Esempio n. 1
0
def _validate_user(username,
                   email,
                   sso_mode,
                   org_id,
                   groups,
                   remote_addr,
                   http_redirect=False,
                   yubico_id=None):
    usr = user.find_user_auth(name=username, auth_type=sso_mode)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            logger.error(
                'Organization for sso does not exist',
                'sso',
                org_id=org_id,
            )
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        if usr.org_id != org_id:
            logger.info(
                'User organization changed, moving user',
                'sso',
                user_name=username,
                user_email=email,
                remote_ip=remote_addr,
                cur_org_id=usr.org_id,
                new_org_id=org_id,
            )

            org = organization.get_by_id(org_id)
            if not org:
                logger.error(
                    'Organization for sso does not exist',
                    'sso',
                    org_id=org_id,
                )
                return flask.abort(405)

            usr.remove()
            old_org_id = usr.org_id

            new_usr = org.new_user(
                name=usr.name,
                email=usr.email,
                pin=usr.pin,
                type=usr.type,
                groups=usr.groups,
                auth_type=usr.auth_type,
                yubico_id=usr.yubico_id,
                disabled=usr.disabled,
                resource_id=usr.resource_id,
                bypass_secondary=usr.bypass_secondary,
                client_to_client=usr.client_to_client,
                mac_addresses=usr.mac_addresses,
                dns_servers=usr.dns_servers,
                dns_suffix=usr.dns_suffix,
                port_forwarding=usr.port_forwarding,
            )
            new_usr.otp_secret = usr.otp_secret

            usr = new_usr
            usr.commit()

            event.Event(type=ORGS_UPDATED)
            event.Event(type=USERS_UPDATED, resource_id=old_org_id)
            event.Event(type=USERS_UPDATED, resource_id=org.id)
            event.Event(type=SERVERS_UPDATED)

        org = usr.org

    if not usr:
        usr = org.new_user(name=username,
                           email=email,
                           type=CERT_CLIENT,
                           auth_type=sso_mode,
                           yubico_id=yubico_id,
                           groups=list(groups) if groups else None)
        usr.audit_event('user_created',
                        'User created with single sign-on',
                        remote_addr=remote_addr)

        journal.entry(
            journal.USER_CREATE,
            usr.journal_data,
            event_long='User created with single sign-on',
            remote_address=remote_addr,
        )

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if yubico_id and usr.yubico_id and yubico_id != usr.yubico_id:
            journal.entry(
                journal.SSO_AUTH_FAILURE,
                user_name=username,
                remote_address=remote_addr,
                reason=journal.SSO_AUTH_REASON_INVALID_YUBIKEY,
                reason_long='Invalid username',
            )

            return utils.jsonify(
                {
                    'error': YUBIKEY_INVALID,
                    'error_msg': YUBIKEY_INVALID_MSG,
                }, 401)

        if usr.disabled:
            return flask.abort(403)

        changed = False

        if yubico_id and not usr.yubico_id:
            changed = True
            usr.yubico_id = yubico_id
            usr.commit('yubico_id')

        if groups and groups - set(usr.groups or []):
            changed = True
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != sso_mode:
            changed = True
            usr.auth_type = sso_mode
            usr.commit('auth_type')

        usr.clear_auth_cache()
        usr.disconnect()

        if changed:
            event.Event(type=USERS_UPDATED, resource_id=org.id)

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event(
        'user_profile',
        'User profile viewed from single sign-on',
        remote_addr=remote_addr,
    )

    journal.entry(
        journal.SSO_AUTH_SUCCESS,
        usr.journal_data,
        key_id_hash=hashlib.md5(key_link['id'].encode()).hexdigest(),
        remote_address=remote_addr,
    )

    journal.entry(
        journal.USER_PROFILE_SUCCESS,
        usr.journal_data,
        remote_address=remote_addr,
        event_long='User profile viewed from single sign-on',
    )

