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import anyTest, { type TestFn } from 'ava'import setup, { type Context, teardown, client, issuer, endpoint } from './_setup.js'import * as jose from 'jose'import * as lib from '../src/index.js'
const test = anyTest as TestFn<Context & { es256: CryptoKeyPair; rs256: CryptoKeyPair }>
test.before(setup)test.after(teardown)
test.before(async (t) => {  t.context.es256 = await lib.generateKeyPair('ES256')  t.context.rs256 = await lib.generateKeyPair('RS256')
  t.context    .intercept({      path: '/jwks',      method: 'GET',    })    .reply(200, {      keys: [        {          kid: 'es256',          ...(await jose.exportJWK(t.context.es256.publicKey)),          use: 'sig',        },        {          kid: 'rs256',          ...(await jose.exportJWK(t.context.rs256.publicKey)),          key_ops: ['verify'],        },      ],    })})
test('validateJwtAuthResponse() error conditions', async (t) => {  await t.throwsAsync(() => lib.validateJwtAuthResponse(issuer, client, <any>null), {    message: '"parameters" must be an instance of URLSearchParams, or URL',  })  await t.throwsAsync(() => lib.validateJwtAuthResponse(issuer, client, new URLSearchParams()), {    message: '"parameters" does not contain a JARM response',  })  await t.throwsAsync(    () => lib.validateJwtAuthResponse(issuer, client, new URLSearchParams('response=foo')),    {      message: '"as.jwks_uri" must be a string',    },  )})
test('validateJwtAuthResponse()', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.rs256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,    code: 'code',  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'RS256', kid: 'rs256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(async () => {    const result = await lib.validateJwtAuthResponse(tIssuer, client, params, lib.expectNoState)    t.true(result instanceof URLSearchParams)    const isError = lib.isOAuth2Error(result)    if (isError) {      t.fail()      throw new Error()    }    t.is(result.constructor.name, 'CallbackParameters')    t.deepEqual([...result.keys()], ['iss', 'code'])  })})
test('validateJwtAuthResponse() as URL', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.rs256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,    code: 'code',  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'RS256', kid: 'rs256' })    .sign(kp.privateKey)  const params = new URL(`https://rp.example.com/cb?response=${response}`)  await t.notThrowsAsync(async () => {    const result = await lib.validateJwtAuthResponse(tIssuer, client, params, lib.expectNoState)    t.true(result instanceof URLSearchParams)    const isError = lib.isOAuth2Error(result)    if (isError) {      t.fail()      throw new Error()    }    t.is(result.constructor.name, 'CallbackParameters')    t.deepEqual([...result.keys()], ['iss', 'code'])  })})
test('validateJwtAuthResponse() - state value', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.rs256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,    state: 'state',  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'RS256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(lib.validateJwtAuthResponse(tIssuer, client, params, 'state'))})
test('validateJwtAuthResponse() - state not present', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.rs256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'RS256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(lib.validateJwtAuthResponse(tIssuer, client, params, lib.expectNoState))})
test('validateJwtAuthResponse() - state ignored', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.rs256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,    state: 'some.jwt.value',  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'RS256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(lib.validateJwtAuthResponse(tIssuer, client, params, lib.skipStateCheck))})
test('validateJwtAuthResponse() - alg signalled', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),    authorization_signing_alg_values_supported: ['ES256'],  }  const kp = t.context.es256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'ES256', kid: 'es256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(lib.validateJwtAuthResponse(tIssuer, client, params, lib.expectNoState))})
test('validateJwtAuthResponse() - alg defined', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.es256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'ES256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(    lib.validateJwtAuthResponse(      tIssuer,      { ...client, authorization_signed_response_alg: 'ES256' },      params,      lib.expectNoState,    ),  )})
test('validateJwtAuthResponse() - alg default', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }  const kp = t.context.rs256
  const response = await new jose.SignJWT({    iss: issuer.issuer,    aud: client.client_id,  })    .setExpirationTime('30s')    .setProtectedHeader({ alg: 'RS256' })    .sign(kp.privateKey)  const params = new URLSearchParams({ response })  await t.notThrowsAsync(lib.validateJwtAuthResponse(tIssuer, client, params, lib.expectNoState))})
test('validateJwtAuthResponse() - alg mismatches', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    jwks_uri: endpoint('jwks'),  }
  {    const response = await new jose.SignJWT({      iss: issuer.issuer,      aud: client.client_id,    })      .setExpirationTime('30s')      .setProtectedHeader({ alg: 'ES256' })      .sign(t.context.es256.privateKey)    const params = new URLSearchParams({ response })    await t.throwsAsync(lib.validateJwtAuthResponse(tIssuer, client, params, lib.expectNoState), {      message: 'unexpected JWT "alg" header parameter',    })  }
  {    const response = await new jose.SignJWT({      iss: issuer.issuer,      aud: client.client_id,    })      .setExpirationTime('30s')      .setProtectedHeader({ alg: 'ES256' })      .sign(t.context.es256.privateKey)    const params = new URLSearchParams({ response })    await t.throwsAsync(      lib.validateJwtAuthResponse(        {          ...tIssuer,          authorization_signing_alg_values_supported: ['RS256'],        },        client,        params,        lib.expectNoState,      ),      {        message: 'unexpected JWT "alg" header parameter',      },    )  }
  {    const response = await new jose.SignJWT({      iss: issuer.issuer,      aud: client.client_id,    })      .setExpirationTime('30s')      .setProtectedHeader({ alg: 'ES256' })      .sign(t.context.es256.privateKey)    const params = new URLSearchParams({ response })    await t.throwsAsync(      lib.validateJwtAuthResponse(        tIssuer,        { ...client, authorization_signed_response_alg: 'RS256' },        params,        lib.expectNoState,      ),      {        message: 'unexpected JWT "alg" header parameter',      },    )  }})