING_BUDGET.maxCpuMs), memoryBytes: integer(value.budget.memoryBytes, "audit.budget.memoryBytes", 1, SCRIPTING_BUDGET.maxMemoryBytes), wallMs: integer(value.budget.wallMs, "audit.budget.wallMs", 1, SCRIPTING_BUDGET.maxWallMs) },
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approvedKey: value.approvedKey,
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decision: "DENY",
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reason: value.reason as ScriptExecutionAuditIR["reason"],
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});
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const requestSha256 = digest(value.requestSha256, "audit.requestSha256");
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if (await sha256(stableJSON(request)) !== requestSha256) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", "Audit request digest does not match its canonical content");
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return { schemaVersion: SCRIPT_EXECUTION_AUDIT_SCHEMA, ...request, requestSha256 };
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}
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export async function parseScriptExecutionAuditLog(value: unknown): Promise<ScriptExecutionAuditLogIR> {
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if (!record(value) || value.schemaVersion !== SCRIPT_EXECUTION_AUDIT_LOG_SCHEMA || !Array.isArray(value.entries)) throw new ScriptingPlatformValidationError("PROTOCOL_MISMATCH", "Unsupported script execution audit log schema");
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if (value.entries.length > SCRIPTING_BUDGET.maxAuditEntries) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", "Script audit log exceeds the entry budget");
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const entries: ScriptExecutionAuditLogEntryIR[] = []; const requestIds = new Set<string>();
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for (const [index, entryValue] of value.entries.entries()) {
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if (!record(entryValue) || !record(entryValue.audit) || entryValue.sequence !== index + 1) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Audit log entry ${index} has an invalid sequence`);
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const audit = await parseScriptExecutionAudit(entryValue.audit);
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if (requestIds.has(audit.requestId)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Audit request ${audit.requestId} is replayed`);
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if (entries.length > 0 && audit.requestedAt <= entries[entries.length - 1].audit.requestedAt) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", "Audit log timestamps are not strictly increasing");
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const previousEntrySha256 = index === 0 ? null : entries[index - 1].entrySha256;
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if (entryValue.previousEntrySha256 !== previousEntrySha256) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Audit log entry ${index} breaks the hash chain`);
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const entrySha256 = digest(entryValue.entrySha256, `entries[${index}].entrySha256`);
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if (await sha256(stableJSON({ sequence: index + 1, previousEntrySha256, audit })) !== entrySha256) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Audit log entry ${index} digest does not match`);
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requestIds.add(audit.requestId); entries.push({ sequence: index + 1, previousEntrySha256, audit, entrySha256 });
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}
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return { schemaVersion: SCRIPT_EXECUTION_AUDIT_LOG_SCHEMA, entries };
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}
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export async function appendScriptExecutionAudit(logValue: unknown, auditValue: unknown): Promise<ScriptExecutionAuditLogIR> {
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const log = await parseScriptExecutionAuditLog(logValue); const audit = await parseScriptExecutionAudit(auditValue);
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if (log.entries.length >= SCRIPTING_BUDGET.maxAuditEntries) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", "Script audit log exceeds the entry budget");
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if (log.entries.some((entry) => entry.audit.requestId === audit.requestId)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Audit request ${audit.requestId} is replayed`);
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const previous = log.entries.at(-1);
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if (previous && audit.requestedAt <= previous.audit.requestedAt) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", "Audit log timestamps must be strictly increasing");
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const sequence = log.entries.length + 1; const previousEntrySha256 = previous?.entrySha256 ?? null;
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const entrySha256 = await sha256(stableJSON({ sequence, previousEntrySha256, audit }));
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return parseScriptExecutionAuditLog({ schemaVersion: SCRIPT_EXECUTION_AUDIT_LOG_SCHEMA, entries: [...log.entries, { sequence, previousEntrySha256, audit, entrySha256 }] });
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}
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export function parseScriptSourceInventory(value: unknown): ScriptSourceInventoryIR {
