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// Copyright 2016 limited.
// This SAFE Network Software is licensed to you under (1) the Commercial License,
// version 1.0 or later, or (2) The General Public License (GPL), version 3, depending on which
// licence you accepted on initial access to the Software (the "Licences").
// By contributing code to the SAFE Network Software, or to this project generally, you agree to be
// bound by the terms of the MaidSafe Contributor Agreement.  This, along with the Licenses can be
// found in the root directory of this project at LICENSE, COPYING and CONTRIBUTOR.
// Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed
// under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.
// Please review the Licences for the specific language governing permissions and limitations
// relating to use of the SAFE Network Software.

use super::AccessContainerEntry;
use Authenticator;
use access_container::access_container_entry;
use errors::AuthError;
use ffi_utils::base64_encode;
use ffi_utils::test_utils::call_1;
use futures::{Future, IntoFuture};
use futures::future;
use ipc::{decode_ipc_msg, encode_auth_resp};
use routing::User;
use rust_sodium::crypto::sign;
use safe_core::{Client, CoreError, FutureExt, utils};
use safe_core::ipc::{self, AppExchangeInfo, AuthGranted, AuthReq, IpcMsg, IpcReq, IpcResp,
use safe_core::ipc::req::ffi::convert_permission_set;
use std::collections::{BTreeSet, HashMap};
use std::sync::mpsc;

/// Creates a new random account for authenticator
pub fn create_authenticator() -> Authenticator {
    let locator = unwrap!(utils::generate_random_string(10));
    let password = unwrap!(utils::generate_random_string(10));
    let invitation = unwrap!(utils::generate_random_string(10));

    unwrap!(Authenticator::create_acc(locator, password, invitation, |_| ()))

/// Create a random authenticator and login using the same credentials.
pub fn create_account_and_login() -> Authenticator {
    let locator = unwrap!(utils::generate_random_string(10));
    let password = unwrap!(utils::generate_random_string(10));
    let invitation = unwrap!(utils::generate_random_string(10));

    let _ =
        unwrap!(Authenticator::create_acc(locator.clone(), password.clone(), invitation, |_| ()));
    unwrap!(Authenticator::login(locator, password, |_| ()))

/// Registers a mock application using a given `AuthReq`.
pub fn register_app(authenticator: &Authenticator,
                    auth_req: &AuthReq)
                    -> Result<AuthGranted, AuthError> {
    let base64_app_id = base64_encode(;

    let req_id = ipc::gen_req_id();
    let msg = IpcMsg::Req {
        req_id: req_id,
        req: IpcReq::Auth(auth_req.clone()),

    // Serialise it as base64 payload in "safe_auth:payload"
    let encoded_msg = ipc::encode_msg(&msg, "safe-auth")?;

    // Invoke `decode_ipc_msg` and expect to get AuthReq back.
    let ipc_req = run(authenticator,
                      move |client| decode_ipc_msg(client, &encoded_msg));
    match ipc_req {
        Ok(IpcMsg::Req { req: IpcReq::Auth(_), .. }) => (),
        x => return Err(AuthError::Unexpected(format!("Unexpected {:?}", x))),

    let encoded_auth_resp: String = unsafe {
        // Call `encode_auth_resp` with is_granted = true
        unwrap!(call_1(|ud, cb| {
            let auth_req = unwrap!(auth_req.clone().into_repr_c());
                             true, // is_granted

    assert!(encoded_auth_resp.starts_with(&format!("safe-{}", base64_app_id)));

    match ipc::decode_msg(&encoded_auth_resp) {
        Ok(IpcMsg::Resp { resp: IpcResp::Auth(Ok(auth_granted)), .. }) => Ok(auth_granted),
        Ok(x) => Err(AuthError::Unexpected(format!("Unexpected {:?}", x))),
        Err(x) => Err(AuthError::from(x)),

/// Run the given closure inside the event loop of the authenticator. The closure
/// should return a future which will then be driven to completion and its result
/// returned.
pub fn run<F, I, T>(authenticator: &Authenticator, f: F) -> T
    where F: FnOnce(&Client) -> I + Send + 'static,
          I: IntoFuture<Item = T, Error = AuthError> + 'static,
          T: Send + 'static
    let (tx, rx) = mpsc::channel();

    unwrap!(authenticator.send(move |client| {
        let future = f(client)
            .then(move |result| {



/// Creates a random `AppExchangeInfo`
pub fn rand_app() -> Result<AppExchangeInfo, CoreError> {
    Ok(AppExchangeInfo {
           id: utils::generate_random_string(10)?,
           scope: None,
           name: utils::generate_random_string(10)?,
           vendor: utils::generate_random_string(10)?,

/// Fetch the access container entry for the app.
#[cfg_attr(rustfmt, rustfmt_skip)]
pub fn access_container<S: Into<String>>(authenticator: &Authenticator,
                                         app_id: S,
                                         auth_granted: AuthGranted)
                                         -> AccessContainerEntry {
    let app_keys = auth_granted.app_keys;
    let ac_md_info = auth_granted.access_container.into_mdata_info(app_keys.enc_key.clone());
    let app_id = app_id.into();
    run(authenticator, move |client| {
        access_container_entry(client, &ac_md_info, &app_id, app_keys)
            .map(move |(_, ac_entry)| unwrap!(ac_entry, "Access container entry is empty"))

/// Check that the given permission set is contained in the access container
pub fn compare_access_container_entries(authenticator: &Authenticator,
                                        app_sign_pk: sign::PublicKey,
                                        mut access_container: AccessContainerEntry,
                                        expected: HashMap<String, BTreeSet<Permission>>) {
    let results = run(authenticator, move |client| {
        let mut reqs = Vec::new();
        let user = User::Key(app_sign_pk);

        for (container, expected_perms) in expected {
            // Check the requested permissions in the access container.
            let expected_perm_set = convert_permission_set(&expected_perms);
            let (md_info, perms) = unwrap!(access_container.remove(&container),
                                           "No '{}' in access container {:?}",
            assert_eq!(perms, expected_perms);

            let fut = client
                .list_mdata_user_permissions(, md_info.type_tag, user)
                .map(move |perms| (perms, expected_perm_set));



    // Check the permission on the the mutable data for each of the above directories.
    for (perms, expected) in results {
        assert_eq!(perms, expected);