    if http_redirect:
        return utils.redirect(utils.get_url_root() + key_link['view_url'])
    else:
        return utils.jsonify(
            {
                'redirect': utils.get_url_root() + key_link['view_url'],
            }, 200)
Esempio n. 2
0
def _validate_user(username,
                   email,
                   sso_mode,
                   org_id,
                   groups,
                   http_redirect=False,
                   yubico_id=None):
    usr = user.find_user_auth(name=username, auth_type=sso_mode)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            logger.error(
                'Organization for sso does not exist',
                'sso',
                org_id=org_id,
            )
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        if usr.org_id != org_id:
            logger.info(
                'User organization changed, moving user',
                'sso',
                user_name=username,
                user_email=email,
                remote_ip=utils.get_remote_addr(),
                cur_org_id=usr.org_id,
                new_org_id=org_id,
            )

            org = organization.get_by_id(org_id)
            if not org:
                logger.error(
                    'Organization for sso does not exist',
                    'sso',
                    org_id=org_id,
                )
                return flask.abort(405)

            usr.remove()
            old_org_id = usr.org_id

            usr = org.new_user(
                name=usr.name,
                email=usr.email,
                type=usr.type,
                groups=usr.groups,
                auth_type=usr.auth_type,
                yubico_id=usr.yubico_id,
                disabled=usr.disabled,
                bypass_secondary=usr.bypass_secondary,
                client_to_client=usr.client_to_client,
                dns_servers=usr.dns_servers,
                dns_suffix=usr.dns_suffix,
                port_forwarding=usr.port_forwarding,
            )

            event.Event(type=ORGS_UPDATED)
            event.Event(type=USERS_UPDATED, resource_id=old_org_id)
            event.Event(type=USERS_UPDATED, resource_id=org.id)
            event.Event(type=SERVERS_UPDATED)

        org = usr.org

    if not usr:
        usr = org.new_user(name=username,
                           email=email,
                           type=CERT_CLIENT,
                           auth_type=sso_mode,
                           yubico_id=yubico_id,
                           groups=list(groups) if groups else None)
        usr.audit_event('user_created',
                        'User created with single sign-on',
                        remote_addr=utils.get_remote_addr())

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if yubico_id and usr.yubico_id and yubico_id != usr.yubico_id:
            return utils.jsonify(
                {
                    'error': YUBIKEY_INVALID,
                    'error_msg': YUBIKEY_INVALID_MSG,
                }, 401)

        if usr.disabled:
            return flask.abort(403)

        changed = False

        if yubico_id and not usr.yubico_id:
            changed = True
            usr.yubico_id = yubico_id
            usr.commit('yubico_id')

        if groups and groups - set(usr.groups or []):
            changed = True
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != sso_mode:
            changed = True
            usr.auth_type = sso_mode
            usr.commit('auth_type')

        if changed:
            event.Event(type=USERS_UPDATED, resource_id=org.id)

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event(
        'user_profile',
        'User profile viewed from single sign-on',
        remote_addr=utils.get_remote_addr(),
    )

    if http_redirect:
        return utils.redirect(utils.get_url_root() + key_link['view_url'])
    else:
        return utils.jsonify(
            {
                'redirect': utils.get_url_root() + key_link['view_url'],
            }, 200)
Esempio n. 3
0
def _validate_user(username, email, sso_mode, org_id, groups, remote_addr,
        http_redirect=False, yubico_id=None):
    usr = user.find_user_auth(name=username, auth_type=sso_mode)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            logger.error('Organization for sso does not exist', 'sso',
                org_id=org_id,
            )
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        if usr.org_id != org_id:
            logger.info('User organization changed, moving user', 'sso',
                user_name=username,
                user_email=email,
                remote_ip=remote_addr,
                cur_org_id=usr.org_id,
                new_org_id=org_id,
            )

            org = organization.get_by_id(org_id)
            if not org:
                logger.error('Organization for sso does not exist', 'sso',
                    org_id=org_id,
                )
                return flask.abort(405)

            usr.remove()
            old_org_id = usr.org_id

            usr = org.new_user(
                name=usr.name,
                email=usr.email,
                type=usr.type,
                groups=usr.groups,
                auth_type=usr.auth_type,
                yubico_id=usr.yubico_id,
                disabled=usr.disabled,
                bypass_secondary=usr.bypass_secondary,
                client_to_client=usr.client_to_client,
                dns_servers=usr.dns_servers,
                dns_suffix=usr.dns_suffix,
                port_forwarding=usr.port_forwarding,
            )

            event.Event(type=ORGS_UPDATED)
            event.Event(type=USERS_UPDATED, resource_id=old_org_id)
            event.Event(type=USERS_UPDATED, resource_id=org.id)
            event.Event(type=SERVERS_UPDATED)

        org = usr.org

    if not usr:
        usr = org.new_user(name=username, email=email, type=CERT_CLIENT,
            auth_type=sso_mode, yubico_id=yubico_id,
            groups=list(groups) if groups else None)
        usr.audit_event('user_created', 'User created with single sign-on',
            remote_addr=remote_addr)

        journal.entry(
            journal.USER_CREATE,
            usr.journal_data,
            event_long='User created with single sign-on',
            remote_address=remote_addr,
        )

