/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"
#include "nsIWebAuthnArgs.idl"
#include "nsIWebAuthnPromise.idl"

[scriptable, uuid(6c4ecd9f-57c0-4d7d-8080-bf6e4d499f8f)]
interface nsICredentialParameters : nsISupports
{
    readonly attribute ACString credentialId;
    readonly attribute boolean isResidentCredential;
    readonly attribute ACString rpId;
    readonly attribute ACString privateKey;
    readonly attribute ACString userHandle;
    readonly attribute uint32_t signCount;
};

[scriptable, uuid(686d552e-a39d-4ba2-8127-faca54274039)]
interface nsIWebAuthnAutoFillEntry: nsISupports
{
    const octet PROVIDER_UNKNOWN = 0;
    const octet PROVIDER_TEST_TOKEN = 1;
    const octet PROVIDER_PLATFORM_WINDOWS = 2;
    const octet PROVIDER_PLATFORM_MACOS = 3;
    const octet PROVIDER_PLATFORM_ANDROID = 4;

    readonly attribute octet provider;
    readonly attribute AString userName;
    readonly attribute AString rpId;
    readonly attribute Array<uint8_t> credentialId;
};

[scriptable, uuid(e236a9b4-a26f-11ed-b6cc-07a9834e19b1)]
interface nsIWebAuthnService : nsISupports
{
    // IsUserVerifyingPlatformAuthenticatorAvailable
    readonly attribute boolean isUVPAA;

    [noscript]
    void makeCredential(
        in uint64_t aTransactionId,
        in uint64_t browsingContextId,
        in nsIWebAuthnRegisterArgs args,
        in nsIWebAuthnRegisterPromise promise);

    [noscript]
    void getAssertion(
        in uint64_t aTransactionId,
        in uint64_t browsingContextId,
        in nsIWebAuthnSignArgs args,
        in nsIWebAuthnSignPromise promise);

    // Cancel the ongoing transaction and any prompts that are shown, but do not reject
    // its promise. This is used by the IPC parent when it receives an abort signal.
    // The IPC child has already rejected the promises at this point.
    [noscript] void reset();

    // Cancel the ongoing transaction. Reject its promise, but do not cancel
    // prompts. This is used by WebAuthnPromptHelper when the user hits the
    // "cancel" button.
    void cancel(in uint64_t aTransactionId);

    // `hasPendingConditionalGet` returns the transaction ID of a pending
    // conditionally-mediated getAssertion promise. The browsing context and
    // origin arguments must match those of the pending promise. If there is no
    // pending getAssertion promise, or the browsing context and origin do not
    // match, then `hasPendingConditionalGet` returns 0.
    uint64_t hasPendingConditionalGet(in uint64_t aBrowsingContextId, in AString aOrigin);

    // If there is a pending conditionally-mediated getAssertion promise with
    // transaction ID equal to `aTransactionId`, `getAutoFillEntries` returns
    // an nsIWebAuthnAutoFillEntry for each silently discoverable credential
    // that can be used to fullfill the request.
    Array<nsIWebAuthnAutoFillEntry> getAutoFillEntries(in uint64_t aTransactionId);

    // A pending conditionally-mediated getAssertion promise is resolved by
    // calling `selectAutoFillEntry` or `resumeConditionalGet`.
    // `selectAutoFillEntry` specifies the credential ID that should be used to
    // fulfill the request, whereas `resumeConditionalGet` indicates that any
    // allowed credential can be used.
    void selectAutoFillEntry(in uint64_t aTransactionId, in Array<uint8_t> aCredentialId);
    void resumeConditionalGet(in uint64_t aTransactionId);

    void pinCallback(in uint64_t aTransactionId, in ACString aPin);
    void setHasAttestationConsent(in uint64_t aTransactionId, in boolean aHasConsent);
    void selectionCallback(in uint64_t aTransactionId, in uint64_t aIndex);

    // Adds a virtual (software) authenticator for use in tests (particularly
    // tests run via WebDriver). See
    // https://w3c.github.io/webauthn/#sctn-automation-add-virtual-authenticator.
    uint64_t addVirtualAuthenticator(
        in ACString protocol,
        in ACString transport,
        in boolean hasResidentKey,
        in boolean hasUserVerification,
        in boolean isUserConsenting,
        in boolean isUserVerified);

    // Removes a previously-added virtual authenticator, as identified by its
    // id. See
    // https://w3c.github.io/webauthn/#sctn-automation-remove-virtual-authenticator
    void removeVirtualAuthenticator(in uint64_t authenticatorId);

    // Adds a credential to a previously-added authenticator. See
    // https://w3c.github.io/webauthn/#sctn-automation-add-credential
    void addCredential(
        in uint64_t authenticatorId,
        in ACString credentialId,
        in boolean isResidentCredential,
        in ACString rpId,
        in ACString privateKey,
        in ACString userHandle,
        in uint32_t signCount);

    // Gets all credentials that have been added to a virtual authenticator.
    // See https://w3c.github.io/webauthn/#sctn-automation-get-credentials
    Array<nsICredentialParameters> getCredentials(in uint64_t authenticatorId);

    // Removes a credential from a virtual authenticator. See
    // https://w3c.github.io/webauthn/#sctn-automation-remove-credential
    void removeCredential(in uint64_t authenticatorId, in ACString credentialId);

    // Removes all credentials from a virtual authenticator. See
    // https://w3c.github.io/webauthn/#sctn-automation-remove-all-credentials
    void removeAllCredentials(in uint64_t authenticatorId);

    // Sets the "isUserVerified" bit on a virtual authenticator. See
    // https://w3c.github.io/webauthn/#sctn-automation-set-user-verified
    void setUserVerified(in uint64_t authenticatorId, in boolean isUserVerified);

    // about:webauthn-specific functions
    void listen();
    void runCommand(in ACString aCommand);
};