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import { BrowseVulnerabilitiesSchema } from './schema-readonly';
import { ManageVulnerabilitySchema } from './schema';
import { ToolRegistry, EnhancedToolDefinition } from '../../types';
import { assertActionAllowed } from '../utils';
import { ConnectionManager } from '../../services/ConnectionManager';
import { cleanGidsFromObject } from '../../utils/idConversion';
import { getGitLabApiUrlFromContext } from '../../oauth/token-context';
import {
LIST_PROJECT_VULNS,
LIST_GROUP_VULNS,
LIST_INSTANCE_VULNS,
GET_VULN,
DISMISS_VULN,
CONFIRM_VULN,
RESOLVE_VULN,
REVERT_VULN,
type VulnListVars,
} from '../../graphql/vulnerabilities';
// Vulnerability Management is Ultimate-tier; the capability gate hides the tool on
// lower tiers. The GraphQL surface stabilised around 13.x; the floor is declared
// here and the tier gate does the rest.
const ULTIMATE_REQ = {
tier: 'ultimate',
minVersion: '13.0',
notes: 'Vulnerability Management',
} as const;
const vulnerabilityGid = (id: number): string => `gid://gitlab/Vulnerability/${id}`;
/** Build the shared GraphQL list filter variables from the parsed input. */
function listVars(input: {
state?: string[];
severity?: string[];
report_type?: string[];
sort?: string;
first?: number;
after?: string;
}): VulnListVars {
return {
state: input.state ?? null,
severity: input.severity ?? null,
reportType: input.report_type ?? null,
sort: input.sort ?? null,
first: input.first ?? 20,
after: input.after ?? null,
};
}
/**
* Unwrap a mutation payload: surface a non-empty `errors` array as an error, treat
* a null payload as an error too (rather than silently returning undefined), and
* return the cleaned vulnerability on success.
*/
function unwrapVuln(
payload: { vulnerability: unknown; errors: string[] } | null | undefined,
): unknown {
if (!payload) {
throw new Error('GitLab API error: empty mutation response');
}
if (payload.errors.length > 0) {
throw new Error(`GitLab API error: ${payload.errors.join(', ')}`);
}
return cleanGidsFromObject(payload.vulnerability);
}
/**
* Vulnerabilities tools registry - 2 CQRS tools.
*
* browse_vulnerabilities (Query): list (project/group/instance), get
* manage_vulnerability (Command): dismiss, confirm, resolve, revert
*
* Backed by the GitLab GraphQL Vulnerability API (richer than REST). list scopes
* by project_id / group_id, or neither for an instance-wide view. State changes
* map to the vulnerability* mutations. Gated behind USE_VULNERABILITIES. Ultimate
* tier - the capability gate returns a clear error on Free/Premium.
*/
export const vulnerabilitiesToolRegistry: ToolRegistry = new Map<string, EnhancedToolDefinition>([
// ============================================================================
// browse_vulnerabilities - CQRS Query Tool
// ============================================================================
[
'browse_vulnerabilities',
{
name: 'browse_vulnerabilities',
description:
'Inspect security vulnerabilities (Ultimate). Actions: list (a project, a group, or the whole instance when neither id is given; filter by state, severity, report_type), get (a single vulnerability by ID with full detail). Related: manage_vulnerability to dismiss, confirm, resolve, or revert findings.',
inputSchema: z.toJSONSchema(BrowseVulnerabilitiesSchema),
requirements: { default: ULTIMATE_REQ },
gate: { envVar: 'USE_VULNERABILITIES', defaultValue: true },
handler: async (args: unknown): Promise<unknown> => {
const input = BrowseVulnerabilitiesSchema.parse(args);
assertActionAllowed('browse_vulnerabilities', input.action);
const client = ConnectionManager.getInstance().getClient(getGitLabApiUrlFromContext());
switch (input.action) {
case 'list': {
if (input.project_id) {
const res = await client.request(LIST_PROJECT_VULNS, {
fullPath: input.project_id,
...listVars(input),
});
if (!res.project) {
throw new Error(`Project "${input.project_id}" not found or not accessible`);
}
return cleanGidsFromObject(res.project.vulnerabilities ?? { nodes: [] });
}
if (input.group_id) {
const res = await client.request(LIST_GROUP_VULNS, {
fullPath: input.group_id,
...listVars(input),
});
if (!res.group) {
throw new Error(`Group "${input.group_id}" not found or not accessible`);
}
return cleanGidsFromObject(res.group.vulnerabilities ?? { nodes: [] });
}
const res = await client.request(LIST_INSTANCE_VULNS, {
projectId: null,
...listVars(input),
});
return cleanGidsFromObject(res.vulnerabilities ?? { nodes: [] });
}
case 'get': {
const res = await client.request(GET_VULN, {
id: vulnerabilityGid(input.vulnerability_id),
});
if (!res.vulnerability) {
throw new Error(`Vulnerability ${input.vulnerability_id} not found`);
}
return cleanGidsFromObject(res.vulnerability);
}
/* istanbul ignore next -- unreachable with Zod discriminatedUnion */
default:
throw new Error(`Unknown action: ${(input as { action: string }).action}`);
}
},
},
],
// ============================================================================
// manage_vulnerability - CQRS Command Tool
// ============================================================================
[
'manage_vulnerability',
{
name: 'manage_vulnerability',
description:
'Drive the vulnerability state machine (Ultimate). Actions: dismiss (with optional dismissal_reason + comment), confirm (genuine finding), resolve (fixed), revert (back to detected). Related: browse_vulnerabilities to discover vulnerability IDs.',
inputSchema: z.toJSONSchema(ManageVulnerabilitySchema),
requirements: { default: ULTIMATE_REQ },
gate: { envVar: 'USE_VULNERABILITIES', defaultValue: true },
handler: async (args: unknown): Promise<unknown> => {
const input = ManageVulnerabilitySchema.parse(args);
assertActionAllowed('manage_vulnerability', input.action);
const client = ConnectionManager.getInstance().getClient(getGitLabApiUrlFromContext());
const id = vulnerabilityGid(input.vulnerability_id);
switch (input.action) {
case 'dismiss': {
const res = await client.request(DISMISS_VULN, {
id,
comment: input.comment ?? null,
dismissalReason: input.dismissal_reason ?? null,
});
return unwrapVuln(res.vulnerabilityDismiss);
}
case 'confirm': {
const res = await client.request(CONFIRM_VULN, { id });
return unwrapVuln(res.vulnerabilityConfirm);
}
case 'resolve': {
const res = await client.request(RESOLVE_VULN, { id });
return unwrapVuln(res.vulnerabilityResolve);
}
case 'revert': {
const res = await client.request(REVERT_VULN, { id });
return unwrapVuln(res.vulnerabilityRevertToDetected);
}
/* istanbul ignore next -- unreachable with Zod discriminatedUnion */
default:
throw new Error(`Unknown action: ${(input as { action: string }).action}`);
}
},
},
],
]);
/** Read-only tool names from the registry (for read-only mode filtering). */
export function getVulnerabilitiesReadOnlyToolNames(): string[] {
return ['browse_vulnerabilities'];
}
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