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if yubico_id and usr.yubico_id and yubico_id != usr.yubico_id:
            journal.entry(
                journal.SSO_AUTH_FAILURE,
                user_name=username,
                remote_address=remote_addr,
                reason=journal.SSO_AUTH_REASON_INVALID_YUBIKEY,
                reason_long='Invalid username',
            )

            return utils.jsonify({
                'error': YUBIKEY_INVALID,
                'error_msg': YUBIKEY_INVALID_MSG,
            }, 401)

        if usr.disabled:
            return flask.abort(403)

        changed = False

        if yubico_id and not usr.yubico_id:
            changed = True
            usr.yubico_id = yubico_id
            usr.commit('yubico_id')

        if groups and groups - set(usr.groups or []):
            changed = True
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != sso_mode:
            changed = True
            usr.auth_type = sso_mode
            usr.commit('auth_type')

        if changed:
            event.Event(type=USERS_UPDATED, resource_id=org.id)

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event('user_profile',
        'User profile viewed from single sign-on',
        remote_addr=remote_addr,
    )

    journal.entry(
        journal.SSO_AUTH_SUCCESS,
        usr.journal_data,
        key_id_hash=hashlib.md5(key_link['id']).hexdigest(),
        remote_address=remote_addr,
    )

    journal.entry(
        journal.USER_PROFILE_SUCCESS,
        usr.journal_data,
        remote_address=remote_addr,
        event_long='User profile viewed from single sign-on',
    )

    if http_redirect:
        return utils.redirect(utils.get_url_root() + key_link['view_url'])
    else:
        return utils.jsonify({
            'redirect': utils.get_url_root() + key_link['view_url'],
        }, 200)
Esempio n. 4
0
def sso_duo_post():
    sso_mode = settings.app.sso
    token = utils.filter_str(flask.request.json.get('token')) or None
    passcode = utils.filter_str(flask.request.json.get('passcode')) or ''

    if sso_mode not in (DUO_AUTH, GOOGLE_DUO_AUTH, SLACK_DUO_AUTH,
            SAML_DUO_AUTH, SAML_OKTA_DUO_AUTH, SAML_ONELOGIN_DUO_AUTH,
            RADIUS_DUO_AUTH):
        return flask.abort(404)

    if not token:
        return utils.jsonify({
            'error': TOKEN_INVALID,
            'error_msg': TOKEN_INVALID_MSG,
        }, 401)

    tokens_collection = mongo.get_collection('sso_tokens')
    doc = tokens_collection.find_one({
        '_id': token,
    })
    if not doc or doc['_id'] != token or doc['type'] != DUO_AUTH:
        return utils.jsonify({
            'error': TOKEN_INVALID,
            'error_msg': TOKEN_INVALID_MSG,
        }, 401)

    username = doc['username']
    email = doc['email']
    org_id = doc['org_id']
    groups = doc['groups']

    if settings.app.sso_duo_mode == 'passcode':
        duo_auth = sso.Duo(
            username=username,
            factor=settings.app.sso_duo_mode,
            remote_ip=utils.get_remote_addr(),
            auth_type='Key',
            passcode=passcode,
        )
        valid = duo_auth.authenticate()
        if not valid:
            logger.error('Duo authentication not valid', 'sso',
                username=username,
            )
            return utils.jsonify({
                'error': PASSCODE_INVALID,
                'error_msg': PASSCODE_INVALID_MSG,
            }, 401)
    else:
        duo_auth = sso.Duo(
            username=username,
            factor=settings.app.sso_duo_mode,
            remote_ip=utils.get_remote_addr(),
            auth_type='Key',
        )
        valid = duo_auth.authenticate()
        if not valid:
            logger.error('Duo authentication not valid', 'sso',
                username=username,
            )
            return utils.jsonify({
                'error': DUO_FAILED,
                'error_msg': DUO_FAILED_MSG,
            }, 401)

