| from __future__ import annotations |
|
|
| from src.domain import AlertClass, ClaimKind, MIN_VALID_EVENTS, StateKnown, Tag, Verdict |
| from src.i18n import t |
| from src.schemas import ChangeFinding, Claim, PipelineResult, ValidationReport |
|
|
|
|
| def status_label(lang: str, verdict: Verdict, live: bool) -> str: |
| suffix = t(lang, "live_note") if live else t(lang, "cached_note") |
| return f"{t(lang, f'verdict_{verdict.value}')} · {suffix}" |
|
|
|
|
| def decide_verdict(n_valid: int, report: ValidationReport) -> Verdict: |
| if not report.ok: |
| return Verdict.INVALID |
| if n_valid < MIN_VALID_EVENTS: |
| return Verdict.INSUFFICIENT |
| return Verdict.READY |
|
|
|
|
| def reasons(lang: str, result: PipelineResult) -> list[str]: |
| kpis = result.kpis |
| lines = [ |
| t(lang, "reason_counts").format(valid=kpis.n_valid, raw=kpis.n_raw, dropped=kpis.n_dropped, changes=kpis.n_changes), |
| t(lang, "reason_alerts").format(security=kpis.n_security_review, context=kpis.n_context, threshold=kpis.threshold), |
| t(lang, "reason_eval").format( |
| recall="—" if kpis.event_recall is None else f"{100 * kpis.event_recall:.0f}%", |
| precision="—" if kpis.precision_at_k is None else f"{100 * kpis.precision_at_k:.0f}%", |
| fa="—" if kpis.false_alarms_per_account_day is None else f"{kpis.false_alarms_per_account_day:.3f}", |
| ), |
| t(lang, "reason_maint").format(n=kpis.maintenance_as_security), |
| t(lang, "reason_score"), |
| ] |
| for issue in result.validation.issues[:6]: |
| lines.append(f"{issue.severity}: {issue.message}") |
| return lines |
|
|
|
|
| def annotate_finding(row: ChangeFinding) -> ChangeFinding: |
| before = f"`{row.before_event_id}`" if row.before_state == StateKnown.KNOWN and row.before_event_id else "unknown" |
| after = f"`{row.after_event_id or row.event_id}`" if row.after_state == StateKnown.KNOWN else "unknown" |
| row.observed = [ |
| f"`{row.event_name}` by `{row.actor_alias}` ({row.actor_kind}/{row.actor_role}) on `{row.account_alias}` at `{row.timestamp}`", |
| f"resource `{row.resource_alias}` ({row.resource_kind}) in `{row.region}`; change_type `{row.change_type}`", |
| f"request summary: {row.request_summary or '—'}", |
| f"before={before}; after={after}; ticket `{row.change_ticket or 'none'}`; approval `{row.approval_status.value}`", |
| f"evidence event_id values: {', '.join(row.evidence_event_ids[:6]) or row.event_id}", |
| ] |
| row.inferred = [ |
| f"tag `{row.tag.value}` is a review hint, not proof of current cloud exposure", |
| f"score={row.score:.2f}; methods={', '.join(row.methods_fired) or 'none'}", |
| f"open_cidr={row.cidr_open}; public_policy={row.policy_public}; logging_off={row.logging_off}; detector_off={row.detector_off}; wildcard_trust={row.wildcard_trust}", |
| f"severity `{row.severity.value}` is separate from approval `{row.approval_status.value}`", |
| ] |
| if row.gold_event_ids: |
| row.inferred.append(f"overlaps lab event {', '.join(row.gold_event_ids)} ({row.gold_family or 'unlabeled'})") |
| if row.incomplete: |
| row.action = "Request parameters are missing. Mark as insufficient evidence. Do not conclude current exposure or apply a cloud change from this demo." |
| elif row.tag == Tag.MAINTENANCE: |
| row.action = "This matches the approved Sunday staging window and ticket. Keep it as context; severity can still be medium." |
| elif row.tag == Tag.OPEN_SG: |
| row.action = "The event requested 0.0.0.0/0. Review the security-group change. This screen does not update AWS." |
| elif row.tag == Tag.PUBLIC_S3: |
