Example #1
0
def get_current_user():
    """Get the current logged in user, or None."""
    if environment.is_local_development():
        return User('user@localhost')

    current_request = request_cache.get_current_request()
    if local_config.AuthConfig().get('enable_loas'):
        loas_user = current_request.headers.get(
            'X-AppEngine-LOAS-Peer-Username')
        if loas_user:
            return User(loas_user + '@google.com')

    iap_email = get_iap_email(current_request)
    if iap_email:
        return User(iap_email)

    cache_backing = request_cache.get_cache_backing()
    oauth_email = getattr(cache_backing, '_oauth_email', None)
    if oauth_email:
        return User(oauth_email)

    cached_email = getattr(cache_backing, '_cached_email', None)
    if cached_email:
        return User(cached_email)

    session_cookie = get_session_cookie()
    if not session_cookie:
        return None

    try:
        decoded_claims = decode_claims(get_session_cookie())
    except AuthError:
        logs.log_warn('Invalid session cookie.')
        return None

    allowed_firebase_providers = local_config.ProjectConfig().get(
        'firebase.auth_providers', ['google.com'])
    firebase_info = decoded_claims.get('firebase', {})
    sign_in_provider = firebase_info.get('sign_in_provider')

    if sign_in_provider not in allowed_firebase_providers:
        logs.log_error(f'Firebase provider {sign_in_provider} is not enabled.')
        return None

    # Per https://docs.github.com/en/authentication/
    #       keeping-your-account-and-data-secure/authorizing-oauth-apps
    # GitHub requires emails to be verified before an OAuth app can be
    # authorized, so we make an exception.
    if (not decoded_claims.get('email_verified')
            and sign_in_provider != 'github.com'):
        return None

    email = decoded_claims.get('email')
    if not email:
        return None

    # We cache the email for this request if we've validated the user to make
    # subsequent get_current_user() calls fast.
    setattr(cache_backing, '_cached_email', email)
    return User(email)
Example #2
0
def is_current_user_admin():
    """Returns whether or not the current logged in user is an admin."""
    if environment.is_local_development():
        return True

    user = get_current_user()
    if not user:
        return False

    key = ndb.Key(data_types.Admin, user.email)
    return bool(key.get())
Example #3
0
def get_current_user():
    """Get the current logged in user, or None."""
    if environment.is_local_development():
        return User('user@localhost')

    current_request = request_cache.get_current_request()
    if local_config.AuthConfig().get('enable_loas'):
        loas_user = current_request.headers.get(
            'X-AppEngine-LOAS-Peer-Username')
        if loas_user:
            return User(loas_user + '@google.com')

    iap_email = get_iap_email(current_request)
    if iap_email:
        return User(iap_email)

    cache_backing = request_cache.get_cache_backing()
    oauth_email = getattr(cache_backing, '_oauth_email', None)
    if oauth_email:
        return User(oauth_email)

    cached_email = getattr(cache_backing, '_cached_email', None)
    if cached_email:
        return User(cached_email)

    session_cookie = get_session_cookie()
    if not session_cookie:
        return None

    try:
        decoded_claims = decode_claims(get_session_cookie())
    except AuthError:
        logs.log_warn('Invalid session cookie.')
        return None

    if not decoded_claims.get('email_verified'):
        return None

    email = decoded_claims.get('email')
    if not email:
        return None

    # We cache the email for this request if we've validated the user to make
    # subsequent get_current_user() calls fast.
    setattr(cache_backing, '_cached_email', email)
    return User(email)
def get_fuzz_task_payload(platform=None):
    """Select a fuzzer that can run on this platform."""
    if not platform:
        queue_override = environment.get_value('QUEUE_OVERRIDE')
        platform = queue_override if queue_override else environment.platform()

    if environment.is_local_development():
        query = data_types.FuzzerJob.query()
        query = query.filter(data_types.FuzzerJobs.platform == platform)
        mappings = list(ndb_utils.get_all_from_query(query))
    else:
        query = data_types.FuzzerJobs.query()
        query = query.filter(data_types.FuzzerJobs.platform == platform)

        mappings = []
        for entity in query:
            mappings.extend(entity.fuzzer_jobs)

    if not mappings:
        return None, None

    selection = utils.random_weighted_choice(mappings,
                                             weight_attribute='actual_weight')
    return selection.fuzzer, selection.job