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if (!record(value) || value.schemaVersion !== SCRIPT_SOURCE_SCHEMA || !Array.isArray(value.sources)) throw new ScriptingPlatformValidationError("PROTOCOL_MISMATCH", "Unsupported script source inventory schema");
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if (value.sources.length > SCRIPTING_BUDGET.maxScripts) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", "Script source count exceeds the budget");
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const ids = new Set<string>(); let totalBytes = 0;
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const sources = value.sources.map((item, index): ScriptSourceIR => {
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const name = `sources[${index}]`; if (!record(item) || typeof item.source !== "string") throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} is invalid`);
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const id = text(item.id, `${name}.id`); if (!id.startsWith("text:") || ids.has(id)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name}.id is invalid`); ids.add(id);
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const byteLength = integer(item.byteLength, `${name}.byteLength`, 0, SCRIPTING_BUDGET.maxSourceBytes); totalBytes += byteLength;
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if (totalBytes > SCRIPTING_BUDGET.maxSourceBytes || new TextEncoder().encode(item.source).byteLength !== byteLength) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", `${name}.source exceeds or disagrees with the byte budget`);
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const moduleAutorunRequested = item.moduleAutorunRequested === true;
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if (item.readOnly !== true || item.executionStatus !== "BLOCKED" || item.internal !== (item.sourcePath === undefined) ||
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item.errorCode !== (moduleAutorunRequested ? "SCRIPT_POLICY_DENIED" : "SCRIPT_SANDBOX_UNAVAILABLE")) throw new ScriptingPlatformValidationError("SCRIPT_POLICY_DENIED", `${name} execution policy is invalid`);
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const sourcePath = item.sourcePath === undefined ? undefined : path(item.sourcePath, `${name}.sourcePath`);
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const lineCount = integer(item.lineCount, `${name}.lineCount`, 1, SCRIPTING_BUDGET.maxSourceLines);
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if (item.source.split("\n").length !== lineCount) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name}.lineCount disagrees with source`);
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return { id, name: text(item.name, `${name}.name`), source: item.source, sourceSha256: digest(item.sourceSha256, `${name}.sourceSha256`), byteLength, lineCount, sourcePath, internal: item.internal as boolean, moduleAutorunRequested, readOnly: true, executionStatus: "BLOCKED", errorCode: item.errorCode as ScriptSourceIR["errorCode"] };
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});
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return { schemaVersion: SCRIPT_SOURCE_SCHEMA, sources };
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}
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export async function verifyScriptSource(source: ScriptSourceIR): Promise<boolean> {
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const digestBytes = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(source.source));
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return [...new Uint8Array(digestBytes)].map((byte) => byte.toString(16).padStart(2, "0")).join("") === source.sourceSha256;
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}
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export function parseScriptingManifest(value: unknown): ScriptingManifestIR {
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if (!record(value) || value.schemaVersion !== SCRIPTING_PLATFORM_SCHEMA || !Array.isArray(value.scripts)) throw new ScriptingPlatformValidationError("PROTOCOL_MISMATCH", "Unsupported scripting manifest schema");
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if (value.scripts.length > SCRIPTING_BUDGET.maxScripts) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", "Script count exceeds the budget");
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const ids = new Set<string>();
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const scripts = value.scripts.map((item, index): ScriptManifestIR => {
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const name = `scripts[${index}]`; if (!record(item) || !Array.isArray(item.permissions) || !Array.isArray(item.dependencies)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${name} is invalid`);
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const id = text(item.id, `${name}.id`); if (ids.has(id)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Duplicate script ${id}`); ids.add(id);
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if (item.permissions.length > SCRIPTING_BUDGET.maxPermissions || item.permissions.some((permission) => !SCRIPT_PERMISSIONS.includes(permission as ScriptPermission)) || new Set(item.permissions).size !== item.permissions.length) throw new ScriptingPlatformValidationError("SCRIPT_POLICY_DENIED", `${name}.permissions are invalid or exceed the allowlist`);
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if (item.dependencies.length > SCRIPTING_BUDGET.maxDependencies) throw new ScriptingPlatformValidationError("SCRIPT_BUDGET_EXCEEDED", `${name}.dependencies exceed the budget`);