| row.action = "The event requested a public-access change. Current bucket exposure is unknown unless a before event is also in this export." |
| elif row.tag == Tag.TRAIL_STOP: |
| row.action = "Logging stop/delete was requested. Confirm with the change ticket; do not call the trail disabled in production from one event." |
| elif row.tag == Tag.DETECTOR: |
| row.action = "A detector or recorder disable was requested. Review as logging control, not as a confirmed blind spot." |
| elif row.tag == Tag.ROOT: |
| row.action = "Root activity is always reviewable. This demo never uses a root credential and never changes the account." |
| elif row.tag == Tag.TRUST: |
| row.action = "The trust policy request includes a wildcard principal. Review the role; do not assume the live policy equals this event." |
| elif row.tag == Tag.IAM_ESCALATION: |
| row.action = "A privilege-grant event is on the backlog. Confirm the intended role and ticket. No IAM write is sent from here." |
| elif row.tag == Tag.ACCESS_KEY: |
| row.action = "An access key create event needs a human look. Keys in this lab are fake and redacted." |
| elif row.tag == Tag.RESTRICTED_SG: |
| row.action = "Ingress is present but not 0.0.0.0/0. Treat as context unless other evidence appears." |
| else: |
| row.action = "No security-review alert. Keep the change as context or ignore read-only noise." |
| row.claims = [ |
| Claim(kind=ClaimKind.OBSERVED, text=row.observed[0], locator=row.event_id, field="event"), |
| Claim(kind=ClaimKind.INFERRED, text=row.inferred[0], locator=row.event_id, field="tag"), |
| Claim(kind=ClaimKind.ACTION, text=row.action, locator=row.event_id, field="action"), |
| ] |
| if row.before_state == StateKnown.UNKNOWN or row.after_state == StateKnown.UNKNOWN: |
| row.claims.append( |
| Claim( |
| kind=ClaimKind.UNKNOWN, |
| text="Before/after configuration is unknown unless both events exist in this export.", |
| locator=row.event_id, |
| field="before_after", |
| ) |
| ) |
| if row.alert_class == AlertClass.NONE and not row.gold_event_ids: |
| row.claims.append(Claim(kind=ClaimKind.UNKNOWN, text="No authored lab event overlaps this change.", locator=row.event_id, field="gold")) |
| return row |
|
|
|
|
| def finding_markdown(lang: str, row: ChangeFinding | None) -> str: |
| if row is None: |
| return t(lang, "empty_card") |
| observed = "\n".join(f"- {text}" for text in row.observed) or "- —" |
| inferred = "\n".join(f"- {text}" for text in row.inferred) or "- —" |
| return ( |
| f"### `{row.finding_id}`\n\n" |
| f"**{t(lang, 'observed')}**\n{observed}\n\n" |
| f"**{t(lang, 'inferred')}**\n{inferred}\n\n" |
| f"**{t(lang, 'action')}**\n- {row.action}\n\n" |
| f"{t(lang, 'severity')} `{row.severity.value}` · {t(lang, 'confidence')} `{row.confidence.value}` · " |
| f"{t(lang, 'workflow')} `{row.workflow.value}` · {t(lang, 'approval')} `{row.approval_status.value}` · " |
| f"gold `{row.gold_family or '—'}`" |
| ) |
|
|
|
|
| def state_markdown(lang: str, row: ChangeFinding | None) -> str: |
| if row is None: |
| return t(lang, "empty_state") |
| return ( |
| f"**{t(lang, 'state_card')}** `{row.resource_alias}`\n\n" |
| f"- {t(lang, 'before')}: `{row.before_state.value}` {('· `' + row.before_event_id + '`') if row.before_event_id else ''}\n" |
| f"- {t(lang, 'after')}: `{row.after_state.value}` {('· `' + (row.after_event_id or row.event_id) + '`') if row.after_state.value == 'known' else ''}\n" |
| f"- {t(lang, 'state_note')}\n" |
| f"- {t(lang, 'approval')}: `{row.approval_status.value}` · ticket `{row.change_ticket or '—'}`" |
| ) |
|
|
