ts-mls/dist/test/scenario/reinit.test.js

[](https://github.com/LukaJCB/ts-mls/actions/workflows/ci.yml) [](https://badge.fury.io/js/ts-mls) [![Coverage Status](https://co

import { createGroup, joinGroup, makePskIndex } from "../../src/clientState";
import { createCommit } from "../../src/createCommit";
import { processPrivateMessage } from "../../src/processMessages";
import { emptyPskIndex } from "../../src/pskIndex";
import { joinGroupFromReinit, reinitCreateNewGroup, reinitGroup } from "../../src/resumption";
import { ciphersuites, getCiphersuiteFromName, getCiphersuiteImpl } from "../../src/crypto/ciphersuite";
import { generateKeyPackage } from "../../src/keyPackage";
import { checkHpkeKeysMatch } from "../crypto/keyMatch";
import { getRandomElement, testEveryoneCanMessageEveryone } from "./common";
import { defaultLifetime } from "../../src/lifetime";
import { defaultCapabilities } from "../../src/defaultCapabilities";
import { UsageError } from "../../src/mlsError";
for (const cs of Object.keys(ciphersuites)) {
    test(`Reinit ${cs}`, async () => {
        await reinit(cs);
    });
}
async function reinit(cipherSuite) {
    const impl = await getCiphersuiteImpl(getCiphersuiteFromName(cipherSuite));
    const aliceCredential = { credentialType: "basic", identity: new TextEncoder().encode("alice") };
    const alice = await generateKeyPackage(aliceCredential, defaultCapabilities(), defaultLifetime, [], impl);
    const groupId = new TextEncoder().encode("group1");
    let aliceGroup = await createGroup(groupId, alice.publicPackage, alice.privatePackage, [], impl);
    const bobCredential = { credentialType: "basic", identity: new TextEncoder().encode("bob") };
    const bob = await generateKeyPackage(bobCredential, defaultCapabilities(), defaultLifetime, [], impl);
    const addBobProposal = {
        proposalType: "add",
        add: {
            keyPackage: bob.publicPackage,
        },
    };
    const commitResult = await createCommit(aliceGroup, emptyPskIndex, false, [addBobProposal], impl);
    aliceGroup = commitResult.newState;
    let bobGroup = await joinGroup(commitResult.welcome, bob.publicPackage, bob.privatePackage, emptyPskIndex, impl, aliceGroup.ratchetTree);
    const newCiphersuite = getRandomElement(Object.keys(ciphersuites));
    const newGroupId = new TextEncoder().encode("new-group1");
    const reinitCommitResult = await reinitGroup(aliceGroup, newGroupId, "mls10", newCiphersuite, [], impl);
    aliceGroup = reinitCommitResult.newState;
    if (reinitCommitResult.commit.wireformat !== "mls_private_message")
        throw new Error("Expected private message");
    const processReinitResult = await processPrivateMessage(bobGroup, reinitCommitResult.commit.privateMessage, makePskIndex(bobGroup, {}), impl);
    bobGroup = processReinitResult.newState;
    expect(bobGroup.groupActiveState.kind).toBe("suspendedPendingReinit");
    expect(aliceGroup.groupActiveState.kind).toBe("suspendedPendingReinit");
    //creating a message will fail now
    await expect(createCommit(aliceGroup, emptyPskIndex, false, [], impl)).rejects.toThrow(UsageError);
    const newImpl = await getCiphersuiteImpl(getCiphersuiteFromName(newCiphersuite));
    const bobNewKeyPackage = await generateKeyPackage(bobCredential, defaultCapabilities(), defaultLifetime, [], newImpl);
    const aliceNewKeyPackage = await generateKeyPackage(aliceCredential, defaultCapabilities(), defaultLifetime, [], newImpl);
    const resumeGroupResult = await reinitCreateNewGroup(aliceGroup, aliceNewKeyPackage.publicPackage, aliceNewKeyPackage.privatePackage, [bobNewKeyPackage.publicPackage], newGroupId, newCiphersuite, []);
    aliceGroup = resumeGroupResult.newState;
    bobGroup = await joinGroupFromReinit(bobGroup, resumeGroupResult.welcome, bobNewKeyPackage.publicPackage, bobNewKeyPackage.privatePackage, aliceGroup.ratchetTree);
    await testEveryoneCanMessageEveryone([aliceGroup, bobGroup], newImpl);
    await checkHpkeKeysMatch(aliceGroup, newImpl);
    await checkHpkeKeysMatch(bobGroup, newImpl);
}
//# sourceMappingURL=reinit.test.js.map