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const dependencies = item.dependencies.map((dependency, dependencyIndex): ScriptDependencyIR => { const dependencyName = `${name}.dependencies[${dependencyIndex}]`; if (!record(dependency)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${dependencyName} is invalid`); return { id: text(dependency.id, `${dependencyName}.id`), sourceSha256: digest(dependency.sourceSha256, `${dependencyName}.sourceSha256`), sourcePath: path(dependency.sourcePath, `${dependencyName}.sourcePath`) }; });
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if (item.network !== false || item.autorun !== false || item.driverExpressions !== false || item.addonInstall !== false) throw new ScriptingPlatformValidationError(item.driverExpressions === true ? "DRIVER_EXECUTION_BLOCKED" : item.addonInstall === true ? "ADDON_INSTALL_BLOCKED" : "SCRIPT_POLICY_DENIED", `${name} requests a denied execution policy`);
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if (typeof item.signature !== "string" || !HEX_SIGNATURE.test(item.signature)) throw new ScriptingPlatformValidationError("SCRIPT_SIGNATURE_INVALID", `${name}.signature is invalid`);
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return { id, name: text(item.name, `${name}.name`), entryPath: path(item.entryPath, `${name}.entryPath`), sourceSha256: digest(item.sourceSha256, `${name}.sourceSha256`), publisher: text(item.publisher, `${name}.publisher`), signature: item.signature, keyId: text(item.keyId, `${name}.keyId`, 128), permissions: [...item.permissions] as ScriptPermission[], dependencies, cpuMs: integer(item.cpuMs, `${name}.cpuMs`, 1, SCRIPTING_BUDGET.maxCpuMs), memoryBytes: integer(item.memoryBytes, `${name}.memoryBytes`, 1, SCRIPTING_BUDGET.maxMemoryBytes), wallMs: integer(item.wallMs, `${name}.wallMs`, 1, SCRIPTING_BUDGET.maxWallMs), network: false, autorun: false, driverExpressions: false, addonInstall: false };
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});
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const scriptIds = new Set(scripts.map((script) => script.id));
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const active = new Set<string>(); const complete = new Set<string>(); const visit = (id: string): void => { if (active.has(id)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Script dependency cycle includes ${id}`); if (complete.has(id)) return; const script = scripts.find((item) => item.id === id); if (!script) return; active.add(id); for (const dependency of script.dependencies) { if (!scriptIds.has(dependency.id)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `${id} references missing script ${dependency.id}`); visit(dependency.id); } active.delete(id); complete.add(id); }; scripts.forEach((script) => visit(script.id));
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return { schemaVersion: SCRIPTING_PLATFORM_SCHEMA, scripts };
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}
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export function gateScriptExecution(manifest: unknown, scriptId: string, approvedKeyIds: ReadonlySet<string>): CapabilityGateResult {
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const parsed = parseScriptingManifest(manifest); const script = parsed.scripts.find((item) => item.id === scriptId); if (!script) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", `Unknown script ${scriptId}`);
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if (!approvedKeyIds.has(script.keyId)) return blockedGate("N-025", `SCRIPT_${script.id}`, [capabilityIssue("SCRIPT_SIGNATURE_INVALID", `Script ${script.id} is not signed by an approved key`)]);
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return blockedGate("N-025", `SCRIPT_${script.id}`, [capabilityIssue("SCRIPT_SANDBOX_UNAVAILABLE", "Local Python/Native execution requires an isolated sandbox")]);
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}
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export function gateServerScriptJob(value: unknown, manifest: unknown, inputBlendSha256: string): CapabilityGateResult {
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const parsed = parseScriptingManifest(manifest); if (!record(value)) throw new ScriptingPlatformValidationError("SCRIPT_MANIFEST_INVALID", "Server script job is invalid"); const script = parsed.scripts.find((item) => item.id === value.scriptId); if (!script || script.sourceSha256 !== value.sourceSha256 || !SHA256.test(inputBlendSha256)) throw new ScriptingPlatformValidationError("ASSET_SOURCE_HASH_MISMATCH", "Server script job source hash is invalid");
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return blockedGate("N-025", `SERVER_SCRIPT_${script.id}`, [capabilityIssue("SERVER_JOB_UNAVAILABLE", "Server Blender job endpoint is not configured")]);
|
|
}
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|
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export function platformCapabilities(scope: typeof globalThis = globalThis): Record<string, "AVAILABLE" | "PROBE_REQUIRED" | "BLOCKED" | "UNAVAILABLE"> {
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return {
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|
worker: typeof scope.Worker === "function" ? "AVAILABLE" : "UNAVAILABLE",
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|
webgpu: "gpu" in scope.navigator ? "PROBE_REQUIRED" : "UNAVAILABLE",
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|
offscreenCanvas: "OffscreenCanvas" in scope ? "AVAILABLE" : "UNAVAILABLE",
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|
opfs: scope.navigator.storage && typeof (scope.navigator.storage as StorageManager & { getDirectory?: unknown }).getDirectory === "function" ? "PROBE_REQUIRED" : "UNAVAILABLE",
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|
nativeWindow: "BLOCKED",
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|
cuda: "BLOCKED",
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|
metal: "BLOCKED",
|
|
hip: "BLOCKED",
|
|
optix: "BLOCKED",
|
|
};
|
|
}
|