62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
import type { ProviderIdentity } from "./AnalysisProvider.js";
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import {
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createEvidence,
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type Evidence,
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type EvidenceObservation,
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} from "../domain/evidence.js";
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import { jsonValueSchema } from "../domain/jsonValue.js";
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import type {
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BrowserTargetList,
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InspectWebPageInput,
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ListBrowserTargetsInput,
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WebPageInspection,
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} from "../domain/browserObservation.js";
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type BrowserEvidenceInput = ListBrowserTargetsInput | InspectWebPageInput;
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type BrowserEvidenceResult = BrowserTargetList | WebPageInspection;
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/** Create Evidence v2 for a policy-scoped external browser observation. */
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export const createBrowserEvidence = (
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operation: "list_browser_targets" | "inspect_web_page",
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input: BrowserEvidenceInput,
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result: BrowserEvidenceResult,
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provider: ProviderIdentity,
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): Evidence =>
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createEvidence(undefined, provider, {
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predicateType:
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operation === "list_browser_targets"
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? "rea.browser-target-list/v1"
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: "rea.web-page-inspection/v1",
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operation,
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parameters: browserParameters(input),
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result: jsonValueSchema.parse(result),
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confidence: "observed",
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authority: "external-service",
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environment:
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"target" in result
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? {
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id: `${result.browser.product}@${result.browser.revision}`,
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platform: process.platform,
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architecture: process.arch,
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isolation: "none",
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}
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: null,
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limitations: result.limitations,
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});
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const browserParameters = (
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input: BrowserEvidenceInput,
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): EvidenceObservation["parameters"] => ({
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cdp_endpoint: input.cdp_endpoint,
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allowed_origins: input.allowed_origins,
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...("target_id" in input
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? {
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target_id: input.target_id,
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observation_ms: input.observation_ms,
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include_script_sources: input.include_script_sources,
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include_storage_keys: input.include_storage_keys,
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limits: input.limits,
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}
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: { offset: input.offset, limit: input.limit }),
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});
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