    valid, org_id_new, groups2 = sso.plugin_sso_authenticate(
        sso_type='duo',
        user_name=username,
        user_email=email,
        remote_ip=utils.get_remote_addr(),
    )
    if valid:
        org_id = org_id_new or org_id
    else:
        logger.error('Duo plugin authentication not valid', 'sso',
            username=username,
        )
        return flask.abort(401)

    groups = ((groups or set()) | (groups2 or set())) or None

    usr = user.find_user_auth(name=username, auth_type=sso_mode)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        org = usr.org

    if not usr:
        usr = org.new_user(name=username, email=email, type=CERT_CLIENT,
            auth_type=sso_mode, groups=list(groups) if groups else None)
        usr.audit_event('user_created', 'User created with single sign-on',
            remote_addr=utils.get_remote_addr())

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if usr.disabled:
            return flask.abort(403)

        if groups and groups - set(usr.groups or []):
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != sso_mode:
            usr.auth_type = sso_mode
            usr.commit('auth_type')

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event('user_profile',
        'User profile viewed from single sign-on',
        remote_addr=utils.get_remote_addr(),
    )

    return utils.jsonify({
        'redirect': utils.get_url_root() + key_link['view_url'],
    }, 200)
Esempio n. 5
0
def sso_callback_get():
    sso_mode = settings.app.sso

    if sso_mode not in (GOOGLE_AUTH, GOOGLE_DUO_AUTH, GOOGLE_YUBICO_AUTH,
            SLACK_AUTH, SLACK_DUO_AUTH, SLACK_YUBICO_AUTH, SAML_AUTH,
            SAML_DUO_AUTH, SAML_YUBICO_AUTH, SAML_OKTA_AUTH,
            SAML_OKTA_DUO_AUTH, SAML_OKTA_YUBICO_AUTH, SAML_ONELOGIN_AUTH,
            SAML_ONELOGIN_DUO_AUTH, SAML_ONELOGIN_YUBICO_AUTH):
        return flask.abort(405)

    state = flask.request.args.get('state')
    sig = flask.request.args.get('sig')

    tokens_collection = mongo.get_collection('sso_tokens')
    doc = tokens_collection.find_and_modify(query={
        '_id': state,
    }, remove=True)

    if not doc:
        return flask.abort(404)

    query = flask.request.query_string.split('&sig=')[0]
    test_sig = base64.urlsafe_b64encode(hmac.new(str(doc['secret']),
        query, hashlib.sha512).digest())
    if not utils.const_compare(sig, test_sig):
        return flask.abort(401)

    params = urlparse.parse_qs(query)

    if doc.get('type') == SAML_AUTH:
        username = params.get('username')[0]
        email = params.get('email', [None])[0]
        org_name = params.get('org', [None])[0]

        if not username:
            return flask.abort(406)

        org_id = settings.app.sso_org
        if org_name:
            org = organization.get_by_name(org_name, fields=('_id'))
            if org:
                org_id = org.id

        valid, org_id_new, groups = sso.plugin_sso_authenticate(
            sso_type='saml',
            user_name=username,
            user_email=email,
            remote_ip=utils.get_remote_addr(),
            sso_org_names=[org_name],
        )
        if valid:
            org_id = org_id_new or org_id
        else:
            logger.error('Saml plugin authentication not valid', 'sso',
                username=username,
            )
            return flask.abort(401)
    elif doc.get('type') == SLACK_AUTH:
        username = params.get('username')[0]
        email = None
        user_team = params.get('team')[0]
        org_names = params.get('orgs', [''])[0]
        org_names = org_names.split(',')

        valid = sso.verify_slack(username, user_team)
        if not valid:
            return flask.abort(401)

        org_id = settings.app.sso_org
        for org_name in org_names:
            org = organization.get_by_name(org_name, fields=('_id'))
            if org:
                org_id = org.id
                break

