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TypeScript

import { SignJWT, exportJWK, generateKeyPair } from 'jose';
import type { GenerateKeyPairResult } from 'jose';
export interface TestIdentity {
sub?: string;
username?: string;
roles?: string[];
groups?: string[];
azp?: string;
aud?: string | string[];
expiresIn?: number; // 秒;负数=已过期
}
let keys: GenerateKeyPairResult | null = null;
/** 生成本地密钥对并写入 KEYCLOAK_TEST_JWKS(必须先于首次 verify 调用) */
export async function setupTestJwks(): Promise<void> {
if (keys) return;
keys = await generateKeyPair('RS256');
const jwk = await exportJWK(keys.publicKey);
process.env.KEYCLOAK_TEST_JWKS = JSON.stringify({ keys: [{ ...jwk, alg: 'RS256', kid: 'test-key' }] });
}
export async function makeToken(id: TestIdentity = {}): Promise<string> {
await setupTestJwks();
const issuer = `${process.env.KEYCLOAK_URL}/realms/${process.env.KEYCLOAK_REALM}`;
const clientId = process.env.KEYCLOAK_CLIENT_ID ?? '';
if (!keys) throw new Error('test keys not ready');
return new SignJWT({
preferred_username: id.username ?? 'tester',
realm_access: { roles: id.roles ?? ['user'] },
groups: id.groups ?? [],
azp: id.azp ?? 'web-portal',
})
.setProtectedHeader({ alg: 'RS256', kid: 'test-key' })
.setSubject(id.sub ?? 'test-sub-1')
.setIssuer(issuer)
.setAudience(id.aud ?? clientId)
.setIssuedAt()
.setExpirationTime(Math.floor(Date.now() / 1000) + (id.expiresIn ?? 300))
.sign(keys.privateKey);
}