feat: build sanitized WP7-05 coverage evidence

2026-08-04 17:08:44 +08:00
parent 8abf1397a6
commit 55646ba1b4
3 changed files with 87 additions and 1 deletions
@@ -0,0 +1,45 @@
+import path from 'node:path';
+import { REQUIRED_COVERAGE_UNITS } from './wp7-05-ui-gate.mjs';
+
+const ABSOLUTE_PATH = /^(?:[A-Za-z]:[\\/]|[\\/]{2}|\\\\)/;
+
+function assertSafeRelative(value, field) {
+  if (typeof value !== 'string' || !value || ABSOLUTE_PATH.test(value) || path.isAbsolute(value)) {
+    throw new Error(`WP7_05_UNSAFE_${field}`);
+  }
+  const normalized = value.replaceAll('\\', '/');
+  if (normalized.split('/').includes('..')) throw new Error(`WP7_05_UNSAFE_${field}`);
+  return normalized;
+}
+
+export function buildCoverageEvidence({ runId, candidateSha256, coverageUnits, viewports }) {
+  if (!runId || !/^[A-Za-z0-9._-]+$/.test(runId)) throw new Error('WP7_05_INVALID_RUN_ID');
+  if (!/^[A-Fa-f0-9]{64}$/.test(candidateSha256 ?? '')) throw new Error('WP7_05_INVALID_CANDIDATE_HASH');
+  if (!Array.isArray(coverageUnits)) throw new Error('WP7_05_COVERAGE_UNITS_REQUIRED');
+
+  const byPage = new Map();
+  for (const unit of coverageUnits) {
+    if (!REQUIRED_COVERAGE_UNITS.includes(unit.page_id)) throw new Error('WP7_05_UNKNOWN_PAGE');
+    if (byPage.has(unit.page_id)) throw new Error('WP7_05_DUPLICATE_PAGE');
+    if (!Array.isArray(unit.states) || unit.states.length === 0) throw new Error('WP7_05_STATES_REQUIRED');
+    const states = unit.states.map((state) => ({
+      state: assertSafeRelative(state.state, 'STATE'),
+      screenshot_100pct: assertSafeRelative(state.screenshot_100pct, 'SCREENSHOT'),
+      screenshot_200pct: assertSafeRelative(state.screenshot_200pct, 'SCREENSHOT'),
+      trace: assertSafeRelative(state.trace, 'TRACE'),
+    }));
+    byPage.set(unit.page_id, { page_id: unit.page_id, states });
+  }
+  const missing = REQUIRED_COVERAGE_UNITS.filter((page) => !byPage.has(page));
+  if (missing.length) throw new Error(`WP7_05_MISSING_PAGES:${missing.join(',')}`);
+  if (!Array.isArray(viewports) || viewports.length !== 2) throw new Error('WP7_05_VIEWPORTS_REQUIRED');
+
+  return {
+    schema_version: '1.0',
+    task: 'TASK-WP7-05',
+    run_id: runId,
+    candidate_sha256: candidateSha256.toUpperCase(),
+    viewports,
+    coverage_units: REQUIRED_COVERAGE_UNITS.map((page) => byPage.get(page)),
+  };
+}