        valid, org_id_new, groups = sso.plugin_sso_authenticate(
            sso_type='slack',
            user_name=username,
            user_email=email,
            remote_ip=utils.get_remote_addr(),
            sso_org_names=org_names,
        )
        if valid:
            org_id = org_id_new or org_id
        else:
            logger.error('Slack plugin authentication not valid', 'sso',
                username=username,
            )
            return flask.abort(401)
    else:
        username = params.get('username')[0]
        email = username

        valid = sso.verify_google(username)
        if not valid:
            return flask.abort(401)

        org_id = settings.app.sso_org

        valid, org_id_new, groups = sso.plugin_sso_authenticate(
            sso_type='google',
            user_name=username,
            user_email=email,
            remote_ip=utils.get_remote_addr(),
        )
        if valid:
            org_id = org_id_new or org_id
        else:
            logger.error('Google plugin authentication not valid', 'sso',
                username=username,
            )
            return flask.abort(401)

    if DUO_AUTH in sso_mode:
        token = utils.generate_secret()

        tokens_collection = mongo.get_collection('sso_tokens')
        tokens_collection.insert({
            '_id': token,
            'type': DUO_AUTH,
            'username': username,
            'email': email,
            'org_id': org_id,
            'groups': groups,
            'timestamp': utils.now(),
        })

        duo_page = static.StaticFile(settings.conf.www_path,
            'duo.html', cache=False, gzip=False)

        sso_duo_mode = settings.app.sso_duo_mode
        if sso_duo_mode == 'passcode':
            duo_mode = 'passcode'
        elif sso_duo_mode == 'phone':
            duo_mode = 'phone'
        else:
            duo_mode = 'push'

        body_class = duo_mode
        if settings.app.theme == 'dark':
            body_class += ' dark'

        duo_page.data = duo_page.data.replace('<%= body_class %>', body_class)
        duo_page.data = duo_page.data.replace('<%= token %>', token)
        duo_page.data = duo_page.data.replace('<%= duo_mode %>', duo_mode)

        return duo_page.get_response()

    if YUBICO_AUTH in sso_mode:
        token = utils.generate_secret()

        tokens_collection = mongo.get_collection('sso_tokens')
        tokens_collection.insert({
            '_id': token,
            'type': YUBICO_AUTH,
            'username': username,
            'email': email,
            'org_id': org_id,
            'groups': groups,
            'timestamp': utils.now(),
        })

        yubico_page = static.StaticFile(settings.conf.www_path,
            'yubico.html', cache=False, gzip=False)

        if settings.app.theme == 'dark':
            yubico_page.data = yubico_page.data.replace(
                '<body>', '<body class="dark">')
        yubico_page.data = yubico_page.data.replace('<%= token %>', token)

        return yubico_page.get_response()

    usr = user.find_user_auth(name=username, auth_type=sso_mode)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        org = usr.org

    if not usr:
        usr = org.new_user(name=username, email=email, type=CERT_CLIENT,
            auth_type=sso_mode, groups=list(groups) if groups else None)
        usr.audit_event('user_created', 'User created with single sign-on',
            remote_addr=utils.get_remote_addr())

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if usr.disabled:
            return flask.abort(403)

        if groups and groups - set(usr.groups or []):
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != sso_mode:
            usr.auth_type = sso_mode
            usr.commit('auth_type')

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event('user_profile',
        'User profile viewed from single sign-on',
        remote_addr=utils.get_remote_addr(),
    )

    return utils.redirect(utils.get_url_root() + key_link['view_url'])
Esempio n. 6
0
def sso_authenticate_post():
    if settings.app.sso != DUO_AUTH or \
            settings.app.sso_duo_mode == 'passcode':
        return flask.abort(405)

    username = utils.json_filter_str('username')
    usernames = [username]
    email = None
    if '@' in username:
        email = username
        usernames.append(username.split('@')[0])

    valid = False
    for i, username in enumerate(usernames):
        try:
            duo_auth = sso.Duo(
                username=username,
                factor=settings.app.sso_duo_mode,
                remote_ip=utils.get_remote_addr(),
                auth_type='Key',
            )
            valid = duo_auth.authenticate()
            break
        except InvalidUser:
            if i == len(usernames) - 1:
                logger.error('Invalid duo username', 'sso',
                    username=username,
                )

    if valid:
        valid, org_id, groups = sso.plugin_sso_authenticate(
            sso_type='duo',
            user_name=username,
            user_email=email,
            remote_ip=utils.get_remote_addr(),
        )
        if not valid:
            logger.error('Duo plugin authentication not valid', 'sso',
                username=username,
            )
            return flask.abort(401)
    else:
        logger.error('Duo authentication not valid', 'sso',
            username=username,
        )
        return flask.abort(401)

    if not org_id:
        org_id = settings.app.sso_org

    usr = user.find_user_auth(name=username, auth_type=DUO_AUTH)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            logger.error('Organization for Duo sso does not exist', 'sso',
                org_id=org_id,
            )
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        org = usr.org

    if not usr:
        usr = org.new_user(name=username, email=email, type=CERT_CLIENT,
            auth_type=DUO_AUTH, groups=list(groups) if groups else None)
        usr.audit_event('user_created', 'User created with single sign-on',
            remote_addr=utils.get_remote_addr())

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if usr.disabled:
            return flask.abort(403)

        if groups and groups - set(usr.groups or []):
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != DUO_AUTH:
            usr.auth_type = DUO_AUTH
            usr.commit('auth_type')
            event.Event(type=USERS_UPDATED, resource_id=org.id)

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event('user_profile',
        'User profile viewed from single sign-on',
        remote_addr=utils.get_remote_addr(),
    )

    return utils.get_url_root() + key_link['view_url']
Esempio n. 7
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def sso_yubico_post():
    sso_mode = settings.app.sso
    token = utils.filter_str(flask.request.json.get('token')) or None
    key = utils.filter_str(flask.request.json.get('key')) or None

    if sso_mode not in (GOOGLE_YUBICO_AUTH, SLACK_YUBICO_AUTH,
            SAML_YUBICO_AUTH, SAML_OKTA_YUBICO_AUTH,
            SAML_ONELOGIN_YUBICO_AUTH):
        return flask.abort(404)

    if not token or not key:
        return utils.jsonify({
            'error': TOKEN_INVALID,
            'error_msg': TOKEN_INVALID_MSG,
        }, 401)

    tokens_collection = mongo.get_collection('sso_tokens')
    doc = tokens_collection.find_one({
        '_id': token,
    })
    if not doc or doc['_id'] != token or doc['type'] != YUBICO_AUTH:
        return utils.jsonify({
            'error': TOKEN_INVALID,
            'error_msg': TOKEN_INVALID_MSG,
        }, 401)

    username = doc['username']
    email = doc['email']
    org_id = doc['org_id']
    groups = doc['groups']

    valid, yubico_id = sso.auth_yubico(key)
    if not valid:
        return utils.jsonify({
            'error': YUBIKEY_INVALID,
            'error_msg': YUBIKEY_INVALID_MSG,
        }, 401)

    usr = user.find_user_auth(name=username, auth_type=sso_mode)
    if not usr:
        org = organization.get_by_id(org_id)
        if not org:
            return flask.abort(405)

        usr = org.find_user(name=username)
    else:
        org = usr.org

    if not usr:
        usr = org.new_user(name=username, email=email, type=CERT_CLIENT,
            auth_type=sso_mode, yubico_id=yubico_id,
            groups=list(groups) if groups else None)
        usr.audit_event('user_created', 'User created with single sign-on',
            remote_addr=utils.get_remote_addr())

        event.Event(type=ORGS_UPDATED)
        event.Event(type=USERS_UPDATED, resource_id=org.id)
        event.Event(type=SERVERS_UPDATED)
    else:
        if yubico_id != usr.yubico_id:
            return utils.jsonify({
                'error': YUBIKEY_INVALID,
                'error_msg': YUBIKEY_INVALID_MSG,
            }, 401)

        if usr.disabled:
            return flask.abort(403)

        if groups and groups - set(usr.groups or []):
            usr.groups = list(set(usr.groups or []) | groups)
            usr.commit('groups')

        if usr.auth_type != sso_mode:
            usr.auth_type = sso_mode
            usr.commit('auth_type')

    key_link = org.create_user_key_link(usr.id, one_time=True)

    usr.audit_event('user_profile',
        'User profile viewed from single sign-on',
        remote_addr=utils.get_remote_addr(),
    )

    return utils.jsonify({
        'redirect': utils.get_url_root() + key_link['view_url'],
    }, 200)